background image

21

104306

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-DESA LOG (1-800-337-2564).

SPECIFICATIONS

CGD3924NR/CGB3924NR/CGB3930NR

Btu (Variable)

20,000/39,000

Type Gas

Natural Gas Only

Ignition

Piezo

Manifold Pressure

3.5" W.C.

Inlet Gas

Pressure (in. of water)

Maximum

10.5"

Shipping Weight

30 lbs.

When Gas Pressure Is Too Low

• pilot will not stay lit

• burners will have delayed ignition

• heater will not produce specified heat

When Gas Quality Is Bad

• pilot will not stay lit

• burners 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

WIRING DIAGRAM

Receiver

White

On
Off

Remote

Red

Red

White

Thermopile

Gas Control 

TPTH

TH

TPTH TP

ACCESSORIES

Purchase these fireplace accessories from
your local dealer. If they can not supply
these accessories, either contact your near-
est Parts Central (see page 28) or call DESA
International’s Sales Department at 1-800-
972-7879 for referral  information. You can
also write to the address listed on the back
page of this manual.

MANUAL SHUTOFF
VALVE - GA5010

Manual shutoff valve with 1/8" NPT tap.
Fits 1/2" NPT pipe.

FIREPLACE HOOD
BLACK - GA6050
BRASS - GA6052
ANTIQUE BRASS - GA6053

Helps deflect heat away from mantel or wall
above fireplace.

LAVA ROCK - GA6060
(Not Shown)

Order when additional rock is desired. (3 lb.
bag)

Summary of Contents for Comfort Glow CGB3924NR

Page 1: ...ATERS CGD3924NR CGB3924NR CGB3930NR 24 and 30 Remote Controlled Model P I L O T O F F O N LO REMOTE OFF HI OWNER S OPERATION AND INSTALLATION MANUAL WARNING If the information in this manual is not fo...

Page 2: ...7 You must operate this heater with a fire place screen in place Make sure fire place screen is closed before running heater 8 This log heater is designed to be smoke less If logs ever appear to smok...

Page 3: ...teries or other sources to light heater 1 Remove logs and heater base assem bly from carton Note Do not pick up heater base assembly by burners This could damage heater Always handle base assembly by...

Page 4: ...tion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is de fined as construction where a walls and ceilings expo...

Page 5: ...irect vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used ________...

Page 6: ...rom Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two per manent openings one within 12 of the ceiling and one within 12 of the floor Connect these items direc...

Page 7: ...ntilation pages 4 through 6 CHECK GAS TYPE Use only natural gas If your gas supply is not natural gas do not install heater Call dealer where you bought heater for proper type heater NOTICE Stateorloc...

Page 8: ...e opening Non combus tible materials such as slate marble tile etc must be at least 1 2 inch thick With sheet metal you must have non combus tible material behind it Non combustible materialmustextend...

Page 9: ...ances shown you must do one of the following operate the logs only with the flue damper open raise the mantel to an accept able height remove the mantel 14 Min Combustible Material Non Combustible Mat...

Page 10: ...ng Masonry Screw Mounting Flanges Installation Items Needed hardware package provided with heater approved flexible gas hose not provided if allowed by local codes sealant resistant to propane LP gas...

Page 11: ...cate sedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is...

Page 12: ...ry housing 3 Replace battery cover onto remote con trol unit Figure 15 Installing 9 Volt Battery In Receiver Battery Cover Terminal Wires 9 Volt Battery Remote Control Unit Battery Housing Receiver Te...

Page 13: ...se and the cutout area is centered over the burner U bend 3 Locate the recesses on the back of the front log 3 Fit these recesses be tween the posts of the grate base see Figure 19 4 Locate the notche...

Page 14: ...that no flame comes in contact with any log If so repo sition logs according to the log installation instructions in this manual Flames contacting logs will create soot 1 Place the base of the middle...

Page 15: ...window to vent smell Thiswillonlylastafewhours Note Homeowners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room However there may be ti...

Page 16: ...s and keep the pilot lit by doing one of the following Turn control knob clockwise to the PILOT position UseremotecontrolmanualOFFbutton Set remote selector switch in the OFF position Ignitor Electrod...

Page 17: ...tedyearlybyaquali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting pet hair etc ODS PILOT AND BURNER Use a vacuum cleaner or small soft bristled brush to...

Page 18: ...e B Dirty or partially clogged ODS pilot 5 Thermocouple connection loose at con trol valve 6 Thermocouple damaged 7 Control valve damaged REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinch...

Page 19: ...e 4 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural gas company 3 Observe minimum installation cl...

Page 20: ...PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF posi...

Page 21: ...ter will backfire when lit Youmayfeelyourgaspressureistoolowor gas quality is bad If so contact your local natural gas supplier SERVICE HINTS WIRING DIAGRAM Receiver White On Off Remote Red Red White...

Page 22: ...3924NR and CGB3930NR ILLUSTRATED PARTS BREAKDOWN CGD3924NR 7 16 16 17 25 16 3 2 1 4 11 21 10 9 12 15 8 19 18 20 6 14 5 13 27 26 26 RE MOTE OFF ON 22 23 24 O F F P I L O T O N H I L O O F F P I L O T O...

Page 23: ...2772 01 Burner 1 13 099387 12 Pilot Tube Valve to regulator 1 14 103781 01 Gas Control Valve 1 15 103345 01 Lower Bracket 1 16 M11084 38 Screw 8 x 38 7 17 102775 06CK Painted Base Assembly 1 18 098271...

Page 24: ...and CGB3930NR ILLUSTRATED PARTS BREAKDOWN CGB3924NR CGB3930NR 28 16 16 17 25 16 5 4 1 2 3 11 21 10 9 12 15 8 19 18 20 7 14 6 13 27 26 26 RE MOTE OFF ON 22 23 24 O F F P I L O T O N H I L O O F F P I...

Page 25: ...K 102775 06CK Painted Base Assembly 1 18 098271 07 098271 07 Ignitor Cable 1 19 102445 01 102445 01 Piezo Ignitor 1 20 103823 01 103823 01 Remote Set Incl Transmitter 1 21 104099 01 104099 01 Heat Shi...

Page 26: ...Main Street Kansas City MO 64108 KS MO AR 816 842 3911 East Coast Energy Products 707 Broadway W Long Branch NJ 07764 732 870 8809 1 800 755 8809 Tarantin Tank Co P O Box 6129 Freehold NJ 07728 908 78...

Page 27: ...___________________ _______________________________________________________________________________________________ ____________________________________________________________________________________...

Page 28: ...h other costs related to repairing a defective heater will be the responsibility of the owner TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALEOFTHE PRODUCT THIS EXPRESS WARRANTY EXCLU...

Reviews: