Desa VMH26TNC User's Manual
Contents
1.2. Figure 19 Wiring Diagram For Blower Accessory Built In Installation Blower Bracket Assembly Plastic Wire Strap es Md Valve S Cover T Shield Clamp Connector lief clamp not supplied to secure incoming electrical supply Follow steps 2 through 6 in Installing Blower Assembly page 13 Also remove black wire from middle switch terminal 2 Remove black plastic strain relief and power cord from switch plate The power cord supplied will not be used in built in installations Pop in the plastic snap bushing found in hardware kit into the hole left by supply cord strain relief A licensed electrician must follow the wiring diagram to connect incoming electrical sup ply to fan kit wiring harness see Figure 19 Plug power cord to the outlet receptacle not provided as shown in Figure 18 Wind the extra power cord and tie it up with the plastic wire strap see Figure 20 Set the power cord bundle between the burner bracket and outer casing away from the burner Reinstall valve cover shield Test to make sure the blower is working properly Reinstall upper louver assembly and hood if previously removed see Figure 15 page 13 Close lower louver door Wire Harness Box Cover not included Figure 20 Installing Blower Bracket Assembly 113111 01B www desatech com 1 a INSTALLATION Continued Extension Cord Use extension cord if needed The cord must have a three prong
3. Install snap bushings found in hardware kit into both holes in rear of valve cover shield Make sure the wire harness is firmly con nected to the terminals on the blower bracket assembly Note the wire locations on back of AUTO OFF ON switch The terminals on back of switch are numbered 1 2 and 3 Carefully remove red wire from terminal 1 and blue wire from terminal 3 Black wire can remain on middle terminal 2 see Figure 17 Carefully disconnect green and white wires at their insulated connectors In top of the heater cabinet locate the four mounting holes on the outer casing Align these four holes with those on the blower bracket assembly Attach blower bracket as sembly to the outer casing with 4 10 screws provided see Figure 17 6 Route the wire harness through the hole in left side of baffle Pull wire harness through lower opening above where the valve shield was re moved see Figure 17 7 Insert the 4 wire harness into one of the round holes in the rear of the valve cover shield and through the rectangular hole in the front of shield see Figure 17 8 Reconnect red wire to switch position 3 Re connect blue wire to switch position 1 Re connect green and white wires 9 Install the switch plate on the valve cover shield with 2 10 screws provided see Fig ure 17 Reinstall the valve cover shield Route power cord out of the cabinet by inserting it through the bushing on the outer casing see Figure
4. Figure 32 Correct Pilot Flame Pattern Propane LP Shown Pilot Burner Thermocouple Figure 33 Incorrect Pilot Flame Pattern Propane LP Shown BURNER FLAME PATTERN Figure 34 shows a correct burner flame pattern Figure 35 shows an incorrect burner flame pat tern The incorrect burner flame pattern shows sporadic irregular flame tipping The flame should not be dark or have an orange reddish tinge Note When using the fireplace the first time the flame will be orange for approximately one hour until the log cures If burner flame pattern is incorrect as shown in Figure 35 e turn fireplace off see To Turn Off Gas to Ap pliance page 20 e see Troubleshooting pages 23 through 26 Figure 35 Incorrect Burner Flame Pattern 113111 01B www desatech com 21 CLEANING AND MAINTENANCE AR WARNING Turn offfireplace and let cool before cleaning Ay CAUTION You must keep control areas burner and cir culating air passageways of fire place clean Inspect these areas of fireplace before each use Have fireplace inspected yearly by a qualified service person Fireplace may need more fre quent cleaning due to exces sive lint from carpeting bed ding material pet hair etc AX WARNING Failure to keep the primary air opening s of the burner s clean may result in sooting and property damage BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air
5. gt J LR PERIMETER TRIM KIT GA6094 For all models Optional three sided perimeter trim kit for custom and recessed installations when unit is on the floor Provides a finished appearance by covering rough edges of wall open ing Included with all mantels PERIMETER TRIM KIT GA6095 GA6094 Polished Brass GAB6094 Black GAP6094 Platinum For all models Optional three sided perimeter trim kit for custom and recessed installations when unit is on the floor Provides a finished appearance by covering rough edges of wall open ing Black trim included with all mantels EXTRUDED LOUVER KIT Not Shown GA9092 Polished Brass GAP9092 Platinum For all models Optional extruded louver Kit con tains 2 louvers THERMOSTATICALLY CONTROLLED BLOWER KIT GA3450TA For all models Provides better heat distribution Makes fireplace more efficient Automatically turns off and on as needed CABINET MANTEL WITH FULL HEARTH BASE AND ROUNDED LEG STYLING Unfinished GMC61U Oak Finished GMC60F Appearance May Differ by Model For all models A mantel and hearth base offers compact styling and completes the fireplace look Available in a oak stain finish or an unfinished birch ready to stain or paint Complete assembly instructions included Three sided perimeter trim kit included 30 www desatech com 113111 01B ACCESSORIES Continued LT CORNER MANTEL WITH FULL HEA
6. Pilot flame not touching ther mocouple which allows ther mocouple to cool causing pi lot flame to go out This prob lem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple damaged Control valve damaged 2 After ODS pilot lights keep control knob pressed in 30 seconds Wait one minute for safety in terlock system to reset Repeat ignition operation Fully open equipment shutoff valve Hand tighten until snug then tighten 1 4 turn more A Contact local propane LP or natural gas company B Clean ODS pilot see Cleaning and Maintenance page 22 or replace ODS pi lot assembly Replace pilot assembly Replace control valve Burner does not light after ODS pilot is lit Delayed ignition of burner Burner orifice is clogged Inlet gas pressure is too low Manifold pressure is too low Burner orifice is clogged 1 2 1 2 Clean burner see Cleaning and Maintenance page 22 or replace burner orifice Contact local propane LP or natural gas company Contact local propane LP or natural gas company Clean burner see Cleaning and Maintenance page 22 or replace burner orifice Burner backfiring during com bustion Burner orifice is clogged or damaged Burner damaged Low inlet gas pressure Gas regulator defective 1 Clean burner see Cleaning and Maintena
7. Use two 3 wood screws provided and attach fireplace base to wooden base see Figure 12 Remove trim kit and mantel Be careful not to damage wall or mantel Place wood base next to wall at installation location Mantel Shelf Note All vertical measurements are from top of fireplace opening to bottom of mantel shelf All measurements are in inches Figure 11 Minimum Mantel Clearances for Built In Installation Hole for 3 wood screw for attaching Shoulder crew fi Hole for 3 wood screw for attaching fireplace to wooden base replace to mantel Assembled Trim Figure 12 Attaching Trim to Fireplace 2 Place fireplace on wood base 3 Place mantel around fireplace base assembly 12 www desatech com 113111 01B 10 Ti 12 13 14 15 16 INSTALLATION Continued Attach wood base to floor with two 1 3 4 black screws provided see Figure 13 If the floor is concrete use anchor method see Attaching Wood Base to Solid Floor page 16 Install gas line See Connecting To Gas Sup ply page 16 Check for leaks See Checking Gas Connec tions page 18 Place mantel around fireplace Be careful not to damage wall or mantel Place trim kit on the shoulder screws located on the side and top of the fireplace Firmly snap the trim over the shoulder screws on fire place see Figure 12 page 12 Adjust assembly to remove any gaps Attach remaining two 3 wood screws fro
