Desa 6000 btu/hr Quick start guide

Save this manual for future reference.

WARNING:Iftheinformationinthismanualisnotfollowedexactly,afireorexplosionmayresult

causing property damage, personal injury, or loss of life.

— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this

or any other appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s

instructions.

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

— Installationandservicemustbeperformedbyaqualifiedinstaller,serviceagency,orthe

gas supplier.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it

is installed. Provisions for adequate combustion must be provided. Refer to page 3 of this

manual.

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not

prohibited by state or local codes.

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

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

is not convertible for use with other gases.

BLUE FLAME

VENT-FREE PROPANE/LP GAS HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

6000 BTU/HR MODELS

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

SAFETY

INFORMATION

Carbon Monoxide Poisoning: Early

signs of carbon monoxide poisoning re-

semble the flu, with headaches, dizziness,

and/or nausea. If you have these signs, the

heater may not be working properly. Get

fresh air at once! Have heater serviced.

Some people are more affected by carbon

monoxide than others. These include preg-

nant women, people with heart or lung dis-

easeoranemia,thoseundertheinfluenceof

alcohol, and those at high altitudes.

Propane/LPGas:Propane/LPgasisodor-

less. An odor-making agent is added to

propane/LP gas. The odor helps you detect

a propane/LP gas leak. However, the odor

addedtopropane/LPgascanfade.Propane/

LP gas may be present even though no odor

exists.

Make certain you read and understand all

warnings.Keepthismanualforreference.It

isyourguidetosafeandproperoperationof

this heater.

WARNING: Any change to this heater or

its controls can be dangerous.

1. This appliance is only for use with the

typeof gas indicatedon the ratingplate.

Thisappliance is not convertibleforuse

with other gases.

2. Do not place propane/LPsupply tank(s)

inside any structure. Locate propane/

LP supply tank(s) outdoors.

WARNINGS

IMPORTANT: Read this owner’s

manual carefully and completely

before trying to assemble, oper-

ate, or service this heater. Im-

proper use of this heater can

causeseriousinjuryordeathfrom

burns, fire, explosion, and car-

bon monoxide poisoning.

DANGER: Carbon monoxide

poisoning may lead to death!

3. 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 build-

ing

• immediately call your gas supplier

from a neighbor’s phone. Follow the

gas supplier’s instructions

• ifyou cannot reachyour gas supplier,

call the fire department

4. Never install the heater

• in a recreational vehicle

• wherecurtains, furniture, clothing, or

otherflammable objects are less than

36inches from the front, top,or sides

of the heater

• as a fireplace insert

• in high traffic areas

• in windy or drafty areas

5. This heater needsfresh, outside airven-

tilation to run properly. This heater has

an oxygen depletion sensor (ODS) pi-

lot light safety system. The ODS shuts

down the heater if not enough fresh air

is available. See Air for Combustion

and Ventilation, pages 3 through 5.

6. Keep all air openings in the front and

bottom of heater clear and free of de-

bris. This will insure enough air for

proper combustion.

7. If heater shuts off, do not relight until

you provide fresh, outside air. If heater

keeps shutting off, have it serviced.

8. Do not run heater

• where flammable liquids or vapors

are used or stored

• under dusty conditions

9. Never place any objects on the heater.

10. Surface of heater becomes very hot

whenrunningheater. Keepchildren and

adults away from hot surface to avoid

burnsand clothing ignition. Heaterwill

remain hot for a time after shutdown.

Allow surface to cool before touching.

11. Make sure grill guard is in place be-

fore running heater.

12. Carefully supervise young children

when they are in same room with

heater.

13. Do not use heater if any part has been

under water. Immediately call a quali-

fied service technician to inspect the

room heater and to replace any part of

the control system and any gas control

which has been under water.

14. Turn off heater and let cool before ser-

vicing. Only a qualified service person

should service and repair heater.

15. Operating heater above elevations of

4,500 feet could cause pilot outage.

16. To prevent performance problems, do

not use propane fuel tank of less than

100 lbs. capacity.

103112

OWNER’S MANUAL

PRODUCT

IDENTIFICATION

PRODUCT

FEATURES

Safety Pilot

This heater has a pilot with an Oxygen

Depletion Sensor Shutoff System (ODS).

TheODS/pilotisarequiredfeatureforvent-

free room heaters. The ODS/pilot shuts off

the heater if there is not enough fresh air.

Piezo Ignition System

This heater has a piezo ignitor. This system

requires no matches, batteries, or other

sources to light heater.

LOCAL CODES

Install and use heater with care. Follow all

local codes. In the absence of local codes,

use the latest edition of The National Fuel

Gas Code ANSI 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 Park

Quincy, MA 02269

UNPACKING

1. 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 inform

dealer where you bought heater.

Figure 1 - Vent-Free Propane/LP Gas Heater

Heater

Cabinet

Grill Guard

Burners

Front

Panel

Control Knob

Piezo Ignitor Button AIR FOR

COMBUSTION AND

VENTILATION

Today’s homes are built more energy effi-

cient than ever. New materials, increased

insulation, and new construction methods

help reduce heat loss in homes. Home own-

ersweather stripandcaulkaround windows

and doors to keep the cold air out and the

warm air in. During heating months, home

owners want their homes as airtight as pos-

sible.

While it is good to make your home energy

efficient,your homeneedstobreathe. Fresh

air must enter your home. All fuel-burning

appliances need fresh air for proper com-

bustion and ventilation.

Exhaustfans,fireplaces,clothesdryers,and

fuel burning appliances draw air from the

house to operate. You must provide ad-

equate fresh air for these appliances. This

will insure proper venting of vented fuel-

burning appliances.

PROVIDING ADEQUATE

VENTILATION

The following is excerpts from National

Fuel Gas Code. NFPA 54/ANSI Z223.1,

Section 5.3, Air for Combustion and Venti-

lation.

Allspacesinhomesfallintooneofthethree

following ventilation classifications:

1.Unusually TightConstruction;2.Uncon-

fined Space; 3. Confined Space.

The information on page 4 (Determining

Air Flow) will help you classify your space

and provide adequate ventilation.

WARNING: This heater shall

not be installed in a confined

spaceunlessprovisionsare pro-

vided for adequate combustion

and ventilation air. Read the fol-

lowing instructions to insure

properfreshairforthisandother

fuel-burning appliances in your

home.

Continued

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

WARNING:Iftheareainwhich

the heater may be operated is

smaller than that defined as an

unconfined space, provide ad-

equate combustion and ventila-

tion air by one of the methods

described in the

National Fuel

Gas Code, ANSI Z223.1, 1992,

Section 5.3 or applicable local

codes.

AIR FOR

COMBUSTION AND

VENTILATION

Continued

* Do not include direct-vent gas appli-

ances. 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:

40,100 Btu/Hr (maximum the

space can support)

46,000 Btu/Hr (actual amount

of Btu/Hr used)

The space in the above example is a con-

fined space because the actual Btu/Hr used

ismorethanthemaximumBtu/Hrthespace

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 adjoining room or add ventila-

tion grills between rooms. See Ventila-

tion Air From Inside Building (page 5).

B. Vent room directly to the outdoors. See

VentilationAir FromOutdoors (page 5).

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

maximumBtu/Hrthespacecansupport,the

spaceisanunconfinedspace.Youwillneed

no additional fresh air ventilation.

Continued

Unusually Tight Construction

The air that leaks around doors and win-

dows may provide enough fresh air for

combustion and ventilation. However, in

buildings of unusually tight construction,

you must provide additional fresh air.

Unusually tight construction is

defined as construction where:

a.walls and ceilings exposed to

the outside atmosphere have a

continuous water vapor re-

tarder with a rating of one perm

(6x10-11 kg per pa-sec-m2) or

less with openings gasketed or

sealed

and

b.weather stripping has been

added on openable windows

and doors

and

c.caulking or sealants are ap-

plied to areas such as joints

around window and door

frames, between sole plates

and floors, between wall-ceil-

ing joints, between wall panels,

at penetrations for plumbing,

electrical, and gas lines, and at

other openings.

If your home meets all of the three

criteria above, you must provide ad-

ditional fresh air. See

Ventilation Air

From Outdoors

, page 5

If your home does not meet all of the

threecriteriaabove,proceedtopage6.

Confined and Unconfined Space

TheNationalFuelGasCode(ANSIZ2123.1,

1992 Section 5.3) defines a confined space

as a space whose volume is less than 50

cubicfeetper1,000Btuperhour(4.8m3per

kw) of the aggregate input rating of all

appliances installed in that space and an

unconfined space as a space whose volume

is not less than 50 cubic feet per 1,000 Btu

per hour (4.8 m3 per kw) of the aggregate

inputratingofallappliancesinstalledinthat

space.Roomscommunicatingdirectlywith

the space in which the appliances are in-

stalled*, through openings not furnished

DETERMINING AIR FLOW

FOR HEATER LOCATION

Determining if You Have a

Confined or Unconfined Space

Usethis 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 doorless passageways 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 18 ft. (length) x

16 ft. (width) x 8 ft. (ceiling height) =

2304 cu. ft. (volume of space)

If additional ventilation to adjoining

room is supplied with grills or open-

ings, add the volume of these rooms to

the total volume of the 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:

2304 cu. ft. (volume of

space) ÷50 cu. ft. = 46.1 or 46,100

(maximum Btu/Hr the space can sup-

port)

3. Add the Btu/Hr of all fuel burning ap-

pliances in the space.

Vent-free heater ___________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

Example:

Gas water heater 40,000 Btu/Hr

Vent-free heater +6,000 Btu/Hr

Total = 46,000 Btu/Hr

with doors, are considered a part of the

unconfined space.

*Adjoiningroomsarecommunicatingonly

iftherearedoorlesspassagewaysorventila-

tion grills between them.

103112

OWNER’S MANUAL

Remove

Door into

Adjoining

Room,

Option 3

Ventilation Grills

Into Adjoining Room,

Option 2

12"

Ventilation

Grills

into Adjoining

Room,

Option 1

Figure 2 - Ventilation Air from Inside Building

AIR FOR

COMBUSTION AND

VENTILATION

Continued

VENTILATION AIR

Ventilation Air From Inside

Building

Thisfreshairwouldcomefromanadjoining

unconfined space. When ventilating to an

adjoining unconfined space, you must pro-

vide two permanent openings: one within

12" of the ceiling and one within 12" of the

floor on the wall connecting the two spaces

(seeoptions1and2,Figure2).Youcanalso

remove door into adjoining room (see op-

tion 3, Figure 2). Follow the National Fuel

Gas Code NFPA 54/ANSI Z223.1, Section

5.3, Air for Combustion and Ventilation for

required size of ventilation grills or ducts.

