Desa Vanguard VN2000BTD Guide de démarrage rapide

BLUE FLAME

VENT-FREE NATURAL GAS HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

Save this manual for future reference.

VN2000BTD

VN2800BTD

20,000 and 30,000 Btu/Hr

Thermostatically-

Controlled Models

WARNING: If the information in this manual

is not followed exactly, a fire or explosion

may result causing property damage, per-

sonal 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.

• Donottouchanyelectricalswitch;donot

use any phone in your building.

• Immediately call your gas supplier from a

neighbor’s phone. Follow the gas

supplier’s instructions.

• Ifyoucannotreachyourgassupplier,call

the fire department.

— Installationandservicemustbeperformed

bya qualifiedinstaller,serviceagency, or

the gas supplier.

WARNING: This is an unvented

gas-firedheater.Itusesair(oxy-

gen)fromtheroominwhichitis

installed. Provisions for ad-

equate combustion and venti-

lation air must be provided.

Refer to

Air For Combustion

andVentilation

sectiononpage

4 of this manual.

WARNING: Improper installa-

tion,adjustment,alteration,ser-

vice,ormaintenancecancause

injury or property damage. Re-

fer to this manual for correct

installationandoperationalpro-

cedures. For assistance or ad-

ditional information consult a

qualified installer, service

agency, or the gas supplier.

This appliance may be installed in an aftermarket*, permanently located, manu-

factured (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 is not convertible for use with other gases.

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

104402

BLUE FLAME NATURAL GAS HEATER

Carbon Monoxide Poisoning: Early signs

ofcarbonmonoxidepoisoningresemblethe

flu, with headaches, dizziness, or nausea. If

you have these signs, the heater may not be

working properly. Get fresh air at once!

Haveheaterserviced.Somepeoplearemore

affected by carbon monoxide than others.

These include pregnant women, persons

with heart or lung disease or anemia, those

under the influence of alcohol, and those at

high altitudes.

Natural Gas: Natural gas is odorless. An

odor-making agent is added to natural gas.

Theodorhelpsyoudetectanaturalgasleak.

However, the odor added to natural gas can

fade.Naturalgasmaybepresenteventhough

no odor exists.

Make certain you read and understand all

warnings.Keepthismanualforreference.It

isyourguidetosafeandproperoperationof

this heater.

SAFETY

INFORMATION

1. This appliance is only for use with the

typeof gasindicatedontherating plate.

Thisappliance isnot convertiblefor use

with 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 the

gas supplier’s instructions

• ifyoucannot reachyour gassupplier,

call the fire department

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, electrical

shock, and carbon monoxide

poisoning.

DANGER: Carbon monoxide

poisoning may lead to death!

WARNING: Any change to

this heater or its controls can be

dangerous.

3. This heater shall not be installed in a

bedroom or bathroom.

4. This heaterneeds fresh,outside airven-

tilation to run properly.This heater has

an Oxygen Depletion Sensing (ODS)

safety shutoff system. The ODS shuts

down the heater if not enough fresh air

is available. See Air for Combustion

and 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 proper

combustion.

6. If heater shuts off, do not relight until

you provide fresh, outside air. If heater

keeps shutting off, have it serviced.

7. Do not run heater

• where flammable liquids or vapors

are used or stored

• under dusty conditions

8. 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.

9. Turn off and unplug heater and let cool

beforeservicing.Onlyaqualifiedservice

person should service and repair heater.

10. Operating heater above elevations of

4,500 feet could cause pilot outage.

Do not place clothing or other

flammable material on or near

the appliance. Never place any

objects on the heater.

Surface of heater becomes very

hot when running heater. Keep

children and adults away from

hot surface to avoid burns or

clothing 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 same

room with heater.

Make sure grill guard is in place

before running heater.

Keeptheapplianceareaclearand

free from combustible materials,

gasoline and other flammable

vapors and liquids.

Due to high temperatures, the

appliance should be located out

oftrafficandawayfromfurniture

and draperies.

WARNING: Do not use any

accessory not approved for use

with this heater.

104402

OWNER’S MANUAL

PRODUCT

IDENTIFICATION

LOCAL CODES

Install and use heater with care. Follow all

localcodes.Intheabsenceoflocalcodes,use

the latest edition of National Fuel Gas Code

ANS Z223.1, also known as NFPA 54*.

