fcu ec fan wr4 strategy data sheet - energy controls online · 2015. 6. 15. · fcu ec fan wr4 fcu...
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Data Sheet
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20-May-2011 1
Fan Coil Unit - EC Fan - Waterside 4 Pipe and 2 raise/lower (floating point) valves. The IQeco standard strategy controls a fan coil unit’s heat/cool outputs, and electronically commutated fan, in response to a thermistor temperature sensor with a local setpoint knob and a local switch input (window contact, pushbutton, or Passive Infra Red movement detector input). The WR4 strategy is for waterside 4 pipe units controlling 2 raise/lower (floating point) valve actuators. The strategy is designed to work with TB/TS Trend Thermistor Room Sensors. The strategy supports the fitting of a WMB Room Display module without further configuration. The strategy is designed for use with an IQeco31 and is part of the Plus library. Order code: IQE31/[y]/BAC/ECFANWR4P/[p] where [y] is unit type F = fixed, P = programmable and [p] is the voltage option. The strategy will also fit IQeco35 and IQeco38 and can be field downloaded to suitable controllers using SET and the standard solutions. Inputs
The following real sensors and digital inputs are connected to the input channels and their values can be monitored by text comms (including IC Comms): Real Sensors IN 1: "Local Discharge Air Temp" (S21), the thermistor temperature sensor for the discharge air. IN 2: "Local Space Temperature" (S22), the thermistor temperature sensor for the space. IN 3: "Local Setpoint Adjust" (S23), the local setpoint adjustment potentiometer (scaled in the range -0.5 to +0.5). This generates a setpoint trim in the range -1°C to +1°C or -1°F to +1°F when the knob ‘Offset Range’ (K3) value is set to 2. Real Digital Inputs IN 4: "Window Pushbutton PIR" (I24) this input can be either a window contact which opens, or a pushbutton, or PIR (passive infra red occupation detector) which closes when the occupation override is required. The type of input is defined by switches ‘Window Mode 1=Enabled’ (W41) and ‘0=Pushbutton 1=PIR’ (W42). Outputs
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20 May 2011 2
OUT 1: "Occupation Relay" (D1), this output is used to switch power to the fan controller. OUT 5,6: "Heating Valve" (D5), these outputs are connected to a raise/lower (floating point) actuator to raise (open) and lower (close) respectively. OUT 7,8: "Cooling Valve" (D7), these outputs are connected to a raise/lower (floating point) actuator to raise (open) and lower (close) respectively. OUT 9: "EC Fan" (D9), this is connected to the speed input on the EC fan controller. Default Operation The behaviour of the strategy before any configuration of knobs as switches is as follows: The default occupancy state of the strategy is unoccupied. In most cases when the controller is powered on the fan outputs will not operate as the space temperature used for control will be within the deadband for the unoccupied state. There are 3 ways to take the strategy out of the unoccupied state: 1. Set Knob "Remote Occupancy" (K11) to 0. 2. Using a pushbutton connected to IN4. Press the pushbutton once; this should place the unit into bypass. The bypass state is active until another press of the pushbutton or timeouts after 30 minutes. 3. Use the service button to put the unit into occupied. Details are in "Service Button - Occupancy" section of the strategy datasheet. The fan output may not be operating for the following reasons: a. The fan anti cycling strategy is active. Once switched off the fan will not start for 5 minutes. b. Changes to the knobs and switches from the defaults are overriding the fan control. c. The occupancy state is unoccupied. Knobs Switches <21 The following knobs and switches are grouped by the role they are intended to play within the strategy. They can be monitored and changed by text comms (including IC Comms). Some can be monitored using display and directory modules (e.g. using IQView): Modules Role 1-10 Adjustments - Items the users may want to change. 11-20 Remote Control - Items that are expected to receive IC Comms e.g. frost protection. 21-30 Overrides - Items that enable control to be overridden e.g. heating override. 31-40 Settings - Items that should be set up during commissioning. 41-50 Options - Items that select an option or behaviour e.g. serial parallel fan. 51-60 Energy - Items related to energy. Adjustments K1 ‘Pushbutton PIR Timeout’, this knob defines the time in minutes for which the activation of the pushbutton/PIR input overrides the unit into the occupied state. The default value is 30 minutes. K2 ‘Setpoint Adjust Timeout’, this knob defines the time in minutes for which any setpoint trim will be applied to the setpoint. The default value is 30 minutes. K3 ‘Offset Range’, this knob is used to define the range of ‘Local Setpoint Adjust‘ (S23). The ‘Local Setpoint Adjust‘ (S23) is scaled to give a range of -0.5 to +0.5; this is multiplied by the ‘Offset Range’ to give the setpoint trim which is applied to the ‘Remote Setpoint’(K14) to produce the ‘Setpoint’ (S3). The default value is 2°C or 2°F producing a value between -1°C to +1°C or -1°F to +1°F. K4 ‘OCC Deadband’, this knob defines the difference between the heating and cooling setpoints during occupation. The default value is 1°C or 2°F. K5 ‘NOCC Deadband’, this knob defines the difference between the heating and cooling setpoints during non-occupation. The default value is 12°C or 22°F. K6 ‘Standby Deadband’, this knob defines the difference between the heating and cooling setpoints during standby. The default value is 2°C or 4°F. K7 ‘Heating Setpoint’, this knob defines the heating setpoint when separate setpoints are selected using switch ‘HeatCool Setpoint 1=Separate’ (W36). The default value is 19.5°C or 67°F. K8 ‘Cooling Setpoint’, this knob defines the cooling setpoint when separate setpoints are selected using switch ‘HeatCool Setpoint 1=Separate’ (W36). The default value is 20.5°C or 69°F. W1 ‘Unit Bypass Request 1=Active’, this switch is set to ON if the unit is in bypass and can be used to put the unit into or out of bypass. The default state is OFF.
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20-May-2011 3
Remote Control K11 ‘Remote Occupancy’, this knob defines unit’s occupancy state: 0(Occupied), 1(Unoccupied), 2(Bypass), 3(Standby). It can be overridden into bypass (equivalent to Occupied within the unit) from any occupation state by the pushbutton or from standby by the PIR. The state is overridden to unoccupied by the switch ‘Remote Shutdown 1=Shutdown’ (W11) or the window contact (IN24). The definition of the occupancy states are detailed below under Occupancy States. The default value is 1(Unoccupied). K12 ‘Remote Space Temperature‘, this knob is used instead of input ‘Local Space Temperature’ (S22) when the input has an out of limits or read alarm. It can also be used by setting switch ‘Temperature Select 1=Remote’ (W34) to ON. The default value is 20°C or 68°F. K13 ‘Remote Setpoint Offset‘, this knob is used instead of input ‘Local Setpoint Adjust’ (S23) to provide the setpoint trim. It is added to the ‘Remote Setpoint’ (K14) when the input (S23) has an out of limits or read alarm. It can also be used by setting switch ‘SP Offset Select 1=Remote’ (W35). The default value is 0°C or 0°F. K14 ‘Remote Setpoint‘, this knob is combined with the setpoint trim to provide the ‘Setpoint’ (S3). The default value is 20°C or 68°F. K15 ‘Remote Fan Speed‘, this knob is used to set the fan speed in the range of range: 0 (off), 1 (low), 2 (medium), 3 (high), or 4(auto). To ensure that the 'Remote Fan Speed' value is used when sensor ‘Local Fan Speed’ (S27) is fitted the switch 'Fan Speed Select 1=Remote' (W39) must set to ON. The fan will be switched off during non-occupation unless there is heating demand (fabric protection) which selects low fan speed. The default value is 4(auto). K17 ‘Heating Flow Temperature’, this knob sets the temperature used to calculate the energy consumption of the unit when in heating mode. The default value is 80°C or 176°F. K18 ‘Cooling Flow Temperature’, this knob sets the temperature used to calculate the energy consumption of the unit when in cooling mode. The default value is 6°C or 43°F. W11 ‘Remote Shutdown 1=Shutdown’, this switch when set to ON forces the unit into the unoccupied state, disables cooling, only allows sub-zero heating, and disables fabric protection during non-occupation. The default state is OFF. W12 ‘Frost Condition 1=Frost’, this switch when set to ON forces the unit into a frost condition during non-occupation. During the frost condition the heating demand is fixed at 98%. The default state is OFF. Knobs Switches 21 - 40 Overrides K21 ‘Heating Override Value’, this knob sets the value used to drive the heating output when switch ‘Heating Override 1=Enabled’ (W21) is enabled. The default value is 0%. K22 ‘Cooling Override Value’, this knob sets the value used to drive the cooling output when switch ‘Cooling Override 1=Enabled’ (W22) is enabled. The default value is 0%. K28 ‘Fan Speed Override Value EC’, this knob sets the value used to drive the fan speed output when switch ‘Fan Override 1=Enabled’ (W27) is enabled. The analogue value 0 is OFF and 100 is full speed. The default value is 50. W21 ‘Heating Override 1=Enabled’, this switch when set to ON enables heating override and the heating valve output is set to the value on the knob ‘Heating Override Value’’ (K21). The default state is OFF. W22 ‘Cooling Override 1=Enabled’, this switch when set to ON enables cooling override and the cooling valve output is set to the value on the knob ‘Cooling Override Value’’ (K22). The default state is OFF. W27 ‘Fan Override 1=Enabled’, this switch when set to ON enables fan to be overridden and the fan outputs are set to the speed selected on the knob ‘Fan Speed Override Value EC’ (K28). The default value is OFF. W28 ‘Water Balance 1=Enabled’, this switch when set to ON forces all valve outputs to 100%. The default state is OFF. Settings K31 ‘Fan Anti Cycle Time’, this knob defines the time in minutes that the fan must be OFF before restarting to ensure maximum number of starts per hour is not exceeded. The default value is 5 minutes (maximum of 12 starts per hour). K39 ‘Minimum Fan Speed Setpoint’, this knob defines the minimum speed permitted by the EC fan. The default value is 37%. K40 ‘Maximum Fan Speed Setpoint’, this knob defines the maximum speed permitted by the EC fan. The default value is 70%. W31 ‘Service Button Mode 1=Enabled’, this switch when set to ON allows the service button to be used as an input into the strategy. The default state is ON. W32 ‘Overrides 0=Disabled 1=Enabled’, this switch when set to ON allows the strategy overrides to be used. The default state is ON. W34 ‘Temperature Select 1=Remote’, this switch when set to ON forces the strategy to use the value from knob ‘Remote Space Temperature‘ (K12) and not sensor ‘Local Space Temperature’ (S22). The default state is OFF. W35 ‘SP Offset Select 1=Remote’, this switch when set to ON forces the control to use the value from knob ‘Remote Setpoint Offset‘ (K13) and not sensor ‘Local Setpoint Adjust’ (S23). The default state is OFF. W36 ‘HeatCool Setpoint 1=Separate’, this switch when set to ON enables the control to use separate setpoints for heating and cooling use knobs ‘Heating Setpoint’ (K7) and ‘Cooling Setpoint’ (K8). The default state is OFF. W37 ‘Pushbutton TETS KO 1=Fitted’, this switch when set to ON allows the control to utilise the override pushbutton operation of the TB/TS/KO range of thermistor room temperature sensors. The default state is OFF. W39 ‘Fan Speed Select 1=Remote’, this switch when set to ON forces the strategy to use the value from knob ‘Remote Fan Speed‘ (K15) and not sensor ‘Local Fan Speed’ (S27). The default state is OFF. Knobs Switches >41 Options W41 ‘Window Mode 1=Enabled’, this switch when set to ON forces the control to treat the digital input ‘Window Pushbutton PIR’ (I24) as a window contact. W42 ‘0=Pushbutton 1=PIR ‘, this switch is only used when switch ‘Window Mode 1=Enabled’ (W41) is set to OFF. Then the switch when set to ON treats the digital input ‘Window Pushbutton PIR’ (I24) as a passive infrared detector and when set to OFF treats the input as a pushbutton. The default state is OFF. W45 ‘Fan Off at Setpoint 1=Enabled’, this switch when set to ON will disable the fan when the unit is at setpoint and there is no heating or cooling demand. The default state is OFF. Energy
