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111347-01F

7

ACCESSORIES

NOTICE:  All  accessories  may 

not be available for all fireplace 

models.

Purchase these heater accessories from your local 

dealer. If they can not supply these accessories, 

call DESA Heating Products at 1-866-672-6040 

for referral information. You can also write to the 

address listed on the back page of this manual.

EQUIPMENT SHUTOFF VALVE 
GA5010

For all models.

 Equipment shutoff valve with 1/8" 

NPT tap. Fits 1/2" NPT pipe. 

FIREPLACE HOOD

Black - GA6050

 

Brass - GA6052

 

Antique Brass - GA6053

For all models.

 Helps deflect heat away from 

mantel or wall above fireplace. Fits openings 28" 

to 48" wide.

DAMPER CLAMP - GA6080

 

(Not Shown)

For all models.

 Permanently opens chimney flue 

damper for vented operation.

LAVA ROCK - GA6060

 

(Not Shown)

For all models.

 Order when additional rock is 

desired. (1.8 lb. bag)

CLEANING KIT - GCK 

(Not Shown)

For all models.

 Your vent-free gas appliance re-

quires regular cleaning and maintenance to prevent 

performance problems. This kit gives you the tools 

and instructions to make it easy to clean all critical 

areas of your appliance.

INFORMATION VIDEO - 108917-01

For all models.

 A care and maintenance video is 

available by calling 1-866-672-6040. You may 

also email your request to

[email protected]

.

SERVICE HINTS

When Gas Pressure Is Too Low

•  pilot will not stay lit

•  burners will have delayed ignition

•  heater will not produce specified heat

•  for propane/LP units, propane/LP gas supply 

may be low

You may feel your gas pressure is too low. If so, con

-

tact your local propane/LP or natural gas supplier.

TECHNICAL SERVICE

You may have further questions about installation, 

operation or troubleshooting. If so, contact DESA 

Heating Products’ Technical Service Department 

at 1-866-672-6040. When calling please have your 

model and serial numbers of your heater ready.

You can also visit DESA Heating Products’ techni-

cal services web site at 

www.desatech.com

.

REPLACEMENT PARTS

Note:

 Use only original replacement parts. This 

will protect your warranty  coverage for parts 

replaced under warranty. 

PARTS UNDER WARRANTY

Contact authorized  dealers  of  this product. If 

they can’t supply original replacement part(s), 

call DESA Heating Products’ Technical Service 

Department at 1-866-672-6040.

When  calling  DESA  Heating  Products,  have 

ready

•  your name

•  your address

•  model and serial numbers of your heater 

•  how heater was malfunctioning

•  type of gas used (propane/LP or natural gas)

•  purchase date

Usually, we will ask you to return the part to the 

factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they 

can’t supply original replacement part(s), call 

DESA Heating Products at 1-866-672-6040 for 

referral information.

When  calling  DESA  Heating  Products,  have 

ready

•  model number of your heater 

•  the replacement part number

Summary of Contents for CDL3924NT

Page 1: ...n your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must...

Page 2: ...as supplier WARNING This appliance is for installation only in a solid fuel burning mason ry or UL127 factory built fireplaceorinalistedvent lessfireboxenclosure Itis design certified for these instal...

Page 3: ...enerateschemicals known to the State of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble operat...

Page 4: ...se this heater to cook food or burn paper or other objects 13 Do not use heater if any part has been exposed to or under water Immediately call a qualified service technician to inspect the room heate...

Page 5: ...ir for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances...

Page 6: ...ed a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them DETERMINING FRESH AIR FLOW FOR HEATER LOCATION Determining...

Page 7: ...as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air byoneofthemethodsdescribed in the National Fuel Gas Code ANSIZ223 1 NFPA54...

Page 8: ...lace If not drafting may cause pilot outage or sooting Use a heat resistant sealant Do not seal chimney flue damper WARNING Never install the heater in a bedroom or bathroom unless installed as a vent...

Page 9: ...Ifso youmustalwaysrunheater with chimney flue damper open If running heater with damper open noncombustible material above fireplace opening is not needed Go to Installing Damper Clamp Accessory for V...

Page 10: ...opening and mantel shelf If you do not meet the clearances listed below you will need a hood Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplac...

