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UNVENTED (VENT-FREE)
NATURAL GAS FIREPLACE
OWNER'S OPERATION AND INSTALLATION MANUAL
VYGF33NR
REMOTE READY
GAS FIREPLACE
SYSTEM
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 in-
structions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a
qualified installer, service agency, or the gas supplier.
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
DESA INTERNATIONAL
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Save this manual for future reference.
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Shown with optional
cabinet mantel,
hearth base, and trim
accessories.
WARNING: Improper installation,
adjustment, alteration, service,
or maintenance can cause injury
or property damage. Refer to this
manual for correct installation
and operational procedures. For
assistance or additional infor-
mation consult a qualified in-
staller, service agency, or the
gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) 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 sec-
tion on page 4 of this manual.
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Table of Contents
Related Manuals for Desa VYGF33NR
Summary of Contents for Desa VYGF33NR
- Page 1 DESA INTERNATIONAL UNVENTED (VENT-FREE) NATURAL GAS FIREPLACE OWNER’S OPERATION AND INSTALLATION MANUAL QQQQQQ QQQQQQ QQQQQQ VYGF33NR QQQQQQ REMOTE READY QQQQQQ GAS FIREPLACE QQQQQQQQQ QQQQQQ SYSTEM QQQQQQQQQ QQQQQQ QQQQQQQQQ QQQQQQ 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
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this fireplace. Im- proper use of this fireplace can cause serious injury or death from... -
Page 3: Product Identification
PRODUCT IDENTIFICATION Optional Remote Control Control Knobs Piezo Ignitor Remote Selector Switch (Optional) Figure 1 - Log Base Assembly Top Louver Assembly Firebox Hood Firebox Support Screen Assembly Figure 2 - Fireplace 104352 OWNER’S MANUAL One Piece Log Set Top Outer Casing Bottom Louver Blower Assembly... -
Page 4: Product Features
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE PRODUCT FEATURES Operation This vent-free fireplace is clean burning. It requires no outside venting. There is no heat loss out a vent or up a chimney. Heat is generated by both realistic flames and glow- ing embers. - Page 5 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR FIREPLACE 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 fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
- Page 6 DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE 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: 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 heater. -
Page 8: Installation Clearances
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE INSTALLATION Continued INSTALLATION CLEARANCES WARNING: Maintain the mini- mum clearances. If you can, pro- vide greater clearances from floor, ceiling, and adjoining wall. Carefully follow the instructions below. This will ensure safe installation. Minimum Wall and Ceiling Clearances (see Figure 8) A. -
Page 9: Built-In Fireplace Installation
INSTALLATION Continued 10. If blower is installed, route blower elec- trical cord through access holes in ei- ther side of fireplace. Note: Bushing may be moved if necessary. Plug elec- trical cord into electrical outlet. 11. Carefully insert fireplace into cabinet mantel. -
Page 10: Installing Gas Piping To Fireplace Location
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE INSTALLATION Continued Mantel Clearances for Built-In Installation If placing mantel above built-in fireplace, you must meet minimum clearance between mantel shelf and top of fireplace opening. If your installation does not meet the below minimum clearances, you must: •... -
Page 11: Connecting Fireplace To Gas Supply
INSTALLATION Continued CONNECTING FIREPLACE TO GAS SUPPLY Installation must include a manual shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from fireplace (see Figure 17). Check your building codes for any special requirements for locating manual shutoff valve to fireplaces. -
Page 12: Checking Gas Connections
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE 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 position 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 injury. CAUTION: Do not remove the warning and instruction lables attached to the heater base as- sembly. -
Page 14: Operating Fireplace
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE OPERATING FIREPLACE 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. -
Page 15: To Turn Off Gas To Appliance
OPERATING FIREPLACE Continued WARNING: Make sure the re- mote selector switch is in the OFF position when you are away from home for long periods of time. Heater will come on auto- matically with remote selector switch in the ON position. Pilot Burner Ignitor Electrode Figure 26 - Pilot... -
Page 16: Inspecting Burners
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE OPERATING FIREPLACE Continued • In AUTO mode (GHRCT only), the room temperature is controlled by the thermostat in the hand-held remote control unit. To increase the room temperature, press the top arrow of the TEMP button. To... -
Page 17: Troubleshooting
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 104352 OWNER’S MANUAL... - Page 18 DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE 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...
- Page 19 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 20: Wiring Diagram
* For input adjustment 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 21: Cleaning And Maintenance
Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA International’s Techni- cal Service Department at 1-800-323-5190. When calling DESA In- ternational, have ready • your name and address •... - Page 22 ACCESSORIES Purchase these fireplace accessories from your local dealer. If they can not supply these accessories, call DESA International’s Sales Department at 1-800-432-2382 for information. You can also write to the ad- dress listed on the back page of this manual.
- Page 23 ACCESSORIES Continued QQ QQ QQ QQQQQ Mantel Trim QQQQQ Hearth Base Trim LAMINATE TRIM FOR HEARTH OR MANTEL G3002J Series - Jade Marble Laminate Mantel Trim G3003J Series - Jade Marble Laminate Hearth Base Trim G3002S Series - Sandstone Marble Laminate Mantel Trim G3003S Series - Sandstone Marble Laminate Hearth Base Trim...
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Page 24: Illustrated Parts Breakdown
DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE ILLUSTRATED PARTS BREAKDOWN REMOTE READY MODEL VYGF33NR 104352... -
Page 25: Parts List
PARTS LIST REMOTE READY MODEL VYGF33NR 104352 This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. PART NUMBER DESCRIPTION 102785-01 Log, Golden Oak 103779-01... - Page 26 DESA INTERNATIONAL UNVENTED NATURAL GAS FIREPLACE ILLUSTRATED PARTS BREAKDOWN FIREPLACE VYGF33NR 104352...
- Page 27 PARTS LIST FIREPLACE VYGF33NR 104352 This list contains replaceable parts used in your fireplace. When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. PART NUMBER DESCRIPTION 101357-01 Top Outer Casing 103207-01 Outer Casing...
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Page 28: Warranty Information
VENT-FREE NATURAL GAS FIREPLACE 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.