unvented (vent-free) natural gas fireplace...1. this appliance is only for use with the type of gas...

Save this manual for future reference.

WARNING: If the information in this manual is notfollowed exactly, a fire or explosion may result caus-ing property damage, personal injury, or loss of life.

— Do not store or use gasoline or other flammablevapors and liquids in the vicinity of this or anyother 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 gassupplier’s instructions.

• If you cannot reach your gas supplier, callthe fire department.

— Installation and service must be performed bya qualified installer, service agency, or the gassupplier.

WARNING: Improper installation,adjustment, alteration, service, ormaintenance can cause injury orproperty damage. Refer to thismanual for correct installation andoperational procedures. For as-sistance or additional informationconsult a qualified installer, ser-vice agency, or the gas supplier.

WARNING: This is an unventedgas-fired heater. It uses air (oxy-gen) from the room in which it isinstalled. Provisions for adequatecombustion and ventilation airmust be provided. Refer to Air forCombustion and Ventilation sec-tion on page 4 of this manual.

OWNER’S OPERATION AND INSTALLATION MANUAL

UNVENTED (VENT-FREE)NATURAL GAS FIREPLACE

VYGF33NRAREMOTE READYGAS FIREPLACE

SYSTEM

This appliance may be installed in an aftermarket,* permanently located, manufac-tured (mobile) home, where not prohibited by local codes.This appliance is only for use with the type of gas indicated on the rating plate. Thisappliance is not convertible for use with other gases.* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

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2 105269

UNVENTED NATURAL GAS FIREPLACE®

SAFETYINFORMATION

DANGER: Carbon monoxidepoisoning may lead to death!

Carbon Monoxide Poisoning: Early signsof carbon monoxide poisoning resemble theflu, with headaches, dizziness, or nausea. If youhave these signs, the fireplace may not beworking properly. Get fresh air at once! Havefireplace serviced. Some people are more af-fected by carbon monoxide than others. Theseinclude pregnant women, people with heart orlung disease or anemia, those under the influ-ence of alcohol, and those at high altitudes.

Natural Gas: Natural gas is odorless. Anodor-making agent is added to the gas. Theodor helps you detect a gas leak. However,the odor added to the gas can fade. Gas maybe present even though no odor exists.

Make certain you read and understand allwarnings. Keep this manual for reference. Itis your guide to safe and proper operation ofthis fireplace.

WARNINGS

IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, operate,or service this fireplace. Improperuse of this fireplace can cause seri-ous injury or death from burns, fire,explosion, electrical shock, andcarbon monoxide poisoning.

1. This appliance is only for use with thetype of gas indicated on the rating plate.This appliance is not convertible for usewith other gases.

2. 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. Follow thegas supplier’s instructions

• if you cannot reach your gas supplier,call the fire department

3. This fireplace shall not be installed ina bedroom or bathroom.

4. Do not use this fireplace as a wood-burning fireplace. Use only the logsprovided with the fireplace.

5. Do not add extra logs or ornamentssuch as pine cones, vermiculite, or rockwool. Using these added items cancause sooting. Do not add lava rockaround base. Rock and debris could fallinto the control area of fireplace.

6. This fireplace is designed to be smoke-less. If logs ever appear to smoke, turnoff fireplace and call a qualified ser-vice person. Note: During initial op-eration, slight smoking could occur dueto log curing and fireplace burningmanufacturing residues.

7. To prevent the creation of soot, followthe instructions in Cleaning and Main-tenance, page 21.

8. Before using furniture polish, wax, car-pet cleaner, or similar products, turnheater off. If heated, the vapors fromthese products may create a white pow-der residue within burner box or onadjacent walls or furniture.

9. This fireplace needs fresh air ventila-tion to run properly. This fireplace hasan Oxygen Depletion Sensing (ODS)safety shutoff system. The ODS shutsdown the fireplace if not enough freshair is available. See Air for Combus-tion and Ventilation, pages 4 through6. If fireplace keeps shutting off, seeTroubleshooting, pages 17 through 19.

10. Do not run fireplace• where flammable liquids or vapors

are used or stored• under dusty conditions

11. Do not use this fireplace to cook foodor burn paper or other objects.

12. Do not use fireplace if any part has beenexposed to or under water. Immediatelycall a qualified service technician toinspect the fireplace and to replace anypart of the control system and any gascontrol which has been under water.

13. Do not operate fireplace if any log isbroken. Do not operate fireplace if alog is chipped (dime-sized or larger).

14. Turn fireplace off and let cool beforeservicing. Only a qualified service per-son should service and repair fireplace.

15. Operating fireplace above elevations of4,500 feet could cause pilot outage.

WARNING: Any change tothis heater or its controls can bedangerous.

WARNING: Do not allow fansto blow directly into the fireplace.Avoid any drafts that alter burnerflame patterns. Ceiling fans cancreate drafts that alter burnerflame patterns. Altered burnerpatterns can cause sooting.

WARNING: Do not use ablower insert, heat exchangerinsert, or other accessory not ap-proved for use with this heater.

Due to high temperatures, theappliance should be located outof traffic and away from furnitureand draperies.

Do not place clothing or otherflammable material on or nearthe appliance. Never place anyobjects on the heater.

Fireplace front and screen be-come very hot when running fire-place. Keep children and adultsaway from hot surfaces to avoidburns or clothing ignition. Fire-place will remain hot for a timeafter shut-down. Allow surfacesto cool before touching.

Carefully supervise young childrenwhen they are in the room withfireplace. When using the optionalhand-held remote accessory, keepselector switch in the off positionto prevent children from turningon burners with remote.

You must operate this fireplacewith the fireplace screen andhood in place. Make sure fire-place screen and hood are inplace before running fireplace.

Keep the appliance area clear andfree from combustible materials,gasoline, and other flammable va-pors and liquids.

3105269

OWNER’S MANUAL

AUTOONOFF

COOLER

WARMER

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PRODUCTIDENTIFICATION

LOCAL CODESInstall and use fireplace with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of The National Fuel GasCode ANS Z223.1, also known as NFPA 54*.

*Available from:

American National Standards Institute, Inc.1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.Batterymarch ParkQuincy, MA 02269

UNPACKING

1. With utility knife, cut the carton all theway around above the staples on thebottom tray. Lift the carton off theheater. Remove packing. Note: Thehood is located in the packing on theright hand side of the heater front. Liftthe heater off the bottom tray.

2. Locate two screws above top cornersof the fireplace screen. Remove anddiscard these screws. Lift fireplacescreen up and pull out to remove.

3. Remove protective packaging applied tologs, log base assembly, and fireplace.

4. Remove fireplace hood from cartoninsert.

5. Check all items for any shipping dam-age. If damaged, promptly informdealer where you bought fireplace.

Figure 1 - Log Base Assembly

Figure 2 - Fireplace

Top LouverAssembly

FireboxHood

Bottom LouverAssembly

ScreenAssembly

Top OuterCasing

FireboxSupport

Blower Assembly(Optional)

One Piece Log Set

Remote SelectorSwitch (Optional)

PiezoIgnitor

Optional RemoteControl

ControlKnobs

WARNING: Do not removethe metal data plates attached tothe heater base assembly. Thedata plates contain importantwarranty information.

4 105269


AIR FORCOMBUSTION ANDVENTILATION

Today’s homes are built more energy effi-cient than ever. New materials, increasedinsulation, and new construction methodshelp reduce heat loss in homes. Home ownersweather strip and caulk around windows anddoors to keep the cold air out and the warm airin. During heating months, home ownerswant their homes as airtight as possible.

While it is good to make your home energyefficient, your home needs to breathe. Freshair must enter your home. All fuel-burningappliances need fresh air for proper com-bustion and ventilation.

Exhaust fans, fireplaces, clothes dryers, andfuel burning appliances draw air from thehouse to operate. You must provide ad-equate fresh air for these appliances. Thiswill insure proper venting of vented fuel-burning appliances.

PROVIDING ADEQUATEVENTILATIONThe following are excerpts from NationalFuel Gas Code. NFPA 54/ANS Z223.1, Sec-tion 5.3, Air for Combustion and Ventilation.

All spaces in homes fall into one of the threefollowing ventilation classifications:

1. Unusually Tight Construction2. Unconfined Space3. Confined Space

The information on pages 4 through 6 willhelp you classify your space and provideadequate ventilation.