WARNING: Rework

worksheet, adding the space of

the adjoining unconfined

space. The combined spaces

must have enough fresh air to

supply all appliances in both

spaces.

Figure 3 - Ventilation Air from Outdoors

Outlet

Air Ventilated

Attic

Outlet

Air

Inlet

Air

Inlet Air Ventilated

Crawl Space

Crawl

Space

To Attic

Ventilation Air From Outdoors

Provide extra fresh air by using ventilation

grills or ducts. You must provide two per-

manent openings: one within 12" of the

ceiling and one within 12" of the floor.

Connecttheseitemsdirectlytotheoutdoors

orspacesopentotheoutdoors.Thesespaces

include attics and crawl spaces. Follow the

National Fuel Gas Code NFPA 54/ANSI

Z223.1,Section5.3,AirforCombustionand

Ventilation for required size of ventilation

grills or ducts.

IMPORTANT:

Do not provide openings

for inlet or outlet air into attic if attic has a

thermostat-controlled power vent. Heated

air entering the attic will activate the power

vent.

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

2. Mark two mounting screw locations on

wall (see Figure 5).

INSTALLING HEATER TO

WALL

Marking Screw Locations

1. Determine where youwilllocateheater.

WARNING:Maintainminimum

clearances shown in Figure 5. If

you can, provide greater clear-

ancesfromfloorandjoiningwall.

FLOOR

JOINING WALL

20 1/4"

Minimum To

Maintain 3"

Clearance

From Floor

8 7/8"

Minimum To

Maintain 6"

Clearance

From Wall

7 3/4"

Mounting

Screw

Locations

Figure 5 - Mounting Screw Locations

INSTALLING TO

WALL

NOTICE: A qualified service per-

son must install heater. Follow

all local codes.

CHECK GAS TYPE

Useonlypropane/LPgas.Ifyourgassupply

isnotpropane/LP,donotinstallheater.Call

dealer where you bought heater for proper

type heater.

INSTALLATION ITEMS

Beforeinstallingheater,makesureyouhave

the items listed below.

• external regulator (supplied by in-

staller, see page 8)

• piping (check local codes)

•

sealant(resistant to propane/LP gas)

• manual shutoff valve *

• ground joint union

• test gauge connection * (see Fig-

ure 13, page 8)

• sediment trap

• tee joint

• pipe wrench

* AnA.G.A.design-certifiedmanualshutoff

valve with 1/8" NPT tap is an acceptable

alternative to test gauge connection. The

optional A.G.A. design-certified manual

shutoff valve can be purchased from your

dealer. See Accessory, page 15.

LOCATING HEATER

This heater is designed to be mounted on a

wall.

WARNING:Maintainthemini-

mumclearancesshowninFigure

4.Ifyoucan,providegreaterclear-

ances from floor, ceiling, and

joining wall.

Forconvenienceandefficiency,installheater

• where there is easy access for opera-

tion, inspection, and service

• in coldest part of room

Figure 4-MountingClearancesAsViewed

From Front of Heater

36"

FLOOR

CEILING

Minimum

Minimum To Top Surf

Of Carpeting, Tile Or

Combustible Material

Minimum

From

Sides Of

Heater

Right

Side

Left

Side

WARNING: Never install the

heater

• in a recreational vehicle

• where curtains, furniture,

clothing, or other flammable

objectsarelessthan36inches

from the front, top, or sides of

the heater

• as a fireplace insert

• in high traffic areas

• in windy or drafty areas

CAUTION: If you install the

heater in a home garage

• heater pilot and burner must

be at least 18 inches above

floor

• locate heater where moving

vehicle will not hit it

CAUTION: This heater cre-

ates warm air currents. These

currents move heat to wall sur-

faces next to heater. Installing

heater next to vinyl or cloth wall

coverings or operating heater

where impurities in the air (such

as tobacco smoke) exist, may

discolor walls.

IMPORTANT:

Vent-freeheatersaddmois-

ture to the air. Although this is beneficial,

installing heater in rooms without enough

ventilation air may cause mildew to form

from too much moisture. See Air for Com-

bustion and Ventilation, pages 3 through 5.

Minimum To

Top Surface

Of Carpeting,

Tile Or Other

Combustible

Material

103112

OWNER’S MANUAL

Installing Two Mounting Screws

Note:

Wall anchors and mounting screws

areinhardwarepackage.Thehardwarepack-

age is provided with heater.

Attaching to wall stud method

For attaching mounting screw to wall stud

Drillholeat marked location using 9/64"

drill bit.

2. Insert mounting screw into wall stud.

3. Tighten screw until 1/16" space (thick-

ness of penny) is between screwhead

and wall.

Attaching to wall anchor method

Follow instructions below to attach mount-

ing screws to hollow walls (wall areas be-

tween studs) or solid walls (concrete or

masonry).

1. Drill holes at marked locations using

5/16" drill bit. For solid walls (concrete

or masonry), drill at least 1 1/4" deep.

2. Fold wall anchor (see Figure 6).

Figure 8 - Tightening Anchors

Thin Walls

(1/4" to 1/2" thick)

3. Insert wall anchor (wings first) into

hole. Tap anchor flush to wall.

4. For thin walls (1/2" or less), insert red

key into wall anchor. Push red key to

“pop” open anchor wings (see Figure

7).

IMPORTANT:

Donot hammer key!

