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ALL-IN-ONE UNVENTED (VENT-FREE) GAS FIREpLAcE SySTEm
OWNER'S OpERATION AND INSTALLATION mANUAL
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.
mODELS HGc23TON AND HGc23TOp
For more information, visit www.desatech.com
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Summary of Contents for Desa HGC23TON
- Page 1 ALL-IN-ONE UNVENTED (VENT-FREE) GAS FIREpLAcE SySTEm OWNER’S OpERATION AND INSTALLATION mANUAL mODELS HGc23TON AND HGc23TOp 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.
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Page 2: Table Of Contents
TABLE OF cONTENTS Safety..............2 Inspecting.Burners..........17 Local.Codes............4 Cleaning............. 18 Unpacking............5 Troubleshooting..........19 Product Identification..........5 Specifications............. 23 Product.Features..........5 Service.Hints............23 Assembly.............. 6 Technical.Service..........23 Air.for.Combustion.and.Ventilation....... 7 Replacement.Parts..........23 Installation............9 Parts..............24 Operation............16 Accessories............ -
Page 3: With Fireplace
SAFETy Continued Do not place clothing or other DANGER: Carbon monoxide flammable material on or near poisoning may lead to death! the appliance. Never place any objects on the heater. Carbon Monoxide Poisoning:.Early.signs.of. carbon monoxide poisoning resemble the flu, with headaches, dizziness or nausea. If you Fireplace front and screen be- have these signs, the fireplace may not be come very hot when running... -
Page 4: Local.codes
SAFETy Continued 5. Do not use this fireplace as a wood-burn- 11..Keep.all.air.openings.in.front.and.at.bottom. ing fireplace. Use only the logs provided of.heater.clear.and.free.of.debris..This.will. with the fireplace. insure.enough.air.for.proper.combustion. 6.. Do.not.add.extra.logs.or.ornaments.such. 12. Do not run fireplace as pine cones, vermiculite or rock wool. • where flammable liquids or vapors are Using.these.added.items.can.cause.soot- used.or.stored. -
Page 5: Unpacking
UNpAckING 2.. Remove.all.protective.packaging.applied. CAUTION: Do not remove data to fireplace for shipment. plates from fireplace. Data plates 3. Make sure fireplace includes one hard- contain important warranty and ware.packet. safety information. 4. Check fireplace for any shipping damage. If fireplace is damaged, promptly inform 1. -
Page 6: Assembly
ASSEmBLy WARNING: Always have Shoulder. screen in place before operating Screw fireplace. This prevents exces- sive temperatures on fireplace surfaces. WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this fireplace may result in property damage or personal injury. -
Page 7: Air.for.combustion.and.ventilation
AIR FOR cOmBUSTION AND VENTILATION Unusually tight construction is defined as WARNING: This fireplace construction where: shall not be installed in a con- a. walls and ceilings exposed to the out- fined space or unusually tight side atmosphere have a continuous construction unless provisions water vapor retarder with a rating of one perm (6 x 10... -
Page 8: Air For Combustion And Ventilation
AIR FOR cOmBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW Example: 35,840 Btu/Hr (maximum the space.can.support) FOR FIREPLACE LOCATION 40,000 Btu/Hr (actual amount of Determining if You Have a Confined or Btu/Hr.used) Unconfined Space The space in the example is a confined space Use.this.work.sheet.to.determine.if.you.have. -
Page 9: Installation
AIR FOR cOmBUSTION AND VENTILATION Continued and.crawl.spaces..Follow.the.National Fuel Gas Code, ANSI Z223.1/NFPA 54, Air for Combustion and Ventilation for required size 12" of.ventilation.grills.or.ducts. IMPORTANT: Do. not. provide. openings. for. Ventilation Grills Into Adjoining Room, Ventilation inlet.or.outlet.air.into.attic.if.attic.has.a.thermo- Option 2 Grills into Remove stat-controlled.power.vent..Heated.air.entering. - Page 10 INSTALLATION Continued INSTALLATION ITEMS CAUTION: This fireplace cre- Before installing fireplace, make sure you ates warm air currents. These have.the.items.listed.below. currents move heat to wall sur- • external regulator (supplied by installer, for faces next to fireplace. Installing propane/LP.units.only) fireplace next to vinyl or cloth wall •.