Unusually Tight Construction

The air that leaks around doors and win-dows may provide enough fresh air forcombustion and ventilation. However, in

Confined Space and UnconfinedSpace

The National Fuel Gas Code ANS Z223.1defines a confined space as a space whosevolume is less than 50 cubic feet per 1,000Btu per hour (4.8 m3 per kw) of the aggre-gate input rating of all appliances installedin that space and an unconfined space as aspace whose volume is not less than 50cubic feet per 1,000 Btu per hour (4.8 m3 perkw) of the aggregate input rating of allappliances installed in that space. Roomscommunicating directly with the space inwhich the appliances are installed*, throughopenings not furnished with doors, are con-sidered a part of the unconfined space.

This heater shall not be installed in a con-fined space or unusually tight constructionunless provisions are provided for adequatecombustion and ventilation air.

* Adjoining rooms are communicating onlyif there are doorless passageways or ventila-tion grills between them.

PRODUCTFEATURES

OPERATIONThis vent-free fireplace is clean burning. Itrequires no outside venting. There is no heatloss out a vent or up a chimney. Heat isgenerated by both realistic flames and glow-ing embers. When used without the blower,the fireplace requires no electricity makingit ideal for emergency backup heat.

SAFETY DEVICEThis fireplace has a pilot with an OxygenDepletion Sensing (ODS) safety shutoff sys-tem. The ODS/pilot is a required feature forvent-free room heaters. The ODS systemshuts off the fireplace if there is not enoughfresh air.

PIEZO IGNITION SYSTEMThis fireplace has a piezo ignitor. This sys-tem requires no matches, batteries, or othersources to light fireplace.

WARNING: This heater shallnot be installed in a confined spaceor unusually tight constructionunless provisions are providedfor adequate combustion and ven-tilation air. Read the following in-structions to insure proper freshair for this and other fuel-burningappliances in your home.

buildings of unusually tight construction,you must provide additional fresh air.

Unusually tight construction is de-fined as construction where:a. walls and ceilings exposed to the

outside atmosphere have a con-tinuous water vapor retarder witha rating of one perm (6 x 10 -11 kgper pa-sec-m 2) or less with open-ings gasketed or sealed and

b. weather stripping has beenadded on openable windows anddoors and

c. caulking or sealants are appliedto areas such as joints aroundwindow and door frames, be-tween sole plates and floors, be-tween wall-ceiling joints, be-tween wall panels, at penetra-tions for plumbing, electrical, andgas lines, and at other openings.

If your home meets all of the threecriteria above, you must provide ad-ditional fresh air. See Ventilation AirFrom Outdoors , page 6 .If your home does not meet all of thethree criteria above, proceed to Deter-mining Fresh-Air Flow for FireplaceLocation on page 5.

OPTIONAL REMOTECONTROL UNITSThere are four optional remote controls thatcan be purchased separately for this logheater:

• wall switch

• wall thermostat

• hand-held ON/OFF remote

• hand-held thermostat remote

See Accessories, pages 22 and 23.

OPTIONAL BLOWERASSEMBLY (GA3700 SERIES& GA3700TA SERIES)This fireplace accepts an optional blowerassembly (not included). The GA3700TASeries blower operates thermostatically andfeatures a variable speed control. TheGA3700 Series blower operates manuallyand also features a variable speed control.The blower circulates heated air from thefireplace into the room. See Accessories,pages 22 and 23.

5105269

OWNER’S MANUAL

AIR FORCOMBUSTION ANDVENTILATIONContinuedDETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATION

Determining if You Have a Confined or Unconfined Space

Use this work sheet to determine if you have a confined or unconfined space.

Space: Includes the room in which you will install fireplace plus any adjoining rooms with doorless passageways or ventilation grillsbetween the rooms.

1. Determine the volume of the space (length x width x height).

Length x Width x Height = _________________cu. ft. (volume of space)

Example: Space size 22 ft. (length) x 18 ft. (width) x 8 ft. (ceiling height) = 3168 cu. ft. (volume of space)

If additional ventilation to adjoining room is supplied with grills or openings, add the volume of these rooms to the total volume ofthe space.

2. Divide the space volume by 50 cubic feet to determine the maximum Btu/Hr the space can support.

_________________(volume of space) ÷ 50 cu. ft. = (Maximum Btu/Hr the space can support)

Example: 3168 cu. ft. (volume of space) ÷ 50 cu. ft. = 63.3 or 63,300 (maximum Btu/Hr the space can support)

3. Add the Btu/Hr of all fuel burning appliances in the space.

Vent-free fireplace ___________________ Btu/Hr

Gas water heater* ___________________ Btu/Hr

Gas furnace ___________________ Btu/Hr

Vented gas heater ___________________ Btu/Hr

Gas fireplace logs ___________________ Btu/Hr

Other gas appliances* + ___________________ Btu/Hr

Total = ___________________ Btu/Hr

* Do not include direct-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.

_____________ Btu/Hr (maximum the space can support)

_____________ Btu/Hr (actual amount of Btu/Hr used)

Example: 63,300 Btu/Hr (maximum the space can support)

73,000 Btu/Hr (actual amount of Btu/Hr used)

The space in the above example is a confined space because the actual Btu/Hr used is more than the maximum Btu/Hr the space can support.You must provide additional fresh air. Your options are as follows:

A. Rework work sheet, adding the space of an adjoining room. If the extra space provides an unconfined space, remove door to adjoin-ing room or add ventilation grills between rooms. See Ventilation Air from Inside Building, page 6.

B. Vent room directly to the outdoors. See Ventilation Air from Outdoors, page 6.

C. Install a lower Btu/Hr fireplace, if lower Btu/Hr size makes room unconfined.

If the actual Btu/Hr used is less than the maximum Btu/Hr the space can support, the space is an unconfined space. You will need noadditional fresh air ventilation.

Continued

Example:Gas water heater 40,000 Btu/Hr

Vent-free fireplace + 33,000 Btu/Hr

Total = 73,000 Btu/Hr

WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined spaceor if the building is of unusually tight construction, provide adequate combustion and ventilation air by one ofthe methods described in the National Fuel Gas Code, ANS Z223.1, Section 5.3 or applicable local codes.

6 105269


AIR FORCOMBUSTION ANDVENTILATIONContinued

VENTILATION AIR

Ventilation Air From InsideBuilding

This fresh air would come from an adjoiningunconfined space. When ventilating to anadjoining unconfined space, you must pro-vide two permanent openings: one within12" of the ceiling and one within 12" of thefloor on the wall connecting the two spaces(see options 1 and 2, Figure 3). You can alsoremove door into adjoining room (see op-tion 3, Figure 3). Follow the National FuelGas Code NFPA 54/ANS Z223.1, Section5.3, Air for Combustion and Ventilation forrequired size of ventilation grills or ducts.

Figure 4 - Ventilation Air from Outdoors

Ventilation Air From Outdoors

Provide extra fresh air by using ventilationgrills or ducts. You must provide two per-manent openings: one within 12" of theceiling and one within 12" of the floor.Connect these items directly to the outdoorsor spaces open to the outdoors. These spacesinclude attics and crawl spaces. Follow theNational Fuel Gas Code NFPA 54/ANSZ223.1, Section 5.3, Air for Combustionand Ventilation for required size of ventila-tion grills or ducts.

IMPORTANT: Do not provide openings forinlet or outlet air into attic if attic has a thermo-stat-controlled power vent. Heated air enter-ing the attic will activate the power vent.

Figure 3 - Ventilation Air from Inside Building

OutletAir

VentilatedAttic

OutletAir

InletAir

Inlet Air Ventilated Crawl Space

To CrawlSpace

To Attic

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WARNING: Rework work-sheet, adding the space of theadjoining unconfined space. Thecombined spaces must haveenough fresh air to supply allappliances in both spaces.

OrRemoveDoor intoAdjoining

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Option 2

VentilationGrills

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12"

7105269

OWNER’S MANUAL

INSTALLATION

CAUTION: This fireplace cre-ates warm air currents. These cur-rents move heat to wall surfacesnext to fireplace. Installing fire-place next to vinyl or cloth wallcoverings or operating fireplacewhere impurities (such as to-bacco smoke, aromatic candles,cleaning fluids, oil or kerosenelamps, etc.) in the air exist, maydiscolor walls.

