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The thermostatic control used on this model
turn on and off the burner. The thermostat used
on this heater senses the room temperature. At
times the room may exceed the set tempera-
ture. If so, the burner will shut off. The burner
will cycle back on when room temperature
drops below the set temperature. The control
knob can be set to any 2 comfort level
between HI and LOW. All plaques will turn off
and on.
Note: The thermostat sensing bulb measures
the temperature of air near the heater cabinet.
This may not always agree with room temper-
ature (depending on housing construction,
installation location, room size, open air tem-
peratures, etc.) Frequent use of your heater
will let you determine your own comfort levels.
Shutting off burner only (pilot stays lit)
Turn thermostat control knob clockwise
to the PILOT position.
Shutting off heater
Turn thermostat control knob clockwise
to the OFF position.
INSPECTING HEATER
Check pilot flame pattern and burner flame
pattern often.
PILOT FLAME PATTERN
Figure shows a correct pilot flame pattern.
Figure 13 shows an incorrect pilot flame pat-
tern. The incorrect pilot flame is not touching
the thermocouple. This will cause the thermo-
couple to cool. When the thermocouple cools,
the heater will shut down.
If pilot flame pattern is incorrect, as shown in
figure 14.
• turn heater off (see above, to turn off the
gas to appliance )
• see troubleshooting, pages 16 through 18
Note: the pilot flame on natural gas units will
have a slight curve, but flame should be
blue and have no yellow or orange color.
12
TO SELECT HEATING LEVEL
CAUTION: Do not try to adjust heating levels
by using the equipment shutoff valve.
TO TURN OFF GAS TO APPLI-
ANCE
fig.13
fig. 14
Fig.12 Burner Patterns
Control Knob
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