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Vanguard Heating VMH3000TNSA manual

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Table of contents for the manual

  • Page 1

    Save this manual for future reference. OWNER’S OPERA TION AND INST ALLA TION MANUAL VENT -FREE NA TURAL GAS MINI-HEAR TH ® HEA TER VMH3000TNSA 15,000 to 30,000 Btu/Hr with Thermostat This appliance ma y be installed in an aftermarket*, permanently located, manufac- tured (mobile) home, where not pr ohibited by state or local codes. This applianc[...]

  • Page 2

    2 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com SAFETY INFORMA TION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code, ANS Z223.1 , also known as NFPA 54*. *Available from: American National Standards In[...]

  • Page 3

    3 107101 OWNER’S MANUAL For more information, visit www.desatech.com PRODUCT FEA TURES SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensing (ODS) safety shutoff system. 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 h[...]

  • Page 4

    4 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com Truss-Head Screw Nut Front Panel Figure 4 - Attaching Brass Front Trim to Front Panel Brass Front Trim Figure 3 - Assembling Heater Side Brass Trim Top Brass Trim Slot Mitered Edge Slot Set Screws Adjusting Plate Screws Assembled Brass Trim Shim Assembling an[...]

  • Page 5

    5 107101 OWNER’S MANUAL For more information, visit www.desatech.com Today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes. Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in. During heatin[...]

  • Page 6

    6 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com 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 room[...]

  • Page 7

    7 107101 OWNER’S MANUAL For more information, visit www.desatech.com VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space. When ventilating to an adjoining unconfined space, you must pro- vide two permanent openings: one within 12" of the ceiling and one within 12" of the floo[...]

  • Page 8

    8 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com Figure 9 - Mounting Clearances As Viewed From Front of Heater CAUTION: If you install the heater in a home garage • heater pilot and burner must be at least 18 inches above floor. • locate heater where moving ve- hicle will not hit it. WARNING: Never inst[...]

  • Page 9

    9 107101 OWNER’S MANUAL For more information, visit www.desatech.com Thermostat Sensing Bulb Clamp THERMOSTAT SENSING BULB The thermostat sensing bulb has been placed inside the heater for protection during shipping. Locating Thermostat Sensing Bulb 1. Remove front panel of heater (see Fig- ure 2, page 3). 2. Locate thermostat sensing bulb just u[...]

  • Page 10

    10 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com INST ALLA TION Continued Figure 12 - Folding Anchor Figure 13 - Popping Open Anchor Wings For Thin Walls Figure 14 - Mounting Heater Onto Mount- ing Bracket Horizontal Slots Mounting Bracket (attached to wall) Stand-Out Tab Installing Bottom Mounting Screws [...]

  • Page 11

    11 107101 OWNER’S MANUAL For more information, visit www.desatech.com INST ALLA TION Continued Continued Figure 16 - Attaching Heater to Hearth Base Figure 17 - Placing Hearth Insert on Heater Base and Attaching Brass Base Trim Mounting Heater to Optional Hearth Base 1. Lay heater on its back on a table with the bottom of heater overhanging the e[...]

  • Page 12

    12 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com INST ALLA TION Continued C. MOUNTING HEATER TO OPTIONAL MANTEL See Instructions Included With Mantel Kit Assembling Mantel IMPORTANT: Only use the optional man- tels specified in this manual. See Accesso- ries, pa ge 23 for proper mantel kits. This heater is[...]

  • Page 13

    13 107101 OWNER’S MANUAL For more information, visit www.desatech.com Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1/2 PSIG (3.5 kPa) 1. Disconnect appliance with its appliance main gas valve (control valve) and equip- ment shutoff valve from gas supply pip- ing system. Pressures in excess of 1/2 psig will damage heater r[...]

  • Page 14

    14 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com OPERA TING HEA TER TO TURN OFF GAS TO APPLIANCE Figure 22 - Pilot 7. Keep contr ol knob pressed in f or 30 seconds after lighting pilot. After 30 seconds, release contr ol knob . • If contr ol knob does not pop up when released, contact a qualif ied servic[...]

  • Page 15

    15 107101 OWNER’S MANUAL For more information, visit www.desatech.com Thermocouple Thermocouple Pilot Burner Pilot Burner OPERA TING HEA TER Continued THERMOSTAT CONTROL OPERATION The thermostatic control used on this heater differs from standard thermostats. Standard thermostats simply turn on and off the burner. The thermostat used on this heat[...]

  • Page 16

    16 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com TROUBLESHOOTING WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater. REMEDY 1. Replace ignitor 2. Replace ignitor 3. Reconnect ignitor cable 4. Free ignitor cable if pinched [...]

  • Page 17

    17 107101 OWNER’S MANUAL For more information, visit www.desatech.com REMEDY 1. Clean burner (see Cleaning and Mainte- nance , page 19) or replace burner orifice 2. Replace burner orifice 3. Contact local natural gas company 1. Contact local natural gas company 2. Clean burner (see Cleaning and Mainte- nance , page 19) or replace burner orifice 1[...]

  • Page 18

    18 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com 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 phon[...]

  • Page 19

    19 107101 OWNER’S MANUAL For more information, visit www.desatech.com CLEANING AND MAINTENANCE CABINET Air Passageways • Use a vacuum cleaner or pressurized air to clean. Exterior • Use a soft cloth dampened with a mild soap and water mixture. W ipe the cabi- net to remove dust. CAUTION: You must keep control areas, burner, and circu- lating [...]

  • Page 20

    20 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com ILLUSTRA TED PA R T S BREAKDOWN VMH3000TNSA 1 2 9 10 10 12 13 14 15 17 19 20 23 24 25 6 26 6 7 1 1 3 1 28 5 16 18 4 22 1 1 1 21 11 8 27[...]

  • Page 21

    21 107101 OWNER’S MANUAL For more information, visit www.desatech.com P ARTS LIST VMH3000TNSA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 19 of this manual. KEY VMH3000TNSA NO. PART NO. DESCRIPTION QTY. 1 098304-01 Screw, #10 x 3/8" 19 2 100566-[...]

  • Page 22

    22 107101 NA TURAL GAS RESIDENTIAL HEA TERS ® For more information, visit www.desatech.com TECHNICAL SER VICE You may have further questions about in- stallation, operation, or Trouble Shooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-323-5190. You can also visit DESA International’s technical service web si[...]

  • Page 23

    23 107101 OWNER’S MANUAL For more information, visit www.desatech.com PREMIER MANTEL Unfinished - GM903U Series Finished - GM902F Series White Lacquer Finish - GM904W (differs slightly from illustration) For use with heater. Features a built-in base. Sturdy hardwood construction with classic styling and attractive molding. Available in a walnut f[...]

  • Page 24

    KEEP THIS WARRANTY W ARRANTY INFORMA TION 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 [...]