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20 May 2011 4
K51 ‘ECO Mode Deadband Increase’, this knob defines the value that will be added to the existing deadbands when switch ‘Operating Mode 0=Comfort 1=ECO’ (W51) is set to ON. The default value is 4°C or 7°F. K52 ‘Power Conversion Factor’, this knob defines the scaling factor that will be multiplied with the heat meter module output to produce kW. 1kW = 0.948608 Btu/s. The default value is 1 when using kW and 0.948608 when using Btu/s. W51 ‘Operating Mode 0=Comfort 1=ECO’, this switch when set to ON enables the control to operate in eco mode and increase the deadband by the value on knob ‘ECO Mode Deadband Increase’ (K51). The default state is OFF. W52 ‘Energy Meter 1=Reset’, this switch when set to ON will reset the energy meter. Once set the control automatically resets the switch to OFF. The default state is OFF. Window PushbuttonPIR Operation The external digital Input ‘Window Pushbutton PIR’ can be used as either a window contact, PIR or Override Pushbutton and its type configured by Switches ‘0=Pushbutton 1=PIR’ and ‘Window Mode 1=Enabled’’. In window mode (Switch ‘Window Mode 1=Enabled’ set to ON) the Input ‘Window Pushbutton PIR’ is configured to be a window contact. When the window contact is open the control will override the unit into Unoccupied. In pushbutton mode (Switch ‘0=Pushbutton 1=PIR’ set to OFF) the Input ‘Window Pushbutton PIR’ forces the unit into Bypass from any state for the time set ON Knob ‘Pushbutton PIR Timeout’. In PIR mode (Switch ‘0=Pushbutton 1=PIR’ set to ON) the Input ‘Window Pushbutton PIR’ will override the unit from Occupied or Standby into Bypass for at least the time set ON Knob ‘Pushbutton PIR Timeout’. Within the unit, the Bypass condition is treated the same as Occupied so that although Sensor ‘Occupancy’ shows separate Occupied and Bypass states, if Bypass is set then Inputs ‘Unit In Bypass’ and ‘Unit Occupied’ will both be set to ON. The Switch ‘Unit Bypass Request 1=Active’ can be used to stop or start the bypass condition. When Switch ‘Pushbutton TETS KO 1=Fitted’ is set to ON the external Sensor ‘Local Setpoint Adjust’ out of limits alarm is used to as the input for PIR or pushbutton override. Technical Description A single external digital Input ‘Window Pushbutton PIR’ is used as a window contact, PIR or Override Pushbutton to create a ‘PB PIR override active’ and ‘Unit interrupt’ digital signals. When used as a PIR or Pushbutton the input is only processed by the strategy at the rate of the counter module reschedule time. This is to ensure that only one press of the button is reacted to by the strategy. The strategy also supports the use of a TE/TS/KO for the override pushbutton using external Sensor ‘Local Setpoint Adjust’ and Switch ‘Pushbutton TETS KO 1=Fitted’. Commissioning Details 1. Configure strategy for the type of Input connected to Input ‘Window Pushbutton PIR’ using Switches ‘Window Mode 1=Enabled’ and ‘0=Pushbutton 1=PIR’. 2. If override is provided by TB/TS/KO set Switch ‘Pushbutton TETS KO 1=Fitted’ to 1. 3. Set the time of Knob ‘Pushbutton PIR Timeout’ for the length of the bypass period required. Tip. Input ‘Window Pushbutton PIR’ can be configured as a status monitoring input e.g. filter dirty by changing the E parameter on function module ‘Input active’ to 100 and setting Switch ‘Window Mode 1=Enabled’ to 0. Remember to change the label on the input to indicate its function. Occupancy State The unit operates in either Occupied, Unoccupied, Bypass, and Standby modes as determined by the ‘Remote Occupancy’ setting. Occupied: The unit is on for normal operation and controls to a user defined setpoint. Unoccupied: The unit is off, no fan, heating or cooling. The PIR has no effect although the override pushbutton will override the unit into bypass. Bypass: The unit has been put into occupation by the override pushbutton or the PIR (occupancy sensor). Standby: The unit is activated to reduce its energy consumption. In this mode either the override pushbutton or the PIR will put the unit back into occupied. Within the unit the Bypass condition is treated the same as Occupied but both inputs ‘Unit In Bypass’ and ‘Unit Occupied’ will be set to ON. When Switch ‘Remote Shutdown 1=Shutdown’ is set to ON it will override the unit into unoccupied. The same behaviour occurs if the unit is in window mode (Switch ‘Window Mode 1=Enabled’ set to ON) and the window contact on Input ‘Window Pushbutton PIR’ is not closed. Technical Description A single external digital Input ‘Window Pushbutton PIR’ is used as either a window contact, PIR or Override Pushbutton. The required occupancy states are decoded to digital signals. 0 = Occupied, 1 = Unoccupied, 2 = Bypass, 3 = Standby. The unit can also be put in to occupancy using the service pin. Discharge and Space Temp Technical Description With external sensor ‘Local Discharge Air Temp’ fitted the sensor value is gated through to internal sensors ‘Discharge Air Temperature’. The internal sensor 'Space Temperature' will use the value of either the external sensor 'Room Display Space Temp', when a Room Display module is fitted, or the value from external sensor ‘Local Space Temperature’, if fitted. If the external
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20-May-2011 5
sensor has a ‘Read’ or ‘Out of limit’ alarm the value of input F on the respective gate module will be displayed on the internal sensor. Setting switch ‘Temperature Select 1=Remote’ to 1 forces the internal sensor ‘Space Temperature’ to use the value on input F of the gate module ‘Actual space temperature’. Heating Cooling Setpoints The heating and cooling setpoints can be configured to be separately adjusted or calculated. The selected setpoints have half the current deadband applied as defined by the occupation state. The value of the deadband is increased when not in occupation. The setpoint can also have an offset (trim) adjustment made locally, that will increase or decrease the required setpoint. Eco Features Local offset adjustment is valid for an adjustable time after which it is ignored until a change of the offset value is detected. The size of the deadband is increased when the unit is in ECO mode. Technical Description The setpoint is calculated from Knob ‘Remote Setpoint’ unless Switch ‘HeatCool Setpoint 1=Separate’ is set to 1 when Function ‘Selected heat setpoint’ and Function ‘Selected cool setpoint’ use Knobs ‘Heating Setpoint’ and ‘Cooling Setpoint’ respectively for they values. The ‘Heat setpoint’ is calculated by subtracting half the deadband, selected by the mode of occupation, from the value on Function ‘Selected heat setpoint’ and adding any value on Function ‘Setpoint offset’. The ‘Cool setpoint’ is calculated by adding half the deadband, selected by the mode of occupation, to the value on Function ‘Selected cool setpoint’ and adding any value on Function ‘Setpoint offset’. The ‘Heat setpoint’ and ‘Cool setpoint’ are each halved and combined to provide the ‘Setpoint’. The normal operation of ‘Setpoint offset’ with the external Sensor ‘Local Setpoint Adjust’ fitted is for the sensor value to be gated through Function ‘Selected setpoint offset’ and the value of Knob ‘Offset Range’ to be gated through Function ‘Selected offset range’. If the sensor has a ‘Read’ or ‘Out of limit’ alarm or Switch ‘SP Offset Select 1=Remote’ is set to 1 the strategy gates through the value of Knob ‘Remote Setpoint Offset’ on Function ‘Selected setpoint offset’ and a value of 1 through Function ‘Selected offset range’. If a Room Display module is fitted the strategy will automatically use the value on Knob 'Room Display Setpoint' to calculate any change in setpoint and feed this through as the offset value. Any change in the offset value is detected by the strategy and will start Logic timer ‘Adjustment active’. The offset value on Function ‘Selected setpoint offset’ is gated through Function ‘Active setpoint offset’ it is then scaled using the value on Function ‘Selected offset range’. Function ‘Setpoint offset’ value is added to the ‘Minimum setpoint’ and ‘Maximum setpoint’ to provide the ‘Heat setpoint’ and ‘Cool setpoint’ respectively and is set to 0 after the time set on Knob ‘Setpoint Adjust Timeout’ has expired. Heating Cooling Demands Heating and cooling demands are calculated by comparing the space temperature with the relevant setpoint. If the space temperature is below the heating setpoint a heating demand is created and if the space temperature is above the cooling setpoint a cooling demand is generated, the greater the different the larger the demand. To prevent hunting of the heating and cooling demands a deadband is employed to ensure a change equal to half the deadband is detected before a demand is generated or removed. When the heating or cooling demand reaches 100% the speed of the fan is increased. When a frost condition exists and the unit state is unoccupied the heating is enabled. Technical Description Both heating and cooling sides are controlled by different control loops. Heating and cooling loops are enabled whenever ‘Unit interrupt’ and 'Fan control off selected' are set to 0. The heating loop compares the "Actual space temperature" with the "Heating setpoint". The proportional + integral (P+I) loop will modulate the heating output to maintain a constant space temperature. As the temperature decreases below the heating setpoint the heating output will modulate open. The heating output will be modulated closed as the temperature increases above the heating setpoint. The loop output is limited to the range 0 to 100%. The cooling loop compares the "Actual space temperature" with the "Cooling setpoint". The proportional + integral (P+I) loop will modulate the cooling output to maintain a constant space temperature. As the temperature increases above the cooling setpoint the cooling output will be modulated open. The cooling output will be modulated closed as the temperature decreases below the cooling setpoint. The loop output is limited to the range 0 to 100%.
The integral time constant is the time for which the loop output will have added to it an amount equal to product of the error and the gain (i.e. equal to the proportional part) under conditions of constant error. If the error stays the same for the integral time constant, the loop output will double and will be 2G(E). The loops have the following default settings: heat loop gain = 20, cool loop gain = -20, both loop integral time constants = 10 minutes. These settings can be changed by text comms.
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20 May 2011 6
The output from the loops (ignoring the integral action) is illustrated by the chart below:
The heating loop will not operate until the ‘Actual space temperature’ drops below the ‘Heating setpoint’ by half the deadband e.g. Setpoint 20°C (70°F) deadband 1° = 20-0.5 = 19.5°C (70-0.5 = 69.5°F) during occupation. Similarly for cooling it must rise above the ‘Cooling setpoint’ by half the deadband. The loop gains are set to ±20 by default which gives proportional bands of 5°C (°F) i.e. 100/20. When set to defaults, during occupation, this will give 100% heat and maximum fan speed at 12.5°C (64.5°F), and 100% cool and maximum fan speed at 25.5°C (75.5°F) ignoring the effect of the integral term. The loop outputs are added together and then split into separate heating and cooling outputs to prevent simultaneous heating and cooling. The separate demands are rescaled so the demand 0 to 50% drives the relevant valve output between 0 and 100% and the demand 50 to 100% increases the fan speed. When the heating or cooling demand is greater than 4.5% a respective ‘Heating required’ or ‘Cooling required’ signal will be set to 1. The ‘Heating required’ or ‘Cooling required’ signals are reset to 0 when the respective demand falls below 0.5%. The heating loop is overridden to 98% if the "Frost Condition 1=Frost" is set to 1 and "Unit - unoccupied" is set to 1. This will bring on the heating. Heating Cooling Valves The heating demand drives the heating valve. A demand of 100% opens the valve fully and a demand of 0% closes the valve. The cooling demand drives the cooling valve. A demand of 100% opens the valve fully and a demand of 0% closes the valve. Both the heating and cooling valves are fully opened when Switch ‘Water Balance 1=Enabled’ is ON. Technical Description The heating valve can be overridden, providing Switch 'Overrides 0=Disabled 1=Enabled' is set to 1, by setting switch ‘Heating Override 1=Enabled’ to 1 and adjusting Knob ‘Heating Override Value’ to the required value between 100 and 0. The cooling valve can be overridden, providing Switch 'Overrides 0=Disabled 1=Enabled' is set to 1, by setting switch ‘Cooling Override 1=Enabled’ to 1 and adjusting Knob ‘Cooling Override Value’ to the required value between 100 and 0. Overrides are ignored and the valves are fully opened when Switch ‘Water Balance 1=Enabled’ is 1. Commissioning Details 1. The heating valve drive time should be set to match the fitted actuator. 2. The cooling valve drive time should be set to match the fitted actuator. Fan Control - Variable Speed The fan is ON when the occupation state is occupied; bypass or standby and is OFF when unoccupied. The required speed of the fan is displayed on the sensor ‘Selected Fan Speed’ where 0 = OFF, 1 = Low, 2 = Medium, 3 = High and 4 = Auto. Low speed is the value set on knob 'Minimum Fan Speed Setpoint' and High speed is the values set on knob 'Maximum Fan Speed Setpoint'. Medium speed is the mid value between these two setpoints. If the ‘Selected Fan Speed’ is Auto, the fan will normally run at low speed, but as the fan demand increases, as a result of an increase in the heating or cooling demand, the fan speed will be increased to meet the demand, similarly the fan speed will be reduced as demand is met. The actual fan speed is displayed on the sensor ‘Actual EC Fan Speed’ and is a factor of 10 smaller than the demand i.e. Low = 'Minimum Fan Speed Setpoint' = 37 will display as 3.7. The fan has an anti cycling timer to protect it from excessive restarts. Eco Features The fan can be set to switch OFF whenever the unit is at setpoint i.e. no heating or cooling demand by setting Switch ‘Fan Off at Setpoint 1=Enabled’ to ON. The fan will restart when a heating or cooling demand exists. This is only applicable when the sensor ‘Selected Fan Speed’ is set to Auto (a value of 4). Technical Description
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20-May-2011 7
The fan is enabled when the occupation state is occupied, bypass or standby and the unit interrupt signal is 0. The driver 'Occupation Relay' is enabled during occupation, time delayed based on the controller address, and is intended to be used to enable the fan controller. Automatic control is achieved by rescaling the fan demand set between the ‘Minimum Fan Speed Setpoint’ to the ‘Maximum Fan Speed Setpoint’. When the required to switch off the ‘Minimum Fan Speed Setpoint’ value is replaced with 0. The fan control can only be overridden when Logic ‘Unit - unoccupied’ is 0 by either Knob ‘Remote Fan Speed’ or the WMB Room Display module. The strategy selects the correct control depending on which items are present using the WMB Room Display module ‘I/O2 Failed status’ bit. The Knob ‘Remote Fan Speed’ is used when its value is less than 4 or when Switch ‘Fan Speed Select 1=Remote’ is set to 1. When used the knob has precedence over the external WMB Room Display module. The WMB Room Display module if fitted uses Knob ‘Room Display Fan Speed’ to display and adjust the speed. The fan control has an anti cycling timer that delays the time to restart after the fan stops thus preventing unwanted cycling of the fan. When electric heaters are included in the control the fan will run when Logic ‘Electric heat run on required’ is 1. The fan control can be overridden, providing Switch 'Overrides 0=Disabled 1=Enabled' is set to 1, by setting Switch ‘Fan Override 1=Enabled’ to 1 and adjusting Knob ‘Fan Speed Override Value EC’ to the required value. The anti cycle timer still operates under these circumstances. Commissioning Details 1. Set the ‘Minimum Fan Speed Setpoint’ 2. Set the ‘Maximum Fan Speed Setpoint’ 3. Confirm that Comparator 'Fan enabled' parameter E value is correctly set to indicate that the fan is enabled. 4. The Timer ‘Anti cycle active’ parameter F requires setting to ensure the minimum off time required for anti cycling the fan. 300 seconds = 5 minutes = 12 starts per hour. 5. The switch 'Fan Speed Select 1=Remote’ requires setting to 1 if the WMB Room Display is to be excluded from the control of the fan. Service Pin - Water balance Pressing the service button in a predefined sequence, when in service button mode, can initiate behaviour in the strategy to start and stop water balancing where all the valve outputs are set to 100% or 0% i.e. fully open or fully closed. The function is only available if Switch ‘Service Button Mode 1=Enabled’ is set to ON. For a full description of service pin mode refer to the Trend publication TE201089 IQeco Configuration Manual Issue 2 or greater. The service button press sequence for the required behaviour is as follows; Required Action Phase 1 Phase 2 Phase 3 Water Balance On for the Lan No Press No Press No Press Water Balance Off for the Lan Press No Press No Press Water Balance On for the Unit No Press Press No Press Water Balance Off for the Unit Press Press No Press Technical Description The service button can be used to initiate behaviour designed in the strategy; to achieve this behaviour the controller must be put into service button mode. Service button mode has 5 stages Entry, Phase 1, Phase 2, Phase 3 and Exit. Entry - Press and hold the service button for 2 to 5 seconds. When the service button is released a rapidly flashing comms LED (green) for one second indicates entry into ‘service button mode’. When the flashing stops this indicates the start of Phase 1. Phase 1 - This stage lasts 3 seconds and during this time if the service button is not pressed it will mean that a ON condition is required. If it is pressed then an OFF condition is required. At the end of this stage the comms LED (green) will flash once to confirm no press and twice to confirm a press. The end of the flashing indicates the start of phase 2. Phase 2 - This stage lasts 3 seconds and during this time if the service button is not pressed it will mean that the selection in Phase 1 should be applied to the LAN and if it is pressed then it will be applied to the UNIT. At the end of this stage the comms LED (green) will flash once to confirm no press and twice to confirm a press. The end of the flashing indicates the start of phase 3. Phase 3 - This stage lasts 3 seconds and during this time if the service button is not pressed it will mean that a Water Balance selection is required and if it is pressed then it will indicate that an Occupancy selection is required. At the end of this stage the comms LED (green) will flash once to confirm no press and twice to confirm a press. The end of the flashing indicates the start of the Exit stage. Exit - This stage lasts for 3 seconds and starts with a rapidly flashing comms LED (green). During this stage if the service button is not pressed then the service button mode will expire without any further action. The service button must be pressed to confirm the selections made in phases 1, 2 and 3. Once pressed the LED will go out for the remainder of the stage and the virtual input channel selected by the choices made during phases 1, 2 and 3 will go ON for one pass of the sequence table. The virtual input channel is allocated to a Digital Input module to make it available to be used by the strategy. At the end of this stage the service button mode will be automatically exited and the LED and service button return to their normal operation. Service Button - Occupancy
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20 May 2011 8
Pressing the service button in a predefined sequence, when in service button mode, can initiate behaviour in the strategy to change the occupancy state to occupied or unoccupied. The function is only available if Switch ‘Service Button Mode 1=Enabled’ is set to ON. For a full description of service pin mode refer to the Trend publication TE201089 IQeco Configuration Manual Issue 2 or greater. The service button press sequence for the required behaviour is as follows; Required Action Phase 1 Phase 2 Phase 3 Occupied for the Lan No Press No Press Press Unoccupied for the Lan Press No Press Press Occupied for the Unit No Press Press Press Unoccupied for the Unit Press Press Press Technical Description The service button can be used to initiate behaviour designed in the strategy; to achieve this behaviour the controller must be put into service button mode. Service button mode has 5 stages Entry, Phase 1, Phase 2, Phase 3 and Exit. Entry - Press and hold the service button for 2 to 5 seconds. When the service button is released a rapidly flashing comms LED (green) for one second indicates entry into ‘service button mode’. When the flashing stops this indicates the start of Phase 1. Phase 1 - This stage lasts 3 seconds and during this time if the service button is not pressed it will mean that an ON condition is required. If it is pressed then an OFF condition is required. At the end of this stage the comms LED (green) will flash once to confirm no press and twice to confirm a press. The end of the flashing indicates the start of phase 2. Phase 2 - This stage lasts 3 seconds and during this time if the service button is not pressed it will mean that the selection in Phase 1 should be applied to the LAN and if it is pressed then it will be applied to the UNIT. At the end of this stage the comms LED (green) will flash once to confirm no press and twice to confirm a press. The end of the flashing indicates the start of phase 3. Phase 3 - This stage lasts 3 seconds and during this time if the service button is not pressed it will mean that a Water Balance selection is required and if it is pressed then it will indicate that an Occupancy selection is required. At the end of this stage the comms LED (green) will flash once to confirm no press and twice to confirm a press. The end of the flashing indicates the start of the Exit stage. Exit - This stage lasts for 3 seconds and starts with a rapidly flashing comms LED (green). During this stage if the service button is not pressed then the service button mode will expire without any further action. The service button must be pressed to confirm the selections made in phases 1, 2 and 3. Once pressed the LED will go out for the remainder of the stage and the virtual input channel selected by the choices made during phases 1, 2 and 3 will go ON for one pass of the sequence table. The virtual input channel is allocated to a Digital Input module to make it available to be used by the strategy. At the end of this stage the service button mode will be automatically exited and the LED and service button return to their normal operation. Virtual Energy Meter An estimation of the unit’s energy consumption is calculated by the controller and can be viewed on Sensor ‘Unit Energy Meter’. The consumption is measured over a 30 minute period starting from 0 and increasing until the end of the period when the value is stored in the controller. The controller stores the last 200 values and these can be viewed from suitable displays or supervisory software e.g. IQView and 963. The calculation totals the estimated energy used by the heat exchangers and the energy consumed by the fan and by the loads switched by the relay output. The accuracy of the calculation depends on the values configured in the controller however the default values supplied provide for a like for like comparison between similar units. Technical Description The estimated calculations use the heat meter module for the power being provided by the heat exchangers. This power is then added to the power of the fan and using an integrator module the power consumed is calculated over the period of 15, 30 (default) or 60 minutes depending on the configuration of the strategy. Heat exchanger power estimation formula. Heating Power = (Heating medium temperature - Space temperature) * Coil duty * Valve position / 100 Power kW (D) = (Water Supply Temp DegC (E) - Space Temp DegC (F)) * Coil Duty kW/degK (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I) Power Btu/s (D) = (Water Supply Temp DegF (F) - Space Temp DegF (E)) * Coil Duty Btu/sDegF (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I) Cooling Power = (Space temperature - Cooling medium temperature) * Coil duty * Valve position / 100 Power kW (D) = (Space Temp (E) - Water Supply Temp (F)) * Coil Duty kW/degK (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I) Power Btu/s (D) = (Space Temp DegF (E) - Water Supply Temp DegF (F)) * Coil Duty Btu/sDegF (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I) To improve the accuracy of the estimation the following parameters should be configured with the correct value for the unit: Function module Parameter Units ‘Heating coil duty max speed’ F kW/degK (Btu/sDegF) ‘Cooling coil duty max speed’ F kW/degK (Btu/sDegF) ‘Fan duty max speed’ F kW ‘Occupation relay duty’ F kW The output 'Occupation Relay' is intended to be the relay that switches the power to the EC fan controller and the value of ‘Occupation relay duty’ is the duty when the fan controller is energised. The values calculated are linear and therefore are only an estimate.