Note: Your fireplace is designed to be usedin zero clearance installations. Wall or fram-ing material can be placed directly againstany exterior surface on the rear, sides, or topof your fireplace, except where standoffspacers are integrally attached. If standoffspacers are attached to your fireplace, thesespacers can be placed directly against wallor framing materials.

Figure 5 - Installing Hood to Firebox

WARNING: A qualified ser-vice person must install fireplace.Follow all local codes.

WARNING: Never install thefireplace• in a bedroom or bathroom• in a recreational vehicle• where curtains, furniture,

clothing, or other flammableobjects are less than 42 inchesfrom the front, top, or sides ofthe fireplace

• in high traffic areas• in windy or drafty areas

ASSEMBLING ANDATTACHING OPTIONALBRASS TRIM(Included with Mantel Accessory)IMPORTANT: If you are recessing the fire-box in a wall, do not attach brass trim at thistime. See page 9.

Note: The instructions below show assem-bling and attaching brass trim to fireplace.1. Remove packaging from three pieces

of brass trim.2. Locate four brass screws, two adjust-

ing plates with set screws, and twoshims in the hardware packet.

3. Align shim under adjusting plate asshown in Figure 6.

4. Slide one end of adjusting plate/shimin slot on mitered edge of top brass trim(see Figure 6).

5. Slide other end of adjusting plate/shimin slot on mitered edge of side brasstrim (see Figure 6).

6. While firmly holding edges of brasstrim together, tighten both set screwson the adjusting plate with slottedscrewdriver.

7. Repeat steps 1 through 6 for other side.

NOTICE: This heater is intendedfor use as supplemental heat. Usethis heater along with your pri-mary heating system. Do not in-stall this heater as your primaryheat source. If you have a centralheating system, you may runsystem’s circulating blower whileusing heater. This will help circu-late the heat throughout thehouse. In the event of a poweroutage, you can use this heateras your primary heat source.

Use the dimensions shown for rough openingsto create the easiest installation. See Built-InFireplace Installation, pages 9 and 10.

IMPORTANT: Vent-free heaters add mois-ture to the air. Although this is beneficial,installing fireplace in rooms without enoughventilation air may cause mildew to formfrom too much moisture. See Air for Com-bustion and Ventilation, pages 4 through 6.

IMPORTANT: Make sure the fireplace islevel. If fireplace is not level, log set will notwork properly.

CHECK GAS TYPEUse only natural gas. If your gas supply isnot natural gas, do not install fireplace. Calldealer where you bought fireplace for propertype fireplace.

ELECTRICAL HOOKUP(Models GA3700 Series andGA3700T Series BlowerAccessories, and GA3555Internal Duplex Kit)

This fireplace accepts a blower assemblywith an electrical cord. The electrical cord isfive feet in length. You must locate fireplacewithin reach of a 120 volt grounded electri-cal outlet. If not, you must install an electri-cal outlet within reach of fireplace powercord. The GA3555 outlet accessory may beused for built-in applications with bloweraccessory installed.

INSTALLING HOODInstall hood to top of firebox as shown inFigure 5. Use 3 Phillips screws provided.

Continued

Figure 6 - Assembling Brass Trim

Side BrassTrim

TopBrassTrim

SlotMitered Edge

Slot

Shim

Set Screws

AdjustingPlate

8 105269


Figure 9 - Placing Hearth Base AccessoryAgainst Wall

Figure 10 - Installing Cabinet Mantel

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CONVENTIONAL FIREPLACEINSTALLATIONConventional installation of this fireplaceinvolves installing fireplace along with thecorner, face, or cabinet mantel with hearthbase accessories against a wall in your home.Follow the instructions below to install thefireplace in this manner.

Note: The instructions below show installa-tion using the cabinet mantel and theG3000F/G3001U/G3004W/G3006F/G3007U series hearth base accessories. Thehearth base accessory shown is optional forthis installation. You can install fireplaceand cabinet/corner mantel directly on thefloor. The corner mantel accessory cannotbe installed with the G3000F/G3001U/G3004W/G3006F/G3007U hearth bases.The corner mantel can be paired with theG3008F/G3009U/G3010F corner hearthbase. If mounting fireplace and cabinet orcorner mantel to the floor, an optional G3005Slim Base kit may be installed.

1. Assemble cabinet mantel, hearth base,and trim accessories. Assembly instruc-tions are included with each accessory.

2. When installing blower, install a prop-erly grounded, 120 volt three-prongelectrical outlet at fireplace location ifan outlet is not there. If possible, lo-cate outlet so cabinet mantel will coverit when installed (see Figure 9).

3. Install gas piping to fireplace location.This installation includes an approvedflexible gas line (if allowed by localcodes) after the equipment shutoffvalve. The flexible gas line must be thelast item installed on the gas piping. SeeInstalling Gas Piping to Fireplace Lo-cation, pages 10 and 11.

INSTALLATIONContinued

INSTALLATIONCLEARANCES

WARNING: Maintain the mini-mum clearances. If you can, pro-vide greater clearances fromfloor, ceiling, and adjoining wall.

Carefully follow the instructions below. Thiswill ensure safe installation.

Minimum Clearances For SideCombustible Material, Side Wall,and CeilingA. Clearances from the side of the fireplace

cabinet to any combustible material andwall should follow diagram in Figure 8.

Example: The face of a mantel, book-shelf, etc. is made of combustible ma-terial and protrudes 3 1/2" from the wall.This combustible material must be 4"from the side of the fireplace opening(see Figure 8).

B. Clearances from the top of the fireplaceopening to the ceiling should not be lessthan 42 inches.

Figure 8 - Minimum Clearance forCombustible to Wall

.5 2

7/16

7/8

13/4

31/2

51/4

7

8 3/4

101/2

121/4

1 4 6 8 10 12 14 16FIREBOX

INCHES

INC

HE

S

*Minimum 16 inches from Side Wall

*

Example

Figure 7 - Attaching Brass Trim toFireplace

TrimHangingScrews

AssembledBrass Trim

HangingNotcheson Trim

8. Tighten trim hanging screws (#10 x6.25 shoulder) into holes in cabinets.Place the assembled trim onto fireplacecabinet. Align hanging notches on trimwith hanging screws on side of fire-place (see Figure 7). Push trim firmlyinto place, sliding hanging notches overhanging screws.

4. Place hearth base accessory againstwall at installation location. Cut an ac-cess hole in hearth top to run gas lineto fireplace (see Figure 9). Make sureto locate access hole so cabinet mantelwill cover it when installed. Note: Youcan secure base to floor using woodscrews. Countersink screw heads andputty over.

5. Route gas line through access hole inhearth base.

6. Center cabinet mantel on hearth base(see Figure 10). Make sure mantel isflush against wall.

7. Break off nailing flanges (see Figure11, page 9) with hammer or pliers.

8. Place cardboard or other protectivematerial on top of hearth base. Care-fully set fireplace on protective mate-rial, with back of fireplace inside man-tel opening.

9. If blower is installed, route blower elec-trical cord through access holes in ei-ther side of fireplace. Note: Bushingmay be moved if necessary. Plug elec-trical cord into electrical outlet.

9105269

OWNER’S MANUAL


Figure 12 - Inserting Fireplace Into CabinetMantel

Figure 11 - Location of Nailing Flanges

Continued

BUILT-IN FIREPLACEINSTALLATIONBuilt-in installation of this fireplace involvesinstalling fireplace into a framed-in enclo-sure. This makes the front of fireplace flushwith wall. If installing a mantel above thefireplace, you must follow the clearancesshown in Figure 16, page 10 . Follow theinstructions below to install the fireplace inthis manner.

Actual Framing

Height 32 3/8" 33"

Front Width 34 5/16" 35 1/2"

Depth 16 11/16" 17 3/4"

1. Frame in rough opening. Use dimen-sions shown in Figure 13 for the roughopening.

If installing in a corner, use dimen-sions shown in Figure 14 for the roughopening. The height is 33" which isthe same as the wall opening above.

2. If using blower, install and properlyground GA3555, three-prong 120 voltelectrical outlet, in fireplace. Followinstructions included in kit (see Acces-sories, pages 22 and 23).

3. Install gas piping to fireplace location.This installation includes an approvedflexible gas line (if allowed by localcodes) after the equipment shutoffvalve. The flexible gas line must bethe last item installed on the gas pip-ing. See Installing Gas Piping to Fire-place Location, pages 10 and 11.

