BLUE-FLAME VENT-FREE NATURAL GAS HEATER - … Heaters/104411 … · · 2016-03-25BLUE-FLAME...

BLUE-FLAME VENT-FREENATURAL GAS HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

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 otherflammable vapors and liquids in the vicinity ofthis 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’sinstructions.

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

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

RN30ECGN20B

CGN20LB

WARNING: Improper installa-tion, adjustment, alteration, ser-vice, or maintenance can causeinjury or property damage. Re-fer to this manual for correctinstallation and operational pro-cedures. For assistance or ad-ditional information consult aqualified installer, serviceagency, or the gas supplier.

WARNING: This is an unventedgas-fired heater. It uses air(oxygen) from the room inwhich it is installed. Provisionsfor adequate combustion andventilation air must be pro-vided. Refer to Air for Com-bustion and Ventilation sec-tion on page 4 of this manual.

Save this manual for future reference.

This appliance may be installed in an aftermarket*, permanently located, manufactured (mobile)home, where not prohibited by local codes.

This appliance is only for use with the type of gas indicated on the rating plate. This appliance isnot convertible for use with other gases.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

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VENT-FREE NATURAL GAS HEATERS

BLUE-FLAME

Carbon Monoxide Poisoning: Early signsof carbon monoxide poisoning resemble theflu, with headaches, dizziness, or nausea. Ifyou have these signs, the heater may not beworking properly. Get fresh air at once!Have heater serviced. Some people are moreaffected by carbon monoxide than others.These include pregnant women, personswith heart or lung disease or anemia, thoseunder the influence of alcohol, and those athigh altitudes.

Natural Gas: Natural gas is odorless. Anodor-making agent is added to natural gas.The odor helps you detect a natural gas leak.However, the odor added to natural gas canfade. Natural gas may be present even thoughno odor exists.

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

SAFETYINFORMATION

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

WARNINGS

IMPORTANT: Read this owner’smanual carefully and completelybefore trying to assemble, oper-ate, or service this heater. Im-proper use of this heater cancause serious injury or death fromburns, fire, explosion, electricalshock, and carbon monoxidepoisoning.

DANGER: Carbon monoxidepoisoning may lead to death!

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

3. This heater shall not be installed in abedroom or bathroom.

4. This heater needs fresh, outside air ven-tilation to run properly. This heater hasan Oxygen Depletion Sensing (ODS)safety shutoff system. The ODS shutsdown the heater if not enough fresh airis available. See Air for Combustionand Ventilation, pages 4 through 6.

5. Keep all air openings in front and bot-tom of heater clear and free of debris.This will insure enough air for propercombustion.

6. If heater shuts off, do not relight untilyou provide fresh, outside air. If heaterkeeps shutting off, have it serviced.

7. Do not run heater• where flammable liquids or vapors

are used or stored• under dusty conditions

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. Do not use heater if any part has beenunder water. Immediately call a quali-fied service technician to inspect theroom heater and to replace any part ofthe control system and any gas controlwhich has been under water.

10. Turn off heater and let cool before ser-vicing. Only a qualified service personshould service and repair heater.

11 . Operating heater above elevations of4,500 feet could cause pilot outage.

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

Surface of heater becomes veryhot when running heater. Keepchildren and adults away fromhot surface to avoid burns orclothing ignition. Heater will re-main hot for a time after shut-down. Allow surface to cool be-fore touching.

Carefully supervise young chil-dren when they are in the sameroom with heater.

Make sure grill guard is in placebefore running heater.

Keep the appliance area clear andfree from combustible materials,gasoline and other flammablevapors and liquids.

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

WARNING: Do not use anyaccessory not approved for usewith this heater.

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OWNER’S MANUAL

PRODUCTIDENTIFICATION

Figure 1 - Vent-Free Natural Gas Heater

GrillGuard

Ignitor Button Control Knob

FrontPanel

Heat Shield(RN30E) or GlassPanel(CGN20[L]B)

HeaterCabinet

LOCAL CODESInstall and use heater with care. Follow alllocal codes. In the absence of local codes, usethe latest edition of National Fuel Gas CodeANS 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

UNPACKING1. Remove heater from carton.

2. Remove all protective packaging ap-plied to heater for shipment.

3. Check heater for any shipping damage.If heater is damaged, promptly informdealer where you bought heater.

PRODUCTFEATURESSAFETY DEVICEThis heater has a pilot with an OxygenDepletion Sensing (ODS) safety shutoffsystem. The ODS/pilot is a required featurefor vent-free heaters. The ODS/pilot shutsoff the heater if there is not enough fresh air.

PIEZO IGNITION SYSTEMThis heater has a piezo ignitor. This systemrequires no matches, batteries, or othersources to light heater.

