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Shown with optional

cabinet mantel,

hearth base, and trim

accessories.

Variable Manually-

Controlled Model

VSGF28NVA

Thermostatically-

Controlled Model

VSGF28NTC

with

Split Oak Logs

®

UNVENTED (VENT-FREE)
NATURAL GAS FIREPLACE

OWNER’S OPERATION AND
INSTALLATION MANUAL

For more information, visit www.desatech.com

For more information, visit www.desatech.com

This appliance may be installed in an aftermarket,* permanently located, manufactured
(mobile) home, where not prohibited by local codes.
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.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing 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

qualified installer, service agency, or the gas supplier.

WARNING: Improper installa-
tion, adjustment, alteration, ser-
vice, or maintenance can cause
injury or property damage. Re-
fer to this manual for correct
installation and operational pro-
cedures. For assistance or ad-
ditional information consult a
qualified installer, 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.

Save this manual for future reference.

Save this manual for future reference.

Summary of Contents for Vanguard VSGF28NTC

Page 1: ...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 t...

Page 2: ...rner flame patterns Altered burner patterns can cause sooting WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with this fireplace Due to high temperatu...

Page 3: ...as an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the fireplace if not enough fresh air is available See Air for Combustion and Ventilation pages 4 through 6 If fireplace kee...

Page 4: ...packing Note The hood is located in the packing on the right hand side of the heater front Lift the heater off the bottom tray 2 Locate two screws above top corners of the fireplace screen Remove and...

Page 5: ...rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height ___________ cu ft volume of space Example S...

Page 6: ...attic will activate the power vent Figure 4 Ventilation Air from Outdoors Figure 3 Ventilation Air from Inside Building NOTICE This heater is intended for use as supple mental heat Use this heater al...

Page 7: ...type fireplace Figure 5 Installing Hood INSTALLING HOOD Install hood to rail already installed in fireplace as shown in Figure 5 Use 3 Phillips screws provided ELECTRICAL HOOKUP Model VSGF28NTC or VS...

Page 8: ...all at installation loca tion Cut an access hole in hearth top to run gas line to fire place see Figure 9 Make sure to locate access hole so cabi net mantel will cover it when installed Note You can s...

Page 9: ...connections for leaks See Checking Gas Con nections page 12 Figure 10 Installing Cabinet Mantel Cabinet Mantel Figure 11 Location of Nailing Flanges Nailing Flanges Figure 12 Inserting Fireplace Into...

Page 10: ...tel Clearances for Built In Installation Mantel Shelf Note All Vertical measurements are from top of fireplace opening to bottom of mantel shelf Nailing Flanges Nails or Wood Screws INSTALLING GAS PIP...

Page 11: ...stallation Items Needed 5 16 hex socket wrench or nut driver Phillips screwdriver sealant resistant to propane LP gas not provided 1 Remove fireplace screen Remove two screws that hold fire place scre...

Page 12: ...s of 1 2 psig will damage fireplace gas regulator 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize supply piping system by either using compressed air or opening...

Page 13: ...rward next to the metal posts see Figure 23 3 Slide the grooves in the back of the rear log 3 against the rear grate prongs Make sure the peg on the log is on top see Figure 24 4 Place the crossover l...

Page 14: ...adjust heating levels by using the equipment shutoff valve 1 STOP Read the safety information above 2 Make sure equipment shutoff valve is fully open 3 Turn control knob clockwise Clockwise to the OF...

Page 15: ...knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service techni cian or gas supplier Force or attempted repair may result in a fire or explosi...

Page 16: ...Do not try to adjust heating levels by using the equipment shutoff valve VARIABLE CONTROL OPERATION The variable control valve can be set to any heat setting and flame heightdesired bysimplyturningth...

Page 17: ...32 turn fireplace off see To Turn Off Gas to Appliance page 15 Thermostat controlled models or page 16 Manually controlled models see Troubleshooting pages 19 through 21 OPERATING FIREPLACE MANUALLY...

