62 Appendixes
GAS BOILER SYSTEM COMMISSIONING CHECKLIST
CONTROLS
Tick the appropriate boxes
Time and Temperature Control to Heating
Room Thermostat and
Programmable
Load/Weather
Optimum Start
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Room Thermostat
Compensation
Control
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Combination Boiler
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Not Required
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Not Required
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Not Required
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ALL SYSTEMS
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What system cleaner was used?
What inhibitor was used?
Quantity
litres
CENTRAL HEATING MODE
Measure and Record:
Gas Rate
m
3
/hr
OR
ft
3
/hr
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mbar
OR
Gas Inlet Pressure
mbar
Central Heating Flow Temperature
°C
Central Heating Return Temperature
°C
COMBINATION BOILERS ONLY
Is the installation in a hard water area (above 200ppm)?
Yes
No
If yes, has a water scale reducer been fitted?
Yes
No
What type of scale reducer has been fitted?
DOMESTIC HOT WATER MODE Measure and Record:
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mbar OR
Gas Inlet Pressure (at maximum rate)
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°C
Hot water has been checked at all outlets
Yes
Temperature
°C
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CONDENSING BOILERS ONLY
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ALL INSTALLATIONS
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OR CO/CO
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Ratio
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The manufacturer’s literature, including Benchmark Checklist and Service Record, has been explained and left with the customer
Yes
*
All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme.
A Building Regulations Compliance Certificate will then be issued to the customer.
©Heating and Hotwater Industry Council (HHIC)
www.centralheating.co.uk
Commissioning Engineer’s Signature
Customer’s Signature
(To confirm satisfactory demonstration and receipt of manufacturer’s literature)
This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating
compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference.
Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights.
Customer Name
Telephone Number
Address
Boiler Make and Model
Boiler Serial Number
Commissioned by
(print name)
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Company Name
Telephone Number
Company Address
Commissioning Date
To be completed by the customer on receipt of a Building Regulations Compliance Certificate
*
:
Building Regulations Notification Number
(if applicable)
10.5 Outdoor Temperature Sensor (Optional)
Outdoor Temperature Sensor Installation
1. Pull out the sensor body from the cap.
2. Attach the body to the wall using the screws/anchors provided with the device.
3. Run the wires into the device body through the grommet opening.
4. Connect the wires to the terminal block.
5. Attach the cap to the body.
Navien Outdoor Temperature Sensor
Outdoor Temperature Sensor Installation Guidelines
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Avoid areas with temperature fluctuations by direct sunlight, and where the temperature may not be representative of true outdoor
temperature.
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Best location to install the temperature sensor is on a North or Northeast side of a structure under eaves where the sensor is shielded
from direct sunlight.
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Avoid placing sensor in close proximity of heat sources that may affect correct temperature sensing. (fans, exhausts, vents, lights)
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Avoid installing the sensor in areas where the sensor is subjected to excessive moisture.
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Use 18 gauge wiring (thermostat wiring) with no splices. (except at the unit harness connection with yellow leader wire.)
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Caution should be taken to avoid potential electromagnetic interference (EMI) by routing separately from potential sources such as line
voltage wiring. When necessary, shielded cable may be used.
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Make sure wiring connections are secure before closing the cap.
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The sensor is a water resistant device.
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Any damage to the device may require the replacement of the entire component.
