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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.

UNVENTED (VENT-FREE) GAS FIREPLACE

OWNER’S OPERATION AND INSTALLATION MANUAL

VTGF33NRA AND VTGF33PRA

GAS FIREPLACE WITH TOTAL CONTROL SYSTEM (TCS)

Shown with optional 

cabinet mantel 

and hearth base 

accessory. 

Summary of Contents for VTGF33NRA

Page 1: ...L GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor 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 UNVENTED VENT FREE GAS FIREPLAC...

Page 2: ...ing plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer TABLE OF CONTENTS Safety Information 3 Product Identification 4 Local codes 5 Unpacking 5 Product Features 5 Air for Combustion and Ventilation 5 Installation 8 Operating Fireplace 21 Inspecting Burners 24 Cleaning and Maintenance 25 Troubleshooting 26...

Page 3: ...he State of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manual carefully and completely beforetryingtoassemble operate orservicethislogset Improperuse of this log set can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning DANGER Carbonmonoxide poisoning may lead to death Carbon Monoxide Poison...

Page 4: ...er residue within burner box or on adjacent walls or furniture 9 This fireplace needs fresh air ventilation to run properly This fireplace has an Oxygen Deple tion Sensing ODS safety shutoff system The ODS shuts down the fireplace if not enough fresh air is available See Air for Combustion and Ventilation page 5 If fireplace keeps shutting off see Troubleshooting page 26 10 Do not run fireplace where fl...

Page 5: ...here is not enough fresh air PIEZO IGNITION SYSTEM This fireplace has a piezo ignitor This system requires no matches batteries or other sources to light fireplace WIRELESS REMOTE CONTROL This fireplace features an infrared wireless remote control This control system can be used to auto matically light the pilot and adjust the burner flame height at the push of a button WIRED WALL MOUNTED REMOTE CONTR...

Page 6: ...n AIR FOR COMBUSTION AND VENTILATION Continued Confined Space and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m3 per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 B...

Page 7: ...an unconfined space You will need no additional fresh air ventilation AIR FOR COMBUSTION AND VENTILATION Continued 40 000 33 000 73 000 WARNING If the area in which the heater may be oper ated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air byoneofthemethodsdescribed in the National Fuel Gas Code...

Page 8: ...aticcandles clean ingfluids oilorkerosenelamps etc intheairexist maydiscolor walls or cause odors Note Your fireplace is designed to be used in zero clearanceinstallations Wallorframingmaterialcanbe placeddirectlyagainstanyexteriorsurfaceontherear sides or top of your fireplace except where standoff spacers are integrally attached If standoff spacers are attachedtoyourfireplace thesespacerscanbeplaced...

Page 9: ... power cord required 3 Relocating wall switch optional 4 Installing blower accessory optional 5 Connecting fireplace to gas supply required 6 Checking gas connections required 7 Firebox installation conventional or built in required 8 Installing brass perimeter trim optional 9 Installing fireplace hood required 10 Installing logs required 11 Installing fireplace screen required Use the following inst...

Page 10: ...outlet is not installed in fireplace install model GA3555 Outlet Kit with Cover This kit will supply a convenient 3 prong grounded electrical outlet for power Refer to installation manual provided with this optional accessory for instructions on wiring Note A qualified installer must make all electrical connections RELOCATING WALL SWITCH ASSEMBLY Note The decorative wall switch plate supplied is whi...

Page 11: ... location of switch Pass wall switch as sembly and cord through 1 5 diameter hole in side of fireplace outer casing see Figure 9 6 Pull wall switch assembly and cord from fireplace making sure wall switch assembly will reach desired mounting location without straining cord assembly If you are mounting wall switch assembly to a wall continue reading If you are mounting your wall switch assembly to th...

Page 12: ...tel wall ac cording to Template 2 page 35 This is best done by making a pattern to work with on the mantel Carefully cut page 35 36 from manual and tape paper template vertically onto mantel wall at preferred location Pierce the paper at the centers of the 2 holes with a nail or sharp pencil leaving a mark on the wall Do the same at centers of the four circles near the corners of the rectangle 8 R...

Page 13: ...tor will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pres sure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 14 Pointing the vent down protects it from freezing rain or sleet CAUTION Use only new black iron or steel pipe Inter nally tinned co...

