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BLUE FLAME

VENT-FREE NATURAL GAS HEATER

OWNER’S OPERATION AND INSTALLATION MANUAL

10,000 Btu/Hr

Thermostatically-

Controlled Models

VN1000BTA

WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing property damage, personal injury, or loss of life.

— Do not store or use gasoline or other

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.

— Installation and service must 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: This is an unvented
gas-fired heater. It uses air
(oxygen) from the room in
which it is installed. Provisions
for adequate combustion and
ventilation air must be pro-
vided. Refer to 

Air for Com-

bustion and Ventilation sec-
tion on page 4 in this manual.

®

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

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

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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