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21
101308
OPERATING
HEATER
Thermostat-
Controlled Models
Continued
TO TURN OFF GAS TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
Clockwise
to the OFF position.
Shutting Off Burners Only (pilot stays lit)
1. Turn control knob clockwise
Clockwise
to the PILOT position.
THERMOSTAT CONTROL OPERATION
(Thermostat-Controlled Models Only)
The thermostat control knob can be set to any comfort level between Hi and Lo. The
thermostat will gradually modulate the heat output and flame height from higher to
lower settings, or pilot, in order to maintain the comfort level you select. The ideal
comfort setting will vary by household depending upon the amount of space to be
heated, the output of the central heating system, etc.
Note:
Selecting the Hi setting with the control knob will cause the burner to remain
fully on, without modulating down in most cases.
MANUAL LIGHTING PROCEDURE
1. Follow steps 1 through 5 under Lighting Instructions, page 20.
2. Depress control knob and light pilot with match.
3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30
seconds, release control knob. Now follow step 8, above.
5. Turn control knob counterclockwise
C-clockwise
to the PILOT position. Press in
control knob for five (5) seconds (see Page 20).
Note:
You may be running this heater for the first time after hooking up to gas
supply. If so, the control knob may need to be pressed in for 30 seconds or less.
This will allow air to bleed from the gas system.
• If control knob does not pop out when released, contact a qualified service
person or gas supplier for repairs.
6. With control knob pressed in, press and release ignitor button. This will light pilot.
The pilot is attached to the front burner. If needed, keep pressing ignitor button
until pilot lights.
Note:
If pilot does not stay lit, contact a qualified service person or gas supplier
for repairs. Until repairs are made, light pilot with match. To light pilot with
match, see Manual Lighting Procedure, below.
7. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds,
release control knob.
Note:
If pilot goes out, repeat steps 3 through 7. This heater has a safety inter-
lock system. Wait one (1) minute for system to reset before lighting pilot again.
Thermocouple
Figure 21 - Pilot
Ignitor Electrode
Pilot Burner
8. Turn control knob counterclockwise
C-clockwise
to desired heating level. The burners
should light. Set control knob to any heat level between HI and LO.
WARNING ICON G 001
CAUTION
Do not try to adjust heating levels by using the manual shutoff valve.