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UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
OWNER'S OPERATION AND INSTALLATION MANUAL
FLAME-MAX™
Golden Oak Log
Design
18", 24", 30", and 36" Variable
Manually-Controlled Model
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 DO IF YOU SMELL GAS
• 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 your gas sup-
plier, call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
Models Also Designed Certified as Vented Decorative Appliances
This appliance may be installed in an aftermarket* manufactured (mobile) home, where
not prohibited by state or local codes. 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.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
FLAME-MAX™
Vintage Oak
Log Design
18" and 24" Variable
Manually-Controlled Models
Save this manual for future reference.
®
18", 24", and 30" Variable
Manually-Controlled Model
WARNING: Improper installation, adjust-
ment, alteration, service, or maintenance
can cause injury or property damage.
Refer to this manual for correct installa-
tion and operational procedures. For
assistance or additional information con-
sult a qualified installer, service agency,
or the gas supplier.
WARNING: This appliance has been spe-
cifically tested and design certified for
installation only in a solid-fuel burning
fireplace, including factory-built UL127
fireplaces and masonry fireplaces, or in
a listed ventless firebox
WARNING: This is an unvented gas-
fired heater. It uses air (oxygen) from
the room in which it is installed. Provi-
sions for adequate combustion and ven-
tilation air must be provided. Refer to
Air for Combustion and Ventilation sec-
tion on page 3 of this manual.
FLAME-MAX™
Birch
Log Design
®
Patent Pending
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Table of Contents
Related Manuals for Vanguard FLAME-MAX UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER
Summary of Contents for Vanguard FLAME-MAX UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER
- Page 1 UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER OWNER’S OPERATION AND INSTALLATION MANUAL FLAME-MAX™ Golden Oak Log Design 18", 24", 30”, and 36" Variable Manually-Controlled Model 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.
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Page 2: Safety Information
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER SAFETY INFORMATION WARNINGS WARNING ICON G 001 IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Flame-Max™ Standard Oak Logs Crossover Burner Front Log Back Log Piezo Ignitor Base Assembly Control Knob Flame-Max™ Golden Oak Logs One Piece Log Set Piezo Ignitor Burner Assembly Control Knob Flame-Max™ Birch Logs One Piece Log Set Piezo Ignitor Burner Assembly Control Knob Figure 1 - Product Identification... - Page 4 VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION Continued Unusually Tight Construction The air that leaks around doors and win- dows may provide enough fresh air for combustion and ventilation. However, in buildings of unusually tight construction, you must provide additional fresh air.
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Page 5: Ventilation Air
AIR FOR COMBUSTION AND VENTILATION Continued 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. -
Page 6: Installation
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION NOTICE: A qualified service per- son must install heater. Follow all local codes. NOTICE: State or local codes may only allow operation of this appli- ance in a vented configuration. Check your state or local codes. WARNING: Before installing in a solid fuel burning fireplace, the chimney flue and firebox must... - Page 7 INSTALLATION 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.
- Page 8 VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION Continued Mantel Clearances In addition to meeting non-combustible material clearances, you must also meet reaquired clearances between fireplace open- ing and mantel shelf. If you do not meet the clearances listed below, you will need a hood.
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Page 9: Installing Damper Clamp Accessory For Vented Operation
INSTALLATION Continued Floor Clearances A. If installing appliance on the floor level, you must maintain the minimum dis- tance of 14" to combustibles (see Fig- ure 8). Combust Combustible Material 14" Material Min. Non-Combustible Non-Combustible M Material Figure 8 - Minimum Fireplace Clearances If Installed at Floor Level B. -
Page 10: Connecting To Gas Supply
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION Continued 1. Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flex- ible gas hose to gas regulator of heater (see Figure 11). IMPORTANT: Hold gas regulator with wrench when connecting flexible gas hose. - Page 11 INSTALLATION 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.
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Page 12: Checking Gas Connections
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. -
Page 13: Installing Logs
INSTALLATION Continued INSTALLING LOGS 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. For Vintage Oak Model Each log is marked with a number. -
Page 14: Operating Heater
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER OPERATING HEATER 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. A. -
Page 15: Inspecting Burners
OPERATING HEATER Continued VARIABLE CONTROL OPERATION 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 the lowest setting provides realistic, dancing yellow flames. -
Page 16: Troubleshooting
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot When ignitor button is pressed, there is spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control knob is released WARNING: Turn off and un-... - Page 17 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 104256 OWNER’S MANUAL POSSIBLE CAUSE...
- Page 18 VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER 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.
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Page 19: Specifications
(3 lb. bag) TECHNICAL SERVICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564). SERVICE HINTS When gas pressure is too low • pilot will not stay lit •... -
Page 20: Illustrated Parts Breakdown
VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN FLAME-MAX™ VINTAGE OAK MODELS VYS18P AND VYS24P 20-2 20-1 ODS Pilot 20-1 20-2 104256... -
Page 21: Parts List
PARTS 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. VYS18P 102968-01 102969-01 102970-01 102775-02CK 102844-01 102966-01 098867-10 102798-01 102780-03 099056-21 102843-01 102963-01 102568-08 098508-01 098354-01... - Page 22 VANGUARD FLAME-MAX™ UNVENTED PROPANE/LP GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN FLAME-MAX™ GOLDEN OAK AND BIRCH LOG MODELS VYD18P, VYBD18P, VYD24P, VYBD24P,VYD30P, VYBD30P, AND VYD36P *Note: The Golden Oak Log (104254-01) for the VYD36P model differs slightly from drawing 19 - ODS Pilot 104256...
- Page 23 PARTS 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. VYD18P VYBD18P VYD24P 103517-01 – 102785-01 – 103520-01 – 098276-01 098276-01 098276-01 098249-01 098249-01 098249-01 102775-04CK 102775-04CK 102775-01CK 102775-01CK 102775-03CK 102775-03CK...
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Page 24: Warranty Information
VENT-FREE PROPANE GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for three (3) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.