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OWNER’S MANUAL
GRH/OV 007GOOD PILOT/LP
BURNER FLAME PATTERN
Figure 20 shows a correct burner flame
pattern. Figure 21 shows an incorrect burner
flame pattern.
Figure 20 - Correct Burner Flame Pattern
Figure 21 - Incorrect Burner Flame Pattern
If burner flame pattern is incorrect, as shown
in Figure 21
• turn heater off (see To Turn Off Gas
to Appliance, page 10)
• see Troubleshooting, pages 12
through 14
INSPECTING
BURNER
Check pilot flame pattern and burner flame
pattern often.
PILOT FLAME PATTERN
Figure 18 shows a correct pilot flame pat-
tern. Figure 19 shows an incorrect pilot
flame pattern. The incorrect pilot flame is
not touching the thermocouple. This will
cause the thermocouple to cool. When the
thermocouple cools, the heater will shut
down.
Thermocouple
Figure 19 - Incorrect Pilot Flame Pattern
Figure 18 - Correct Pilot Flame Pattern
Thermocouple
GRH/OV 008BAD PILOT/LP
If pilot flame pattern is incorrect, as shown
in Figure 19
• turn heater off (see To Turn Off Gas
to Appliance, page 10)
• see Troubleshooting, pages 12
through 14
Pilot Burner
Pilot Burner
CLEANING AND
MAINTENANCE
ODS/PILOT AND BURNER
ORIFICE
• Use a vacuum cleaner, pressurized
air, or small, soft bristled brush to
clean.
CABINET
Air Passageways
• Use a vacuum cleaner or pressurized
air to clean.
Exterior
• Use a soft cloth dampened with a
mild soap and water mixture. Wipe
the cabinet to remove dust.
WARNING ICON G 001
WARNING: Turn off heater
and let cool before cleaning.
WARNING ICON G 001
CAUTION: You must keep
control areas, burner, and circu-
lating air passageways of heater
clean. Inspect these areas of
heater before each use. Have
heater inspected yearly by a quali-
fied service person. Heater may
need more frequent cleaning due
to excessive lint from carpeting,
bedding material, etc.