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Vanguard Heating WMH26TNB manual

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Table of contents for the manual

  • Page 1

    VMH26TPB VMH26TNB 14,000 to 26,000 Btu/Hr with Thermostat ® 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 [...]

  • Page 2

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 2 IMPORTANT: Read this owner ’ s manual carefully and completely before trying to assemble, operate, or ser- vice this fireplace. Improper use of this fireplace can cause serious injury or death from burns, fire, explo- sion, electrical shock, and[...]

  • Page 3

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 3 3 1. This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases. 2. Do not place propane/LP supply tank(s) inside any structure. Locate propane/LP supply tank(s) ou[...]

  • Page 4

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 4 ASSEMBL Y WARNING: Always have branch support and screen in place before operating fireplace. This pre- vents excessive temperatures on fireplace surfaces. WARNING: Failure to position the parts in accor- dance with these diagrams or failure to us[...]

  • Page 5

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 5 5 Figure 4 - Assembling Hood Hood Tabs Hood Louver Hood Tab Baffle Sheet Metal Screw Firebox Top Assembling Hood 1. Locate four black phillips sheet metal screws from the hard- ware packet. 2. Rotate hood as shown in Figure 4 . Make sure hood tabs[...]

  • Page 6

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 6 AIR FOR COMBUSTION AND VENTILA TION Continued Confined and Unconfined Space The National Fuel Gas Code, ANSI Z223.1.3/ NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1,000 Btu per hour (4.8 m 3 per kw) of t[...]

  • Page 7

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 7 7 Figure 6 - Ventilation Air from Outdoors Shown with Optional Mantel Outlet Air Ventilated Attic Outlet Air Inlet Air Inlet Air Ventilated Crawl Space To Crawl Space To Attic AIR FOR COMBUSTION AND VENTILA TION Continued VENTILATION AIR Ventilati[...]

  • Page 8

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 8 You can recess firebox into the wall. You can also position fireplace in the optional cabinet or corner mantels. IMPORTANT: Only use optional cabinet or corner mantels specified in this manual. Pur- chase the optional mantel from your dealer (see [...]

  • Page 9

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 9 9 INST ALLA TION Continued 1. Frame in rough opening. Use dimensions shown in Figure 9 for the rough opening. If installing in a corner , use dimensions shown in Figure 10 for the rough opening. The height is 26 7 / 8 " which is the same as t[...]

  • Page 10

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 10 INST ALLA TION Continued Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. NOTICE: If your installation does not meet the min[...]

  • Page 11

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 11 11 Figure 13 - Attaching Brass Trim to Fireplace Figure 14 - Attaching Wood Base to Floor 5. Firmly snap brass trim kit on shoulder screws. Shoulder screws are located on fireplace cabinet (see Figure 13). 6. Align brass trim kit for flush fit ar[...]

  • Page 12

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 12 3 2 1 3. Note the wire locations on back of AUTO/OFF/ON switch. The terminals on back of switch are numbered 1, 2, and 3. Carefully remove red wire from terminal 1 and blue wire from terminal 3. Black wire can remain on middle terminal 2 (see Fig[...]

  • Page 13

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 13 13 3 2 1 Figure 19 - Installing Switch Plate to Valve Cover Shield Switch Plate Screw Valve Cover Shield INST ALLA TION Continued 9. Install the switch plate on the valve cover shield with 2 #10 screws provided (see Figure 18, page 12). Reinstall[...]

  • Page 14

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 14 CONNECTING TO GAS SUPPLY WARNING: A qualified service person must con- nect fireplace to gas supply. Follow all local codes. CAUTION: Never connect propane/LP fireplace directly to the propane/LP supply. This fireplace requires an external regula[...]

  • Page 15

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 15 15 We recommend that you install a sediment trap in supply line as shown in Figure 24. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sediment trap where trapped matter [...]

  • Page 16

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 16 ON POSITION OFF POSITION 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 equipment shutoff valve from gas supply piping. Pres- [...]

  • Page 17

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 17 17 LIGHTING INSTRUCTIONS Ignitor Button Figure 30 - Control Knob In The OFF Position Control Knob WARNING: You must operate this fireplace with the fireplace screen in place. Make sure fireplace screen is installed before running fireplace. NOTIC[...]

  • Page 18

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 18 TO TURN OFF GAS TO APPLIANCE The thermostatic control used on this fireplace differs from standard thermostats. Standard thermostats simply turn on and off the burner. The thermostat used on this fireplace senses the room temperature. The thermos[...]

  • Page 19

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 19 19 BURNER FLAME PATTERN Figure 35 shows a correct burner flame pattern. Figure 36 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows sporadic, irregular flame tipping. The flame should not be dark or have an orange/[...]

  • Page 20

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 20 TROUBLESHOOTING WARNING: Turn off and unplug fireplace and let cool before servic- ing. Only a qualified service person should service and repair fireplace. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage [...]

  • Page 21

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 21 21 REMEDY 1. Clean burner (see Cleaning and Mainte- nance , page 19) or replace burner orifice 2. Contact local propane/LP or natural gas company 1. Contact local propane/LP or natural gas company 2. Clean burner (see Cleaning and Mainte- nance ,[...]

  • Page 22

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 22 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 neigh[...]

  • Page 23

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 23 23 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA Heating Products’ Technical Service Department at 1-866-672-6040. When calling, please have your model and serial number[...]

  • Page 24

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 24 ILLUSTRA TED P ARTS BREAKDOWN MODELS VMH26TPB (Shown) AND VMH26TNB 12 23 29 40 32 36 38 13 7 8 33 40 11 10 4 7 30 1 3 2 9 17 19 6 22 31 21 41 26 42 39 39 16 15 18 24 28 5 34 25 27 20 4 35 12 24 12-1 14 25 14 40 3 37 ILLUSTRATED PARTS BREAKDOWN Mo[...]

  • Page 25

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 25 25 P ARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, fol- low the instructions listed under Replace- ment Parts on page 23 of this manual. ** Part not available for field replacement. KEY PART NO. NO. V[...]

  • Page 26

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 26 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they cannot supply these accessories call DESA Heating Products’ Sales Department at 1-866-672-6040 for referral information. You can also write to the address listed o[...]

  • Page 27

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 27 27 1. Where will the product be used? ❍ Living/F amily Room ❍ Office/W arehouse ❍ Utility Shed/Outbuilding ❍ Garage ❍ Bedroom ❍ Bathroom ❍ Other 2. If y ou bought this product yourself , did you plan to purchase this type of product[...]

  • Page 28

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 28 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 Postage Required T APE T APE[...]

  • Page 29

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 29 29 NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________________________[...]

  • Page 30

    111043-01A For more information, visit www.desatech.com For more information, visit www.desatech.com 30 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 111043-01 Rev. A 04/03 LIMITED WARRANTY VENT-FREE COMPACT CLASSIC HEARTH ® FIREPLACE DESA Heating Products warrants this product to be free from defects in materi[...]