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MM-DXC010 VRF DX COIL CONTROLLER (Individual / Header)
MM-DXC012 VRF DX COIL CONTROLLER (Follower)
MM-DXV080 VRF DX COIL VALVE KIT (5.6kW, 7.1kW, 8.0kW)
MM-DXV140 VRF DX COIL VALVE KIT (11.2kW, 14.0kW, 16.0kW)
MM-DXV280 VRF DX COIL VALVE KIT (22.4kW, 28.0kW)
ENGLISH
1
VRF DX Coil Interface Installation Manual
This symbol mark is for EU countries only. This symbol mark is according to the directive 2002/96/EC Article 10 Information for users and Annex IV. This product is designed and manufactured with high quality materials and components which can be recycled and reused. This symbol means that electrical and electronic equipment, at the end-of-life, should be disposed of separately from your household waste. Please dispose of this equipment at your local community waste collection / recycling centre. In the European Union there are separate collection systems for used electrical and electronic product.
Please read this Installation Manual carefully before installing the VRF DX Coil interface. • This Manual describes the installation method of the VRF DX Coil interface. • You must also refer to the Installation and Owner’s Manual attached to the Toshiba outdoor unit. • Please follow the manual(s) for your Air Handling Unit (local supply). • Toshiba Carrier UK (Ltd) does not take any responsibility on the local design.
ADOPTION OF NEW REFRIGERANT
This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. This appliance is for commercial use only and should not be accessible to the general public. This appliance is not intended for use by person (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance. Contents 1 OVERVIEW: VRF DX INTERFACE (GROUP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 SUPPLIED PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
11 SERVICE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
VRF DX Coil Interface Installation Manual
1 OVERVIEW: VRF DX INTERFACE (GROUP) The VRF DX Coil Interface enables a DX-Coil from an air handling unit to be connected to a Toshiba VRF system ( MiNi-SMMS / MiNi-SMMSe / SMMS / SMMSi / SMMSe / SHRM / SHRMi / SHRMe ). There are 2 components: DX-Coil Controller and a DX Coil Valve Kit (including a Pulse Modulating Valve). DX-Coil Controllers are available as a Individual / Header (MM-DXC010) or as a Follower (MM-DXC012). There are 3 models of valve kits: MM-DXV080 (2-3HP) / MM-DXV140 (4-6HP) / MM-DXV280 (8-10HP). When configured as an “Individual” the MM-DXC010 has a capacity range of 2-10HP (plus appropriate valve kit). For larger capacities up to 60HP (SMMSe) the MM-DXC010 is configured as a “Header” and grouped in combination with 1-5 x MM-DXC012 “Followers” (plus appropriate valve kit). DX Coils >10HP must be must be split into separate pathways (Distributors and Headers) for each section.
Example AHU with DX-Interface (30HP)
DX-COIL
MM-DXV280
10HP
T/2
T/1
T/1
TA
TA
TA
T/J
T/2
T/J
T/1
T/2
T/J
Where installed in a Group the MM-DXC010 DX Coil Controller has to be configured on site by the installer. The MM-DXC012 DX Coil Controllers are configured at the factory. Each Controller is linked using U1 / U2 and A / B. All input / output options are connected to the MM-DXC010 DX Coil Controller which also contains a RBC- AMT32E Remote Controller. Each DX Coil Controller uses a DX valve kit (MM-DXV080/140/280), the PMV and sensors leads need to be carefully connected to correct controller.
3
VRF DX Coil Interface Installation Manual
2 SUPPLIED PARTS The VRF DX Coil Interface is designed to allow the connection of a customers air handling unit (with R410A DX Coil) to a Toshiba VRF outdoor unit ( MiNi-SMMS / MiNi-SMMSe / SMMS / SMMSi / SMMSe / SHRM / SHRMi / SHRMe ).
The Interface consists of a DX Coil Controller, and a DX Coil Valve Kit (3 sizes). This is a kit of parts which the installer needs to assemble (including brazing).
DX Coil Valve Kit contents:-
3 PRECAUTIONS FOR SAFETY • Ensure that all Local, National and International regulations are satisfied. • Read this “PRECAUTIONS FOR SAFETY” carefully before installation. • The precautions described below include the important items regarding safety. Observe them without fail. • After the installation work, perform a trial operation to check for any problem. • Follow the Owner’s Manual to explain how to use and maintain the unit to the customer. • Turn off the main power supply switch (or breaker) before the unit maintenance. • Ask the customer to keep the installation manual.
• THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY
OZONE LAYER. The characteristics of R410A refrigerant are; easy to absorb water, oxidizing membrane or oil, and its pressure is approx. 1.6 times higher than that of refrigerant R22. Accompanied with the new refrigerant, refrigerating oil has also been changed. Therefore, during installation work, be sure that water, dust, former refrigerant, or refrigerating oil does not enter the refrigerating cycle. To prevent charging an incorrect refrigerant and refrigerating oil, the sizes of connecting sections of charging port of the main unit and installation tools are changed from those of conventional refrigerant. Accordingly the exclusive tools are required for the new refrigerant (R410A). For connecting pipes, use new and clean piping designed for R410A, and please care so that water or dust does not enter. Moreover, do not use the existing piping because there are problems with the pressure-resistance force and impurity in it.
This appliance must be connected to the main power supply by means of a switch with a constant separation of at least 3mm.
MM-DXC010 DX Coil Controller (Individual / Header)
MM-DXC012 DX Coil Controller (Follower)
MM-DXV080 DX Coil Valve Kit (5.6kW, 7.1kW, 8.0kW)
MM-DXV140 DX Coil Valve Kit (11.2kW, 14.0kW, 16.0kW)
MM-DXV280 DX Coil Valve Kit (22.4kW, 28.0kW)
New Refrigerant Air Conditioner Installation
To Disconnect the Appliance from Main Power Supply
Item Description Qty Item Description Qty Item Description Qty
TA Sensor (Resin) 1 PMV 1 Fix Plate (Ø6) 2
TC1 Sensor (Ø4) 1 Sensor Holder (Ø4) 1 Strainer 2
TC2 Sensor (Ø6) 1 Sensor Holder (Ø6) 2 P Clamp (TA) 1
TCJ Sensor (Ø6) 1 Fix Plate (Ø4) 1
4
VRF DX Coil Interface Installation Manual
4 INSTALLATION For DX-Coils (>10HP) Y-branching MUST be used to ensure even refrigerant distribution between pathways (Header branching cannot be used with the DX-Interface).
Use the following tables to determine the appropriate VRF DX Interface components based on the required AHU capacity:-
2.0 - 10.0HP Individual
All VRF 2.0 2.5 3.0 4.0 5.0 6.0 8.0 10.0
MM-DXC010 - 1 1 1 1 1 1 1 1 MM-DXC012 - MM-DXV080 2.0 1 MM-DXV080 2.5 1 MM-DXV080 3.0 1 MM-DXV140 4.0 1 MM-DXV140 5.0 1 MM-DXV140 6.0 1 MM-DXV280 8.0 1 MM-DXV280 10.0 1
Nominal Capacity (kW)
Cool*1 5.6 7.1 8.0 11.2 14.0 16.0 22.4 28.0 Heat*2 6.3 8.0 9.0 12.5 16.0 18.0 25.0 31.5
DX Coil Internal Volume
(cc)
Min 850 1063 1275 1700 2125 2550 3400 4250 Std 1000 1250 1500 2000 2500 3000 4000 5000 Max 1150 1438 1725 2300 2875 3450 4600 5750
Recommended Liquid Orifice Ø mm 3.2 ~ 3.5 3.4 ~ 3.8 3.5 ~ 4.0 4.5 ~ 5.0 5.0 ~ 5.6 5.5 ~ 6.0 6.5 ~ 7.0 7.0 ~ 8.0
Gas Pipe Ø mm 12.7 15.9 15.9 15.9 15.9 15.9 19.1 22.2 Liquid Pipe Ø mm 6.4 9.5 9.5 9.5 9.5 9.5 12.7 12.7
Standard Air volume flow rate *5 m3/hr 900 1125 1320 1600 2100 2800 3600 4200
12.0 - 30.0HP Group SMMSi 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0
MM-DXC010 - 1 1 1 1 1 1 1 1 1 1 MM-DXC012 - 1 1 1 1 1 2 2 2 2 2 MM-DXV140 6.0 2 1 1 MM-DXV280 8.0 1 2 1 2 3 2 1 MM-DXV280 10.0 1 2 1 2 3
Nominal Capacity (kW)
Cool*1 32.0 38.4 44.8 50.4 56.0 60.8 67.2 72.8 78.4 84.0 Heat*2 36.0 43.0 50.0 56.5 63.0 68.0 75.0 81.5 88.0 94.5
DX Coil Internal Volume
(cc)
Min 5100 5950 6800 7650 8500 9350 10200 11050 11900 12750 Std 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 Max 6900 8050 9200 10350 11500 12650 13800 14950 16100 17250
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 5600 6400 7200 7800 8400 10000 10800 11400 12000 12600
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VRF DX Coil Interface Installation Manual
