Desa Vanguard VMH26TNA Owner's Operation And Installation Manual

Desa Vanguard VMH26TNA Owner's Operation And Installation Manual

Desa owner's operation and installation manual vent-free natural gas compact classic hearth fireplace vmh26tna

Advertisement

Quick Links

VENT-FREE NATURAL GAS
COMPACT CLASSIC HEARTH
OWNER'S OPERATION AND INSTALLATION MANUAL
VMH26TNA
14,000 to 26,000 Btu/Hr
with Thermostat
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal 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 per-
formed 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
(oxygen) from the room in
which it is installed. Provisions
for adequate combustion and
ventilation air must be pro-
vided. Refer to Air for Combus-
tion and Ventilation section on
page 5 of this manual.

Advertisement

Table of Contents
loading

Summary of Contents for Desa Vanguard VMH26TNA

  • Page 1 VENT-FREE NATURAL GAS COMPACT CLASSIC HEARTH OWNER’S OPERATION AND INSTALLATION MANUAL VMH26TNA 14,000 to 26,000 Btu/Hr with Thermostat WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, per- sonal injury, or loss of life.
  • Page 2: Safety Information

    1. 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. VMH26TNA 2. If you smell gas • shut off gas supply • do not try to light any appliance •...
  • Page 3: Product Identification

    PRODUCT IDENTIFICATION Fireplace Cabinet Ignitor Button Figure 1 - Vent-Free Natural 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 Figure 2). Do not allow branch to con- tact flame. If flame contacts branch, soot will be created. 7. Reattach screen by placing the notches in the screen frame over the shoulder screws and pushing down. VMH26TNA Screen Shipping Back Log Screw Screw...
  • 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. VMH26TNA Example: Gas water heater...
  • 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

    See Air for Combustion and Ventilation, pages 5 through 7. VMH26TNA Note: Your Vanguard fireplace is designed to be used in zero clearance installations. Wall or framing material can be placed...
  • Page 9: Built-In Fireplace Installation

    INSTALLATION Continued BUILT-IN FIREPLACE INSTALLATION Built-in installation of this fireplace involves installing fireplace into a framed-in enclo- sure. This makes the front of fireplace flush with wall. An optional brass trim kit acces- sory is available (see Accessories, page 27). Brass trim will extend past sides of fireplace approximately 1/2 inch.
  • Page 10: Optional Mantel Installation

    Side of Firebox Figure 11 - Minimum Mantel Clearances for Built-In Installation VMH26TNA 5. Firmly snap brass trim kit on shoulder screws. Shoulder screws are located on fireplace cabinet (see Figure 12). 6. Align brass trim kit for flush fit around opening.
  • 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 hardware 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 VMH26TNA 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.
  • Page 14: Connecting To Gas Supply

    Gas line pressure must be no greater than 14 inches of water. If gas line pressure is higher, fireplace regulator damage could occur. VMH26TNA 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 heater and manual shutoff valve to gas supply. Check reconnected fittings for leaks. VMH26TNA Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Fig- ure 25).
  • 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. VMH26TNA MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 5 under Light- ing Instructions, page 17.
  • Page 19: Inspecting Burner

    INSPECTING BURNER Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 30 shows a correct pilot flame pattern. Figure 31 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. This will cause the thermocouple to cool.
  • Page 20: Troubleshooting

    ® COMPACT CLASSIC HEARTH 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 spark at ODS/pilot...
  • Page 21 TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner 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 104060...
  • 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 VMH26TNA POSSIBLE CAUSE 1. Metal expanding while heating or con- tracting while cooling 1. Fireplace burning vapors from paint, hair spray, glues, etc.
  • Page 23: Cleaning And Maintenance

    CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep con- trol areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fire- place before each use. Have fire- place inspected yearly by a quali- fied service person.
  • Page 24: Illustrated Parts Breakdown

    ® COMPACT CLASSIC HEARTH FIREPLACE ILLUSTRATED PARTS BREAKDOWN VMH26TNA 12-1 12-2 VMH26TNA 35-1 35-2 12-1 104060...
  • Page 25: Parts List

    PARTS LIST VMH26TNA 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. 104060 OWNER’S MANUAL KEY NO. PART NO. DESCRIPTION 102633-02CK Outer Casing Top...
  • Page 26: Specifications

    11 lbs. 48 lbs. 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. REPLACEMENT PARTS Note: Use only original replacement parts.
  • 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.
  • Page 28: Warranty Information

    VENT-FREE NATURAL 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.

Table of Contents