Desa VMH10TPA User's Manual
Contents
1. VANGUARD VENT FREE PROPANE LP GAS COMPACT CLASSIC HEARTH FIREPLACE OWNER S OPERATION AND INSTALLATION MANUAL VMH1OTPA 10 000 Btu Hr with Thermostat WARNING If the information in this manual is not followed exactly a fire or explosion may result caus ing property damage personal injury or loss of life Donot 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 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 Installation and service must be performed by a qualified installer service agency or the gas supplier Shown with Optional Cabinet Mantel Hearth Base Accessory WARNING Improper installa tion adjustment alteration ser vice or maintenance can cause injury or property damage Re fer to this manual for correct installation and operational pro cedures For assistance or ad ditional information consult a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxy gen from the room in which it is installed Provisions for adequate combustion and ventilation air must be pro2. 8 Bend four nailing flanges on outer cas ing with pliers see Figure 10 9 Attach fireplace to wall studs using nails or wood screws through holes in nailing flange 10 Check all gas connections for leaks See Checking Gas Connections page 16 11 If using optional brass trim kit install the trim after final finishing and or painting of wall See instructions in cluded with brass trim accessory for at taching brass trim Nails or A Wood Screws Z a nt Nailing Flanges Figure 10 Attaching Fireplace to Wall Studs Continued VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE INSTALLATION Continued 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 If your installation does not meet the below minimum clearances you must e raise the mantel to an acceptable height OR e remove the mantel Mantel Shelf Note All vertical measurements are from top of fireplace opening to bottom of mantel shelf All measurements are in inches Side of Firebox Figure 11 Minimum Mantel Clearances for Built In Installation OPTIONAL MANTEL INSTALLATION Note Refer to instructions provided with the mantel for assembly instructions Refer to instructions below for system installa tion Refer to instructions on page 4 for firebo
3. A WARNING Turn off fireplace and let cool before cleaning CAUTION You must keep con trol areas burner and circulating air passageways of fireplace clean Inspect these areas of fire place before each use Have fire place inspected yearly by a quali fied service person Fireplace may need more frequent cleaning due to excessive lint from carpeting bedding material pet hair etc CLEANING BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air 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 and lint Clean these air inlet holes prior to each heating season Blocked air holes will create soot We rec ommend that you clean the unit every 2 500 hours of operation or every three months We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recom mend using compressed air no greater than 30 PSI Your local computer store hard ware store or home center may carry com pressed 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 direc tions on the can If you don t follow direc tions 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 in
4. FOR YOUR SAFETY READ BEFORE LIGHTING OWNER S MANUAL LIGHTING INSTRUCTIONS A WARNING If you do not fol low these instructions exactly a fire or explosion may result caus ing property damage personal injury or loss of life This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly 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 the gas supplier s instructions If you cannot reach your gas sup plier 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 technician 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 call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been un der water 104407 WARNING You must operate this fireplace with the fireplace screen in place Make sure fire
5. Install fireplace near an electrical outlet See blower instruc tions for power cord length Option two Have a licensed electri cian install a properly grounded three prong 120 volt electrical outlet at fire place location Locate outlet inside the framed enclosure Blower power cord will plug into this outlet Option three Have a licensed elec trician connect blower to electrical source at junction box inside fireplace If using option one have electrical out let installed at this time If using option two do not connect blower to electrical source at junction box until step 7 3 Install gas piping to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the manual shutoff valve The flexible gas line must be the last item installed on the gas piping 4 Ifyou have not assembled firebox fol low instructions on page 4 5 Carefully set fireplace in front of rough opening with back of fireplace inside wall opening 6 Attach flexible gas line to fireplace gas regulator See Connecting Fireplace to Gas Supply page 15 7 Ifthe optional blower has been installed connect blower to electrical source Options one and two Route blower electrical cord through side or rear ac cess door of fireplace Plug electrical cord into electrical outlet Option three Have a licensed elec trician connect blower to electrical source at junction box inside fireplace