Page 18: ...lease follow the direc tions 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...

Page 19: ...ry 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 3 Press...

Page 20: ...ulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LO position and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by lo c...

Page 21: ...tact qualified ser vice person 1 Open window and ventilate room Stop using odor causing products while fire place is running 2 Locate and correct all leaks see Check ing Gas Connections page 12 1 Open...

Page 22: ...R WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Technical Service Department at 1 866 672 6040 When calling DESA Intern...

Page 23: ...Oak Finished with Medium Stain GM102WSeries Off WhitePaint Shown with optional base and laminate hearth and mantel trim accessories Dimensions WxHxD 56 3 4 x 48 x 22 3 4 HARDWOOD HEARTH BASE GC3333F S...

Page 24: ...visit www desatech com 26 7 8 7 7 18 6 12 11 7 5 9 17 22 15 10 25 13 5 5 5 5 20 14 18 31 28 23 29 19 27 30 24 16 21 32 1 2 3 4 ILLUSTRATED PARTS BREAKDOWN LOG BASE ASSEMBLY VARIABLE MANUALLY CONTROLLE...

Page 25: ...8CJ Base Assembly 1 12 098271 06 Ignitor Cable 1 13 103410 01CK Firebox Bottom 1 14 098867 09 Gas Regulator 1 15 101004 04 Front Burner Injector 1 16 102445 01 Piezo Ignitor 1 17 101007 01 Crossover T...

Page 26: ...t www desatech com For more information visit www desatech com ILLUSTRATED PARTS BREAKDOWN FIREPLACE VSGF28NVA 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 ILLUSTRATED PAR...

Page 27: ...098304 01 Phillips Pan Head Screw 10 17 6 101351 01CK Top Front 1 7 102455 02 Top Louver Assembly 2 8 101353 01CK Middle Front Rail 1 9 101712 02 Firebox Hood 1 10 101348 01 Firebox Support 2 11 0992...

Page 28: ...ion visit www desatech com ILLUSTRATED PARTS BREAKDOWN LOG BASE ASSEMBLY THERMOSTAT CONTROLLED MODEL VSGF28NTC 17 5 26 7 8 7 7 18 6 12 11 1 2 4 3 6 9 15 10 25 13 28 5 5 5 5 21 24 22 18 23 12 6 2 19 14...

Page 29: ...5 Front Burner Assembly 1 10 109824 02 Back Burner 1 11 102257 08CJ Base Assembly 1 12 098271 06 Ignitor Cable 1 13 103410 01CK Firebox Bottom 1 14 098867 09 Gas Regulator 1 15 101004 04 Front Burner...

Page 30: ...om For more information visit www desatech com ILLUSTRATED PARTS BREAKDOWN FIREPLACE VSGF28NTC 1 2 3 4 16 16 6 12 18 10 10 7 13 16 26 24 16 23 25 20 24 24 21 16 16 7 17 14 5 16 16 15 8 9 19 22 11 11 1...

Page 31: ...Firebox Hood 1 10 101348 01 Firebox Support 2 11 099230 01 Shoulder Screw 4 12 101872 03 Firebox Top 1 13 101346 01 Outer Base 1 14 Firebox Wrapper 1 15 101614 02 Limit Switch thermal disk Assy 1 16 M...

Page 32: ...______________________________________________________ _______________________________________________________________________________________________ _________________________________________________...

Page 33: ...ted College Completed Graduate School 13 Age of Purchaser Under 20 20 29 30 39 40 49 50 59 60 or Over 14 Buyer s total annual household income Under 15 000 15 000 to 19 999 20 000 to 34 999 35 000 to...

Page 34: ...107157 01F 34 For more information visit www desatech com For more information visit www desatech com 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 Postage Required TM...

Page 35: ...________________________________________________________ _______________________________________________________________________________________________ _______________________________________________...

Page 36: ...ion and any and all such other costs related 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...

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