Vanguard VN6D Owner'S Operation And Installation Manual Download Page 13

13

104274

OWNER’S MANUAL

POSSIBLE CAUSE

1. Ignitor electrode positioned wrong
2. Ignitor electrode broken
3. Ignitor electrode not connected to igni-

tor cable

4. Ignitor cable pinched or wet

5. Piezo ignitor nut is loose

6. Broken ignitor cable
7. Bad piezo ignitor

1. Gas supply turned off or equipment

shutoff valve closed

2. Control knob not in PILOT position
3. Control knob not pressed in while in

PILOT position

4. Air in gas lines when installed

5. ODS/pilot is clogged

6. Gas regulator setting is not correct

1. Control knob not fully pressed in
2. Control knob not pressed in long enough

3. Equipment shutoff valve not fully open
4. Thermocouple connection loose at con-

trol valve

5. Pilot flame not touching thermocouple,

which allows thermocouple to cool,
causing pilot flame to go out. This prob-
lem could be caused by one or both of
the following:
A) Low gas pressure
B) Dirty or partially clogged ODS/pilot

6. Thermocouple damaged
7. Control valve damaged

REMEDY

1. Replace ignitor
2. Replace ignitor
3. Reconnect ignitor cable

4. Free ignitor 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 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. Clean ODS/pilot (see Cleaning and

Maintenance, page 12) or replace ODS/
pilot assembly

6. Replace gas regulator

1. Press in control knob fully
2. After ODS/pilot lights, keep control

knob pressed in 10 seconds

3. Fully open equipment shutoff valve
4. Hand tighten until snug, then tighten 1/4

turn more

5. A) Contact local natural gas company

B) Clean ODS/pilot (see Cleaning and
Maintenance
, page 12) or replace ODS/
pilot assembly

6. Replace thermocouple
7. Replace control valve

OBSERVED PROBLEM

When ignitor button is pressed and control
knob is pressed in and turned to the PILOT
position, there is no spark at ODS/pilot

When ignitor button is pressed and control
knob is pressed in and turned to the PILOT
position, there is spark at ODS/pilot but no
ignition

ODS/pilot lights but flame goes out when
control knob is released

TROUBLESHOOTING

 WARNING: Turn off heater

and let cool before servicing. Only
a qualified service person should
service and repair heater.

 CAUTION: Never use a wire,

needle, or similar object to clean
ODS/pilot. This can damage ODS/
pilot unit.

Continued

Note:

 For additional help, visit DESA

International’s technical service web site
at 

www.desatech.com

.

Note:

 All troubleshooting items are listed in

order of operation.

www.desatech.com

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...

Reviews: