Vanguard VN6D Owner'S Operation And Installation Manual Download Page 15

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OWNER’S MANUAL

 WARNING: If you smell gas

• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your

building.

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

gas supplier’s instructions.

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

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.

www.desatech.com

OBSERVED PROBLEM

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/condensation noticed on windows

POSSIBLE CAUSE

1. Heater burning vapors from paint, hair

spray, glues, etc. See 

IMPORTANT

statement above

2. Gas leak. 

See Warning statement

above

1. Not enough fresh air is available
2. Low line pressure
3. ODS/pilot is partially clogged

1. Gas leak. 

See Warning statement

above

2. Control valve defective

1. Foreign matter between control valve

and burner

2. Gas leak. 

See Warning statement

above

1. Not enough combustion/ventilation air

REMEDY

1. Ventilate room. Stop using odor-causing

products while heater is running

2. Locate and correct all leaks (see Check-

ing Gas Connections, page 10)

1. Open window and/or door for ventilation
2. Contact local natural gas company
3. Clean ODS/pilot (see Cleaning and

Maintenance, page 12)

1. Locate and correct all leaks (see Check-

ing Gas Connections, page 10)

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 10)

1. Refer to Air for Combustion and Venti-

lation requirements (page 4)

Summary of Contents for VN6D

Page 1: ...qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater Itusesair oxygen fromthe roominwhichitisinstalled Provisions for adequate combustionandventilation...

Page 2: ...utside air ven 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...

Page 3: ...ing ap plied to heater for shipment 3 Check heater for any shipping damage If heater is damaged promptly inform dealer where you bought heater PRODUCT FEATURES SAFETY PILOT This heater has a pilot wit...

Page 4: ...ces This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code NFPA 54 ANS Z223 1 Sec tion5 3 AirforCombust...

Page 5: ...urning appliances in the space Vent free heater ________________ Btu Hr Gas water heater ________________ Btu Hr Gas furnace ________________ Btu Hr Vented gas heater ________________ Btu Hr Gas firep...

Page 6: ...tticwillactivatethepowervent Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 12 12 Ventilation Grills into Adjoining Room Option 1 Figure 2 Ventilation Air...

Page 7: ...From Floor FLOOR JOINING WALL INSTALLATION WARNING A qualified ser vice person must install heater Follow all local codes CHECK GAS TYPE Use only natural gas If your gas supply is not natural do not...

Page 8: ...er tighten Note Do not replace front panel at this time Replace front panel after making gas connections and checking for leaks see pages 9 and 10 Figure 7 Popping Open Anchor Wings For Thin Walls Thi...

Page 9: ...mall undue loss of pressure will occur Installationmustincludeaequipmentshutoff valve ground joint union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be up s...

Page 10: ...ther using compressed air or opening main gas valve located on or near gas meter 3 Check all joints from gas meter to equip ment shutoff valve see Figure 14 Ap ply mixture of liquid soap and water to...

Page 11: ...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 no...

Page 12: ...Figure 19 turn heater off see To Turn Off Gas to Appliance page 11 see Troubleshooting pages 13 through 15 INSPECTING BURNER Figure 19 Incorrect Pilot Flame Pattern Figure 18 Correct Pilot Flame Patt...

Page 13: ...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...

Page 14: ...local natural gas company 3 Replace burner 4 Replace gas regulator 1 Replace burner 2 Contact local natural gas company 3 Turn control knob until it locks at de sired setting 1 Problem will stop after...

Page 15: ...ionnoticedonwindows POSSIBLE CAUSE 1 Heater burning vapors from paint hair spray glues etc See IMPORTANT statement above 2 Gas leak See Warning statement above 1 Not enough fresh air is available 2 Lo...

Page 16: ...7 2 098594 01 Ignitor Electrode 1 8 099884 01 Burner Assembly 1 9 099056 04 Injector 1 10 099390 01 Tubing Valve to burner 1 11 099387 05 Pilot Tubing Valve to pilot 1 12 099391 02 Tubing Regulator to...

Page 17: ...7 2 098594 01 Ignitor Electrode 1 8 099884 02 Burner Assembly 1 9 099056 06 Injector 2 10 099390 02 Tubing Valve to plaque A 1 11 099387 05 Pilot Tubing Valve to pilot 1 12 099392 01 Tubing Valve to p...

Page 18: ...eplaced under warranty PARTS UNDER WARRANTY Contact authorized dealer from whom you purchased this product If they cannot sup ply original replacement part s call DESA International s Technical Servic...

Page 19: ...___________________ _______________________________________________________________________________________________ ____________________________________________________________________________________...

Page 20: ...o repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY...

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