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®
BLUE FLAME
VENT-FREE NATURAL GAS HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
VN1000BTA
10,000 Btu/Hr
Thermostatically-
Controlled Models
WARNING: Improper installa-
WARNING: If the information in this manual is not
tion, adjustment, alteration,
followed exactly, a fire or explosion may result caus-
service, or maintenance can
ing property damage, personal injury, or loss of life.
cause injury or property dam-
age. Refer to this manual for
— Do not store or use gasoline or other
correct in
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER 3. Heater shall not be installed in a bath- SAFETY Due to high temperatures, the room. appliance should be located out INFORMATION 4. This heater needs fresh, outside air ven- of traffic and away from furniture tilation to run properly. This heater has and draperies. an Oxygen Depletion Sensing (ODS) WARNINGS safety shutoff system. The ODS shuts Do not place clothing or other down the heater if not enough fresh air IMPORTANT: Read this owner’s flammabl
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OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES Ignitor Button SAFETY PILOT Control Knob This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff sys- tem. The ODS/pilot is a required feature for vent-free room heaters. The ODS/pilot shuts off the heater if there is not enough fresh air. PIEZO IGNITION SYSTEM This heater has a piezo ignitor. This system Grill Guard requires no matches, batteries, or other sources to light heater. Glass Panel Heater Front Cabinet Panel
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code ANS Z223.1 COMBUSTION AND defines a confined space as a space whose The following are excerpts from National VENTILATION volume is less than 50 cubic feet per 1,000 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- Btu per hour (4.8 m3 per kw) of the aggre- tion 5.3, Air for Combustion and Ventilation. gate input rating of all appliances installed WARNING: This heater
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OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms. 1. Determine the volume of the space (length x width x height). Length x Width x Height = ______________ cu. ft.
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER AIR FOR COMBUSTION AND 12" VENTILATION Continued VENTILATION AIR Ventilation Grills Ventilation Air From Inside Into Adjoining Room, Ventilation Option 2 Building Grills Or into Adjoining Remove This fresh air would come from an adjoining Room, Door into unconfined space. When ventilating to an Option 1 Adjoining adjoining unconfined space, you must pro- Room, vide two permanent openings: one within Option 3 12" of the ceiling and one within 12" o
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OWNER’S MANUAL CEILING LOCATING HEATER INSTALLATION This heater is designed to be mounted on a NOTICE: This heater is intended wall. 36" for use as supplemental heat. Use Minimum this heater along with your pri- 6" WARNING: Maintain the mini- mary heating system. Do not in- Minimum mum clearances shown in Figure From stall this heater as your primary 4. If you can, provide greater clear- Sides Of heat source. If you have a central Heater ances from floor, ceiling, and join- heating system, you
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER Thin or Installing Bottom Mounting INSTALLATION Thick Wall Screw Continued (thick wall 1. Locate bottom mounting hole. This shown) Installing Two Mounting Screws 1/16" hole is near bottom on back panel of Space heater (see Figure 11). Note: Wall anchors and mounting screws are in hardware package. The hardware pack- 2. Mark screw location on wall. Solid age is provided with heater. 3. Remove heater from wall. Wall Attaching To Wall Stud Method 4. If ins
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OWNER’S MANUAL Installation must include an equipment shutoff INSTALLATION CAUTION: Use pipe joint seal- valve, ground joint union, and plugged Continued ant that is resistant to liquid pe- 1/8" NPT tap. Locate NPT tap within reach troleum (LP) gas. for test gauge hook up. NPT tap must be CONNECTING TO GAS upstream from heater (see Figure 12). Install sediment trap (trap) in supply line as SUPPLY IMPORTANT: Install an equipment shutoff shown in Figure 12. Locate sediment trap valve in an acces
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER Pressure Testing Heater Gas INSTALLATION OPERATING Connections Continued HEATER 1. Open equipment shutoff valve (see Fig- CHECKING GAS ure 13). FOR YOUR SAFETY CONNECTIONS 2. Open main gas valve located on or near READ BEFORE gas meter. LIGHTING WARNING: Test all gas pip- 3. Make sure control knob of heater is in ing and connections for leaks the OFF position. WARNING: If you do not fol- after installing or servicing. Cor- 4. Check all joints from equ
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OFF HI OWNER’S MANUAL Note: If pilot goes out, repeat steps THERMOSTAT OPERATING 3 through 7. This heater has a safety CONTROL HEATER interlock system. Wait one (1) minute OPERATION before lighting pilot again. Continued The thermostatic control used on these 8. Turn control knob counterclockwise LIGHTING models differs from standard thermo- to desired heating level. The C-clockwise INSTRUCTIONS stats. Standard thermostats simply turn main burner should light. Set control on and off the burner.
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER CLEANING BURNER INSPECTING NOTICE: Do not mistake orange PILOT AIR INLET HOLE flames with yellow tipping. Dust BURNER or other fine particles enter the We recommend that you clean the unit every heater and burn causing brief Check pilot flame pattern and burner flame 2,500 hours of operation or every three months. patches of orange flame. pattern often. We also recommend that you keep the burner tube and pilot assembly clean and free of dust PILOT FLAME
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OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. Only Note: For additional help, visit DESA needle, or similar object to clean a qualified service person should International’s technical service web site ODS/pilot. This can damage ODS/ service and repair heater. at www.desatech.com. pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed,
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice is clogged 1. Clean burner orifice (see Cleaning and Maintenance, page 12) or replace burner orifice 2. Burner orifice diameter is too small 2. Replace burner orifice 3. Inlet gas pressure is too low 3. Contact local natural gas company Delayed ignition of burner 1. Manifold pressure is too low 1. Contact local natural gas comp
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OWNER’S MANUAL 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. Follow 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
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER ILLUSTRATED 22 21 PARTS BREAKDOWN 20 VN1000BTA 10 14 16 13 19 23 12 24 10 18 4 11 14 15 7 9 6 3 5 17 8 2 12-1 1 12-2 ODS/PILOT 104265 16
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OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions PARTS LIST listed under Replacement Parts on page 18 of this manual. VN1000BTA KEY PART NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 2 099467-03 Front Panel Assembly 1 3 099318-04 Grill Guard 1 4 101108-01 Grill Guard Clip 2 5 102017-02 Bottom Glass Retainer 1 6 098260-11 Glass Panel 1 7 098532-06AA Top Glass Retainer 1 8 M11084-38 Screw, #8 x 3/8" 8 9 098352-03BR
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® BLUE FLAME 10,000 BTU NATURAL GAS HEATER SPECIFICATIONS REPLACEMENT VN1000BTA PARTS Btu(Variable) 5,000/10,000 Note: Use only original replacement parts. Type Gas Natural Only This will protect your warranty coverage for Ignition Piezo parts replaced under warranty. Pressure Regulator Setting 3" W.C. PARTS UNDER WARRANTY Inlet Gas Pressure (inches of water) 10.5" Max. / 4" Min. Contact authorized dealer from whom you Heater Dimensions purchased this product. If they cannot sup- (Includes knobs
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OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________
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WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory. We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our standard written warranty. We make no other warranty, expressed or implied. LIMITED WARRANTY VENT-FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for four (4) yea
