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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 1
Save this manual for future reference. UNVENTED (VENT -FREE) PROP ANE/LP GAS LOG HEA TER 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 o ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 2
2 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ SAFETY INFORMA TION DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning re- semble the flu, with headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get fresh air at ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 3
3 104256 OWNER’S MANUAL 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 ANSI Z223 , also known as NFPA 54*. *Available from: American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 National Fire Protection Association, In ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 4
4 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ DETERMINING 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 ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 5
5 104256 OWNER’S MANUAL WARNING: If the area in which the heater may be operated is smaller than that defined as an unconfined space, provide ad- equate combustion and ventila- tion air by one of the methods described in the National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or applicable local codes. AIR FOR COMBUSTION AND VENTILA TION Conti ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 6
6 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ LOG SIZING REQUIREMENTS Log Minimum Firebox Size Height Depth Front Width 18" 17" 14" 20" 24" 17" 14" 26" 30" 17" 14" 32" 36” 17” 14” 38” INSTALLATION AND CLEARANCES (Vent-Free Operation Only) Figure 4 - Minimum C ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 7
7 104256 OWNER’S MANUAL INST ALLA TION Continued NOTICE: Manual control heaters may be used as a vented product. If so, you must always run heater with chimney flue damper open. If running heater with damper open, non-combustible material above fireplace opening is not needed. Go to Installing Damper Clamp Accessory for Vented Op- eration, page 9 ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 8
8 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ Figure 7 - Minimum Mantel Clearances When Using Hood Minimum Non- Combustible Material 8" Min. 12" 15" 18" All minimum distances are in inches Log Sets 18", 24", and 30" Models 20" 2 1 /2 " 6" 8" 10" 12" Distances to ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 9
9 104256 OWNER’S MANUAL INST ALLA TION Continued INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appli- ance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of non combustible material. If your heater is a manually controlled model, you may use this heater as ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 10
10 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ CONNECTING TO GAS SUPPLY NOTICE: A qualified service per- son must connect heater to gas supply. Follow all local codes. CAUTION: Never connect heater directly to the propane supply. This heater requires an external regulator (not supplied). Install the external regulator be- twe ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 11
11 104256 OWNER’S MANUAL INST ALLA TION Continued The installer must supply an external regu- lator. The external regulator will reduce incoming gas pressure. You must reduce incoming gas pressure to between 11 and 14 inches of water. If you do not reduce incom- ing gas pressure, heater regulator damage could occur. Install external regulator wit ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 12
12 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ ON POSITION OFF POSITION INST ALLA TION Continued Figure 15 - Manual Shutoff Valve Open Closed Manual Shutoff Valve Figure 16 - Checking Gas Joints Control Valve Location Propane Supply Tank Manual Shutoff Valve Pressure Testing Gas Supply Piping System Test Pressures In Excess O ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 13
13 104256 OWNER’S 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 property damage or personal in- jury. INSTALLING LOGS For Vintage Oak Model Each log is marked with a number. These numbers will help you ide ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 14
14 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ 1. STOP! Read the safety inf ormation above. 2. Make sur e manual shutoff valve is fully open. 3. Press in and tur n control knob clock- wise Clockwise to the OFF position. Figure 23 - Pilot OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low t ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 15
15 104256 OWNER’S MANUAL OPERA TING HEA TER Continued TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Press in and tur n control knob clock- wise Clockwise to the HIGH position. 2 . T urn the contr ol knob clockwise Clockwise to the PILOT position. 3. Press in control knob and tur n clock- wise Clockwise to the OFF Position. Shutting Off Burn ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 16
16 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ 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 ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 17
17 104256 OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition burner Burner backfiring during combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit Moisture/condensation noticed on windows REMEDY 1. Contact local natural g ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 18
18 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ 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 su ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 19
19 104256 OWNER’S MANUAL SPECIFICA TIONS Golden Oak Golden Oak Vintage Oak Vintage Oak and Birch and Birch 18" Variable 24" Variable 18" Variable 24 ” , 30 ” , and 36" Manually Manually Manually Variable Controlled Controlled Controlled Manually Controlled Btu (Variable) 16,000/27,000 16,000/31,500 16,000/30,000 20,000/39, ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 20
20 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ ILLUSTRA TED PA R T S BREAKDOWN FLAME-MAX ™ VINTAGE OAK MODELS VYS18P AND VYS24P 4 1 2 3 12 21 10 11 21 7 21 5 6 8 9 15 14 16 19 22 18 13 19 17 20-2 20-1 20 18 23 20-1 20-2 ODS Pilot ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 21
21 104256 OWNER’S MANUAL P ARTS LIST 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 PART NUMBER FOR NO. VYS18P VYS24P DESCRIPTION QTY. 1 102968-01 102968-02 Back Log (#1) 1 2 102969-01 102969-02 Front Log (#2) 1 3 102970-01 102970 ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 22
22 104256 UNVENTED PROP ANE/LP GAS LOG HEA TER V ANGUARD FLAME-MAX™ ILLUSTRA TED PA R T S BREAKDOWN FLAME-MAX ™ GOLDEN OAK AND BIRCH LOG MODELS VYD18P, VYBD18P, VYD24P, VYBD24P,VYD30P, VYBD30P, AND VYD36P 4 20 10 11 12 20 7 20 20 5 6 9 8 15 14 16 18 2 17 13 18 3 19 17 1A 1B *Note: The Golden Oak Log (104254-01) for the VYD36P model differs slig ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 23
23 104256 OWNER’S MANUAL P ARTS LIST 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 PART NUMBER FOR NO. VYD18P VYBD18P VYD24P VYBD24P VYD30P VYBD30P VYD36P DESCRIPTION QTY. 1A 103517-01 – 102785-01 – 103519-01 – 104254-01 Lo ...
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Desa UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER - page 24
KEEP THIS WARRANTY W ARRANTY INFORMA TION 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 our standard written warranty. We make no other warranty, expressed or implied. Model Serial No. Date Purchased LIMITED ...
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