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UNVeNTed (VeNT-FRee) Gas o l G Hea TeR
oWNeR’s oPeRa TIoN aNd INsT alla TIoN MaNU al
PFS
®
US
Models VF-18N-MHd , VF-18P-MHd, VF-24N-MHd
aNd VF-24P-MHd
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 other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance
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TaBle oF CoNTeNTs Safety .................................................................. 2 Cleaning and Maintenance ................................ 20 Unpacking............................................................ 4 Troubleshooting ................................................. 21 Product Identification ........................................... 5 Wiring Diagram .................................................. 24 Local Codes.......................................................
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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 heater. 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, WARNING: D
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saFeTy Continued 1. This appliance is only for use with the type heated, the vapors from these products may of gas indicated on the rating plate. This create a white powder residue within burner appliance is not convertible for use with box or on adjacent walls or furniture. other gases. 10. This heater needs fresh, outside air ven- 2. Do not place propane/LP supply tank(s) in- tilation to run properly. This heater has an side any structure. Locate propane/LP supply oxygen depletion sensin
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PRodUCT IdeNTIFICa TIoN Log Set Assembly Control Valve with Hand-Held Remote Receiver Remote Control Module Chassis Assembly Figure 1 - Product Identification l oCal 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 Z223.1/NFPA 54*. Massachusetts. *Available from: Sellers
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aIR FoR CoMBUsTIoN aNd VeNTIla TIoN Continued While it is good to make your home energy effi- whose volume is less than 50 cubic feet per 3 1,000 Btu/hr (4.8 m per kw) of the aggregate cient, your home needs to breathe. Fresh air must input rating of all appliances installed in that enter your home. All fuel-burning appliances need space and an unconfined space as a space fresh air for proper combustion and ventilation. whose volume is not less than 50 cubic feet per Exhaust fans, firepla
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aIR FoR CoMBUsTIoN aNd VeNTIla TIoN Continued Example: into adjoining room (see option 3, Figure 2). 40,000 Gas water heater __________Btu/Hr Follow the National Fuel Gas Code, ANSI 33,000 Vent-free fireplace+ __________Btu/Hr Z223.1/NFPA 54, Air for Combustion and Ventilation for required size of ventilation Total= __________ 73,000 Btu/Hr grills or ducts. 4. Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used. 12" ______Btu/Hr (max the space c
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INsTalla TIoN 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 primary heating system. Do not • in a recreational vehicle install this heater as your pri- • where curtains, furniture, mary heat source. If you have a clothing or other flammable central heating system, you may objects are less than 36" from run system’s circulating blower the front, and 42" from top of while usin
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INsTalla TIoN Continued B. Clearances from the top of the fireplace WARNING: This appliance is opening to the ceiling should not be less than 42". equipped for either natural gas or propane/LP gas but not both. Gas type is indicated on the rat- ing plate. Field conversion is not Example permitted. INSTALLATION AND CLEARANCES FOR VENT-FREE OPERATION * WARNING: Maintain the minimum clearances. If you *Minimum 16" from Side Wall can, provide greater clearances Figure 4 - Minimum Clearanc
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INsTalla TIoN Continued Noncombustible Requirements for Safe Installation Material Distance (A) 12" or more Noncombustible material OK Between 8" and Install fire place hood accessory ( see 12" Accessories, page 25). Less than 8 Noncombustible material must be ex- tended to at least 8". See Between 8" and 12", above. If you cannot extend material, you must operate heater with flue damper open. Figure 5 - Heat Resistant Material (Slate, Marble, Tile, etc.) Above Fireplace Mantel Shelf 10" 8
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INsTalla TIoN Continued MANTEL CLEARANCES Combustible Material 14" In addition to meeting noncombustible mate- Min. rial clearances, you must also meet required clearances between fireplace openings and Noncombustible Material mantel shelf on each side of the fireplace. If Figure 8 - Minimum Fireplace Clearances you do not meet the clearances listed below, If Installed at Floor Level you will need a hood. Determining Minimum Mantel Clearance If you meet minimum clearance between man- te
