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WORKING MANUALS AND TOOLSFor
JABATAN KESIHATAN NEGERI SARAWAK
ENERGY MANAGEMENT SYSTEM
Doc num: JKNSSEMS/WM 1 Effective date: 1st
July 2014 Revision num: 00
Review date: Page 2
Content Page1. Operational guide
1.1 Objectives
1.2 Scope of guide
1.3 Standard and reference document
1.4 Normal working procedures to control energy consumption
3
3
4
5
2. Specific Energy Conservation Measures: For future implementation
3. Leading Techniques For Energy Savings in Commercial Office Buildings
8
10
4. Process Mapping, work instruction and log sheet4.1 Objectives
4.2 Development of PM
4.3 Work Instruction (WI) and Log Sheet (LS)
13
13
13
5. Revision Record 21
6. Lampiran
a. Memo Perlantikan Sebagai Ahli Jawatankuasa Tenaga (Energy
Committee)
b. Memo Polisi Tenaga Jabatan Kesihatan Negeri Sarawak
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WORKING MANUALS AND TOOLSFor
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ENERGY MANAGEMENT SYSTEM
Doc num: JKNSSEMS/WM 1 Effective date: 1st
July 2014 Revision num: 00
Review date: Page 3
1. Operational guide
1.1 Objectives
To set up energy conservation practices for Energy Accounting Centres.
To set up a firm base for the preparation of energy conservation targets and plans for eachEAC.
1.2 Scope of guide
This operational guide is applicable for working areas of the following EACs:
List of EACs and controlled equipment or system of EACs:
EACs
Controlled
equipment or
system
Quantity UnitEquipment ref
no.
EAC 1 AHU 4 Unit
Lighting system 1 System
CWFCU 9 UnitACSU 23 Unit
Exhaust fan 30 Unit
Photocopier 9 Unit
EAC 2 AHU 9 Unit
Lighting system 1 System
CWFCU 1 Unit
ACSU 14 Unit
Exhaust fan 26 Unit
Photocopier 11 Unit
EAC 3 AHU 6 Unit
Lighting system 1 SystemCWFCU 2 Unit
ACSU 16 Unit
Exhaust fan 22 Unit
Photocopier 9 Unit
EAC 4 Chiller 2 Unit
Lighting system 1 System
Electrical system 1 System
Exhaust fan 7 Unit
EAC 5 Lighting system 1 System
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WORKING MANUALS AND TOOLSFor
JABATAN KESIHATAN NEGERI SARAWAK
ENERGY MANAGEMENT SYSTEM
Doc num: JKNSSEMS/WM 1 Effective date: 1st
July 2014 Revision num: 00
Review date: Page 4
Figure 1: Layout of EACs
1.3 Standard and reference document
Surat Pekeliling Am Bil 2 Tahun 2014, Jabatan Perdana Menteri
Pekeliling Perbendaharaan Bil 2 Tahun 2014, Kementerian Kewangan Memo dalaman Jabatan Kesihatan Negeri Sarawak 3 Mac 2014, Langkah-langkah
Penjimatan Utiliti Jabatan, Pejabat Pengarah Kesihatan Negeri Sarawak
Memo dalaman Seksyen Kejuruteraan JKN Sarawak, 20 Mac 2014, Kawalan
Chiller Plant
Malaysian Industrial Energy Audit Guidelines, 2003, KETTHA
Energy Efficiency And Conservation Guidelines for Malaysian Industries, 2007,
KETTHA
MS 1525:2007
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WORKING MANUALS AND TOOLSFor
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ENERGY MANAGEMENT SYSTEM
Doc num: JKNSSEMS/WM 1 Effective date: 1st
July 2014 Revision num: 00
Review date: Page 5
1.4 Normal working procedures to control energy consumption
1.4.1 Lighting
a. Switch off lighting during break hoursb. Switch off entirely or partially lighting in rooms or area that has sufficient daylighting
c. Switch on lighting in areas or rooms that is in use only
d. Switch off light in store rooms, pantries, filing rooms, meeting rooms, discussion rooms ect
when not in use.
e. Switch off lighting in toilet when enough daylighting is available.