- Page 11 INSTALLATION Continued Minimum Clearances For Side Combustible NOTICE: Surface temperatures Material, Side Wall and Ceiling of adjacent walls and mantels be- A. Clearances from the side of the fireplace come hot during operation. Walls cabinet.to.any.combustible.material.and. and mantels above the firebox wall.should.follow.diagram.in.Figure.6.
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Page 12: Local Codes
INSTALLATION Continued 4. Attach flexible gas line to fireplace gas CAUTION: Use only new, regulator..See.Connecting to Gas Supply,. black iron or steel pipe. Inter- page.14. 5.. Check.all.gas.connections.for.leaks..See. nally-tinned copper tubing may Checking Gas Connections,.page.14.. be used in certain areas. Check CONNECTING TO GAS SUPPLY your local codes. - Page 13 INSTALLATION Continued We. recommend. that. you. install. a. sediment. CONNECTING FIREPLACE TO GAS trap. in. supply. line. as. shown. in. Figure. 9.. SUPPLY Locate.sediment.trap.where.it.is.within.reach. Installation Items Needed for.cleaning..Install.in.piping.system.between. •. Phillips.screwdriver fuel. supply. and. heater.. Locate. sediment. • sealant (resistant to propane/LP gas, not trap.
- Page 14 INSTALLATION Continued CHECKING GAS CONNECTIONS Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) WARNING: Test all gas piping 1. Close equipment shutoff valve (see Fig- ure.11). and connections, internal and 2. Pressurize supply piping system by either external to unit, for leaks after opening.
- Page 15 INSTALLATION Continued INSTALLING LOG SET AND SCREEN Equipment Shutoff.Valve 1.. Remove.log.packaging.material.and.discard. packaging..Gently.place.log.over.the.burner. (see.Figure.14)..Do.not.allow.log.to.contact. flame. If flame contacts log, soot will be created. Gas. 2.. Reattach.screen.by.placing.the.notches. Meter in. the. screen. frame. over. the. shoulder. screws.and.pushing.down. Shoulder.Screw Gas.Regulator Figure 13 - Checking Gas Joints (Natural Gas Only) PRESSURE TESTING FIREPLACE GAS CONNECTIONS...
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Page 16: Operation
OpERATION FOR YOUR SAFETY NOTICE: During initial opera- READ BEFORE LIGHTING tion of new fireplace, burning logs will give off a paper-burn- WARNING: If you do not fol- ing smell. Open window to vent low these instructions exactly, smell. Operate fireplace on HI a fire or explosion may result position to burn off odor. -
Page 17: Inspecting.burners
OpERATION Continued 7.. Keep.control.knob.pressed.in.for.30.sec- Thermocouple Ignitor. Pilot. onds after lighting pilot. After 30 seconds, Electrode Burner release.control.knob. Note: If pilot goes out, repeat steps 3 through 7. This fireplace has a safety interlock system. Wait one (1) minute for system to reset before lighting pilot Figure 17 - Propane/LP Gas Pilot again. -
Page 18: Cleaning
INSpEcTING BURNERS Continued bURNER FLAME PATTERN Figure 20 shows a correct burner flame pat- tern.. Figure. 21. shows. an. incorrect. burner. flame pattern. The incorrect burner flame pattern shows sporadic, irregular flame tip- ping. The flame should not be dark or have Figure 20 - Correct Burner Flame Pattern an.orange/reddish.tinge. -
Page 19: Troubleshooting