FCU EC Fan WR4
FCU EC Fan WR4 Strategy Data Sheet TA201212 Issue 1, 20-May-2011 9
The period the integrator uses for the calculation can be changed by amending the arguments in parameter K on Logic module ‘Meter reset’: F = 15 minutes, G = 30 minutes and H = 60 minutes. If the Logic is changed then the period parameter P on plot module ‘Unit Energy Meter’ should also be changed to match: 1 = 15 minutes, 7 = 30 minutes and 0 = 60 minutes. Useful conversions: 1 kW = 0.948608 Btu/s 1 hp = 0.7074163 Btu/s 1 Btu/h/3600 = 1 Btu/s Commissioning Details 1. Set the values of the duty for the coils. 2. Set the values of the duty for the fan. 3. Set the value of the duty for the occupation relay. 4. Confirm the water flow temperatures are received from the main plant. IC Comms and Alarm Group Technical Description The IC Comms are configured for master slave operation directed to standard knobs and switches one or all of the following: Space Temperature, Setpoint, Occupancy and Fan Speed. The IC Comms modules use attribute 3 and to prohibit unwanted communications are, by default, disabled. One alarm group route and destination modules are configured to send Trend text alarms to address 1 on the local lan, this would normally be the IQ3/BINC VCNC port 10001. To prohibit unwanted alarms the route, by default, is disabled. Analogue node 99 is provided so a value can be placed in it to indicate the state of the unit during commissioning and witnessing. Digital Input 'Strategy Override 1=Active' when 1 indicates that one of the outputs is being overridden by the strategy and not in normal control. Commissioning Details 1. For master slave configuration configure attribute 3 and enabled IC Comms if master unit. 2. If alarms are required configure alarm destination address and enable alarm route.
FCU EC Fan WR4
Please send any comments about this or any other Trend technical publication to techpubs@trendcontrols.com © 2011 Honeywell Technologies Sàrl, ECC Division. All rights reserved. Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Z.A. La Pièce, 16, 1180 Rolle, Switzerland by its Authorized Representative, Trend Control Systems Limited.
Trend Control Systems Limited reserves the right to revise this publication from time to time and make changes to the content hereof without obligation to notify any person of such revisions or changes.
Trend Control Systems Limited Albery House, Springfield Road, Horsham, West Sussex, RH12 2PQ, UK. Tel:+44 (0)1403 211888 Fax:+44 (0)1403 241608 www.trendcontrols.com
Trend Control Systems USA 6670 185th Avenue NE, Redmond, Washington 98052, USA. Tel: (425)897-3900, Fax: (425)869-8445 www.trendcontrols.com
Trend Control Systems LtdAlbery Hoiuse,
Springfield Road
Horsham, West Sussex.
RH12 2PQ
UK
Telephone: +44 1403 211888
Fax: +44 1403 240271
Email: ts@trendcontrols.com
0 1 Original Issue All 18 May 2011 DRR Review
Issue Revision Project Change Note / Comments Pages Affected Date Approved Approved ByAddress ModuleIdentifier
Attribute F
Attribute G
Alarm Lan 0
Alarm Address 0
Controller Version
Serial Number
Strategy Name FCU EC Fan WR4
Product Order Code
SiteGUID:
Project:
Client:
Details:
Drawn By:
Engineer:
Controller Type:
Project Number:
Outstation: Lan:
Date:
Page:
{32C49D2B-FF61-4FE1-8E0C-2EF6803771B5}
IQeco Standard Strategies
New Product Development
Fan Coil Unit with EC Fan Waterside 4 Pipes with 2 raise/lower (floating point) Valves.
Brian Kirkdale
Brian Kirkdale
IQeco 31
May2011_v2
015 019
19/05/2011
01 of 17
Notes
The IQeco standard strategy controls a fan coil unit’s heat/cool outputs, and electronically commutated fan,
The control responses to a thermistor temperature sensor with a local setpoint knob and a local window contact input and a pushbutton, or Passive Infra Red movement detector input.
The WR4 strategy is for waterside 4 pipe units controlling 2 raise/lower (floating point) valve actuators.
The strategy supports the fitting of a WMB Room display module without further configuration.
FCU EC Fan WR4
Strategy pages
Title Page 1Real Inputs 2Knobs Switches <21 3Knobs Switches 21 - 40 4Knobs Switches >41 5Window PushbuttonPIR Operation 6Occupancy State 7Discharge and Space Temp 8Heating Cooling Setpoints 9Heating Cooling Demands 10Heating Cooling Valves 11Fan Control - Variable Speed 12Fan Control - Variable page 2 13Service Pin - Water balance 14Service Button - Occupancy 15Virtual Energy Meter 16IC Comms and Alarm Group 17
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SET StrategyDesigned By:SET-019-015-02 Real Inputs
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Default Operation
The behaviour of the strategy before any configuration of knobs as switches is as follows:
The default occupancy state of the strategy is unoccupied.
In most cases when the controller is powered on the fan outputs will not operate as the space temperature used for control will be within the deadband for the unoccupied state.
There are 3 ways to take the strategy out of the unoccupied state:
1. Set Knob “Remote Occupancy” (K11) to 0.2. Using a pushbutton connected to IN4. Press the pushbutton once; this should place the unit into bypass. The bypass state is active until another press of the pushbutton or timouts after 30 minutes.3. Use the service button to put the unit into occupied. Details are in “Service Button - Occupancy” section of the strategy datasheet.
The fan output may not be operating for the following reasons:a. The fan anti cycling strategy is active. Once switched off the fan will not start for 5 minutes.b. Changes to the knobs and switches from the defaults are overriding the fan control.c. The occupancy state is unoccupied.
1Local Discharge Air Temp
S21
EXTERNAL
Vi0c1
DegC Units101 Type0 Offset50 High Alarm Limit-5 Low Alarm Limit600 High Alarm Delay600 Low Alarm Delay0 Out.Limits Delay0 Read Alarm DelayDisabled Read AlarmDisabled Out. Limits AlarmDisabled Low AlarmDisabled High Alarm
2Local Space Temperature
S22
EXTERNAL
Vi0c2
DegC Units101 Type0 Offset50 High Alarm Limit-5 Low Alarm Limit600 High Alarm Delay600 Low Alarm Delay0 Out.Limits Delay0 Read Alarm DelayDisabled Read AlarmDisabled Out. Limits AlarmDisabled Low AlarmDisabled High Alarm
3Local Setpoint Adjust
S23
EXTERNAL
Vi0c3
DegC Units102 Type0 Offset0.6 High Alarm Limit-0.6 Low Alarm Limit600 High Alarm Delay600 Low Alarm Delay0 Out.Limits Delay0 Read Alarm DelayDisabled Read AlarmDisabled Out. Limits AlarmDisabled Low AlarmDisabled High Alarm
Window Pushbutton PIR
I24
EXTERNAL
Sc4
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
10One shot switch reset
F1
COMPARATORD = 1 when F > E
E
FD
500
0
S21V
Local Discharge Air TempTo Page(s) 8,
S22V
Local Space TemperatureTo Page(s) 8,
S23V
Local Setpoint AdjustTo Page(s) 9,
I24S
Window Pushbutton PIRTo Page(s) 6,7,
F1D
One shot switch resetTo Page(s) 16,
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SET StrategyDesigned By:SET-019-015-03 Knobs Switches <21
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0 = Off1 = Low2 = Medium3 = High4 = Auto(1001-7)
Pushbutton PIR Timeout
K1KNOB
D30
min Units79 Pin Level1440 Top of Range0 Bottom of Range
Setpoint Adjust Timeout
K2KNOB
D60
min Units79 Pin Level1440 Top of Range0 Bottom of Range
Offset Range
K3KNOB
D2
DegC Units79 Pin Level10 Top of Range1 Bottom of Range
OCC Deadband
K4KNOB
D1
DegC Units60 Pin Level2 Top of Range0.5 Bottom of Range
NOCC Deadband
K5KNOB
D12
DegC Units60 Pin Level20 Top of Range8 Bottom of Range
Standby Deadband
K6KNOB
D2
DegC Units60 Pin Level3 Top of Range1 Bottom of Range
Heating Setpoint
K7KNOB
D19.5
DegC Units79 Pin Level24 Top of Range8 Bottom of Range
Cooling Setpoint
K8KNOB
D20.5
DegC Units79 Pin Level34 Top of Range18 Bottom of Range
Remote Space Temperature
K12KNOB
D20
DegC Units79 Pin Level30 Top of Range0 Bottom of Range
Remote Setpoint Offset
K13KNOB
D0
DegC Units79 Pin Level10 Top of Range-10 Bottom of Range
Remote Setpoint
K14KNOB
D20
DegC Units79 Pin Level24 Top of Range18 Bottom of Range
Heating Flow Temperature
K17KNOB
D80
DegC Units79 Pin Level0 Top of Range0 Bottom of Range
Cooling Flow Temperature
K18KNOB
D6
DegC Units79 Pin Level0 Top of Range0 Bottom of Range
Remote Shutdown 1=Shutdown
W11SWITCH
D0
79 Pin Level
Frost Condition 1=Frost
W12SWITCH
D0
79 Pin Level
Remote Fan Speed
K15KNOB
D4
enum Units79 Pin Level4 Top of Range0 Bottom of Range
K1D
Pushbutton PIR TimeoutTo Page(s) 6,
K2D
Setpoint Adjust TimeoutTo Page(s) 9,
K3D
Offset RangeTo Page(s) 9,
K5D
NOCC DeadbandTo Page(s) 9,
K6D
Standby DeadbandTo Page(s) 9,
K7D
Heating SetpointTo Page(s) 9,
K8D
Cooling SetpointTo Page(s) 9,
K12D
Remote Space TemperatureTo Page(s) 8,
K13D
Remote Setpoint OffsetTo Page(s) 9,
K14D
Remote SetpointTo Page(s) 9,
K17D
Heating Flow TemperatureTo Page(s) 16,
K18D
Cooling Flow TemperatureTo Page(s) 16,
W11D
Remote Shutdown 1=ShutdownTo Page(s) 7,
W12D
Frost Condition 1=FrostTo Page(s) 10,
K4D
OCC DeadbandTo Page(s) 9,
K15D
Remote Fan SpeedTo Page(s) 12,
W1D = 0Unit Bypass Request 1=Active
From Page 6W1D
Unit Bypass Request 1=ActiveTo Page(s) 3,
K11D = 1Remote Occupancy
From Page 7K11D
Remote OccupancyTo Page(s) 3,7,15,
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SET StrategyDesigned By:SET-019-015-04 Knobs Switches 21 - 40