1.4.2 Air conditioning
a. Shut off Air Conditioning (WCFCU/ACSU) after meeting
List of meeting rooms as follows
- Bilik mesyuarat Utama
- Bilik Mesyuarat Bahagian Perubatan
- Bilik Mesyuarat Bahagian Pergigian
- BIlik Mesyaurat Bahagian Kesihatan Awam
- Bilik Mesyuarat Pengurusan
- Bilik Mesyuarat
b. Shut of Air Conditioning in store room when not occupied by anybody.
c. Shut off exhaust fan in store room/document room ect. when not occupied by anybody.
d. Chiller shall be operated according to set time as follows; Flow chart I following page shows
the operation procedure of the chillers and AHUs.
Morning : 8am-1pm
Afternoon : 2.30pm 4.30pm
e. Air conditioning should be set to 24 -25C to avoid overcooling.
f. Ensure all doors and windows are properly shut to prevent warm and humid air from
entering the room.
g. Utilise normal standing fan provided to increase thermal comfort.
h. Normal air flow from AHU should be between 200-350CFM.
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Review date: Page 6
Operation procedure for chiller
YES
CHILLER RUN
AUTOMATIC CHILLER
START ON 8.00 AM.
AHU SHALL START AT
LEAST 15 MINUTES
EARLY.
BREAKDOWN / TRIP /
EMERGENCY SHUTDOWN
/ ANY UNFAMILLIAR
VIBRATION OR SOUND
12.45 PM CHILLER STOP (TOUCH
SCREEN ONLY) CHANGE THE
CHILLER SELECTOR TO 0
ENGINEERING
ASSESS SEVERITY
OF PROBLEM
2.30 PM CHILLER START (TOUCH
SCREEN ONLY) CHANGE THE
SELECTOR TO 1/2
AUTOMATIC CHILLER
STOP ON 4.30 PM.
AHU SHALL STOP AT
LEAST 15 MINUTES
AFTER CHILLER.
NO
REFER TOMANUFACTURER
SEVERE
NOT SEVERE
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July 2014 Revision num: 00
Review date: Page 7
1.4.3 Lift
a. If possible choose the stair case instead of lift to go to upper floor.
1.4.4 Electrical appliances
a. Switch off computers power source when not in use for long period etc. an hour or more.b. Set electrical appliance and computers in standby/sleep mode if not using for couple of
minutes
c. Switch off all appliances when leaving the office.
d. Promote use of LCD monitor and laptop where these utilise much less energy than CRT
monitor.
e. Switch off all photocopier and printer after working hours.
f. Set all photocopier and printer to save mode or off to minimise use of energy.
g. Only print after print preview to save and optimize paper.
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Review date: Page 8
2. Specific Energy Conservation Measures: For future implementation
Building Envelope
Install Replacement Windows
Install Window Sun ShadesInstall/Increase Attic Insulation
Install Roof Insulation
Install Wall Insulation
Control Air Leakage
Space Cooling
Condenser water temperature reset
Chilled water temperature reset
Appication of Variable Speed Drive
Improve chiller efficiency through regular maintenanceMore efficient fan/blower/ cooling tower
More efficient pump
Eliminate flow control valve and bypass control
Start stop control of pump
Impeller trimming
Lighting
Replace Incandescent Lighting with Compact Fluorescent Lamps in Dwelling Units
Replace Incandescent Lighting with Fluorescent Lighting in Common Areas
Replace Standard Fluorescent Lamps with Energy-Saving Lamps and Install Electronic Ballasts inCommon Areas
Install Lighting Controls in Common Areas
Convert Exterior Lighting Fixtures
Install Photo-Controls for Exterior Lighting
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WORKING MANUALS AND TOOLS
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JABATAN KESIHATAN NEGERI SARAWAKENERGY MANAGEMENT SYSTEM
Doc num: JKNSSEMS/WM 1 Effective date: 1st
July 2014 Revision num: 00
Review date: Page 10
3. LEADING TECHNIQUES FOR ENERGY SAVINGS IN COMMERCIAL OFFICE BUILDINGS
Fundamental Control Applications
This is the starting point for the building owner who wants to move beyond programmable
thermostats or sensor-activated lighting controls. Techniques for fundamental control include:
Zone Scheduling
Permits defined sections of a building to have HVAC and lighting reduced or shut down on aschedule. Zone scheduling means that a whole building does not need to run at a 100% comfort
setting if on only a few occupants are in the facility.