Forthick walls (over1/2" thick) or solid

walls, do not pop open wings.

Figure 6 - Folding Anchor

Figure 7 - Popping Open Anchor Wings

For Thin Walls

5. Tighten two screws until 1/16" space

(thickness of penny) is between

screwheads and wall (see Figure 8).

1/16"

Space

Thin or

Thick Wall

(thick wall

shown)

Solid

Wall

Placing Heater On Mounting

Screws

1. Locate two keyhole slots on back panel

of heater (see Figure 9).

2. Place large openings of slots over

screwheads. Slide heater down until

screws are in small portion of slots.

Figure 10 - Removing Front Panel Of

Heater

Installing Bottom Mounting

Screw

1. Locate bottom mounting hole. This

hole is near bottom on back panel of

heater (see Figure 11).

2. Mark screw location on wall.

3. Remove heater from wall.

4. If installing bottom mounting screw

into hollow or solid wall, install wall

anchor. Follow steps 1 through 5 under

Attaching To Wall Anchor Method.

If installing bottom mounting screw

into wall stud, drill hole at marked lo-

cation using 9/64" drill bit.

5. Replace heater on wall.

6. Insert bottom anchor screw through

backpanelinto bottom anchor ordrilled

hole (see Figure 11).

7. Tighten screw until heater is firmly se-

cured to wall. Do not over tighten.

Note:

Do not replace front panel at this

time. Replace front panel after making

gas connections and checking for leaks

(see page 8 and 9).

Keyhole Slots

Figure 9 - Location Of Keyhole Slots On

Back Panel Of Heater

Removing Front Panel Of Heater

1. Remove two screws near bottom cor-

ners of front panel.

2. Lift straight up on grill guard until it

stops.Grillguardwillslideupabout1/4".

3. Pull bottom of frontpanel forward,then

down.

INSTALLING TO

WALL

Continued

ther

Figure 11 - Installing Bottom Mounting

Screw

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

CONNECTING TO

GAS SUPPLY

NOTICE: A qualified service per-

son must connect heater to gas

supply. Follow all local codes.

The installer must supply an external regu-

lator. The external regulator will reduce

incoming gas pressure. You must reduce

incoming gas pressure between 11 and 14

inchesofwater.Ifyoudonotreduceincom-

ing gas pressure, heater regulator damage

could occur. Install external regulator with

the vent pointing down as shown in Figure

12. Pointing the vent down protects it from

freezing rain or sleet.

CAUTION: Never connect

heaterdirectlytothe propane/LP

supply. This heater requires an

externalregulator(notsupplied).

Install the external regulator be-

tweentheheaterandpropane/LP

supply.

Propane/LP

Supply Tank

Figure 12 - External Regulator With Vent

Pointing Down

CAUTION: Use only new,

black iron or steel pipe. Inter-

nally-tinned copper tubing may

be used in certain areas. Check

your local codes. Use pipe 3/8"

diameter or greater to allow

proper gas volume to heater. If

pipe is too small, undue loss of

pressure will occur.

IMPORTANT:

Hold pressure regulator

with wrench when connecting it to gas pip-

ing and/or fittings.

Figure 13 - Gas Connection

* An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable

alternativetotestgaugeconnection.PurchasetheoptionalA.G.A.design-certifiedmanual

shutoff valve from your dealer. See Accessory, page 15.

Tee Joint

Reducer

Bushing to

1/8" NPT

Plug Tap

Test

Gauge

Connec-

tion *

Heater

Cabinet

Pressure

Regulator

Tee

Joint

Pipe

Nipple

Cap

Ground Joint Union

3/8" NPT

Pipe Nipple

Sediment

Trap

3" Minimum

Manual Shutoff Valve *

From External

Regulator

(11" W.C. to 14"

W.C. Pressure)

External

Regulator

Installsedimenttrapinsupplylineasshown

in Figure 13. Locate sediment trap where it

is within reach for cleaning. Locate sedi-

menttrap where trapped matter isnot likely

to freeze. A sediment trap traps moisture

and contaminants. This keeps them from

going into heater controls. If sediment trap

is not installed or is installed wrong, heater

may not run properly.

Installation must include a manual shutoff

valve, ground joint union, and plugged

1/8" NPT tap. Locate NPT tap within reach

for test gauge hook up. NPT tap must be

upstream from heater (see Figure 13).

Apply pipe joint sealant lightly to male

threads. This will prevent excess sealant

fromgoing into pipe. Excesssealant in pipe

could result in clogged heater valves.

CAUTION:Usepipejointseal-

ant that is resistant to liquid pe-

troleum (LP) gas.

Vent

Pointing

Down

103112

OWNER’S MANUAL

CHECKING GAS

CONNECTIONS

PRESSURE TESTING GAS

SUPPLY PIPING SYSTEM

Test Pressures In Excess Of 1/2

PSIG

1. Disconnect heater and its individual

manual shutoff valve from gas supply

piping system. Pressures in excess of

1/2 Psig will damage heater regulator.

2. Cap off open end of gas pipe where

manual shutoff valve was connected.

3. Pressurize supply piping system by ei-

ther using compressed air or opening

propane/LP supply tank valve.

4. Check all joints of gas supply piping

system. Apply mixture of liquid soap

and water to gas joints. Bubbles form-

ing show a leak.

5. Correct all leaks at once.

Test Pressures Equal To or

Less Than 1/2 PSIG

1. Close manual shutoff valve (see Fig-

ure 14).

