Operation
Continued
WHAT TO DO IF YOU SMELL GAS
•Do not try to light any appliance.
•Do not touch any electric switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the fire department.
C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.
D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.
LIGHTING
INSTRUCTIONS
1.STOP! Read the safety information start- ing on page 13.
2.Make sure equipment shutoff valve is fully open.
3.Turn off any electric power to the appli- ance if service is to be performed.
4.Turn control knob clockwise 
to the OFF position.
5.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 starting on page
13. If you don’t smell gas, go to the next step.
6.Turn control knob counterclockwise 
to the PILOT position. Press in control knob for five (5) seconds.
7.With control knob pressed in, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner.
Note: You may be running this heater for the first time after hooking up to gas sup- ply. If so, you may need to press in control knob for 30 seconds or more. This will allow air to bleed from the gas system. If needed, keep pressing ignitor button until pilot lights. If ignitor does not light pilot, re- fer to Troubleshooting, page 18 or 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, page 15.
8.Keep control knob pressed in for 30 sec- onds after lighting pilot. After 30 seconds, release control knob.
•If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 4 thru
7. Wait one (1) minute before lighting pilot again.
9.Turn control knob counterclockwise 
to desired heating level. The main burner should light.
10.To leave pilot lit and shut off burners only,
turn control knob clockwise 
to the PILOT position.
CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve.
Ignitor | Control | |
Button | ||
Knob | ||
| ||
| F | |
| F | |
| O |
Figure 19 - Control Knob In The OFF
Position
Thermocouple | Ignitor Electrode |
Pilot Burner
Figure 20 - Pilot
14 | www.desatech.com |