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Heating Override Value
K21KNOB
D0
% Units60 Pin Level100 Top of Range0 Bottom of Range
Cooling Override Value
K22KNOB
D0
% Units60 Pin Level100 Top of Range0 Bottom of Range
Fan Anti Cycle Time
K31KNOB
D5
min Units79 Pin Level60 Top of Range0 Bottom of Range
Heating Override 1=Enabled
W21SWITCH
D0
60 Pin Level
Cooling Override 1=Enabled
W22SWITCH
D0
60 Pin Level
Temperature Select 1=Remote
W34SWITCH
D0
79 Pin Level
SP Offset Select 1=Remote
W35SWITCH
D0
79 Pin Level
HeatCool Setpoint 1=Separate
W36SWITCH
D0
79 Pin Level
Pushbutton TETS KO 1=Fitted
W37SWITCH
D0
79 Pin LevelFan Speed Override Value EC
K28KNOB
D50
% Units60 Pin Level100 Top of Range0 Bottom of Range
Minimum Fan Speed Setpoint
K39KNOB
D37
% Units79 Pin Level50 Top of Range0 Bottom of Range
Maximum Fan Speed Setpoint
K40KNOB
D70
% Units79 Pin Level100 Top of Range50 Bottom of Range
Fan Override 1=Enabled
W27SWITCH
D0
60 Pin Level
Service Button Mode 1=Enabled
W31SWITCH
D1
79 Pin Level
Fan Speed Select 1=Remote
W39SWITCH
D0
79 Pin Level
Overrides 0=Disabled 1=Enabled
W32SWITCH
D1
79 Pin Level
K21D
Heating Override ValueTo Page(s) 11,
K22D
Cooling Override ValueTo Page(s) 11,
K31D
Fan Anti Cycle TimeTo Page(s)
W21D
Heating Override 1=EnabledTo Page(s) 11,
W22D
Cooling Override 1=EnabledTo Page(s) 11,
W31D
Service Button Mode 1=EnabledTo Page(s) 14,15,
W34D
Temperature Select 1=RemoteTo Page(s) 8,
W35D
SP Offset Select 1=RemoteTo Page(s) 9,
W36D
HeatCool Setpoint 1=SeparateTo Page(s) 9,
W37D
Pushbutton TETS KO 1=FittedTo Page(s) 6,
K28D
Fan Speed Override Value ECTo Page(s) 13,
K39D
Minimum Fan Speed SetpointTo Page(s) 13,
K40D
Maximum Fan Speed SetpointTo Page(s) 13,
W27D
Fan Override 1=EnabledTo Page(s) 13,
W39D
Fan Speed Select 1=RemoteTo Page(s) 12,
W32D
Overrides 0=Disabled 1=EnabledTo Page(s) 11,13,
W28D
Water Balance 1=EnabledTo Page(s) 4,
W28D = 0Water Balance 1=Enabled
From Page 14
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SET StrategyDesigned By:SET-019-015-05 Knobs Switches >41
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ECO Mode Deadband Increase
K51KNOB
D4
DegC Units79 Pin Level6 Top of Range2 Bottom of Range
Operating Mode 0=Comfort 1=EC
W51SWITCH
D0
60 Pin Level
Window Mode 1=Enabled
W41SWITCH
D0
79 Pin Level
0=Pushbutton 1=PIR
W42SWITCH
D0
79 Pin Level
Fan Off at Setpoint 1=Enabled
W45SWITCH
D0
79 Pin Level
Power Conversion Factor
K52KNOB
D1
Units0 Pin Level0 Top of Range0 Bottom of Range
K51D
ECO Mode Deadband IncreaseTo Page(s) 9,
W51D
Operating Mode 0=Comfort 1=ECOTo Page(s) 9,
W41D
Window Mode 1=EnabledTo Page(s) 6,7,
W42D
0=Pushbutton 1=PIRTo Page(s) 6,
W45D
Fan Off at Setpoint 1=EnabledTo Page(s) 13,
K52D
Power Conversion FactorTo Page(s) 16,
W52D
Energy Meter 1=ResetTo Page(s) 5,
W52D = 0Energy Meter 1=Reset
From Page 16
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SET StrategyDesigned By:SET-019-015-06 Window PushbuttonPIR Operation
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Window Mode:Switch "Window Mode 1=Enabled" set to 1 Input "Window Pushbutton PIR" when open circuitwill force control to change to unoccupied.(1001-13)
PIR mode:Switch "0=Pushbutton 1=PIR" set to 1Control will change from standby to bypass upon movement being detected by the PIR for the amount of time determined by knob "Pushbutton PIR Timeout".(1001-11)
Pushbutton Mode:Switch "0=Pushbutton 1=PIR" set to 0Control will change from unoccupied to bypass for the amount of time determinedby knob "Pushbutton PIR Timeout"when the pushbutton is pressed. If the button is pressed whilst in bypassthe unit will be returned to unoccupied.(1001-12)
11Window Pushbutton PIR count
G1
COUNTER
S
A
R
M
I24S
F2D 9 9 9
1 Reschedule Time1 Scale Factor
12Input active
F2
COMPARATORD = 1 when F > E
E
FD
0.5
G1M
13KO Override Request
G2
COMB
E
F
G
H
D
S23o1S
0
W37D
G3D
J orK orL orM
E G h J Comb.K Comb.L Comb.M Comb.
14Pulse generator reset
G3
COMB
E
F
G
H
D
S23o1S
I24S
0
W41D
J orK orL orM
E J Comb.F H K Comb.
L Comb.M Comb.
15PIR request
G4
COMB
E
F
G
H
D
G20D
W42D
W41D
F2D
J orK orL orM
e F g H J Comb.K Comb.L Comb.M Comb.
16Pushbutton request
G5
COMB
E
F
G
H
D
F2D
W41D
W42D
G2D
J orK orL orM
E f g J Comb.H K Comb.
L Comb.M Comb.
18Pushbutton override active
G6
COMB
E
F
G
H
D
W1D
G8D
G5D
G7D
J orK orL orM
E f g h J Comb.e G K Comb.
L Comb.M Comb.
20PIR override active
G8
TIMER
S DG4D
0 On Delay0 Minimum OnF3D Off Delay
22Unit Bypass Request 1=Active
W1SWITCH
DG9D
60 Pin Level
21PB PIR override active
G9
COMB
E
F
G
H
D
W1D
G8D
G4D
G6D
J orK orL orM
H J Comb.F G K Comb.E F L Comb.
M Comb.
17Minutes to seconds
F3
MULTIPLYD=G*E*F
E
G
F
D
60
K1D
1
19Pushbutton override reset
G7
TIMER
S DG6D
F3D On Delay0 Minimum On0 Off Delay
W37D = 0Pushbutton TETS KO 1=Fitted
From Page 4
I24SWindow Pushbutton PIR
From Page 2
S23o1SOut - Local Setpoint Adjust
From Page 2
W41D = 0Window Mode 1=Enabled
From Page 5
W42D = 00=Pushbutton 1=PIR
From Page 5
G20DUnit - unoccupied
From Page 7
G9D
PB PIR override activeTo Page(s) 7,
K1D = 30Pushbutton PIR Timeout
From Page 3
I24SWindow Pushbutton PIR
From Page 2
W41D = 0Window Mode 1=Enabled
From Page 5
W42D = 00=Pushbutton 1=PIR
From Page 5
G8D
PIR override activeTo Page(s) 7,
W41D = 0Window Mode 1=Enabled
From Page 5I24N
Sts - Window Pushbutton PIRFrom Page 2
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SET StrategyDesigned By:SET-019-015-07 Occupancy State
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Unit interrupt:When in window mode and input"Window Pushbutton PIR" is 0 or theunit has been sent a shutdown commandcontrol is forced to unoccupied.(1001-14)
Unit Occupied is enabledwhen the zone is occupied.(1001-2)
Unit Unoccupied mode is activatedwhen the zone is unoccupiedfor longer periods of time.In this mode PIR has no effectalthough the Pushbutton willoverride the unit into bypass.(1001-3)
Unit Bypass mode is the occupiedstate used when the Pushbutton or PIR are activated.Bypass uses the same deadbandas occupied.(1001-4)
Unit Standby is activatedto reduce the energy consumptionof the zone. In this mode either the PIR if selected or the Pushbuttonwill put the zone back into occupied.(1001-5)
0 = Occupied1 = Unoccupied2 = Bypass3 = Standby(1001-1)
Window Mode:Switch "Window Mode 1=Enabled" set to 1 Input "Window Pushbutton PIR" when open circuitwill force control to change to unoccupied.(1001-13)
0 = Occupied1 = Unoccupied2 = Bypass3 = Standby(1001-1)
27Bypass request
G17
COMB
E
F
G
H
D
0
G9D
G8D
G20D
J orK orL orM
F g J Comb.F G h K Comb.
L Comb.M Comb.
28Bypass select
F6
GATED = F when B = 1
E
F
B
D
K11D
2
G17D
29Unoccupied select
F7
GATED = F when B = 1
E
F
B
D
F6D
1
G16D
30Occupancy decoder
F8
A TO D
G DF7D
a
b
c
d
e
f
g
h
32Unit - occupied
G18
COMB
E
F
G
H
D
F8a
F8b
G19D
0
J orK orL orM
e f J Comb.G K Comb.
L Comb.M Comb.
31Unit - bypass
G19
COMB
E
F
G
H
D
F8a
F8b
0
0
J orK orL orM
e F J Comb.K Comb.L Comb.M Comb.
33Unit - unoccupied
G20
COMB
E
F
G
H
D
F8a
F8b
0
0
J orK orL orM
E f J Comb.K Comb.L Comb.M Comb.
34Unit - standby
G21
COMB
E
F
G
H
D
F8a
F8b
0
0
J orK orL orM
E F J Comb.K Comb.L Comb.M Comb.
26Unit interrupt
G16
COMB
E
F
G
H
D
W41D
I24S
W11D
0
J orK orL orM
E f J Comb.G K Comb.
L Comb.M Comb.
35Occupancy
S10
INTERNALS
VF7D
enum Units4 High Alarm Limit-1 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
Unit Occupied
G18DI1INTERNAL
S
Hours RunStarts
Unit Unoccupied
G20DI2INTERNAL
S
Hours RunStarts
Unit In Bypass
G19DI3INTERNAL
S
Hours RunStarts
Unit In Standby
G21DI4INTERNAL
S
Hours RunStarts
39Remote Occupancy
K11KNOB
DF11D
enum Units79 Pin Level3 Top of Range0 Bottom of Range
36Unit not in occ mode
F9
COMPARATORD = 1 when F > E
E
FD
0.5
K11D
37Occ nocc select
F10
GATED = F when B = 1
E
F
B
D
1
0
F9D
38Occupancy value select
F11
GATED = F when B = 1
E
F
B
D
K11D
F10D
G75D
K11D = 1Remote Occupancy
From Page 7
G18D
Unit - occupiedTo Page(s) 9,
G19D
Unit - bypassTo Page(s)
G20D
Unit - unoccupiedTo Page(s) 6,10,13,
G21D
Unit - standbyTo Page(s) 9,
F7D
Unoccupied selectTo Page(s)
G9DPB PIR override active
From Page 6
G16D
Unit interruptTo Page(s) 10,13,
I24SWindow Pushbutton PIR
From Page 2
W41D = 0Window Mode 1=Enabled
From Page 5
W11D = 0Remote Shutdown 1=Shutdown
From Page 3
G8DPIR override active
From Page 6
K11D
Remote OccupancyTo Page(s) 3,7,15,
G75DService button occ active
From Page 15
F9D
Unit not in occ modeTo Page(s) 15,
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
10
20
30
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50
60
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80
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100
110
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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SET StrategyDesigned By:SET-019-015-08 Discharge and Space Temp
0 - 01
May2011_v2
015
19/05/2011
08 of 17Trend Control Systems Ltd
41Discharge temp 0=Fitted
G26
COMB
E
F
G
H
D
S21r1S
S21o1S
0
0
J orK orL orM
E J Comb.F K Comb.
L Comb.M Comb.
42Actual discharge temp
F16
GATED = F when B = 1
E
F
B
D
S21V
0
G26D
43Discharge Air Temperature
S1
INTERNALS
VF16D
DegC Units40 High Alarm Limit10 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
45Select temperature 1=Remote
G27
COMB
E
F
G
H
D
S31r1S
S31o1S
S22r1S
S22o1S
J orK orL orM
e F J Comb.E G K Comb.E H L Comb.
M Comb.
