Reznor, Photon, Installation Manual, EN 2024-01, D301310 Iss 5 Page No 33 of 52
MS
Maintenance schedule
Before commencing, turn off the
main gas supply and switch off the
main electricity supply after the air
circulation fan has stopped.
Always consult your distributor at
the slightest doubt.
The unit will operate with a minimum
of maintenance. It is recommended that
maintenance is carried out at least once a year
by a suitably qualified person. More frequent
servicing may be required dependent upon the
environmental circumstances where the unit
is installed. Regular inspection is necessary,
especially in dirty areas, to assess the servicing
frequency.
Check condition and security of flue and
combustion air system. Check for security and
worthiness of the suspension or mounting
system.
The following procedures should be carried out
at least once each year:
• Clean all dirt, lint, and grease from the fan
and motor.
• Check the heat exchanger internally and
externally for evidence of physical damage.
• Check the burner for scale, dust, or lint
accumulation. Clean if required.
• Check the vent or vent/combustion air
system for soundness. Replace any parts that
do not appear sound.
• Check the wiring for any damage. Replace
damaged wiring.
Heat exchanger maintenance
Remove any external dirt or dust accumulation.
Visually check the heat exchanger for cracks and
holes. If a crack or hole is observed, replace the
heat exchanger.
Replacement of gas valve
1. Unplug the gas valve and combustion fan
power cables.
2. Disconnect the gas supply union inside the
cabinet and unscrew the gas pipe.
3. Unscrew the outer 8mm nuts securing the
combustion fan to the burner.
4. Remove the gas valve / combustion fan
assembly from the unit.
Combustion
fan
Gas
valve
Union
Fixings
8mm nuts
8mm nuts
Photon 10-70 gas valve flange assembly
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