4. Carefully set fireplace in front ofrough opening with back of fireplaceinside wall opening.

5. Attach flexible gas line to gas supply.See Connecting Fireplace to Gas Sup-ply, page 11.

6. Carefully insert fireplace into roughopening.

7. Attach fireplace to wall studs usingnails or wood screws through holes innailing flange (see Figure 15).

8. Check all gas connections for leaks. SeeChecking Gas Connections, page 12.

35 1/2"

17 3/4"

33"

Figure 13 - Rough Opening for Installingin Wall

39 3/8"27 7/8"

55 5/8" 35 1/2"

Figure 14 - Rough Opening for Installingin Corner

9. Plug electrical cord into electrical out-let installed in step 2.

10. Install brass trim after final finishingand/or painting of wall (see Figure 7,page 8).

Figure 15 - Attaching Fireplace to WallStuds

Nailing Flanges

Nails orWoodScrews

10. Carefully insert fireplace into cabinetmantel. Be careful not to scratch ordamage hearth base, cabinet mantel, orany laminate trim on hearth base. Re-move protective material from top ofhearth base and from front of fireplace(if any). Note: You can secure fireplaceto hearth or floor. Open lower louver.Locate screw holes in bottom of base.Tighten wood screws through theseholes and into hearth or floor.

11. Attach gas line from fireplace gas regu-lator to gas supply. See ConnectingFireplace to Gas Supply, page 11.


NailingFlanges

10 105269


INSTALLING GAS PIPING TOFIREPLACE LOCATION

Installation Items Needed

Before installing fireplace, make sure youhave the items listed below.

• piping (check local codes)

• sealant (resistant to propane/LP gas)

• equipment shutoff valve *

• test gauge connection *

• sediment trap

• tee joint

• pipe wrench

* A CSA/AGA design-certified equipmentshutoff valve with 1/8" NPT tap is an accept-able alternative to test gauge connection.Purchase the optional CSA/AGA design-certified equipment shutoff valve from yourdealer. See Accessories, pages 22 and 23.

WARNING: A qualified ser-vice person must connect fire-place to gas supply. Follow alllocal codes.

WARNING: Never connectfireplace to private (non-utility)gas wells. This gas is commonlyknown as wellhead gas.

CAUTION: Use only new,black iron or steel pipe. Inter-nally-tinned copper tubing maybe used in certain areas. Checkyour local codes. Use pipe of 1/2"diameter or greater to allowproper gas volume to fireplace. Ifpipe is too small, undue loss ofpressure will occur.

Mantel Clearances for Built-InInstallation

If placing mantel above built-in fireplace,you must meet minimum clearance betweenmantel shelf and top of fireplace opening.

If your installation does not meet the belowminimum clearances, you must:

• raise the mantel to an acceptable height,

OR

• remove the mantel.

Figure 16 - Minimum Mantel Clearances for Built-In Installation

Installation must include an equipmentshutoff valve, union, and plugged 1/8" NPTtap. Locate NPT tap within reach for testgauge hook up. NPT tap must be upstreamfrom fireplace (see Figure 17, page 11).


Supplied FireboxHood Must BeUsed at All Times

Wire-meshScreen

Firebox

NoncombustibleMaterial MayProject Off thisSurface abovethe Firebox Hood

Mantel Shelf

13" 16" 19" 21"

2 1/2"

6"

8"

10"

��

��

Note: All verticalmeasurements arefrom top of fireplacehood opening to bottomof mantel shelf.These minimumclearances replace anyother recommendedclearances supplied withyour ANS Z21.11.2approved gas logs.

Wall board or facingmaterial (abovefirebox) may be ofcombustible material,including decorativemantel ornaments orother similar projec-tions off of the facingmaterial.

FramingMaterial

WARNING: This appliance re-quires a 1/2" NPT (National PipeThread) inlet connection to thepressure regulator.

11105269

OWNER’S MANUAL

CSA/AGA Design-Certified EquipmentShutoff Valve With1/8" NPT Tap*

3" Minimum

From GasMeter (5"W.C. to10.5" W.C.Pressure)

Pipe Cap TeeNipple Joint

Sediment Trap

Figure 17 - Gas Connection

* Purchase the optional CSA/AGA design-certified equipment shutoff valve from yourdealer. See Accessories, pages 22 and 23

CAUTION: Use pipe joint seal-ant that is resistant to liquid pe-troleum (LP) gas.

We recommend that you install a sedimenttrap in supply line as shown in Figure 17.Locate sediment trap where it is withinreach for cleaning. Install in piping systembetween fuel supply and heater. Locate sedi-ment trap where trapped matter is not likelyto freeze. A sediment trap traps moistureand contaminants. This keeps them fromgoing into fireplace gas controls. If sedi-ment trap is not installed or is installedwrong, fireplace may not run properly.


Installation Items Needed• 5/16" hex socket wrench or nut-driver

• Phillips screwdriver

• sealant (resistant to propane/LP gas, notprovided)

1. Remove fireplace screen. Remove twoscrews that hold fireplace screen inplace for shipping. These screws arelocated near top of screen. Discardscrews. Lift fireplace screen up and pullout to remove.

2. Remove screws that attach log baseassembly to fireplace (see Figure 18).Carefully lift up log base assembly andremove from fireplace (see Figure 18).

Note: If adding the G8000 series brick lineraccessory, install it now. Follow instruc-tions in G8000 accessory kit.

CONNECTING FIREPLACETO GAS SUPPLY

CAUTION: Do not pick up logbase assembly by burners. Thiscould damage burners. Onlyhandle base by grates.

Continued

3. Route gas line (provided by installer)from equipment shutoff valve to fire-place. Route flexible gas supply linethrough one of the access holes.

Figure 18 - Removing Log Base AssemblyFrom Fireplace

Figure 19 - Attaching Flexible Gas LinesTogether

4. Attach the flexible gas line to gas sup-ply (see Figure 19). Check tightness offlexible gas line attached to gas regu-lator of fireplace (see Figure 19).


6. Replace log base assembly back intofireplace. Feed flexible gas line into fire-place base area while replacing log baseassembly. Make sure the entire flexiblegas line is in fireplace base area. Reat-tach log base assembly to fireplace withscrews removed in step 2.

NOTICE: Most building codes donot permit concealed gas con-nections. A flexible gas line isprovided to allow accessibilityfrom the fireplace (see Figure 19).The flexible gas supply line con-nection to the equipment shutoffvalve should be accessible.

To GasMeter

➞

➞

Flexible GasLine fromFireplace GasRegulator

To FireplaceGas Regulator

EquipmentShutoff ValveProvided byInstaller

IMPORTANT: Install equipment shutoffvalve in an accessible location. The equip-ment shutoff valve is for turning on orshutting off the gas to the appliance.

Check your building codes for any specialrequirements for locating equipment shutoffvalve to fireplaces.

Apply pipe joint sealant lightly to malethreads. This will prevent excess sealantfrom going into pipe. Excess sealant in pipecould result in clogged fireplace valves. Donot use sealant on flare threads.

12 105269


Figure 21 - Checking Gas Joints

Test Pressures Equal To or Less Than1/2 PSIG (3.5 kPa)

1. Close equipment shutoff valve (see Fig-ure 20).

2. Pressurize supply piping system by ei-ther using compressed air or openingmain gas valve located on or near gasmeter.

3. Check all joints from gas meter toequipment shutoff valve (see Figure21). Apply mixture of liquid soap andwater to gas joints. Bubbles formingshow a leak.

4. Correct all leaks at once.

Figure 20 - Equipment Shutoff Valve

ONPOSITION

OFFPOSITION

Open

Closed

EquipmentShutoffValvePressure Testing Gas Supply

Piping System

Test Pressures In Excess Of 1/2 PSIG(3.5 kPa)

1. Disconnect fireplace and its individualequipment shutoff valve from gas sup-ply piping system. Pressures in excessof 1/2 psig will damage fireplace gasregulator.

2. Cap off open end of gas pipe whereequipment shutoff valve was con-nected.

3. Pressurize supply piping system by ei-ther using compressed air or openingmain gas valve located on or near gasmeter.

4. Check all joints of gas supply pipingsystem. Apply mixture of liquid soapand water to gas joints. Bubbles form-ing show a leak.


