background image

11

104086

OWNER’S MANUAL

1.

Remove front panel (see Figure 10,
page 8).

2.

Follow steps 1 through 5 under Light-
ing Instructions
.

3.

With control knob pressed in, strike
match. Hold match to pilot until pi-
lot lights.

4.

Keep control knob pressed in for 10
seconds after pilot is lit. After 10 sec-
onds, release control knob. Follow
step 8 under Lighting Instructions
.

5.

Replace front panel.

6.

With control knob pressed in, push
down and release ignitor button. This
will light pilot. The pilot is attached
to the bottom of burner. The pilot can
be seen below the left hand plaque.
If needed, keep pressing ignitor but-
ton until pilot lights.
• If pilot does not stay lit, contact a

qualified service person or gas
supplier for repairs.

7.

Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob.
• If control knob does not pop up

when released, contact a qualified
service person or gas supplier for
repairs.

Note:

 If pilot does not light, repeat

steps 3 through 7. This heater has
a safety interlock system. Wait one
(1) minute before lighting pilot
again.

8.

Turn control knob counterclockwise

C-clockwise

 to desired heating level. Both

plaques should light. Set control
knob to any heat level between HI
and LO.

THERMOSTAT

CONTROL

OPERATION

The control knob can be set to any heat
level between HI and LO. When the room
temperature exceeds the set temperature,
the burner will cycle to pilot. The burner
will cycle back on when room tempera-
ture drops below the set temperature.
Selecting a higher setting will cause the
heater to run longer, producing greater
heat output. At lower settings, the heater
will run less.

Note:

 The thermostat sensing bulb mea-

sures the temperature of air near the
heater cabinet. This may not always agree
with room temperature (depending on
housing construction, installation loca-
tion, room size, open air temperatures,
etc.) Frequent use of your heater will let
you determine your own comfort levels.

TO TURN OFF GAS

TO APPLIANCE

Shutting Off Heater

Turn control knob clockwise  

Clockwise

 to

the OFF position.

Shutting Off Burner Only (pilot
stays lit)

Turn control knob clockwise 

Clockwise

 to

the PILOT position.

MANUAL LIGHTING

PROCEDURE

Ignitor Electrode

Pilot Burner

Thermocouple

Figure 16 - Pilot

 CAUTION: Do not try to ad-

just heating levels by using the
equipment shutoff valve.

OPERATING
HEATER

Continued

IGNITOR

PILOT

LO

OFF

HI

LIGHTING

INSTRUCTIONS

1.

STOP! Read the safety information
on page 10, column 3.

2.

Make sure equipment shutoff valve
is fully open.

3.

Turn control knob clockwise 

Clockwise

to the OFF position.

4.

Wait five (5) minutes to clear out any
gas. Then smell for gas, including near
the floor. If you smell gas, STOP! Fol-
low “B” in the safety information on
page 10, column 3. If you don’t smell
gas, go to the next step.

5.

Press in control knob, and turn coun-
terclockwise 

C-clockwise

 to pilot position.

Keep control knob pressed for five
seconds.

Note:

 You may be running 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.

Figure 15 - Control Knob In The OFF
Position

Ignitor Button

Control Knob

Summary of Contents for Vanguard VN10TA

Page 1: ...byaqualifiedinstaller serviceagency orthe gas supplier WARNING Improper instal lation adjustment alteration service or maintenance can causeinjuryorpropertydam age Refer to this manual for correct installation and op erationalprocedures Foras sistance or additional infor mationconsultaqualifiedin staller serviceagency orthe gas supplier WARNING This is an unvented gas fired heater It uses air oxyg...

Page 2: ...ht safety system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation pages 4 through 6 5 Keep all air openings in front and bot tom of heater clear and free of debris This will insure enough air for proper combustion 6 If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced 7 Do not r...

Page 3: ...ter 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 with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heate...

Page 4: ... 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 AirforCombustionandVentilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 4 throug...

Page 5: ...r Do not include 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 _____________ Btu Hr maximum the space can support _____________ Btu Hr actual amount of Btu Hr used Example 46 100 Btu Hr maximum the space can support 50 000 Btu Hr actual amount of Btu Hr...

Page 6: ...djoiningunconfinedspace The combined spaces must have enough fresh air to supply all appliances in both spaces Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two per manent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors orspacesopentotheoutdoors Thesespaces include attics...