46Selected space temperature
F17
GATED = F when B = 1
E
F
B
D
S31V
S22V
S31r1S
49Space Temperature
S2
INTERNALS
VF19D
DegC Units40 High Alarm Limit10 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
Space Temperature
P1SYNC
SS2V
15 Min Period100 Records
47Space temperature select
F18
GATED = F when B = 1
E
F
B
D
F17D
K12D
G27D
44Room Display Space Temp
S31
EXTERNAL
Vi2c1
DegC Units112 Type0 Offset50 High Alarm Limit-5 Low Alarm Limit600 High Alarm Delay600 Low Alarm Delay0 Out.Limits Delay0 Read Alarm DelayDisabled Read AlarmDisabled Out. Limits AlarmDisabled Low AlarmDisabled High Alarm
48Actual space temperature
F19
GATED = F when B = 1
E
F
B
D
F18D
K12D
W34D
S21o1SOut - Local Discharge Air Temp
From Page 2
S21r1SRd - Local Discharge Air Temp
From Page 2
S21VLocal Discharge Air Temp
From Page 2
F16D
Actual discharge tempTo Page(s)
S22VLocal Space Temperature
From Page 2
K12D = 20Remote Space Temperature
From Page 3F19D
Actual space temperatureTo Page(s) 10,
S22r1SRd - Local Space Temperature
From Page 2
S22o1SOut - Local Space Temperature
From Page 2
W34D = 0Temperature Select 1=Remote
From Page 4
K12D = 20Remote Space Temperature
From Page 3
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
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SET StrategyDesigned By:SET-019-015-09 Heating Cooling Setpoints
0 - 01
May2011_v2
015
19/05/2011
09 of 17Trend Control Systems Ltd
62Deadband 0=NOCC 1=Standby
F29
GATED = F when B = 1
E
F
B
D
K5D
K6D
G21D
63OCC deadband select 1=0
F30
GATED = F when B = 1
E
F
B
D
K4D
0
W36D
64Deadband 1=OCC
F31
GATED = F when B = 1
E
F
B
D
F29D
F30D
G18D
65Selected heat setpoint
F32
GATED = F when B = 1
E
F
B
D
K14D
K7D
W36D
66Selected cool setpoint
F33
GATED = F when B = 1
E
F
B
D
K14D
K8D
W36D
52Select setpoint 1=Remote
G31
COMB
E
F
G
H
D
S23r1S
S23o1S
W35D
i2F
J orK orL orM
E H J Comb.F H K Comb.G L Comb.
M Comb.
53Selected setpoint offset
F22
GATED = F when B = 1
E
F
B
D
F21D
K13D
G31D
57Value changed
G32
COMB
E
F
G
H
D
F23D
i2F
G31D
F44D
J orK orL orM
e J Comb.f g h K Comb.
L Comb.M Comb.
58Adjustment active
G33
TIMER
S DG32D
0 On Delay0 Minimum OnF25D Off Delay
54Value has not changed
F23
PROXIMITYE +/- F
E
G
F
D
F24D
F22D
0.05
55Last change value
F24
GATED = F when B = 1
E
F
B
D
F22D
F24D
F23D
56Minutes to seconds
F25
MULTIPLYD=G*E*F
E
G
F
D
1
K2D
60
59Selected offset range
F26
GATED = F when B = 1
E
F
B
D
K3D
1
G31D 60Active setpoint offset
F27
GATED = F when B = 1
E
F
B
D
0
F22D
G33D
67Calculated deadband
F34
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F43D
1
1
F31D
71Minimum setpoint
F38
GATED = F when B = 1
E
F
B
D
F35D
F36D
F37D
72Maximum setpoint
F39
GATED = F when B = 1
E
F
B
D
F36D
F35D
F37D
73Heat setpoint
F40
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F38D
1
1
F28D
74Cool setpoint
F41
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F28D
1
1
F39D
75Actual setpoint
F42
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
0.5
0.5
F40D
F41D
76Setpoint
S3
INTERNALS
VF42D
DegC Units30 High Alarm Limit-30 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
68Heat setpoint - deaband
F35
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F34D
1
-0.5
F32D
69Cool setpoint + deadband
F36
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F34D
1
0.5
F33D
70Heat cool setpoint overlap
F37
COMPARATORD = 1 when F > E
E
FD
F36D
F35D
77Eco mode selected deadband
F43
GATED = F when B = 1
E
F
B
D
0
K51D
W51D
61Setpoint offset
F28
MULTIPLYD=G*E*F
E
G
F
D
1
F26D
F27D
51Selected setpoint adjustment
F21
GATED = F when B = 1
E
F
B
D
F48D
S23V
i2F
78Room Display Setpoint
K44KNOB
DF42D
DegC Units79 Pin Level24 Top of Range18 Bottom of Range
79Room display not changed
F44
PROXIMITYE +/- F
E
G
F
D
F42D
K44D
0.05
80Setpoint no offset
F45
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
0.5
0.5
F35D
F36D
83Room display offset value
F48
GATED = F when B = 1
E
F
B
D
F47D
F48D
F44D
82Room display calculated change
F47
DIVIDED=F(G/E)
E
G
F
D
F26D
F46D
1
81Room display changed value
F46
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
1
-1
K44D
F45D
K14D = 20Remote Setpoint
From Page 3
K4D = 1OCC Deadband
From Page 3
G18DUnit - occupied
From Page 7
K5D = 12NOCC Deadband
From Page 3
K6D = 2Standby Deadband
From Page 3
G21DUnit - standbyFrom Page 7
W36D = 0HeatCool Setpoint 1=Separate
From Page 4
K8D = 20.5Cooling Setpoint
From Page 3
K7D = 19.5Heating Setpoint
From Page 3
W35D = 0SP Offset Select 1=Remote
From Page 4
S23VLocal Setpoint Adjust
From Page 2
K13D = 0Remote Setpoint Offset
From Page 3
S23o1SOut - Local Setpoint Adjust
From Page 2
S23r1SRd - Local Setpoint Adjust
From Page 2
K3D = 2Offset RangeFrom Page 3
K2D = 60Setpoint Adjust Timeout
From Page 3
F41D
Cool setpointTo Page(s) 10,
F40D
Heat setpointTo Page(s) 10,
F42D
Actual setpointTo Page(s)
F43DEco mode selected deadband
From Page 9
K51D = 4ECO Mode Deadband Increase
From Page 5
W51D = 0Operating Mode 0=Comfort 1=ECO
From Page 5
F43D
Eco mode selected deadbandTo Page(s) 9,
F28D
Setpoint offsetTo Page(s) 9,
F28DSetpoint offset
From Page 9
F48D
Room display offset valueTo Page(s) 9,
F44D
Room display not changedTo Page(s) 9,
G31DSelect setpoint 1=Remote
From Page 9
F44DRoom display not changed
From Page 9
G31D
Select setpoint 1=RemoteTo Page(s) 9,i2F
I/O2 Failed Status
i2FI/O2 Failed Status
i2FI/O2 Failed Status
F48DRoom display offset value
From Page 9
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
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20
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50
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Drawing Reference Page Details Issue Revision Checked By Project Number:
Outstation:
Date:
Page:
SET StrategyDesigned By:SET-019-015-10 Heating Cooling Demands
0 - 01
May2011_v2
015
19/05/2011
10 of 17Trend Control Systems Ltd
88Heat loop
L1
LOOP
A
P
O
U
L
S
D
G36D
F19D
F40D
nul
98
G37D
5 Reschedule Time20 Gain10 Integral Time
Deadband
91Heat cool demand
F51
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
1
-1
L1D
L2D
Heating Demand
P2SYNC
SS11V
15 Min Period
98Heating below setpoint
F56
HYST BANDE=Level F=Band
E
G
F
D
F19D
F40D
1
99Heating required
G39
COMB
E
F
G
H
D
F56D
0
G36D
F54D
J orK orL orM
E G J Comb.g H K Comb.
L Comb.M Comb.
100Fan heat demand
F57
RSCL TOD=100(G-E)/(F-E)
E
G
F
D
50
F51D
100
102Fan demand
F59
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F57D
1
1
F58D
F19DActual space temperature
From Page 8
F59D
Fan demandTo Page(s) 13,
F78DFan control off selected
From Page 12
90Cool loop
L2
LOOP
A
P
O
U
L
S
D
0
F19D
F41D
nul
0
G38D
5 Reschedule Time-20 Gain10 Integral Time
Deadband
92Heat demand
F52
RSCL TOD=100(G-E)/(F-E)
E
G
F
D
0
F51D
50
94Cool demand
F53
RSCL TOD=100(G-E)/(F-E)
E
G
F
D
0
F51D
-50
86Loop override required
G36
COMB
E
F
G
H
D
W12D
G20D
0
0
J orK orL orM
E F J Comb.K Comb.L Comb.M Comb.
87Heating loop enable
G37
COMB
E
F
G
H
D
G16D
0
F78D
0
J orK orL orM
e g J Comb.K Comb.L Comb.M Comb.
93Heating requested
F54
HYST BANDE=Level F=Band
E
G
F
D
3
F52D
4
95Cooling required
F55
HYST BANDE=Level F=Band
E
G
F
D
3
F53D
4
89Cooling loop enable
G38
COMB
E
F
G
H
D
G16D
0
F78D
0
J orK orL orM
e g J Comb.K Comb.L Comb.M Comb.
96Heating Demand
S11
INTERNALS
VF52D
% Units101 High Alarm Limit-1 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
97Cooling Demand
S12
INTERNALS
VF53D
% Units101 High Alarm Limit-1 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
Cooling Demand
P3SYNC
SS12V
15 Min Period
101Fan cool demand
F58
RSCL TOD=100(G-E)/(F-E)
E
G
F
D
-50
F51D
-100
F19DActual space temperature
From Page 8
F40DHeat setpointFrom Page 9
F41DCool setpointFrom Page 9
F52D
Heat demandTo Page(s) 11,
F53D
Cool demandTo Page(s) 11,
G16DUnit interruptFrom Page 7
G39D
Heating requiredTo Page(s) 13,
F55D
Cooling requiredTo Page(s) 13,
G20DUnit - unoccupied
From Page 7
W12D = 0Frost Condition 1=Frost
From Page 3
F40DHeat setpointFrom Page 9
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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Date:
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SET StrategyDesigned By:SET-019-015-11 Heating Cooling Valves
0 - 01
May2011_v2
015
19/05/2011
11 of 17Trend Control Systems Ltd
107Heat override balance select
F62
GATED = F when B = 1
E
F
B
D
K21D
100
G65D
108Heat valve override required
G41
COMB
E
F
G
H
D
G65D
0
W21D
W32D
J orK orL orM
E J Comb.G H K Comb.
L Comb.M Comb.
110Heating Valve
D5
RAISE LOWER END
S
l
aF63D
5
6
180 fs DriveDisabled Invert
PositionDisabled Position Sync.
114Cooling Valve
D7
RAISE LOWER END
S
l
aF65D
7
8
180 fs DriveDisabled Invert
PositionDisabled Position Sync.
111Cool override balance select
F64
GATED = F when B = 1
E
F
B
D
K22D
100
G65D
112Cool valve override required
G42
COMB
E
F
G
H
D
G65D
0
W22D
W32D
J orK orL orM
E J Comb.G H K Comb.
L Comb.M Comb.