6. Reconnect fireplace and equipmentshutoff valve to gas supply. Check re-connected fittings for leaks.

CHECKING GASCONNECTIONS

WARNING: Test all gas pip-ing and connections for leaksafter installing or servicing. Cor-rect all leaks at once.

WARNING: Never use an openflame to check for a leak. Apply amixture of liquid soap and waterto all joints. Bubbles forming showa leak. Correct all leaks at once.


Pressure Testing Fireplace GasConnections1. Open equipment shutoff valve (see Fig-

ure 20).

2. Open main gas valve located on or neargas meter.

3. Make sure control knob of fireplace isin the OFF position.

4. Check all joints from equipment shutoffvalve to gas control valve (see Figure21). Apply mixture of liquid soap andwater to gas joints. Bubbles formingshow a leak.


6. Light fireplace (see Operating Fire-place, pages 14 through 16). Check allother internal joints for leaks.

7. Turn off fireplace (see To Turn Off Gasto Appliance, page 15).

EquipmentShutoffValve

Gas Control Valve

Gas Meter

13105269

OWNER’S MANUAL

Figure 22 - Installing One Piece Log Set

Figure 23 - Installing One Piece Log Set(Top View)

Notches

Figure 24 - Installing Fireplace Screen

WARNING: After installationand periodically thereafter, checkto ensure that no flame comes incontact with any log. With theheater set to High, check to see ifflame contact any log. If so, repo-sition logs according to the loginstallation instructions in thismanual. Flames contacting logswill create soot.

Screws forMounting Screen

It is very important to install the logs exactlyas instructed. Do not modify logs. Only uselogs supplied with heater.

1. Place one-piece log set on grate to fitas illustrated in Figure 22. Make suremiddle section at bottom of log set isseated into "U"-shaped cutout in cen-ter of chassis (see Figure 23).

IMPORTANT: Make sure log does notcover any burner ports.

2. Install fireplace screen by slippingnotches of fireplace screen over screwson front of fireplace (see Figure 24).

WARNING: You must operatethis fireplace with the fireplacescreen in place. Make sure fire-place screen is in place beforerunning fireplace.

WARNING: Failure to positionthe parts in accordance with thesediagrams or failure to use onlyparts specifically approved withthis heater may result in propertydamage or personal injury.

INSTALLING LOGS


One Piece Log SetBurner Ports

WARNING: Do not removethe metal data plates attached tothe heater base assembly. Thedata plates contain importantwarranty information.

O

FF

P

ILOT

O

N

H

I

LO

Chassis

"U"-shapedCutout inChassis

One PieceLog Set

Burner

MiddleSection atBottom of LogSet

14 105269


LIGHTINGINSTRUCTIONS

OPERATINGFIREPLACE

FOR YOUR SAFETYREAD BEFORE

LIGHTING

WARNING: If you do not fol-low these instructions exactly, afire or explosion may result caus-ing property damage, personalinjury or loss of life.

A. This appliance has a pilot which mustbe lighted by hand. When lighting thepilot, follow these instructions exactly.

B. BEFORE LIGHTING smell allaround the appliance area for gas. Besure to smell next to the floor becausesome gas is heavier than air and willsettle on the floor.WHAT TO DO IF YOU SMELLGAS• Do not try to light any appliance.• Do not touch any electric switch;

do not use any phone in your building.• Immediately call your gas supplier

from a neighbor’s phone. Followthe gas supplier’s instructions.

• If you cannot reach your gas sup-plier, call the fire department.

C. Use only your hand to push in or turnthe gas control knob. Never use tools.If the knob will not push in or turnby hand, don’t try to repair it, call aqualified service technician or gassupplier. Force or attempted repairmay result in a fire or explosion.

D. Do not use this appliance if any parthas been under water. Immediatelycall a qualified service technician toinspect the appliance and to replaceany part of the control system andany gas control which has been un-der water.

WARNING: You must operatethis heater with the fireplacescreen in place. Make sure fire-place screen is in place beforerunning heater.

NOTICE: During initial operationof new heater, burning logs willgive off a paper-burning smell.Open damper or window to ventsmell. This will only last a fewhours.

1. STOP! Read the safety information,column 1.

2. Make sure equipment shutoff valveis fully open.

3. Set switch to OFF position.

4. Press in and turn control knob clock-wise to the OFF position.

5. Wait five (5) minutes to clear out anygas. Then smell for gas, includingnear the floor. If you smell gas,STOP! Follow “B” in the safety in-formation. If you don’t smell gas, goto the next step.

6. Press in and turn control knob coun-terclockwise to the PILOTposition. Press in control knob forfive (5) seconds (see Figure 25).

WARNING: Burners will comeon automatically within oneminute when the selector switchis in the ON position after thepilot is lit.

CAUTION: Do not try to adjustheating levels by using the equip-ment shutoff valve.

Note: You may be running thisheater for the first time after hook-ing up to gas supply. If so, the con-trol knob may need to be pressed infor 30 seconds or more. This will al-low air to bleed from the gas system.

7. With control knob pressed in, pressand release ignitor button. This willlight pilot. The pilot is attached to thefront burner. If needed, keep press-ing ignitor button until pilot lights.

Note: If pilot does not stay lit, con-tact a qualified service person or gassupplier for repairs. Until repairs aremade, light pilot with match. To lightpilot with match, see Manual Light-ing Procedure on page 15.

8. Keep control knob pressed in for 30seconds after lighting pilot. After 30seconds, release control knob.• If control knob does not pop out

when released, contact a qualifiedservice person or gas supplier forrepairs.Note: If pilot goes out, repeat steps4 through 8.

9. Slightly push in and turn controlknob counterclockwise tothe ON position.

10. Wait one minute and switch selectorswitch to the ON position to lightburners.

11. Set flame adjustment knob to anylevel between HI and LO.

OFF

PILOTON

L O

IH

AUTOOFFON

Figure 25 - Control Knob and Ignitor Button Location (Shown as Supplied,No Control Options)

Control Knob

Ignitor Button

Selector SwitchFlame AdjustmentKnob

15105269

OWNER’S MANUAL

WARNING: Make sure theselector switch is in the OFF po-sition when you are away fromhome for long periods of time.Heater will come on automati-cally with selector switch in theON position.

IgnitorElectrode

Pilot Burner

Figure 26 - Pilot

TO TURN OFF GASTO APPLIANCE

MANUAL LIGHTINGPROCEDURE

1. Follow steps 1 through 6 under Light-ing Instructions, page 14.

2. Depress control knob and light pilotwith match.

3. Keep control knob pressed in for 30seconds after lighting pilot. After 30seconds, release control knob. Nowfollow steps 9 through 11 underLighting Instructions, page 14.

1. After lighting, let pilot flame burn forabout one minute. Turn control knobto ON position. Adjust flame adjust-ment knob anywhere between HIand LO. Slide the selector switch tothe REMOTE position (see Figure27). Note: The burners may light ifhand-held remote ON button was onwhen selector switch was last turnedoff. You can now turn the burners onand off with the hand-held remotecontrol unit.IMPORTANT: Do not leave the selec-tor switch in the REMOTE positionwhen the pilot is not lit. This will drainthe battery.IMPORTANT: Be sure to press theON/OFF buttons on the hand-heldremote control unit for up to 3 sec-onds to assure proper operation.

GHRC Series Operation:2a. Press the ON/OFF button to turn the

burner on and off. When turningburner off, the pilot will remain lit.

GHRCT Series Operation:2b. Press the AUTO/ON/OFF button on

the hand-held remote control (seeFigure 28, page 16). The lights to theleft of the button will show AUTO,ON, or OFF.

NOTICE: You must light the pilotbefore using the hand-held re-mote control unit. See LightingInstructions on page 14.

Continued

OPERATINGFIREPLACEContinued

Shutting Off Heater1. Turn control knob clockwise

to the OFF position.2a. Set selector switch in the OFF position.2b. If Using Optional Hand-Held Re-

mote: Set selector switch in the OFFposition to keep from draining battery.

Shutting Off Burners Only (pilotstays lit)You may shut off the burners and keepthe pilot lit by doing one of the following:• Turn control knob clockwise

to the PILOT position.• Use remote control manual OFF button.• Set selector switch in the OFF position.

