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4. AIR BORNE PARTICLES
Under certain conditions, heater may discolour due to
ambient air borne particle deposits on the outside sur-
face. These deposits in no way affect the operation of
the heater nor the manufacturer's warranties.
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 distinct
hissing sound.
B. Little or no visible burning on the ceramic
tile.
C. Combustion is taking place inside the burner
body.
5. SERVICING GUIDE
Servicing of heater is essential for continued effi-
cient operation. Servicing should be carried out
annually by qualified service personnel.
A. Clean the ceramic tile with compressed air.
Avoid directing air stream at gasketing
Cause & remedy of back-firing:
A. Improper gas pressure entering the venturi
tube = check pressure.
B. Breakage of a ceramic tile and or gasketing =
replace damaged part.
C. Faulty sealing of the ceramic tile to the burner
body, caused by breakdown of gasketing ma-
terial = contact your Schwank distributor.
material between tile and heater body. The
air pressure must be lower then 20 psi.
B. Clean the venturi tube with compressed air.
C. Clean the reflectors.
Page 5
SP-MECM-BX-05A
ecoSchwank - Millivolt Manual
RD: MAY, 2004
RL: 5
KH
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