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Desa CGE3924NR Owner's Operation And Installation Manual

Unvented (vent-free) gas log heater
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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
Also Design-Certified As Vented Decorative Appliances When
Not Used With Hand-Held Thermostat Remote
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your 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 quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
MODELS CGE3924NR
AND CGE3924PR

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Summary of Contents for Desa CGE3924NR

  • Page 1 UNVENTED (VENT-FREE) GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL MODELS CGE3924NR AND CGE3924PR Also Design-Certified As Vented Decorative Appliances When Not Used With Hand-Held Thermostat Remote WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Safety.............. Troubleshooting..........6 Product Identification..........5 Specifications............. 30 Local.Codes............5 Service.Hints............30 Unpacking............5 Technical.Service..........30 Air.For.Combustion.and.Ventilation...... 6 Replacement.Parts..........30 Product.Features..........6 Wiring.Diagram........... 30 Installation............9 Accessories............31 Operation............1 Parts..............

  • Page 3: Safety

    SAFETy Continued WARNING: This product con- WARNING: Do not allow fans tains and/or generates chemicals to blow directly into the fireplace. known to the State of California Avoid any drafts that alter burner to cause cancer or birth defects flame patterns. Ceiling fans can or other reproductive harm.
  • Page 4 SAFETy Continued 1. This appliance is only for use with the type Note: During initial operation, slight smok- of.gas.indicated.on.the.rating.plate..This. ing may occur due to log curing and heater appliance is not convertible for use with burning manufacturing residues. other.gases. 10. To prevent the creation of soot, follow the ..

  • Page 5: Product Identification

    PRODUCT IDENTIFICATION 5.Piece. Log.Set Electronic. Ignitor.Button Ember.Bed.Burner Remote.Sensor. Remote.Control with Switch Flame. Adjustment Knob Control Knob Figure 1 - Vent-Free Gas Log Heater LOCAL CODES Install and use heater with care. Follow all State of Massachusetts:.The.installation. local codes. In the absence of local codes, must.

  • Page 6: Air.for.combustion.and.ventilation

    PRODUCT FEATURES OPERATION SAFETy PILOT This. heater. is. clean. burning.. It. requires. no. This heater has a pilot with an Oxygen Deple- outside. venting.. There. is. no. heat. loss. out. a. tion.Sensing.(ODS).safety.shutoff.system..The. vent. or. up. a. chimney.. Heat. is. generated. by. ODS/pilot.is.a.required.feature.for.vent-free.

  • Page 7: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION Continued c. caulking or sealants are applied to .. Multiply.the.space.volume.by.0.to.determine. the.maximum.Btu/Hr.the.space.can.support. areas such as joints around window and door frames, between sole plates . ________ (volume. of. space). x. 0. =. . and floors, between wall-ceiling joints, (Maximum.Btu/Hr.the.space.can.support) between wall panels, at penetrations Example: 2,560 cu.

  • Page 8: Combustion And Ventilation Air

    AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors WARNING: If the area in Provide. extra. fresh. air. by. using. ventilation. grills or ducts. You must provide two perma- which the heater may be oper- nent openings: one within 12" of the ceiling ated is smaller than that defined and one within 12"...

