OPERATING HEATER

OPERATING HEATER

For Your Safety Read Before Lighting Lighting Instructions

13

OPERATING HEATER

FOR YOUR SAFETY READ

BEFORE LIGHTING

FOR YOUR SAFETY READ WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing prop- erty damage, personal injury or loss of life.

A.This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.

B.BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

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 de- partment.

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 techni- cian or gas supplier. 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 above.

2.Make sure equipment shutoff valve is fully open.

3.Turn control knob clockwise LIGHTING 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 above. If you don’t smell gas, go to the next step.

5.Turn control knob counterclockwise Manual background to the PILOT position. Press in control knob for five (5) seconds (see Fig- ure 19).

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.

If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.

6.With control knob pressed in, push down and release igni- tor button (see Figure 19). This will light pilot. The pilot is attached to the front of burner. The pilot can be seen through the glass panel. If needed, keep pressing ignitor button until pilot lights.

Note: If pilot does not stay lit, refer to Troubleshooting, pages 17 through 19. Also contact a qualified service per- son or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 14.

7.Keep control knob pressed in for 30 seconds 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 3 through 7. This heater has a safety interlock system. Wait one (1) minute before lighting pilot again.

8.Turn control knob counterclockwise Manual background to desired heating level. The main burner should light. Set control knob to any heat level between HI and LO.

Manual background CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.

Ignitor Button

Control Knob

 

TOLIP

LO

 

 

 

FFO

 

 

IH

 

IGNITOR

 

 

Figure 19 - Control Knob In The OFF Position (Piezo Ignitor Shown)

Thermocouple

Ignitor Electrode

Pilot Burner

Figure 20 - Pilot (actual pilot may vary)

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107882-01F

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Desa CBN20 installation manual Operating Heater, For Your Safety Read Before Lighting, Lighting Instructions