30
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.
Step 4 Refit components.
4.8 Heat exchanger Servicing
Step 1 Remove the vent connections
Step 2 Slacken casing support screws and
remove heat exchanger from the radiant tube.
Step 3 Remove any dust and dirt from the
heat exchanger & refit.
4.9 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.
4.10 Sweeping 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.
4.11 Recommissioning After Service
After servicing of the heater has been
undertaken, it will be necessary to
re-commission the heater as detailed in Section
11 of these instructions.