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UNVENTED (VENT-FREE) GAS
LOG HEATER
OWNER’S OPERATION AND
INSTALLATION MANUAL
PFS
®
US
Patent Pending
®
FLAME-MAX Multi-Sided Log Design
FVFM27NR, FVFM27PR, VYM27NR AND VYM27PR
Remote Control Ready Models
Also Design-Certified As A Vented Decorative Appliance
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the
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TAbLE OF CONTENTS Safety .................................................................. 2 Cleaning and Maintenance ................................ 23 Product Identification ........................................... 5 Wiring Diagram .................................................. 24 Local Codes......................................................... 5 Troubleshooting ................................................. 24 Unpacking..........................................................
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SAFETY Continued Do not place clothing or other DANGER: Carbon monoxide flammable material on or near poisoning may lead to death! the appliance. Never place any Carbon Monoxide Poisoning: Early signs objects on the heater. of carbon monoxide poisoning resemble the flu, with headaches, dizziness, or nausea. Heater base assembly becomes If you have these signs, the heater may not very hot when running heater. be working properly. Get fresh air at once! Keep children and adults away Ha
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SAFETY Continued 4. If you smell gas 12. This heater needs fresh, outside air ven- tilation to run properly. This heater has an • shut off gas supply oxygen depletion sensing (ODS) pilot light • do not try to light any appliance safety system. The ODS shuts down the • do not touch any electrical switch; do not heater if not enough fresh air is available. use any phone in your building See Air for Combustion and Ventilation, • immediately call your gas supplier from page 6. If heater keeps
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PRODUCT IDENTIFICATION UNPACING k Piezo Log Set Ignitor CAUTION: Do not remove the data plates from the grate assem- bly. The data plates contain impor- tant product information warranty Optional and safety information. Remote 1. Remove logs and heater base assembly Control from carton. Note: Do not pick up heater base assembly by the burner. This could damage heater. Always handle base as- Optional Base Selector Flame sembly by grate. Assembly Control Switch Adjustment 2. Remove all
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REMOTE CONTROL ACCESSORIES There are 4 optional controls that can be pur- See Accessories, page 29. chased separately for this log heater: Note: The wall thermostat or hand-held • wall switch thermostat may not be used where vented decorative listing is required. • wall thermostat • hand-held ON/OFF remote • hand-held thermostat remote AIR FOR COMb USTION AND VENTILATION you classify your space and provide adequate WARNING: This heater shall ventilation. not be installed in a room or space
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AIR FOR COMb USTION AND VENTILATION Continued Example: 51,200 Btu/Hr (maximum the DETERMINING FRESH-AIR FLOW space can support) FOR HEATER LOCATION 73,000 Btu/Hr (actual amount of Btu/Hr Determining if You Have a Confined or used) Unconfined Space The space in this example is a confined space Use this work sheet to determine if you have because the actual Btu/Hr used is more than the a confined or unconfined space. maximum Btu/Hr the space can support. You must provide additional fresh
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AIR FOR COMb USTION AND VENTILATION Continued items directly to the outdoors or spaces open to the outdoors. These spaces include attics 12" and crawl spaces. Follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, Air for Ventilation Grills Into Ventilation Grills Combustion and Ventilation for required size Into Adjoining Room, Adjoining Or of ventilation grills or ducts. Option 2 Room, Remove Option 1 Door into IMPORTANT: Do not provide openings for Adjoining inlet or outlet air into
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INSTALLATION Continued INSTALLATION AND CLEARANCES WARNING: Never install the (Vent-Free Operation Only) heater WARNING: Maintain the • in a bedroom or bathroom minimum clearances. If you unless installed as a vented can, provide greater clearances appliance, see page 12 from floor, ceiling, and adjoin- • in a recreational vehicle ing wall. • where curtains, furniture, cloth- ing, or other flammable objects MINIMUM FIREpLACE CLEARANCE are less than 42" from the front, TO COMBUSTIBLE M
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INSTALLATION Continued at least 8" up. If noncombustible material is NOTICE: Manual control heaters less than 12", you must install the fireplace may be used as a vented product. hood accessory. Even if noncombustible If so, you must always run heater material is more than 12", you may need the with chimney flue damper open. hood accessory to deflect heat away from your mantel shelf. See Figure 5 and Figures 6 If running heater with damper and 7, page 11, for minimum clearances. open,