2. Pressurize supply piping system by ei-

ther using compressed air or opening

propane/LP supply tank valve.

WARNING: Test all gas pip-

ing and connections for leaks

after installation or servicing.

Correct all leaks at once.

WARNING:Neveruseanopen

flame to check for a leak. Apply a

mixture of liquid soap and water

to all joints. Bubbles forming

show a leak. Correct all leaks at

once.

CAUTION: Make sure exter-

nal regulator has been installed

between propane/LP supply and

heater.Seeguidelinesunder

Con-

necting to Gas Supply

, page 8.

3. Check all joints from propane/LP sup-

ply tank to manual shutoff valve (see

Figure 15). Apply mixture of liquid

soap and water to gas joints. Bubbles

forming show a leak.

4. Correct all leaks at once.

PRESSURE TESTING

HEATER GAS

CONNECTIONS

1. Open manual shutoff valve (see Figure

14).

2. Open propane/LP supply tank valve.

3. Make sure control knob of heater is in

the OFF position.

4. Check all joints from manual shutoff

valve to control valve (see Figure 15).

Apply mixture of liquid soap and wa-

ter to gas joints. Bubbles forming show

a leak.

5. Correct all leaks at once.

6. Light heater (see Operating Heater,

pages 9 and 10). Check the rest of the

internal joints for leaks.

7. Turn off heater (see ToTurn Off Gas to

Appliance, page 10).

8. Replace front panel.

POSITION

OFF

POSITION

Figure 14 - Manual Shutoff Valve

Open

Closed

Manual

Shutoff

Valve

Propane/LP

Supply

Tank

Manual

Shutoff

Valve

Control

Valve Location

Figure 15 - Checking Gas Joints

OPERATING

HEATER

FOR YOUR SAFETY

READ BEFORE

LIGHTING

A. This appliance has a pilot which

must be lighted by hand. When

lighting the pilot, follow these in-

structions exactly.

B. BEFORE LIGHTING smell all

around the appliance area for gas.

Be sure to smell next to the floor

becausesome gas isheavierthan air

and will settle 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.

• Immediatelycallyourgassupplier

from a neighbor’s phone. Follow

the 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 controlknob.Neveruse

tools. If the knob will not push in or

turn by hand, don’t try to repair it,

call a qualified service technician or

gas supplier. Force or attempted re-

pair may result in a fire or explo-

sion.

D. Do not use this appliance if any part

has been under water. Immediately

call a qualified service technician to

inspect the appliance and to replace

any part of the control system and

any gas control which has been un-

der water.

WARNING: If you do not fol-

low these instructions exactly, a

fireorexplosionmayresultcaus-

ing property damage, personal

injury or loss of life.

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

Shutting Off Heater

1. Turncontrolknobclockwise

Clockwise

to the PILOT position.

2. Pressincontrolknobandturnclock-

wise

Clockwise

to the OFF position.

Shutting Off Burner Only (pilot

stays lit)

1. Turncontrolknobclockwise

Clockwise

to the PILOT position.

1. Remove front panel (see Figure 10,

page 7).

2. Followsteps1 through5underLight-

ing Instructions.

3. With control knob pressed in, strike

match. Hold match to pilot until pi-

lot lights.

4. Keep control knob pressed in for 30

secondsafter pilot is lit.After30 sec-

onds, release control knob.

5. Replace front panel.

4. Waitfive (5)minutes toclear outany

gas. Then smell for gas, including

near the floor. If you smell gas,

STOP! Follow “B” in the safety in-

formationatthe topofpage16. Ifyou

don’t smell gas, go to the next step.

5. Pressin controlknob and turncoun-

terclockwise

C-clockwise

to the PILOT

position. Keep control knob pressed

in for five (5) seconds (see Figure 16,

page 16).

Note:

You may be running this

heater for the first time after hook-

ing up to gas supply. If so, the con-

trol knob may need to be pressed in

for 30 seconds. This will allow air to

bleed from the gas system.

• If control knob does not pop up

when released, contact a qualified

service person or gas supplier for

repairs.

6. With control knob pressed in, push

downandreleaseignitor button.This

will light pilot. The pilot is attached

to the front of burner. The pilot can

be seen through the glass panel. If

needed,keep pressingignitorbutton

until pilot lights.

OPERATING

HEATER

Continued

Thermocouple Pilot

Burner

Ignitor

Electrode

Figure 17 - Pilot

CAUTION:Donottrytoadjust

heating levels by using the

manual shutoff valve.

7. Keep control knob pressed in for 30

seconds after lighting pilot.After 30

seconds, release control knob.

• If control knob does not pop up

when released, contact a qualified

service person or gas supplier for

repairs.

Note:

If pilot goes out, repeat steps

3 through 7.

8. Turn control knob counterclockwise

C-clockwise

to the HIGH position. The

mainburnershould light.Set control

knobtoanyheatlevelbetweenHIGH

andLOW.Toturncontrolknobfrom

HIGH to a lower setting, press in the

controlknoband turncounterclock-

wise

C-clockwise

Note:

Both HIGH and LOW are

locked positions. You must press in

control knob before turning it from

these positions.

LIGHTING

INSTRUCTIONS

OFF

HIGH

PILOT

LOW

IGNITOR

Ignitor Button Control Knob

Figure 16 - Control Knob In The OFF

Position

1. STOP! Read the safety information,

page 9, column 3.

