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Inspecting burner, Operating heater, Continued – Desa CGP6L User Manual

Page 10: Pilot flame pattern, Lighting instructions, Manual lighting procedure

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10

103547

PROPANE/LP GAS HEATER

10,000 AND 6,000 BTU/HR

GRH/OV 008

BAD PILOT/LP

TO TURN OFF GAS

TO APPLIANCE

1.

Remove front panel (see Figure 10,
page 7).

2.

Follow steps 1 through 5 under Light-
ing Instructions
.

3.

With control knob pressed in, strike
match. Hold match to pilot until pi-
lot lights.

4.

Keep control knob pressed in for 30
seconds after pilot is lit. After 30 sec-
onds, release control knob.

5.

Replace front panel.

INSPECTING
BURNER

Check pilot flame pattern and burner flame
pattern often.

PILOT FLAME PATTERN

Figure 18 shows a correct pilot flame pat-
tern. Figure 19 shows an incorrect pilot
flame pattern. The incorrect pilot flame is
not touching the thermocouple. This will
cause the thermocouple to cool. When the
thermocouple cools, the heater will shut
down.

GRH/OV 007

GOOD PILOT/LP

Thermocouple

Pilot Burner

Thermocouple

Pilot Burner

Figure 19 - Incorrect Pilot Flame Pattern

If pilot flame pattern is incorrect, as shown
in Figure 19

• turn heater off (see To Turn Off Gas to

Appliance)

• see Troubleshooting, pages 12 through

14

Figure 18 - Correct Pilot Flame Pattern

4.

Wait five (5) minutes to clear out any
gas. Then smell for gas, including
near the floor. If you smell gas,
STOP! Follow “B” in the safety in-
formation at the top of page 16. If you
don’t smell gas, go to the next step.

5.

Press in control knob and turn coun-
terclockwise

C-clockwise

to the PILOT

position. Keep control knob pressed
in for five (5) seconds (see Figure 16).

Note:

You may be running this

heater for the first time after hook-
ing up to gas supply. If so, the con-
trol knob may need to be pressed in
for 30 seconds. This will allow 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 ignitor button. 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 12 through
14. Also contact a qualified service

OPERATING
HEATER

Continued

CAUTION: Do not try to ad-

just heating levels by using the
manual shutoff valve.

Thermocouple

Pilot Burner

Figure 17 - Pilot

Ignitor Electrode

LIGHTING

INSTRUCTIONS

1.

STOP! Read the safety information
page 9, column 3.

2.

Make sure manual shutoff valve is
fully open.

3.

Turn control knob clockwise

Clockwise

to the OFF position.

OFF

HIGH

PILOT

LOW

IGNITOR

Figure 16 - Control Knob In The OFF
Position

Ignitor Button

Control Knob

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.

Note:

If pilot goes out, repeat steps

3 through 7.

8.

Turn control knob counterclockwise

C-clockwise

to the HIGH position. The

main burner should light. Set control
knob to any heat level between HIGH
and LOW. To turn control knob from
HIGH to a lower setting, press in the
control knob and turn counterclock-
wise

C-clockwise

.

Note:

Both HIGH and LOW are

locked positions. You must press in
control knob before turning it from
these positions.

Shutting Off Heater

1.

Turn control knob clockwise

Clockwise

to the PILOT position.

2.

Press in control knob and turn clock-
wise

Clockwise

to the OFF position.

Shutting Off Burner Only (pilot
stays lit)

1.

Turn control knob clockwise

Clockwise

to the PILOT position.

MANUAL LIGHTING

PROCEDURE

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