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Desa VFN24MV VFN30MV manual

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Table of contents for the manual

  • Page 1

    UNVENTED (VENT -FREE) NA TURAL GAS LOG HEA TER ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE OWNER’S OPERA TION AND INST ALLA TION MANUAL Save this manual for future reference. 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. — [...]

  • Page 2

    2 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER 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 try to light any appliance • do not touch any electrical switch; [...]

  • Page 3

    3 105070 OWNERS MANUAL PRODUCT IDENTIFICA TION Figure 1 - Ember Master Left Front Log Control Knob Rear Log Base Assembly Front Burner Piezo Ignitor Rear Burner Crossover Log Bottom Middle Log 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 , a[...]

  • Page 4

    4 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER Confined and Unconfined Space The National Fuel Gas Code, ANS Z223.1 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 the aggre- gate input rating of all appliances installed in that space and an un[...]

  • Page 5

    5 105070 OWNERS MANUAL DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms[...]

  • Page 6

    6 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER AIR FOR COMBUSTION AND VENTILA TION Continued 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[...]

  • Page 7

    7 105070 OWNERS MANUAL MINIMUM FIREPLACE CLEARANCE TO COMBUSTIBLE MATERIALS Log Size 18", 24", 30" Side Wall 16" Ceiling 42" Floor 5" INSTALLATION AND CLEARANCES (Vent-Free Operation Only) WARNING: Maintain the mini- mum clearances. If you can, pro- vide greater clearances from floor, ceiling, and adjoining wall. LOG S[...]

  • Page 8

    8 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER Noncombustible Requirements for Material Distance (A) Safe Installation 12" or more Noncombustible material OK. Between 8" and 12" 24" and 30" Models: Install fireplace hood accessory (HDABK or HDABR, see Accessories , page 22). 18" Model[...]

  • Page 9

    9 105070 OWNERS MANUAL 14" Min. Combustible Material Non-Combustible Material Figure 8 - Minimum Fireplace Clearances If Installed at Floor Level Hearth 5" Min. Combustible Material Figure 9 - Minimum Fireplace Clearances Above Combustible Flooring FLOOR CLEARANCES A. If installing appliance on the floor level, you must maintain the minim[...]

  • Page 10

    10 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER INST ALLA TION Continued INSTALLING HEATER BASE ASSEMBLY WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING: If installing in a sunken fireplace, special care is need[...]

  • Page 11

    11 105070 OWNERS MANUAL 10. Attach mounting brackets to fireplace floor using masonry screws (in hard- ware package). 1 1 . Reattach heater base to mounting brackets. T ighten nuts firmly . Heater Gas Regulator Flexible Gas Hose (if allowed by local codes) Figure 11 - Attaching Flexible Gas Hose to Heater Gas Regulator Figure 12 - Attaching Heater [...]

  • Page 12

    12 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once. WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all[...]

  • Page 13

    13 105070 OWNERS MANUAL INST ALLA TION Continued WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in prop- erty damage or personal injury. INSTALLING LOGS Each log is marked with a number. These numbers will help you identify the log when instal[...]

  • Page 14

    14 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER Figure 22 - Pilot Thermocouple Ignitor Electrode Pilot Burner 4. W ait fi ve (5) minutes to clear out any gas. Then smell f or gas, including near the floor . If you smell gas, STOP! F ollow “B” in the safety in- formation, column 1. If y ou don’t smell gas, go[...]

  • Page 15

    15 105070 OWNERS MANUAL TO TURN OFF GAS TO APPLIANCE WARNING: Do not operate heater between locked positions. CAUTION: Do not try to ad- just heating levels by using the equipment shutoff valve. The variable control valve can be set to any heat setting and flame height desired, by simply turning the control knob until that setting is attained. Even[...]

  • Page 16

    16 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER SPECIFICA TIONS 18" Variable 24" Variable 30" Variable Manually- Manually- Manually- Controlled Controlled Controlled Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000 Type Gas Natural Gas Only Natural Gas Only Natural Gas Only Ignition Piezo Pi[...]

  • Page 17

    17 105070 OWNERS MANUAL TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice 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. P[...]

  • Page 18

    18 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial operation Heater produces a[...]

  • Page 19

    19 105070 OWNERS MANUAL 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 phone. Follow the gas supplier’s instructions. • If you cannot reach[...]

  • Page 20

    20 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER ILLUSTRA TED PA R T S BREAKDOWN VARIABLE MANUALLY- CONTROLLED MODELS VFN18MV VFN24MV VFN30MV 17 19 18 25 24 20 20 26 27 28 6 7 27 27 24 9 8 10 11 12 14 21 22 26-1 26-2 23 6-1 6-2 13 15 16 4 5 3 2 1R 1L[...]

  • Page 21

    21 105070 OWNERS MANUAL P ARTS LIST VARIABLE MANUALLY- CONTROLLED MODELS VFN18MV VFN24MV VFN30MV This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 22 of this manual. KEY PART NUMBER FOR NO. VFN18MV VFN24MV VFN30MV DESCRIPTION QTY. 1L 105241-01 105241-02 1059[...]

  • Page 22

    22 105070 FIREPLACE MANUF ACTURERS INCORPORA TED UNVENTED NA TURAL GAS LOG HEA TER Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), call Fireplace Manfuacturers I[...]

  • Page 23

    23 105070 OWNERS MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ ________________________________[...]

  • Page 24

    LIMITED WARRANTY VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for one (1) year from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions. To make a claim under this wa[...]