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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.

MODELS

VSGF36NT, VSGF36PT, VSGF36NR AND VSGF36PR

UNVENTED (VENT-FREE) UNIVERSAL FIREBOX

OWNER’S OPERATION AND INSTALLATION MANUAL

Summary of Contents for VSGF36NR

Page 1: ... 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 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 s...

Page 2: ...l under Z21 91 2001 for use with approved ANSI Z21 11 2 decorative type unvented room heater This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indi cated on the rating plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale n...

Page 3: ...eep this manual for reference It is your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous WARNING Do not use a blower insert heat exchanger insertorotheraccessorynotap proved for use with this heater WARNING Do not allow fans toblowdirectlyintothefireplace Avoidanydraftsthatalterburner flame patterns Ceiling fans can create drafts t...

Page 4: ...e Troubleshooting page 27 10 Do not run fireplace where flammable liquids or vapors are used or stored under dusty conditions 11 Do not use this fireplace to cook food or burn paper or other objects SAFETY INFORMATION Continued 12 Do not use fireplace if any part has been exposed to or under water Immediately call a qualified service technician to inspect the fireplace and to replace any part of the co...

Page 5: ...k all items for any shipping damage If damaged promptly inform dealer where you bought fireplace PRODUCT FEATURES OPERATION This vent free fireplace is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by both realistic flames and glowing embers When used without the blower the fireplace requires no electricity making it ideal for emergency...

Page 6: ... located Allow for wall and ceiling clearances see Installation Clear ances page 10 2 Everything needed to complete installation 3 These models CANNOT be installed in a bedroom unless the maximum Btu rating of the installed vent free log set is less than 10 000 Btu hr 4 Proper air for combustion and ventilation page 7 PRODUCT SPECIFICATIONS Figure 3 Firebox Dimensions Firebox Top View Front View R...

Page 7: ...e air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 11 kg per pa sec m...

Page 8: ...liances Di rect vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater __________ Btu Hr Vent free fireplace ________ Btu Hr Total ________ Btu Hr 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used _________Btu Hr maximum the space can support _________Btu Hr actual amount of Btu Hr used Example 63 360 Btu Hr maximum the ...

Page 9: ...n grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent Figure 5 Ventilation Air from Outdoors Figure 4 Ventilation Air from Inside Building Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 Ventilation Grills Into Adjoi...

Page 10: ...nstall fireplace Call dealer where you bought fireplace for proper type fireplace WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted INSTALLATION Continued INSTALLATION CLEARANCES WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceiling and adjoining wall Carefully follow the instructions below This will ensure sa...

Page 11: ... in installation of this firebox involves install ing firebox into a framed in enclosure This makes the front of firebox flush with wall Optional brass trim accessories are available see Accessories page 31 The brass trim will extend past sides of firebox approximately 1 2 inch This will cover the rough edges of the wall opening If installing a mantel above the firebox you must follow the clearances sho...

Page 12: ... optional perimeter trim kit install the trim after final finishing and or painting of wall See instructions included with trim accessory for attaching trim 7 Install and properly test gas log heater Fol low installation instructions included with the vent free gas log heater that is being installed IMPORTANT When finishing your firebox combustible materials such as wall board gypsum board sheet roc...

Page 13: ...ntel is flush against wall 4 Install the trim kit furnished with mantel See instruction sheet included with the mantel 5 Carefully insert firebox into cabinet mantel Be careful not to scratch firebox cabinet mantel flooring etc when installing see Figure 12 Figure 11 Installing Cabinet Mantel Cabinet Mantel Gas Line Access Hole Either Side of Firebox Gas Piping Figure 12 Inserting Firebox Into Cabinet...

Page 14: ... optional CSA design certified equipment shutoff valve from your dealer See Accessories page 31 Minimum inlet pressure for purpose of input adjustment Figure 14 Gas Connection Sediment Trap CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap 3 Minimum Cap Pipe Tee Nipple Joint Natural Gas From Gas Meter 5 W C to 10 5 W C Pressure Propane LP From External Regulator 11 W C to 14 W C Pressur...

Page 15: ...re 15 Removing Log Base Assembly From Fireplace Figure 16 Attaching Flexible Gas Lines Together Flexible Gas Line from Fireplace Gas Regulator To Fireplace Gas Regulator Equipment Shutoff Valve Provided by Installer Propane LP To External Regulator Natural Gas To Gas Meter WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas We recommend that you install a sediment trap in s...

Page 16: ...st Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 17 2 Pressurize 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 INSTALLATION Continued Figure 17 Equipment Shutoff Valve Open Closed Equipment Shutoff Valve Figure 19 Chec...

Page 17: ...s see Figure 20 Push back of logs flush with metal grate bars 2 Rest middle log behind metal posts on grate as sembly Make sure the grooves in the bottom of the log fit over the grate Bring the log forward next to the metal posts see Figure 21 3 Slide the grooves in the back of the rear log against the rear grate prongs Make sure the log fits securely over the prongs see Figure 22 Make sure log is co...

Page 18: ...n 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 1 Remove screw holding duplex outlet cover to handy box Remove duplex outlet 2 Route electrical cable through strain relief and handy box see Figure 23 Tighten screws on strain relief 3 Connect electrical cable to duplex outlet Mat...

Page 19: ...iance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING Youmustoperate this fireplace with the fireplace screen in place Make sure fire place screen is installed before running fireplace NOTICE Duringinitialoperation of new fireplace burning logs will give off a paper burning smell Orange flame will also be present Open window to v...

Page 20: ... the heat output and flame height from higher to lower settings or pilot in order to maintain the comfort level you select The ideal comfort setting will vary by household depending upon the amount of space to be heated the output of the central heating system etc Note Selecting the HI setting will cause the burner to remain on without modulating down in most cases MANUAL LIGHTING PROCEDURE 1 Follo...

Page 21: ...fety information page 20 If you donʼt smell gas go to the next step 6 Press in and turn control knob counter clockwise to the PILOT position Press in control knob for five 5 seconds see Figure 28 Note You may be running this heater for the first time after hooking up to gas sup ply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas syste...

Page 22: ...you againstelectricalshock Onlycon nectplugtoaproperlygrounded three prongreceptacle Donotcut or remove the grounding prong from this plug Locate the blower switch by opening lower louver on fireplace Blower switch is located at lower left inside louver door This thermostat controlled blower has a vari able speed control with an ON OFFswitch The blower will start when the thermostat senses a suffici...

Page 23: ...ress the MANU button to turn on the fireplace Turns Hand Held Remote On or Off and Allows You to Choose the Manual Setting Selects Auto Setting Increases Room Temperature in AUTO Mode Digital Display Shows Temperature and Settings Turns Burners On or Off Decreases Room Temperature in AUTO Mode Figure 33 Thermostat Hand Held Remote Control Unit GHRCTB Locks System to Prevent Accidental Ignition 3 Pr...

Page 24: ...o Turn Off Gas to Ap pliance page 20 or 22 depending on your model see Troubleshooting page 27 Note The correct pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color MAIN BURNER Periodically inspect all burner flame holes with the heaterrunning Allslottedburnerflameholesshould be open with yellow flame present All round burner flame holes s...

Page 25: ...home center may carry compressed air in a can You can use a vacuum cleaner in the blow position If using com pressed air in a can please follow the directions on the can If you donʼt 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 burner pilot and primary air inlet holes on injecto...

Page 26: ...e your address model and serial numbers of your firebox how firebox was malfunctioning type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they canʼt supply original replacement part s call DESA at 1 866 672 6040 for referral infor mation When calling DESA have ready ...

Page 27: ...nd 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 3 Press in control knob while in PILOT position 4 Continue holding down con trol knob Repeat igniting op eration until air is removed 5 Contact local propane LP gas company 6 Clean ODS pilot see Cl...

Page 28: ...fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open equipment shutoff valve 4 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 25 or replace ODS pilot assembly 5 Hand tighten until snug then tighten 1 4 turn more 6 Replace pilot assembly 7 Replace control valve 8 Wait one minute for safety in terlock system to res...