109Heating valve demand
F63
GATED = F when B = 1
E
F
B
D
F52D
F62D
G41D
113Cooling valve demand
F65
GATED = F when B = 1
E
F
B
D
F53D
F64D
G42D
G65DWater balance required
From Page 14
G65DWater balance required
From Page 14
F52DHeat demand
From Page 10
F53DCool demand
From Page 10
W21D = 0Heating Override 1=Enabled
From Page 4
W22D = 0Cooling Override 1=Enabled
From Page 4
K21D = 0Heating Override Value
From Page 4
K22D = 0Cooling Override Value
From Page 4
W32D = 1Overrides 0=Disabled 1=Enabled
From Page 4
W32D = 1Overrides 0=Disabled 1=Enabled
From Page 4
G41D
Heat valve override requiredTo Page(s) 17,
G42D
Cool valve override requiredTo Page(s) 17,
F63D
Heating valve demandTo Page(s) 16,
F65D
Cooling valve demandTo Page(s) 16,
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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SET StrategyDesigned By:SET-019-015-12 Fan Control - Variable Speed
0 - 01
May2011_v2
015
19/05/2011
12 of 17Trend Control Systems Ltd
0 = Off1 = Low2 = Medium3 = High4 = Auto(1001-7)
Room Display Fan Speed0 = Off1 = Low2 = Medium3 = High4 = Auto255 = On(1001-23)
131Selected Fan Speed
S7
INTERNALS
VF77D
enum Units4.5 High Alarm Limit-0.5 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
124Select fan speed 1=Remote
G46
COMB
E
F
G
H
D
0
0
F71D
i2F
J orK orL orM
H J Comb.G K Comb.
L Comb.M Comb.
125Remote fan speed selected
F74
GATED = F when B = 1
E
F
B
D
F73D
K15D
W39D
128Room Display Fan Speed
K45KNOB
DF77D
enum Units79 Pin Level255 Top of Range0 Bottom of Range
127Fan speed selected
F77
GATED = F when B = 1
E
F
B
D
4
F74D
F75D
130Fan control off selected
F78
COMPARATORD = 1 when F > E
E
FD
F77D
0.9
126Fan speed in range
F75
PROXIMITYE +/- F
E
G
F
D
2
F74D
2
129Fan control auto selected
F76
PROXIMITYE +/- F
E
G
F
D
4
F77D
0.01
122Remote fans speed adjustment
F73
GATED = F when B = 1
E
F
B
D
F72D
K15D
G46D
121Selected fan speed adjustment
F72
GATED = F when B = 1
E
F
B
D
K45D
4
i2F
123Local fan speed select
F71
COMPARATORD = 1 when F > E
E
FD
K15D
3.9
K15D = 4Remote Fan Speed
From Page 3W39D = 0
Fan Speed Select 1=RemoteFrom Page 4
F77D
Fan speed selectedTo Page(s) 13,
F76D
Fan control auto selectedTo Page(s) 13,
i2FI/O2 Failed Status
i2FI/O2 Failed Status
F78D
Fan control off selectedTo Page(s) 10,13,
K15D = 4Remote Fan Speed
From Page 3
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
10
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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SET StrategyDesigned By:SET-019-015-13 Fan Control - Variable page 2
0 - 01
May2011_v2
015
19/05/2011
13 of 17Trend Control Systems Ltd
137Fan control required
G51
COMB
E
F
G
H
D
F78D
0
G20D
F76D
J orK orL orM
J Comb.H K Comb.G L Comb.
M Comb.
Fan Running
F89DI5INTERNAL
S
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
153Actual EC Fan Speed
S17
INTERNALS
VD9l
V Units10.1 High Alarm Limit-0.5 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
Actual EC Fan Speed
P5SYNC
SS17V
15 Min Period100 Records
138Fan manual value select
F80
GATED = F when B = 1
E
F
B
D
F77D
F79D
G51D
149Fan on required
F87
COMPARATORD = 1 when F > E
E
FD
0.5
F86D
147Effective fan speed
F86
GATED = F when B = 1
E
F
B
D
F91D
K28D
G53D
146Fan speed override required
G53
COMB
E
F
G
H
D
W27D
W32D
0
F85D
J orK orL orM
E F J Comb.K Comb.L Comb.M Comb.
145Override speed off
F85
COMPARATORD = 1 when F > E
E
FD
K28D
20
136Fan on value select
F79
GATED = F when B = 1
E
F
B
D
0
1
G49D
151Fan anti cycle seleted
F88
GATED = F when B = 1
E
F
B
D
F86D
0
G55D
154Fan enabled
F89
COMPARATORD = 1 when F > E
E
FD
0.5
D9l
148Anti cycling active
G54
TIMER
S DF89D
0 On Delay0 Minimum On300 Off Delay
150Fan anti cycle active
G55
COMB
E
F
G
H
D
G55D
F87D
G54D
F89D
J orK orL orM
f G J Comb.E G h K Comb.G h L Comb.
M Comb.
132Fan demanded
G47
COMB
E
F
G
H
D
G20D
G39D
F55D
W45D
J orK orL orM
e F H J Comb.e G H K Comb.e h L Comb.
M Comb.
133Fan required
G48
COMB
E
F
G
H
D
G39D
G20D
G16D
G47D
J orK orL orM
E F g J Comb.g H K Comb.
L Comb.M Comb.
134Fan enabled to run
G49
COMB
E
F
G
H
D
G48D
0
0
0
J orK orL orM
E J Comb.K Comb.L Comb.M Comb.
135Manual fan speed enabled
G50
COMB
E
F
G
H
D
G47D
0
G20D
F76D
J orK orL orM
h J Comb.G K Comb.e g H L Comb.
M Comb.
152EC Fan
D9
ANALOGUE
S
l
F88D
9
0 Override Enable0 Override Value
139Fan manual demand
F81
RSCL TOD=100(G-E)/(F-E)
E
G
F
D
1
F80D
3
140Fan speed = off
F82
COMPARATORD = 1 when F > E
E
FD
F80D
0.5
141Fan required speed
F83
GATED = F when B = 1
E
F
B
D
F59D
F81D
G50D
142Off fan speed select
F84
GATED = F when B = 1
E
F
B
D
K39D
0
F82D
143Minimum fan speed select
F90
GATED = F when B = 1
E
F
B
D
K39D
F84D
G50D
144Calculated fan speed
F91
RSCL FRD=(G/100)(F-E)+E
E
G
F
D
F90D
F83D
K40D
156Delayed fan start
G56
TIMER
S DG52D
R1L On Delay0 Minimum On0 Off Delay
157Occupation Relay
D1
DIGITAL
S
l
G56D
1
0 Override Enable0 Override Value
155Fan power required
G52
COMB
E
F
G
H
D
G16D
W27D
G20D
G49D
J orK orL orM
e g J Comb.e G H K Comb.F L Comb.
M Comb.F89D
Fan enabledTo Page(s)
G49DFan enabled to run
From Page 13
F59DFan demand
From Page 10
W27D = 0Fan Override 1=Enabled
From Page 4
K28D = 50Fan Speed Override Value EC
From Page 4
F76DFan control auto selected
From Page 12
F77DFan speed selected
From Page 12
F78DFan control off selected
From Page 12K28D = 50
Fan Speed Override Value ECFrom Page 4
G20DUnit - unoccupied
From Page 7G16D
Unit interruptFrom Page 7
G39DHeating required
From Page 10
F55DCooling required
From Page 10
W45D = 0Fan Off at Setpoint 1=Enabled
From Page 5
G39DHeating required
From Page 10
G49D
Fan enabled to runTo Page(s) 13,
G20DUnit - unoccupied
From Page 7F76D
Fan control auto selectedFrom Page 12
G20DUnit - unoccupied
From Page 7
W32D = 1Overrides 0=Disabled 1=Enabled
From Page 4
K39D = 37Minimum Fan Speed Setpoint
From Page 4
K40D = 70Maximum Fan Speed Setpoint
From Page 4
G20DUnit - unoccupied
From Page 7
G16DUnit interruptFrom Page 7
W27D = 0Fan Override 1=Enabled
From Page 4
G49DFan enabled to run
From Page 13
R1LLocal Address
K39D = 37Minimum Fan Speed Setpoint
From Page 4
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Drawing Reference Page Details Issue Revision Checked By Project Number:
Outstation:
Date:
Page:
SET StrategyDesigned By:SET-019-015-14 Service Pin - Water balance
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14 of 17Trend Control Systems Ltd
Required Action Water Balance On for the Lan Water Balance Off for the Lan Water Balance On for the Unit Water Balance Off for the Unit
Phase 1 No Press Press No Press Press
Phase 2 No Press No Press Press Press
Phase 3No PressNo PressNo PressNo Press
159Water balance iccoms required
G62
TIMER
S DG61D
0 On Delay0 Minimum On300 Off Delay
158Service button WB enable
G61
COMB
E
F
G
H
D
W31D
I101S
I102S
0
J orK orL orM
E F J Comb.E G K Comb.
L Comb.M Comb.
SB - Water Balance ON Lan
I101
EXTERNAL
Sc101
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
SB - Water Balance OFF Lan
I102
EXTERNAL
Sc102
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
SB - Water Balance ON Unit
I103
EXTERNAL
Sc103
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
160Water balance enable
G63
COMB
E
F
G
H
D
W31D
I101S
I103S
0
J orK orL orM
E F J Comb.E G K Comb.
L Comb.M Comb.
164Water balance iccoms disable
G66
COMB
E
F
G
H
D
G62D
0
0
0
J orK orL orM
e J Comb.K Comb.L Comb.M Comb.
Water balance iccoms
N6
GLOBAL TOTrend
L RW28DW28S
3 Remote Attributes0 Remote Lan1 Message Interval
Failed Bit
G65D
Water balance requiredTo Page(s) 11,
SB - Water Balance OFF Unit
I104
EXTERNAL
Sc104
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
161Water balance disable
G64
COMB
E
F
G
H
D
W31D
I102S
I104S
0
J orK orL orM
E F J Comb.E G K Comb.
L Comb.M Comb.
162Water balance required
G65
COMB
E
F
G
H
D
G63D
G64D
0
W28D
J orK orL orM
E J Comb.f H K Comb.
L Comb.M Comb.
163Water Balance 1=Enabled
W28SWITCH
DG65D
60 Pin Level
W31D = 1Service Button Mode 1=Enabled
From Page 4
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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SET StrategyDesigned By:SET-019-015-15 Service Button - Occupancy
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Required ActionOccupied for the Lan Unoccupied for the LanOccupied for the Unit Unoccupied for the Unit
Phase 1No PressPressNo PressPress
Phase 2No PressNo PressPressPress
Phase 3PressPressPressPress
166Occupancy iccoms required
G72
TIMER
S DG71D
0 On Delay0 Minimum On300 Off Delay
165Service button Occ enable
G71
COMB
E
F
G
H
D
W31D
I105S
I106S
0
J orK orL orM
E F J Comb.E G K Comb.
L Comb.M Comb.
SB - Occupancy ON Lan
I105
EXTERNAL
Sc105
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
SB - Occupancy OFF Lan
I106
EXTERNAL
Sc106
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
SB - Occupancy ON Unit
I107
EXTERNAL
Sc107
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
SB - Occupancy OFF Unit
I108
EXTERNAL
Sc108
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
167Occupancy enable
G73
COMB
E
F
G
H
D
W31D
I105S
I107S
0
J orK orL orM
E F J Comb.E G K Comb.
L Comb.M Comb.
168Occupancy disable
G74
COMB
E
F
G
H
D
W31D
I106S
I108S
0
J orK orL orM
E F J Comb.E G K Comb.
L Comb.M Comb.
169Service button occ active
G75
COMB
E
F
G
H
D
G73D
G74D
0
F9D
J orK orL orM
E H J Comb.F h K Comb.
L Comb.M Comb.
170Occupancy iccoms disable
G76
COMB
E
F
G
H
D
G72D
0
0
0
J orK orL orM
e J Comb.K Comb.L Comb.M Comb.
Occupancy Iccoms
N7
GLOBAL TOTrend
L RK11DK11V
3 Remote Attributes0 Remote Lan1 Message Interval0 Significant Change
Failed Bit
W31D = 1Service Button Mode 1=Enabled
From Page 4
G75D
Service button occ activeTo Page(s) 7,
F9DUnit not in occ mode
From Page 7
K11D = 1Remote Occupancy
From Page 7
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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SET StrategyDesigned By:SET-019-015-16 Virtual Energy Meter
0 - 01
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16 of 17Trend Control Systems Ltd
Fan Duty Maximum Speed kW >>>
Heat exchanger power estimation.