Page 14: ...um Sediment Trap Pipe Cap Tee Nipple Joint INSTALLATION Continued NOTICE Most building codes do not permit concealed gas connections A flexible gas line isprovidedtoallowaccessibility fromthefireplace seeFigure16 The flexible gas supply line con nectiontotheequipmentshutoff valve should be accessible 3 Attach the flexible gas line to gas supply see Figure 16 Check tightness of flexible gas line attache...

Page 15: ...e supply piping system by either 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 for natural gas or propane LP supply to equipment shutoff valve for propane LP gas see Figures 18 or 19 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a le...

Page 16: ...rews Countersink screw heads and putty over 5 Route flexible gas line through access hole in hearth base 6 Centercabinetmantelonhearthbase seeFigure 21 Make sure mantel is flush against wall and centered left to right on base 7 Use screws provided with mantel accessory to attach mantel assembly to base see mantel instruction sheet INSTALLATION Continued 8 Break off nailing flanges on fireplace see Fig...

Page 17: ... 37 3 If not already completed install gas piping to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the equipment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Location page 13 4 Carefully setfireplacein frontof rough opening with back of fireplace inside wall open...

Page 18: ...mantel ornaments or other similar projec tions off of the facing material Framing Material ASSEMBLING AND ATTACHING OPTIONAL BRASS TRIM Included with Mantel Accessory Note The instructions below show assembling and attaching brass trim to fireplace 1 Remove packaging from three pieces of brass trim Figure 29 Attaching Brass Trim to Fireplace Trim Hanging Screws Assembled Brass Trim Hanging Notches ...

Page 19: ...l create soot It is very important to install the logs exactly as instructed Do not modify logs Only use logs sup plied with heater Before installing logs make sure log alignment screws are in place and straight 1 Place log 1 ember bed onto base over log alignment screws to the left of front burner and behind middle burner Log 1 will sit on top of front and middle burners see Figure 31 2 Place log...

Page 20: ... remove cover 2 Insert supplied battery into remote control Positive and negative are marked inside re mote control casing Note Remote will not function if battery is not installed correctly 3 Slide tab on cover into remote housing and snap cover back into place IMPORTANT Use only A23 12 volt battery in remote DO NOT use AAA battery Figure 34 Installing Log 5 and Log 6 Log 6 Log 5 Log 2 Log 4 Log ...

Page 21: ...GHTING INSTRUCTIONS WARNING You must oper ate this heater with the fireplace screen in place Make sure fire place screen is in place before running heater NOTICE Duringinitialoperationof new heater burning logs will give off a paper burning smell Open damper or window to vent smell This will only last a few hours 1 STOP Read the safety information col umn 1 2 Make sure equipment shutoff valve is ful...

Page 22: ... OFF button on wall switch once Shutting Off Heater Wireless Remote Control Point remote control toward lower front of fire place and push both buttons at the same time MANUAL LIGHTING INSTRUCTIONS FOR ELECTRICAL POWER OUTAGE WARNING You must oper ate this heater with the fireplace screen in place Make sure fire place screen is in place before running heater NOTICE Duringinitialoperationof new heater...

Page 23: ...TO TURN OFF GAS TO APPLIANCE Shutting Off Heater When Manually Lit Set manual ignition bypass switch on control panel to OFF automatic ignition position This will cause the controls to shut down the fireplace OPTIONAL BLOWER OPERATION Locate the blower switch by opening lower louver on fireplace Blower switch is located at lower left inside louver door Note It is safe to operate fireplace with blower...

Page 24: ...hown Pilot Burner Manual Ignitor Electrode Automatic Ignitor Electrode Thermocouple Manual Ignitor Electrode Automatic Ignitor Electrode BURNER FLAME PATTERNS Figure 43 shows correct front and or middle burner flame patterns Figure 44 shows incorrect front and or middle burner flame patterns The incorrect burner flame patterns show yellow tipping at top of blue flame WARNING If yellow tipping occurs y...

Page 25: ...llow the directions on the can If you don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burners pilot and primary air inlet holes on injector holder for dust and dirt see Figures 45 and 46 3 Blow air through the ports slots and holes in the burners 4 Check the injector holders ...