*Available from:

American National Standards Institute, Inc.

1430 Broadway

New York, NY 10018

National Fire Protection Association, Inc.

Batterymarch 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 Natural Gas Heater (Models VN2800BTD Shown)

Ignitor Button Control Knob

Heater

Cabinet

Front

Panel

PRODUCT

FEATURES

SAFETY DEVICE

This heater has a pilot with an Oxygen

Depletion Sensing (ODS) safety shutoff

system. The ODS/pilot is a required feature

for vent-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.

THERMOSTATIC HEAT

CONTROL

This heater has a thermostat sensing bulb

andacontrolvalve.Thisresultsinthegreat-

est heater comfort. This can also result in

lower gas bills.

Glass

Panel

Grill

Guard

104402

BLUE FLAME NATURAL GAS HEATER

AIR FOR

COMBUSTION AND

VENTILATION

Today’s homes are built more energy effi-

cient than ever. New materials, increased

insulation, and new construction methods

helpreduceheatlossinhomes.Homeowners

weatherstrip andcaulk aroundwindows and

doorstokeepthecoldairoutandthewarmair

in. During heating months, home owners

want their homes as airtight as possible.

While it is good to make your home energy

efficient,yourhome needstobreathe.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.

WARNING: This heater shall

notbeinstalledinaconfinedspace

or unusually tight construction

unless provisions are provided

foradequatecombustionandven-

tilation air. Read the following in-

structions to insure proper fresh

air for this and other fuel-burning

appliances in your home.

PROVIDING ADEQUATE

VENTILATION

The following are excerpts from National

Fuel Gas Code. NFPA 54/ANS Z223.1, Sec-

tion5.3,AirforCombustionandVentilation.

Allspacesinhomesfallintooneofthethree

following ventilation classifications:

1. Unusually Tight Construction

2. Unconfined Space

3. Confined Space

The information on pages 4 through 6 will

help you classify your space and provide

adequate ventilation.

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 de-

fined as construction where:

a. walls and ceilings exposed to the

outside atmosphere have a con-

tinuous water vapor retarder with

a rating of (one perm 6x10-11 kg

per pa-sec-m2) or less with open-

ings gasketed or sealed

and

b. weather stripping has been

added on openable windows and

doors

and

c. caulking or sealants are applied

to areas such as joints around

window and door frames, be-

tween sole plates and floors,be-

tween wall-ceiling joints, be-

tween wall panels, at penetra-

tionsforplumbing,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 6.

If your home does not meet all of the

three criteria above, proceed to

De-

termining Fresh-Air Flow For Heater

Location

, page 5.

Confined and Unconfined Space

The National Fuel Gas Code ANS Z223.1

defines a confined space as a space whose

volume is less than 50 cubic feet per 1,000

Btu per hour (4.8 m3per kw) of the aggre-

gate input rating of all appliances installed

in that space and an unconfined space as a

space whose volume is not less than 50

cubicfeetper1,000Btuperhour(4.8m3per

kw) of the aggregate input rating of all

appliances installed in that space. Rooms

communicating directly with the space in

whichtheappliancesareinstalled*,through

openings 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 construction

unlessprovisions areprovided foradequate

combustion and ventilation air.

*Adjoiningroomsarecommunicatingonly

iftherearedoorlesspassagewaysorventila-

tion grills between them.

104402

OWNER’S MANUAL

AIR FOR

COMBUSTION AND

VENTILATION

Continued

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:Includestheroominwhichyouwillinstallheaterplusanyadjoiningroomswithdoorlesspassagewaysorventilationgrillsbetween

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 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:

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/Hr

Vented gas heater ___________________Btu/Hr

Gas fireplace logs ___________________Btu/Hr

Other gas appliances* +___________________Btu/Hr

Total =___________________Btu/Hr

* Do not include direct-vent gas appliances. Direct-vent draws combustion air from the outdoors and vents to the outdoors.

4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used.

_________________ Btu/Hr (maximum the space can support)

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

Example:

51,200 Btu/Hr (maximum the space can support)

60,000 Btu/Hr (actual amount of Btu/Hr used)

ThespaceintheaboveexampleisaconfinedspacebecausetheactualBtu/HrusedismorethanthemaximumBtu/Hrthespacecansupport.

