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Vanguard Heating VMH26NR 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 HEAR TH ® FIREPLACE ® Shown with Optional Cabinet Mantel/Hearth Base Accessory 15,000 to 26,000 Btu/Hr Remote Contr ol Ready VMH26NR WARNING: If the information in this manual is not followed exactly, a fire or explosion [...]

  • Page 2

    2 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® DANGER: Carbon monoxide poisoning may lead to death! SAFETY INFORMA TION Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, or nausea. If you have these signs, the fire- place may not be working properly. Get fresh air at once! Hav[...]

  • Page 3

    3 104325 OWNER’S MANUAL 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 ANS Z223.1 , also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fir[...]

  • Page 4

    4 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® WARNING: Always have branch support and screen in place before operating fireplace. This prevents excessive tempera- tures on fireplace surfaces. Figure 2 - Assembling Fireplace Back Log Screen Branch Screw Screw Branch Support Screen Shipping Screw Shoulder Screw Burner Support ASSEMBL Y WARNI[...]

  • Page 5

    5 104325 OWNER’S MANUAL AIR FOR COMBUSTION AND VENTILA TION 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 heating months,[...]

  • Page 6

    6 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® AIR FOR COMBUSTION AND VENTILA TION Continued WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction, provide adequate combustion and ventilation air by one of the methods described in th[...]

  • Page 7

    7 104325 OWNER’S MANUAL 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 per- manent openings: one within 12" of the ceiling and one within 12" of the floor. Co[...]

  • Page 8

    8 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® WARNING: A qualified ser- vice person must install fireplace. Follow all local codes. 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. Purchase the op[...]

  • Page 9

    9 104325 OWNER’S MANUAL Figure 10 - Attaching Fireplace to Wall Studs Nailing Flanges Nails or Wood Screws INST ALLA TION Continued 36 5/8" 25 7/8" 51 3/4" 26 7/8" Figure 9 - Rough Opening for Installing in Corner 2. If installing GA3400(T) blower acces- sory , do so at this time. Follow instruc- tions included with blower acc[...]

  • Page 10

    10 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® Assembling Brass Trim (Brass trim shipped with mantel) 1. Remove packaging from three remain- ing pieces of brass trim. 2. Locate two adjusting plates with set screws, and two shims in the hardware packet. 3. Align shim under adjusting plate as shown in Figure 14. 4. Slide one end of adjusting[...]

  • Page 11

    11 104325 OWNER’S MANUAL 3 2 1 Continued Figure 15 - Removing Upper Louver Assembly and Branch Support INST ALLA TION Continued Blower Bracket Mounting Holes INSTALLING BLOWER ACCESSORY GA3400T Removing Upper Louver Assembly To install the blower accessory, you must first remove the upper louver assembly. 1. Lift screen off heater and remove log [...]

  • Page 12

    12 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® Red Red Fan Switch (Auto/Off/On) Blue Blue Thermostat Switch (N.O.) Green White Green White On 110/115 V.A.C. Blower Motor Black Off 1 2 3 Auto Red Red Fan Switch (Auto/Off/On) Blue Blue Thermostat Switch (N.O.) Green White Green White On 110/115 V.A.C. Blower Motor Black Off 1 2 3 Auto Figure[...]

  • Page 13

    13 104325 OWNER’S MANUAL CONNECTING TO GAS SUPPLY WARNING: A qualified ser- vice person must connect fire- place to gas supply. Follow all local codes. IMPORTANT: Check gas line pressure be- fore 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 dama[...]

  • Page 14

    14 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® INST ALLA TION Continued Figure 23 - Removing Branch Support From Fireplace CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed • Phillips screwdriver • sealant (resistant to propane/LP gas, not provided) 1. Remove fireplace screen. Remove two screws that hold fireplace screen in [...]

  • Page 15

    15 104325 OWNER’S MANUAL ON POSITION OFF POSITION Open Closed Manual Shutoff Valve Figure 25 - Manual Shutoff Valve Gas Meter Figure 26 - Checking Gas Joints Manual Shutoff Valve Test Pressures Equal To or Less Than 1/2 PSIG 1. Close manual shutoff valve (see Fig- ure 25). 2. Pressurize supply piping system by ei- ther using compressed air or ope[...]

