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®
INFRARED VENT-FREE NATURAL GAS HEATER
OWNER’S OPERATION AND INSTALLATION MANUAL
®
MODELS: VN6C AND VN10
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.
• Do not touch any electrical switch; do not use any p
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER 2. If you smell gas 12. Carefully supervise young children SAFETY • shut off gas supply when they are in same room with INFORMATION • do not try to light any appliance heater. • do not touch any electrical switch; 13. Make sure grill guard is in place be- do not use any phone in your build- WARNINGS WARNING ICON G 001 fore running heater. ing 14. Do not use heater if any part has been IMPORTANT: Read this Owner’s • immediately call your gas supplier und
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OWNER’S MANUAL PRODUCT AIR FOR IDENTIFICATION COMBUSTION AND Piezo Ignitor Button VENTILATION Control Knob WARNING: This heater shall not be installed in a confined space unless provisions are pro- vided for adequate combustion and ventilation air. Read the fol- lowing instructions to insure proper fresh air for this and other fuel-burning appliances in your Grill Guard home. Today’s homes are built more energy effi- Burners cient than ever. New materials, increased insulation, and new construct
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER space. Rooms communicating directly with Example: AIR FOR the space in which the appliances are in- Gas water heater 40,000 Btu/Hr COMBUSTION AND stalled*, through openings not furnished Vent-free heater + 10,000 Btu/Hr with doors, are considered a part of the VENTILATION Total = 50,000 Btu/Hr unconfined space. Continued * Do not include direct-vent gas appli- * Adjoining rooms are communicating only ances. Direct-vent dra
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OWNER’S MANUAL AIR FOR COMBUSTION AND 12" VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Ventilation Grills Building Into Adjoining Room, Ventilation Option 2 This fresh air would come from an adjoining Grills Or unconfined space. When ventilating to an into Adjoining Remove adjoining unconfined space, you must pro- Room, Door into vide two permanent openings: one within Option 1 Adjoining 12" of the ceiling and one within 12" of the Room, floor on the wall connecting t
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER LOCATING HEATER CEILING INSTALLING TO This heater is designed to be mounted on a WALL wall. 36" NOTICE: A qualified service per- Minimum son must install heater. Follow WARNING: Maintain the mini- 8" Minimum all local codes. mum clearances shown in Figure From 4. If you can, provide greater clear- Sides Of ances from floor, ceiling, and join- Heater CHECK GAS TYPE ing wall. Use only natural gas. If your gas supply is Right not natural, do not install hea
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OWNER’S MANUAL 5. Tighten two screws until 1/16" space INSTALLING BOTTOM INSTALLING TO (thickness of penny) is between MOUNTING SCREW WALL screwheads and wall (see Figure 8). 1. Locate bottom mounting hole. This Continued hole is near bottom on back panel of Thin or Thick Wall heater (see Figure 11). INSTALLING TWO (thick wall 2. Mark screw location on wall. MOUNTING SCREWS shown) 3. Remove heater from wall. 1/16" Note: Wall anchors and mounting screws Space 4. If installing bottom mounting scre
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping and/ CONNECTING TO or fittings. GAS SUPPLY NOTICE: A qualified service per- son must connect heater to gas supply. Follow all local codes. WARNING: Never connect Pressure heater to private (non-utility) gas Regulator wells. This gas is commonly 3/8" NPT known as well-head gas. Pipe Nipple Heater Cabinet IMPORTANT: Check gas line pressure be- Ground Joint fore connecting hea
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OWNER’S MANUAL PRESSURE TESTING CHECKING GAS OPERATING HEATER GAS CONNECTIONS HEATER CONNECTIONS FOR YOUR SAFETY 1. Open manual shutoff valve (see Figure WARNING: Test all gas pip- READ BEFORE 13). ing and connections for leaks LIGHTING 2. Open main gas valve located on or near after installing or servicing. Cor- gas meter. rect all leaks at once. WARNING: If you do not fol- 3. Make sure control knob of heater is in low these instructions exactly, a the OFF position. fire or explosion may resu