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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,Section 5.3, Air for Combustion andVentilation.

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

1. Unusually Tight Construction

2. Unconfined Space

3. 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, inbuildings 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 ofthe three criteria above, proceed toDetermining Fresh-Air Flow for HeaterLocation on page 5.

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.

Confined and Unconfined Space

The National Fuel Gas Code ANSZ223.1defines 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.

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OWNER’S MANUAL

AIR FORCOMBUSTIONAND VENTILATIONContinued

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.

DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION

Determining if You Have a Confined or Unconfined Space

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

Space : Includes the room in which you will install heater plus any adjoining rooms with doorlesspassageways or ventilation grills between 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 20 ft. (length) x 16 ft. (width) x 8 ft. (ceiling height) = 2560 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: 2560 cu. ft. (volume of space) ÷ 50 cu. ft. = 51.2 or 51,200 (maximum Btu/Hr the space can support)

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

Vent-free heater ___________________Btu/Hr

Gas water heater* ___________________Btu/Hr

Gas furnace ___________________Btu/HrVented gas heater ___________________Btu/HrGas fireplace logs ___________________Btu/HrOther gas appliances*+ ___________________Btu/HrTotal = ___________________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: 51,200 Btu/Hr (maximum the space can support)

60,000 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 worksheet, 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 heater, 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.

Example:Gas water heater 40,000 Btu/Hr

Vent-free heater + 20,000 Btu/Hr

Total = 60,000 Btu/Hr

Continued

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Figure 2 - Ventilation Air from Inside Building

Or Remove Door into Adjoining

Room, Option 3

Ventilation Grills Into Adjoining Room,

Option 2

12"

12"

VentilationGrills

into AdjoiningRoom,

Option 1

AIR FORCOMBUSTIONAND VENTILATIONContinued

OutletAir

VentilatedAttic

OutletAir

InletAir

Inlet Air Ventilated Crawl Space

To CrawlSpace

To Attic

Figure 3 - Ventilation Air from Outdoors

Ventilation Air From OutdoorsProvide 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 Combustion andVentilation for required size of ventilationgrills or ducts.

IMPORTANT: Do not provide openings forinlet or outlet air into attic if attic has athermostat-controlled power vent. Heated airentering the attic will activate the power vent.

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 2). You can alsoremove door into adjoining room (see op-tion 3, Figure 2). Follow the National FuelGas Code NFPA 54/ANS Z223.1, Section5.3, Air for Combustion and Ventilation forrequired size of ventilation grills or ducts.

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

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OWNER’S MANUAL

INSTALLATION

CHECK GAS TYPEUse only natural gas. If your gas supply isnot natural, do not install heater. Call dealerwhere you bought heater for proper typeheater.

INSTALLATION ITEMSBefore installing heater, make sure you havethe items listed below:• piping (check local codes)• sealant (resistant to propane/LP gas)• equipment shutoff valve *• ground joint union• test gauge connection *• sediment trap• tee joint• pipe wrench

* A CSA/AGA design-certified equipmentshutoff valve with 1/8" NPT tap is an ac-ceptable alternative to test gauge connec-tion. Purchase the optional CSA/AGA de-sign-certified equipment shutoff valve fromyour dealer. See Accessories, page 22.

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

WARNING: Maintain the mini-mum clearances shown in Figure4. If you can, provide greater clear-ances from floor, ceiling, and join-ing wall.

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

CAUTION: This heater cre-ates warm air currents. Thesecurrents move heat to wall sur-faces next to heater. Installingheater next to vinyl or cloth wallcoverings or operating heaterwhere impurities (such as to-bacco smoke, aromatic candles,cleaning fluids, oil or kerosenelamps, etc.) in the air exist, maydiscolor walls.

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

clothing, or other flammableobjects are less than 36 inchesfrom the front, top, or sides ofthe heater

• as a fireplace insert• in high traffic areas• in windy or drafty areas

You can locate model CGN20B andCGN20LB on the floor, away from a wall.An optional floor mounting stand is needed.Purchase the floor mounting stand fromyour dealer. See Accessories, page 22.

LOCATING HEATERThis heater is designed to be mounted on awall.

CAUTION: If you install theheater in a home garage• heater pilot and burner must

be at least 18 inches abovefloor

• locate heater where movingvehicle will not hit it

For convenience and efficiency, install heater

• where there is easy access for operation,inspection, and service

• where strong wind gusts from an opendoor or garage door can not blow directlyinto heater.

An optional fan kit is available from yourdealer. See Accessories, page 22. If plan-ning to use fan, locate heater near an electri-cal outlet.