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INSTALLATION Continued Mantel Shelf 10" Underside 8" of Mantel 6" Shelf 1 2 /2" All Minimum minimum Noncombustible distances Material are in (A) inches 12" 18" 20" 22" 24" Top of Fireplace Minimum Distances to Opening Noncombustible Underside of Material Height Mantel Figure 6 - Minimum Mantel Clearances Without Using Hood Mantel Shelf 12" 10" Underside 8" of Mantel Shelf 6" 2½" Minimum Noncombustible Material 8" 12" 15" 18" 20" Min. Top of Hood Fireplace Distances to (GA6050 or Openi
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INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible mate- rial clearances, you must also meet required clearances between fireplace openings and Combustible mantel shelf on each side of the fireplace. If Material 14" you do not meet the clearances listed below, Min. you will need a hood. Determining Minimum Mantel Clearance Noncombustible Material If you meet minimum clearance between man- Figure 8 - Minimum Fireplace Clearances tel shelf and top of fireplace o
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INSTALLATION Continued See chart below for minimum permanent flue opening you must provide. Attach damper WARNING: If installing in a clamp so the minimum permanent flue open- sunken fireplace, special care ing will be maintained at all times. is needed. You must raise the fireplace floor to allow access to Chimney Height Minimum permanent Flue Opening heater control panel. This will in- sure adequate air flow and guard 6' to 15' 39 sq. inches 15' to 30' 29 sq. inches against sooting and
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INSTALLATION Continued 3. Place heater base in fireplace. 4. Place logs in their proper position on heater WARNING: Never connect base. See Installing Logs, page 17. natural gas heater to private 5. Center heater base and logs front-to-back (non-utility) gas wells. This and side-to-side in fireplace. gas is commonly known as 6. Carefully remove logs without moving wellhead gas. heater base. Installation Items Needed 7. Mark screw locations through one hole on Before installing heater, ma
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INSTALLATION Continued CAUTION: Use only new, WARNING: Use pipe joint black iron or steel pipe. Inter- sealant that is resistant to liquid nally-tinned copper tubing may petroleum (LP) gas. be used in certain areas. Check We recommend that you install sediment trap your local codes. Use pipe of in supply line as shown in Figure 14. Locate 1/2" diameter or greater to allow sediment trap where it is within reach for proper gas volume to heater. If cleaning. Install in piping system betw
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INSTALLATION Continued pRESSURE TESTING GAS SUL pp Y Equipment Shutoff Valve pIpING SYSTEM Test pressures In Excess Of 1/2 pSIG Gas Meter (14" W.C.) 1. Disconnect appliance with its appliance main gas valve (control valve) and equip- ment shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage heater regulator. 2. Cap off open end of gas pipe where equip- Control Valve ment shutoff valve was connected. Location 3. Pressurize supply piping system by either Fi
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INSTALLATION Continued as illustrated in figure 20. INSTALLING LOGS 4. Make sure open areas of logs line up with burner ports (see figure 21). Logs WARNING: Failure to position will fit securely on chassis. IMPORTANT: the parts in accordance with these Make sure log does not cover any burner diagrams or failure to use only ports. parts specifically approved with Center Insert this heater may result in property Log (#3) damage or personal injury. Peg CAUTION: After installa- tion and
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OPERATION FOR YOUR SAFETY LIGHTING READ BEFORE LIGHTING INSTRUCTIONS WARNING: If you do not fol- WARNING: low these instructions exactly, • If fireplace has glass doors, a fire or explosion may result never operate this heater with causing property damage, per- glass doors closed. If you op- sonal injury or loss of life. erate heater with doors closed, heat buildup inside fireplace A. This appliance has a pilot which must will cause glass to burst. Make be lighted by hand. When lighting
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O L I P F F O H I L OPERATION Continued 5. Wait five (5) minutes to clear out any gas. 10. Wait one minute and switch selector Then smell for gas, including near the switch to the ON position to light burner. floor. If you smell gas, STOP! Follow “B” Note: AUTO is only functional when using in the safety information, page 18. If you GWMT1, or GWMS2 optional accesso- don’t smell gas, go to the next step. ries. 6. Press in and turn control knob counter- 11. Set flame adjustment knob t
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N O T O H I L L OPERATION Continued Piezo TO TURN OFF GAS Flame Control Knob Ignitor Adjustment Knob in On Position TO AppLIANCE 1. Turn control knob clockwise to the OFF position. ON OFF REMOTE 2a. Set selector switch in the OFF position. 2b. If Using Optional Hand-Held Remote: Set selector switch in the OFF position to Selector Switch in Remote Position prevent draining battery. (Optional Hand-Held Remote Control) 3. Close equipment shutoff valve (see Figu
