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UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATER
VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED
OWNER'S OPERATION AND INSTALLATION MANUAL
FLAME-MAX
Golden Oak Log
Design
18", 24", 30", and 36"
Remote Ready 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 supplier,
call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in
which it is installed. Provisions for adequate combustion and ventilation air must be
provided. Refer to Air for Combustion and Ventilation section on page 4 of this manual.
This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by
state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
AS A VENTED DECORATIVE APPLIANCE
®
Save this manual for future reference
®
WARNING: Improper installation, ad-
justment, alteration, service, or main-
tenance can cause injury or property
damage. Refer to this manual for cor-
rect installation and operational pro-
cedures. For assistance or additional
information consult a qualified installer,
service agency, or the gas supplier.
WARNING: This appliance is for in-
stallation only in a solid-fuel burning
masonry, UL127 factory-built fireplace,
or in an approved ventless firebox. It
is design certified for these installa-
tions in accordance with ANS Z21.11.2.
Exceptions: Do not install this appli-
ance in a factory-built fireplace that
includes instructions stating it has
not been tested or should not be used
with unvented gas logs.
®
Patent Pending
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Table of Contents
Related Manuals for Vanguard UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER
Summary of Contents for Vanguard UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER
- Page 1 UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE OWNER’S OPERATION AND INSTALLATION MANUAL ® FLAME-MAX Golden Oak Log Design 18", 24", 30", and 36" Remote Ready 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 NATURAL 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 Golden Oak Logs Optional Remote Control Piezo Ignitor Optional Flame Selector Adjustment Switch Knob Figure 1 - Product Identification 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 ANS Z223.1, also known as NFPA 54*. -
Page 4: Air For Combustion And Ventilation
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ven- tilation air. Read the following in- structions to insure proper fresh air for this and other fuel-burning appliances in your home. -
Page 5: Determining Fresh-Air Flow For Heater Location
AIR FOR COMBUSTION AND VENTILATION Continued 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: Ventilation Air
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION 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: Installation
INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using log heater. - Page 8 VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER 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, noncombustible material above fireplace opening is not needed.
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Page 9: Mantel Clearances
INSTALLATION Continued MANTEL CLEARANCES In addition to meeting noncombustible ma- terial clearances, you must also meet re- quired clearances between fireplace opening and mantel shelf. If you do not meet the clearances listed below, you will need a hood. Determining Minimum Mantel Clearance If you meet minimum clearance between mantel shelf and top of fireplace opening, a... -
Page 10: Installing Damper Clamp Accessory For Vented Operation
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION 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. - Page 11 INSTALLATION Continued Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • sealant (resistant to LP gas, not provided) • electric drill with 3/16" drill bit (metal or masonry as applicable) •...
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Page 12: Connecting To Gas Supply
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued CONNECTING TO GAS SUPPLY NOTICE: A qualified service per- son must connect heater to gas supply. Follow all local codes. Installation Items Needed Before installing heater, make sure you have the items listed below. -
Page 13: Checking Gas Connections
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 14: Installing Logs
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER 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 prop- erty damage or personal injury. CAUTION: After installation and periodically thereafter, check to ensure that no flame comes in... -
Page 15: Operating 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. This appliance has a pilot which must be lighted by hand. -
Page 16: To Turn Off Gas To Appliance
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Continued 8. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. • If control knob does not pop out when released, contact a qualified service person or gas supplier for repairs. -
Page 17: Inspecting Burners
OPERATING HEATER Continued IMPORTANT: This remote control has been specially engineered to take an air temperature sample ev- ery 5.5 minutes in the AUTO mode. It will not respond immediately to the temperature setting being turned up or down. IMPORTANT: The hand-held re- mote control unit must be near the heater. -
Page 18: Cleaning And Maintenance
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER CLEANING AND MAINTENANCE WARNING: Turn off heater and let cool before cleaning. CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied service person. -
Page 19: Troubleshooting
TROUBLESHOOTING Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. 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... - Page 20 VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER 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 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 walls or furniture...
- Page 21 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.
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Page 22: Illustrated Parts Breakdown
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN ® FLAME-MAX GOLDEN OAK LOG MODELS VYD18NRA, VYD24NRA, VYD30NRA, AND VYD36NR * Note: The Golden Oak Log (104254-01) for the VYD36NR model differs slightly from the log shown. ® 105273... -
Page 23: Parts List
PARTS LIST VYD18NRA, VYD24NRA, VYD30NRA, AND VYD36NR PART NUMBER FOR VYD18NRA VYD24NRA 105268-01 105268-02 103779-01 103779-01 098249-01 098249-01 104422-01 103342-01 098264-02 098264-02 102843-01 102843-01 099056-26 099056-16 – 102966-01 102980-01 102772-01 099387-15 099387-12 103781-01 103781-01 103345-02 103345-01 M11084-38 M11084-38 104384-01 102775-06CK 098271-07 098271-07 102445-01... -
Page 24: Specifications
VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER WIRING DIAGRAM Note : For proper operation of optional ac- cessories, the wires from the switch to the control must be connected exactly as shown. SPECIFICATIONS Golden Oak 18" Remote Ready Btu (Variable) 16,000/30,000 Type Gas Natural Gas Only... - Page 25 ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International’s Parts Department at 1-800-972-7879 for referral information. You can also write to the ad- dress listed on the back page of this manual. MANUAL SHUTOFF VALVE - GA5010 For all models.
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Page 26: Warranty Information
WARRANTY INFORMATION Model Serial No. Date Purchased 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. VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for four (4) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.