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Vanguard Heating VMH10TN 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 COMP ACT CLASSIC HEARTH  FIREPLACE ® Shown with Optional Cabinet Mantel/Hearth Base Accessory ® 10,000 Btu/Hr with Thermostat VMH10TN This appliance may be installed in a bedroom where not prohibited by state or local codes. This appli[...]

  • Page 2

    2 103670 CONTENTS SECTION PAGE Safety Information continues on next page Safety Information ................................................................................... 2 Product Identification .............................................................................. 4 Local Codes ........................................................[...]

  • Page 3

    3 103670 SAFETY INFORMA TION Continued WARNING ICON G 001 W ARNINGS Continued WARNING: Any change to this fireplace or its controls can be dangerous. 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. If you smell gas • shut off gas supply • do not[...]

  • Page 4

    4 103670 PRODUCT IDENTIFICA TION LOCAL CODES Install and use fireplace with care. Follow all local codes. In the absence of local codes, use the latest edition of The National Fuel Gas Code ANSI Z223, also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Associ[...]

  • Page 5

    5 103670 ASSEMBL Y ASSEMBLING FIREPLACE Tools Required: Phillips screwdriver, 5/16" hex wrench, and slotted screwdriver Installing Log 1. Remove back log, branch, and hood from log box. Discard protective packaging. 2. Remove two shipping screws above screen (see Figure 2). 3. Lift screen up and pull out to remove. 4. An optional blower is ava[...]

  • Page 6

    6 103670 AIR FOR COMBUSTION AND VENTILA TION WARNING ICON G 001 W ARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. Today’s homes are built more[...]

  • Page 7

    7 103670 AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING FRESH-AIR FLOW FOR FIREPLACE 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 fireplace plus any adjoining rooms with doorless passageways or[...]

  • Page 8

    8 103670 AIR FOR COMBUSTION AND VENTILA TION Continued Figure 4 - Ventilation Air from Inside Building Shown with Optional Mantel WARNING ICON G 001 W ARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide adequate combus- tion and ventilation air by one of the methods described in the Na[...]

  • Page 9

    9 103670 AIR FOR COMBUSTION AND VENTILA TION Continued Figure 5 - Ventilation Air from Outdoors Shown with Optional Mantel Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items d[...]

  • Page 10

    10 103670 NOTICE A qualified service person must install fireplace. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural gas, do not install fireplace. Call the dealer where you bought your fireplace for the proper type fireplace. INSTALLATION ITEMS Before installing fireplace, make sure you have the items [...]

  • Page 11

    11 103670 Figure 7 - Mounting Clearances As Viewed From Front of Fireplace Shown with Optional Mantel WARNING ICON G 001 CAUTION If you install the fireplace in a home garage • fireplace pilot and burner must be at least 18 inches above floor. • locate fireplace where moving vehicle will not hit it. INST ALLA TION Continued For convenience and [...]

  • Page 12

    12 103670 INST ALLING Continued 36 5/8" 25 7/8" 51 3/4" 26 7/8" Figure 9 - Rough Opening for Installing in Corner 2. An optional blower accessory is available (see Accessories , page 29). There are three options for connecting blower to electrical source. Option one: Install fireplace near an electrical outlet. See Blower Instru[...]

  • Page 13

    13 103670 INST ALLING Continued Continued 5. Carefully set fireplace in front of rough opening with back of fireplace inside wall opening. 6. Attach flexible gas line to fireplace gas regulator. See Connecting Fireplace to Gas Supply, page 17. 7. If the optional blower has been installed connect blower to electrical source. Options one and two: Rou[...]

  • Page 14

    14 103670 INST ALLING Continued Figure 12 - Attaching Brass Trim to Fireplace Shoulder Screws Assembled Brass Trim OPTIONAL MANTEL INSTALLATION Note: Refer to instructions provided with the mantel for assembly instructions. Refer to instructions below for system installation. Refer to instructions on page 5 for firebox assembly. Blower accessory sh[...]

  • Page 15

    15 103670 Attaching Wood Base to Solid Floor For attaching base to solid floors (concrete or masonry) Note: Floor anchors and mounting screws are in hardware package. The hardware package is provided with fireplace. 1. Drill holes at marked locations using 5/16" drill bit. For solid floors (concrete or masonry), drill at least 1" deep. 2.[...]

  • Page 16

    16 103670 CONNECTING T O GAS SUPPL Y NOTICE A qualified service person must connect fireplace to gas supply. Follow all local codes. IMPORTANT: Check gas line pressure before connecting fireplace to gas line. Gas line pressure must be no greater than 14 inches of water. If gas line pressure is higher, fireplace regulator damage could occur. Install[...]