8. a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater 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 Ventilation section on page 6 of this manual 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 TABLE OF CONTENTS Safety Information 0 cece eeeseeeeeeteeetees 3 Cleaning and Maintenance eee 22 Local COJE Srnice eeir E NEE 4 Troubleshooting cocoinonicinnnnnnnicnnnnnannacanannncnans 23 Product Identification 0 0 0 0 eee A Specifications errada 27 Product Features ocormmcirrnscsccorrin ss 5 Service HIME icons 27 NANG KING sia ciscaninaeseiieacappantediandenindetacanermraceisneanane 5 Technical Service ce eeeeeeeesseeeeeeneeeeeees 27 ASSOMDIY sisi 5 Replacement POMS vcccrsiineesccssccamrncrnnsienceens 27 Air for Combustion and Ventilation 6 Illustrated Parts Breakdown and Parts List 28 Installation scccccsiesctesescrenvcsentsiveesteecsccceveeripeeseeassueh 9O ACCOSSOM S siria d
9. clockwise XN to the PI LOT position THERMOSTAT CONTROL OPERATION The thermostatic control used on this fireplace dif fers from standard thermostats Standard thermo stats simply turn on and off the burner The ther mostat used on this fireplace senses the room tem perature The thermostat adjusts the amount of gas flow to the burner This increases or decreases the burner flame height At times the room may exceed the set temperature If so the burner will shut off The burner will cycle back on when room temperature drops below the set temperature The control knob can be set to any heat level between HI and LO Note The thermostat sensing bulb measures the temperature of air near the fireplace cabi net This may not always agree with room tem perature depending on housing construction installation location room size open air tem peratures etc Frequent use of your fireplace will let you determine your own comfort levels NN MANUAL LIGHTING PROCEDURE 1 Follow steps 1 through 5 under Lighting In structions starting on page 19 column 1 2 With control knob pressed in strike match Hold match to pilot until pilot lights Position 3 Keep control knob pressed in for 30 sec onds after lighting pilot After 30 seconds release control knob Now follow step 8 under Lighting Instructions column 1 20 www desatech com 113111 01B OPERATING FIREPLACE Continued OPERATING BLOWER This blower has t
10. codes do not permit concealed gas con nections A flexible gas line is provided to allow accessibility fromthe fireplace see Figure 24 The flexible gas supply line con nection to the equipment shutoff valve should be accessible A CAUTION Avoid damage to regulator Hold gas regulator with wrench when connecting it to gas piping and or fittings 4 Apply pipe joint sealant lightly to male threads of gas connector attached to flexible gas line equipment shutoff valve see Figure 25 page 18 5 Check all gas connections for leaks See Checking Gas Connections page 18 Replace branch support back into fireplace Feed flexible gas line into fireplace base area while replacing branch support Make sure the entire flexible gas line is in fireplace base area Reattach branch support to fireplace with screws removed in step 2 Shoulder Screw Branch Screen Support Shipping Screw Screen Figure 24 Removing Log Base Assembly From Fireplace 113111 01B www desatech com 17 INSTALLATION Continued To Fireplace Gas Regulator Equipment Shutoff Valve Provided by Installer Flexible Gas Line from Fireplace Gas D Regulator Provided with Fireplace PROPANE LP M To External Regulator NATURAL To Gas Supply Figure 25 Attaching Flexible Gas Line to Equipment Shutoff Valve CHECKING GAS CONNECTIONS A WARNING Test all gas pip ing and connections inter
11. grounding plug and a three hole recep tacle Make sure cord is in good shape It must be heavy enough to carry the current needed An under sized cord will cause a drop in line voltage This will result in loss of power and overheating Use a No 16 AWG cord for lengths less than 50 feet ATTACHING WOOD BASE TO SOLID FLOOR For attaching base to solid floors concrete or masonry Note Floor anchors and mounting screws are in hardware package The hardware package is pro vided with fireplace 1 Drill holes at marked locations using 5 16 drill bit For solid floors concrete or ma sonry drill at least 1 deep Fold floor anchor as shown in Figure 21 3 Insert floor anchor wings first into hole Tap anchor flush to floor 4 Insert mounting screws through base and into floor anchors 5 Tighten screws until base is firmly fastened to floor Figure 21 Folding Anchor CONNECTING TO GAS SUPPLY AR WARNING This appliance re quires a45 male flare fitting 5 8 18 UNF Unified National Fine Thread inlet connection and the flexible gas line provided Ay WARNING A qualified ser vice person must connect fire place to gas supply Follow all local codes Acaution Never connect pro pane LP fireplace directly to the propane LP supply This fireplace requires an external regulator not supplied Installthe external regu lator between the fireplace and propane LP supply AX WARN
12. to make your home energy effi cient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three fol lowing ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 6 through 8 will help you classify your space and provide adequate ven tilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ven tilation However in buildings of unusually tight construction you must provide additional fresh air 6 www desatech com 113111 01B AIR FOR COMBUSTION AND VENTILATION Continued 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 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has bee
13. 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 30 Note If desired purchase a four sided trim kit for built in installations See Accessories page 30 113111 01B www desatech com 9 INSTALLATION Continued LOCATING FIREPLACE AX WARNING Maintain the minimum clearances shown in Figures 6 and 7 If you can pro vide greater clearances from floor ceiling and joining wall You can recess firebox into the wall You can also position fireplace in the optional cabinet or cor ner mantels IMPORTANT Only use optional cabinet or corner mantels specified in this manual Purchase the optional mantel from your dealer see Accessories page 30 CEILING 36 Minimum Lo gu Minimum From Sides Of Fireplace Left Right 0 Minimum Side Side To Top Surface Of Carpeting Tile Or Other FLOOR Combustible Material Figure 6 Mounting Clearances As Viewed From Front of Fireplace Shown Built In the Wall CEILING oe Top Of Mantel Can Be Flush With Wall 36 Minimum Right 0 Minimum To Top Surface Of Carpeting Tile Or Other Combustible Material Figure 7 Mounting Clearances As Viewed From Front of Fireplace Shown with Optional Mantel Note When installing fireplace directly on car peting tile or other combustible materia