Page 11: ...e and constructed of noncombustible material Ifyourheaterisamanually controlledmodel youmay usethisheaterasaventedproduct Therearethreerea sons for operating your heater in the vented mode 1 Thefirepl...

Page 12: ...are package provided with heater approved flexible gas hose and fittings not provided if allowed by local codes sealant resistant to propane LP gas not provided electric drill with 3 16 drill bit meta...

Page 13: ...down Installation Continued as shown in Figure 13 Pointing the vent down protects it from freezing rain or sleet CAUTION Useonlynew black ironorsteelpipe Internally tinned copper tubing may be used in...

Page 14: ...opening main gas valve located on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter to equipment shutoff valvefornaturalgasorpropane LPsup ply to equipment sh...

Page 15: ...Valve Figure 18 Rear Log Placement Variable Manually Controlled Models Rear Log INSTALLING LOGS WARNING Failure to position thepartsinaccordancewiththese diagrams or failure to use only parts specifi...

Page 16: ...xplosion may result caus ing property 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 BEFO...

Page 17: ...low B in the safety information page 16 If you don t smell gas go to the next step 6 Slightly depress and turn control knob counterclockwise to the PILOT position Keep control knob pressed in for five...

Page 18: ...control knob and light pilot with match 3 Keep control knob pressed in for30 seconds after lighting pilot After 30 seconds release control knob Now follow steps 9 and 10 page 17 Thermostat Models FOR...

Page 19: ...If you don t smell gas go to the next step OPERATING HEATER Continued 5 Turn control knob counterclockwise to the PILOT position Press in control knob for five 5 seconds see Figure 25 Note You may be...

Page 20: ...pattern Figure 28 shows an incorrect pilot flame pattern The incor rect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the heater wi...

Page 21: ...f you don t follow directions on the can you could damage the pilot assembly 1 Remove control cover log and front log 2 Shut off the unit including the pilot Allow the unit to cool for at least thirty...

Page 22: ...ot flame not touching ther mocouple which allows ther mocouple to cool causing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partiall...

Page 23: ...s at burner inlet Periodically repeat as needed 4 Remove blockage TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS pilot is lit Delayed ignition of one or both burners Burner...

Page 24: ...ce page 21 1 Locate and correct all leaks see Checking Gas Connec tions page 14 2 Replace control valve 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks see Checking Ga...

Page 25: ...ake sure you tighten the screw after removing the thermostat sensing bulb IMPORTANT Do not force or bend the thermostat sensing bulb or capillary 3 The thermostat sensing bulb may be located to thelow...

Page 26: ...s For purpose of input adjustment Meadowbrook Oak Log Thermostatically Controlled Btu Variable 26 000 39 000 Type Gas Propane LP Natural Ignition Piezo Manifold Pressure 8 0 W C 3 5 W C Inlet Gas Pres...

Page 27: ...ssure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat for propane LP units propane LP gas supply may be low Youmayfeelyourgaspressureistool...

Page 28: ...27 28 1 28 2 28 5 28 4 24 15 16 17 19 18 8 21 26 22 9 4 11 10 28 3 12 20 13 6 20 25 25 25 25 5 7 Illustrated Parts Breakdown Variable Manually Controlled Echo Valley Oak Log Models LSL3124N LSL3124P 3...

Page 29: ...ral Gas 1 13 099387 08 099387 08 Pilot Tube 1 14 099056 31 099056 26 Injector 1 15 110790 01 110790 01 Left Front Burner Bracket 1 16 110790 02 110790 02 Right Front Burner Bracket 1 17 110793 01 1107...

Page 30: ...1347 01F 30 ILLUSTRATED PARTS BREAKDOWN Thermostatically Controlled Meadowbrook Oak Log Models CDL3924NT CDL3924PT 15 1 3 4 6 5 12 12 12 20 19 12 16 14 13 2 18 12 12 21 22 23 17 7 11 8 24 1 24 3 24 4...

Page 31: ...be 1 12 M11084 26 M11084 26 Screw 10 16 x 38 15 13 108631 01 108631 01 Screw 1 Blunt Tip Phillips 2 14 110790 03 110790 03 Rear Burner Bracket 2 15 110790 01 110790 01 Left Front Burner Bracket 1 16 1...

Page 32: ...The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original conditi...

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