  • Page 16

    16 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® OPTIONAL WALL MOUNTED THERMOSTAT - GWMT1 WARNING: Do not connect this thermostat to any electrical source! Electrical shock and/or fire hazard will occur. 1. Connect one terminal of 25 ft. wire to bottom contact of switch (see Figure 31, page 17). 2. Connect remaining wire terminal to the “T[...]

  • Page 17

    17 104325 OWNER’S MANUAL AUTO OFF ON W R INST ALLA TION Continued Figure 31 - Connecting Wire Terminals OPTIONAL WALL SWITCH - GWMS2 WARNING: Do not connect this switch to any electrical source! Electrical shock and/or fire hazard will occur. 6. Connect one bare wire end to each ter- minal (“W” and “R”) of the thermostat base (see Figure [...]

  • Page 18

    18 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® OPERA TING FIREPLACE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. LIGHTING INSTRUCTIONS A. This appliance has a pilot which must be lighted by hand. Wh[...]

  • Page 19

    19 104325 OWNER’S MANUAL TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. T urn contr ol knob clockwise to the OFF position. 2a. Set selector switch in the OFF position. 2b . If Using Optional Hand-Held Re- mote: Set selector switch in the OFF position to keep fr om draining battery . Shutting Off Burner Only (pilot stays lit) You may shut off[...]

  • Page 20

    20 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® OPERA TING FIREPLACE Continued Figure 37 - Thermostat Hand-Held Remote Control Unit Selections (GHRCT only) TEMP ST A TUS HI LO MAN ON AUT O OFF Increases Room Temperature Decreases Room Temperature Turns Burner On and Off Shows Current Operation Mode Shows Temperature Setting Allows Burner to[...]

  • Page 21

    21 104325 OWNER’S MANUAL BURNER FLAME PATTERN Figure 41 shows a correct burner flame pattern. Figure 42 shows an incorrect burner flame pattern. The incorrect burner flame pattern shows yellow tipping of the flame. It also shows the flame higher than one inch above the log. Note: When using the fireplace the first time, the flame will be yellow f[...]

  • Page 22

    22 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® TROUBLESHOOTING WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit. POSSIBLE CAUSE 1. Ignitor electrode not connected [...]

  • Page 23

    23 104325 OWNER’S MANUAL OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent[...]

  • Page 24

    24 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® 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[...]

  • Page 25

    25 104325 OWNER’S MANUAL CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep con- trol areas, burner, and circulating air passageways of fireplace clean. Inspect these areas of fire- place before each use. Have fire- place inspected yearly by a quali- fied service person. Fireplace may need mo[...]

  • Page 26

    26 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® 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 WIT[...]

  • Page 27

    27 104325 OWNER’S MANUAL AUTO MAN OFF STA TUS ON LO HI TEMP RECEIVER AND HAND-HELD THERMOSTAT REMOTE CONTROL KIT - GHRCT SERIES For all models. Allows the gas log heater to be operated in a manually or thermostati- cally controlled mode. You can turn the gas log heater on and off without ever leaving the comfort of your easy chair. RECEIVER AND H[...]

  • Page 28

    28 104325 COMP ACT CLASSIC HEAR TH FIREPLACE VMH26NR ® 39 37 38 4 22 40 11 28 30 12 7 35 25 10 9 7 23 1 2 43 43 8 14 6 24 33 19 34 31 32 13 41 21 5 26 18 15 27-1 27-2 43 3 43 29 16 18 3 17 42 36 4 4 20 43 ILLUSTRA TED PAR TS BREAKDOWN VMH26NR 11[...]

  • Page 29

    29 104325 OWNER’S MANUAL P AR TS LIST VMH26NR This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 27 of this manual. KEY NO. PART NO. DESCRIPTION QTY. 1 102633-02CK Outer Casing Top 1 2 102624-02 Outer Casing 1 3 099230-02 Shoulder Screw 16 4 098304-01 Sc[...]

  • Page 30

    2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 www.desatech.com 104325-01 REV. D 01/00 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 four (4) years and five (5) years on stainless steel burners from the d[...]