Desa VsGF28nTF, Owner'S Operation And Installation Manual

Page 1: ...nce 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 Thermostatically controlled MODELS VSGF28NTF and VSGF28PTF UNVENT...

Page 2: ... damage Refer to this manual for correct installation and operation al procedures For assis tance or additional infor mation consult a qualified installer service agency or the gas supplier WARNING This 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 Ve...

Page 3: ...ornia to cause cancer or birth defects or other reproduc tive harm IMPORTANT Read this owner s manualcarefullyandcompletely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early s...

Page 4: ...place if enough fresh air is not available See Air for Combustion and Ventilation page 6 If fireplace keeps shutting off see Troubleshooting page 22 SAFETY INFORMATION Continued 11 Do not run fireplace where flammable liquids or vapors are used or stored under dusty conditions 12 Do not use this fireplace to cook food or burn paper or other objects 13 Do not use fireplace if any part has been expo...

Page 5: ... 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 backup heat Safety Device This fireplace has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heat ers The ODS pilot s...

Page 6: ... 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 7: ...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 maxim...

Page 8: ... 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 4 Ventilation Air from Outdoors Figure 3 Ventilation Air from Inside Building Or Remove Door into Adjoining Room Option 3 Ventilation Grills Into Adjoining Room Option 2 Ventilation Grills Into Adjoin...

Page 9: ...lace is level If fireplace is not level log set will not work properly CHECK GAS TYPE Use the correct gas type natural or propane LP for your fireplace If your gas supply is not cor rect do not install fireplace Call dealer where you bought fireplace for proper type fireplace This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use...

Page 10: ...learances from the top of the fireplace opening to the ceiling should not be less than 42 Conventional Fireplace Installation Conventional installation of this fireplace involves installing fireplace along with the corner face or cabinet mantel with hearth base accessories against a wall in your home Follow the instructions in this section to install the fireplace in this manner 1 Assemble cabinet...

Page 11: ...mantel or any laminate trim on hearth base Remove protective material from top of hearth base and from front of fireplace if any Note You can secure fireplace to hearth or floor Open lower louver Locate screw holes in bottom of base Tighten wood screws through these holes and into hearth or floor 11 Attach flexible gas line from fireplace gas regulator to gas supply See Connecting Fireplace to Gas...

Page 12: ...ls or wood screws through holes in nailing flange see Figure 15 8 Check all gas connections for leaks See Checking Gas Connections page 15 Installation Continued Figure 13 Rough Opening for Installing in Wall Figure 14 Rough Opening for Installing in Corner 35 1 2 17 3 4 33 39 3 8 27 7 8 55 5 8 35 1 2 Figure 15 Attaching Fireplace to Wall Studs Nailing Flanges Nails or Wood Screws 9 Plug electrica...

Page 13: ...sign certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 26 For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and ...

Page 14: ...replace may not run properly Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 26 Minimum inlet pressure for purpose of input adjustment Figure 18 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 E...

Page 15: ... fireplace with screws removed in step 2 Pressure Testing gas Supply Piping system Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect fireplace with its main gas valve control valve and equipment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage fireplace regulator 2 Cap off open end of gas pipe where equipment shutoff valve was connected 3 Pressurize s...

Page 16: ...contain important safety and warranty information It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Place bottom log in center of the base assem bly as shown in Figure 24 2 Rest rear log in back corner sections of base assembly as shown in Figure 24 Make sure log is completely vertical and not leaning in toward burner where the...

Page 17: ...ot 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 appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow t...

Page 18: ...CE Continued Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 19 7 Keep control knob pressed in for30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 This fireplace has a safety in...

Page 19: ...ILOT FLAME PATTERN Figure29shows a correctpilot flame pattern Figure 30 shows an incorrect pilot flame pattern The incor rect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the fireplace will shut down If pilot flame pattern is incorrect as shown in Figure 30 turn fireplace off see To Turn Off Gas to Ap pliance page 18 see Troubles...

Page 20: ...lso recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or 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 don t ...

Page 21: ...sure Manifold 3 4 W C Inlet Gas Pressure in of water Maximum 10 5 Minimum 5 Shipping Weight 100 lbs For input adjustment Model VSGF28PTA Rating Variable 23 000 28 000 Btu Hr Type Gas Propane LP Ignition Piezo Pressure Manifold 7 9 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 Shipping Weight 100 lbs For input adjustment Wiring Diagram CAUTION Label all wires prior to disconnection when ...

Page 22: ...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 23: ...ff valve 4 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 20 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 reset Repeat ignition operation 1 Contact local natural or pro pane LP gas company 2 Clean burner s se...

Page 24: ...hecked by local natural or propane LP gas company 3 Observe minimum installation clearances see page 10 4 Clean burners see Cleaning and Maintenance page 20 or replace burner orifice s 1 Turn heater off when using furniture polish wax carpet cleaners or similar products 1 Properly locate logs see In stalling Logs page 16 2 Eliminate source of drafts around heater 3 Clean out air holes at burner in...

Page 25: ...ing and Maintenance page 20 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 Gas odor even when control knob is in OFF position Gas...

Page 26: ...placed under warranty Parts Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Products Technical Service Department at 1 866 672 6040 When calling DESA have ready your name 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...

Page 27: ...2B Brushed Brass Finish 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 Accessories Continued Perimeter TRIM ACCESSORY Not Shown PT32 Black Finish PT32P Platinum Finish PT32PB Polished Brass Fin...

Page 28: ...www desatech com 119303 01A 28 11 13 23 17 9 4 6 10 18 7 8 1a 1b 1f 1c 1d 1e 15 3 2 19 22 20 16 21 12 12 24 18 25 14 26 5 Illustrated Parts Breakdown Models VSGF26NTF VSGF26PTF ...

Page 29: ...05 03 Base Assembly 1 10 098271 10 Ignitor Cable 1 11 Firebox Bottom 1 12 098867 10 Gas Regulator 1 098867 09 Gas Regulator 1 13 101004 01 Front Burner Injector 1 101004 04 Front Burner Injector 1 14 102845 01 Inlet Tube 1 15 101382 01 Thermovalve Bracket 1 16 099387 09 Pilot Tube 1 17 112708 06 Burner Tube 1 18 097809 02 Adapter 1 19 099211 01 Screw 2 20 098544 01 Thermostat Clamp 1 21 101329 14 ...

Page 30: ...www desatech com 119303 01A 30 ILLUSTRATED PARTS BREAKDOWN Models VSGF28PTF and VSGF28NRF 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 11 ...

Page 31: ...box Hood 1 10 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 M11084 26 Hex Screw 10 57 17 098304 02 Phillips Pan Head Screw 6 20x 38 4 18 101727 03 Screen Assembly 1 19 101398 03 Wire Harness 1 20 103650 01 Control Knob 1 21 103581 02 Blower Assembly 1 22 099123 01 Wire Clip ...

Page 32: ... 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 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 YE...