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UNVENTED (VENT-FREE) GAS LOG HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
PFS
®
US
18" AND 24" VARIAbLE MANUALL -C y ONTROLLED
MODELS Vy S18NC, Vy S18PC, Vy S24NC AND Vy S24PC
Also Design-Certified as 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 vicinity of this or any o
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TAbLE OF CONTENTS Safety .................................................................. 2 Troubleshooting ................................................. 21 Product Identification ........................................... 4 Specifications .................................................... 25 Local Codes......................................................... 5 Technical Service............................................... 25 Unpacking.................................................
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SAFETy Continued WARNING: This product con- WARNING: Do not allow fans tains and/or generates chemicals to blow directly into the fireplace. known to the State of California Avoid any drafts that alter burner to cause cancer or birth defects flame patterns. Ceiling fans can or other reproductive harm. create drafts that alter burner flame patterns. Altered burner IMPORTANT: Read this owner’s patterns can cause sooting. manual carefully and completely before trying to assemble, op- Due
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SAFETy Continued 2. Do not place propane/LP supply tank(s) 11. Before using furniture polish, wax, carpet inside any structure. Locate propane/LP cleaner or similar products, turn heater off. If heated, the vapors from these products may supply tank(s) outdoors (propane/LP units only). create a white powder residue within burner box or on adjacent walls or furniture. 3. To prevent performance problems, the 12. This heater needs fresh, outside air ven- use of a propane/LP tank of less than
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LOCAL CODES Install and use heater with care. Follow all State of Massachusetts: The installa- local codes. In the absence of local codes, tion must be made by a licensed plumber use the latest edition of The National Fuel or gas fitter in the Commonwealth of Gas Code ANSI Z223/NFPA 54*. Massachusetts. *Available from: Sellers of unvented propane or natural American National Standards Institute, Inc. gas-fired supplemental room heaters shall 1430 Broadway provide to each purchaser a copy
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AIR FOR COMb USTION AND VENTILATION Continued 3 Exhaust fans, fireplaces, clothes dryers and 1,000 Btu per hour (4.8 m per kw) of the ag- gregate input rating of all appliances installed fuel burning appliances draw air from the in that space and an unconfined space as a house to operate. You must provide adequate space whose volume is not less than 50 cubic fresh air for these appliances. This will insure 3 feet per 1,000 Btu per hour (4.8 m per kw) proper venting of vented fuel-burning
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AIR FOR COMb USTION AND VENTILATION Continued Example: ceiling and one within 12" of the floor on the 40,000 wall connecting the two spaces (see options Gas water heater _________ Btu/Hr 1 and 2, Figure 2). You can also remove door 31,500 Vent-free fireplace + _________ Btu/Hr into adjoining room (see option 3, Figure 2). Total = _________ 71,500 Btu/Hr Follow the National Fuel Gas Code ANSI 4. Compare the maximum Btu/Hr the space Z223.1/NFPA 54, Air for Combustion and can support
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INSTALLATION NOTICE: This heater is intended WARNING: Never install the for use as supplemental heat. heater Use this heater along with your • in a bedroom or bathroom un- primary heating system. Do not less installed as a vented appli- install this heater as your pri- ance (see page 11) mary heat source. If you have a • in a recreational vehicle central heating system, you may • where curtains, furniture, cloth- run system’s circulating blower ing or other flammable objects while usin
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INSTALLATION Continued INSTALLATION AND CLEARANCES NOTICE: Manual control heaters (Vent-Free Operation Only) may be used as a vented product. If so, you must always run heater WARNING: Maintain the with chimney flue damper open. If minimum clearances. If you can, running heater with damper open, provide greater clearances from noncombustible material above fire- floor, ceiling and adjoining wall. place opening is not needed. Go to Minimum Fireplace Clearance to Installing Damper Clam
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INSTALLATION Continued IMPORTANT: If you cannot meet these mini- MANTEL CLEARANCES mum clearances, you must operate heater In addition to meeting noncombustible mate- with chimney flue damper open. Go to Install- rial clearances, you must also meet required ing Damper Clamp Accessory for Vented clearances between fireplace opening and Operation, page 11. mantel shelf. If you do not meet the clearances If Using Mantel listed below, you will need a hood. You must have noncombustible material(
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INSTALLATION Continued If reasons number 1 or 2 apply to you, you FLOOR CLEARANCES must permanently open chimney flue damper. A. If installing appliance on floor level, you You must install the damper clamp accessory must maintain the minimum distance of (to order, see Accessories, page 28). This 14" to combustibles (see Figure 7). will insure vented operation (see Figure 9). B. If combustible materials are less than 14" The damper clamp will keep damper open. to fireplace, you must ins
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INSTALLATION Continued gas hose to gas regulator of heater (see INSTALLING HEATER BASE Figure 10). ASSEMBLY IMPORTANT: Hold gas regulator with wrench when connecting flexible gas hose. CAUTION: Do not remove the 2. Locate masonry screws in hardware data plates attached to the heater package. base assembly. The data plates 3. Position heater base assembly in fireplace. contain important warranty and 4. Place log in proper position on heater base safety information. (see Installing Lo
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INSTALLATION Continued reduce incoming gas pressure to between 11" CONNECTING TO GAS SUPPLY and 14" of water. If you do not reduce incoming gas pressure, heater regulator damage could WARNING: This appliance occur. Install external regulator with vent point- requires a 1/2" NPT (National ing down as shown in Figure 12. Pointing vent Pipe Thread) inlet connection to down protects it from freezing rain or sleet. the pressure regulator. CAUTION: Use only new, black iron or steel pipe. Int
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INSTALLATION Continued We recommend that you install sediment trap in supply line as shown in Figure 13. CAUTION: For propane/LP Locate sediment trap where it is within reach units, make sure external regula- for cleaning. Install in piping system between tor has been installed between fuel supply and heater. Locate sediment trap propane/LP supply and heater. where trapped matter is not likely to freeze. A sediment trap traps moisture and contami- See guidelines under Connecting nants
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INSTALLATION Continued 3. Check all joints from gas meter (natural INSTALLING LOGS gas) or propane/LP supply to equipment shutoff valve (see Figure 15 or 16). Apply WARNING: Failure to position a commercial leak detection solution to all the parts in accordance with these joints. Bubbles forming show a leak. diagrams or failure to use only 4. Correct all leaks at once. parts specifically approved with Propane/LP Equipment Shutoff Valve this heater may result in property Supply Tank d
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INSTALLATION Continued 3. Place rear log on heater base behind the Center metal burner. The bottom of the rear log Crossover has recess areas on the left and right side Log for the base to set into. Pull the rear log forward until it touches the front log (see Figure 17, page 15). 4. Place the left crossover log as shown in Figure 18. The bottom of the log is marked with a “L” for left. Match round peg on left side of top of rear log with round hole in bottom of left crossover. Match
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OPERATION FOR YOUR SAFETY LIGHTING INSTRUCTIONS READ BEFORE LIGHTING WARNING: WARNING: If you do not fol- • If fireplace has glass doors, low these instructions exactly, never operate this heater with a fire or explosion may result glass doors closed. If you op- causing property damage, per- 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 light
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OPERATION Continued 1. STOP! Read the safety information in column 1. WARNING: Do not operate 2. Make sure equipment shutoff valve is fully heater between PILOT and HIGH open. positions. 3. Press in and turn control knob clockwise to the OFF position. 9. To leave pilot lit and shut off burners only, 4. Wait five (5) minutes to clear out any gas. turn control knob clockwise to the PILOT position. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” Thermoc
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INSPECTING URNERS b Check pilot flame pattern and burner flame Thermocouple patterns often. Pilot Burner PILOT FLAME PATTERN Figure 23 shows a correct pilot flame pattern. Figure 24 shows an incorrect pilot flame pat- tern. The incorrect pilot flame is not touching the thermocouple. This will cause the thermocouple to cool. When the thermocouple cools, the heater will shut down. Figure 21 - Incorrect Pilot Flame Pattern4 If pilot flame pattern is incorrect, as shown BURNER PRIMARY AIR HOLE
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CLEANING AND MAINTENANCE Continued We also recommend that you keep the burner 5. Blow air into the primary air holes on the tube and pilot assembly clean and free of dust injector holder. and dirt. To clean these parts we recommend 6. In case any large clumps of dust have now using compressed air no greater than 30 PSI. been pushed into the burner repeat steps Your local computer store, hardware store or 3 and 4. home center may carry compressed air in a Clean pilot assembly also. A yello