14. your local propane LP or natural gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating Products tech nical services web site at www desatech com VMH26TPC VMH26TNC 14 000 26 000 14 000 26 000 Propane LP Only Natural Only Piezo Piezo 8 W C 3 W C 14 10 5 11 s 25 sx 26 W 16 x 9 3 8 32 58 x 27 9 16 x 11 s 44 48 lbs 25 sx 26 3 16 x 9 3 8 32 8 x 27 7 16 x 11 5 8 5 lbs 44 5 lbs 48 lbs REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts re 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 for referral information When calling DESA Heating Products have ready e your name e your address e model and serial numbers of your fireplace e how fireplace was malfunctioning e 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 can t supply original replacement part s ca
15. 08 2 103734 01 M11084 26 097809 03 101629 01 107634 02 101054 01 100563 01 103470 01 DESCRIPTION ow Outer Casing Top Outer Casing Shoulder Screw Screw 10 x 3 8 Burner Louvered Door Left and Right Side Front Bushing Hex Washer Head Tapping Screw Firebox Hood Firebox Top ODS Pilot Assembly Firebox Wrapper Control Bracket Screw Inlet Tube Burner Tube Black Screw 6 x 3 8 Regulator Screw Outer Shell Base Branch Support Gas Regulator Regulator Bracket Valve Cover and Piezo Pilot Tube Ignitor Cable Injector Pilot Bracket Nut M5 Gas Valve Baffle Flexible Connector Control Bracket Control Shield Screen Assembly Log Set Kit Right Hinge Left Hinge Hinge Screws Burner Support Hex Head Screw 10 x 3 8 3 8 NPT x 3 8 Flare Brass Fitting Bushing NG Conversion Plate Lighting Instructions Plate Warning Plate Hardware Package Part not available for field replacement o 113111 01B www desatech com 29 ACCESSORIES NOTICE All accessories may not be available for all fireplace models Purchase these fireplace accessories from your local dealer If they cannot supply these accesso ries call DESA Heating Products Sales Depart ment at 1 866 672 6040 for referral information You can also write to the address listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap
16. 17 Plug fan kit into 120 Volt grounded power supply and test operation Note When switch is in the AUTO position the fan will start after the heater has run for a few moments The fan will continue to run for several moments after the heater has been turned off When switch is in the ON posi tion the fan will run until turned to OFF Re install upper louver assembly and hood if pre viously removed see Figure 15 page 13 Close lower louver door Blower Bracket Assembly Wire Wiring Routing Harness Hole in Baffle Switch Plate Valve Cover BoxCover Harness Shield Figure 17 Installing Blower Bracket Assembly 4 www desatech com 113111 01B INSTALLATION Continued Valve Cover Shield Figure 18 Installing Switch Plate to Valve Cover Shield For Built In Installation AX WARNING A licensed elec trician must connect the wiring harness to electrical supply fol lowing all local codes Electri cian must provide a clamp on the box cover to secure the wir ing Wiring should be routed through the bushing in the hole on the outer casing of heater Follow instructions Removing Valve Cover Shield page 13 then A Install a snap bushing found in hardware kit into one of the holes found on rear of valve cover shield The other hole is for a strain re Blue Thermostat Di Blue Fan Switch Auto Off On e
17. ANT Vent free fireplaces add moisture to the air Although this is beneficial installing fireplace in rooms without enough ventilation air may cause mildew to form from too much mois ture See Air for Combustion and Ventilation pages 6 through 8 Note Your Vanguard fireplace is designed to be used in zero clearance installations Wall or fram ing material can be placed directly against any exterior surface of your fireplace except where standoff spacers are integrally attached If stand off spacers are attached to your fireplace these spacers can be placed directly against wall or fram ing materials Use the dimensions shown for rough openings to create the easiest installation see Built In Fire place Installation page 10 CHECK GAS TYPE Use only the correct type of gas natural or pro pane LP If your gas supply is not the correct gas type do not install heater Call dealer where you bought heater for proper type heater WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted INSTALLATION ITEMS Before installing fireplace make sure you have the items listed below external regulator propane LP only supplied by installer piping check local codes sealant resistant to propane LP gas equipment shutoff valve test gauge connection ground joint union sediment trap tee joint pipe wrench ACSA design certified equipment shutoff
18. ING Never connect natural gas fireplace to private non utility gas wells This gas is commonly knownaswellhead gas For propane LP units installer must supply an external regulator The external regulator will re duce incoming gas pressure You must reduce in coming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pres sure fireplace regulator damage could occur In stall external regulator with the vent pointing down as shown in Figure 22 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 or greater diameter to allow proper gas volume to fireplace If pipe is too small undue loss of volume will occur Propane LP Supply Tank External Regulator Vent Pointing Down sul y ERAS Figure 22 External Regulator with Vent Pointing Down 16 www desatech com 113111 01B INSTALLATION Continued Installation must include a equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from fireplace see Figure 23 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Check your building
19. MBLY Continued 5 Reattach screen by placing the notches in the screen frame over the shoulder screws and pushing down Assembling Hood 1 Locate four black phillips sheet metal screws from the hardware packet 2 Rotate hood as shown in Figure 3 Make sure hood tabs point toward fireplace 3 Insert hood tabs between baffle and louvers see Figure 3 4 Gently rotate hood to upright position Make sure hood tabs are behind louvers and hood is resting on firebox top see Figure 3 5 Align screw holes on hood with screw holes on firebox top 6 Insert screws as shown in Figure 3 Tighten screws firmly Louver Hood Tabs Hood Hood Tab Baffle Sheet Metal Screw aj Firebox Top Figure 3 Assembling Hood AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall notbeinstalledinaconfinedspace or unusually tight construction unless provisions are provided for adequate combustion and ven tilation air Read the following in structions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in 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 While it is good
20. RTH BASE Unfinished GMC63U Finished GMC64F For all models Space saving mantel and hearth base corner design features clean classic lines Available in a stained oak finish white lacquer finish or an unfinished birch ready to stain or paint Complete assembly instructions included Three sided perimeter trim kit included CABINET MANTEL AND FULL HEARTH BASE GMC80F Series Oak Finished GMC81U Series Unfinished Birch GMC82F Series Cherry Finished Birch For all models Mantel features columns mold ings fluting and medallion Three sided perim eter trim kit included Dimensions WxHxD 56 x 50 x 24 CLEANING KIT GCK Not Shown Your vent free gas appliance requires regular cleaning and maintenance to prevent performance problems This kit gives you the tools and instruc tions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 A care and maintenance video is available by call ing 1 866 672 6040 You may also email your re quest to productsupport desaint com FIRE CRACKLE CF6 A Not Shown Creates the sound of a real burning fire 113111 01B www desatech com 31 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the