2. Make sure manual shutoff valve is

fully open.

3. Turncontrolknobclockwise

Clockwise

to the OFF position.

Note:

If pilot does not stay lit, refer

toTroubleshooting,pages 12through

14. Also contact a qualified service

person or gas supplier for repairs.

Until repairs are made, light pilot

withmatch.To lightpilotwithmatch,

see Manual Lighting Procedure.

TO TURN OFF GAS

TO APPLIANCE

MANUAL LIGHTING

PROCEDURE

103112

OWNER’S MANUAL

If pilot flame pattern is incorrect, as shown

in Figure 19

• turn heater off (see To Turn Off Gas

to Appliance, page 10)

• see Troubleshooting, pages 12

through 14

Thermocouple

Pilot Burner

Figure 19 - Incorrect Pilot Flame Pattern

GRH/OV 008BAD PILOT/LP

BURNER FLAME PATTERN

Figure 20 shows a correct burner flame

pattern.Figure21showsanincorrectburner

flame pattern. The incorrect burner flame

patternshowsyellowtippingoftheflame.It

also shows the flame higher than 1/2 the

glass panel height.

NOTICE: Do not mistake orange

flames with yellow tipping. Dust

or other fine particles enter the

heater and burn causing brief

patches of orange flame.

WARNING: If yellow tipping

occurs, your heater could pro-

duce increased levels of carbon

monoxide. If burner flame pat-

ternshowsyellowtipping,follow

instructions at bottom of this

page.

Figure 20 - Correct Burner Flame Pattern

1/2 GLASS HEIGHT

INCORRECT FLAME PATTERN

AT HIGH POSITION

CORRECT FLAME PATTERN

AT HIGH POSITION

1/2 GLASS HEIGHT

(Model VP600B will be lower due to

lower input rating)

Figure21-IncorrectBurnerFlamePattern

Ifburnerflamepatternisincorrect,asshown

in Figure 21

• turn heater off (see To Turn Off Gas

to Appliance, page 10)

• see Troubleshooting, pages 12

through 14

Yellow

Tipping

CLEANING AND

MAINTENANCE

WARNING: Turn off heater

and let cool before cleaning.

CAUTION: You must keep

control areas, burner, and circu-

lating air passageways of heater

clean. Inspect these areas of

heater before each use. Have

heaterinspectedyearlybyaquali-

fied service person. Heater may

needmorefrequentcleaningdue

to excessive lint from carpeting,

bedding material, etc.

INSPECTING

BURNER

Check pilot flame pattern and burner flame

pattern often.

PILOT FLAME PATTERN

Figure 18 shows a correct pilot flame pat-

tern. Figure 19 shows an incorrect pilot

flame pattern. The incorrect pilot flame is

not touching the thermocouple. This will

cause the thermocouple to cool. When the

thermocouple cools, the heater will shut

down.

GRH/OV 007GOOD PILOT/LP

Thermocouple

Pilot Burner

Figure 18 - Correct Pilot Flame Pattern

HEIGHT

ODS/PILOT AND BURNER

ORIFICE

• Use a vacuum cleaner, pressurized

air, or small, soft bristled brush to

clean.

CABINET

Air 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.

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

TROUBLESHOOTING

Note:

Alltroubleshootingitemsarelisted

in order of operation.

WARNING: Turn off heater

andletcoolbeforeservicing.Only

aqualifiedservicepersonshould

service and repair heater.

CAUTION: Never use a wire,

needle, or similar object to clean

ODS/pilot.ThiscandamageODS/

pilot unit.

POSSIBLE CAUSE

1. Ignitor electrode positioned wrong

2. Ignitor electrode broken

3. Ignitor electrode not connected to igni-

tor cable

4. Ignitor cable pinched or wet

5. Piezo ignitor nut is loose

6. Broken ignitor cable

7. Bad piezo ignitor

1. Gas supply turned off or manual shutoff

valve closed

2. Control knob not in PILOT position

3. Control knob not pressed in while in PI-

LOT position

4. Air in gas lines when installed

5. Depleted gas supply

6. ODS/pilot is clogged

7. Gas regulator setting is not correct

1. Control knob not fully pressed in

2. Control knob notpressed in long enough

3. Manual shutoff valve not fully open

4. Thermocouple connection loose at con-

trol valve

5. 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 of

the following:

