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15

101870

OWNER’S MANUAL

TECHNICAL
SERVICE

You may have further questions about in-
stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni-
cal Service Department at 1-800-323-5190.

CGN6

CGN10A

Btu (Variable)

4,400/6,000

5,000/10,000

Type Gas

Natural Only

Natural Only

Ignition

Piezo

Piezo

Pressure Regulator Setting

3" W.C.

3" W.C.

Inlet Gas Pressure (inches of water)

Maximum

10.5"

10.5"

Minimum

4"

4"

Dimensions, Inches (H x W x D)

Heater

20 1/2 x 13 1/2 x 5

20 1/2 x 13 1/2 x 5

Carton

25 x 16 11/16 x 7 1/2 25 x 16 11/16 x 7 1/2

Weight (pounds)

Heater

13.5

13.5

Shipping

17

18

When gas pressure is too low

• pilot will not stay lit

• burner will have delayed ignition

• heater will not produce specified heat

When gas quality is bad

• pilot will not stay lit

• burner will produce flames and soot

• heater will backfire when lit

You may feel your gas pressure is too low or
gas quality is bad. If so, contact your local
natural gas supplier.

SERVICE HINTS

SPECIFICATIONS

MANUAL SHUTOFF
VALVE - GA5010

Manual shutoff valve with
1/8" NPT tap.

SERVICE
PUBLICATIONS

You can purchase a service manual from the
address listed on the back page of this
manual. Send a check for $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 DESA
International’s Parts Department at 1-800-
972-7879 for referral information. You can
also write to the address listed on the back
page of this manual.

Note:

 Use only original replacement parts.

This will protect your warranty coverage for
parts replaced under warranty.

Parts Under Warranty

Contact authorized dealer from whom you
purchased this product. If they cannot sup-
ply original replacement part(s), call DESA
International’s Technical Service Depart-
ment at 1-800-323-5190 for referral infor-
mation.

When contacting your dealer or DESA In-
ternational, have ready:

• your name
• your address
• model number of your heater
• how heater was malfunctioning
• type of gas used (propane/LP or natu-

ral gas)

• purchase date

Usually, we will ask you to return the defec-
tive part to the factory.

Parts Not Under Warranty

Contact authorized dealers of this product.
If they cannot supply original replacement
part(s), either contact your nearest Parts
Central (see page 18) or call DESA
International’s Parts Department at 1-800-
972-7879 for referral information.

When calling DESA International, have
ready:

• model number of your heater
• the replacement part number

REPLACEMENT
PARTS

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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