37
8. Loss of system water pressure
Explain that the dial underneath the boiler indicates the central
heating system pressure and that if the normal COLD pressure
of the system is seen to decrease over a period of time then a
water leak is indicated. Explain the re-pressurising procedure
and if unable to re-pressurise or if the pressure continues to
drop a registered local heating installer should be consulted.
9. Explain boiler restart procedure (refer to Frame 35).
10. After installation and commissioning please complete
the
Commissioning Checklist before
handover to the customer. For IE, its is necessary to complete
a “Declaration of Conformity” to indicate compliance to I.S.
813:2002.
IMPORTANT
11. A comprehensive service should be carried out ANNUALLY.
Stress the importance of regular servicing by a Gas Safe
Registered Engineer. In IE servicing work must be carried out
by a Registered Gas Installer (RGII).
12. Inform the householder of the guarantee/registration found
within the envelope pack and the requirement to register it to
receive the full benet of the warranty.
1. Make the householder aware that the user instructions
are located in the pocket in the drop down door and
explain his/her responsibilities under the relevant national
regulations.
2. Explain and demonstrate the lighting and shutting down
procedures.
3. The operation of the boiler and the use and adjustment
of all system controls should be fully explained to
the householder, to ensure the greatest possible fuel
economy consistent with the household requirements of
both heating and hot water consumption.
Advise the User of the precautions necessary to prevent
damage to the system and to the building, in the event of
the system remaining inoperative during frosty conditions.
4. Explain the function and the use of the boiler heating and
domestic hot water controls.
Explain that due to system variations and seasonal
temperature uctuations DHW ow rates/temperature
rise will vary, requiring adjustment at the draw off tap. It
is therefore necessary to draw the users attention to the
section in the Users Instructions titled “Control of Water
Temperature” and the following statement:
.
5. Explain the function of the boiler fault mode.
Emphasise that if a fault is indicated, the boiler should be
turned off and a Gas Safe Registered Engineer consulted.
In IE contact a Registered Gas Installer (RGII).
6. Explain and demonstrate the function of time and
temperature controls, radiator valves etc., for the
economic use of the system.
7. If a timer is tted draw attention to the timer Users
Instructions and hand them to the householder.
INSTALLATION
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