Page 26: ...air 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 POSSIBLE CAUSE 1 Battery in remote control is ei ther missing or has low power 2 Remote control is not pointed toward fireplace 3 Manual ignition bypass switch not in OFF position 4 No power available to fire place 5 Ignitor el...

Page 27: ...ean burner see Cleaning and Maintenance page 25 or replace burner orifice 2 Contact local gas company 1 Contact local natural or pro pane LP gas company 2 Clean burner see Cleaning and Maintenance page 25 or replace burner orifice 1 Clean burner see Cleaning and Maintenance page 25 or replace burner orifice 2 Replace damaged burner 3 Replace regulator 1 Check burner for dirt and debris If found clean...

Page 28: ...t Nut is located behind base panel 4 Replace ignitor cable 5 Replace piezo ignitor 6 Replace pilot assembly 7 Replace pilot assembly 1 Turn on gas supply or open equipment shutoff valve 2 Turn control knob to PILOT position full counterclockwise 3 Continue holding control knob in full counterclockwise posi tion Repeat igniting operation until air is removed 4 Contact local propane LP gas company 5...

Page 29: ...ing Gas Connec tions page 14 1 Properly locate logs see In stalling Logs page 18 2 Eliminate source of drafts around heater 3 Cleanoutairholesatburnerinlet Periodically repeat as needed 4 Remove blockage 1 Turn heater off when using furniture polish wax carpet cleaners or similar products OBSERVED PROBLEM Fireplace produces unwanted odors Fireplace shuts off in use ODS operates Gas odor even when ...

Page 30: ...www desatech com 110112 01C 30 60 59 ILLUSTRATED PARTS BREAKDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS VTGF33PRA VTGF33NRA SHOWN ...

Page 31: ... 1 33 110111 01 Bracket Switch and Piezo 1 34 102334 01 Palnut Fastener 1 35 107573 01 Valve Bracket 1 36 107743 01 Thermocouple Tube 1 37 107559 01 Gas Control Valve Natural 1 107559 02 Gas Control Valve Propane LP 1 38 107560 01 Magnetic Manual Over ride Handle 1 39 110108 01 Burner Shield 1 KEY NO PART NUMBER DESCRIPTION QTY 40 098544 01 Wire Support Clip 1 41 101629 01 1 5 Bushing 2 42 104015 ...

Page 32: ...www desatech com 110112 01C 32 ILLUSTRATED PARTS BREAKDOWN FIREPLACE MODELS VTGF33NRA AND VTGF33PRA 23 24 5 4 11 19 12 9 14 9 21 9 9 20 10 2 3 1 13 22 8 7 10 15 15 16 17 18 18 6 ...

Page 33: ...101712 03 Firebox Hood 1 7 102759 02CK Left Front Side 1 8 102758 02CK Right Front Side 1 9 M11084 26 Hex Screw 10 60 10 099230 01 Shoulder Screw 4 11 Firebox Wrapper 1 12 101514 01 Cover 1 13 098304 01 Phillips Pan Head Screw 10 22 14 Firebox Support 2 15 102455 02 Louver 2 16 104313 01 Hinge Pin 1 17 104313 02 Hinge Pin 1 18 M10908 2 Screw Slotted Hex Head Tapping 4 19 098304 03 Phillips Pan Hea...

Page 34: ...oducts 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 for propane LP units propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local natural or propane LP gas supplier TECHNICAL SERVICE You may ha...

Page 35: ...35 4 3 4 4 3 4 3 3 4 3 8 3 3 4 3 8 3 16 3 4 3 4 3 8 Diameter 2 Holes 1 8 Diameter 2 Holes CUT HERE TEMPLATES ...

Page 36: ...www desatech com 110112 01C 36 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 37: ...l models A care and maintenance video is available by calling 1 866 672 6040 You may also email your request to www productsupport desaint com FIRE CRACKLE CF6 A Not Shown For all models Creates the sound of a real burn ing fire FIREBOX BRICK LINER G8005 SERIES NOT SHOWN For all models Ceramic fiber firebox liner adds the look of real brick CABINET MANTEL WITH BASE Not Shown W32ELS Lyptus W32EU Unfini...

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Page 40: ...lated to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANYAND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ON ALL ...

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