Vanguard Flame-Max Owner's Manual

Unvented (vent-free) natural gas log heater

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NATURAL GAS LOG HEATER
REMOTE READY MODELS ALSO DESIGN-CERTIFIED AS A
OWNER'S OPERATION AND INSTALLATION MANUAL
®
FLAME-MAX
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, per-
sonal 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 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
UNVENTED (VENT-FREE)
VENTED DECORATIVE APPLIANCE
Golden
FLAME-MAX
18", 24", and 30"
Remote Ready Models
Save this manual for future reference
®
Birch
Log Design
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 as-
sistance or additional information con-
sult a qualified installer, service agency,
or the gas supplier.
WARNING: This appliance is for installa-
tion only in a solid-fuel burning masonry
or UL127 factory-built fireplace, or in an
approved ventless firebox. It is design
certified for these installations in accor-
dance with ANS Z21.11.2. Exception: Do
not install this appliance 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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Summary of Contents for Vanguard Flame-Max

  • Page 1 ® UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER REMOTE READY MODELS ALSO DESIGN-CERTIFIED AS A VENTED DECORATIVE APPLIANCE OWNER’S OPERATION AND INSTALLATION MANUAL ® FLAME-MAX Golden ® FLAME-MAX Birch Oak Log Design Log Design 18", 24", and 30" 18", 24", 30", and 36"...
  • Page 2: Safety Information

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER SAFETY Before installing in a solid fuel burn- Due to high temperatures, the ing fireplace, the chimney flue and fire- appliance should be located out INFORMATION box must be cleaned of soot, creosote,...
  • Page 3: Local Codes

    SAFETY IDENTIFICATION FEATURES INFORMATION Continued OPERATION Flame-Max ® 14. Turn heater off and let cool before ser- Golden Oak Logs This heater is clean burning. It requires no vicing, installing, or repairing. Make outside venting. There is no heat loss out a...
  • Page 4: Air For Combustion And Ventilation

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER AIR FOR PROVIDING ADEQUATE Confined and Unconfined Space VENTILATION COMBUSTION AND The National Fuel Gas Code, ANS Z223.1 defines a confined space as a space whose The following are excerpts from National...
  • Page 5: Determining Fresh-Air Flow For Heater Location

    OWNER’S MANUAL 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 12" VENTILATION Continued Ventilation VENTILATION AIR Ventilation Grills Grills Into Adjoining Room, Into Adjoining Ventilation Air From Inside Option 2 Room, Building Remove Option 1 Door into...
  • Page 7: Check Gas Type

    OWNER’S MANUAL INSTALLATION INSTALLATION AND WARNING: Never install the CLEARANCES heater (Vent-Free Operation Only) NOTICE: This heater is intended • in a bedroom or bathroom un- for use as supplemental heat. Use less installed as a vented ap- this heater along with your pri- pliance (see page 10) WARNING: Maintain the mini- mary heating system.
  • Page 8 ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION If Using Mantel Even if noncombustible material is more than 12", you may need the hood accessory You must have noncombustible material(s) Continued to deflect heat away from your mantel shelf.
  • Page 9: Mantel Clearances

    OWNER’S MANUAL INSTALLATION Mantel Shelf 10" Underside of Continued 8" Mantel Shelf 6" MANTEL CLEARANCES " In addition to meeting noncombustible ma- terial clearances, you must also meet required All minimum clearances between fireplace opening and distances are mantel shelf. If you do not meet the clearances in inches listed below, you will need a hood.
  • Page 10: Installing Damper Clamp Accessory For Vented Operation

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION INSTALLING HEATER BASE See chart below for minimum permanent flue opening you must provide. Attach ASSEMBLY Continued damper clamp so the minimum permanent flue opening will be maintained at all times.
  • Page 11 OWNER’S MANUAL INSTALLATION Continued Installation Items Needed • hardware package (provided with heater) Flexible Gas • approved flexible gas hose (not provided) Hose (if allowed (if allowed by local codes) Fitting by local codes) • sealant (resistant to propane/LP gas, not provided) •...
  • Page 12: Connecting To Gas Supply

