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UNVENTED (VENT-FREE) BLUE FLAME GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
MODELS VN20BT, VP20BT VN30BT AND VP30BT
WARNING: If the information in this manual is not fol-
lowed 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.
• Do not touch any electrical
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WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional 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. Provi- sions for adequate combustion and ventilation air must be provided. Refer to Ai
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SAFETY INFORMATION Do not place clothing or other flammable material on or near IMPORTANT: Read this owner’s the appliance. Never place any manual carefully and completely objects on the heater. before trying to assemble, operate or service this heater. Surface of heater becomes very Improper use of this heater can hot when running heater. Keep cause serious injury or death children and adults away from from burns, fire, explosion, hot surface to avoid burns or electrical shock and
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SAFETY INFORMATION PRODUCT INFORMATION Control Continued Ignitor Heater Knob Button 6. Keep all air openings in front and bottom of Cabinet heater clear and free of debris. This will insure enough air for proper combustion. 7. If heater shuts off, do not relight until you provide fresh, outside air. If heater keeps shutting off, have it serviced. 8. Do not run heater • where flammable liquids or vapors are used or stored • under dusty conditions 9. Do not use heater if any part has been u
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Unusually tight construction is defined as AIR FOR COMBUSTION construction where: AND VENTILATION a. walls and ceilings exposed to the out- side atmosphere have a continuous WARNING: This heater shall water vapor retarder with a rating of not be installed in a confined -11 2 one perm (6x10 kg per pa-sec-m ) or space or unusually tight con- less with openings gasketed or sealed struction unless provisions are and b. weather stripping has been added on provided for adequate combus- openabl
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4. Compare the maximum Btu/Hr the space can AIR FOR COMBUSTION support with the actual amount of Btu/Hr used. AND VENTILATION _______________Btu/Hr (maximum the space Continued can support) _______________Btu/Hr (actual amount of DETERMINING FRESH-AIR FLOW Btu/Hr used) FOR HEATER LOCATION Example: Determining if You Have a Confined or 51,200 Btu/Hr (maximum the space can support) Unconfined Space 60,000 Btu/Hr (actual amount of Btu/Hr used) Use this work sheet to determine if
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AIR FOR COMBUSTION AND VENTILATION Ventilated Outlet Attic Air Continued Outlet VENTILATION AIR Air To Attic Ventilation Air From Inside Building This fresh air would come from an adjoining un- To Crawl confined space. When ventilating to an adjoining Space Inlet unconfined space, you must provide two perma- Air nent openings: one within 12” of the ceiling and Ventilated Inlet Air Crawl Space one within 12” of the floor on the wall connecting the two spaces (see options 1 and 2, Figure 2).
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INSTALLATION WARNING: Never install the Continued heater INSTALLATION ITEMS • in a bedroom or bathroom Before installing heater, make sure you have the • in a recreational vehicle items listed below. • where curtains, furniture, • for propane/LP gas, external regulator (supplied clothing or other flammable by installer) objects are less than 36 inches • piping (check local codes) from the front, top or sides of • sealant (resistant to propane/LP gas) the heater • equipment shutoff valve
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Methods For Attaching Mounting Bracket INSTALLATION To Wall Continued Only use last hole on each end of mounting bracket THERMOSTAT SENSING BULB to attach bracket to wall. These two holes are 14 The thermostat sensing bulb has been placed inches apart from their centers. Attach mounting bracket to wall in one of two ways: below the heater. 1. Attaching to wall stud 1. Place clamp on thermostat sensing bulb as shown in Figure 5. Clamp is provided in 2. Attaching to wall anchor hardware pack
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5. Place mounting bracket onto wall. Line up INSTALLATION last hole on each end of bracket with wall Continued anchors. Attaching Mounting Bracket To Wall 6. Insert mounting screws through bracket and Note: Wall anchors, mounting screws and spacers into wall anchors. are in hardware package. The hardware package 7. Tighten screws until mounting bracket is is provided with heater. firmly fastened to wall. Attaching To Wall Stud Method Placing Heater On Mounting Bracket For attaching mounting
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3. For carpeted floors, make a small cut with a INSTALLATION sharp knife at marked locations prior to drill- Continued ing. If mounting base to a wood floor, drill 1/8 4. If installing bottom mounting screws into inch diameter hole, 3/4 inch deep. (Do not use hollow or solid wall, install wall anchors. anchors in wood floors). Follow steps 1 through 4 under Attaching To If mounting base to a concrete floor, drill Wall Anchor Method, page 10 3 with 1/4 inch diameter concrete drill bit, 1 /8
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IMPORTANT: Hold the pressure regulator with INSTALLATION wrench when connecting it to gas piping and/or Continued fittings. Do not over tighten pipe connection to regulator. The regulator body could be damaged. CAUTION: Use only new, black iron or steel pipe. Internally-tinned Note: Burner copper tubing may be used in cer- bracket not tain areas. Check your local codes. shown for clarity Pressure Use pipe of large enough diameter Regulator Heater Cabinet to allow proper gas volume to 3
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Thermostat Gas INSTALLATION Valve Continued CAUTION: For propane/LP gas, make sure external regula- Gas Meter tor has been installed between propane/LP supply and heater. See guidelines under Connect- ing to Gas Supply, page 11. PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Equipment Shutoff Valve Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) Figure 17 - Checking Gas Joints for 1. Disconnect appliance with its appliance main gas Natural Gas valve (control valve) and equipment shutoff valve
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5. Turn control knob counterclockwise OPERATING HEATER to the PILOT position. Press in control FOR YOUR SAFETY knob for five (5) seconds (see Figure 19). READ BEFORE LIGHTING Note: You may be running this heater for the first time after hooking up to gas sup- ply. If so, the control knob may need to be WARNING: If you do not fol- pressed in for 30 seconds or more. This will low these instructions exactly, allow air to bleed from the gas system. a fire or explosion may result • If contr
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3. With control knob pressed in, strike match. OPERATING HEATER Hold match to pilot until pilot lights. Continued 4. Keep control knob pressed in for 30 seconds 8. Turn control knob counterclockwise after lighting pilot. After 30 seconds, release to desired heating level. The main burner control knob. Now follow step 8, under should light. Set control knob to any heat Lighting Instructions, pages 14 and 15. level between 1 and 5. 5. Replace front panel. INSPECTING HEATER CAUTION: Do no
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ODS/PILOT AND BURNER INSPECTING HEATER Use a vacuum cleaner, pressurized air or small, Continued soft bristled brush to clean. Figure 23 shows a correct burner flame pattern. Fig- ure 24 shows an incorrect burner flame pattern. The BURNER PILOT AIR INLET incorrect burner flame pattern shows yellow tipping The primary air inlet holes allow the proper of the flame. It also shows the flame higher than 1/2 amount of air to mix with the gas. This provides a the glass panel height. c ean bu n ng flame
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SPECIFICATIONS VN20BT VN30BT Btu (Variable) 10,000/20,000 15,000/30,000 Type Gas Natural Natural Ignition Piezo Piezo Pressure Regulator Setting 3" W.C. 3" W.C. Inlet Gas Pressure (in. of water) Maximum 10.5" 10.5" Minimum 4" 4" Dimensions, Inches (H x W x D) Heater (Includes knobs & grill) 24.25 x 18.25 x 7 24.25 x 25.75 x 7 Carton 26.25 x 21.25 x 9 26.25 x 29 x 9 Weight (pounds) Heater 20 28 Shipping 25 33 VP20BT VP30BT Btu (Variable) 10,000/20,000 15,000/30,000 Type Gas Propane/LP P
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TROUBLESHOOTING WARNING: Turn off and unplug heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, 1. Ignitor electrode positioned 1. Replace pilot assembly there is no spark at ODS/pilot wrong 2. Ignitor
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TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights but flame 1. Control knob not fully 1. Press in control knob fully goes out when control knob is pressed in released 2. Control knob not pressed in 2. After ODS/pilot lights, keep con- long enough trol knob pressed in 30 seconds 3. Safety interlock system has 3. Wait one minute for safety in- been triggered terlock system to reset. Repeat ignition operation 4. Equipment shutoff valve not 4. Fully open equipment s
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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. Fol- low 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 smoke, cem