Night/Unoccupied Setback
Changes the comfort settings (setpoints) of HVAC so that space temperature decreases in
winter and increases in summer, thereby reducing demand for heating and cooling during
unoccupied hours. This feature can also be done using a programmable thermostat, but with only a
few schedules and no flexibility to more aggressively change setback temperatures.
After-Hours Override
Allows temporary changes to comfort settings after-hours. This eliminates the need to modifyschedules, which can sometimes become permanent by accident. This also avoids having the entire
building run in occupied mode to meet the needs of a small group.
Occupancy Sensors
Detect motion or infrared signatures in the space, and trigger lights or HVAC accordingly. The BAS
also enables scheduled overrides or triggers based on card access to an area of the building.
Holiday Scheduling
A calendar defines HVAC and lighting control for an entire calendar year, saving staff time
implementing special schedules and ensuring holiday weekdays do not run in occupied mode
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Review date: Page 11
Advanced Control Applications
In most cases, the same BAS put in place for fundamental controls is also capable of more advanced
control applications, often with only software changes. Techniques for advanced control include:
Follow Sunrise & Sunset
Permits lighting schedules (such as parking lots, signs, and outdoor access lighting) to vary
throughout the year as the length of daylight changes. This prevents lights from being on during thedaytime. The BAS automatically computes sunrise and sunset based on the latitude and longitude of
the buildings location.
Daylight Harvesting
In zones of the building near exterior walls and windows, lighting can be dimmed or shut off based
on specified minimum lighting levels detected by photocells. Controlled use of motorized shades can
also optimize the availability of natural light without compromising energy efficiency.
Optimum Start
Starts HVAC equipment only as early as required to bring the building setpoints to comfort levels
for occupancy. Control routines take into account outside air temperature and inside spacetemperatures when initiating the morning warm-up or cool-down cycles. Optimum start takes the
guess-work out of scheduled startup
Optimum Stop
Determines the earliest possible time to initiate setback temperatures before unoccupied periods
while still maintaining occupant comfort. Also known as coasting. Space temperature drifts
gradually beyond comfort levels in anticipation of the unoccupied period.
Ventilation On Demand
CO2levels in the occupied space are used as an indicator of the number of occupants in a room.
Calculations are then performed that relate the CO2level to the fresh air intake damper, indicating
when more outdoor air is needed. CO2levels also assist heating and cooling anticipation in
thermostatic control to optimize comfort and air circulation.
Variable Air Volume (VAV) Supply Air Temperature Reset
The supply air temperature (SAT) of variable volume air handlers can be reset upwards when full
cooling is not required. The SAT setpoint is increased on cooler days based upon the actual building
load. Then when terminal boxes reach 100% open, the SAT is decreased. This minimizes the need for
mechanical cooling, optimizes the use of economizers, and improves tenant comfort by reducing
drafts due to the movement of excessively cold air.
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WORKING MANUALS AND TOOLS
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July 2014 Revision num: 00
Review date: Page 12
Demand Limiting or Load Shedding
Monitors electric meters and current draw on high-demand equipment, then relaxes setpoints to
immediately reduce demand. This technique can, for example, prevent a chiller from further loading,
but can also globally change setpoints throughout the building to shed electric load to avoid peak
utility charges. Non-critical equipment and lighting loads can also be shut off. Discussion and
planning usually occur with the customer in advance so the right strategies are implemented that fit
the business.
Chiller Optimization
The chilled water loop temperature can be raised as the cooling requirements for the building are
reduced, increasing chiller efficiency. A technique known as load reset raises the chilled water
temperature setpoint until one of the chilled water valves is 100% open.
Cooling Tower Optimization
The condenser water supply to the chiller can be decreased to a minimum setpoint, as defined by
the manufacturer. Then an optimal water supply setpoint can be calculated using a combination of
the outside air wet-bulb temperature and the cooling tower approach temperature. The reduced
water temperature improves the chillers partial load efficiency and also optimizes the coolingtowers operation.
Hot Water Reset
Hot water system temperatures can be reset based on outside air temperature, decreasing heat
losses in supply piping. This saves energy and also makes the office space more comfortable because
it reduces localized heating caused by excessively hot pipes.
