OPERATING HEATER
Continued
LIGHTING
INSTRUCTIONS
1.STOP! Read the safety information, page 15, column 2.
2.Make sure equipment shutoff valve is fully open.
3.Turn thermostat control knob clockwise 
to the OFF position (see Figure 22).
4.Wait five minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information, page 15, column 2. If you donʼt smell gas, go to the next step.
5.Turn thermostat control knob counter-
clockwise 
to the pilot position. Press in thermostat control knob for 5 seconds (see Figure 22).
Note: You may be running this heater for the first time after hooking up to gas supply. If so, you may need to press in thermostat control knob for 30 seconds or more. This will allow air to bleed from the gas system.
•If thermostat control knob does not pop up when released, contact a qualified ser- vice person or gas supplier for repairs.
6.Keep thermostat control knob pressed in while pushing down and releasing the ig- nitor button (see Figure 22). This will light pilot. If necessary, continue to press ignitor button until pilot lights.
If pilot does not light
•turn thermostat control knob clockwise 
to the OFF position
•repeat steps 5 and 6
If pilot does not stay lit after several tries
•refer to Troubleshooting, page 19
•contact a qualified service person or gas supplier
Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 17.
7.Keep thermostat 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 interlock system. Wait one minute before lighting pilot again.
8.Turn thermostat control knob counter-
clockwise 
to the desired heating level. The main burner should light. Set control knob to any heat level between 1 and 5 (see Figure 24).
CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.
Ignitor Button | Control Knob |
| |
| F |
| F |
| O |
Figure 22 - Control Knob In The OFF
Position (Piezo Ignitor Shown)
Thermocouple
Ignitor Electrode
Pilot Burner
Figure 23 - Pilot
Control
Knob CRP16T CRP26T
CRN18T CRN30T
Figure 24 - Burner Patterns
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1.Turn thermostat control knob clockwise 
to the 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 thermostat control knob clockwise 
to the PILOT position.
16 | www.desatech.com |