Figure 4 - Mounting Clearances As ViewedFrom Front of Heater

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 runsytem’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.

*Minimum ToTop Surface

of Carpeting, Tile orOther Combustible

Material RN30E-16 3/4"CGN20(L)B - 3"

36"Minimum

6" Minimumfrom Sides ofHeater

LeftSide

FLOOR

RightSide

CEILING

Continued

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INSTALLATIONContinued

INSTALLING HEATER TOWALLMounting Bracket

Locate mounting bracket in heater carton.Remove mounting bracket from heater carton.

Figure 5 - Mounting Bracket Location

Figure 6 - Removing Front Panel Of Heater

Removing Front Panel Of Heater1. Remove two screws near bottom cor-

ners of front panel.

2. Lift straight up on grill guard until it stops.Grill guard will slide up about 1/4".

3. Pull bottom of front panel forward, thendown.

4. Remove cardboard packing from grilland glass (CGN20[L]B) or heat shield(RN30E).

Methods For AttachingMounting Bracket To Wall

Only use last hole on each end of mountingbracket to attach bracket to wall. These twoholes are 16 inches apart from their centers.Attach mounting bracket to wall in one oftwo ways.

1. Attaching to wall stud

2. Attaching to wall anchor

Attaching to Wall Stud: This method pro-vides the strongest hold. Insert mountingscrews through mounting bracket and intowall studs.

Attaching to Wall Anchor : This methodallows you to attach mounting bracket tohollow walls (wall areas between studs) orto solid walls (concrete or masonry).

Decide which method better suits your needs.Either method will provide a secure hold forthe mounting bracket.

Marking Screw Locations1. Tape mounting bracket to wall where

heater will be located. Make suremounting bracket is level.

2. Mark screw locations on wall (see Fig-ure 7).

Note: Only mark last hole on each end ofmounting bracket. Insert mounting screwsthrough these holes only.

3. Remove tape and mounting bracketfrom wall.

16"

18 3/4"Min.

7 1/4"Min.

Adj

oini

ng W

all

Only Insert Mounting Screws Through Last

Hole On Each End

Floor

RN30E

CGN20(L)B

Figure 7 - Mounting Bracket Clearances

WARNING: Maintain minimumclearances shown in Figure 7. Ifyou can, provide greater clear-ances from floor and joining wall.

32 1/2"Min.

11"Min.

16"

Adj

oini

ng W

all

Only Insert Mounting Screws Through Last

Hole On Each End

Floor

9104411

OWNER’S MANUAL

Figure 9 - Popping Open Anchor WingsFor Thin Walls

Figure 8 - Folding Anchor

Attaching Mounting Bracket ToWallNote: Wall anchors, mounting screws, andspacers are in hardware package. The hard-ware package is provided with heater.

Attaching to Wall Stud MethodFor attaching mounting bracket to wall studs

1. Drill holes at marked locations using9/64" drill bit.

2. Place mounting bracket onto wall. Lineup last hole on each end of bracket withholes drilled in wall.

3. Insert mounting screws through bracketand into wall studs.

4. Tighten screws until mounting bracketis firmly fastened to wall studs.

Attaching to Wall Anchor MethodFor attaching mounting bracket to hollowwalls (wall areas between studs) or solidwalls (concrete or masonry)

1. Drill holes at marked locations using5/16" drill bit. For solid walls (concreteor masonry), drill at least 1" deep.

2. Fold wall anchor as shown in Figure 8.

3. Insert wall anchor (wings first) intohole. Tap anchor flush to wall.

4. For thin walls (1/2" or less), insert redkey into wall anchor. Push red key to“pop” open anchor wings.

IMPORTANT: Do not hammer key!

For thick walls (over 1/2" thick) or solidwalls, do not pop open wings.

5. Place mounting bracket onto wall. Lineup last hole on each end of bracket withwall anchors.

6. Insert mounting screws through bracketand into wall anchors.

7. Tighten screws until mounting bracketis firmly fastened to wall.


Figure 11 - Installing Bottom MountingScrews

Figure 10 - Mounting Heater OntoMounting Bracket

MountingBracket(attachedto wall)

HorizontalSlots

Stand-OutTab

Placing Heater On MountingBracket1. Locate two horizontal slots on back

panel of heater.

2. Place heater onto mounting bracket.Slide horizontal slots onto stand-outtabs on mounting bracket.

Installing Bottom MountingScrews1. Locate two bottom mounting holes.

These holes are near bottom on backpanel of heater (see Figure 11).

2. Mark screw locations on wall.

3. Remove heater from mounting bracket.

4. If installing bottom mounting screwsinto hollow or solid wall, install wallanchors. Follow steps 1 through 4 un-der Attaching To Wall Anchor Method.