21. VANGUARD VENT FREE COMPACT FIREPLACE OWNER S OPERATION AND INSTALLATION MANUAL We recommend that our products be installed and serviced by professionals who a are certified in the U S by NFI he National Fireplace Institute ean www nficertified org Shown with Optional Cabinet Mantel Hearth Base Accessory MODELS VMH26TPC AND VMH26TNC 14 000 to 26 000 Btu Hr with Thermostat WARNING If the information in this manual is not followed 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 aneighbor 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 Save this manual for future reference For more information visit www desatech com WARNING Improper installation adjustment altera tion service or maintenance can cause injury or prop erty damage Refer to this manual for correct installation and operational procedures For assistance or addi tional information consult
22. a short Phillips screwdriver the screen log set and branch support must be removed so a longer screw driver may be used See Connecting Equip ment Shutoff Valve to Heater Control page 17 steps l and 2 1 Remove packaging from three remaining pieces of trim 2 Locate two adjusting plates with set screws and two shims in the hardware packet 3 Align shim under adjusting plate as shown in Figure 14 4 Slide one end of adjusting plate shim in slot on mitered edge of top trim see Figure 14 5 Slide other end of adjusting plate shim in slot on mitered edge of side trim see Figure 14 6 While firmly holding edges of trim together tighten both set screws on the adjusting plate with slotted screwdriver 7 Repeat steps 1 through 6 for other corner 8 Set trim assembly aside for later installation 113111 01B www desatech com 13 Valve Cover Remove Screw Shield INSTALLATION Continued Branch Support Shoulder Screw Bottom Louver Snap Bushings Assembly Figure 16 Removing Valve Cover Shield Installing Blower Assembly AX CAUTION Label all wires prior to disconnection when ser vicing controls Wiring errors can cause improper and dan gerous operation A CAUTION Verify proper op eration after servicing Note If you are using a mantel with your heater use the following instructions If your heater is built in see For Built In Installation on page 15 f
23. codes for any special re quirements for locating equipment shutoff valve to fireplaces Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from go ing into pipe Excess sealant in pipe could result in clogged fireplace valves AX WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap PROPANE LP From External Regulator 11 W C NATURAL From Gas Meter 5 W C to Pressure Pipe Cap Tee Nipple Joint Sediment Trap Figure 23 Gas Connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 30 CONNECTING EQUIPMENT SHUTOFF VALVE TO HEATER CONTROL Installation Items Needed e Phillips screwdriver e sealant resistant to propane LP gas not pro vided 1 To remove fireplace screen remove two screws that hold fireplace screen in place for shipping These screws are located near top to 14 W C Pressure E 10 5 W C of screen Discard screws Lift fireplace screen up and pull out to remove 2 Remove screws that attach branch support to fireplace see Figure 24 Carefully lift up branch support and remove from fireplace see Figure 24 3 Route flexible gas line included from fireplace control to equipment shutoff valve through side or rear access holes in outer casing NOTICE Most building
24. e if you have a confined or unconfined space Space Includes the room in which you will install fireplace plus any adjoining rooms with doorless pas sageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height volume of space Example Space size 20 ft length x 16 ft width x 8 ft ceiling height 2560 cu ft vol ume of space cu ft If additional ventilation to adjoining room is sup plied with grills or openings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maxi mum Btu Hr the space can support Example 2560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Di rect vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater 30 000 Btu Hr Vent free fireplace __ 26 000 Btu Hr Total 56 000 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 Bt
25. equate clearances around air openings LOCAL CODES Install and use fireplace with care Follow all lo cal codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 Available from Screen Fireplace Cabinet American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 PRODUCT IDENTIFICATION Ignitor Button Figure 1 Vent Free Gas Compact Fireplace www desatech com 113111 01B PRODUCT FEATURES SAFETY PILOT This fireplace has a pilot with an Oxygen Deple tion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room fireplaces The ODS pilot shuts off the fireplace if there is not enough fresh air PIEZO IGNITION SYSTEM This fireplace has a piezo ignitor This system re quires no matches batteries or other sources to light fireplace THERMOSTATIC HEAT CONTROL This fireplace has a thermostat sensing bulb and a control valve The thermostat will automatically modulate the heat output to maintain a consistent room temperature This results in greater fireplace comfort This can also result in lower gas bills UNPACKING 1 Remove fireplace and hood from carton Log is wrapped and inside fireplace Do not re move at this time 2 Remove all protective packaging applied to fireplace for s
26. er use dimensions shown in Figure 9 page 11 for the rough opening The height is 26 s which is the same as the wall opening above 10 www desatech com 113111 01B INSTALLATION Continued A WARNING If pre wiring do not connect wiring to any elec trical source at this time Install fireplace electrical outlet and connect wiring to outlet be fore connecting to electrical source The fireplace electrical outlet is included with the GA3450T blower accessory Only use the fireplace electrical outlet supplied with the GA3450T blower accessory 2 Tf installing GA3450T blower accessory do so at this time See Installing Blower Acces sory GA3450T page 13 Note If not installing blower accessory you may wish to run electrical wiring to your fire place for future blower installation see Ac cessories page 30 Use only approved three wire electrical wiring Note A qualified installer should make all electrical connections 3 Install gas piping to 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 4 Ifyou have not assembled firebox follow in structions on page 4 5 Carefully set fireplace in front of rough open ing with back of fireplace inside wall opening 6 Attach flexible gas line to fireplace gas regu lator See Connectin
27. factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY VENT FREE COMPACT CLASSIC HEARTH FIREPLACE DESA Heating Products warrants this product to be free from defects in materials and components for four 4 years and five 5 years on stainless steel burners from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this fireplace to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA Heating Products who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The fireplace MUST be installed by 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 acc
28. furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture This fireplace needs fresh air ventilation to run properly This fireplace has an Oxygen Depletion Sensing ODS safety shutoff sys tem The ODS shuts down the fireplace if not enough fresh air is available See Air for Com bustion and Ventilation pages 6 through 8 If fireplace keeps shutting off see Troubleshoot ing pages 23 through 26 Do not run fireplace e where flammable liquids or vapors are used or stored e under dusty conditions Do not use this fireplace to cook food or burn paper or other objects 13 Do not use fireplace if any part has been under water Immediately call a qualified service tech nician to inspect the room fireplace and to re place any part of the control system and any gas control which has been under water Turn off and unplug fireplace and let cool be fore servicing Only a qualified service per son should service and repair fireplace Operating fireplace above elevations of 4 500 feet could cause pilot outage Do not operate fireplace if any log is broken Do not operate fireplace if a log is chipped dime sized or larger To prevent performance problems do not use propane LP fuel tank of less than 100 Ibs ca pacity propane LP only Provide ad
29. g to Gas Supply page 16 7 Bend four nailing flanges on outer casing with pliers see Figure 10 8 Attach fireplace to wall studs using nails or wood screws through holes in nailing flange 9 Check all gas connections for leaks See Checking Gas Connections page 18 10 If using optional trim kit install the trim after final finishing and or painting of wall See in structions included with trim accessory for at taching trim IMPORTANT When finishing your firebox com bustible materials 113111 01B www desatech com AX WARNING Do not allow any combustible materials to over lap the firebox front facing IMPORTANT Noncombustible materials such as brick tile etc may overlap the front facing but should never cover any necessary openings like louvered slots AAWARNING Do notallow non combustible materials to cover any necessary openings like lou vered slots Nails or Wood Screws lt EEx 10 Ye 267 s 3 4 Off The Floor 2678 gt Minimum Figure 8 Rough Opening for Installing in Wall 36 8 25718 Figure 9 Rough Opening for Installing in Corner a 4 Figure 10 Attaching Fireplace to Wall Studs Nailing Flanges INSTALLATION Continued A WARNING Never modify or cover the louvered slots on the front of the firebox AX WARNING Use only
30. hipment 3 Make sure your fireplace includes one hard ware packet 4 Check fireplace for any shipping damage If fireplace is damaged promptly inform dealer where you bought fireplace ASSEMBLY Av WARNING Always have branch support and screen in place before operating fireplace This prevents excessive tem peratures on fireplace surfaces WARNING Failureto position the parts in accordancewith these diagrams or failure to use only parts specifically approved with this fireplace may result in prop erty damage or personal injury ASSEMBLING FIREPLACE Tools Required e Phillips screwdriver e 5 16 hex wrench e slotted screwdriver Installing Log 1 Lift screen up and pull out to remove 2 Cut two plastic straps to remove the log from the firebox cavity 3 Anoptional blower is available See Accessories page 30 Install optional blower now Follow in stallation instructions provided with blower 4 Remove log packaging material and discard packaging Gently place log set on burner sup port see Figure 2 The log should fit flat against top of burner support and log locator tabs fit into the slots under the log Do not allow log to contact flame If flame contacts log soot will be created Shoulder Burner Supp with Lo Locator Tabs lt 4 dl Branch Support Screen Figure 2 Assembling Fireplace 113111 01B www desatech com 5 ASSE
31. his appliance is only for use with the type of gas indicated on the rating plate This appli ance is not convertible for use with other gases Do not place propane LP supply tank s in side any structure Locate propane LP supply tank s outdoors propane LP only 113111 01B www desatech com 3 10 11 12 SAFETY INFORMATION Continued Tf you smell gas e shut off gas supply e do not try to light any appliance e do not touch any electrical switch do not use any phone in your building e immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e if you cannot reach your gas supplier call the fire department This fireplace shall not be installed in a bed room or bathroom Do not use this fireplace as a wood burning fireplace Use only the logs provided with the fireplace Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting Do not add lava rock around base Rock and debris could fall into the control area of fireplace This fireplace is designed to be smokeless If logs ever appear to smoke turn off fireplace and call a qualified service person Note Dur ing initial operation slight smoking could occur due to log curing and fireplace burning manufacturing residues To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 22 Before using
32. hree settings ON OFF and AUTO In the ON position the blower will op erate constantly In the OFF position the blower will not operate In the AUTO position the blower will start when the thermostat senses a sufficient increase in firebox temperature Note Your fireplace and thermostat blower will not turn on and off at the same time The fireplace may run for several minutes before the blower turns on After the heater modulates 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 blower helps distrib ute heated air from the fireplace Auto Off On Switch Figure 31 Auto Off On Switch INSPECTING BURNER Check pilot flame pattern and burner flame pat tern often PILOT FLAME PATTERN Figure 32 shows a correct pilot flame pattern Fig ure 33 shows an incorrect pilot flame pattern The incorrect pilot flame is not properly heating the thermocouple This will cause the thermocouple to cool When the thermocouple cools the fire place will shut down Tf pilot flame pattern is incorrect as shown in Fig ure 33 e turn fireplace off see To Turn Off Gas to Ap pliance page 20 e see Troubleshooting pages 23 through 26 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Pilot Burner Thermocouple
33. idents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective fireplace 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 ON ALL COMPONENTS AND FIVE 5 YEARS ON STAINLESS STEEL BURNERS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING PRODUCTS LIABILITY IS HEREBY LIM ITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write D g Ss A HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 113111 01 Rev B 113111 01 06 04 NOT A UPC
34. inlet holes 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 in spected yearly by a qualified service person We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using com pressed air no greater than 30 PSI Your local com puter 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 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 injector holder for dust and dirt see Figure 36 3 Blow air through the ports slots and holes in the burner 4 Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the in jector holder 6 Incase any large clumps of dust have now been pushed into the burne
35. ith Optional Mantel Equipment Shutoff Valve Gas Meter 7 Figure 28 Checking Gas Joints for Natural Gas Shown with Optional Mantel OPERATING FIREPLACE E FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING If you do not fol low these instructions exactly a fire or explosion may result 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 113111 01B WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control 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 tech nician or gas supplier Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately cal
