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For more information, visit www.desatech.com

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.

UNVENTED (VENT-FREE) GAS FIREPLACE

OWNER’S OPERATION AND INSTALLATION MANUAL

VSGF33PRC AND VSGF33NRC 

REMOTE-READy FIREPLACE SySTEM 

Shown with optional cabinet mantel with hearth base and trim accessories. 

Summary of Contents for VSGF33NRC

Page 1: ...itch 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 refere...

Page 2: ...his is an unvented gas fired heat er 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 Ven tilation section on page 5 of this manual This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes This appliance is only...

Page 3: ...ing or other flammable material on or near the appliance Never place any objects on the heater SAFETY INFORMATION Continued Fireplace front and screen be comeveryhotwhenrunningfire place Keep children and adults away from hot surfaces to avoid burns or clothing ignition Fire place will remain hot for a time after shutdown Allow surfaces to cool before touching Carefully supervise young chil dren w...

Page 4: ...ervice technician to inspect the fireplace and to replace any part of the control system and any gas control which has been under water 13 Do not operate fireplace if any log is broken Do not operate fireplace if a log is chipped dime sized or larger 14 Turn fireplace off and let cool before servicing Only a qualified service person should service and repair fireplace 15 Operating fireplace above ...

Page 5: ...homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Mas sachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provi...

Page 6: ...egate input rating of all appliances installed in that space Rooms com municating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them DETERMINING FRESH AIR FLOW FOR FIREPLACE LOCATION Determinin...

Page 7: ...NFPA54Section5 3 or applicable local codes AIR FOR COMBUSTION AND VENTILATION Continued 40 000 33 000 73 000 VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un confined space When ventilating to an adjoining unconfinedspace youmustprovidetwopermanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two ...

Page 8: ...e attached to your fireplace these spacers can be placed directly against wall or framing materials Use the dimensions shown for rough openings to create the easiest installation See Built In Fire place Installation page 11 IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing fire place in rooms without enough ventilation air may cause mildew to form from too ...

Page 9: ...ERIALS Top Left and Bottom Right Sides and Rear 0 16 0 Minimum 16 from Side Wall Figure 8 Minimum Clearance for Combustible to Wall Example Mitered Edge Assembling and attaching OPTIONAL perimeter trim Included with Mantel Accessory IMPORTANT If you are recessing the firebox in a wall do not attach trim at this time See Built In Fireplace Installation page 11 Note The instructions below show assem...

Page 10: ...section to install the fireplace in this manner 1 Assemble cabinet mantel hearth base and trim accessories Assembly instructions are included with each accessory 2 When installing blower install a properly grounded 120 volt three prong electrical out let at fireplace location if an outlet is not there If possible locate outlet so cabinet mantel will cover it when installed see Figure 9 3 Install g...

Page 11: ...uded in kit 3 Install gas piping into fireplace location This installation includes an approved flexible gas line if allowed by local codes after the equip ment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Location page 12 4 Carefully set fireplace in front of rough opening with back of fireplace inside wall opening 5 ...

Page 12: ... WARNING This appliance requires a 1 2 NPT National Pipe Thread inlet connection to the pressure regulator WARNING A qualified service person must connect fireplace to gas supply Follow all local codes CAUTION Neverconnectpro pane LP fireplace directly to the propane LPsupply Thisfireplace requires an external regulator notsupplied Installtheexternal regulator between the fireplace and propane LP ...

Page 13: ...replaces ApplypipejointsealantlightlytomaleNPTthreads Thiswillpreventexcesssealantfromgoingintopipe Excess sealant in pipe could result in clogged fire place valves Never use sealant on flare threads Installation Continued Figure 17 External Regulator on Propane LP Supply Tank with Vent Pointing Down External Regulator Propane LP Supply Tank Vent Pointing Down Purchase the optional CSA design cert...

Page 14: ...s Connections page 15 6 Replace log base assembly back into fireplace Feed flexible gas line into fireplace base area while replacing log base assembly Make sure the entire flexible gas line is in fireplace base area Reattach log base assembly to fireplace with screws removed in step 2 CAUTION Do not pick up log base assembly by burner This could damage burner Only handle base by grates NOTICE Mos...

Page 15: ...r opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter to equipment shutoffvalvefornaturalgasorpropane LPsup ply to equipment shutoff valve for propane LP see Figures 22 and 23 Apply noncorrosive leak detection fluid to all joints Bubbles form ing show a leak 4 Correc...

Page 16: ... log 3 Position front right log against right side of grate prongs see Figure 24 4 Position front left log against left side of grate prongs see Figure 24 5 Place middle right log over front right and bot tom logs as shown in Figure 25 Be sure hole in middle right log seats over pin in bottom log 6 Place middle left log over front left and bot tom logs as show in Figure 25 Be sure hole in middle l...

Page 17: ...esult causing property damage per sonal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appli...

Page 18: ...ockwise to the OFF position 2a Set selector switch in the OFF position 2b If Using Optional Hand Held Remote Set selector switch in the OFF position to keep from draining battery Shutting Off Burners Only pilot stays lit You may shut off the burners and keep the pilot lit by doing one of the following Turn control knob clockwise to the PILOT position Use remote control manual OFF button Set select...

Page 19: ...ce 3 Press the POWER and LOCK buttons together to turn off the fireplace Auto Thermostatic Mode 1 Press the POWER and LOCK buttons together to turn on the hand held remote control 2 Press AUTO button to select this mode 3 Set the desired room temperature by press ing the TEMP or buttons 4 Press the POWER and LOCK buttons together to turn off the fireplace Note Do not leave the hand held remote in ...

Page 20: ...dulates to the pilot position the blower will continue to run The blower will shut off after the firebox temperature decreases Note It is safe to operate fireplace with blower turned off However the blowerhelps distribute heated air from the fireplace Follow installation instructions included with the blower accessory OPERATING fireplace Continued Inspecting Burners Check pilot flame pattern and b...

Page 21: ...s allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt lint and pet hair Clean these air inlet holes prior to each heating season Blocked air holes will create soot We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you ke...

Page 22: ...place log s if broken or chipped dime sized or larger Figure 38 Pilot Inlet Air Hole Burner Tube Pilot Assembly Pilot Air Inlet Hole Ports Slots CLEANING AND MAINTENANCE Continued AUTO OFF ON Thermopile Wiring Diagram Note For proper operation of optional accessories the wires from the switch to the control must be connected exactly as shown Specifications Model VSGF33NRC Rating Variable 21 500 33...

Page 23: ...n in stalled 5 Depleted gas supply propane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Tightennutholdingpiezoignitor to base panel of log set Nut is located behind base panel 4 Replace ignitor cable 5 Replace piezo ignitor 6 Replace pilot assembly 7 Replace pil...

Page 24: ...ntenance page 21 or replace burner orifice s 1 Clean burner see Cleaning and Maintenance page 21 or replace burner orifice s 2 Replace damaged burner 3 Replace gas regulator 1 Check burner for dirt and debris If found clean burner see Cleaning and Mainte nance page 21 2 Replace gas control 3 Problem will stop after a few hours of operation POSSIBLE CAUSE 1 Control knob not fully pressed in 2 Contr...

Page 25: ...en using furniture polish wax carpet cleaners or similar products 1 Replace 9 volt batteries in receiver and remote control 1 Check burner s for dirt and debris If found clean burner s see Cleaning and Mainte nance page 21 2 Replace gas regulator 1 This is normal with most heat ers Ifnoiseisexcessive contact qualified service person 1 Properly locate logs see In stalling Logs page 16 2 Eliminate s...

Page 26: ...enance page 21 1 Locate and correct all leaks see Checking Gas Connec tions page 15 2 Replace control valve or gas control 1 Take apart gas tubing and remove foreign matter 2 Locate and correct all leaks see Checking Gas Connec tions page 15 OBSERVED PROBLEM Fireplace produces unwanted odors Fireplace shuts off in use ODS operates Gasodorevenwhencontrolknob is in OFF position Gas odor during combu...

Page 27: ...rs of this product If they can t supply original replacement part s call DESA Heating Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready model number of your fireplace the replacement part number Service Hints When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat propane LP gas s...

Page 28: ...om 119304 01A 28 Illustrated Parts Breakdown Log Base Assembly Models VSGF33NRC and VSGF33PRC 1f 1a 1e LPG 5 7 8 6 24 1b 1c 14 9 1d 18 10 21 17 23 2 20 13 13 22 16 16 12 3 4 4 4 4 25 26 19 15 30 29 NG Only 28 NG Only ...

Page 29: ...ar Burner Assembly 1 10 112705 03 Base Assembly 1 11 098271 12 Ignitor Cable 1 12 Firebox Bottom 1 13 111435 01 Piezo Ignitor 1 14 101004 08 Front Burner Injector 1 101004 01 Front Burner Injector 1 15 104241 02 Switch Bracket 1 16 103782 01 Valve Bracket 1 17 103284 03 Wiring Harness 1 18 112708 05 Burner Tube 1 19 097809 02 Adapter 1 20 M12461 26 10 32 Screw 4 21 098265 02 Elbow Male 1 22 103781...

Page 30: ...www desatech com 119304 01A 30 ILLUSTRATED PARTS BREAKDOWN Fireplace mOdels VSGF33NRC and VSGF33PRC 1 2 3 16 4 6 12 18 10 10 7 13 16 16 16 7 17 14 5 16 16 15 8 9 16 11 11 11 ...

Page 31: ... Side 1 5 098304 01 Phillips Pan Head Screw 10 17 6 101351 01CK Top Front 1 7 102455 18 Louver 2 8 101353 01CK Middle Front Rail 1 9 101712 02 Firebox Hood 1 10 Firebox Support 2 11 099230 01 Shoulder Screw 4 12 101872 03 Firebox Top 1 13 Outer Base 1 14 Firebox Wrapper 1 15 101514 01 Cover 1 16 M11084 26 Hex Screw 10 57 17 098304 02 Phillips Pan Head Screw 6 20x 38 4 18 101727 03 Screen Assembly ...

Page 32: ...models For built in installation when ac cessory blowers are used Information video 108917 01 Not Shown Forallmodels Acareandmaintenancevideoisavail able by calling 1 866 672 6040 You may also email your request to productsupport desaint com Fire Crackle CF6 A Not Shown Creates the sound of a real burning fire Perimeter TRIM ACCESSORY Not Shown PT32 Black PT32B Brushed Brass PT32PB Polished Brass ...

Page 33: ... OFF SWITCH GWMS2 Not Shown For all models Allows the gas fireplace to be turned on and off with a wall switch CLEANING KIT GCK Not Shown For all models Your vent free gas appliance re quires regular cleaning and maintenance to prevent performance 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 No...

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Page 36: ...y a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and ...

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