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4.5 FINAL CHECKS
– Re-light and test for gas soundness.
– Re-fit the casing front panel and securing brackets.
– Set the C.H. and D.H.W. potentiometers to the required
settings.
– Ensure that the time clock is set at the desired time peri-
ods. Set the room thermostat (if fitted) to the required
setting.
4.6 USER’S INSTRUCTIONS
Upon completion of commissioning and testing the system,
the installer should:
– Give the “Users Instructions” to the householder.
– Explain and demonstrate the lighting and shutdown proce-
dures.
– Advise the householder on the efficient use of the system,
including the use and adjustment of all system controls
for both D.H.W. and C.H.
– 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 frost conditions.
– Explain the function of the boiler overheat thermostat, and
how to reset it. Emphasise that if cut-out persists, the boil-
er should be turned off and the installer or service engi-
neer consulted.
– Stress the importance of an annual service by a regis-
tered heating engineer.
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