Vanguard VMH3000TPA Owner'S Operation And Installation Manual Download Page 19

19

107098

OWNER’S MANUAL

For more information, visit www.desatech.com

CLEANING AND
MAINTENANCE

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.

 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,
pet hair, bedding material, etc.

 WARNING: Turn off heater

and let cool before cleaning.

CLEANING BURNER
INJECTOR HOLDER AND
PILOT AIR INLET HOLE

The primary air inlet holes allow the proper
amount of air to mix with the gas. This
provides a clean burning flame. Keep these
holes clear of dust, dirt, lint, and pet hair.
Clean these air inlet holes prior to each
heating season. Blocked air holes will cre-
ate soot. We recommend that you clean the
unit every three months during operation
and have heater inspected yearly by a quali-
fied service person.

We also recommend that you keep the burner
tube and pilot assembly clean and free of
dust and dirt. To clean these parts we recom-
mend using compressed air no greater than
30 PSI. Your local computer store, hard-
ware store, or home center may carry com-
pressed air in a can. You can use a vacuum
cleaner in the blow position. If using com-
pressed air in a can, please follow the direc-
tions on the can. If you don't follow direc-
tions 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, and primary air
inlet holes on injector holder for dust
and dirt (see Figure 28).

3.

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

Figure 28 - Injector Holder On Outlet
Burner Tube

4.

Check the injector holder located at the
end of the burner tube again. Remove
any large particles of dust, dirt, lint, or
pet hairs with a soft cloth or vacuum
cleaner nozzle.

5.

Blow air into the primary air holes on
the injector holder.

6.

In case any large clumps of dust have
now been pushed into the burner repeat
steps 3 and 4.

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 29). 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 29 - Pilot Inlet Air Hole

Pilot Assembly

Pilot Air Inlet Hole

REPLACEMENT
PARTS

Note:

 Use only original replacement parts.

This will protect your warranty coverage for
parts replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealers of this product.
If they can’t supply original replacement
part(s), call DESA International’s Techni-
cal Service Department at 1-800-323-5190
for referral information.

When calling DESA International, have
ready

• your name

• your address

• model and serial numbers of your heater

• how heater was malfunctioning

• type of gas used (propane/LP or natural

gas)

• purchase date

Usually, we will ask you to return the defec-
tive part to the factory.

PARTS NOT UNDER
WARRANTY

Contact authorized dealers of this product. If
they can’t supply original replacement part(s),
call DESA International’s Parts Department
at 1-800-972-7879 for referral information.

When calling DESA International, have
ready

• model number of your heater

• the replacement part number

Burner
Tube

Injector
Holder

Primary Air
Inlet Hole

Ports/Slots

Summary of Contents for VMH3000TPA

Page 1: ...rmedbyaquali fied installer service agency or the gas supplier WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manualforcor...

Page 2: ...lower insert heat exchanger insert or other accessory not approvedforusewiththisheater 4 This heater shall not be installed in a bedroom or bathroom 5 This heater needs fresh outside air ven tilation...

Page 3: ...k go dk irln fgp d f AS DF KIG LF JI als kd idk oe mk go dk irln fgp d f AS DF KIG LF JI als kd idk oe mk go dk irln fgp d f AS DF KIG LF JI als kd idk oe mk go dk irln fgp d f AS DF KIG LF JI als kd...

Page 4: ...ing to mount heater to wall Log Retaining Brackets Figure 3 Assembling Heater Truss Head Screw Nut Front Panel Figure 4 Attaching Brass Front Trim to Front Panel Brass Front Trim Top Brass Trim Slot M...

Page 5: ...ms are communicating only iftherearedoorlesspassagewaysorventila tion grills between them WARNING This heater shall notbeinstalledinaconfinedspace or unusually tight construction unless provisions are...

Page 6: ...nclude direct vent gas appliances Direct vent 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...

Page 7: ...12 12 Ventilation Grills into Adjoining Room Option 1 Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic WARNING Rework work sheet adding the spa...

Page 8: ...If you have a central heating system you may run system scirculatingblowerwhile using heater This will help circu late the heat throughout the house In the event of a power outage you can use this hea...

Page 9: ...rs Attach mounting bracket to wall in one of two ways 1 Attaching to wall stud 2 Attaching to wall anchor Attaching To Wall Stud This method pro vides the strongest hold Insert mounting screws through...

Page 10: ...wall stud drill holes at marked lo cations using 9 64 drill bit 5 Replace heater onto mounting bracket 6 Place spacers between bottom mount ingholesandwallanchorordrilledhole 7 Hold spacer in place wi...

Page 11: ...rth base in desired location Mark holes for drilling See Figure 16 Remove hearth base 2 For carpeted floor make a small cut with a sharp knife at marked locations before drilling If securing to a wood...

Page 12: ...gulator 11 W C to 14 W C Pressure The installer must supply an external regu lator The external regulator will reduce incoming gas pressure You must reduce incominggaspressuretobetween11and14 inches o...

Page 13: ...toff valve see Figure 21 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once Open Closed Equipment Shutoff Valve Figure 21 Checking Gas Joints...

Page 14: ...e ap pliance if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the PILOT position A This appliance has a pilot which must be lighted by hand When li...

Page 15: ...24 Correct Pilot Flame Pattern Thermocouple Thermocouple INSPECTING BURNER Figure 25 Incorrect Pilot Flame Pattern Pilot Burner Pilot Burner Check pilot flame pattern and burner flame pattern often PI...

Page 16: ...uple 8 Replace control valve 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 i...

Page 17: ...or replace burner orifice 1 Turn heater off when using furniture polish wax carpet cleaners or similar products TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS pilot is lit...

Page 18: ...dor during combustion POSSIBLE CAUSE 1 Metal expanding while heating or con tracting while cooling 1 Heater burning vapors from paint hair spray glues etc see IMPORTANT statement above 2 Gas leak SeeW...

Page 19: ...injector holder for dust and dirt see Figure 28 3 Blow air through the ports slots and holes in the burner Figure 28 Injector Holder On Outlet Burner Tube 4 Check the injector holder located at the en...

Page 20: ...PROPANE LP GAS RESIDENTIAL HEATERS For more information visit www desatech com 1 2 9 10 10 12 13 14 15 17 19 20 23 24 25 6 26 6 7 1 1 3 1 28 5 16 18 4 22 1 1 1 21 11 8 27 ILLUSTRATED PARTS BREAKDOWN V...

Page 21: ...or Cable 1 11 098249 01 Nut M5 2 12 107486 01 ODS Pilot Assembly 1 13 103447 01 Burner 1 14 099387 03 3 16 Pilot Tubing 1 15 103845 10 Injector 1 16 NJF 8C Nut Hex 1 17 099415 06 Pressure Regulator 1...

Page 22: ...Piezo Pressure Regulator Setting 8 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 Dimensions Inches H x W x D Heater 23 75 x 25 9 x 8 5 Carton 25 8 x 28 7 x 10 1 Weight pounds Heater 29 Ship...

Page 23: ...Shown Your vent free gas appliance requires regu lar cleaning and maintenance to prevent performance problems This kit gives you the tools and instructions to make it easy to clean all critical areas...

Page 24: ...Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF TH...

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