If installing bottom mounting screwinto wall stud, drill holes at marked lo-cations using 9/64" drill bit.

5. Replace heater onto mounting bracket.

6. Place spacers between bottom mount-ing holes and wall anchor or drilledhole.

7. Hold spacer in place with one hand.With other hand, insert mounting screwthrough bottom mounting hole andspacer. Place tip of screw in openingof wall anchor or drilled hole.

8. Tighten both screws until heater isfirmly secured to wall. Do not overtighten.

Note: Do not replace front panel at thistime. Replace front panel after makinggas connections and checking for leaks(see pages 10 and 11).

Continued

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Install sediment trap in supply line as shownin Figure 12. Locate sediment trap where itis within reach for cleaning. Locate sedi-ment trap where trapped matter is not likelyto freeze. A sediment trap traps moistureand contaminants. This keeps them fromgoing into heater controls. If sediment trapis not installed or is installed wrong, heatermay not run properly.

IMPORTANT: Hold pressure regulatorwith wrench when connecting it to gas pip-ing and/or fittings.

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

INSTALLATIONContinuedCONNECTING TO GASSUPPLY

WARNING: A qualified serviceperson must connect heater to gassupply. Follow all local codes.

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

IMPORTANT: Check gas line pressure be-fore connecting heater to gas line. Gas linepressure must be no greater than 14 inchesof water. If gas line pressure is higher,heater regulator damage could occur.

Installation must include equipment shutoffvalve, union, and plugged 1/8" NPT tap.Locate NPT tap within reach for test gaugehook up. NPT tap must be upstream fromheater (see Figure 12).

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

Apply pipe joint sealant lightly to malethreads. This will prevent excess sealantfrom going into pipe. Excess sealant in thepipe could result in clogged heater valves.

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 heater. Ifpipe is too small, undue loss ofpressure will occur.

Typical Inlet Pipe Diameters

20,000 Btu/Hr models 3/8" or greater

30,000 Btu/Hr models 1/2" or greater

Figure 12 - Gas Connection

* A CSA/AGA design-certified equipment shutoff valve with 1/8" NPT tap is an acceptablealternative to test gauge connection. Purchase the optional CSA/AGA design-certifiedequipment shutoff valve from your dealer. See Accessories, page 22.

Tee Joint

ReducerBushing to1/8" NPT

1/8" NPTPlug Tap

PressureRegulator

TestGauge

Connection *

SedimentTrap

Tee Joint

Pipe Nipple

Cap

HeaterCabinet

3/8" NPTPipe Nipple

Note: Burner bracketnot shown for clarity

Equipment ShutoffValve *

Typical InletPipe FromGas Meter(5" W.C. to 10.5"W.C. Pressure)

Ground JointUnion

3" Minimum

WARNING: This appliance re-quires a 3/8" NPT (National PipeThread) inlet connection to thepressure regulator.

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OWNER’S MANUAL

EquipmentShutoffValve

Gas Meter

Control Valve Location

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

CHECKING GASCONNECTIONS

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

Pressure Testing Gas SupplyPiping System

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

1. Disconnect appliance with its appliancemain gas valve (control valve) and equip-ment shutoff valve from gas supply pip-ing system. Pressures in excess of 1/2 psigwill damage heater regulator.

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.

5. Correct all leaks at once.

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

Test Pressures Equal To or Less Than 1/2PSIG (3.5 kPa)

1. Close equipment shutoff valve (see Fig-ure 13).

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 Figure14). Apply mixture of liquid soap andwater to gas joints. Bubbles formingshow a leak.



Figure 13 - Equipment Shutoff Valve

Figure 14 - Checking Gas Joints

ONPOSITION

OFFPOSITION

EquipmentShutoffValve

Closed

Open

Pressure Testing Heater GasConnection1. Open equipment shutoff valve (see Fig-

ure 13).

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

3. Make sure control knob of heater is inthe OFF position.

4. Check all joints from equipment shutoffvalve to control valve (see Figure 14).Apply mixture of liquid soap and wa-ter to gas joints. Bubbles forming showa leak.


6. Light heater (see Operating Heater,page 12). Check the rest of the internaljoints for leaks.

7. Turn off heater (see To Turn Off Gas toAppliance, page 12).

8. Replace front panel.

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OPERATING HEATERFOR YOUR

SAFETY READBEFORE 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 instructionsexactly.

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 SMELL GAS• 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. Immediately calla qualified service technician to inspectthe appliance and to replace any partof the control system and any gas con-trol which has been under water.

LIGHTINGINSTRUCTIONS

1. STOP! Read the safety informationabove.

2. Make sure equipment shutoff valveis fully open.

3. Turn control knob clockwise to the OFF position (see Figure 15).

CAUTION: Do not try to ad-just heating levels by using theequipment shutoff valve.

TO TURN OFF GASTO APPLIANCE

Shutting Off Heater1. Turn control knob clockwise

to the PILOT position.2. Press in control knob and turn clock-

wise to the OFF position.3. Turn off all electric power to the ap-

pliance if service is to be performed.

Shutting Off Burner Only (pilotstays lit)

Turn control knob clockwise tothe PILOT position.

1. Remove front panel (see Figure 6,page 8).

2. Follow steps 1 through 5 under Light-ing Instructions.

3. With control knob pressed in, strikematch. Hold match to pilot until pi-lot lights.

4. Keep control knob pressed in for 30seconds after lighting pilot. After 30seconds, release control knob. Now fol-low step 8 under Lighting Instructions.

5. Replace front panel.

MANUAL LIGHTINGPROCEDURE

ThermocoupleIgnitor Electrode

Pilot Burner

Figure 15 - Control Knob In The OFFPosition

OFF

HIGH

PILOTLOW

IGNITOR

Ignitor Button Control Knob

Figure 16 - Pilot

4. 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, column 1. If you don’tsmell gas, go to the next step.

5. Press in control knob and turn coun-terclockwise to the PILOTposition. Keep control knob pressedin for five (5) seconds (see Figure 15).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. This will allow air tobleed from the gas system.• If control knob does not pop up

when released, contact a qualifiedservice person or gas supplier forrepairs.

6. With control knob pressed in, pushdown and release ignitor button. Thiswill light pilot. The pilot is attachedto the front of burner. The burnerand pilot are located behind the heatshield. If needed, keep pressing igni-tor button until pilot lights.Note: If pilot does not stay lit, referto Troubleshooting, pages 14 through16. Also contact a qualified serviceperson or gas supplier for repairs.Until repairs are made, light pilotwith match. To light pilot with match,see Manual Lighting Procedure.

7. Keep control knob pressed in for 30seconds after lighting pilot. After 30seconds, release control knob.Note: If pilot goes out, repeat steps3 through 7.

8. Turn control knob counterclockwise to the LOW position. The

main burner should light. Set controlknob to any heat level between HIGHand LOW. To turn control knob fromLOW to a higher setting, press in thecontrol knob and turn counterclock-wise .Note: Both HIGH and LOW arelocked positions. You must press incontrol knob before turning it fromthese positions.

13104411

OWNER’S MANUAL

CLEANING ANDMAINTENANCE

WARNING: Turn off heaterand let cool before cleaning.

CAUTION: You must keepcontrol areas, burner, and circu-lating air passageways of heaterclean. Inspect these areas ofheater before each use. Haveheater inspected yearly by a quali-fied service person. Heater mayneed more frequent cleaning dueto excessive lint from carpeting ,bedding material, pet hair, etc.

ODS/PILOT AND BURNER• Use a vacuum cleaner, pressurized air,

or small, soft bristled brush to clean.

Figure 19 - Correct Burner Flame Pattern

Figure 20 - Incorrect Burner Flame Pattern

NOTICE: Do not mistake orangeflames with yellow tipping. Dirtor other fine particles enter theheater and burn causing briefpatches of orange flame.

WARNING: If yellow tippingoccurs, your heater could pro-duce increased levels of carbonmonoxide. If burner flame patternshows yellow tipping, follow in-structions at bottom of this page.

1/2 HEAT SHIELD OR GLASS HEIGHT

Figure 18 - Incorrect Pilot Flame Pattern

INSPECTINGBURNERCheck pilot flame pattern and burner flamepattern often.

PILOT FLAME PATTERNFigure 17 shows a correct pilot flame pattern.Figure 18 shows an incorrect pilot flamepattern. The incorrect pilot flame is not touch-ing the thermocouple. This will cause thethermocouple to cool. When the thermo-couple cools, the heater will shut down.

If pilot flame pattern is incorrect, as shownin Figure 18

• turn heater off (see To Turn Off Gas toAppliance, page 12)

• see Troubleshooting, pages 14 through 16

Figure 17 - Correct Pilot Flame Pattern

Thermocouple

PilotBurner

PilotBurnerThermocouple

BURNER FLAME PATTERNFigure 19 shows a correct burner flamepattern. Figure 20 shows an incorrect burnerflame pattern. The incorrect burner flamepattern shows yellow tipping of the flame. Italso shows the flame higher than 1/2 theheat shield height.

