Specifications

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Step 2 Remove fan screws and unplug from
burner box.
Step 3 The combustion fan can now be
detached.
Step 4 Remove the fan orifice plate and
ducted air connection (If fitted)
Step 5 Inspect the impeller and remove any
dust with a soft brush.
Step 6 Remove any dust from fan scroll and
from around the motor.
Step 7 Ensure the impeller rotates freely.
Step 8 Refit components.
4.7 Radiant Tube Servicing
Step 1 Brush any dust from the exterior of the
tubes.
Step 2 Visually inspect inside the tubes. If they
appear clean, skip to servicing the reflector.
Step 3 If required the interior of the 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
Section 3 of these instructions.