Vanguard VP5D Owner'S Operation And Installation Manual Download Page 14

PROPANE/LP GAS HEATERS

14

®

 VP5D AND VP10A

104273

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

Burner(s) does not light after ODS/pilot is lit

Delayed ignition of burner(s)

Burner backfiring during combustion

Burner plaque(s) does not glow

Slight smoke or odor during initial operation

Heater produces a clicking/ticking noise
just after burner is lit or shut off

White powder residue forming within burner
box or on adjacent walls or furniture

REMEDY

1. Clean burner orifice(s) (see Cleaning

and Maintenance, page 12) or replace
burner orifice(s)

2. Replace burner orifice(s)
3. Contact local propane/LP gas company

1. Contact local propane/LP gas company
2. Clean burner orifice(s) (see Cleaning

and Maintenance, page 12) or replace
burner orifice(s)

1. Clean burner orifice(s) (see Cleaning

and Maintenance, page 12) or replace
burner orifice(s)

2. Contact local propane/LP gas company
3. Replace burner
4. Replace gas regulator

1. Replace burner
2. Contact local propane/LP gas company
3. Turn control knob until it locks at de-

sired setting

1. Problem will stop after a few hours of

operation

1. This is common with most heaters. If

noise is excessive, contact qualified ser-
vice person

1. Turn heater off when using furniture

polish, wax, carpet cleaners, or similar
products

POSSIBLE CAUSE

1. Burner orifice(s) is clogged

2. Burner orifice(s) diameter is too small
3. Inlet gas pressure is too low

1. Manifold pressure is too low
2. Burner orifice(s) is clogged

1. Burner orifice(s) is clogged or damaged

2. Inlet gas pressure is too low
3. Burner damaged
4. Gas regulator defective

1. Plaque damaged
2. Inlet gas pressure is too low
3. Control knob set between locked positions

1. Residues from manufacturing processes

1. Metal expanding while heating or con-

tracting while cooling

1. When heated, vapors from furniture pol-

ish, wax, carpet cleaners, etc. turn into
white powder residue

www.desatech.com

Summary of Contents for VP5D

Page 1: ...y a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxy gen from the room in which it is installed Provisionsforadequate combustion and...

Page 2: ...etween locked positions Poor combustion may result 6 This heater needs fresh outside air ven tilation to run properly This heater has an oxygen depletion sensor ODS pi lot light safety system The ODS...

Page 3: ...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 143...

Page 4: ...s to breathe 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...

Page 5: ...ter __________________Btu Hr Gas water heater __________________Btu Hr Gas furnace __________________Btu Hr Vented gas heater __________________Btu Hr Gas fireplace logs __________________Btu Hr Other...

Page 6: ...cts 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 2 Ventilation Air from In...

Page 7: ...re 4 Ifyoucan providegreaterclear ancesfromfloor ceiling andjoin ing wall WARNING Never install the heater in a bathroom VP10A only in a recreational vehicle where curtains furniture clothing or other...

Page 8: ...ued Figure 8 Tightening Anchors Thin or Thick Wall thick wall shown Solid Wall 1 16 Space Placing Heater On Mounting Screws 1 Locate two keyhole slots on back panel of heater see Figure 9 2 Place larg...

Page 9: ...menttrapinsupplylineasshown in Figure 13 Locate sediment trap where it is within reach for cleaning Locate sedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture an...

Page 10: ...ust be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is he...

Page 11: ...0 seconds after lighting pilot After 10 seconds release control knob Note If pilot goes out repeat steps 3 through 7 OFF PILOT IGNITOR LOW HIGH TO SELECT HEATING LEVEL 1 Slightly press in control knob...

Page 12: ...ean Inspect these areas of heater before each use Have heaterinspectedyearlybyaquali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting bedding material pe...

Page 13: ...itor 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...

Page 14: ...Contact local propane LP gas company 3 Replace burner 4 Replace gas regulator 1 Replace burner 2 Contact local propane LP gas company 3 Turn control knob until it locks at de sired setting 1 Problem w...

Page 15: ...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 Combustio...

Page 16: ...ex 8 x 1 4 9 7 099059 03 ODS Pilot Assembly 1 7 1 098514 01 Thermocouple 1 7 2 098594 01 Ignitor Electrode 1 8 099884 01 Burner Assembly 1 9 099056 01 Injector 1 10 099390 01 Tubing Valve to burner 1...

Page 17: ...ulator to valve 1 PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 18 of this manual ODS PILOT ILL...

Page 18: ...TechnicalServiceDe partment at 1 800 323 5190 for referral in formation When contacting your dealer or DESA In ternational have ready your name your address model and serial numbers of your heater how...

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

Page 20: ...y 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...

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