6. ready to stain or paint Complete assembly instructions in cluded Three sided brass trim kit included WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the 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 PROPANE LP GAS COMPACT CLASSIC HEARTH FIREPLACE DESA International 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 Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The fireplace MUST be
7. An odor making agent is added to pro pane LP gas The odor helps you detect a propane LP gas leak However the odoradded to propane LP gas can fade Propane LP gas may be present even though no odor exists Make certain you read and understand all Warnings Keep this manual for reference It is your guide to safe and proper operation of this fireplace Ay WARNING Any change to this fireplace or its controls can be dangerous 1 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 2 Donotplace propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors 10 11 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 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 This fireplace shall not be installed in a bathroom Never install the fireplace 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 as a fireplace insert in high traffic areas in windy or drafty areas Do not use this fireplace as a wood burning fireplace Use only the logs provided with the f
8. Base 102649 02CJ Branch Support 099415 04 Gas Regulator 102875 01 Regulator Bracket 101381 01 Valve Cover and Piezo 099387 03 Pilot Tube 098271 06 Ignitor Cable M11084 38 Screw 8 x 3 8 101004 13 Injector 098522 15 Gas Valve 102639 01 Baffle 101628 01 Flexible Connector 102869 01 Control Bracket 102731 01 Control Shield 103295 01CJ Screen Assembly 104078 01 Main Log 104313 01 Pin Hinge Right 104313 02 Pin Hinge Left M10908 2 Hinge Screws 103734 01 Burner Support 101006 01 Pilot Bracket 097809 03 3 8 NPT x 3 8 Flare Brass Fitting 098249 01 Nut M5 101629 02 Bushing M11084 26 Hex Head Screw 10 x 3 8 102458 01CK Middle Rail 104319 02 Instructional Video 101054 01 Lighting Instructions Plate 100563 01 Warning Plate 103470 01 Hardware Package a wor ae 104407 25 VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE SPECIFICATIONS Input Rate 10 000 Btu Hr Type Gas Propane LP Only Ignition Piezo Pressure Regulator Setting 8 5 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 Dimensions Inches H x W x D Fireplace including hood and screws 25 7 sx 26 fis x 9 3 s Carton 32 5 3 x 27 i6 x 11 3 3 Weight pounds Fireplace 44 Ibs Shipping 48 Ibs For purposes of input adjustment REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of
9. Gas Code ANS 2223 1 1992 Section 5 3 or applicable local codes 6 104407 AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must pro vide two permanent openings one within 12 of the ceiling and one within 12 of the floor on the wall connecting the two spaces see options 1 and 2 Figure 4 You can also remove door into adjoining room see op tion 3 Figure 4 Follow the National Fuel Gas Code NFPA 54 ANS Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts AX WARNING Rework work sheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two per manent openings one within 12 of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code NFPA 54 ANS 2223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a t
10. Motor 110 115 V A C Figure 20 Wiring Diagram For Blower Accessory Built In Installation Extension Cord Use extension cord if needed The cord must have a three prong grounding plug and a three hole receptacle Make sure cord is in good shape It must be heavy enough to carry the current needed An undersized 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 Continued VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE INSTALLATION Continued 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 pack age is provided with fireplace 1 Drill holes at marked locations using 5 16 drill bit For solid floors concrete or masonry 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 fas tened to floor X Figure 21 Folding Anchor CONNECTING TO GAS SUPPLY A WARNING A qualified ser vice person must connect fire place to gas supply Follow all local codes CAUTION Never connect fire place directly to the propane LP s
11. appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 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 35 840 Btu Hr maximum the space can support 40 000 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 maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 7 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 7 C Install a lower Btu Hr fireplace if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation A WARNING If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fuel
12. 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 notin original condition because of normal wear and tear or parts that fail orbecome damaged as a result of misuse accidents 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 INCLUDING WARRANTIES OF MERCHANTA BILITY 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 INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL 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 m
13. joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged fireplace valves caution Use pipe joint seal ant that is resistant to liquid pe troleum LP gas We recommend that you install a sediment trap in supply line as shown in Figure 23 Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply and heater Locate sedi ment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into fireplace controls If sediment trap is not installed or is installed wrong fireplace may not run properly A G A Design Certified Manual y Shutoff Valve With 1 8 NPT Tap From External Regulator 11 W C to 14 W C Pressure Pipe Nipple Cap Tee Joint Sediment Trap Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 27 14 104407 INSTALLATION Continued CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed e Phillips screwdriver e sealant resistant to propane LP gas not provided 1 Remove fireplace screen Remove two screws that hold fireplace screen in place for shipping These screws are located near top of screen Discard screws Lift fireplace screen up and pull out to remove 2 Remove screws that attach branch
14. reconnected fittings for leaks Test Pressures Equal Toor Less Than 1 2 PSIG 1 Close manual shutoff valve see Fig ure 26 2 Pressurize supply piping system by ei ther using compressed air or opening propane LP supply tank valve 3 Check all joints from propane LP sup ply tank to manual shutoff valve see Figure 27 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 4 Correct all leaks at once Manual O Shutoff Ben Valve Closed Figure 26 Manual Shutoff Valve Pressure Testing Fireplace Gas Connections 1 Open manual shutoff valve see Figure 26 Open propane LP supply tank valve Make sure control knob of fireplace is in the OFF position Check all joints from manual shutoff valve to thermostat gas valve see Fig ure 27 Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak Correct all leaks at once Light fireplace see Operating Fire place pages 17 and 18 Check all other internal joints for leaks Turn off fireplace see To Turn Off Gas to Appliance page 18 Replace front panel Propane LP Supply Tank Shutoff Figure 27 Checking Gas Joints Shown with Optional Mantel 104407 OPERATING FIREPLACE
15. sup port to fireplace see Figure 24 Care fully lift up branch support and remove from fireplace see Figure 24 3 Route flexible gas line provided by installer from manual shutoff valve into fireplace through side or rear ac cess holes in outer casing Route flex ible gas supply line through fireplace access holes in outer casing NOTICE Most building codes do not permit concealed gas con nections A flexible gas line is provided to allow accessibility from the fireplace see Figure 24 The flexible gas supply line con nection to the manual shutoff valve should be accessible 4 Apply pipe joint sealant lightly to male threads of gas connector attached to flexible gas line see Figure 25 Con nect flexible gas line to flexible gas line attached to gas regulator of fireplace see Figure 25 5 Check all gas connections for leaks See Checking Gas Connections page 16 6 Replace branch support back into fire place Feed flexible gas line into fire place base area while replacing branch support Make sure the entire flexible gas line is in fireplace base area Reat tach branch support to fireplace with screws removed in step 2 104407 OWNER S MANUAL Screen Branch Support Shipping Screw Nh Shoulder Screw Flexible Gas Line Figure 24 Removing Branch Support From Fireplace To Fireplace Gas Regulator aN Gas Connector To F External Flexible Gas Line