cLEANING Continued 5.. Blow.air.into.the.primary.air.holes.on.the. Pilot.Air. injector.holder. Inlet.Hole 6.. In.case.any.large.clumps.of.dust.have.now. been.pushed.into.the.burner.repeat.steps. Pilot.Assembly 3.and.4. Figure 24 - Pilot Inlet Air Hole Clean.the.pilot.assembly.also..Additional.clean- (Natural Gas) ing.may.be.needed.for.proper.pilot.operation. based.on.use/lack.of.use..A.yellow.tip.on.the. LOG SET pilot flame may indicate dust and dirt in the pilot •. If.you.remove.one-piece.log.set.for.clean- assembly..There.is.a.small.pilot.air.inlet.hole. ing, refer to Installing Log Set and Screen, about 2"... - Page 20 TROUBLESHOOTING Continued ObSERVED PRObLEM POSSIbLE CAUSE REMEDY When ignitor button is pressed, 1..Gas. supply. turned. off. or. 1..Turn.on.gas.supply.or.open. there.is.spark.at.ODS/pilot.but. equipment shutoff valve equipment shutoff valve no.ignition closed 2..Control.knob.not.in.PILOT. 2..Turn.control.knob.to.PILOT. position position 3..Control.knob.not.pressed. 3..Press.in.control.knob.while. in.while.in.PILOT.position in.PILOT.position 4..Air. in. gas. lines. when. 4..Continue.holding.down.con- installed trol.knob..Repeat.igniting.op-...
- Page 21 TROUBLESHOOTING Continued ObSERVED PRObLEM POSSIbLE CAUSE REMEDY Delayed.ignition.of.burner 1..Manifold. pressure. is. too. 1..Contact. local. natural. or. propane/LP.gas.company 2. Burner orifice is clogged 2..Clean. burner. (see. Clean- ing, page 18) or replace burner orifice Burner backfiring during com- 1. Burner orifice is clogged or 1..Clean.
- Page 22 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.
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Page 23: Specifications
• fireplace will not produce specified heat When calling, please have your model and • for propane/LP units, propane/LP gas sup- serial.numbers.of.your.heater.ready. ply.may.be.low You. can. also. visit. DESA. Heating. Prod- You.may.feel.your.gas.pressure.is.too.low..If. ucts’. technical. services. web. site. at. . so, contact your local natural or propane/LP www.desatech.com. -
Page 24: Parts
FIREbOx FOR MODELS HGC23TON AND HGC23TOP 27 30 www.desatech.com 121623-01A... - Page 25 pARTS This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions.listed.under.Replacement Parts.on.page.23.of.this.manual. PART NO. DESCRIPTION 118596-01 Top.Panel • • 118573-01CK Top.Trim.Panel. • • 118574-01 Heat Deflector • • 118576-01CK Screen.Assembly • • 118577-01CK Access.Door • •...
- Page 26 MANTEL FOR MODELS HGC23TON AND HGC23TOP NO. PART NO. DESCRIPTION 121628-02 Mantel.Top 121628-03 Mantel.Left.Leg 121628-04 Mantel.Right.Leg 121628-05 Mantel.Header 121628-06 Mantel.Base www.desatech.com 121623-01A...
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Page 27: Accessories
AccESSORIES Purchase these fireplace accessories from CLEANING KIT - CCK your.local.dealer..If.they.can.not.supply.these. For all models..Your.vent-free.gas.appliance. accessories, call DESA Heating Products at requires regular cleaning and maintenance to 1-866-672-6040.for.referral.information..You. prevent.performance.problems..This.kit.gives. can.also.write.to.the.address.listed.on.the.back. you.the.tools.and.instructions.to.make.it.easy. page.of.this.manual. to.clean.all.critical.areas.of.your.appliance. FIRE CRACKLE - CF6-A1 For all models..Creates.the.sound.of.a.real. burning fire. - Page 28 2701.Industrial.Drive P.O..Box.90004 Bowling Green, KY 42102-9004 www.desatech.com 121623-01 Rev..A 121623.01 05/07 NOT.A.UPC...