1/2 HEAT SHIELD OR GLASS HEIGHT

YellowTipping

If burner flame pattern is incorrect, as shownin Figure 20

• turn heater off (see To Turn Off Gas toAppliance, page 12)

• see Troubleshooting, pages 14 through 16

Figure 21 - Pilot Inlet Air Hole

Pilot Assembly

Pilot Air InletHole

CLEANING BURNERPILOT AIR INLET HOLEWe recommend that you clean the unit ev-ery 2,500 hours of operation or every threemonths.

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 for dust and dirt.

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

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 21). With the unit off, lightlyblow air through the air inlet hole. You mayblow through a drinking straw if compressedair is not available.

CABINETAir Passageways• Use a vacuum cleaner or pressurized air

to clean.

Exterior• Use a soft cloth dampened with a mild

soap and water mixture. Wipe the cabi-net to remove dust.

14 104411


BLUE-FLAME

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

Burner does not light after ODS/pilot is lit

TROUBLESHOOTING WARNING: Turn off and un-plug heater and let cool beforeservicing. Only a qualified ser-vice person should service andrepair heater.

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

POSSIBLE CAUSE

1. Ignitor electrode positioned wrong2. Ignitor electrode broken3. Ignitor electrode not connected to

ignitor cable4. Ignitor cable pinched or wet

5. Broken ignitor cable6. Bad piezo ignitor

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. Manual shutoff valve not fully open4. Thermocouple connection loose at con-

trol valve5. 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

6. Thermocouple damaged7. Control valve damaged

1. Burner orifice is clogged

2. Burner orifice diameter is too small3. Inlet gas pressure is too low

REMEDY

1. Replace ignitor2. Replace ignitor3. Reconnect ignitor cable

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

5. Replace ignitor cable6. 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 is re-moved

5. Clean ODS/pilot (see Cleaning andMaintenance, page 13) or replace ODS/pilot assembly

6. Replace gas regulator

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

knob pressed in 30 seconds3. Fully open equipment shutoff valve4. Hand tighten until snug, then tighten 1/4

turn more5. A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning andMaintenance, page 13) or replace ODS/pilot assembly

6. Replace thermocouple7. Replace control valve

1. Clean burner (see Cleaning and Mainte-nance, page 13) or replace burner orifice

2. Replace burner orifice3. Contact local natural gas company

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

15104411

OWNER’S MANUAL

TROUBLESHOOTINGContinued

OBSERVED PROBLEM

Delayed ignition of burner

Burner backfiring during combustion

Yellow flame during burner combustion

Slight smoke or odor during initial operation

Heater produces a whistling noise whenburner is lit

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

POSSIBLE CAUSE

1. Manifold pressure is too low2. Burner orifice is clogged

3. Inlet gas pressure is too low

1. Burner orifice is clogged or damaged

2. Inlet gas pressure is too low3. Burner damaged4. Gas regulator defective

1. Not enough air

2. Inlet gas pressure is too low3. Gas regulator defective

1. Residues from manufacturing processes

1. Turning control knob to HIGH 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

REMEDY

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

nance, page 13) or replace burner orifice3. Contact local natural gas company


2. Contact local natural gas company3. Replace burner4. Replace gas regulator

1. Check burner for dirt and debris. Iffound, clean burner (see Cleaning andMaintenance, page 13)

2. Contact local natural gas company3. Replace gas regulator

1. Problem will stop after a few hours ofoperation

1. Turn control knob to LOW 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 Figure 4, page 7)


1. Turn heater off when using furniturepolish, wax, carpet cleaners, or similarproducts

Continuedwww.desatech.com

16 104411


BLUE-FLAME

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 heater 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.

POSSIBLE CAUSE

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

1. Heater burning vapors from paint, sol-vents, glues, etc. See IMPORTANTstatement above

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. Not enough combustion/ventilation air

OBSERVED PROBLEM

Heater produces a clicking/ticking noisejust after burner is lit or shut off

Heater produces unwanted odors

Heater shuts off in use (ODS operates)

Gas odor even when control knob is in OFFposition

Gas odor during combustion

Moisture/condensation noticed on windows

REMEDY

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

1. Ventilate room. Stop using odor caus-ing products while heater is running

2. Locate and correct all leaks (see Check-ing Gas Connections, page 11)

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

Maintenance, page 13)


2. Replace control valve

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


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

TROUBLESHOOTINGContinued

www.desatech.com

17104411

OWNER’S MANUAL

TECHNICALSERVICEYou may have further questions about in-stallation, operation, or troubleshooting.

If so, contact DESA International’s Techni-cal Service Department at 1-800-323-5190.

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

SPECIFICATIONS

When Gas Pressure Is Too Low• pilot will not stay lit

• burner will have delayed ignition

• heater will not produce specified heat

When Gas Quality Is Bad• pilot will not stay lit

• burner will produce flames and soot

• heater will backfire when lit

You may feel your gas pressure is too low orgas quality is bad. If so, contact your localnatural gas supplier.

