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UNVENTED (VENT-FREE)
PROPANE/LP GAS LOG HEATER
DESIGN-CERTIFIED AS VENTED DECORATIVE APPLIANCES
OWNER'S OPERATION AND INSTALLATION MANUAL
FLAME-MAX
Models VYS18PWA,
VYS24PWA, and
VYS30PWA (Millivolt)
Remote Ready
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*, permanently located, 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
VARIABLE MANUALLY-CONTROLLED MODELS ALSO
®
Save this manual for future reference.
®
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 ANSI 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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Related Manuals for Vanguard Flame-Max VYS18PWA
Summary of Contents for Vanguard Flame-Max VYS18PWA
- Page 1 UNVENTED (VENT-FREE) PROPANE/LP GAS LOG HEATER VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED AS VENTED DECORATIVE APPLIANCES OWNER’S OPERATION AND INSTALLATION MANUAL ® FLAME-MAX Models VYS18PWA, VYS24PWA, and VYS30PWA (Millivolt) Remote Ready 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.
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Page 2: Safety Information
VANGUARD 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: Local Codes
SAFETY INFORMATION Continued 13. Do not use this heater to cook food or burn paper or other objects. 14. Do not use heater if any part has been exposed to or under water. Immediately call a qualified service technician to in- spect the room heater and to replace any part of the control system and any gas control which has been under water. -
Page 4: Air For Combustion And Ventilation
VANGUARD UNVENTED PROPANE/LP 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 VANGUARD UNVENTED PROPANE/LP 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"...
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Page 7: Check Gas Type
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 heater. - Page 8 VANGUARD UNVENTED PROPANE/LP 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 mate- rial clearances, you must also meet required clearances between fireplace opening and mantel shelf. If you do not meet the clear- ances 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 UNVENTED PROPANE/LP 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 noncombustible material. If your heater is a manually-controlled model, you may use this heater as a vented product. -
Page 11: Connecting To Gas Supply
INSTALLATION Continued 9. Drill holes at marked locations using 3/16" drill bit. 10. Attach base assembly to fireplace floor using two masonry screws (in hardware package). Flexible Gas Hose (if allowed by local codes) Fitting Figure 11 - Attaching Flexible Gas Hose to Heater Masonry Screw Mounting... -
Page 12: Checking Gas Connections
VANGUARD UNVENTED PROPANE/LP GAS LOG HEATER INSTALLATION Continued WARNING: Never connect heater to private (non-utility) gas wells. This gas is commonly known as wellhead gas. CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. -
Page 13: Installing Logs
INSTALLATION Continued Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa) 1. Close equipment shutoff valve (see Figure 16). 2. Pressurize supply piping system by ei- ther using compressed air or opening propane/LP supply tank valve. 3. Check all joints from propane/LP sup- ply tank to equipment shutoff valve (see Figure 17). -
Page 14: Operating Heater
VANGUARD 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: To Turn Off Gas To Appliance
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 16: Inspecting Burners
VANGUARD UNVENTED PROPANE/LP GAS LOG HEATER 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. -
Page 17: 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 18 VANGUARD UNVENTED PROPANE/LP 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 19 TROUBLESHOOTING Continued • 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 20: Wiring Diagram
VANGUARD UNVENTED PROPANE/LP 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 Vintage Oak 18" Btu (Variable) 17,500/27,000 Type Gas Propane/LP Only Ignition Piezo Pressure Manifold... -
Page 21: Cleaning And Maintenance
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 22: Illustrated Parts Breakdown
VANGUARD UNVENTED PROPANE/LP GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN VINTAGE OAK LOG MODELS VYS18PWA, VYS24PWA, VYS30PWA 105190... -
Page 23: Parts List
PARTS LIST VINTAGE OAK LOG MODELS VYS18PWA, VYS24PWA, VYS30PWA VYS18PWA 105185-01 103778-01 098249-01 105197-02 098265-02 102843-01 099056-21 – 102963-01 099387-13 103781-02 103345-02 M11084-38 102775-10CK 098271-10 102445-01 103587-02CK 104099-01 098304-01 103784-02 103784-01 M12461-26 103284-02 099998-01 100563-01 103877-01 100565-01 100693-01 101137-02 GA6060 105190 OWNER’S MANUAL This list contains replaceable parts used in your heater. - Page 24 VANGUARD UNVENTED PROPANE/LP GAS LOG HEATER ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International at 1-866-672-6040 for referral informa- tion. You can also write to the address listed on the back page of this manual. EQUIPMENT SHUTOFF VALVE - GA5010 For all models.
- Page 25 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 105190...
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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.
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