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 no

additional fresh air ventilation.

Continued

Example:

Gas water heater 40,000 Btu/Hr

Vent-free heater +20,000 Btu/Hr

Total =60,000 Btu/Hr

WARNING:Iftheareainwhichtheheatermaybeoperatedissmallerthanthatdefinedasanunconfinedspace

or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of

the methods described in the

National Fuel Gas Code, ANS Z223.1, Section 5.3

or applicable local codes.

104402

BLUE FLAME NATURAL GAS HEATER

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/ANS

Z223.1,Section5.3,AirforCombustionand

Ventilation for required size of ventilation

grills or ducts.

IMPORTANT:

Do notprovideopeningsfor

inlet or outlet air into attic if attic has a

thermostat-controlledpowervent.Heatedair

enteringtheatticwillactivatethepowervent.

AIR FOR

COMBUSTION AND

VENTILATION

Continued

Remove

Door into

Adjoining

Room,

Option 3

Ventilation Grills

Into Adjoining Room,

Option 2

12"

Ventilation

Grills

into Adjoining

Room,

Option 1

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/ANS Z223.1, Section

5.3, Air for Combustion and Ventilation for

required size of ventilation grills or ducts.

Figure 2 - Ventilation Air from Inside Building

WARNING: Rework work-

sheet, adding the space of the

adjoiningunconfinedspace.The

combined spaces must have

enough fresh air to supply all

appliances in both spaces.

104402

OWNER’S MANUAL

36"

FLOOR

CEILING

Minimum

Of Carpet

Combusti

Minimum

From

Sides Of

Heater

Left

Side Right

Side

INSTALLATION

Continued

CHECK GAS TYPE

Use only natural gas. If your gas supply is not

natural,donotinstallheater.Calldealerwhere

you bought heater for proper type heater.

INSTALLATION ITEMS

Beforeinstallingheater,makesureyouhave

the 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 equipment

shutoff valve with 1/8" NPT tap is an ac-

ceptable alternative to test gauge connec-

tion. Purchase the optional CSA/AGA de-

sign-certifiedequipmentshutoffvalvefrom

your dealer. See Accessories, page 17.

WARNING: A qualified ser-

vice person must install heater.

Follow all local codes.

WARNING:Maintainthemini-

mumclearancesshowninFigure

4.Ifyoucan,providegreaterclear-

ancesfromfloor,ceiling,andjoin-

ing wall. CAUTION: If you install the

heater in a home garage

• heaterpilotandburnermustbe

at least 18 inches above floor

• locateheaterwheremovingve-

hicle will not hit it

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 4 through 6.

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 (such as to-

bacco smoke, aromatic candles,

cleaning fluids, oil or kerosene

lamps, etc.) in the air exist, may

discolor walls.

WARNING: Never install the

heater

• in a bedroom or bathroom

• 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

Youcan locateheater onfloor, awayfrom a

wall. An optional floor mounting stand is

needed. Purchase the floor mounting stand

fromyour dealer.SeeAccessories,page17.

NOTICE: This heater is intended

foruseassupplementalheat.Use

this heater along with your pri-

mary heating system. Do not in-

stall this heater as your primary

heatsource.If youhaveacentral

heating system, you may run

system’scirculatingblowerwhile

usingheater.Thiswillhelpcircu-

late the heat throughout the

house. In the event of a power

outage, you can use this heater

as your primary heat source.

LOCATING HEATER

Thisheaterisdesignedtobemountedonawall.

Figure4-MountingClearancesAsViewed

From Front of Heater

Forconvenienceandefficiency,installheater

• where there is easy access for operation,

inspection, and service

• in coldest part of room

An optional fan kit is available from your

dealer. See Accessories, page 17. If plan-

ningtousefan,locate heaternearanelectri-

cal outlet.

THERMOSTAT SENSING

BULB

The thermostat sensing bulb has been placed

insidetheheaterforprotectionduringshipping.

Locating Thermostat Sensing

Bulb

1. Remove front panel of heater (see Fig-

ure 7, page 8).

2. Locate thermostat sensing bulb just

under burner assembly.

IMPORTANT:

Attach thermostat sensing

bulb to back of heater for proper operation.

Minimum To Top Of

Carpeting, Tile Or Other

Combustible Material

104402

BLUE FLAME NATURAL GAS HEATER

18 3/4"

Min.

11"

Min. 16"

Adjoining Wall

Only Insert Mounting

Screws Through Last

Hole On Each End

Floor

Model VN2800BTD

Model VN2000BTD

Figure 8 - Mounting Bracket Clearances

WARNING:Maintainminimum

clearances shown in Figure 8. If

you can, provide greater clear-

ancesfromfloorandjoiningwall.

INSTALLING HEATER TO

WALL

Mounting Bracket

Locate mounting bracket in heater carton.

Removemountingbracketfromheatercarton.

Figure 6 - Mounting Bracket

Figure7-RemovingFrontPanelOfHeater

Methods For Attaching

Mounting Bracket To Wall

Only use last hole on each end of mounting

bracket to attach bracket to wall. These two

holes are 16 inches apart from their centers.

Attach mounting bracket to wall in one of

two ways:

1. Attaching to wall stud

2. Attaching to wall anchor

Attaching To Wall Stud: This method pro-

vides the strongest hold. Insert mounting

screws through mounting bracket and into

wall studs.

Attaching To Wall Anchor: This method

allows you to attach mounting bracket to

hollow walls (wall areas between studs) or to

solid walls (concrete or masonry).

Decidewhichmethodbettersuitsyourneeds.

Eithermethodwillprovideasecureholdfor

the mounting bracket.

Removing Front Panel Of Heater

1. Remove two screws near bottom cor-

ners of front panel.

2. Liftstraightupongrillguarduntilitstops.

Grill guard will slide up about 1/4".

3. Pull bottomof frontpanel forward,then

down.

4. Remove cardboard packing from grill

and glass.

INSTALLATION

Continued

Figure 5 - Attaching Thermostat Sensing

Bulb

Clamp

Thermostat

Sensing Bulb

Attaching Thermostat Sensing

Bulb

1. Remove thermostat sensing bulb from

holders inside heater. Route through

slot opening in bottom of heater.

2. Place clampon thermostatsensing bulb

as shown in Figure 5. Clamp is pro-

vided in hardware package.

3. Snap clamp into upper mounting hole

as shown in Figure 5. Mounting hole is

located on lower left edge on back of

heater. Make sure the thermostat sens-

ing bulb is pointing up.

Marking Screw Locations

1. Tape mounting bracket to wall where

heater will be located. Make sure

mounting bracket is level.

2. Mark screw locations on wall (see Fig-

ure 8).

Note:

Only mark last hole on each end

of mounting bracket. Insert mounting

screws through these holes only.

3. Remove tape and mounting bracket

from wall.

16"

18 3/4"

Min.

7 1/4"

Min.

Adjoining Wall

Only Insert Mounting

Screws Through Last

Hole On Each End

Floor

104402

OWNER’S MANUAL

Attaching Mounting Bracket To

Wall

Note:

Wall anchors, mounting screws, and

spacers are in hardware package. The hard-

ware package is provided with heater.

Attaching To Wall Stud Method

Forattachingmountingbrackettowallstuds

1. Drill holes at marked locations using

9/64" drill bit.

2. Place mountingbracket ontowall.Line

uplasthole oneach end ofbracket with

holes drilled in wall.

3. Insert mountingscrews throughbracket

and into wall studs.

4. Tighten screws until mounting bracket

is firmly fastened to wall studs.

Figure 9 - Folding Anchor

INSTALLATION

Continued

Attaching To Wall Anchor Method

For attaching mounting bracket to hollow

walls (wall areas between studs) or solid

walls (concrete or masonry)

1. Drill holes at marked locations using

5/16"drillbit. Forsolid walls (concrete

or masonry), drill at least 1" deep.

2. Fold wall anchor as shown in Figure 9.

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.

IMPORTANT:

Do not hammer key!

Forthick walls(over 1/2"thick) orsolid

walls, do not pop open wings.

5. Place mountingbracket ontowall.Line

uplasthole oneach end ofbracket with

wall anchors.