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER fied service person or gas supplier Control VN10 OPERATING for repairs. Until repairs are made, Knob Burners OFF HEATER light pilot with match. To light pi- lot with match, see Manual Light- Continued PILOT ing Procedure, page 11. LIGHTING Ignitor Electrode Pilot Burner INSTRUCTIONS LOW Thermocouple 1. STOP! Read the safety information above. OFF 2. Make sure manual shutoff valve is PILOT fully open. Clockwise 3. Turn control knob clockwise to the OFF p
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OWNER’S MANUAL If pilot flame pattern is incorrect, as shown OPERATING CLEANING AND in Figure 19 HEATER • turn heater off (see To Turn Off Gas MAINTENANCE to Appliance, page 10) Continued • see Troubleshooting, pages 12 WARNING: Turn off heater MANUAL LIGHTING through 14 and let cool before cleaning. PROCEDURE BURNER FLAME PATTERN 1. Remove front panel (see Figure 10, Figure 20 shows a correct burner flame CAUTION: You must keep page 7). pattern. Figure 21 shows an incorrect burner control are
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER TROUBLESHOOTING CAUTION: Never use a wire, WARNING: Turn off heater needle, or similar object to clean and let cool before servicing. Only a qualified service person should ODS/pilot. This can damage ODS/ service and repair heater. pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed and control 1. Ignitor electrode positioned wrong 1. Replace ignitor knob i
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OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner(s) does not light after ODS/pilot is 1. Burner orifice(s) is clogged 1. Clean burner orifice(s) (see Cleaning lit and Maintenance, page 11) or replace burner orifice(s) 2. Burner orifice(s) diameter is too small 2. Replace burner orifice(s) 3. Inlet gas pressure is too low 3. Contact local natural gas company Delayed ignition of burner(s) 1. Manifold pressure is too low 1. Contact local natural gas company 2.
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces unwanted odors 1. Heater burning vapors from paint, hair 1. Ventilate room. Stop using odor-causing spray, glues, etc. See IMPORTANT products while heater is running statement above 2. Gas leak. See Warning statement be- 2. Locate and correct all leaks (see Check- low ing Gas Connections, pages 8 and 9) Heater shuts off in use (ODS operates) 1. Not enough fresh air is availa
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OWNER’S MANUAL TECHNICAL SERVICE REPLACEMENT SERVICE PUBLICATIONS PARTS You may have further questions about in- You can purchase a service manual from the Note: Use only original replacement parts. stallation, operation, or troubleshooting. address listed on the back page of this This will protect your warranty coverage for manual. Send a check for $5.00 payable to parts replaced under warranty. If so, contact DESA International’s Techni- DESA International. cal Service Department at 1-800-323-
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER This list contains replaceable parts used in your heater. When ordering parts, follow the instructions PARTS LIST listed under Replacement Parts on page 15 of this manual. VN6C KEY PART KEY PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 14 099057-01 Pressure Tap Fitting 1 1 098304-01 Screw, #10 x 3/8" 2 15 098276-01 1/8 Pipe Plug 1 2 099467-03 Front Panel Assembly 1 3 099318-03 Grill Guard 1 16 099468-10 Cabinet Assembly 1 17 099415-01 Gas
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B A OWNER’S MANUAL This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed PARTS LIST under Replacement Parts on page 15 of this manual. VN10 KEY PART KEY PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 2 15 099057-01 Pressure Tap Fitting 1 2 099467-03 Front Panel Assembly 1 16 098276-01 1/8 Pipe Plug 1 3 099318-03 Grill Guard 1 17 099468-08 Cabinet Assembly 1 4 101108-01 Grill Guard Clip 2 18 099415
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VANGUARD VN6C AND VN10 NATURAL GAS HEATER NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ____________________________________________________________________
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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 VANGUARD VENT-FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for thr