  • Page 9: Installation

    INSTALLATION NOTICE: This heater is intended WARNING: Seal any fresh for use as supplemental heat. air vents or ash clean-out doors Use this heater along with your located on floor or wall of fire- primary heating system. Do not place. If not, drafting may cause install this heater as your pri- pilot outage or sooting.
  • Page 10 INSTALLATION Continued CHECK GAS TyPE NOTICE: Manual control heaters Use.the.correct.gas.type.(natural.or.propane/ may be used as a vented product. LP).for.your.unit..If.your.gas.supply.is.not.cor- If so, you must always run heater rect, do not install heater. Call dealer where with chimney flue damper open. If you.bought.heater.for.proper.type.heater. running heater with damper open, noncombustible material above WARNING: This appliance...
  • Page 11 INSTALLATION Continued IMPORTANT:.If.you.cannot.meet.these.mini- Noncom- mum clearances, you must operate heater bustible Requirements for Safe with chimney flue damper open. Go to Install- Material Installation ing Damper Clamp Accessory for Vented Distance Operation, page.13. 12" or Noncombustible. material. MANTEL CLEARANCES more okay.
  • Page 12 INSTALLATION Continued NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an acceptable height • remove the mantel. Mantel Shelf 10"...
  • Page 13 INSTALLATION Continued FLOOR CLEARANCES 1. The fireplace does not meet the clearance to. combustibles. requirements. for. vent- A. If installing appliance on the floor level, free.operation. you.must.maintain.the.minimum.distance. .. State.or.local.codes.do.not.permit.vent- of 14" to combustibles (see Figure 8). free.operation. B. If combustible materials are less than 14" 3.

  • Page 14: Safety Information

    INSTALLATION Continued INSTALLING HEATER BASE 1. Apply pipe joint sealant lightly to male threads of the fitting to be threaded into ASSEMBLy gas regulator. Connect approved flexible gas.hose.to.gas.regulator.of.heater.(see. CAUTION: Do not remove the Figure.11). data plates attached to the heater 2.
  • Page 15 INSTALLATION Continued CONNECTING TO GAS SUPPLy For propane/LP units, the installer must supply. an. external. regulator.. The. external. WARNING: This appliance regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to requires a 1/2" NPT (National between 11" and 14" of water. If you do not re- Pipe Thread) inlet connection to duce incoming gas pressure, heater regulator the pressure regulator.
  • Page 16 INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Use pipe joint WARNING: Test all gas piping sealant that is resistant to liquid and connections, internal and petroleum (LP) gas. external to unit, for leaks after We. recommend. that. you. install. a. sediment. installing or servicing.
  • Page 17 INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 Pressure Testing Heater Gas PSIG (3.5 kPa) Connections 1.. Close.equipment.shutoff.valve.(see.Fig- 1.. Open.equipment.shutoff.valve.(see.Fig- ure.15). ure.15). 2. Pressurize supply piping system by either .. Open. propane/LP. supply. tank. valve. or. opening. propane/LP. supply. tank. valve. main.
  • Page 18 INSTALLATION Continued 5. Remove heater base from fireplace. 9-Volt. 6. Install receiver bracket to base with phil- Battery lips screws provided in hardware kit as Battery. shown in Figure 18. Clip 7. Disconnect jumper wire from control valve at Bracket TPTH.and.TH.locations.(see.Figure.19).
  • Page 19 INSTALLATION Continued Installing 9-Volt Battery (Not Included) in 3. Align hole in bottom of middle log (#3) with Hand-Held Remote Control Unit pin.on.log.#.(see.Figure.5)..The.end.of. 1.. Remove. battery. cover. on. back. of. re- log #3 will rest on first grate finger on left mote.control.unit.(see.Figure.).
  • Page 20 INSTALLATION Continued 5.. Align.holes.in.bottom.of.top.right.log.(#5). WARNING: Do not operate with pins on top of right front log (#2) and back. log. (#1).. Place. log. on. pins. (see. unit without ember material Figure.7). correctly in place as shown in 6.. Add. embers. to. front. ember. bed. burner.. Figure 29.

  • Page 21: Operation

    OPERATION FOR YOUR SAFETY LIGHTING READ BEFORE LIGHTING INSTRUCTIONS WARNING: If you do not fol- WARNING: low these instructions exactly, • If fireplace has glass doors, a fire or explosion may result never operate this heater with causing property damage, per- glass doors closed.
  • Page 22 OPERATION Continued 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, page 21. If you don’t smell gas, go to the next step. 5..
  • Page 23 OPERATION Continued HAND-HELD Auto (Thermostatic) Mode 1. Press the POWER and LOCK buttons REMOTE OPERATION together.to.turn.on.the.hand-held.remote. NOTICE: you must light the pilot control. before using the hand-held re- .. Press.AUTO.button.to.select.this.mode. mote control unit. See Lighting 3.. Set. the. desired. room. temperature. by. Instructions on page 21.