36. l other than wood flooring the fireplace shall be installed on a metal or wood panel extending the full width and depth of the fireplace A CAUTION If you install the fireplace in a home garage e fireplace pilot and burner must beatleast 18 inches above floor e locate fireplace where moving vehicle will not hit it For convenience and efficiency install fireplace e where there is easy access for operation inspec tion and service e in coldest part of room An optional blower kit is available from your dealer see Accessories page 30 If planning to use blower locate fireplace near an electrical outlet BUILT IN FIREPLACE INSTALLATION Built in installation of this fireplace involves in stalling fireplace into a framed in enclosure This makes the front of fireplace flush with wall An optional trim kit accessory is available see Ac cessories page 30 Trim will extend past sides of fireplace approximately 1 2 inch This will cover the rough edges of the wall opening If installing a built in mantel above the fireplace you must fol low the clearances shown in Figure 11 page 12 Follow the instructions below to install the fire place in this manner Actual Framing Height 26 26 7 3 Front Width 26 7 4 26 7 8 Depth 91 10 2 Bottom 3 4 3 4 1 Frame in rough opening Use dimensions shown in Figure 8 page 11 for the rough opening If installing in a corn
37. l a quali fied service technician to inspect the appli ance and to replace any part of the control system and any gas control which has been under water LIGHTING MA cron AN A WARNING You must oper ate this fireplace with the fire place screen in place Make sure fireplace screen is installed be fore running fireplace NOTICE During initial operation of new fireplace burning logs will give off a paper burning smell Orange flame will also be present Open window to vent smell Operate fireplace on HI position to burn off odor This will only last a few hours STOP Read the safety information start ing in column 1 Make sure equipment shutoff valve is fully open Turn control knob clockwise to the OFF position Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information starting in column 1 If you don t smell gas go to the next step www desatech com 19 OPERATING FIREPLACE Continued 5 Turn control knob counterclockwise gt to the PILOT position Press in control knob for five 5 seconds see Figure 29 Note You may be running this fireplace for the first time after hooking up to gas supply 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 system If control knob does not pop up when re leased con
38. ll DESA Heating Products at 1 866 672 6040 for re ferral information When calling DESA have ready e model number of your fireplace e the replacement part number 113111 01B www desatech com 27 ILLUSTRATED PARTS BREAKDOWN MODELS VMH26TPC Shown AND VMH26TNC 28 www desatech com 113111 01B KEY NO OMOANOAARWNDN PARTS LIST This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 27 of this manual PART NUMBER VMH26TPC 102633 02 102624 02 099230 02 098304 01 109824 05 103209 05 102635 02 101629 02 M10908 75 104281 02BR 102638 01 104286 01 099211 01 103963 01 102834 01 098304 02 098303 02 102649 02 099415 09 102875 01 101381 01 099387 11 098271 06 107186 01 101006 02 098249 01 098522 26 102639 01 101628 01 102869 01 102731 01 103295 05BR 107153 01 104313 01 104313 02 M10908 2 103734 01 M11084 26 097809 03 101629 01 101054 01 100563 01 103470 01 VMH26TNC 102633 02 102624 02 099230 02 098304 01 109824 05 103209 05 102635 02 101629 02 M10908 75 104281 02BR 102638 01 104285 01 099211 01 103963 01 102834 01 098304 02 098303 02 102649 02 099415 10 102875 01 101381 01 099387 11 098271 06 107186 02 101006 02 098249 01 098522 23 102639 01 101628 01 102869 01 102731 01 103295 05BR 107153 01 104313 01 104313 02 M109
39. m hardware pack through openings inside of fireplace sides into the mantel The openings are located at top behind the area for the black louvers see Figure 13 Reinstall top black louvers 1 9 4 Screw Figure 13 Attaching Wood Base to Floor Assembling Perimeter Trim Trim Shipped with Mantel Set Screws Slot yh Top Trim o Mitered Edge Adjustin Plate o Side Shim gt 4 Trim Slot Figure 14 Assembling Perimeter Trim INSTALLING BLOWER ACCESSORY GA3450T Removing Upper Louver Assembly To install the blower accessory you must first re move the upper louver assembly 1 2 Lift screen off heater Remove 4 screws from louver assembly see Figure 15 Save these screws Pull louver assembly straight out from the cabinet Be careful not to scratch the paint Set louver assembly and screws aside Blower Bracket Mounting Holes Upper Louver Assembly Black Screws Figure 15 Removing Upper Louver Assembly Removing Valve Cover Shield 1 Open bottom louver assembly by swinging the assembly down see Figure 16 page 14 Using short Phillips screwdriver remove the screw under the center of the branch sup port Rotate valve cover shield clockwise and slide out IMPORTANT Do not remove shoulder screw on the left side of valve cover shield Slide the valve cover shield off of the shoulder screw see Figure 16 page 14 Note If you do not have
40. n added on openable windows and doors and c caulking or sealants are applied to ar eas such as joints around window and door frames between sole plates and floors between wall ceiling joints be tween wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 8 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Fireplace Location Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 3 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 m 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 Btu per hour 4 8 m3 per kw of the aggregate input rating of all appliances installed in that space Rooms commu nicating directly with the space in which the ap pliances are installed through openings not fur nished with doors are considered a part of the un confined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills be tween them DETERMINING FRESH AIR FLOW FOR FIREPLACE LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determin
41. nal and external to unit for leaks after installing or servicing Cor rect all leaks at once AX WARNING Never use an open flame to check for a leak Apply a noncorrosive leak de tection fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION Make sure external regulator has been installed be tween propane LP supply andfire place See guidelines under Con necting to Gas Supply page 16 Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect appliance with its appliance main gas valve control valve and equipment shutoff valve from gas supply piping Pres sures in excess of 1 2 psig will damage fire place regulator 2 Cap off open end of gas pipe where equip ment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve lo cated on or near gas meter for natural gas or using compressed air Check all joints of gas supply piping system Apply a noncorrosive leak detection fluid to gas joints Bubbles forming show a leak Correct all leaks at once Reconnect heater and equipment shutoff valve to gas supply Check reconnected fittings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 26 2 Pressurize supply piping system by either 4 openi