A) Low gas pressure

B) Dirty or partially clogged ODS/

pilot

6. Thermocouple damaged

7. Control valve damaged

REMEDY

1. Replace ignitor

2. Replace ignitor

3. Reconnect ignitor cable

4. Free ignitor cable if pinched by any

metal or tubing. Keep ignitor cable dry

5. Tighten nut holding piezo ignitor to

heater cabinet. Nut is located inside

heater cabinet at top

6. Replace ignitor cable

7. Replace piezo ignitor

1. Turn on gas supply or open manual

shutoff valve

2. Turn control knob to PILOT position

3. Press in control knob while in PILOT

position

4. Continue holding down control knob.

Repeat igniting operation until air is re-

moved

5. Contact local propane/LP gas company

6. Clean ODS/pilot (see Cleaning and

Maintenance, page 11) or replace ODS/

pilot assembly

7. Replace gas regulator

1. Press in control knob fully

2. After ODS/pilot lights, keep control

knob pressed in 30 seconds

3. Fully open manual shut-off valve

4. Hand tighten until snug, then tighten 1/4

turn more

5. A) Contact local propane/LP gas com-

pany

B) Clean ODS/pilot (see Cleaning and

Maintenance, page 11) or replace ODS/

pilot assembly

6. Replace thermocouple

7. Replace control valve

OBSERVED PROBLEM

When ignitor button is pressed, there is no

spark at ODS/pilot

When ignitor button is pressed, there is

spark at ODS/pilot but no ignition

ODS/pilot lights but flame goes out when

control knob is released

Continued

103112

OWNER’S MANUAL

OBSERVED PROBLEM

Burner does not light after ODS/pilot is lit

Delayed ignition of burner

Burner backfiring during combustion

Yellow flame during burner combustion

Slight smoke or odor during initial opera-

tion

Heater produces a whistling noise when

burner is lit

REMEDY

1. Clean burner orifice (see Cleaning and

Maintenance, page 11)or replace burner

orifice

2. Replace burner orifice

3. Contact local propane/LP gas company

1. Contact local propane/LP gas company

2. Clean burner orifice (see Cleaning and

Maintenance, page 11) or replace burner

orifice

1. Clean burner orifice (see Cleaning and

Maintenance, page 11) or replaceburner

orifice

2. Contact local propane/LP gas company

3. Replace burner

4. Replace gas regulator

1. Check burner for dirt and debris. If

found, clean burner (see Cleaning and

Maintenance, page 11)

2. Contact local propane/LP gas company

3. Replace gas regulator

1. Problem will stop after a few hours of

operation

1. Turn control knob to LOW position and

let warm up for a minute

2. Operate burner until air is removed from

line.Have gas checkedby local propane/

LP gas company

3. Observe minimum installation clear-

ances (see Figure 4, page 6)

4. Clean burner (see Cleaning and Main-

tenance, page 11) or replace burner ori-

fice

POSSIBLE CAUSE

1. Burner orifice is clogged

2. Burner orifice diameter is too small

3. Inlet gas pressure is too low

1. Manifold pressure is too low

2. Burner orifice is clogged

1. Burner orifice is clogged or damaged

2. Inlet gas pressure is too low

3. Burner damaged

4. Gas regulator defective

1. Not enough air

2. Inlet gas pressure is too low

3. Gas regulator defective

1. Residues from manufacturing processes

1. Turn control knob to HIGH position

when burner is cold

2. Air in gas line

3. Air passageways on heater blocked

4. Dirty or partially clogged burner orifice

TROUBLESHOOTING

Continued

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

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.

• Immediatelycall yourgas supplierfroma neighbor’sphone. Followthe

gas supplier’s instructions.

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

TROUBLESHOOTING

Continued

IMPORTANT:

Operating heater where impurities in air exist may create odors. Cleaning

supplies, 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.

OBSERVED PROBLEM

Heater produces a clicking/ticking noise

just 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 OFF

position

Gas odor during combustion

Moisture/condensationnoticedonwindows

REMEDY

1. This is common with most heaters. If

noise is excessive, contact qualified ser-

vice person

1. Ventilate room. Stop using odor-causing

products while heater is running

2. Refill supply tank

3. Locate and correct all leaks (see Check-

ing Gas Connections, page 9)

1. Open window and/or door for ventila-

tion

2. Contact local propane/LP gas company

3. Clean ODS/pilot (see Cleaning and

Maintenance, page 11)

1. Locate and correct all leaks (see Check-

ing Gas Connections, page 9)

2. Replace control valve

1. Take apart gas tubing and remove for-

eign matter

2. Locate and correct all leaks (see Check-

ing Gas Connections, page 9)

1. Refer to Air for Combustion and Venti-

lation requirements (page 3)

POSSIBLE CAUSE

1. Metal expanding while heating or con-

tracting while cooling

1. Heater burning vapors from paint, hair

spray, glues, etc. See

IMPORTANT

statement above

2. Low fuel supply

3. Gas leak. SeeWarningstatementattop

of page

1. Not enough fresh air is available

2. Low line pressure

3. ODS/pilot is partially clogged

1. Gas leak. SeeWarningstatementattop

of page

2. Control valve defective

1. Foreign matter between control valve

and burner

2. Gas leak. SeeWarningstatementattop

of page

1. Not enough combustion/ventilation air

103112

OWNER’S MANUAL

Note:

Use only original replacement parts.

Thiswillprotectyourwarrantycoveragefor

parts replaced under warranty.

Parts Under Warranty

Contact authorized dealer from whom you

purchased this product. If they cannot sup-

plyoriginalreplacementpart(s),callDESA

International’s Technical Service Depart-

ment at 1-800-323-5190 for referral infor-

mation.

When contacting your dealer or DESA In-

ternational, have ready:

• your name and address

• model number of your heater

• how heater was malfunctioning

• type of gas used (propane/LP or natu-

ral gas)

• purchase date

Usually,wewillaskyoutoreturnthedefec-

tive part to the factory.

Parts Not Under Warranty

Contact authorized dealers of this product.

If they cannot supply original replacement

part(s), call DESA International’s Parts

Department at 1-800-972-7879 for referral

information.

When calling DESA International, have

ready:

• model number of your heater

• the replacement part number

REPLACEMENT

PARTS

ACCESSORY

SERVICE

PUBLICATIONS

Youcanpurchaseaservicemanualfromthe

address listed on the back page of this

manual. Send a check for $5.00 payable to

DESA International.

