Doc No 700111 (06-15), Page 44
4.7 Emitter Tube Servicing
Step 1:
Brush any dust from the exterior of the
emitter tubes.
Step 2:
Inspect the fan and burner emitter
tubes visually. If the emitter tubes appear clean,
skip to servicing the reflector.
Step 3:
If required the interior of the emitter
tubes can then be cleaned using an industrial
vacuum cleaner or by using long poles and a
scraper.
4.8 Reflector Servicing
The condition of the reflectors should be noted.
If necessary the reflectors can be cleaned with a
mild detergent. This can significantly improve
the efficiency of the appliance.
4.9 Cleaning of Vent
Inspect the fresh air inlet duct and vent to
ensure they are free from any blockage or
obstruction. The air inlet terminal and vent
terminal should be inspected to ensure they are
not liable to obstruction.
4.10 Re-commissioning After Service
After servicing of the heater has been
undertaken,
it
will
be
necessary
to
re-commission the heater as detailed in the
commissioning chart in these instructions.
continued reliability. Detach the electrode
assembly from the burner head by removing
the two screws as shown and separating the
igniter assembly lead connectors.
Step 4:
Refit the electrode assembly and
ensure the connections are secure to prevent
incorrect sparking of the spark electrode.
Step 5:
Check the positions and spark gap as
shown in diagram below.
Step 6:
The burner assembly is ready to refit
after servicing the combustion fan and the
radiant tube assembly.
Step 7:
Refit components.