Ref:http://www.schneider-electric.com.my/documents/buildings/office_building_energy_efficiency.pdf
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Review date: Page 13
4. Process Mapping (PM) for Energy
4.1 Objectives
To identify the type of energy that has been use in EAC
To identify how energy has been used in EAC
To specify critical parameters related to product quality and energyconsumption for each EAC
To identify documents needed for controlling of energy consumption in each
EAC
4.2 Development of PM
Process Mapping sheet below is customized for use in every EAC. Since there is no sub
metering was provided for each EAC, therefore energy input cannot be objectively
determined for each EAC. As such a cumulative energy consumption and EEI status shall
be provided in Energy Report to Top Management. However sub metering will be
proposed in Energy Committee for approval as part of Energy Conservative Measures.
4.3 Work Instruction (WI) and Log Sheet (LS)
Work Instruction in the following page shows the inspection process to be conducted on
all the process listed and monitoring of the controlling value. The data will be collected
using a range of equipment such as flow meter, temperature meter, lux meter as well as
other means of data collection that is available. Log sheet is also provided for the
inspectors to fill in actual data of all control parameters based on the frequency stated
in work instruction. Inspectors shall be appointed by Energy Committee.
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Process Mapping Sheet
EAC: EAC 1, EAC 2, EAC 3 Specify name of EAC
Baseline EEI : 4749 kWh/working days Specify number, unit
Sub EEI : Specify number, unitNo Energy Input Process Detail Output ControlParameter/standard/ref
Log sheet
(ref)kWh % Diagram
1 Cooling (AHU) Cooling indoor to
low temperature
Set to 24-26C
Operating hours Start 7.45am
Stop 4.15pm
2 Power (socket) Powering appliances
and compliance to
item 1.4 .4
8.00am-5.00pm
3 Lighting Lighting set to right
brightness andcompliance to item
1.4.1
300 lux
100 Total energy consumption
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Process Mapping Sheet
EAC: EAC 4 Specify name of EAC
Baseline EEI : kWh/working days Specify number, unit
Sub EEI : Specify number, unit
No Energy Input Process Detail Output ControlParameter/standard/ref
Log sheet
(ref)kWh % Diagram
1 Chiller Cold water 4-6 C
Operating hours Start 8am
Stop 12.45noon
Start 2.30pm
Stop 4.30pm
2
100 Total energy consumption
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Process Mapping Sheet
EAC: EAC 5 Specify name of EAC
Baseline EEI : kWh/working days Specify number, unit
Sub EEI : Specify number, unitNo Energy Input Process Detail Output ControlParameter/standard/ref
Log sheet
(ref)kWh % Diagram
1 Common area
lighting
Lighting set to right
brightness and
compliance to item
1.4
300 lux
100 Total energy consumption
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Log Sheet ref:
EAC: Inspector: .
Item Process
Machine/Equipment
Inspection Items Control
Value
Inspection
Date
Normal
X
Abnormal
Problem Correction Remark
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Log Sheet (example) ref:
EAC: Inspector: .
Item Process
Machine/Equipment
Inspection Items Control
Value
Inspection
Date
Normal
X
Abnormal
Problem Correction Remark
Example:
1 AHU BII/G1 24-26C 9/4/2014 nil nil
2 AHU BII/G2 24-26C 9/4/2014 nil nil
3 AHU BII/F1 24-26C 9/4/2014 20C overcooling Thermostat
damage
Further Inspection
and repair by
others
4 AHU BII/F2 24-26C 9/4/2014 nil nil
5 AHU BII/S1 24-26C 9/4/2014 nil nil
6 AHU BII/S2 24-26C 9/4/2014 nil nil
7 AHU BII/S3 24-26C 9/4/2014 nil nil
8 AHU BII/T1 24-26C 9/4/2014 nil nil9 AHU BII/T2 24-26C 9/4/2014 nil nil
10 Lighting BII/G 300 lux 9/4/2014 nil nil
11 Lighting BII/F 300 lux 9/4/2014 nil nil
EAC 2 ImranLS/JKNS/EAC 2/2014
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12 Lighting BII/S 300 lux 9/4/2014 900 Curtain
completely
closed with all
lamps switch on
lamps partially
switched on
and slide open
curtain
Copy log sheet
given to ketua
unit for action
13 Lighting BII/T 300 lux 9/4/2014 700 Curtain
completely
closed with all
lamps switch on
lamps partially
switched on
and slide open
curtain
Copy log sheet
given to ketua
unit for action
14 Power for electricalappliances
9/4/2014 X Photocopier not
on save mode
Set to save
mode/off
Copy log sheet
given to ketua
unit for action
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Revision Record
Revision No Page Detail Effective Date Note
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