  • Page 24: Inspecting.burners

    OPERATION Continued .. The. receiver. continuously. receives. sig- Key Pad Lock Feature nals.from.the.hand-held.remote.to.control. This feature allows the user to lock/unlock the the. room. temperature.. If. the. hand-held. keypad.on.the.hand-held.remote.in.the.MANU. remote is misplaced, obstructed or for any or.AUTO. mode. to. prevent. inadvertent. op- reason cannot transmit to the receiver, the eration.(i.e..children.operating.the.hand-held.
  • Page 25 CLEANING 5. Blow air into the primary air holes on the WARNING: Turn off heater injector holder. and let cool before cleaning. 6. In case any large clumps of dust have now been.pushed.into.the.burner.repeat.steps. 3.and.4. CAUTION: you must keep Clean the pilot assembly also. A yellow tip on control areas, burner and circu- the pilot flame indicates dust and dirt in the pilot lating air passageways of heater...

  • Page 26: Troubleshooting

    TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY...
  • Page 27 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot. lights. but. flame. 1..Control. knob. not. fully. 1..Press.in.control.knob.fully goes out when control knob pressed.in is.released ..Control.knob.not.pressed. 2. After ODS/pilot lights, keep in.long.enough control.knob.pressed.in.30. seconds 3..Equipment. shutoff. valve. 3..Fully.open.equipment.shut- not.fully.open off.valve 4..Pilot. flame. not. touching. 4..A).Contact.local.natural.or.
  • Page 28 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Slight. smoke. or. odor. during. 1..Not.enough.air 1..Check. burner. for. dirt. and. initial.operation debris. If found, clean burn- er. (see. Cleaning, page ..Gas.regulator.defective ..Replace.gas.control 3..Residues. from. manufac- 3. Problem will stop after a few turing.processes.and.logs.
  • Page 29 TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Fol- low the gas supplier’s instructions.

  • Page 30: Specifications

    When calling, please have your model and • propane/LP gas supply may be low serial.numbers.of.your.heater.ready. You may feel your gas pressure is too low. You can also visit DESA Heating Products’ tech- If so, contact your local propane/LP gas nical service web site at www.desatech.com. supplier.

  • Page 31: Accessories

    DAMPER CLAMP - GA6080 Purchase these fireplace accessories from your.local.dealer..If.they.can.not.supply.these. For all models..Permanently.opens.chimney. accessories. call. DESA. Heating. Products’. flue damper for vented operation. Can be Sales. Department. at. 1-866-67-6040. for. used only with non-thermostat accessories. referral information. You can also write to LAVA ROCK - GA6060 the.

  • Page 32: Parts

    PARTS MODELS CGE3924NR AND CGE3924PR www.desatech.com 119638-01C...
  • Page 33 PARTS This list contains replaceable parts used in your heater. When ordering parts, follow the instructions.listed.under.Replacement Parts on.page.31.of.this.manual. PART NO. DESCRIPTION QTy. Base.Assembly • • 119564-01 Rear.Burner • • 119563-01 Ember.Bed.Burner • • 11376-01 ODS.Pilot.(Natural) • 103778-01 ODS.Pilot.((Propane/LP) • 103781-01 Gas Valve, NG •...
  • Page 34 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ www.desatech.com 119638-01C...
  • Page 35 NOTES _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ 119638-01C www.desatech.com...

  • Page 36: Warranty

    LIMITED WARRANTy VENT-FREE GAS LOG HEATERS DESA Heating, LLC warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

This manual is also suitable for:

Cge3924pr

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