32.0 - 48.0HP Group SMMSi 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0 48.0
MM-DXC010 - 1 1 1 1 1 1 1 1 1 MM-DXC012 - 3 3 3 3 3 4 4 4 4 MM-DXV140 6.0 MM-DXV280 8.0 4 3 2 1 4 3 2 1 MM-DXV280 10.0 1 2 3 4 1 2 3 4
Nominal Capacity (kW)
Cool*1 89.6 95.4 100.8 106.4 112.0 117.6 123.2 128.8 134.5 Heat*2 100.0 106.5 113.0 119.5 126.0 131.5 138.0 144.5 151.0
DX Coil Internal Volume (cc)
Min 13600 14450 15300 16150 17000 17850 18700 19550 20400 Std 16000 17000 18000 19000 20000 21000 22000 23000 24000 Max 18400 19550 20700 21850 23000 24150 25300 26450 27600
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 14400 15000 15600 16200 16800 18600 19200 19800 20400
12.0 - 28.0HP
Group SMMSe 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0
MM-DXC010 - 1 1 1 1 1 1 1 1 1 MM-DXC012 - 1 1 1 1 1 2 2 2 2 MM-DXV140 6.0 2 1 1 MM-DXV280 8.0 1 2 1 2 3 2 1 MM-DXV280 10.0 1 2 1 2
Nominal Capacity (kW)
Cool*1 33.5 40.0 45.0 50.4 56.0 61.5 67.0 73.5 78.5 Heat*2 37.5 45.0 50.0 56.0 63.0 64.0 75.0 82.5 87.5
DX Coil Internal Volume (cc)
Min 5100 5950 6800 7650 8500 9350 10200 11050 11900 Std 6000 7000 8000 9000 10000 11000 12000 13000 14000 Max 6900 8050 9200 10350 11500 12650 13800 14950 16100
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 5600 6400 7200 7800 8400 10000 10800 11400 12000
30.0 - 46.0HP
Group SMMSe 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0
MM-DXC010 - 1 1 1 1 1 1 1 1 1 MM-DXC012 - 2 3 3 3 3 3 4 4 4 MM-DXV140 6.0 MM-DXV280 8.0 4 3 2 1 4 3 2 MM-DXV280 10.0 3 1 2 3 4 1 2 3
Nominal Capacity (kW)
Cool*1 85.0 90.0 95.4 101.0 106.5 112.0 117.5 123.0 130.0 Heat*2 95.0 100.0 106.5 113.0 114.0 126.0 127.0 128.0 145.0
DX Coil Internal Volume (cc)
Min 12750 13600 14450 15300 16150 17000 17850 18700 19550 Std 15000 16000 17000 18000 19000 20000 21000 22000 23000 Max 17250 18400 19550 20700 21850 23000 24150 25300 26450
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 12600 14400 15000 15600 16200 16800 18600 19200 19800
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VRF DX Coil Interface Installation Manual
48.0 - 60.0HP Group SMMSe 48.0 50.0 52.0 54.0 56.0 58.0 60.0
MM-DXC010 - 1 1 1 1 1 1 1 MM-DXC012 - 4 4 5 5 5 5 5 MM-DXV140 6.0 MM-DXV280 8.0 1 4 3 2 1 MM-DXV280 10.0 4 5 2 3 4 5 6
Nominal Capacity (kW)
Cool*1 135.0 140.4 146.0 151.5 157.0 162.5 168.0 Heat*2 150.0 156.0 163.0 164.0 176.0 177.0 178.0
DX Coil Internal Volume (cc)
Min 20400 21250 22100 22950 23800 24650 25500 Std 24000 25000 26000 27000 28000 29000 30000 Max 27600 28750 29900 31050 32200 33350 34500
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 20400 21000 22800 23400 24000 24600 25200
12.0 - 26.0HP Group SHRMi 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0
MM-DXC010 - 1 1 1 1 1 1 1 1 MM-DXC012 - 1 1 1 1 1 2 2 2 MM-DXV140 6.0 2 1 1 MM-DXV280 8.0 1 2 1 2 3 2 MM-DXV280 10.0 1 2 1 Capacity *2
(kW) Cool*1 33.5 40.0 45.0 50.4 56.0 61.5 68.0 73.5 Heat*2 37.5 45.0 50.0 56.5 63.0 69.0 76.5 81.5
DX Coil Internal Volume (cc)
Min 5100 5950 6800 7650 8500 9350 10200 11050 Std 6000 7000 8000 9000 10000 11000 12000 13000 Max 6900 8050 9200 10350 11500 12650 13800 14950
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 5600 6400 7200 7800 8400 10000 10800 11400
28.0 - 42.0HP
Group SHRMi 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0
MM-DXC010 - 1 1 1 1 1 1 1 1 MM-DXC012 - 2 2 3 3 3 3 3 4 MM-DXV140 6.0 MM-DXV280 8.0 1 4 3 2 1 4 MM-DXV280 10.0 2 3 1 2 3 4 1 Capacity *2
(kW) Cool*1 78.5 85.0 90.0 96.0 101.0 106.5 112.0 118.0 Heat*2 88.0 95.0 100.0 108.0 113.0 119.5 127.0 132.0
DX Coil Internal Volume (cc)
