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UNVENTED (VENT-FREE) GAS FIREPLACE SYSTEM
OWNER'S OPERATION AND INSTALLATION MANUAL
VSGF36NTA, VSGF36PTA, VSGF36NRA AND VSGF36PRA
WARNING: If the information in this manual is not fol-
lowed 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 performed by a quali-
fied installer, service agency or the gas supplier.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
For more information, visit www.desatech.com
MODELS
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Related Manuals for Desa VSGF36NRA
Summary of Contents for Desa VSGF36NRA
- Page 1 UNVENTED (VENT-FREE) GAS FIREPLACE SYSTEM OWNER’S OPERATION AND INSTALLATION MANUAL VSGF36NTA, VSGF36PTA, VSGF36NRA AND VSGF36PRA WARNING: If the information in this manual is not fol- lowed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
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Page 2: Table Of Contents
WARNING: Improper installation, adjustment, altera- tion, service or maintenance can cause injury or prop- erty damage. Refer to this manual for correct installation and operational procedures. For assistance or addi- tional information consult a qualified installer, service agency or the gas supplier. WARNING: This is an unvented gas-fired heater. -
Page 3: Safety Information
SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the state of California to cause cancer or birth defects or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate or service this heater. Improper use of this heater can cause serious injury or death from burns, fire, explosion,... -
Page 4: Local Codes
SAFETY INFORMATION Continued 1. 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. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units only). -
Page 5: Product Identification
PRODUCT IDENTIFICATION Optional Remote Control Figure 1 - Log Base Assembly (VSGF36NRA Shown) 116746-01A www.desatech.com... -
Page 6: Locating Firebox
PLANNING Plan where you will install the firebox. This will save time and money later when you install the firebox. Before installation, consider the following: 1. Where the firebox will be located. Allow for wall and ceiling clearances (see Installation Clear- ances, page 10). -
Page 7: Air For Combustion And Ventilation
AIR FOR COMBUSTION AND VENTILATION WARNING: This firebox shall not be installed in a confined space or unusually tight con- struction unless provisions are provided for adequate combus- tion and ventilation air. Read the following instructions to insure proper fresh air for this and other fuel-burning appliances in your home. - Page 8 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 door- less passageways or ventilation grills between the rooms.
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Page 9: Installation
AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un- confined space. When ventilating to an adjoining unconfined space, you must provide two perma- nent openings: one within 12" of the ceiling and one within 12"... - Page 10 INSTALLATION Continued CAUTION: This fireplace cre- ates warm air currents. These currents move heat to wall sur- faces next to fireplace. Installing fireplace next to vinyl or cloth wall coverings or operating heater where impurities (such as, but not limited, to tobacco smoke, aromatic candles, clean- ing fluids, oil or kerosene lamps, etc.) in the air exist, may discolor...
- Page 11 INSTALLATION Continued Mantel Clearances for Built-In Installation If placing custom mantel above built-in firebox, you must meet the minimum allowable clearance between mantel shelf and top of firebox opening shown in Figure 7. These are the minimum allowable mantel clearances for a safe installation. Use larger clearances wherever possible to minimize the heat- ing of objects and materials placed on the mantel.
- Page 12 INSTALLATION Continued 1. Frame in rough opening. The firebox framing should be constructed of 2 x 4 lumber or heavier. Use dimensions in Table 1 and rough opening layout in Figure 8. Adjust framing so that firebox flushes with finished wall surface. If installing in a corner, use dimensions in Figures 8 and 9 for rough opening.
- Page 13 INSTALLATION Continued INSTALLING FIREBOX USING OPTIONAL ACCESSORY MANTELS WARNING: A qualified service person must install firebox. Fol- low all local codes. This firebox may be installed using the corner or cabinet mantel with hearth base accessories against a wall in your home. A trim kit is included with the mantel accessories (see Accessories, page 31).
- Page 14 INSTALLATION Continued WARNING: Never connect natural gas fireplace to private (non-utility) gas wells. This gas is commonly known as wellhead gas. Installation Items Needed Before installing fireplace, make sure you have the items listed below. • external regulator for propane/LP unit only (supplied by installer) •...
- Page 15 INSTALLATION Continued WARNING: Use pipe joint sealant that is resistant to liquid petroleum (LP) gas. We recommend that you install a sediment trap in supply line as shown in Figure 15, page 14. Locate sediment trap where it is within reach for clean- ing.
- Page 16 INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections, internal and external to unit, 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 noncorrosive leak detection fluid to all joints.
- Page 17 INSTALLATION Continued INSTALLING LOGS (MODELS VSGF36NTA, VSGF36PTA, VSGF36NRA AND VSGF36PRA) 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 property damage or personal injury.
