Vanguard VMH2800TNC Owner'S Operation And Installation Manual Download Page 1

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OWNER’S OPERATION AND INSTALLATION MANUAL

VENT-FREE NATURAL GAS

MINI HEARTH

 HEATER

®

14,000 to 28,000 Btu/Hr with Thermostat  “C” Models

VMH2800TNC

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not
prohibited by state or local codes.

*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer. (i.e. Installation of this

product is permitted after the manufactured (mobile) home is sited)

This appliance is only for use with the type of gas indicated on the rating plate.
This appliance is not convertible for use with other gases.

WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing property damage, personal injury, or loss of life.

— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.
• Do not touch any electrical switch; do not use

any phone in your building.

• Immediately call your gas supplier from a

neighbor’s phone. Follow the gas supplier’s in-
structions.

• If you cannot reach your gas supplier, call the

fire department.

— Installation and service must be performed by a
qualified installer, service agency, or the gas supplier.

WARNING: Improper installation,
adjustment, alteration, service,
or maintenance can cause injury
or property damage. Refer to this
manual for correct installation
and operational procedures. For
assistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.

WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air
must be provided. Refer to 

Air for

Combustion and Ventilation sec-
tion in this manual.

®

Shown With Optional Mantel
Which Features a Built In Base

Summary of Contents for VMH2800TNC

Page 1: ...ds in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately cal...

Page 2: ...See Air for Combustion and Ventilation pages 5 through 7 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 run heater wher...

Page 3: ...n fg pd f AS DF KI GL FJ I als kd idk oe m kg o dk irln fg pd fA SD FK IG LF JI als kd idk oe m kg o dk irln fg pd f AS DF KI GL FJ I als kd idk oe m kg o dk irln fg pd fA SD FK IG LF JI als kd idk oe...

Page 4: ...ghten both set screws on the adjusting plate with slotted screwdriver 7 Repeat steps 1 through 6 for other side 8 Place the assembled trim on front of heater cabinet Attach on top and sides with four...

Page 5: ...The air that leaks around doors and win dows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unu...

Page 6: ...lace logs ___________________ Btu Hr Other gas appliances ___________________ Btu Hr Total ___________________ Btu Hr Example Gas water heater 30 000 Btu Hr Vent free heater 28 000 Btu Hr Total 58 000...

Page 7: ...tion for required size of ventilation grills or ducts WARNING Reworkworksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh airtosupplyallappliancesinbo...

Page 8: ...ounted on a wall Youcannotuseoptionalmantelifmounting heater on a wall WARNING Never install the heater in a bedroom or bathroom in a recreational vehicle wherecurtains furniture cloth ing or other fl...

Page 9: ...holes are 16 inches apart from their centers 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 str...

Page 10: ...r from mounting bracket 4 If installing bottom mounting screws into hollow or solid wall install wall anchors Follow steps 1 through 4 un der Attaching To Wall Anchor Method If installing bottom mount...

Page 11: ...4 Using a Phillips screwdriver secure hearth base to heater with four sheet metal screws see Figure 18 5 Stand heater up on base 6 Place hearth insert in hearth base as shown in Figure 19 7 Assemble b...

Page 12: ...s line pressure must be no greater than 14 inches of water If gas line pressure is higher heater regulator damage could occur CAUTION Use only new black iron or steel pipe Inter nally tinned copper tu...

Page 13: ...To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Fig ure 21 2 Pressurize supply piping system by ei ther using compressed air or opening main gas valve located on or near gas meter 3 Check al...

Page 14: ...Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 15 Ignitor Electrode FOR...

Page 15: ...strike match Hold match to pilot until pi lot lights 4 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob 5 Replace front panel GRH OV 009 GOOD PIL...

Page 16: ...ybyaquali fied service person Heater may need more frequent cleaning due to excessive lint from carpeting bedding material etc ODS PILOT AND BURNER Use a vacuum cleaner pressurized air or small soft b...

Page 17: ...ezo ignitor POSSIBLE CAUSE 1 Ignitor electrode positioned wrong 2 Ignitor electrode broken 3 Ignitor electrode not connected to ignitor cable 4 Ignitor cable pinched or wet 5 Piezo ignitor nut is loos...

Page 18: ...s company 3 Observe minimum installation clearances see Figure 10 page 8 4 Clean burner see Cleaning and Maintenance page 16 or replace burner orifice TROUBLE SHOOTING Continued OBSERVED PROBLEM Burne...

Page 19: ...ocal natural gas supplier OBSERVED PROBLEM Heater produces a clicking ticking noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor ev...

Page 20: ...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...

Page 21: ...embly and installation instructions included GS601 Black Surround For locating heater in front of an existing fireplace The sturdy steel construction is accented with decorative brass trim Com plete i...

Page 22: ...22 103506 GAS RESIDENTIAL HEATERS 12 1 12 2 1 2 9 10 10 11 12 13 14 15 16 17 19 20 22 23 24 25 8 6 21 7 18 1 3 5 4 27 26 1 VMH2800TNC...

Page 23: ...or Holder 1 17 099415 07 Pressure Regulator 1 18 099553 01 Pilot Shield 1 19 103255 01 3 8 Outlet Burner Tubing 1 20 103256 01 3 8 Inlet Tubing 1 21 103837 03 Bracket Support 1 22 098275 01 3 8 NPT Pl...

Page 24: ...oper installation 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 ALLOWE...

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