6. Insert mountingscrews throughbracket

and into wall anchors.

7. Tighten screws until mounting bracket

is firmly fastened to wall.

Placing Heater On Mounting

Bracket

1. Locate two horizontal slots on back

panel of heater.

2. Place heater onto mounting bracket.

Slide horizontal slots onto stand-out

tabs on mounting bracket.

Figure 12 - Installing Bottom Mounting

Screws

Figure 10 - Popping Open Anchor Wings

For Thin Walls

Figure 11 - Mounting Heater Onto Mount-

ing Bracket

Horizontal Slots

Mounting Bracket

(attached to wall)

Stand-Out Tab

Installing Bottom Mounting

Screws

1. Locate two bottom mounting holes.

These holes are near bottom on back

panel of heater (see Figure 12).

2. Mark screw locations on wall.

3. Remove heaterfrom mountingbracket.

4. If installing bottom mounting screws

into hollow or solid wall, install wall

anchors. Follow steps 1 through 4 un-

der Attaching To Wall Anchor Method.

If installing bottom mounting screw

into 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-

ingholes andwallanchor ordrilledhole.

7. Hold spacer in place with one hand.

With otherhand, insertmounting screw

through bottom mounting hole and

spacer. Place tip of screw in opening

of wall anchor or drilled hole.

8. Tightenbothscrewsuntil heaterisfirmly

secured to wall. Do not over tighten.

Note:

Do not replace front panel at this

time. Replace front panel after making

gasconnectionsand checkingfor leaks.

(see pages 10 and 11).

Continued

104402

BLUE FLAME NATURAL GAS HEATER

Pressure

Regulator

Tee Joint

Reducer

Bushing to

1/8" NPT

Plug Tap

Test

Gauge

Connection *

Tee Joint

Pipe Nipple

Cap

3/8" NPT

Pipe Nipple

Figure 13 - Gas Connection

* ACSA/AGAdesign-certifiedequipmentshutoffvalvewith1/8"NPTtapisanacceptable

alternative to test gauge connection. Purchase the optional CSA/AGA design-certified

equipment shutoff valve from your dealer. See Accessories, page 17.

Heater

Cabinet

Sediment

Trap

Equipment

Shutoff

Valve *

3" Minimum

Typical Inlet

Pipe from

Gas Meter

(5" W.C. to

10.5" W.C.

Pressure)

Ground Joint Union

CONNECTING TO GAS

SUPPLY

WARNING: A qualified ser-

vicepersonmust connectheater

to gas supply. Follow all local

codes.

WARNING: Never connect

heater to private (non-utility) gas

well.Thisgasiscommonlyknown

as wellhead gas.

Typical Inlet Pipe Diameters

VN2000BTD 3/8" or greater

VN2800BTD 1/2" or greater

Installation must include equipment shutoff

valve, 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).

IMPORTANT:

Installanequipmentshutoff

valve in an accessible location. The equip-

ment shutoff valve is for turning on or

shutting off the gas to the appliance.

Apply pipe joint sealant lightly to male

threads. This will prevent excess sealant

fromgoing intopipe. Excesssealant inpipe

could result in clogged heater valves.

Installsedimenttrapinsupplylineasshown

in Figure 13. Locate sediment trap where it

is within reach for cleaning. Locate sedi-

menttrapwhere trappedmatter 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.

IMPORTANT:

Holdpressureregulatorwith

wrench when connecting it to gas piping

and/or fittings.

CAUTION: Use only new,

black iron or steel pipe. Inter-

nally-tinned copper tubing may

be used in certain areas. Check

yourlocalcodes.Usepipeoflarge

enough diameter to allow proper

gas volume to heater. If pipe is

too small, undue loss of pres-

sure will occur.

CAUTION:Usepipejointseal-

antthatisresistanttonaturalgas.

IMPORTANT:

Check gasline pressurebe-

fore connecting heater to gas line. Gas line

pressure must be no greater than 14 inches

of water. If gas line pressure is higher,

heater regulator damage could occur.

INSTALLATION

Continued

WARNING:Thisappliancere-

quires a 3/8" NPT (National Pipe

Thread) inlet connection to the

pressure regulator.

Ce manuel convient aux modèles suivants

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