16. your heater is built in see For Built In In stallation on page 13 1 Install snap bushings found in hardware kit into both holes in rear of valve cover shield Make sure the wire harness is firmly connected 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 and blue wire from terminal 3 Black wire can remain on middle terminal 2 see Figure 17 page 12 Continued VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE INSTALLATION Continued 4 Carefully disconnect green and white wires at their insulated connectors In top of the heater cabinet locate the four mounting holes on the outer cas ing Align these four holes with those on the blower bracket assembly Attach blower bracket assembly to the outer casing with 4 10 screws provided see Figure 17 Blower Bracket Assembly Screw alll Valve Cover lt Shield Figure 17 Installing Blower Bracket Assembly Box Cover 8 Route the wire harness through the hole in left side of baffle Pull wire harness through lower opening above where the valve shield was removed see Figure 17 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 Reconnect red wire to sw
17. 0 3 Dirty or partially clogged burner orifice 3 Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice White powderresidue forming withinburner 1 Whenheated vapors from furniture pol 1 Turn heater off when using furniture box or on adjacent walls or furniture 104407 ish wax carpet cleaners etc turn into white powder residue www desatech com 21 polish wax carpet cleaners or similar products Continued VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE TROUBLESHOOTING Continued building A WARNING If you smell gas Shut off gas supply Do nottry to light any appliance e Do not touch any electrical switch do not use any phone in your e 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 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 REMEDY Fireplace produces a clicking ticking noise just after burner is lit or shut off 1 Metal expanding while heating or con tracting while cooling 1 This is common with most fireplaces If noise is excessive contact qualified ser
18. 07 OWNER S MANUAL PRODUCT IDENTIFICATION Fireplace Cabinet a LA LLZ Screen lt A LX Ke Ms KX en eee Secure ORESTA ATIS x E 82S s RRRA RRRA Logs Control Knob Ignitor Button Figure 1 Vent Free Propane LP Gas Compact Fireplace UNPACKING Remove log box and fireplace from LOCAL CODES Install and use fireplace with care Follow all 1 local codes In the absence of local codes use carton The hood is not attached the latest edition of The National Fuel Gas 2 Remove all protective packaging ap Code ANS Z223 1 also known as NFPA 54 plied to fireplace for shipment Available from 3 Make sure your fireplace includes one American National Standards Institute Inc hardware packer a 4 Check fireplace for any shipping damage 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 104407 If fireplace is damaged promptly inform dealer where you bought fireplace PRODUCT FEATURES SAFETY PILOT This fireplace has a pilot with an Oxygen Depletion Sensor Shutoff System ODS 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 sys tem requires no matches batteries or other sources to light fireplace THERMOSTATIC HEAT CONTROL This fireplace has a thermost
19. 10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH AIR FLOW FOR FIREPLACE LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space Space Includes the room in which you will install fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 16 ft length x 14 ft width x 8 ft ceiling height 1792 cu ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 1000 Btu Hr per 50 cubic feet to determine the maximum Btu Hr the space can support volume of space x 1000 Btu Hr 50 cu ft Maximum Btu Hr the space can support Example 1792 cu ft space volume x 1000 Btu Hr 50 cu ft 35 840 Btu Hr This is the 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 Example Gas furnace Btu Hr Gas water heater 30 000 Btu Hr Vented gas heater Btu Hr Vent free fireplace 10 000 Btu Hr Gas fireplace logs Btu Hr Total 40 000 Btu Hr Other gas
20. DS pilot is clogged 7 Gas regulator setting is not correct 1 Turn on gas supply or open manual shutoff valve 2 Turn control knob to PILOT position 3 Press in control knob while in PILOT position 4 Continue holding down control knob Re peat igniting operation until air is removed 5 Contact local propane LP gas company 6 Clean ODS pilot see Cleaning and Maintenance page 23 or replace ODS pilot assembly 7 Replace gas regulator ODS pilot lights but flame goes out when control knob is released 1 Control knob not fully pressed in 2 Control knob not pressed in long enough 3 Safety interlock system has been triggered Manual shutoff valve not fully open Thermocouple connection loose at con trol valve 6 Pilot flame not touching thermocouple which allows thermocouple to cool causing pilot 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 8 Control valve damaged ns www desatech com 20 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Wait one minute for safety interlock sys tem to reset Repeat ignition operation 4 Fully open manual shut off valve 5 Hand tighten until snug then tighten 1 4 turn more 6 A Contact local propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 23 or replac
