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OPERATING HEATER
Continued
WARNING: Always operate
manual control heaters at the
locked positions. Operation
between these positions may
create a possible health hazard
if used in a poorly ventilated
room. Read owner's manual for
complete instructions.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
Figure 20 - Pilot (actual pilot may vary)
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
OFF position.
2. Turn off all electric power to the appliance if
service is to be performed.
Shutting Off Burner Only (pilot stays lit)
Turn control knob clockwise
position.
114683-01D
Thermocouple
Ignitor Electrode
Pilot Burner
to the PILOT
www.desatech.com
THERMOSTAT CONTROL
The thermostatic control used on these models
differs from standard thermostats. Standard ther-
mostats simply turn on and off the burner. The
thermostat used on this heater senses the room
temperature. The thermostat adjusts the amount of
gas flow to the burner. This increases or decreases
the burner flame height. At times the room may
exceed the set temperature. 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 heat level between 1
and 5. Selecting the 5 setting will cause the burner
to remain fully on without modulating down in
most cases.
Note: The thermostat sensing bulb measures the
temperature of air near the heater cabinet. This
may not always agree with room temperature
(depending on housing construction, installation
location, room size, open air temperatures, etc.).
Frequent use of your heater will let you determine
your own comfort levels.
1. Remove front panel (see Figure 7, page 9).
2. Follow steps 1 through 7 under Lighting
Instructions, page 14.
3. With control knob pressed in, strike match.
Hold match to pilot until pilot lights.
4. Keep control knob pressed in for 30 seconds
after lighting pilot. After 30 seconds, release
to the
control knob. Now follow step 9, under Light-
ing Instructions, page 14.
5. Replace front panel.
OPERATION
MANUAL LIGHTING
PROCEDURE
15
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