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L
I
P
F
F
O
HI
LO
UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE
OWNER’S OPERATION AND INSTALLATION MANUAL
Multi-Sided
Log Design
FVFM27PR
®
(Millivolt) Remote
Control Ready Model
Patent Pending
WARNING: Improper installation, ad-
WARNING: If the information in this
justment, alteration, service, or main-
manual is not followed exactly, a fire or
tenance can cause injury or property
explosion may result causing property
damage. Refer to this
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER 4. If you smell gas heater off. If heated, the vapors from SAFETY • shut off gas supply these products may create a white pow- • do not try to light any appliance der residue within burner box or on INFORMATION • do not touch any electrical switch; do adjacent walls or furniture. not use any phone in your building 14. Do not use a blower insert, heat ex- WARNINGS WARNING ICON G 001 • immediately call your gas supplier chang
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HI TEMP MAN LO ON AUTO OFF STATUS OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES OPERATION This heater is clean burning. It requires no outside venting. There is no heat loss out a vent Log Set or up a chimney. Heat is generated by realistic, dancing yellow flames. This heater is de- signed for vent-free operation with flue damper closed. It has been tested and approved to ANS Z21.11.2 standards for unvented heat- ers. State and local codes in some areas pro- hibit the use of vent-free h
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code (ANS Z223.1, COMBUSTION AND 1992 Section 5.3) defines a confined space The following are excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- 3 cubic feet per 1,000 Btu per hour (4.8 m per tion 5.3, Air for Combustion and Ventilation. WARNING: This heater shall kw) of
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _____________ cu. ft
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER AIR FOR COMBUSTION AND 12" VENTILATION Continued Ventilation VENTILATION AIR Ventilation Grills Grills Ventilation Air From Inside Into Adjoining Room, Into Adjoining Or Option 2 Building Room, Remove Option 1 This fresh air would come from an adjoining Door into unconfined space. When ventilating to an Adjoining adjoining unconfined space, you must pro- Room, vide two permanent openings: one within Option 12" of the ceil
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OWNER’S MANUAL INSTALLATION AND INSTALLATION WARNING: Never install the CLEARANCES heater NOTICE: This heater is intended (Vent-Free Operation Only) • in a bedroom or bathroom un- for use as supplemental heat. Use less installed as a vented ap- this heater along with your pri- pliance, see page 10 WARNING: Maintain the mini- mary heating system. Do not in- • in a recreational vehicle mum clearances. If you can, pro- stall this heater as your primary • where curtains, furniture, vide greater cle
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER If Using Mantel accessory. Even if noncombustible material INSTALLATION is more than 12", you may need the hood You must have noncombustible material(s) Continued accessory to deflect heat away from your above the fireplace opening. Noncombus- mantel shelf. See Figure 5 this page and tible materials (such as slate, marble, tile, NOTICE: Manual control heaters Figures 6 and 7, page 9, for minimum etc.) must be at least 1/2 i
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OWNER’S MANUAL Mantel Shelf INSTALLATION 10" Underside of 8" Continued Mantel Shelf 6" MANTEL CLEARANCES 1 2 /2" In addition to meeting noncombustible ma- terial clearances, you must also meet re- All minimum quired clearances between fireplace open- distances are ings and mantel shelf on each side of the in inches fireplace. If you do not meet the clearances Minimum Non- (A) Combustible listed below, you will need a hood. Material Determining Minimum Mantel 12" 18" 20" 22" 24" Clearance If y
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER Damper Clamp INSTALLATION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR Damper Damper VENTED OPERATION Clamp Damper Note: When used as a vented heater, appli- Damper ance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. If your heater is a manually controlled model, you may use this heater as a vented product. Masonry Fireplace Manufactured Fireplace T
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L I P F F O L O OWNER’S MANUAL Installation Items Needed INSTALLATION CAUTION: Use pipe joint seal- Before installing heater, make sure you have Continued ant that is resistant to liquid pe- the items listed below. troleum (LP) gas. 10. Attach base assembly to fireplace floor • external regulator (supplied by installer, using two masonry screws (in hardware Install sediment trap in supply line as shown see above) package). in Figure 14. Locate sediment trap where it • piping (check local codes)
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER Test Pressures Equal To or Less Than Pressure Testing Heater Gas INSTALLATION 1/2 PSIG Connections Continued 1. Close manual shutoff valve (see Fig- 1. Open manual shutoff valve (see Fig- ure 15). ure 15). CHECKING GAS 2. Pressurize supply piping system by ei- 2. Open propane/LP supply tank valve. CONNECTIONS ther using compressed air or opening 3. Make sure control knob of heater is in propane/LP supply tank valve. the OFF
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L L L I I I P P P F F F F F F O O O L L L O O O OWNER’S MANUAL Bottom Log (#1) INSTALLATION Continued Top Log (#2) INSTALLING LOGS Peg WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use Burner only parts specifically approved Port with this heater may result in prop- erty damage or personal injury. CAUTION: After installation Grate and periodically thereafter, check to ensure that no flame comes in Burner Chassis contact with any log. With the heater s
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O L I P F F O H I L FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER LIGHTING OPERATING WARNING: Burners will come INSTRUCTIONS on automatically within one HEATER minute when the selector switch FOR YOUR SAFETY WARNING: is in the ON position after the READ BEFORE • If fireplace has glass doors, pilot is lit. never operate this heater with LIGHTING 4. Press in and turn control knob clock- glass doors closed. If you op- wise to the OFF position. erate heater with doors c
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OWNER’S MANUAL For wall thermostat operation, follow TO TURN OFF GAS TO OPERATING instructions supplied with thermostat APPLIANCE HEATER accessory FWMT1. For wall switch op- Shutting Off Heater eration follow instruction supplied with Continued FWMS2. 1. Turn control knob clockwise 8. Keep control knob pressed in for 30 to the OFF position. NOTICE: You must light the pilot seconds after lighting pilot. After 30 2a. Set selector switch in the OFF position. before using the hand-held re- seconds
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N O T O H L I I L FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER 3. Use the STATUS button on the hand- OPERATING INSPECTING held remote control unit to see the operation mode being used and the HEATER BURNERS temperature setting selected. A red Continued Check pilot flame pattern and burner flame light will come on beside the opera- patterns often. tion mode being used when the sta- IMPORTANT: This remote control tus button is pressed. has been specially engineered to ta
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. needle, or similar object to clean Note: For additional help, visit DESA ODS/pilot. This can damage ODS/ Only a qualified service person International’s Technical Service web should service and repair pilot unit. site at www.desatech.com. heater. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed,
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice clogged 1. Clean burner (see Cleaning and Main- tenance, page 20) or replace burner orifice 2. Inlet gas pressure is too low 2. Contact local propane/LP gas company 3. Burner orifice diameter is too small 3. Replace burner orifice 4. Thermopile leads disconnected or im- 4. Reconnect leads (see Wirin
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OWNER’S MANUAL 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. • 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. IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette
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FIREPLACE MANUFACTURERS INCORPORATED UNVENTED PROPANE/LP GAS LOG HEATER 5. Blow air into the primary air holes on MAIN BURNER CLEANING AND the injector holder. Periodically inspect all burner flame holes MAINTENANCE 6. In case any large clumps of dust have with the heater running. All slotted burner now been pushed into the burner repeat flame holes should be open with yellow WARNING: Turn off heater steps 3 and 4. flame present. All round burner flame holes and let cool before cleaning. Clean
