18
OPERATING HEATER
Lighting Instructions (Cont.)
To Turn Off Gas To Appliance
Thermostat Control
Manual Lighting Procedure
OPERATING HEATER
Continued
Note: Home owners generally prefer to operate their heater with the chimney damper closed. This will put all the heat into the room. However, there may be times you will desire the full flames of the HI heat setting but will find the heat output excessive. You can open the chimney damper (if you have one) fully or partially to release some of the heat.
WARNING: Damper handle will be hot if heater has been running.
1.STOP! Read the safety information on page 17, column 2.
2.Make sure equipment shutoff valve is fully open.
3. Turn control knob clockwise Clockwise
to the OFF position.
4.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Fol- low “B” in the safety information, page 17, column 2. If you don’t smell gas, go to the next step.
5.Turn control knob counterclockwise 
to the PILOT position. Press in control knob for five (5) seconds (see Figure 28).
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 more. This will al- low air to bleed from the gas system.
6.With thermostat 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.
7.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob.
•If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 3 through 7. This heater has a safety interlock system. Wait one (1) minute for sys- tem to reset before lighting pilot again.
8.Turn control knob counterclockwise 
to desired heating level. The front burner should light. Set control knob to any heat level between HI and LO.
9.To light the rear yellow flame burner, push in and turn
rear burner control knob counterclockwise 
to the ON position.
CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.
Ignitor Button | Control Knob |
| Rear Burner |
| Control Knob |
Models: CSG3924NT, CSG3924PT,
VRL24NT, VRL24PT, VRL30NT and VRL30PT
Figure 28 - Control Knob(s) and Ignitor Button Locations
Pilot Burner | Ignitor | Ignitor Electrode | |
Thermocouple | |||
| Electrode | ||
Thermocouple | Pilot Burner | ||
|
Figure 29 - Pilot (Propane/LP) Figure 30 - Pilot (Natural)
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1.Turn control knob clockwise 
to the OFF position.
2.Turn rear burner control knob clockwise 
to the OFF position.
Shutting Off Burners Only (pilot stays lit)
1.Turn control knob clockwise 
to the PILOT position.
2.Turn rear burner control knob clockwise 
to the OFF position.
THERMOSTAT CONTROL
OPERATION
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 18.
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 steps 8 and 9 under Lighting Instructions, column 1.
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