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VENT-FREE PROPANE/LP GAS
COMPACT CLASSIC HEARTH
OWNER'S OPERATION AND INSTALLATION MANUAL
VMH10TPA
10,000 Btu/Hr with
Thermostat
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
instructions.
•
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.
This appliance may be installed in an aftermarket*, permanently located, manufactured (mobile)
home, where not prohibited by local codes.
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.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
Save this manual for future reference.
®
®
FIREPLACE
Shown with Optional
Cabinet Mantel/Hearth
Base Accessory
WARNING: Improper installa-
tion, adjustment, alteration, ser-
vice, or maintenance can cause
injury or property damage. Re-
fer to this manual for correct
installation and operational pro-
cedures. For assistance or ad-
ditional information consult a
qualified installer, 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 on page 5 of this manual.
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Table of Contents
Related Manuals for Desa Vanguard VMH10TPA
Summary of Contents for Desa Vanguard VMH10TPA
- Page 1 VENT-FREE PROPANE/LP GAS COMPACT CLASSIC HEARTH OWNER’S OPERATION AND INSTALLATION MANUAL VMH10TPA 10,000 Btu/Hr with Thermostat 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.
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Page 2: Safety Information
2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/ LP supply tank(s) outdoors. VMH10TPA 3. If you smell gas • shut off gas supply • do not try to light any appliance • do not touch any electrical switch; do not use any phone in your building •... -
Page 3: Product Identification
PRODUCT IDENTIFICATION Fireplace Cabinet Ignitor Button Figure 1 - Vent-Free Propane/LP Gas Compact Fireplace LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANS Z223.1, also known as NFPA 54*. - Page 4 WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this fireplace may result in prop- erty damage or personal injury. VMH10TPA Screen Shipping Back Log Screw Screw Screen...
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Page 5: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ven- tilation air. Read the following in- structions to insure proper fresh air for this and other fuel-burning appliances in your home. - Page 6 National Fuel Gas Code, ANS Z223.1, 1992, Section 5.3 or applicable local codes. VMH10TPA Example: Gas water heater...
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Page 7: Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two permanent openings: one within 12" of the ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 4). -
Page 8: Check Gas Type
• pipe wrench * An A.G.A. design-certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Pur- VMH10TPA chase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 27. Note: If desired, purchase a four-sided brass trim kit for built-in installations. -
Page 9: Built-In Fireplace Installation
INSTALLATION Continued CEILING 36" Minimum Top Of Mantel Can Be Flush With Wall Right Side Left Side Figure 7 - Mounting Clearances As Viewed From Front of Fireplace Shown with Op- tional Mantel BUILT-IN FIREPLACE INSTALLATION Built-in installation of this fireplace involves installing fireplace into a framed-in enclo- sure. -
Page 10: Optional Mantel Installation
Side of Firebox Figure 11 - Minimum Mantel Clearances for Built-In Installation VMH10TPA OPTIONAL MANTEL INSTALLATION Note: Refer to instructions provided with the mantel for assembly instructions. Refer to instructions below for system installa- tion. Refer to instructions on page 4 for firebox assembly. - Page 11 INSTALLATION Continued Assembling Brass Trim (Brass trim shipped with mantel) 1. Remove packaging from three remain- ing pieces of brass trim. 2. Locate two adjusting plates with set screws, and two shims in the hard- ware packet. 3. Align shim under adjusting plate as shown in Figure 14.
- Page 12 Plate Valve Cover Shield Box Cover Figure 17 - Installing Blower Bracket Assembly VMH10TPA 6. Route the wire harness through the hole in left side of baffle. Pull wire harness through lower opening above where the valve shield was removed.
- Page 13 INSTALLATION Continued For Built-In Installation WARNING: A licensed elec- trician must connect the wiring harness to electrical supply fol- lowing all local codes. Electri- cian must provide a clamp on the box cover to secure the wir- ing. Wiring should be routed through the bushing in the hole on the outer casing of heater.
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Page 14: Connecting To Gas Supply
Install external regu- lator with the vent pointing down as shown in Figure 22. Pointing the vent down pro- tects it from freezing rain or sleet. VMH10TPA CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. -
Page 15: Connecting Fireplace To Gas Supply
INSTALLATION Continued CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed • Phillips screwdriver • sealant (resistant to propane/LP gas, not provided) 1. Remove fireplace screen. Remove two screws that hold fireplace screen in place for shipping. These screws are located near top of screen. Discard screws. -
Page 16: Checking Gas Connections
5. Correct all leaks at once. 6. Reconnect fireplace and manual shutoff valve to gas supply. Check reconnected fittings for leaks. VMH10TPA Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Fig- ure 26). -
Page 17: Operating Fireplace
OPERATING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. - Page 18 Frequent use of your fire- place will let you determine your own comfort levels. VMH10TPA MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 5 under Light- ing Instructions, page 17.
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Page 19: Inspecting Burner
INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 31 shows a correct pilot flame pat- tern. Figure 32 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. -
Page 20: Troubleshooting
® VENT-FREE PROPANE/LP GAS COMPACT FIREPLACE TROUBLESHOOTING Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no... - Page 21 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Slight smoke or odor during initial operation Fireplace produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture 104407 POSSIBLE CAUSE...
- Page 22 Fireplace shuts off in use (ODS operates) Gas odor even when control knob is in OFF position Gas odor during combustion Moisture/condensation noticed on windows VMH10TPA POSSIBLE CAUSE 1. Metal expanding while heating or con- tracting while cooling 1. Fireplace burning vapors from paint, hair spray, glues, etc.
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Page 23: Cleaning And Maintenance
If so, contact your local propane/LP gas supplier. TECHNICAL SERVICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-323-5190. You can also visit DESA International’s technical services www.desatech.com. -
Page 24: Illustrated Parts Breakdown
® VENT-FREE PROPANE/LP GAS COMPACT FIREPLACE ILLUSTRATED PARTS BREAKDOWN VMH10TPA 12-1 12-2 VMH10TPA 12-1 104407... -
Page 25: Parts List
PARTS LIST VMH10TPA This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. 104407 VMH10TPA PART NO. DESCRIPTION 102633-02CK Outer Casing Top 102624-02 Outer Casing... -
Page 26: Specifications
If they can’t supply original replacement part(s) call DESA International’s Technical 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 fireplace • how fireplace was malfunctioning •... - Page 27 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they cannot supply these accessories call DESA International’s Sales Department at 1-800-458-2472 for referral information. You can also write to the ad- dress listed on the back page of this manual.
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Page 28: Warranty Information
VENT-FREE PROPANE/LP GAS COMPACT CLASSIC HEARTH DESA International warrants this product to be free from defects in materials and components for four (4) years and five (5) years on stainless steel burners from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.