- Page 18 INSTALLATION Continued HARD-WIRING FIREBOX NOTICE: A qualified electrician must connect electrical wiring to duplex outlet for built-in instal- lation. Follow all local codes. In absence of local codes fol- low The National Electric Code ANSI/NFPA 70. The “Handy Box” with duplex outlet is provided in the firebox located in the lower right base area.
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Page 19: Operating Fireplace
OPERATING FIREPLACE THERMOSTAT MODELS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result causing property damage, per- sonal injury or loss of life. A. This appliance has a pilot which must be lighted by hand. - Page 20 OPERATING FIREPLACE Continued Note: If pilot does not stay lit, contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure. 7. Keep control knob pressed in for 30 seconds after lighting pilot.
- Page 21 OPERATING FIREPLACE Continued C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, donʼt try to repair it, call a qualified service tech- nician or gas supplier.
- Page 22 OPERATING FIREPLACE Continued WARNING: Make sure the se- lector switch is in the OFF position when you are away from home for long periods of time. Heater will come on automatically with selec- tor switch in the ON position. Pilot Ignitor Burner Electrode...
- Page 23 OPERATING FIREPLACE Continued Flame Adjustment Knob REMOTE Selector Switch in Remote Position (Optional Hand- Held Remote Control) Figure 32 - Setting the Selector Switch, Control Knob and Flame Adjustment Knob for Hand-Held Remote Operation 116746-01A www.desatech.com...
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Page 24: Inspecting Burners
OPERATING FIREPLACE Continued 2. The receiver continuously receives signals from the hand-held remote to control the room temperature. If the hand-held remote is misplaced, obstructed or for any reason cannot transmit to the receiver, the receiver will shut off the fireplace after 8 minutes. Key Pad Lock Feature This feature allows the user to lock/unlock the keypad on the hand-held remote in the... -
Page 25: Cleaning And Maintenance
CLEANING AND MAINTENANCE WARNING: Turn off fireplace and let cool before cleaning. CAUTION: You must keep control areas, burner and cir- culating air passageways of fireplace clean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qualified service person. -
Page 26: Wiring Diagram
When calling, please have your model and serial 11" numbers of your firebox ready. 120 lbs. You can also visit DESAʼs technical services web site at When Gas Pressure Is Too Low • pilot will not stay lit • burners will have delayed ignition •... -
Page 27: Troubleshooting
WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater. CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit. Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot... - Page 28 OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released Burner does not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during com- bustion TROUBLESHOOTING Continued POSSIBLE CAUSE 1. Control knob not fully pressed in 2.
- Page 29 OBSERVED PROBLEM Slight smoke or odor during initial operation Moisture/condensation noticed on windows Heater produces a whistling noise when burners are lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function (GHRCB and GHRCTB only) Yellow flame in front burner during burner combustion Fireplace produces a clicking/...
- Page 30 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. Fol- low the gas supplier’s instructions.
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Page 31: Accessories
Purchase these firebox accessories from your local dealer. If they can not supply these accessories, call DESAʼs Sales Department at 1-866-672-6040 for information. You can also write to the address listed on the back page of this manual. EQUIPMENT SHUTOFF VALVE GA5010 All Models. -
Page 32: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN MODELS VSGF36PTA, VSGF36NTA www.desatech.com 116746-01A... - Page 33 This list contains replaceable parts used in your firebox. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. PART NUMBER VSGF36PTA 109824-02 102239-02 ____ 101004-15 101004-01 101008-01 101007-01 101006-02 104286-01 098249-01 102846-01 115410-01 103650-01 106683-01 101382-01...
- Page 34 ILLUSTRATED PARTS BREAKDOWN MODELS VSGF36PRA, VSGF36NRA www.desatech.com 116746-01A...
- Page 35 101628-03 105649-01 103651-01 110881-04 110881-05 110881-06 100563-01 103877-01 101480-12 ** Not a field replacement part 116746-01A PARTS LIST VSGF36NRA DESCRIPTION 109824-02 Rear Burner Assembly 102239-02 Front Burner Assembly 107634-01 NG Conversion Plate 101004-14 Rear Burner Injector 101004-08 Front Burner Injector...
- Page 36 ILLUSTRATED PARTS BREAKDOWN MODELS VSGF36PTA, VSGF36NTA, VSGF36PRA AND VSGF36NRA www.desatech.com 116746-01A...
- Page 37 This list contains replaceable parts used in your firebox. When ordering parts, follow the instructions listed under Replacement Parts on page 26 of this manual. PART NUMBER 113190-01CK Screen 116865-01CK Bottom Louver Assembly 101355-03CK Hood 116864-01CK Louver Assembly 112862-02CK Firebox Bottom Bracket 21195 21194 106687-01...
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Page 40: Warranty Information
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA Heating Products who will provide original factory replacement parts.