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7

104265

OWNER’S MANUAL

Figure 5 - Mounting Screw Locations

Mounting

Screw

Locations

7

/

8

"

Minimum To

Maintain 6"

Clearance
From Wall

3

/

4

"

20 

1

/

4

"

Minimum To

Maintain 3"

Clearance

From Floor

FLOOR

JOINING WALL

INSTALLING HEATER TO
WALL

Marking Screw Locations

1.

Determine where you will locate heater.

2.

Mark two mounting screw locations on
wall (see Figure 5).

 WARNING: Maintain minimum

clearances shown in Figure 5. If
you can, provide greater clear-
ances from floor and joining wall.

For convenience and efficiency, install heater

• where there is easy access for operation,

inspection, and service

• in coldest part of room

Figure 4 - Mounting Clearances As Viewed
From Front of Heater

36"

3"

FLOOR

CEILING

Minimum

Minimum T
Of Carpeti
Combustib

6"

Minimum
From
Sides Of
Heater

Right
Side

Left
Side

THERMOSTAT SENSING
BULB

The thermostat sensing bulb is located in-
side the heater. Do not move this bulb dur-
ing installation or operation of the heater.

INSTALLATION

CHECK GAS TYPE

Use only natural gas. If your gas supply is
not natural, do not install heater. Call dealer
where you bought heater for proper type
heater.

INSTALLATION ITEMS

Before installing heater, make sure you have
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

 WARNING: A qualified ser-

vice person must install heater.
Follow all local codes.

* 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-certified equipment shutoff valve from
your dealer. See Accessory, page 18.

LOCATING HEATER

This heater is designed to be mounted on a
wall.

 WARNING: Maintain the mini-

mum clearances shown in Figure
4. If you can, provide greater clear-
ances from floor, ceiling, and join-
ing wall.

 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 ve-

hicle will not hit it

IMPORTANT:

 Vent-free heaters add mois-

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 bathroom
• in a recreational vehicle
• where curtains, furniture,

clothing, or other flammable
objects are less than 36 inches
from the front, top, or sides of
the heater

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

Continued

Minimum To
Top Surface
Of Carpeting,
Tile Or Other
Combustible
Material

NOTICE: This heater is intended
for use as supplemental heat. Use
this heater along with your pri-
mary heating system. Do not in-
stall this heater as your primary
heat source. If you have a central
heating system, you may run
system’s circulating blower while
using heater. This will help circu-
late the heat throughout the
house. In the event of a power
outage, you can use this heater
as your primary heat source.

Summary of Contents for Vanguard VN1000BTA

Page 1: ...st be performed by a qualified installer service agency or the gas supplier WARNING Improper installa tion adjustment alteration service or maintenance can cause injury or property dam age Refer to this manual for correct installation and opera tional procedures For assis tance or additional informa tion consult a qualified in staller service agency or the gas supplier WARNING Thisisanunvented gas...

Page 2: ... 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 fres...

Page 3: ...ill Guard Glass Panel Front Panel Control Knob Ignitor Button 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 UNPACKING PRODUCT FEATURES SAFETY PILOT This heater has a pilot with an Oxygen DepletionSensing ODS safetyshutoffsys tem The ODS pilot is...

Page 4: ...hose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per 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 whichtheappliancesareins...

Page 5: ... 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 46 100 Btu Hr maximum the space can support 50 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined sp...

Page 6: ...on for required size of ventilation grills or ducts WARNING Rework work sheet 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 To Crawl Space To Attic Ventilation Air From Outdoors Provide e...

Page 7: ...nal CSA AGA de sign certifiedequipmentshutoffvalvefrom your dealer See Accessory page 18 LOCATING HEATER This heater is designed to be mounted on a wall WARNING Maintain the mini mumclearancesshowninFigure 4 Ifyoucan providegreaterclear ancesfromfloor ceiling andjoin ing wall CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches above floor locatehea...

Page 8: ... thick wall shown Solid Wall 1 16 Space Figure 8 Tightening Anchors INSTALLATION Continued 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 11 Installing Bottom Mounting Screw Figure 9 Location Of Keyhole Slots On Back Panel Of Heater ...

Page 9: ...ssible 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 from going into pipe Excess sealant in pipe could result in clogged heater valves Install sediment trap trap in supply line as shown in Figure 12 Locate sediment trap where it is within reach for cleaning Locate se...

Page 10: ...e OFF position 4 Check all joints from equipment shutoff valve to control valve see Figure 14 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 10 and 11 Check the rest of the internal joints for leaks 7 Turn off heater see To Turn Off Gas To Appliance page 11 8 Replace front panel ON POSITION OFF...

Page 11: ...onds 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 CAUTION Donottrytoadjust heatinglevelsbyusingtheequip ment shutoff valve Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute before lighting pilot again 8 Turn control kno...

Page 12: ...ch use Have heaterinspectedyearlybyaquali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting bedding material pet hair etc 1 2 GLASS HEIGHT Figure 19 Correct Burner Flame Pattern Figure20 IncorrectBurnerFlamePattern Yellow Tipping 1 2 GLASS HEIGHT Ifburnerflamepatternisincorrect asshown in Figure 20 turn heater off see To Turn Off Gas to Appliance page ...

Page 13: ...ng 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 equipment 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 Cl...

Page 14: ...local natural gas company 3 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas checked by local natural gas company 3 Observe minimum installation clear ances see Figure 4 page 7 4 Clean burner see Cleaning and Mainte nance page 12 or replace burner orifice...

Page 15: ...ement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak SeeWarning statement at top of page 1 Not enough combustion ventilation air 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 Ga...

Page 16: ...16 104265 BLUE FLAME 10 000 BTU NATURAL GAS HEATER 12 2 12 1 ODS PILOT ILLUSTRATED PARTS BREAKDOWN VN1000BTA 10 12 11 1 2 3 4 5 6 7 9 8 10 13 14 15 16 17 18 21 22 24 14 20 23 19 ...

Page 17: ...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 100701 03 ODS Pilot Assembly 1 12 1 098514 01 Thermocouple 1 12 2 098594 01 Ignitor Electrode 1 13 104263 01 Burner 1 14 099387 11 Pilot Tubing 1 15 104259 05 Injector 1 piece 1 16 NJF 8C Hex Nut 1 17 099415 14 Pressure Regulator 1 18 104261 01 Burner Tubing 1 19 104264 01 Regulator Tubin...

Page 18: ...ed dealer from whom you purchased this product If they cannot sup ply original replacement part s call DESA International s Technical Service Depart ment at 1 800 323 5190 for referral infor mation When contacting your dealer or DESA International have ready your name and address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas purcha...

Page 19: ...____________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________________________...

Page 20: ...warranty TheheaterMUSTbeinstalledbyaqualified 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 or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost l...

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