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION WARNING: Never connect CAUTION: Use pipe joint seal- Continued heater to private (non-utility) gas ant that is resistant to liquid pe- wells. This gas is commonly troleum (LP) gas. CONNECTING TO GAS known as wellhead gas.
  • Page 13: Checking Gas Connections

    OWNER’S MANUAL INSTALLATION Pressure Testing Heater Gas Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) Connections Continued 1. Close equipment shutoff valve (see Fig- Open equipment shutoff valve (see Fig- ure 14). CHECKING GAS ure 14). CONNECTIONS 2.
  • Page 14: Installing Logs

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION One Piece Log Set 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.
  • Page 15: Operating Heater

    OWNER’S MANUAL OPERATING LIGHTING WARNING: Burner will come INSTRUCTIONS HEATER on automatically within one minute when the selector switch FOR YOUR SAFETY WARNING: is in the ON position after the • If fireplace has glass doors, READ BEFORE pilot is lit. never operate this heater with LIGHTING Press in and turn control knob clock-...
  • Page 16: To Turn Off Gas To Appliance

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER OPERATING For wall thermostat operation, follow in- TO TURN OFF GAS struction supplied with thermostat acces- TO APPLIANCE HEATER sory GWMT1. For wall switch operation follow instructions supplied with GWMS2. Continued Shutting Off Heater 1.
  • Page 17: Inspecting Burners

    OWNER’S MANUAL OPERATING INSPECTING Pilot Burner Thermocouple HEATER BURNERS Continued Check pilot flame pattern and burner flame patterns often. IMPORTANT: This remote control has been specially engineered to PILOT FLAME PATTERN take an air temperature sample ev- Figure 22 - Correct Pilot Flame Pattern Figure 22 shows a correct pilot flame pat- ery 5.5 minutes in the auto mode.
  • Page 18: Cleaning And Maintenance

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER CLEANING AND 3. Blow air through the ports/slots and blow through a drinking straw if compressed holes in the burner. air is not available. MAINTENANCE 4. Check the injector holder located at the LOGS end of the burner tube again.
  • Page 19: Troubleshooting

    OWNER’S MANUAL TROUBLESHOOTING WARNING: Turn off heater CAUTION: Never use a wire, and let cool before servicing. Only needle, or similar object to clean Note: For additional help, visit DESA a qualified service person should ODS/pilot. This can damage ODS/ International’s technical service web site service and repair heater.
  • Page 20 ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Burner does not light after ODS/pilot is lit 1. Burner orifice clogged 1. Clean burner (see Cleaning and Mainte- nance, page 18) or replace burner orifice 2.
  • Page 21 OWNER’S 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.
  • 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 VYD36NRA * Note: The Golden Oak Log (107027-01) for the VYD36NRA model differs slightly from the log shown.
  • Page 23: Parts List

    OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. VYD18NRA, VYD24NRA, VYD30NRA, AND VYD36NRA PART NUMBER FOR VYD18NRA VYD24NRA VYD30NRA VYD36NRA DESCRIPTION QTY.
  • Page 24 ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN FLAME-MAX ® BIRCH MODELS VYBD18NR, VYBD24NR, AND VYBD30NR 107071...
  • Page 25 OWNER’S MANUAL PARTS LIST This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. VYBD18NR, VYBD24NR, AND VYBD30NR PART NUMBER FOR VYBD18NR VYBD24NR VYBD30NR DESCRIPTION QTY.
  • Page 26: Replacement Parts

    ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER WIRING DIAGRAM REPLACEMENT PARTS Note : For proper operation of optional ac- cessories, the wires from the switch to the Note: Use only original replacement parts. control must be connected exactly as shown.
  • Page 27 OWNER’S MANUAL ACCESSORIES WALL-MOUNT THERMOSTAT SWITCH - GWMT1 Purchase these heater accessories from your (Not Shown) local dealer. If they can not supply these accessories, call DESA International’s Parts For all models. The desired comfort setting Department at 1-800-972-7879 for referral can be selected on the wall thermostat and information.
  • Page 28: Warranty Information

    WARRANTY INFORMATION KEEP THIS WARRANTY 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.

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