42. nce page 22 or replace burner orifice Replace burner pressure Contact local propane LP or natural gas company Replace gas regulator Yellow flame during burner combustion Not enough air Gas regulator defective Check burner for dirt and de bris If found clean burner see Cleaning and Mainte nance page 22 Replace gas regulator 24 www desatech com 113111 01B TROUBLESHOOTING Continued POSSIBLE CAUSE REMEDY 1 Residues from manufacturing 1 OBSERVED PROBLEM Slight smoke or odor during ini Problem will stop after a few tial operation processes hours of operation Fireplace produces a whistling 1 Turning control knob to HI po 1 Turn control knob to LO po noise when burner is lit sition when burner is cold sition and let warm up for a minute Air in gas line 2 Operate burner until air is re moved from line Have gas line checked by local propane LP gas company Air passageways on fireplace 3 Observe minimum installation blocked clearances see pages 9 through 12 Dirty or partially clogged 4 Clean burner see Cleaning burner orifice and Maintenance page 22 or replace burner orifice White powder residue forming 1 When heated vapors from fur 1 Turn heater off when using within burner box or on adja niture polish wax carpet furniture polish wax carpet cent walls or furniture cleaners etc may turn into cleaners or similar products whi
43. nected to ignitor cable 3 Broken ignitor cable 3 Replace ignitor cable 4 Bad piezo ignitor 4 Replace piezo ignitor 5 Ignitor electrode broken 5 Replace pilot assembly 6 Ignitor electrode positioned 6 Replace pilot assembly wrong When ignitor button is pressed 1 Gas supply turned off or 1 Turn on gas supply or open there is spark at ODS pilot but equipment shutoff valve equipment shutoff valve no ignition closed 2 Control knob not in PILOT 2 Turn control knob to PILOT position position 3 Control knob not pressed in 3 Press in control knob while in while in PILOT position PILOT position 4 Air in gas lines when installed 4 Continue holding down con trol knob Repeat igniting op eration until air is removed 5 Depleted gas supply propane 5 Contact local propane LP gas LP only company 6 ODS pilot is clogged 6 Clean ODS pilot see Clean ing and Maintenance page 22 or replace ODS pilot as sembly 7 Gas regulator setting is not 7 Replace gas regulator correct 113111 01B www desatech com 23 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS pilot lights but flame goes 1 Control knob not fully 1 Press in control knob fully out when control knob is re leased pressed in Control knob not pressed in long enough Safety interlock system has been triggered Equipment shutoff valve not fully open Thermocouple connection loose at control valve
44. ng 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 Check all joints from gas meter for natural or propane LP supply to equipment shutoff valve see Figures 27 and 28 page 19 Apply anon corrosive leak detection fluid to gas joints Bubbles forming show a leak Correct all leaks at once Pressure Testing Fireplace Gas Connections 1 2 Open equipment shutoff valve see Figure 26 Open main gas valve located on or near gas meter for natural gas or open propane LP sup ply tank valve Make sure control knob of fireplace is in the OFF position Check all joints from equipment shutoff valve to thermostat gas valve see Figures 27 and 28 page 19 Apply a noncorrosive leak detection fluid to gas joints Bubbles forming show a leak Correct all leaks at once Light fireplace see Operating Fireplace pages 19 and 21 Check all other internal joints for leaks Turn off fireplace see To Turn Off Gas to Appliance page 20 Replace front panel Equipment Open Shutoff Valve bs YA T Closed Figure 26 Equipment Shutoff Valve 18 www desatech com 113111 01B INSTALLATION Continued Equipment Shutoff Valve Propane LP Supply Tank Figure 27 Checking Gas Joints for Propane LP Gas Shown w
45. non combustible mortar or adhe sives when overlapping the front facing with noncombustible fac ing material Mantel Clearances for Built In Installation If placing mantel above built in fireplace you must meet minimum clearance between mantel shelf and top of fireplace opening NOTICE Surface temperatures of adjacent walls and mantels become hot during operation Walls and mantels above the fire box may become hotto the touch If installed properly these tem peratures meet the requirement of the national product standard Follow all minimum clearances shown in this manual NOTICE If your installation does not meet the minimum clear ances shown in Figure 11 you must do one of the following e raise the mantel to an accept able height e remove the mantel OPTIONAL MANTEL INSTALLATION Note Refer to instructions provided with the man tel for assembly instructions Refer to instructions below for system installation Refer to instructions on page 5 for firebox assembly Blower accessory should be installed if it is being used see Acces sories page 30 il Unscrew four brass screws that attach top lou ver to fireplace Remove louver from fireplace and set aside 4 Assemble trim kit See Assembling Perimeter Trim page 13 Firmly snap trim kit on shoulder screws Shoulder screws are located on fireplace cabi net see Figure 12 Align trim kit for flush fit around opening
46. ple with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural and Propane LP Gas Natural and propane LP gases are odorless An odor making agent is added to these gases The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warn ings Keep this manual for reference It is your guide to safe and proper operation of this fireplace Ay WARNING Any change to this heater or its controls can be dangerous AX WARNING Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting Fireplace front and screen be come very hot whenrunningfire 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 when they are in the room with fireplace You must operate this fireplace with the fireplace screen and hood in place Make sure fire place screen is in place before running fireplace Keep the appliance area clear and free from combustible ma terials gasoline and other flam mable vapors and liquids T
47. r repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot as sembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 37 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if com pressed air is not available Ports Slots Burner Tube Primary Air Inlet Holes Figure 36 Injector Holder On Outlet Burner Tube Pilot Air Inlet Hole Pilot Assembly Figure 37 Pilot Inlet Air Hole Propane LP Shown CABINET Air Passageways e Usea vacuum cleaner or pressurized air to clean Exterior e Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust 22 www desatech com 113111 01B TROUBLESHOOTING Note All troubleshooting items are listed in order of operation A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed 1 Ignitor cable pinched or wet 1 Free ignitor cable if pinched there is no spark at ODS pilot by any metal or tubing Keep ignitor cable dry 2 Ignitor electrode not con 2 Reconnect ignitor cable
48. ra ir 30 Operating Fireplace 0 eee eee 19 Warranty Information Back Cover INSPECTING BUET seseccececcccesccecsectecccsnsziveezsvsreesee 21 2 www desatech com 113111 01B SAFETY INFORMATION WARNING This product con tains and or generates chemicals known to the state of California to cause cancer or birth defects or other reproductive harm Ay WARNING Do not use a blower insert heat exchanger insert or other accessory not approved for use with this fire place IMPORTANT Read this owner s manual carefully and completely before trying to assemble oper ate or service this fireplace Im proper use of this fireplace can cause serious injury or death from burns fire explosion elec trical shock and carbon mon oxide poisoning Due to high temperatures the appliance should be located out of traffic and away from furni ture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects in the fireplace A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of car bon monoxide poisoning resemble the flu with head aches dizziness or nausea If you have these signs the fireplace may not be working properly Get fresh air at once Have fireplace serviced Some people are more affected by carbon monoxide than others These include pregnant women peo
