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UnVenTed (VenT-Free) Gas FirePlace sysTem
oWner's oPeraTion and insTallaTion manUal
ThermosTaTically-conTrolled models
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
VsGF28nTF and VsGF28PTF
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Summary of Contents for Desa VsGF28nTF
- Page 1 UnVenTed (VenT-Free) Gas FirePlace sysTem oWner’s oPeraTion and insTallaTion manUal ThermosTaTically-conTrolled models VsGF28nTF and VsGF28PTF 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
Safety Information ... Local Codes... 4 Product Identification ... 5 Unpacking... 5 Product Features ... 5 Air For Combustion and Ventilation ... 6 Installation ... 8 Operating Fireplace ... 17 Inspecting Burners... 19 Cleaning and Maintenance ... 0 WARNING: Improper in- stallation, adjustment, al- teration, service or main- tenance can cause injury... -
Page 3: Safety Information
saFeTy inFormaTion Continued WARNING: This product contains and/or generates chemicals known to the state of California to cause cancer or birth defects or other reproduc- tive 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 Log Set Base Assembly Front Burner Figure 1 - Log Base Assembly Top Louver Assembly Fireplace Hood Screen Assembly Bottom Louver Assembly Figure 2 - Fireplace UnPackinG CAUTION: Do not remove the data plates attached to the heater base assembly. -
Page 6: 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 7: 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 door- less passageways or ventilation grills between the rooms. -
Page 8: 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 9: Electrical Hook-Up
insTallaTion Continued WARNING: These models have a three-prong, grounded electrical plug. This plug helps protect you against electrical shock. Only con- nect plug to a properly grounded, three-prong receptacle. Do not cut or remove the grounding prong from this plug. CAUTION: This fireplace cre- ates warm air currents. -
Page 10: Installation Clearances
insTallaTion Continued 4. Slide one end of adjusting plate/shim in slot on mitered edge of top trim (see Figure 6). 5. Slide other end of adjusting plate/shim in slot on mitered edge of side trim (see Figure 6). 6. While firmly holding edges of trim together, tighten both set screws on the adjusting plate with slotted screwdriver. -
Page 11: Built-In Firebox Installation
insTallaTion Continued 5. Route flexible gas line through access hole in hearth base. 6. Center cabinet mantel on hearth base (see Figure 10). Make sure mantel is flush against wall. 7. Break off nailing flanges (see Figure 11) with hammer or pliers. 8. - Page 12 insTallaTion Continued 1. Frame in rough opening. Use dimensions shown in Figure 13 for the rough opening. If installing in a corner, use dimensions shown in Figure 14 for the rough opening. The height is 33" which is the same as the wall opening above. 2.
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Page 13: Installing Gas Piping To Fireplace Location
insTallaTion Continued Note: All Vertical 10" measurements 8" are from top of 6" fireplace opening " to bottom of mantel shelf. Minimum Non- Combustible Material Figure 16 - Minimum Mantel Clearances for Built-In Installation INSTALLING GAS PIPING TO FIREPLACE LOCATION WARNING: This appliance requires a 1/2"... -
Page 14: Connecting Fireplace To Gas Supply
insTallaTion Continued Installation must include an equipment 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 18). IMPORTANT: Install equipment shutoff valve in an accessible location. -
Page 15: Checking Gas Connections
insTallaTion Continued NOTICE: Most building codes do not permit concealed gas connections. A flexible gas line is provided to allow accessibility from the fireplace (see Figure 20). The flexible gas supply line con- nection to the equipment shutoff valve should be accessible. 4. -
Page 16: Installing Logs
insTallaTion Continued PRESSURE TESTING FIREPLACE GAS CONNECTIONS 1. Open equipment shutoff valve (see Figure 21, page 15). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3. Make sure control knob of fireplace is in the OFF position. -
Page 17: Operating Fireplace
insTallaTion Continued 7. Install fireplace screen by slipping notches of fireplace screen over screws on front of fireplace (see Figure 26). WARNING: You must operate this fireplace with the fireplace screen in place. Make sure fire- place screen is in place before running fireplace. -
Page 18: Lighting Instructions
oPeraTinG FirePlace Continued LIGHTING INSTRUCTIONS WARNING: You must operate this fireplace with the fireplace screen in place. Make sure fire- place screen is installed before running fireplace. NOTICE: During initial operation of new fireplace, burning logs will give off a paper-burning smell. -
Page 19: Manual Lighting Procedure
oPeraTinG FirePlace Continued MANUAL LIGHTING PROCEDURE 1. Follow steps 1 through 5 under Lighting Instructions, page 18. 2. Depress control knob and light pilot with match. 3. Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. -
Page 20: Cleaning And Maintenance
insPecTinG bUrners Continued NOTICE: Do not mistake orange flames with yellow tipping. Dirt or other fine particles are burned by fireplace, causing brief patches of orange flame. If front burner flame pattern is incorrect, as shown in Figure 32 on page 19 •... -
Page 21: Wiring Diagram
cleaninG and mainTenance Continued Burner Tube Pilot Assembly Pilot Air Inlet Hole Figure 34 - Pilot Inlet Air Hole LOGS • If you remove logs for cleaning, refer to Install- ing Logs, pages 16, to properly replace logs. • Replace log(s) if broken or chipped (dime-sized or larger). -
Page 22: 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 23 OBSERVED PROBLEM ODS/pilot lights but flame goes out when control knob is released One or both burners do not light after ODS/pilot is lit Delayed ignition of one or both burners Burner backfiring during com- bustion Yellow flame in front burner during burner combustion 119303-01A TroUbleshooTinG...
- Page 24 OBSERVED PROBLEM Slight smoke or odor during initial operation Moisture/condensation noticed on windows Fireplace produces a whistling noise when burners are lit White powder residue forming within burner box or on adjacent walls or furniture Dark residue on logs inside of their fireplace.
- Page 25 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 26: Replacement Parts
If so, contact DESA Heating Products’ Technical Service Department at 1-866-672-6040. When calling, please have your model and serial numbers of your firebox ready. You can also visit DESA Heating Products’ techni- cal services web site at www.desatech.com serVice hinTs When Gas Pressure Is Too Low •... - Page 27 accessories Continued CLEANING KIT - GCK All Models. Your vent-free gas appliance requires regular cleaning and maintenance to prevent per- formance problems. This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance. FIREBOx BRICK LINER - G8005 SERIES (Not Shown)
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Page 28: Illustrated Parts Breakdown
illUsTraTed ParTs breakdoWn MODELS VSGF26NTF, VSGF26PTF www.desatech.com 119303-01A... -
Page 29: Parts List
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 NO. 11361-07 11361-08 11361-09 11361-10 11361-19 11361-1 M11084-38 Screw 098304-01 107486-01 107485-01 09849-01 11713-01 11465-0 11466-0 11705-03... - Page 30 illUsTraTed ParTs breakdoWn MODELS VSGF28PTF AND VSGF28NRF www.desatech.com 119303-01A...
- Page 31 MODELS VSGF28PTF AND VSGF28NRF 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 NO. 101357-03 10758-0CK Right Front Side 10759-0CK Left Front Side 098304-01 101351-01CK Top Front 10455-18...
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Page 32: Limited Warranty
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.
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