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4. LIGHTING INSTRUCTIONS
A. Open the isolation valve in the main gas
line. Turn gas control knob on the combi-
nation gas valve, to the "ON" position.
B. Switch on electrical circuit by turning the
thermostat to the highest temperature set-
ting.
WARNING:
If heater back-fires during operation, then it must be turned off
immediately.
Indication of back-firing:
A. Loud ignition noise, then followed by dis-
tinct hissing sound.
B. Little or no visible burning on the ceramic
tile.
C. Combustion is taking place inside the
burner body.
5. SHUT DOWN INSTRUCTIONS
A. Turn off electrical circuit for temporary
shutdown.
6. AIR BORNE PARTICLES
Under certain conditions, heater may discolour
due to ambient air borne particle deposits on the
outside surface of the delta chamber. These de-
posits in no way affect the operation of the
heater nor the manufacturer's warranties.
7. SERVICING GUIDE
Servicing of heater is essential for continued
efficient operation, servicing should be car-
ried out annually by qualified service person-
nel.
A. Clean the ceramic tile with compressed
air, avoid directing air stream at the gasket
C. The heater should attempt ignition and
remain lit within thirty seconds. Note that
the corresponding exhaust fan is operat-
ing properly.
D. If ignition does not occur, then cut off
electrical power by turning the thermostat
to off position.
Cause & remedy of back-firing:
A. Improper gas pressure entering the ven-
turi tube: - check pressure.
B. Breakage of a ceramic tile and or gasket-
ing: - replace damaged part.
C. Faulty sealing of the ceramic tile to the
burner body, caused by breakdown of
gasketing
Schwank distributor.
B. Turn off the electrical circuit and turn
gas control knob to the "OFF" position
material between tile and heater body.
Air pressure must be lower than 20psi.
B. Clean the venturi tubes with compressed
air.
C. Clean the reflectors.
Page 5
material:
-
contact
SP-MSU4-CX-09D
Supra/Primo - 40 Manual
your
RD: FEB 2009
RL: 9E
BA
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