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F
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HI
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®
UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATER
Also Design-Certified As A Vented Decorative Appliance
OWNER’S OPERATION AND INSTALLATION MANUAL
®
FLAME-MAX
Multi-Sided
Log Design
®
VYM27NR
Remote Control
Patent Pending
Ready Model
WARNING: Improper installation, ad-
WARNING: If the information in this
justment, alteration, service, or main-
manual is not followed exactly, a fire or
tenance can cause injury or property
explosion may result causing property
damage. Refer to this m
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® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER • if you cannot reach your gas supplier, 12. Do not use a blower insert, heat ex- SAFETY call the fire department changer insert or other accessory not INFORMATION approved for use with this heater. 3. This heater shall not be installed in a bedroom or bathroom unless installed 13. This heater needs fresh, outside air ven- as a vented appliance (see Installing tilation to run properly. This heater has WARNINGS WARNING ICON G 001 Damper Clamp
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HI TEMP MAN LO ON AUTO OFF STATUS OWNER’S MANUAL PRODUCT PRODUCT IDENTIFICATION FEATURES ® Flame-Max OPERATION VYM27NR This heater is clean burning. It requires no Log Set outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by realistic, dancing yellow flames. This heater is designed for vent-free operation with flue damper closed. It has been tested and ap- proved to ANS Z21.11.2 standard for unvented heaters. State and local codes in some areas prohibit the use
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® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER Confined and Unconfined Space PROVIDING ADEQUATE AIR FOR VENTILATION The National Fuel Gas Code (ANS Z223.1, COMBUSTION AND 1992 Section 5.3) defines a confined space The following are excerpts from National VENTILATION as a space whose volume is less than 50 Fuel Gas Code. NFPA 54/ANS Z223.1, Sec- 3 cubic feet per 1,000 Btu per hour (4.8 m per tion 5.3, Air for Combustion and Ventilation. kw) of the aggregate input rating of all WARNING: Thi
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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. 1. Determine the volume of the space (length x width x height). Length x Width x Height = _____________ cu. ft
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® 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 Or Option 2 Room, Building Remove Option 1 Door into This fresh air would come from an adjoining unconfined space. When ventilating to an Adjoining adjoining unconfined space, you must pro- Room, vide two permanent openings: one within Option 12" of the ceiling and one within
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OWNER’S MANUAL INSTALLATION AND INSTALLATION WARNING: Never install the CLEARANCES heater NOTICE: This heater is intended (Vent-Free Operation Only) • 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. Do not in- • in a recreational vehicle mum clearances. If you can, pro- stall this heater as your primary • where curtains, furniture, vide greater c
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® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION Noncombustible Requirements for Continued Material Distance (A) Safe Installation 12" or more Noncombustible material OK. NOTICE: Manual control heaters Between 8" and 12" Install fireplace hood accessory (GA6050, GA6052 may be used as a vented product. or GA6053, see Accessories, page 24). If so, you must always run heater with chimney flue damper open. Less than 8" Noncombustible material must be extended to at If running heater
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OWNER’S MANUAL Mantel Shelf INSTALLATION 10" Underside of 8" Continued Mantel Shelf 6" MANTEL CLEARANCES 1 2 /2" In addition to meeting noncombustible ma- terial clearances, you must also meet All minimum required clearances between fireplace open- distances are ings and mantel shelf on each side of the in inches fireplace. If you do not meet the clearances Minimum Non- (A) listed below, you will need a hood. Combustible Material Determining Minimum Mantel 12" 18" 20" 22" 24" Clearance If yo
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® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued Damper INSTALLING DAMPER Clamp Damper CLAMP ACCESSORY FOR VENTED OPERATION Damper Note: When used as a vented heater, appli- Clamp 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. Damper Damper There are three reasons for operating your heater in the vent
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L I P F F O L O OWNER’S MANUAL Installation must include a manual shutoff CONNECTING TO GAS INSTALLATION valve, union, and plugged 1/8" NPT tap. SUPPLY Continued Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from NOTICE: A qualified service per- 7. Mark screw locations through one hole heater (see Figure 13). son must connect heater to gas on each side of the mounting flanges supply. Follow all local codes. Apply pipe joint sealant lightly to male (see Figure 12).
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® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER Test Pressures Equal To or Less Than Pressure Testing Heater Gas INSTALLATION 1/2 PSIG Connections Continued 1. Close manual shutoff valve (see Fig- 1. Open manual shutoff valve (see Fig- ure 14). CHECKING GAS ure 14). 2. Pressurize supply piping system by ei- CONNECTIONS 2. Open main gas valve located on or near ther using compressed air or opening gas meter. main gas valve located on or near gas WARNING: Test all gas pip- 3. Make sure contr
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L L L I I I P P P F F F F F F O O O L L L O O O OWNER’S MANUAL Bottom Log (#1) INSTALLATION Continued Top Log (#2) INSTALLING LOGS Peg WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use Burner only parts specifically approved Port with this heater may result in prop- erty damage or personal injury. Grate CAUTION: After installation and periodically thereafter, check Burner to ensure that no flame comes in Chassis contact with any log. With the Figure 1
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O L I P F F O H I L ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER LIGHTING OPERATING WARNING: Burner will come INSTRUCTIONS on automatically within one HEATER minute when the selector switch WARNING: FOR YOUR SAFETY is in the ON position after the • If fireplace has glass doors, READ BEFORE pilot is lit. never operate this heater with LIGHTING 4. Press in and turn control knob clock- glass doors closed. If you op- wise to the OFF position. erate heater with doors closed, WARNING: If
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OWNER’S MANUAL For wall thermostat operation, follow in- TO TURN OFF GAS OPERATING struction supplied with thermostat acces- TO APPLIANCE HEATER sory GWMT1. For wall switch operation follow instructions supplied with GWMS2. Shutting Off Heater Continued 1. Turn control knob clockwise 8. Keep control knob pressed in for 30 NOTICE: You must light the pilot to the OFF position. seconds after lighting pilot. After 30 before using the hand-held re- seconds, release control knob. 2a. Set selector sw
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N O T O H L I I L ® VANGUARD FLAME MAX UNVENTED NATURAL GAS LOG HEATER 3. Use the STATUS button on the hand- OPERATING INSPECTING held remote control unit to see the HEATER operation mode being used and the BURNERS temperature setting selected. A red Continued Check pilot flame pattern and burner flame light will come on beside the opera- patterns often. tion mode being used when the sta- IMPORTANT: This remote control tus button is pressed. has been specially engineered to PILOT FLAME PATTERN t
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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. pilot unit. at www.desatech.com. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, t
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® 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 21) or replace burner orifice 2. Inlet gas pressure is too low 2. Contact local natural gas company 3. Burner orifice diameter is too small 3. Replace burner orifice 4. Thermopile leads disconnected or im- 4. Reconnect leads (see Wiring Diagram, properly co
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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. • If you cannot reach your gas supplier, call the fire department. IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette
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AUTO ON OFF ® 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. This will protect your warranty coverage for parts replaced under warranty. PARTS UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Techni- ca