OPTIONAL REMOTEOPERATION

Thermostat Control Operation

(Optional GHRCT Series Only) The ther-mostat control setting on the remote con-trol unit can be set to any comfort levelbetween WARMER and COOLER. Theburners will turn on and off automati-cally to maintain the comfort level youselect. The ideal comfort setting will varyby household depending upon the amountof space to be heated, the output of thecentral heating system, etc.

For wall thermostat operation, follow in-struction supplied with thermostat acces-sory GWMT1. For wall switch operationfollow instructions supplied with GWMS2.

Note: All remote control accessories mustbe purchased separately (see Accessories,pages 22 and 23). Follow instructions in-cluded with the remote control.

OFF

PILOTO

N

L O

IH

ONOFFREMOTE

Figure 27 - Setting the Selector Switch, Control Knob, and FlameAdjustment Knob for Remote Operation

Selector Switch in Remote Position(Optional Remote Control)

Control Knob inOn Position

Flame Adjustment Knob

16 105269


OPERATINGFIREPLACEContinued

Figure 29 - Correct Pilot Flame Pattern

Figure 30 - Incorrect Pilot Flame Pattern

Check pilot flame pattern and burner flamepatterns often.

PILOT FLAME PATTERNFigure 29 shows a correct pilot flame pattern.Figure 30 shows an incorrect pilot flamepattern. The incorrect pilot flame is not prop-erly heating the thermocouple. When thethermocouple cools, the heater will shut down.

If pilot flame pattern is incorrect, as shownin Figure 30

• turn heater off (see To Turn Off Gas toAppliance, page 15)

• see Troubleshooting, pages 17 through 19

INSPECTINGBURNERS

BURNER PRIMARY AIRHOLESAir is drawn into the burner through theholes in the fitting at the burner entrance.These holes may become blocked with dustor lint. Periodically inspect these holes forany blockage and clean if needed. Blockedair holes will create soot.

MAIN BURNERPeriodically inspect all burner flame holeswith the heater running. All slotted burnerflame holes should be open with yellowflame present. All round burner flame holesshould be open with a small blue flamepresent. Some burner flame holes may be-come blocked by debris or rust, with no flamepresent. If so, turn off heater and let cool.Either remove blockage or replace burner.Blocked burner flame holes will create soot.

• In the ON mode, the burners willignite. The heater is in manualmode when ON is lit.

• In the AUTO mode, the thermostatin the hand-held remote unit con-trols the room temperature. To in-crease the room temperature, pressthe top arrow of the TEMP button.To lower the room temperature,press the bottom arrow of theTEMP button. At higher settingsthe heater will run longer.IMPORTANT: This remote controlhas been specially engineered totake an air temperature sample ev-ery minute in the auto mode. It willnot respond immediately to thetemperature setting being turnedup or down.IMPORTANT: The hand-held re-mote control unit must be near theheater. Do not keep the hand-heldremote control unit too close to theheater. The thermostat on thehand-held remote control unit willheat up too quickly and turn theheater off.

3. To turn the burner off, press theAUTO/ON/OFF button until OFFlights. The pilot will remain lit.IMPORTANT: To turn the pilot off,manually turn the control knob on theheater to the OFF position.

Pilot Burner Thermocouple

Pilot BurnerThermocouple

Locate the blower switch by opening lowerlouver on fireplace. Blower switch is lo-cated at lower right inside louver door.

The GA3700T Series thermostat-con-trolled blower has a variable speed con-trol with an ON/OFF switch. The blowerwill start when the thermostat senses asufficient increase in firebox temperature.The GA3700 variable speed blower alsohas an ON/OFF switch built into the vari-able speed control.

Note for GA3700T Series Only: If youare using GA3700T blower, your fire-place and blower will not turn on and offat the same time. The fireplace may runfor several minutes before the blowerturns on. After the heater modulates tothe pilot position, the blower will con-tinue to run. The blower will shut off afterthe firebox temperature decreases.

Note: It is safe to operate fireplace withblower turned off. However, the blower helpsdistribute heated air from the fireplace.

Follow installation instructions includedwith the blower accessory.

OPTIONAL BLOWEROPERATION

Figure 28 - Thermostat Hand-Held Remote Control Unit Selections(GHRCT Series Only)

Shows TemperatureSetting

Increases RoomTemperature in AUTOMode

Decreases RoomTemperature in AUTOMode

Turns Burners On or Offand Allows You toChoose the Auto Setting

The Log Heater willAutomatically Cyclebetween Pilot and theHeat Setting that hasbeen Selected

17105269

OWNER’S MANUAL

TROUBLESHOOTING WARNING: Turn off heaterand let cool before servicing. Onlya qualified service person shouldservice and repair heater.

CAUTION: Never use a wire,needle, or similar object to cleanODS/pilot. This can damage ODS/pilot unit.

POSSIBLE CAUSE

1. Ignitor electrode not connected to igni-tor cable

2. Ignitor cable pinched or wet

3. Piezo ignitor nut is loose

4. Broken ignitor cable5. Bad piezo ignitor6. Ignitor electrode broken7. Ignitor electrode positioned wrong

1. Gas supply turned off or equipmentshutoff valve closed

2. Control knob not in PILOT position3. Control knob not pressed in while in

PILOT position4. Air in gas lines when installed

5. ODS/pilot is clogged

6. Gas regulator setting is not correct

1. Control knob not fully pressed in2. Control knob not pressed in long enough

3. Equipment shutoff valve not fully open4. Pilot flame not touching thermocouple,

which allows thermocouple to cool,causing pilot flame to go out. This prob-lem could be caused by one or both ofthe following:A) Low gas pressureB) Dirty or partially clogged ODS/pilot

5. Thermocouple connection loose at con-trol valve

6. Thermocouple damaged7. Control valve damaged

REMEDY

1. Reconnect ignitor cable

2. Free ignitor cable if pinched by anymetal or tubing. Keep ignitor cable dry

3. Tighten nut holding piezo ignitor to basepanel of log set. Nut is located behindbase panel

4. Replace ignitor cable5. Replace piezo ignitor6. Replace piezo ignitor7. Replace piezo ignitor

1. Turn on gas supply or open equipmentshutoff valve

2. Turn control knob to PILOT position3. Press in control knob while in PILOT

position4. Continue holding down control knob.

Repeat igniting operation until air isremoved

5. Clean ODS/pilot (see Cleaning andMaintenance, page 21) or replace ODS/pilot assembly

6. Replace gas control

1. Press in control knob fully2. After ODS/pilot lights, keep control

knob pressed in 30 seconds3. Fully open equipment shutoff valve4. A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning andMaintenance, page 21) or replace ODS/pilot assembly

5. Hand tighten until snug, then tighten1/4 turn more

6. Replace thermocouple7. Replace control valve

OBSERVED PROBLEM

When ignitor button is pressed, there is nospark at ODS/pilot

When ignitor button is pressed, there isspark at ODS/pilot but no ignition

ODS/pilot lights but flame goes out whencontrol knob is released

Continued

Note: For additional help, visit DESAInternational’s technical service web siteat www.desatech.com .

Note: All troubleshooting items are listed inorder of operation.

www.desatech.com

18 105269


OBSERVED PROBLEM

Burner does not light after ODS/pilot is lit

Delayed ignition burner

Burner backfiring during combustion

Slight smoke or odor during initial operation

Moisture/condensation noticed on windows

Heater produces a whistling noise whenburner is lit

White powder residue forming within burnerbox or on adjacent walls or furniture

Remote does not function (GHRC andGHRCT only)