SERVICE HINTS

RN30E CGN20(L)BBtu (Variable) 15,000/30,000 10,000/20,000Type Gas Natural Only Natural OnlyIgnition Piezo PiezoPressure Regulator Setting 3" W.C. 3" W.C.Inlet Gas Pressure (inches of water)

Maximum 10.5" 10.5"Minimum 5" 5"

Dimensions, Inches (H x W x D)Heater 23.5 x 25.9 x 8.0 23.5 x 18.5 x 8.0Carton 26 x 27.75 x 9.63 26 x 20.5 x 9.63

Weight (pounds)Heater 30 22Shipping 35 27

Note: 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), either contact your nearest PartsCentral (see page 23) or call DESAInternational’s Technical Service Depart-ment at 1-800-323-5190 for information.

When calling, have ready

• your name

• your address

• model and serial numbers of your heater

• how heater was malfunctioning

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

• purchase date

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

PARTS NOT UNDERWARRANTYContact authorized dealers of this product.If they can’t supply original replacementpart(s), either contact your nearest PartsCentral (see page 23) or call DESAInternational’s Parts Department at at1-800-972-7879 for referral information.

When calling, have ready

• model number of your heater

• the replacement part number

REPLACEMENTPARTS

18 104411


BLUE-FLAME

1

2

4

5

6

6

7

8

8

9

10

11

12

15

17

19

21

22

23

20

26

25

18

14

16

24

3

13

10-1

10-2

ODS/Pilot

RN30E

ILLUSTRATEDPARTSBREAKDOWN

19104411

OWNER’S MANUAL

PARTS LISTRN30E

This list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 17 of this manual.

KEY PARTNO. NUMBER DESCRIPTION QTY.

1 098304-01 Screw, #10 x 3/8" 22 098345-01AC Front Panel 13 103476-02 Grill Guard 14 101108-01 Clip, Grill Guard 25 104658-01 Heat Shield 16 M11084-26 Screw, #10 x 3/8" 67 104102-02 Deflector Unit 18 098271-03 Ignitor Cable 19 098249-01 Nut, M5 210 103594-05 ODS/Pilot, N.G. 1 10-1 098514-01 Thermocouple 1 10-2 106842-01 Ignitor Electrode 111 103447-01 Burner 112 099387-05 3/16" Pilot Tubing 113 103845-04 Injector 114 099066-01 Mounting Bracket 115 099415-11 Pressure Regulator 116 099553-01 Pilot Shield 117 103570-01 3/8" Outlet (Burner) Tubing 118 103572-01 3/8" Inlet Tubing 119 100068-01 Pressure Tap Fitting 120 100047-01 Control Valve 121 104617-09 Cabinet 122 097159-04 Piezo Ignitor 123 098303-02 Screw, #10 x 3/8" 224 098276-01 1/8" NPT Plug 125 098354-01 Control Knob 126 098508-01 Valve Retainer Nut 1

PARTS AVAILABLE — NOT SHOWN

098306-02 Control Position Decal 1099261-02 Operating Instructions Decal 1100642-01 Assembly, Hardware 1

20 104411


BLUE-FLAME

12-1

12-2

ODS/Pilot

1

2

3

4

5

6

8

8

9

10

10

11

12

13

14

17

1925

21

23

24

7

22

27

26

20

16

18 15

CGN20BCGN20LB

ILLUSTRATEDPARTSBREAKDOWN

21104411

OWNER’S MANUALThis list contains replaceable parts used in your heater. When ordering parts, follow the instructionslisted under Replacement Parts on page 17 of this manual.

KEY PARTNO. NUMBER DESCRIPTION QTY.

1 098304-01 Screw, #10 x 3/8" 22 098742-03 Front Panel (CGN20B) 1

098742-19 Front Panel, Ivory (CGN20LB) 13 103476-01 Grill Guard 14 101108-01 Grill Guard Clip 25 104189-01 Bottom Glass Retainer 16 098260-09 Glass Panel 17 098303-02 Screw, #8 x 3/8" 28 M11084-26 Screw, #10 x 3/8" 69 104618-01BR Deflector Unit 110 098271-03 Ignitor Cable 111 098249-01 Nut, M5 212 103594-05 ODS/Pilot Assembly 1 12-1 098514-01 Thermocouple 1 12-2 106842-01 Ignitor Electrode 113 103446-01 Burner 114 099387-05 3/16" Pilot Tubing 115 103845-06 Injector 116 099066-01 Mounting Bracket 117 099415-07 Pressure Regulator 118 099553-01 Pilot Shield 119 103570-01 3/8" Outlet (Burner) Tubing 120 103572-01 3/8" Inlet Tubing 121 100068-01 Pressure Tap Fitting 122 100047-03 Control Valve 123 104617-07 Cabinet, Woodgrain (CGN20B) 1

