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10

101870

NATURAL GAS HEATER

CGN10A AND CGN6

TO TURN OFF GAS
TO APPLIANCE

Shutting Off Heater

1.

Turn control knob clockwise 
to the PILOT position.

2.

Press in control knob and turn clock-
wise 

 to the OFF position.

Shutting Off Burner Only (pilot
stays lit)

1.

Turn control knob clockwise 
to the PILOT position.

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 information
at the top of column 3, page 9. If you
don’t smell gas, go to the next step.

5.

Press in control knob and turn coun-
terclockwise 

 to the PILOT

position. Keep control knob pressed
in for five (5) seconds (see Figure 15).

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
person or gas supplier for repairs.
Until repairs are made, light pilot
with match. To light pilot with match,
see Manual Lighting Procedure
.

Thermocouple

Pilot Burner

Ignitor Electrode

Figure 16 - Pilot

 CAUTION: Do not try to adjust

heating levels by using the
manual shutoff valve.

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

 to the OFF position.

OFF

HIGH

PILOT

LOW

IGNITOR

Ignitor Button

Control Knob

Figure 15 - Control Knob In The OFF
Position

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

 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 

 .

Note:

 Both HIGH and LOW are

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

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.

MANUAL LIGHTING
PROCEDURE

Summary of Contents for Comfort Glow CGN10A

Page 1: ...gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified ins...

Page 2: ...ach your gas supplier call the fire department 3 Heater model CGN10A shall not be installed in a bathroom 4 Never install the heater in a recreational vehicle where curtains furniture clothing or othe...

Page 3: ...effi cient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home own ers weather strip and caulk around windows and doors to keep the cold air...

Page 4: ...onfined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless p...

Page 5: ...connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see op tion 3 Figure 2 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Com...

Page 6: ...all heater Follow all local codes AnA G A design certifiedmanualshutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Pur chase the optional A G A design certified manua...

Page 7: ...screws until 1 16 space thickness of penny is between screwheads and wall see Figure 8 Placing Heater On Mounting Screws 1 Locate two keyhole slots on back panel of heater see Figure 9 2 Place large...

Page 8: ...ccur Installation must include a manual shutoff valve ground joint union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see Figure 12 A...

Page 9: ...to control valve see Figure 14 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater pages 9 and 10 Check th...

Page 10: ...leshooting pages 12 through 14 Also 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 11: ...pingoftheflame It also shows the flame higher than 1 2 the glass panel height WARNING If yellow tipping occurs your heater could pro duce increased levels of carbon monoxide If burner flame pat tern s...

Page 12: ...alve not fully open 4 Thermocouple connection loose at con trol valve 5 Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot flame to go out This prob lem could be cau...

Page 13: ...n heater blocked 4 Dirty or partially clogged burner orifice REMEDY 1 Clean burner orifice see Cleaning and Maintenance page 11 or replace burner orifice 2 Replace burner orifice 3 Contact local natur...

Page 14: ...eck ing Gas Connections page 9 1 Refer to Fresh Air for Combustion and Venti lation requirements page 3 OBSERVED PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off H...

Page 15: ...r 5 00 payable to DESA International ACCESSORY Purchase this heater accessory from your local dealer If they cannot supply this ac cessory either contact your nearest Parts Central page 18 or call DES...

Page 16: ...16 101870 NATURAL GAS HEATER CGN10A AND CGN6 12 2 12 1 ODS PILOT HEATER EXPLODED VIEW 10 12 11 1 2 3 4 5 6 7 9 8 10 13 14 15 16 17 18 21 23 24 27 22 26 25 19 20 28 29 ILLUSTRATED PARTS LIST...

Page 17: ...03 100701 03 ODS Pilot Assembly 1 12 1 098514 01 098514 01 Thermocouple 1 12 2 098594 01 098594 01 Ignitor Electrode 1 13 099386 02 099386 02 Burner 1 14 099387 05 099387 05 Pilot Tubing 1 15 098251 0...

Page 18: ...49120 616 684 2697 1 800 268 4983 Parts Only Dayton Hardware P O Box 275 North Dayton Station Dayton OH 45404 All States 513 258 3721 OH 1 800 762 3426 Halco Enterprises 208 Carter Drive Unit 21 West...

Page 19: ...___________________ _______________________________________________________________________________________________ ____________________________________________________________________________________...

Page 20: ...oes not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects cau...

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