  • Page 17

    17 103670 CONNECTING T O GAS SUPPL Y Continued Continued Figure 17 - Removing Log Base Assembly From Fireplace CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed • Phillips screwdriver • sealant (resistant to propane gas, not provided) 1. Remove fireplace screen. Remove two screws that hold fireplace screen in place for shipping. Thes[...]

  • Page 18

    18 103670 ON POSITION OFF POSITION PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1/2 PSIG 1. Disconnect fireplace and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 psig will damage fireplace regulator. 2. Cap off open end of gas pipe where manual shutoff valve was connected. 3.[...]

  • Page 19

    19 103670 OPERA TING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING Continued WARNING ICON G 001 W ARNING If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. LIGHTING INSTRUCTIONS 1. STOP! Read the safety information above. 2. Make sure manual shutoff valve is ful[...]

  • Page 20

    20 103670 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information at the top of page 19. If you don’t smell gas, go to the next step. 5. Turn control knob counterclockwise C-clockwise to the PILOT position. Press in control knob for five (5) seco[...]

  • Page 21

    21 103670 T O TURN OFF GAS TO APPLIANCE Shutting Off Fireplace 1. Turn control knob clockwise Clockwise to the OFF position. 2. Turn off all electric power to the appliance if service is to be performed. Shutting Off Burner Only (pilot stays lit) 1. Turn control knob clockwise Clockwise to the PILOT position. THERMOST A T CONTROL OPERA TION The the[...]

  • Page 22

    22 103670 INSPECTING BURNER Thermocouple Pilot Burner Figure 23 - Correct Pilot Flame Pattern Thermocouple Pilot Burner Figure 24 - Incorrect Pilot Flame Pattern Check pilot flame pattern and burner flame pattern often. PILOT FLAME PATTERN Figure 23 shows a correct pilot flame pattern. Figure 24 shows an incorrect pilot flame pattern. The incorrect[...]

  • Page 23

    23 103670 BURNER FLAME PATTERN Figure 25 shows a correct burner flame pattern. Figure 26 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows the flame consistantly higher than one inch above the log. If burner flame pattern is incorrect, as shown in Figure 26 • turn fireplace off (see To Turn Off Gas to Appliance , p[...]

  • Page 24

    24 103670 CLEANING AND MAINTENANCE ODS/PILOT AND BURNER • Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean. 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. Wipe the cabinet to remove dust. TROUBLE- SHOOTING Note: A[...]

  • Page 25

    25 103670 Continued TROUBLE- SHOOTING Continued REMEDY 1. Turn on gas supply or open manual shutoff valve 2. Turn control knob to PILOT position 3. Press in control knob while in PILOT position 4. Continue holding down control knob. Repeat igniting opera- tion until air is re- moved 5. Clean ODS/pilot (see Cleaning and Mainte- nance, page 24) or re[...]

  • Page 26

    26 103670 OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Slight smoke or odor during initial operation Fireplace produces a whistling noise when burner is lit REMEDY 1. Clean burner (see Cleaning and Mainte- nance , page 24) or replace burner orifice 2. Replace burner ori[...]

  • Page 27

    27 103670 TROUBLE- SHOOTING Continued WARNING ICON G 001 W ARNING 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 canno[...]

  • Page 28

    28 103670 TECHNICAL SER VICE You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. SPECIFICA TIONS REPLACEMENT P ARTS Input Rate 10,000 Btu/Hr Type Gas Natural Only Ignition Piezo Pressure Regulator Setting 3" W.C. Inlet Gas Pressu[...]

  • Page 29

    29 103670 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they cannot supply these accessories call DESA International’s Sales Department at 1-800-458-2472 for referral information. You can also write to the address listed on the back page of this manual. CABINET MANTEL WITH BUILT-IN HEARTH BASE Unfinished - GM921U Fin[...]

  • Page 30

    30 103670 12-1 12-2 23 29 32 36 37 13 7 33 11 8 10 8 7 30 3 1 2 9 17 19 6 22 31 21 40 27 38 38 16 15 18 24 28 5 34 26 25 20 42 35 12 24 12-1 25 14 4 39 41 VMH10TN[...]

  • Page 31

    31 103670 P ARTS LIST This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. KEY VMH10TN NO. PART NO. DESCRIPTION QTY. 1 102633-01 Outer Casing Top 1 2 102624-02 Outer Casing 1 3 099230-02 Shoulder Screw 4 4 098304-01 Screw, #10 x 3/8" [...]

  • Page 32

    2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 103670-01 REV. B 08/97 LIMITED WARRANTY VENT-FREE NATURAL GAS COMPACT CLASSIC HEARTH  FIREPLACE DESA International warrants this product to be free from defects in materials and components for three (3) years and five (5) years on stainless steel burners from the date of first pur[...]