REMEDY

1. Clean burner (see Cleaning and Mainte-nance, page 21) or replace burner orifice

2. Contact local natural gas company3. Replace burner orifice4. Reconnect leads (see Wiring Diagram,

page 20)5. Replace battery in transmitter and

receiver

1. Contact local natural gas company2. Clean burner (see Cleaning and Mainte-

nance, page 21) or replace burner orifice


2. Replace damaged burner3. Replace gas control

1. Check burner for dirt and debris. Iffound, clean burner (see Cleaning andMaintenance, page 21)

2. Replace gas control3. Problem will stop after a few hours of

operation

1. Refer to Air for Combustion and Venti-lation requirements (page 4)

1. Turn control knob to LO position andlet warm up for a minute

2. Operate burner until air is removed fromline. Have gas line checked by localnatural gas company

3. Observe minimum installation clear-ances (see pages 8 through 10)


1. Turn heater off when using furniture pol-ish, wax, cleaners, or similar products

1. Replace 9-volt batteries in receiver andremote control

TROUBLESHOOTINGContinued

POSSIBLE CAUSE

1. Burner orifice clogged

2. Inlet gas pressure is too low3. Burner orifice diameter is too small4. Thermopile leads disconnected or im-

properly connected5. Burners will not come on in remote

position

1. Manifold pressure is too low2. Burner orifice clogged

1. Burner orifice is clogged or damaged

2. Damaged burner3. Gas regulator defective

1. Not enough air

2. Gas regulator defective3. Residues from manufacturing processes

and logs curing

1. Not enough combustion/ventilation air

1. Turning control knob to HI positionwhen burner is cold

2. Air in gas line

3. Air passageways on heater blocked

4. Dirty or partially clogged burner orifice

1. When heated, vapors from furniture pol-ish, wax, carpet cleaners, etc. turn intowhite powder residue

1. Battery is not installed. Battery poweris low

www.desatech.com

19105269

OWNER’S MANUAL

TROUBLESHOOTINGContinued

POSSIBLE CAUSE

1. Metal expanding while heating or con-tracting while cooling

1. Fireplace burning vapors from paint, hairspray, glues, cleaners, chemicals, newcarpet, etc. (see IMPORTANT statementabove)

2. Gas leak. See Warning statementabove

1. Not enough fresh air is available2. Low line pressure3. ODS/pilot is partially clogged


2. Control valve defective

1. Foreign matter between control valveand burner


1. Improper log placement

2. Drafts or other air currents affectingflame pattern

3. Air holes at burner inlet blocked

4. Burner flame holes blocked

OBSERVED PROBLEM

Fireplace produces a clicking/ticking noisejust after burners are lit or shut off

Fireplace produces unwanted odors

Fireplace shuts off in use (ODS operates)

Gas odor even when control knob is in OFFposition

Gas odor during combustion

Dark residue on logs or inside of fireplaceNote: After removing all causes of residuedeposits, completely clean fireplace and ap-pliance of all residue before reusing appliance.

REMEDY

1. This is common with most fireplaces. Ifnoise is excessive, contact qualified ser-vice person

1. Open window and ventilate room. Stopusing odor causing products while fire-place is running

2. Locate and correct all leaks (see Check-ing Gas Connections, page 12)

1. Open window and/or door for ventilation2. Contact local natural gas company3. Clean ODS/pilot (see Cleaning and

Maintenance, page 21)


2. Replace control valve

1. Take apart gas tubing and remove for-eign matter


1. Properly locate logs (see Installing Logs,page 13)

2. Eliminate source of drafts around heater

3. Clean out air holes at burner inlet. Peri-odically repeat as needed

4. Remove blockage or replace burner

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. Follow the

gas supplier’s instructions.• If you cannot reach your gas supplier, call the fire department.

IMPORTANT: Operating fireplace where impurities in air exist may create odors. Cleaningsupplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles,etc., create fumes. These fumes may mix with combustion air and create odors. These odorswill disappear over time.

www.desatech.com

20 105269


SPECIFICATIONSVYGF33NRA Remote ReadyBtu (Variable) 20,000/30,000

Type Gas Natural Gas Only

Ignition Piezo

Pressure Manifold 3.5" W.C.

Inlet Gas Pressure (in. of water)

Maximum 10.5"

Minimum* 5"

Shipping Weight 122 lbs.

* For input adjustment

TECHNICALSERVICEYou 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).

You can also visit DESA International’stechnical services web site atwww.desatech.com.

REPLACEMENTPARTSNote: Use only original replacement parts.This will protect your warranty coverage forparts replaced under warranty.

PARTS UNDER WARRANTYContact authorized dealers of this product.If they can’t supply original replacementpart(s), call DESA International’s Techni-cal Service Department at 1-800-323-5190.When calling DESA International, haveready

• your name and address

• model and serial numbers of your heater

• how heater was malfunctioning

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

• purchase date

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

PARTS NOT UNDERWARRANTYContact authorized dealers of this product.If they can’t supply original replacementpart(s), call DESA International’s PartsDepartment at 1-800-972-7879 for referralinformation. When calling DESA Interna-tional, have ready

• model number of your heater

• the replacement part number

SERVICE HINTSWhen 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 lowor gas quality is bad. If so, contact yourlocal natural gas supplier.

AUTOOFFON

Thermopile

WIRING DIAGRAMNote: For proper operation of optional ac-cessories, the wires from the switch to thecontrol must be connected exactly as shown.

21105269

OWNER’S MANUAL

CLEANING ANDMAINTENANCE

WARNING: Turn off heaterand let cool before cleaning.

CAUTION: You must keep con-trol areas, burner, and circulatingair passageways of heater clean.Inspect these areas of heater be-fore each use. Have heater in-spected yearly by a qualified ser-vice person. Heater may needmore frequent cleaning due toexcessive lint from carpeting, pethair, bedding material, etc.

LOGS• If you remove logs for cleaning, refer to

Installing Logs, page 13, to properly re-place logs.

• Replace log(s) if broken or chipped(dime-sized or larger).

MAIN BURNERPeriodically inspect all burner flame holeswith the heater running. All slotted burnerflame holes should be open with yellowflame present. All round burner flame holesshould be open with a small blue flamepresent. Some burner flame holes may be-come blocked by debris or rust, with noflame present. If so, turn off heater and letcool. Either remove blockage or replaceburner. Blocked burner flame holes willcreate soot.

CLEANING BURNERINJECTOR HOLDER ANDPILOT AIR INLET HOLEThe primary air inlet holes allow the properamount of air to mix with the gas. Thisprovides a clean burning flame. Keep theseholes clear of dust, dirt, lint, and pet hair.Clean these air inlet holes prior to eachheating season. Blocked air holes will cre-ate soot. We recommend that you clean theunit every three months during operationand have heater inspected yearly by a quali-fied service person.

We also recommend that you keep the burnertube and pilot assembly clean and free ofdust and dirt. To clean these parts we recom-mend using compressed air no greater than30 PSI. Your local computer store, hard-ware store, or home center may carry com-pressed air in a can. You can use a vacuumcleaner in the blow position. If using com-pressed air in a can, please follow the direc-tions on the can. If you don't follow direc-tions on the can, you could damage the pilotassembly.

1. Shut off the unit, including the pilot.Allow the unit to cool for at least thirtyminutes.

2. Inspect burner, pilot, and primary airinlet holes on injector holder for dustand dirt (see Figure 31).

3. Blow air through the ports/slots andholes in the burner.

Figure 31 - Injector Holder On OutletBurner Tube

4. Check the injector holder located at theend of the burner tube again. Removeany large particles of dust, dirt, lint, orpet hair with a soft cloth or vacuumcleaner nozzle.

5. Blow air into the primary air holes onthe injector holder.

6. In case any large clumps of dust havenow been pushed into the burner repeatsteps 3 and 4.

Clean the pilot assembly also. A yellow tipon the pilot flame indicates dust and dirt inthe pilot assembly. There is a small pilot airinlet hole about two inches from where thepilot flame comes out of the pilot assembly(see Figure 32). With the unit off, lightlyblow air through the air inlet hole. You mayblow through a drinking straw if compressedair is not available.

BurnerTube

Injector Holder(May Be Brassor AluminumDepending onModel)

Primary Air InletHoles (Shape ofHoles May Varyby Model)

Figure 32 - Pilot Inlet Air Hole

BurnerTube

PilotAssembly

Pilot AirInletHole

Ports/Slots

22 105269


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CORNER MANTELGM200F Series - Walnut FinishedGM201U Series - UnfinishedGM202F Series - Oak Finished

Shown with optional laminate mantel trimaccessory.Dimensions (WxHxD): 60 7/8" x 48 3/4" x 34 5/8"

ACCESSORIES

EQUIPMENT SHUTOFFVALVE - GA5010For all models. Equipment shutoff valvewith 1/8" NPT tap. Fits 1/2" NPT pipe.

SLIM HEARTH BASE(Not Shown)G3005J Series - Jade MarbleLaminateG3005S Series - SandstoneMarble LaminateG3005B Series - Black OnyxMarble Laminate

The slim hearth base allows you to furthercustomize your fireplace.