Page 29: ...ition and let warm up for a minute 2 Operate burners until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installation clearances see page 10 4 Clean burners see Cleaning and Maintenance page 25 or replace burner orifice s 1 Turn heater off when using furniture polish wax carpet cleaners or similar products 1 Replace 9 volt batteries in r...

Page 30: ... foreign matter 2 Locate and correct all leaks see Checking Gas Connec tions page 16 1 Properly locate logs see In stalling Logs page 17 2 Eliminate source of drafts around heater 3 Clean out air holes at burner inlet Periodically repeat as needed 4 Remove blockage 1 Reposition thermostat sensing bulb see Instructions for Op tional Positioning of Thermo stat Sensing Bulb page 26 2 Move hand held r...

Page 31: ...rim Polished Brass PT36P Perimeter Trim Platinum RECEIVER AND HAND HELD THERMOSTAT REMOTE CONTROL KIT GHRCTB For all Remote Ready Models Allows the gas log heater to be operated in a manually or thermostati cally controlled mode You can turn the gas log heater on and off without ever leaving the comfort of your easy chair RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRCB ForallRemote ReadyModels All...

Page 32: ...www desatech com 113192 01B 32 ILLUSTRATED PARTS BREAKDOWN MODELS VSGF36PT VSGF36NT LP G 19 21 22 23 24 17 14 14 16 13 12 27 28 29 2 11 5 4 3 7 9 10 10 8 6 1 18 20 26 16 15 25 ...

Page 33: ...ODS Nut 4 11 102846 01 102846 01 Burner Tube 1 12 102257 08 102257 08 Base Assembly 1 13 Firebox Bottom 1 14 115410 01 115410 01 Magnet and Bracket Kit 2 15 103650 01 103650 01 Knob 1 16 106683 01 106683 01 Firebox Support Leg 2 17 101382 01 101382 01 Valve Bracket 1 18 101329 22 101329 20 Thermostat Gas Valve 1 19 101381 01 101381 01 Cover and Piezo Valve 1 20 099387 09 099387 09 Pilot Tube 1 21 ...

Page 34: ...www desatech com 113192 01B 34 ILLUSTRATED PARTS BREAKDOWN MODELS VSGF36PR VSGF36NR LP G 25 19 21 17 14 14 16 13 12 30 31 32 2 11 5 4 3 7 9 10 10 8 6 1 18 24 26 27 20 22 23 29 16 15 28 ...

Page 35: ...7 08 Base Assembly 1 13 Firebox Bottom 1 14 115410 01 115410 01 Magnet and Bracket Kit 2 15 103650 01 103650 01 Knob 1 16 106683 01 106683 01 Firebox Support Leg 2 17 104241 02 104241 02 Valve Bracket 1 18 103781 01 103781 01 Gas Valve 1 19 103782 01 103782 01 Valve Bracket 1 20 098265 02 098265 02 Male Elbow 1 21 099387 09 099387 12 Pilot Tube 1 22 ____ 099918 02 Pilot Regulator 1 23 ____ 100609 ...

Page 36: ...www desatech com 113192 01B 36 ILLUSTRATED PARTS BREAKDOWN MODELS VSGF36PT VSGF36NT VSGF36PR AND VSGF36NR 1 4 8 7 6 9 10 11 12 22 18 25 26 20 17 21 19 16 15 13 5 2 3 14 23 24 ...

Page 37: ...an Collar 1 13 Insulation Pan 1 14 Fireplace Top Insulation 1 15 Fireplace Top 1 16 20280 Top Spacer 4 17 Fireplace Surround 1 18 107128 01 Gas Conduit 2 19 115408 01 Receptacle Plate 1 20 21171 Gas Knock Out Cover 4 21 103771 01 Strain Relief 1 22 115402 01 Steel Receptacle Box 1 23 103581 02 Blower 1 24 M11084 38 Hex Screw 8 3 25 103769 01 Duplex Outlet 1 26 115403 01 Steel Receptacle Cover 1 No...

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Page 40: ...ts 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 THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUD ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR 4 YEARS ...

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