Page 7: ...fromfloor ceiling andjoin ing wall CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches above floor locate heater where moving vehicle will not hit it IMPORTANT Vent freeheatersaddmois ture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Com ...

Page 8: ...Method For attaching mounting screw to wall stud 1 Drill hole at marked location using 9 64 drill bit 2 Insert mounting screw into wall stud 3 Tighten screw until 1 16 space thick ness of penny is between screwhead and wall Attaching To Wall Anchor Method Follow instructions below to attach mount ing screws to hollow walls wall areas be tween studs or solid walls concrete or masonry 1 Drill holes ...

Page 9: ...ning Locate sedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly IMPORTANT Hold pressure regulator with wrench when connecting it to gas pip ing and or fittings IMPORTANT Check gas line pressure before connecting ...

Page 10: ...oropeningmaingas valve located on or near gas meter 3 Check all joints from gas meter to equipment shutoff valve see Figure 14 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once CHECKING GAS CONNECTIONS WARNING Test all gas pip ing and connections for leaks after installing or servicing Cor rect all leaks at once WARNING Neveruseanopen flam...

Page 11: ...perature Selecting a higher setting will cause the heater to run longer producing greater heat output At lower settings the heater will run less Note The thermostat sensing bulb mea sures the temperature of air near the heatercabinet Thismaynotalwaysagree with room temperature depending on housing construction installation loca tion room size open air temperatures etc Frequent use of your heater w...

Page 12: ...e 17 Correct Pilot Flame Pattern BURNER FLAME PATTERN Figure 19 shows a correct burner flame pattern Figure20showsanincorrectburner flame pattern Ifburnerflamepatternisincorrect asshown in Figure 20 turn heater off see To Turn Off Gas to Appliance page 11 see Troubleshooting pages 13 through 15 CABINET Air Passageways Use a vacuum cleaner or pressurized air to clean Exterior Use a soft cloth dampe...

Page 13: ... 6 Replace piezo ignitor 7 Replace 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 removed 5 Clean ODS pilot see Cleaning and Maintenance page 12 or replace ODS pilot assembly 6 Replace gas regulator 1 Press in control knob f...

Page 14: ...d Maintenance page 12 or replace burner orifice s 2 Contact local natural gas company 3 Replace burner 4 Replace gas regulator 1 Plaque damaged 2 Inlet gas pressure is too low 3 Control knob set too low 1 Residues from manufacturing processes 1 Metal expanding while heating or contracting while cooling 1 When heated vapors from furniture polish wax carpet cleaners etc turn into a white powder resi...

Page 15: ...onwindows POSSIBLE CAUSE 1 Heater burning vapors from paint hair spray glues etc See IMPORTANT statement above 2 Gas leak See Warning statement at top of page 1 Not enough fresh air is available 2 Low line pressure 3 ODS pilot is partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak See Warning state...

Page 16: ...16 104086 NATURAL GAS HEATER 12 A B 16 7 8 4 6 5 3 2 1 11 14 13 19 18 6 17 15 16 10 9 7 1 ODS PILOT 7 2 ILLUSTRATED PARTS LIST VN10TA ...

Page 17: ...823 37 Screw Hex 8 x 1 4 10 7 503329 ODS Pilot Assembly 1 7 1 098514 01 Thermocouple 1 7 2 098594 01 Ignitor Electrode 1 8 099884 03 Burner Assembly 1 9 099056 24 Injector 1 10 104087 01 Tubing Burner 1 11 099387 11 Pilot Tubing Valve to pilot 1 12 M11084 26 Screw 10 x 3 8 2 13 104084 01 Tubing Inlet 1 14 098522 16 Control Valve 1 15 097159 04 Piezo Ignitor 1 16 098271 03 Ignitor Cable 1 17 102571...

Page 18: ...ey cannot sup ply original replacement part s call DESA International s Technical Service Depart ment at 1 800 323 5190 for information When contacting your dealer or DESA In ternational have ready your name your address model and serial numbers of your heater how heater was malfunctioning typeofgasused propane LPornaturalgas purchase date Usually we will ask you to return the defec tive part to t...

Page 19: ...____________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ___________________________________________________________________________________________...

Page 20: ...he heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty 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 caused by improper installation Travel diagnostic cost labo...

Reviews: