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UNVeNTed (VeNT-FRee) Bl Ue FlAMe GAs HeATeR
sAFeTY INFoRMATIoN ANd INsTAA ll TIoN MANUAl
Models VN20BTA, VP20BTA
VN30BTA ANd VP30BTA
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 el
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TABle oF CoNTeNTs Safety Information ............................................... Troubleshooting ................................................. 17 Local Codes......................................................... 4 Specifications .................................................... 1 Product Identification ........................................... 4 Service Hints ..................................................... 1 Unpacking...................................................
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sAFeTY INFoRMATIoN Keep the appliance area clear Continued and free from combustible ma- Natural and Propane/LP Gas: Natural and terials, gasoline and other flam- propane/LP gases are fuel gases. Fuel gases are mable vapors and liquids. odorless. An odor-making agent are added to fuel gases. The odor helps you detect a fuel gas leak. 1. This appliance is only for use with the type of However, the odor added to fuel gas can fade. Fuel gas indicated on the rating plate. This appliance gas m
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sAFeTY INFoRMATIoN PRod UCT IdeNTIFICATIoN Continued Control Ignitor Heater Knob Button 13. Before using furniture polish, wax, carpet Cabinet cleaner or similar products, turn heater off. If heated, the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture. 14. Provide adequate clearances around air openings. l oCAl Codes Install and use heater with care. Follow all lo- cal codes. In the absence of local codes, use the latest ed
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Unusually Tight Construction AIR FoR CoMBUsTIoN The air that leaks around doors and windows ANd VeNTIA l TIoN may provide enough fresh air for combustion and ventilation. However, in buildings of unusually WARNING: This heater shall tight construction, you must provide additional not be installed in a confined fresh air. space or unusually tight con- Unusually tight construction is defined as con- struction unless provisions are struction where: a. walls and ceilings exposed to the outsi
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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 can Continued support) ___________ Btu/Hr (actual amount of Btu/Hr used) DETERMINING FRESH-AIR FLOW Example: FOR HEATER LOCATION 51,200 Btu/Hr (maximum the space can support) Determining if You Have a Confined or 60,000 Btu/Hr (actual amount of Btu/Hr used) Unconfined Space The space in the above example is a confined spa
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AIR FoR CoMBUsTIoN Ventilated Outlet Attic ANd VeNTIA l TIoN Air Continued Outlet Air To Attic vENTILATION AIR Ventilation Air From Inside Building To This fresh air would come from an adjoining un- Crawl Space confined space. When ventilating to an adjoining Inlet Air unconfined space, you must provide two perma- Ventilated nent openings: one within 12" of the ceiling and 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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INsTAA ll TIoN 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" from • piping (check local codes) the front, top or sides of the • sealant (resistant to propane/LP gas) heater • equipment shutoff valve * •
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Methods For Attaching Mounting Bracket INsTAA ll TIoN 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 apart from their centers. Attach mounting bracket below the heater. to wall in one of two ways: 1. Place clamp on thermostat sensing bulb as 1. Attaching to wall stud shown in Figure 5. Clamp is provided in 2. Attaching to wall anchor hardware package.
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6. Insert mounting screws through bracket and INsTAllATIoN into wall anchors. Continued 7. Tighten screws until mounting bracket is Attaching Mounting Bracket To Wall firmly fastened to wall. Note: Wall anchors, mounting screws and spacers Placing Heater On Mounting Bracket are in hardware package. The hardware package 1. Locate two horizontal slots on back panel is provided with heater. of heater. Attaching To Wall Stud Method 2. Place heater onto mounting bracket. Slide For attaching mou
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3. For carpeted floors, make a small cut with a INsTAA ll TIoN 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 diameter hole, 3/4" deep. (Do not use anchors hollow or solid wall, install wall anchors. in wood floors). Follow steps 1 through 4 under Attaching To If mounting base to a concrete floor, drill with Wall Anchor Method, page 10. 3 1/4" diameter concrete drill bit, 1 /8" into
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IMPORTANT: Hold the pressure regulator with INsTAA ll TIoN 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 Note: Burner iron or steel pipe. Internally-tinned Pressure bracket not copper tubing may be used in cer- Regulator shown for clarity tain areas. Check your local codes. Heater Use pipe of large enough diameter 3/" NPT Cabinet to allow proper g
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Thermostat Gas Valve INsTAllATIoN 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 Figure 17 - Checking Gas Joints for (3.5 kPa) Natural Gas 1. Disconnect appliance with its appliance main gas Thermostat valve (control valve) and equipment s
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6. Turn control knob counterclockwise to oPeRATING HeATeR the PILOT position. Press in control knob for FOR YOUR SAFETY five (5) seconds. READ BEFORE LIGHTING 7. With control knob pressed in, push down and release ignitor button. This will light pilot. WARNING: If you do not fol- The pilot is attached to the front of burner. low these instructions exactly, Note: You may be running this heater for the a fire or explosion may result first time after hooking up to gas supply. If so, you
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oPeRATING HeATeR INsPeCTING HeATeR Continued Check pilot flame pattern and burner flame pat- tern often. TO TURN OFF GAS TO APPLIANCE PILOT FLAME PATTERN Shutting Off Heater Figure 21 shows a correct pilot flame pattern. Figure 1. Turn control knob clockwise to the 22 shows an incorrect pilot flame pattern. The incor- OFF position. rect pilot flame is not touching the thermocouple. 2. Turn off all electric power to the appliance if This will cause the thermocouple to cool. When the service
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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. clean burning
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TRoUBlesHoo TING 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. Ignito
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TRoUBlesHoo TING 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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TRoUBlesHoo TING Continued OBSERvED PROBLEM POSSIBLE CAUSE REMEDY Yellow flame during burner 1. Not enough air 1. Check burner for dirt and combustion debris. If found, clean burner (see Cleaning and Mainte- nance, page 16) 2. Gas regulator defective 2. Replace gas regulator 3. Clogged or dirty burner 3. Clean burner (see Cleaning and Maintenance, page 16) Slight smoke or odor during initial 1. Residues from manufacturing 1. Problem will stop after a few operation processes hours of operatio
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TRoUBlesHoo TING 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, ce
