FMI COMPACT HEAT MAJIC FMH26TN Owner's Operation And Installation Manual

Vent-free natural gas fireplace system
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COMPACT HEAT MAJIC™
VENT-FREE NATURAL GAS FIREPLACE SYSTEM
OWNER'S OPERATION AND INSTALLATION MANUAL
FMH26TN
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.
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.

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Summary of Contents for FMI COMPACT HEAT MAJIC FMH26TN

  • Page 1 COMPACT HEAT MAJIC™ VENT-FREE NATURAL GAS FIREPLACE SYSTEM OWNER’S OPERATION AND INSTALLATION MANUAL FMH26TN 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

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM SAFETY INFORMATION WARNINGS WARNING ICON G 001 IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this fireplace. Im- proper use of this fireplace can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.
  • Page 3: Product Identification

    SAFETY INFORMATION Continued 14. Turn off and unplug fireplace and let cool before servicing. Only a qualified service person should service and re- pair fireplace. 15. Operating fireplace above elevations of 4,500 feet could cause pilot outage. 16. Do not operate fireplace if any log is broken.
  • Page 4 NATURAL GAS VENT-FREE FIREPLACE SYSTEM ASSEMBLY WARNING: Always have branch support and screen in place before operating fireplace. This prevents excessive tempera- tures on fireplace surfaces. 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...
  • 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 NATURAL GAS VENT-FREE FIREPLACE SYSTEM AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR FIREPLACE LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
  • Page 7 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 5).
  • Page 8: Check Gas Type

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater.
  • Page 9: Built-In Fireplace Installation

    INSTALLATION Continued For convenience and efficiency, install fireplace • where there is easy access for operation, inspection, and service. • in coldest part of room. An optional blower kit is available from your dealer. See Accessories, page 26. If planning to use blower, locate fireplace near an electrical outlet.
  • Page 10: Optional Mantel Installation

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM INSTALLATION Continued Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. NOTICE: Surface temperatures of adjacent walls and mantels be- come hot during operation.
  • 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 15.
  • Page 12 NATURAL GAS VENT-FREE FIREPLACE SYSTEM INSTALLATION Continued 4. Carefully disconnect green and white wires at their insulated connectors. 5. In top of the heater cabinet, locate the four mounting holes on the outer cas- ing. Align these four holes with those on the blower bracket assembly.
  • 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

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM INSTALLATION Continued Extension Cord Use extension cord if needed. The cord must have a three-prong, grounding plug and a three-hole receptacle. Make sure cord is in good shape. It must be heavy enough to carry the current needed.
  • Page 15: Heater Control

    INSTALLATION Continued CONNECTING EQUIPMENT SHUTOFF VALVE TO HEATER CONTROL 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.
  • Page 16: Checking Gas Connections

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a noncorrosive leak detection fluid to all joints.
  • 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: Inspecting Burner

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM OPERATING FIREPLACE Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Fireplace 1. Turn control knob clockwise to the OFF position. 2. Turn off all electric power to the ap- pliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) Turn control knob clockwise...
  • Page 19: Burner Flame Pattern

    INSPECTING BURNER Continued BURNER FLAME PATTERN Figure 33 shows a correct burner flame pattern. Figure 34 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows sporadic, irregular flame tip- ping. The flame should not be dark or have an orange/reddish tinge.
  • Page 20: Troubleshooting

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM 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 When ignitor button is pressed, there is spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when...
  • 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 107105...
  • Page 22 NATURAL GAS VENT-FREE FIREPLACE SYSTEM TROUBLESHOOTING Continued WARNING: 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 23: Specifications

    SPECIFICATIONS Btu (Variable) Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure (in. of water) * Maximum Minimum Dimensions, Inches (H x W x D) Fireplace (including hood and screws) Carton Weight, pounds Fireplace Shipping * For purposes of input adjustment SERVICE HINTS When Gas Pressure Is Too Low •...
  • Page 24: Illustrated Parts Breakdown

    NATURAL GAS VENT-FREE FIREPLACE SYSTEM ILLUSTRATED PARTS BREAKDOWN FMH26TN 107105...
  • Page 25: Parts List

    PARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 23 of this manual. FMH26TN KEY NO. ** Part not available for field replacement. 107105 PART NO.
  • Page 26 NATURAL GAS VENT-FREE FIREPLACE SYSTEM ACCESSORIES Purchase these fireplace accessories from your local dealer. If they cannot supply these accessories call DESA International’s Sales Department at 1-866-672-6040 for referral information. You can also write to the ad- dress listed on the back page of this manual. EQUIPMENT SHUTOFF VALVE - GA5010 For all models.
  • Page 27 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 107105...
  • Page 28: Warranty Information

    WARRANTY INFORMATION Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied. VENT-FREE NATURAL GAS COMPACT HEAT MAJIC™...

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