Camus Hydronics DFH/W1100, Installation, Operation And Service Manual

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At full input, block 50% of the fan inlet opening. The
display should show ‘LCI not closed’. If it does not,
slowly turn the adjustment on the normally closed
blocked flue switch counter clockwise until the blocked
flue indicator energizes.
•
Check the air proving switch. Remove the restriction
from the fan inlet and reset the power on the control
panel. A properly set air switch will cause the Low Air
Switch indicator to turn green at a fan speed between
15Hz and 20Hz on the VFD.
•
Check the ignition retries circuit.
•
Shut the main gas off to the unit and allow it to try for
ignition. Trial for ignition should commence within 30
seconds.
•
Allow the water temperature to rise so that the heater
cycles on the operator.
8.4 COMISSIONING APPLIANCE
•
Remove manometers and replace inlet gas pressure
test plug.
•
Fill out start up report for each heater. Be sure to
record all settings and readings. Retain a copy of
report for future reference.
•
Start up is now complete and heater may be placed
into service.