Vanguard VMH3000TPA Owner'S Operation And Installation Manual Download Page 13

13

107098

OWNER’S MANUAL

For more information, visit www.desatech.com

ON

POSITION

OFF

POSITION

CHECKING GAS
CONNECTIONS

Pressure Testing Gas Supply
Piping System

Test Pressures In Excess Of 1/2 PSIG
(3.5 kPa)

1.

Disconnect appliance with its appliance
main gas valve (control valve) and equip-
ment shutoff valve from gas supply pip-
ing system. Pressures in excess of 1/2 psig
will damage heater regulator.

2.

Cap off open end of gas pipe where
equipment shutoff valve was connected.

3.

Pressurize supply piping system by ei-
ther using compressed air or  opening
propane/LP supply tank valve.

4.

Check all joints of gas supply piping
system. Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.

5.

Correct all leaks at once.

6.

Reconnect fireplace and equipment
shutoff valve to gas supply. Check re-
connected fittings for leaks.

Test Pressures Equal To or Less Than
1/2 PSIG (3.5 kPa)

1.

Close equipment shutoff valve (see Fig-
ure 20).

2.

Pressurize supply piping system by ei-
ther using compressed air or opening
propane/LP supply tank valve.

3.

Check all joints from propane/LP sup-
ply tank to equipment shutoff 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

Equipment
Shutoff
Valve

Propane/LP
Supply Tank

Thermostat Gas
Valve Location

Figure 20 - Equipment Shutoff Valve

Pressure Testing Heater Gas
Connections

1.

Open equipment shutoff valve (see Fig-
ure 20).

2.

Open propane/LP supply tank valve.

3.

Make sure control knob of heater is in
the OFF position.

4.

Check all joints from equipment shutoff
valve to thermostat gas valve (see Fig-
ure 21). Apply mixture of liquid soap
and water to gas joints. Bubbles form-
ing show a leak.

5.

Correct all leaks at once.

6.

Light heater (see Operating Heater,
pages 14 and 15). Check all other in-
ternal joints for leaks.

7.

Turn off heater (see To Turn Off Gas to
Appliance
, page 14).

8.

Replace front panel.

 CAUTION: Make sure exter-

nal regulator has been installed
between propane/LP supply and
heater. See guidelines under 

Con-

necting to Gas Supply, page 12.

 WARNING: Never use an open

flame to check for a leak. Apply a
mixture of liquid soap and water
to all joints. Bubbles forming show
a leak. Correct all leaks at once.

 WARNING: Test all gas pip-

ing and connections for leaks
after installing or servicing. Cor-
rect all leaks at once.

INSTALLATION

Continued

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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