Vanguard VN6D Owner'S Operation And Installation Manual Download Page 12

12

104274

VENT-FREE NATURAL GAS HEATER

®

Figure 20 - Correct Burner Flame Pattern
(Model VN10A Shown)

Figure 21 - Incorrect Burner Flame Pattern
(Model VN10A Shown)

CLEANING AND
MAINTENANCE

ODS/PILOT AND BURNER
ORIFICE

• Use a vacuum cleaner, pressurized air,

or small, soft bristled brush to clean.

 WARNING: Turn off heater

and let cool before cleaning.

 CAUTION: You must keep

control areas, burner, and circu-
lating air passageways of heater
clean. Inspect these areas of
heater before each use. Have
heater inspected yearly by a quali-
fied service person. Heater may
need more frequent cleaning due
to excessive lint from carpeting,
bedding material, pet hair, etc.

GRH/OV 009

GOOD PILOT

GRH/OV 010

BAD PILOT

BURNER FLAME PATTERN

Figure 20 shows a correct burner flame
pattern. Figure 21 shows an incorrect burner
flame pattern.

If burner flame pattern is incorrect, as shown
in Figure 21

• turn heater off (see To Turn Off Gas to

Appliance, page 11)

• see Troubleshooting, pages 13 through 15

Pilot Burner

Thermocouple

Thermocouple

Pilot Burner

Check pilot flame pattern and burner flame
pattern often.

PILOT FLAME PATTERN

Figure 18 shows a correct pilot flame pat-
tern. Figure 19 shows an incorrect pilot
flame pattern. The incorrect pilot flame is
not touching the thermocouple. This will
cause the thermocouple to cool. When the
thermocouple cools, the heater will shut
down.

If pilot flame pattern is incorrect, as shown
in 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 Pattern

CABINET

Air Passageways

• Use a vacuum cleaner or pressurized air

to clean.

Exterior

• Use a soft cloth dampened with a mild

soap and water mixture. Wipe the cabi-
net to remove dust.

CLEANING BURNER
PILOT AIR INLET HOLE

We recommend that you clean the unit every
2,500 hours of operation or every three months.

We also recommend that you keep the burner
tube and pilot assembly clean and free of dust
and dirt. To clean these parts we recommend
using compressed air no greater than 30 PSI.
Your local computer store, hardware store, or
home center may carry compressed air in a
can. You can use a vacuum cleaner in the
blow position. If using compressed air in a
can, please follow the directions on the can.
If you don't follow directions on the can,  you
could damage the pilot assembly.

1.

Shut off the unit, including the pilot.
Allow the unit to cool for at least thirty
minutes.

2.

Inspect burner, pilot for dust and dirt.

3.

Blow air through the ports/slots and
holes in the burner.

Clean the pilot assembly also. A yellow tip
on the pilot flame indicates dust and dirt in
the pilot assembly. There is a small pilot air
inlet hole about two inches from where the
pilot flame comes out of the pilot assembly
(see Figure 22). With the unit off, lightly
blow air through the air inlet hole. You may
blow through a drinking straw if compressed
air is not available.

Figure 22 - Pilot Inlet Air Hole

Pilot Assembly

Pilot Air Inlet Hole

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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