Heating Power = (Heating medium temperature – Space temperature) * Coil duty * Valve position / 100Power kW (D) = (Water Supply Temp DegC (E) – Space Temp DegC (F)) * Coil Duty kW/degK (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I) Power Btu/s (D) = (Water Supply Temp DegF (F) – Space Temp DegF (E)) * Coil Duty Btu/sDegF (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I)
Cooling Power = (Space temperature – Cooling medium temperature) * Coil duty * Valve position / 100Power kW (D) = (Space Temp (E) – Water Supply Temp (F)) * Coil Duty kW/degK (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I) Power Btu/s (D) = (Space Temp DegF (E) – Water Supply Temp DegF (F)) * Coil Duty Btu/sDegF (G) * Valve Position %(0-100)(H) * 0.01 (constant)(I)(1001-25)
1 kW = 0.948608 Btu/s1 hp = 0.7074163 Btu/s1 Btu/h/3600 = 1 Btu/s(1001-26)
Heating Coil Duty Fan Off >>>Heating Coil Duty Max Speed >>>
Cooling Coil Duty Fan Off >>>
Cooling Coil Duty Max Speed >>>
Occupation Relay Duty kW>>
178Fan duty max speed
F113
GATED = F when B = 1
E
F
B
D
0
0.16
I5S
183Heating coil energy level
F118
HEAT METERD=0 if F>E Else D=(E-F)*G*H*I
E
F
G
H
I
D
K17D
S2V
F108D
F63D
0.01
184Coiling coil energy level
F119
HEAT METERD=0 if F>E Else D=(E-F)*G*H*I
E
F
G
H
I
D
S2V
K18D
F111D
F65D
0.01
185Heat and cool energy level
F120
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F118D
1
1
F119D
191Unit energy consumption
F124
INTEGRATORD=D+(G*seconds/F)
G
F
H
D
F123D
3600
G81D∫dt
190Meter reset
G81
COMB
E
F
G
H
D
W52D
T1o
T1q
T1r
J orK orL orM
E J Comb.G K Comb.
L Comb.M Comb.
192Unit Energy Meter
S51
INTERNALS
VF124D
kWh Units500 High Alarm Limit-1 Low Alarm Limit0 High Alarm Delay0 Low Alarm DelayDisabled Low AlarmDisabled High Alarm
Unit Energy Meter
P6SYNC
SS51V
30 Min Period200 Records
188Unit total energy level
F123
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F122D
1
K52D
F121D
187Heating coolng load
F122
GATED = F when B = 1
E
F
B
D
0
F120D
I5S
189Energy Meter 1=Reset
W52SWITCH
DF1D
60 Pin Level
172Heating coil duty max speed
F107
GATED = F when B = 1
E
F
B
D
0
0.327778
I5S
175Cooling coil duty max speed
F110
GATED = F when B = 1
E
F
B
D
0
0.333333
I5S
181Occupation relay duty
F116
GATED = F when B = 1
E
F
B
D
0.01
0.5
D1l
186Fan and electric heater energy
F121
ADD/SCLRD = (E * G) + (F * H)
E
F
G
H
D
F114D
1
1
F116D
173Calculated heating duty
F108
MULTIPLYD=G*E*F
E
G
F
D
F107D
0.1
S17V
176Calculated cooling duty
F111
MULTIPLYD=G*E*F
E
G
F
D
F110D
0.1
S17V
179Calculated fan duty
F114
MULTIPLYD=G*E*F
E
G
F
D
F113D
0.1
S17V
S2VSpace Temperature
From Page 8
S2VSpace Temperature
From Page 8
K17D = 80Heating Flow Temperature
From Page 3
T1o15 minute pulse
T1q30 minute pulse
K52D = 1Power Conversion Factor
From Page 5
I5SFan Running
From Page 13
T1r60 minute pulse
I5SFan Running
From Page 13
F1DOne shot switch reset
From Page 2
I5SFan Running
From Page 13
I5SFan Running
From Page 13
D1lOccupation Relay
From Page 13
S17VActual EC Fan Speed
From Page 13
S17VActual EC Fan Speed
From Page 13
S17VActual EC Fan Speed
From Page 13
F63DHeating valve demand
From Page 11
F65DCooling valve demand
From Page 11
K18D = 6Cooling Flow Temperature
From Page 3
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Drawing Reference Page Details Issue Revision Checked By Project Number:
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Date:
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SET StrategyDesigned By:SET-019-015-17 IC Comms and Alarm Group
0 - 01
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17 of 17Trend Control Systems Ltd
Alarm Group 1
g1
ALARM GROUPN
RO
LH
0 Priority
Alarm Route 1
o1
ALARM ROUTE
G
E
Dg1O
0
Alarm Destination
e1
ALARM DEST
S
H
Fo1D
0
1 Message Format0 Retry Pause Int.Disabled Inhibit Cleared1 Alarm Address0 Remote Lan
Slave Remote Space Temp
N1
GLOBAL TOTrend
L RS2VK12V
3 Remote Attributes0 Remote Lan0 Message Interval0.1 Significant Change
Slave Remote Setpoint
N2
GLOBAL TOTrend
L RS3VK14V
3 Remote Attributes0 Remote Lan0 Message Interval0.01 Significant Change
Slave Remote Occupancy
N3
GLOBAL TOTrend
L RS10VK11V
3 Remote Attributes0 Remote Lan0 Message Interval1 Significant Change
Slave Remote Fan Speed
N4
GLOBAL TOTrend
L RS7VK15V
3 Remote Attributes0 Remote Lan0 Message Interval1 Significant Change State Holder
A99Analogue
V D0
Read AlarmOut. Limits AlarmLow AlarmHigh Alarm
9Override active
G111
COMB
E
F
G
H
D
G41D
G53D
G42D
0
J orK orL orM
E J Comb.F K Comb.G L Comb.
M Comb.
Stratgey Override 1=Active
G111DI11INTERNAL
S
0 Alarm Delay0 Required StateDisabled State Alarm
Hours RunStarts
S2VSpace Temperature
From Page 8
S3VSetpoint
From Page 9
S10VOccupancy
From Page 7
S7VSelected Fan Speed
From Page 12
G53DFan speed override required
From Page 13
G42DCool valve override required
From Page 11
G41DHeat valve override required
From Page 11
SensorNumber Type Label Units
S.E.T.Part Number Offset Source
I/OChannel
1 2 Discharge Air Temperature DegC F16D
2 2 Space Temperature DegC F19D
3 2 Setpoint DegC F42D
7 2 Selected Fan Speed enum F77D
10 2 Occupancy enum F7D
11 2 Heating Demand % F52D
12 2 Cooling Demand % F53D
17 2 Actual EC Fan Speed V D9l
21 1 Local Discharge Air Temp DegC 101 - 10k Therm DegC T0 1
22 1 Local Space Temperature DegC 101 - 10k Therm DegC T0 2
23 1 Local Setpoint Adjust DegC 102 - Knob TB 0.5deg tri 0 3
31 1 Room Display Space Temp DegC 112 - WMB Prescaled 0 1
51 2 Unit Energy Meter kWh F124D
Project: Project Number:Outstation:
Date:Page:
Sensor ListIQeco Standard Strategies May2011_v2
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Dig InNumber Label
I/OChannel Source
1 Unit Occupied 0 G18D
2 Unit Unoccupied 0 G20D
3 Unit In Bypass 0 G19D
4 Unit In Standby 0 G21D
5 Fan Running 0 F89D
11 Stratgey Override 1=Active 0 G111D
24 Window Pushbutton PIR 4
101 SB - Water Balance ON Lan 101
102 SB - Water Balance OFF Lan 102
103 SB - Water Balance ON Unit 103
104 SB - Water Balance OFF Unit 104
105 SB - Occupancy ON Lan 105
106 SB - Occupancy OFF Lan 106
107 SB - Occupancy ON Unit 107
108 SB - Occupancy OFF Unit 108
Project: Project Number:Outstation:
Date:Page:
Digital Inputs ListIQeco Standard Strategies May2011_v2
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KnobNumber Label Units Value Max. Level Min. Level Pin Level
1 Pushbutton PIR Timeout min 30 1440 0 79
2 Setpoint Adjust Timeout min 60 1440 0 79
3 Offset Range DegC 2 10 1 79
4 OCC Deadband DegC 1 2 0.5 60
5 NOCC Deadband DegC 12 20 8 60
6 Standby Deadband DegC 2 3 1 60
7 Heating Setpoint DegC 19.5 24 8 79
8 Cooling Setpoint DegC 20.5 34 18 79
11 Remote Occupancy enum F11D 3 0 79
12 Remote Space Temperature DegC 20 30 0 79
13 Remote Setpoint Offset DegC 0 10 -10 79
14 Remote Setpoint DegC 20 24 18 79
15 Remote Fan Speed enum 4 4 0 79
17 Heating Flow Temperature DegC 80 0 0 79
18 Cooling Flow Temperature DegC 6 0 0 79
21 Heating Override Value % 0 100 0 60
22 Cooling Override Value % 0 100 0 60
28 Fan Speed Override Value EC % 50 100 0 60
31 Fan Anti Cycle Time min 5 60 0 79
39 Minimum Fan Speed Setpoint % 37 50 0 79
40 Maximum Fan Speed Setpoint % 70 100 50 79
44 Room Display Setpoint DegC F42D 24 18 79
45 Room Display Fan Speed enum F77D 255 0 79
51 ECO Mode Deadband Increase DegC 4 6 2 79
52 Power Conversion Factor 1 0 0 0
Project: Project Number:Outstation:
Date:Page:
Knobs ListIQeco Standard Strategies May2011_v2
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SwitchNumber Label Status
Pin LevelState
1 Unit Bypass Request 1=Active G9D 60
11 Remote Shutdown 1=Shutdown 0 79
12 Frost Condition 1=Frost 0 79
21 Heating Override 1=Enabled 0 60
22 Cooling Override 1=Enabled 0 60
27 Fan Override 1=Enabled 0 60
28 Water Balance 1=Enabled G65D 60
31 Service Button Mode 1=Enabled 1 79
32 Overrides 0=Disabled 1=Enabled 1 79
34 Temperature Select 1=Remote 0 79
35 SP Offset Select 1=Remote 0 79
36 HeatCool Setpoint 1=Separate 0 79
37 Pushbutton TETS KO 1=Fitted 0 79
39 Fan Speed Select 1=Remote 0 79
41 Window Mode 1=Enabled 0 79
42 0=Pushbutton 1=PIR 0 79
45 Fan Off at Setpoint 1=Enabled 0 79
51 Operating Mode 0=Comfort 1=ECO 0 60
52 Energy Meter 1=Reset F1D 60
Project: Project Number:Outstation:
Date:Page:
Switch ListIQeco Standard Strategies May2011_v2
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DriverNumber Label Type Source Inv?
AnalogueOffset Range
TP+OverridePeriod Override
Raise/LowerDrive Feedbk
HysteresisOn Off
ChannelPhase
ChannelAntiPhase
1 Occupation Relay 1 G56D 0 1 0
5 Heating Valve 4 F63D 0 180 nul 5 6
7 Cooling Valve 4 F65D 0 180 nul 7 8
9 EC Fan 2 F88D 0 0 100 9 0
Project: Project Number:Outstation:
Date:Page:
Drivers ListIQeco Standard Strategies May2011_v2
015
19/05/2011
T05 of T05
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