Dimensions (WxHxD): 41 7/8" x 5/8" x 10"

Purchase these fireplace accessories fromyour local dealer. If they can not supplythese accessories, call DESA International’sSales Department at 1-800-432-2382 forinformation. You can also write to the ad-dress listed on the back page of this manual.

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CABINET MANTELGM100F Series - Walnut FinishedGM101U Series - UnfinishedGM106F Series - Oak Finished withMedium StainGM107U Series - UnfinishedGM102W Series - Off White Paint

Shown with optional base and laminatehearth and mantel trim accessories.

Dimensions (WxHxD): 56 3/4" x 48 3/4" x 20 5/8"

HARDWOOD HEARTH BASEG3000F Series- Walnut FinishedG3001U Series - UnfinishedG3006F Series - Oak Finishedwith Medium StainG3007U Series - Unfinished OakG3004W Series - Off White Finish

The hearth base can be used with the cabinetmantels to create a handsome riser for thefireplace (cannot be used with corner mantel).

Dimensions (WxHxD): 58" x 6 1/2" x 28 9/16"

BLOWER ACCESSORYGA3700 SERIES ANDGA3700T SERIESManual variable control and automatic ther-mostat variable control. A blower will in-crease air flow to maximize heat distribution.

CORNER HEARTH BASEG3008F Series - Walnut FinishedG3009U Series - UnfinishedG3010F Series - Oak Finished

The corner hearth base is designed for usewith the corner mantels to create a hand-some riser for the fireplace.Dimensions (WxHxD): 52 1/2" x 6" x 23 3/4"

23105269

OWNER’S MANUAL

ACCESSORIESContinued

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LAMINATE TRIM FORHEARTH OR MANTELG3002J Series - Jade MarbleLaminate Mantel TrimG3003J Series - Jade MarbleLaminate Hearth Base TrimG3002S Series - Sandstone MarbleLaminate Mantel TrimG3003S Series - Sandstone MarbleLaminate Hearth Base TrimG3002B Series - Black OnyxMarble Laminate TrimG3003B Series - Black OnyxMarble Laminate Hearth Base TrimMantel trim for cabinet, or corner mantel.Hearth base trim for hardwood hearthbases.

Hearth Base Trim

Mantel Trim

FIREBOX BRICK LINERG8000 SERIES(Not Shown)

Ceramic fiber firebox liner adds the look ofreal brick.

BRASS TRIM ACCESSORYGA6090(Not Shown)

Included with accessory mantels.

DUPLEX OUTLET KITGA3555(Not Shown)

For built-in installation when accessoryblowers are used.

RECEIVER AND HAND-HELDTHERMOSTAT REMOTECONTROL KITGHRCT SERIESFor all models. Allows the gas log heater tobe operated in a manually or thermostati-cally-controlled mode. You can turn the gaslog heater on and off without ever leavingthe comfort of your easy chair.

RECEIVER AND HAND-HELDREMOTE CONTROL KITGHRC SERIESFor all models. Allows the gas log heater tobe turned on and off by using a hand-heldremote control.

AUTOONOFF

COOLER

WARMER

TEMP

WALL-MOUNT THERMOSTATSWITCH - GWMT1(Not Shown)

For all models. The desired comfort settingcan be selected on the wall thermostat andthe log heater will automatically cycle frompilot to the heat setting selected.

WALL-MOUNT ON/OFFSWITCH - GWMS2(Not Shown)

For all models. Allows the gas log heater tobe turned on and off with a wall switch.

24 105269


ILLUSTRATEDPARTSBREAKDOWNREMOTE READY MODEL

VYGF33NRA

17

274

O

FF

P

ILOT

O

N

H

I

LO

8

12

26

7

64 3

2

1

5

9

28

14

13

25

15

16

21

11

10

19

2019

23

22

18

24

29

25105269

OWNER’S MANUAL

PARTS LISTREMOTE READY MODEL

VYGF33NRA

This list contains replaceable parts used in your fireplace. When ordering parts, follow theinstructions listed under Replacement Parts on page 20 of this manual.

KEYNO. PART NUMBER DESCRIPTION QTY.

1 102785-03 Log, Golden Oak 12 103779-01 ODS Pilot (NG) 13 098249-01 ODS Nut 24 100609-01 Pilot Tube (Regulator to Pilot) 15 104229-01 Burner Outlet Tube 16 102843-01 Burner Clip 17 099056-26 Burner Orifice Injector 18 102772-01 Burner 29 M11084-38 Screw, #8 x .38 210 104236-01CK Painted Base Assy 111 M12461-26 Screw, #10 x .32 412 104238-01CK Firebox Bottom 113 103284-03 Wiring Harness 114 098265-02 Elbow, Male 115 103782-01 Valve Bracket 116 103781-01 Gas Control Valve 117 098271-03 Ignitor Cable 118 102445-01 Piezo Ignitor 119 098304-01 Screw 720 099998-01 Switch 121 104241-01 Remote Switch Bracket 122 103587-01CK Switch Plate 123 097809-02 Male Connector 124 101628-03 Flexible Connector (Hose) 125 M50104-02 Bushing 126 M11084-26 Screw, #10 x .38 427 099918-02 Pilot Regulator 128 099387-07 Pilot Tube (Valve to Regulator) 129 901063-01 3/8" Flare x 1/2" NPT 1

PARTS AVAILABLE — NOT SHOWN

097555-01 Caution Decal 1104354-08 Information Video 1

26 105269


ILLUSTRATEDPARTSBREAKDOWNFIREPLACE

VYGF33NRA

4

11

14

8

14

9

3

14

9

9

2

1

6

7

10

14

12

5

14

13

16

15

27105269

OWNER’S MANUAL

PARTS LISTFIREPLACE

VYGF33NRA

This list contains replaceable parts used in your fireplace. When ordering parts, follow theinstructions listed under Replacement Parts on page 20 of this manual.

KEYNO. PART NUMBER DESCRIPTION QTY.

1 101357-01 Top Outer Casing 12 103207-01 Outer Casing 13 102758-02CK Right Front Side 14 102759-02CK Left Front Side 15 098304-01 Phillips Pan Head Screw, #10 96 104239-01CK Top Front Louver 17 101712-02 Firebox Hood 18 101348-01 Firebox Support 29 099230-02 Shoulder Screw 410 101872-03 Firebox Top 111 101346-01CK Outer Base 112 101838-03CJ Firebox Wrapper 113 101514-01CK Cover 114 M11084-26 Hex Screw, #10 4515 104242-01CK Bottom Louvered Door 116 101727-03 Screen Assembly 1

PARTS AVAILABLE — NOT SHOWN

101386-02 Louvered Door Hinge 2101784-01 Magnet Catch 2102307-01 Strike Plate 2

LIMITED WARRANTYVENT-FREE NATURAL GAS FIREPLACE

DESA International warrants this product to be free from defects in materials and components for four (4) years from the date offirst purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicableinstructions. To make a claim under this warranty the Bill of Sale or cancelled check must be presented.

This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heaterto proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center. Warranty part(s)MUST be obtained through authorized dealers of this product and/or DESA International who will provide original factoryreplacement parts. Failure to use original factory replacement parts voids this warranty. The heater MUST be installed by a qualifiedinstaller in accordance with all local codes and instructions furnished with the unit.

This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts that fail or becomedamaged as a result of misuse, accidents, lack of proper maintenance or defects caused by improper installation. Travel, diagnosticcost, labor, transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner.

TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THEPRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES ANDLIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF MERCHANTA-BILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR (4) YEARS ON ALL COMPONENTS FROM THE DATEOF FIRST PURCHASE; AND DESA INTERNATIONAL’S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICEOF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSO-EVER INCLUDING INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES.

Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental orconsequential damages, so the above limitation on implied warranties, or exclusion or limitation on damages may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.

For information about this warranty write:

2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004

www.desatech.com

INTERNATIONAL

KEEP THIS WARRANTY

WARRANTY INFORMATION

Model

Serial No.

Date Purchased

Always specify model and serial numbers when communicating with the factory.

We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard writtenwarranty. We make no other warranty, expressed or implied.

105269-01Rev. D09/00NOT A UPC

105269 01

unvented (vent-free) natural gas fireplace...1. this appliance is only for use with the type of gas...

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