49. required size of Inlet Air Crawl Space ventilation grills or ducts Figure 5 Ventilation Air from Outdoors Shown with Optional Mantel 8 www desatech com 113111 01B INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater along with your primary heating system Do not install this heater as your pri mary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heat throughout the house In the event of a power outage you can use this heater as your primary heat source A WARNING A qualified ser vice person must install fire place Follow all local codes A WARNING Never install the fireplace e in a bedroom or a bathroom e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the fireplace e as a fireplace insert e in high traffic areas e in windy or drafty areas CAUTION This fireplace cre ates warm air currents These currents move heat to wall sur faces next to fireplace Install ing fireplace nextto vinyl or cloth wall coverings or operating fire place where impurities such as but not limited to tobacco smoke aromatic candles clean ing fluids oil or kerosene lamps etc in the air exist may dis color walls or cause odors IMPORT
50. s avail 1 Open window and or door for operates able ventilation 2 Low line pressure Contact local propane LP or natural gas company 3 ODS pilot is partially clogged 3 Clean ODS pilot see Cleaning and Maintenance page 22 Gas odor even when control 1 Gas leak See Warning 1 Locate and correct all leaks knob is in OFF position statement above see Checking Gas Connec tions page 18 2 Control valve defective Replace control valve Gas odor during combustion 1 Foreign matter between con 1 Take apart gas tubing and re trol valve and burner move foreign matter 2 Gas leak See Warning 2 Locate and correct all leaks statement above see Checking Gas Connec tions page 18 Moisture condensation noticed 1 Not enough combustion ven 1 Refer to Air for Combustion on windows tilation air and Ventilation requirements page 6 26 www desatech com 113111 01B SPECIFICATIONS Btu Variable Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure in of water Maximum Minimum Dimensions Inches H x W x D Fireplace including hood and screws Carton Weight pounds Fireplace Shipping For purposes of input adjustment SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit e burner will have delayed ignition e fireplace will not produce specified heat e propane LP gas supply may be low propane LP only You may feel your gas pressure is too low If so con tact
51. t open as an unconfined space or if the ings one within 12 of the ceiling and one within building is of unusually tight 12 of the floor Connect these items directly to construction provide adeq uate the outdoors or spaces open to the outdoors These z Pra spaces include attics and crawl spaces Follow the combustion and ventilation air National Fuel Gas Code ANSI Z223 1 NFPA 54 by one of the methods described Section 5 3 Air for Combustion and Ventilation in the National Fuel Gas Code for required size of ventilation grills or ducts ANSI Z223 1 NFPA 54 Section IMPORTANT Do not provide openings for inlet 5 3 or applicable local codes or outlet air into attic if attic has a thermostat con trolled power vent Heated air entering the attic VENTILATION AIR will activate the power vent Ventilation Air From Inside Building SS This fresh air would come from an adjoining un Bitlet Ventilated confined space When ventilating to an adjoining Air ano unconfined space you must provide two perma Sa nent openings one within 12 of the ceiling and Air To Attic one within 12 of the floor on the wall connecting the two spaces see options and 2 Figure 4 n r You can also remove door into adjoining room see Creal option 3 Figure 4 Follow the National Fuel Gas Inlet Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for
52. tact a qualified service person or gas supplier for repairs 6 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner If needed keep pressing ignitor but ton until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 23 through 26 Also 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 7 Keep control knob pressed in for 30 sec onds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 This fireplace has a safety inter lock system Wait one 1 minute before lighting pilot again S Turn control knob counterclockwise rx to desired heating level The main burner should light Set control knob to any heat level between HI and LO A CAUTION Do not try to ad just heating levels by using the equipment shutoff valve Ignitor Button Control Knob Figure 29 Control Knob In The OFF Pilot Burner Ignitor Electrode Thermocouple Figure 30 Pilot Propane LP Shown UN TO TURN OFF GAS TO APPLIANCE Shutting Off Fireplace 1 Turn control knob clockwise to the OFF position 2 Turn off all electric power to the appliance if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob
53. te powder residue Fireplace produces a clicking 1 Metal expanding while heating 1 This is common with most fire ticking noise just after burner is lit or shut off or contracting while cooling places If noise is excessive contact qualified service person 113111 01B www desatech com 25 TROUBLESHOOTING Continued AX WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department IMPORTANT Operating fireplace where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors OBSERVED PROBLEM POSSIBLE CAUSE Fireplace produces unwanted 1 REMEDY 1 Ventilate room Stop using Fireplace burning vapors from odors paint hair spray glues etc See IMPORTANT statement above odor causing products while fireplace is running Refill supply tank 2 Low fuel supply propane LP 3 Locate and correct all leaks 3 Gas leak See Warning see Checking Gas Connec statement above tions page 18 Fireplace shuts off in use ODS 1 Not enough fresh air i
54. u Hr used 51 200 Btu Hr maximum the space can support 56 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maxi mum Btu Hr the space can support You must pro vide additional fresh air Your options are as follows Example 113111 01B www desatech com 7 AIR FOR COMBUSTION AND VENTILATION Le a Continued IE lt A Rework worksheet adding the space of an adjoin e Ventielen Gik j Into Adjoining Room ing room If the extra space provides an uncon Ventilation 6 i r fined space remove door to adjoining roomoradd ito gioining Boor ventilation grills between rooms See Ventilation Opont isa g PEA Option 3 Air From Inside Building re i B Vent room directly to the outdoors See Ventila tion Air From Outdoors a K B C Install a lower Btu Hr fireplace if lower Btu Hr ZZZ GZ NELA size makes room unconfined GA If the actual Btu Hr used is less than the maximum Y e Btu Hr the space can support the space is an uncon fined space You will need no additional fresh air ven a Figure 4 Ventilation Air from Inside tilation Building Shown with Optional Mantel A WARNING If the area in Ventilation Air From Outdoors which the heater may be oper Provide extra fresh air by using ventilation grills ated is smaller than that defined or ducts You must provide two permanen
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