104617-08 Cabinet, Ivory (CGN20LB) 124 097159-04 Piezo Ignitor 125 098276-01 1/8" NPT Plug 126 098354-01 Control Knob 127 098508-01 Valve Retainer Nut 1

PARTS AVAILABLE — NOT SHOWN

098306-02 Control Position Decal(CGN20B) 1098306-03 Control Position Decal(CGN20LB) 1103571-01 Operating Instructions Decal 1100642-01 Assembly, Hardware 1

PARTS LISTCGN20BCGN20LB

22 104411


BLUE-FLAME

ACCESSORIES

EQUIPMENT SHUTOFFVALVE GA5010For all models. Equipment shutoff valve with1/8" NPT tap.

Purchase these heater accessories from yourlocal dealer. If they can not supply theseaccessories, either contact your nearest PartsCentral (see page 23) or call

DESA International’s Parts Department at1-800-972-7879 for referral information.You can also write to the address listed onthe back page of this manual.

FLOOR MOUNTING STAND20,000 Btu/Hr ModelsCGN20LB - GA4500L - IvoryCGN20B - GA4500 - Earthtone

For locating heater on the floor, away froma wall. Complete installation and operatinginstructions included.

FAN KITS - GA3100(A,B) ANDGA3200T(A,B)For all models. Provides better heat distri-bution. Makes heater more efficient. Com-plete installation and operating instructionsincluded.

Manually-controlled - GA3100(A,B). In-cludes ON/OFF switch.

Thermostatically-controlled - GA3200T(A,B).Includes three settings: ON/OFF/AUTO.

23104411

OWNER’S MANUAL

PARTS CENTRALS These Parts Centrals are privately owned businesses. They have agreed to support ourcustomer’s needs by providing original replacement parts and accessories. When calling aParts Central, ask for the Parts Department.

Baltimore Electric1348 Dixwell AvenueHamden, CT 06514-03221-800-397-7553203-248-7553Parts Department

Portable Heater Parts342 N. County Rd. 400 EastValparaiso, IN 46383-9704All States219-462-74411-800-362-6951sales@[email protected]

FBD1349 Adams StreetBowling Green, KY 42103-3414270-846-11991-800-654-8534Fax: [email protected]

Master Parts Dist.1251 Mound Ave. NWGrand Rapids, MI 49504-2672616-791-05051-800-446-1446Fax: 616-791-8270www.nbmc.com

Washer Equipment Co.1715 Main StreetKansas City, MO 64108-2195KS, MO, AR816-842-3911www.washerparts.com

East Coast Energy Products707 BroadwayW. Long Branch, NJ 07764-1542732-870-88091-800-755-8809www.njplaza.com/ecep

Tarantin Tank Co.P.O. Box 6129Freehold, NJ 07728-6129908-780-93401-800-922-0724www.tarantin.com

Heater and Fireplace Store58 Halbe LaneCape May Court, NJ 08210-1110609-390-9774Parts Department

Dayton HardwareP.O. Box 275North Dayton StationDayton, OH 45404-0275All States937-258-3721OH 1-800-762-3426

Halco Enterprises208 Carter Drive, Unit 21West Chester, PA 19382-4500610-430-77171-800-368-0803www.halcoenterprises.com

LA Porte’s Parts & Service2444 N. 5th StreetHartsville, SC 29550-7704803-332-0191Parts Department

Cans Unlimited, Inc.P.O. Box 645Taylor, SC 29687-0013All [email protected]

KEEP THIS WARRANTY

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.

WARRANTY INFORMATION

104411-01Rev. C02/00

INTERNATIONAL2701 Industrial DriveP.O. Box 90004Bowling Green, KY 42102-9004

www.desatech.com

LIMITED WARRANTYCOMFORT GLOW VENT-FREE HEATERS

DESA International warrants this product to be free from defects in materials and components for two (2) years from the dateof first 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 only the cost of part(s) required to restorethis heater to proper operating condition. Warranty part(s) MUST be obtained through authorized dealers of this product and/orDESA International who will provide original factory replacement parts. Failure to use original factory replacement parts voidsthis warranty. The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnishedwith 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 MER-CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO (2) YEARS FROM THE DATE OF FIRSTPURCHASE: AND DESA INTERNATIONAL’S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THEPRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVERINCLUDING 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 or consequentialdamages, 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:

NOT A UPC

104411 01

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