26
q) Check that the gas pressure remains
satisfactory for all appliances on the same
circuit.
r) Undertake combustion tests checking CO,
CO
2
and efficiency. CO should not exceed
(20PPM).
s) Check that the burners are extinguished
when the thermostat is set to its lowest
setting, and then remove the manometers.
On completion mark the gas valve
adjustment screw with paint/sealant to
prevent tampering with valve.
t) Turn the thermostat to its highest setting
to re light the burner and replace the
adjustment screw cover.
u) Turn the thermostat to its lowest setting
and shut off the gas supply at the gas
control valve, allow the fan to continue to
run until the heater is cooled sufficiently for
the fan to shut down.
v) Turn off the electrical supply.
w) Close the side panel.
x) Set thermostat to desired setting.
y) Ensure that the user is familiar with the
heater and its controls and that the user is
satisfied with the commissioning and
testing, and that he is aware of the
instructions within the manual.
It is strongly advised that the commissioning
engineer runs through the lighting,
shutdown, and general safe and efficient
running of the heater before hand over.
3.4 Hand over
Up on sa tisf act ory co mp let ion of
commissioning and testing, a record of
commissioning information (contact name
date etc) should be made in the log book left
with the heater by the commissioning
engineer together with the user instructions.
At the same time the user should be made
aware of the most efficient and economical
methods of operation.
The user must be familiar and satisfied with
the safety, ignition, shutdown, and general
operational procedures.
Summary of Contents for HT2000
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