Purchase this heater accessory from your

local dealer. If they cannot supply this ac-

cessory, call DESA International’s Parts

Department at 1-800-972-7879 for referral

information. You can also write to the ad-

dresslistedon the back page of this manual.

MANUAL SHUTOFF

VALVE - GA5010

Manualshutoffvalvewith

1/8" NPT tap.

You may have further questions about in-

stallation, operation, or troubleshooting.

Ifso,contactDESA International’sTechni-

calServiceDepartmentat1-800-323-5190.

TECHNICAL

SERVICE

SPECIFICATIONS VP600B

Btu (Variable) 4,400/6,000

Type Gas Propane/LP Only

Ignition Piezo

Pressure Regulator Setting 8" W.C.

Inlet Gas Pressure (inches of water) 14" Max. / 11" Min.

Heater Dimensions, Inches (H x W x D) 21.5" (H) x 13.5" (W) x 7" (D)

Shipping Weight (pounds) 19

When gas pressure is too low

• pilot will not stay lit

• burner will have delayed ignition

• heater will not produce specified heat

• propane/LP gas supply may be low

When gas quality is bad

• pilot will not stay lit

• burner will produce flames and soot

• heater will backfire when lit

Youmayfeelyourgaspressureistoolowor

gas quality is bad. If so, contact your local

propane/LP gas supplier.

SERVICE HINTS

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

13 14

23 24

HEATER EXPLODED VIEW

12-2

12-1

ODS/PILOT

VP600B

ILLUSTRATED

PARTS LIST

103112

OWNER’S MANUAL

Thislistcontainsreplaceablepartsusedinyourheater.Whenorderingparts,followtheinstructionslisted

under Replacement Parts on page 15 of this manual.

PARTS LIST

KEY PART

NO. NUMBER DESCRIPTION QTY.

1 098304-01 Screw, #10 x 3/8" 2

2 099467-03 Front Panel Assembly (VP600B) 1

099467-04 Front Panel Assembly (CFP600B) 1

3 099318-04 Grill Guard 1

4 101108-01 Grill Guard Clip 2

5 102018-01AA Bottom Glass Retainer 1

6 098260-03 Glass Panel 1

7 098532-03AA Top Glass Retainer 1

8 M11084-38 Screw, #8 x 3/8" 8

9 098352-03BR Deflector Unit 1

10 098271-03 Ignitor Cable 1

11 098249-01 Nut, M5 2

12 099059-03 ODS/Pilot Assembly 1

12-1 098514-01 Thermocouple 1

12-2 098594-01 Ignitor Electrode 1

13 099386-02 Burner 1

14 099387-05 Pilot Tubing 1

15 098251-08 Injector 1

MODEL: VP600B

KEY PART

NO. NUMBER DESCRIPTION QTY.

16 099463-01 Injector Holder 1

17 099415-02 Pressure Regulator 1

18 099462-01 Burner Tubing 1

19 099391-02 Regulator Tubing 1

20 098276-01 1/8" NPT Plug 1

21 099057-01 Pressure Tap Fitting 1

22 099413-02 Control Valve 1

23 099468-06 Cabinet 1

24 102445-01 Piezo Ignitor 1

25 099393-01 Control Knob 1

26 098508-01 Valve Retainer Nut 1

27 098303-02 Screw, #6 x 5/16" 2

28 099553-01 Pilot Shield 1

29 099818-01 Internal Tooth Washer 1

PARTS AVAILABLE - NOT SHOWN

099395-09 Control Position Label 1

100642-02 Assembly, Hardware 1

103112

VENT FREE PROPANE/LP GAS HEATER

BLUE FLAME 6000 BTU/HR

NOTES

_______________________________________________________________________________________________

103112

OWNER’S MANUAL

NOTES

_______________________________________________________________________________________________

KEEP THIS WARRANTY

WARRANTY INFORMATION

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

written warranty. We make no other warranty, expressed or implied.

Model

Serial No.

Date Purchased

103112-01

REV. B

7/97

2701 Industrial Drive

P.O. Box 90004

Bowling Green, KY 42102-9004

LIMITED WARRANTY

VENT-FREE RESIDENTIAL GAS HEATERS

DESA International warrants this product to be free from defects in materials and components for three (3) years and five

(5) years on stainless steel burners from the date of first purchase, provided that the product has been properly installed,

operated and maintained in accordance with all applicable instructions. 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

thisheatertoproperoperatingconditionandanallowanceforlaborwhenprovidedbyaDESAAuthorizedServiceCenter.

Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA International who will

provideoriginalfactoryreplacementparts.Failuretouseoriginalfactoryreplacementpartsvoidsthiswarranty.Theheater

MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit.

This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts that fail

orbecomedamagedasaresultofmisuse,accidents,lackofpropermaintenanceordefectscausedbyimproperinstallation.

Travel, diagnostic cost, labor, transportation and any and all such other costs related to repairing a defective heater will

be the responsibility of the owner.

TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALEOFTHE

PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES

AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUDING WARRANTIES OF

MERCHANTABILITYAND FITNESS FORAPARTICULARPURPOSETOTHREE (3) YEARSONALLCOMPO-

NENTSANDFIVE(5)YEARSONSTAINLESSSTEELBURNERSFROMTHEDATEOFFIRSTPURCHASE;AND

DESA INTERNATIONAL’S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT

AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER

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 or

consequentialdamages,sotheabovelimitationonimpliedwarranties,orexclusionorlimitationondamagesmaynotapply

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:

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