Min 11900 12750 13600 14450 15300 16150 17000 17850 Std 14000 15000 16000 17000 18000 19000 20000 21000 Max 16100 17250 18400 19550 20700 21850 23000 24150
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 12000 12600 14400 15000 15600 16200 16800 18600
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VRF DX Coil Interface Installation Manual
12.0 - 26.0HP Group SHRMe *6 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0
MM-DXC010 - 1 1 1 1 1 1 1 1 MM-DXC012 - 1 1 1 1 1 2 2 2 MM-DXV140 6.0 2 1 1 MM-DXV280 8.0 1 2 1 2 3 2 MM-DXV280 10.0 1 2 1 Capacity *2
(kW) Cool*1 33.5 40.0 45.0 50.4 56.0 61.5 68.0 73.5 Heat*2 37.5 45.0 50.0 56.5 58.0 69.0 76.5 82.5
DX Coil Internal Volume (cc)
Min 5100 5950 6800 7650 8500 9350 10200 11050 Std 6000 7000 8000 9000 10000 11000 12000 13000 Max 6900 8050 9200 10350 11500 12650 13800 14950
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 5600 6400 7200 7800 8400 10000 10800 11400
28.0 - 42.0HP
Group SHRMe *6 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0
MM-DXC010 - 1 1 1 1 1 1 1 1 MM-DXC012 - 2 2 3 3 3 3 3 4 MM-DXV140 6.0 MM-DXV280 8.0 1 4 3 2 1 4 MM-DXV280 10.0 2 3 1 2 3 4 1 Capacity *4
(kW) Cool*1 80.0 85.0 90.4 95.4 100.8 106.4 112.0 120.0 Heat*2 90.0 95.0 101.5 106.5 113.0 114.5 126.0 135.0
DX Coil Internal Volume (cc)
Min 11900 12750 13600 14450 15300 16150 17000 17850 Std 14000 15000 16000 17000 18000 19000 20000 21000 Max 16100 17250 18400 19550 20700 21850 23000 24150
Recommended Liquid Orifice mm *3 *3 *3 *3 *3 *3 *3 *3
Gas Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3 Liquid Pipe Ø mm *3 *3 *3 *3 *3 *3 *3 *3
Standard Air volume flow rate *5 m3/hr 12000 12600 14400 15000 15600 16200 16800 18600
*1 Cooling Capacity Conditions (Indoor 27 °Cdb / 19 °Cwb & Outdoor 35 °Cdb) at Standard Air Flow rate
*2 Heating Capacity Conditions (Indoor 20 °Cdb & Outdoor 7 °Cdb / 6 °Cdb) at Standard Air Flow rate
*3 DX-Coils > 10Hp must be designed with multiple pathways each 10HP or less. These pathways must have dedicated Headers and Liquid Capillary distributers. Therefore recommended sizes only needed for 2 - 10HP.
*4 SHRMe Capacity quoted as nominal cooling and maximum heating. *5 The standard Air volume flow rate is a guideline. The required capacity should determine DX-Interface size selection. *6 Single Port Flow Selectors (3-Series) MUST be used with the DX-Interface. It is not compatible with Multi Port Flow Selector (This limits the maximum SHRMe DX-Interface size to 42HP). Heating & Cooling Capacity are guideline figures, the design of each customer’s AHU and DX Coil will have an impact on the actual system performance.
Toshiba Carrier (UK) Ltd does not take any responsibility on the local design of the DX coil.
8
EA SA EA Exhaust Air
OA Outdoor Air OA RA
SA Supply Air Heat Recovery
Exchanger DX COIL
CA RA Return Air
NOTES
Design Conditions for customers DX Coil • The DX-Coil MUST be operated within the following limits to ensure reliability:-
o Cooling mode DX coil “air on” temp: Min: 15°CWB (18°CDB) ~ Max: 24°CWB (32°CDB) o Heating mode DX coil “air on” temp: Min: 15°CDB ~ Max: 28°CDB
• When used for Ventilation, the DX-Coil MUST be combined with other equipment such as heat recovery exchanger or
heaters / coolers to ensure that the CA limits are not exceeded:-
DX-Coil Design • The DX Coil must be suitable for R410A. • The design should allow operation as both an Evaporator and a Condenser
(Features: Multiple circuits / Liquid Capillary Distributor / Gas Header). • The counter flow principle must be observed. • Design target Evaporation temperature: 6.5°C. • Design target Condensation temperature: 52°C. • A Drain Pan must be fitted (even if only…