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Installation Items Needed INsTalla TIoN Before installing heater, make sure you have Continued the items listed below. Installation Items Needed • external regulator (for propane/LP units • control cover kit (provided with heater) only, supplied by installer) • approved flexible gas hose (if allowed by • piping (check local codes) local codes) • sealant (resistant to propane/LP gas) • sealant (resistant to propane/LP gas, not • equipment shutoff valve * provided) • test gauge connection *
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INsTalla TIoN Continued Installation must include an equipment shutoff where trapped matter is not likely to freeze. valve, union and plugged 1/8" NPT tap. Locate A sediment trap traps moisture and contami- NPT tap within reach for test gauge hook up. nants. This keeps them from going into heater NPT tap must be upstream from heater (see controls. If sediment trap is not installed or is Figure 12). installed wrong, heater may not run properly. IMPORTANT: Install equipment shutoff valve in a
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3. Check all joints from gas meter to equip- INsTalla TIoN ment shutoff valve for natural gas or Continued propane/LP supply to equipment shutoff 4. Check all joints of gas supply piping system. valve for propane/LP (see Figure 14 or 15). Apply noncorrosive leak detection fluid to all Apply noncorrosive leak detection fluid to joints. Bubbles forming show a leak. all joints. Bubbles forming show a leak. 5. Correct all leaks at once. 4. Correct all leaks at once. 6. Reconnect heater and equ
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INsTalla TIoN Continued 4. Add lava rock and small decorative logs around base of heater if desired (see WARNING: Do not use rock Figure 17). You may place lava rock and wool or any other ember material log pieces up to flat burner. DO NOT not supplied with this unit. place rock or logs on front burner or on logs. Placing any material on unit other than ember material on front burner may result in production of carbon monoxide or soot. WARNING: Do not operate unit without ember mater
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oPeRa TIoN Continued REMOTE LIGHTING WARNING: Burner will come INSTRUCTIONS on automatically within one min- WARNING: ute after pilot burner is lighted. • If fireplace has glass doors, 6. Press the buttons and at the same never operate this heater with time. A short acoustic signal confirms start glass doors closed. If you op- sequence has begun. erate heater with doors closed, Further short acoustic signals (0.2 sec., heat buildup inside fireplace 1 Hz) indicate the ignition proce
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oPeRa TIoN Continued Shut Off Procedure The controller compares the room tem- To save battery power, press to turn main perature with set temperature and sends gas to pilot gas. Press the OFF button to a signal to the receiver to turn gas valve shut off the device including pilot flame. The motor up or down, to adjust flame height device can be shut off with ON/OFF switch, accordingly. thus disabling remote hand set. • The nighttime setback temperature ( TEMP appears on display): The sensor
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oPeRa TIoN Continued 11. Turn motor knob to adjust flame. Knob has MANUAL LIGHTING a slipping clutch that allows manual flame PROCEDURE height adjustment as well as adjustment to pilot gas. WARNING: Manual lighting Pilot Burner must be performed by a qualified Thermocouple service person. The system has a "MANUAL OVERRIDE" feature that allows you to light with a match. Lighting with a Match Figure 20 - Pilot 1. STOP! Read the safety information on page 15 . Lighting with Piezo Ignitor 1
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INsPeCTING BURNeRs Check pilot flame pattern and burner flame BURNER FLAME PATTERN patterns often. Figure 23 shows correct burner flame pat- tern. PILOT FLAME PATTERN Figure 21 shows a correct pilot flame pattern. NOTICE: Do not mistake orange Figure 22 shows an incorrect pilot flame pat- flames with yellow tipping. Dirt tern. The incorrect pilot flame is not touching or other fine particles are burned the thermocouple. When the thermocouple by heater, causing brief patches cools, the he
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2 . Remove screws from left and right side of CleaNING aNd front log assembly to remove from base MaINTeNaNCe assembly (see Figure 25). 3. Inspect burner and primary air inlet holes WARNING: Turn off heater on injector holder of each burner for dust and let cool before cleaning. and dirt (see Figures 25 and 26). 4. Blow air through the ports/slots and holes in the burner. CAUTION: You must keep 5. Check the injector holder located at the control areas, burner and circu- end of the bur