21. Higher Than Logs Figure 34 Incorrect Burner Flame Pattern VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE TROUBLESHOOTING Note For additional help visit DESA International s technical service web site at www desatech com Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM AX WARNING Turn off and un plug fireplace and let cool before servicing Only a qualified ser vice person should service and repair fireplace POSSIBLE CAUSE A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed there is no spark at ODS pilot 1 Ignitor cable pinched or wet N Ignitor electrode not connected to igni tor cable Broken ignitor cable Bad piezo ignitor Ignitor electrode broken Ignitor electrode positioned wrong Nm BW 1 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Reconnect ignitor cable N Replace ignitor cable Replace piezo ignitor Replace ignitor Replace ignitor Nm BW When ignitor button is pressed there is spark at ODS pilot but no ignition 1 Gas supply turned off or manual shutoff valve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 Depleted gas supply 6 O
22. This makes the front of fireplace flush with wall An optional brass trim kit acces sory is available see Accessories page 27 Brass trim will extend past sides of fireplace approximately 1 2 inch This will cover the rough edges of the wall opening If install ing a built in mantel above the fireplace but you must follow the clearances shown in Figure 11 page 10 Follow the instructions below to install the fireplace in this manner Note Your Vanguard fireplace is designed to be used in zero clearance installations Wall or framing material can be placed directly against any exterior surface on the rear sides or top of your fireplace Actual 26 26 3 4 9 1 2 3 4 Framing 26 7 8 26 7 8 10 1 2 3 4 Height Front Width Depth Bottom 1 Frame in rough opening Use dimensions shown in Figure 8 for the rough opening If installing in a corner use dimensions shown in Figure 9 for the rough open ing The height is 26 7 s which is the same as the wall opening above 104407 OWNER S MANUAL 26 7 8 3 4 Off The Floor 26 7 8 S Figure 8 Rough Opening for Installing in Wall Minimum 36 5 8 25 7 8 e 26 7 8 Figure 9 Rough Opening for Installing in Corner 2 An optional blower accessory is avail able see Accessories page 27 There are three options for connecting blower to electrical source Option one
23. an provide greater clearances from floor ceiling and joining wall NOTICE If you install the fire place in a bedroom some build ing codes require that the fire place mantel system be secured to or within a wall You can po sition fireplace in an optional cabi net or corner mantel You can also recess fireplace into the wall If your fireplace is to be used with an op tional mantel the installation instructions included with your mantel shows an AGA approved method of attaching the fireplace mantel system to a wall IMPORTANT Only use optional cabinet or corner mantels specified in this manual Purchase the op tional mantel from your dealer see Acces sories page 27 If your fireplace is to be recessed into the wall see Built In Fireplace Installation on page 9 tosecure your fireplace into the wall AX WARNING Never install the fireplace in a bathroom in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the fireplace as a fireplace insert in high traffic areas in windy or drafty areas A CAUTION This heater creates warm air currents These currents move heat to wall surfaces nextto heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as tobacco smoke aromatic candles cleaning fluids oil or kerosene lamp
24. ass Trim 104407 OWNER S MANUAL INSTALLING BLOWER ACCESSORY GA3400T Removing Upper Louver Assembly To install the blower accessory you must first remove the upper louver assembly 1 2 Lift screen off heater Remove 4 screws from louver assem bly 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 Brass Screws Figure 15 Removing Upper Louver As sembly Removing Valve Cover Shield 1 Open bottom louver assembly by swinging the assembly down see Fig ure 16 Using short Phillips screwdriver re move the screw under the center of the branch support Rotate valve cover shield clockwise and slide out IMPORTANT Do not remove shoul der screw on the left side of valve cover shield Slide the valve cover shield off of the shoulder screw see Figure 16 Note If you do not have a short Phillips screwdriver the screen twigs and branch support must be removed so a longer screwdriver may be used See Connecting Fireplace To Gas Sup ply page 15 and follow step 2 Snap Bushings Branch Support Shoulder Bottom Louver Assembly Figure 16 Removing Valve Cover Shield Installing Blower Assembly Note If you are using a mantel with your heater use the following instructions If
25. at 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 VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE ASSEMBLY WARNING Always have branch support and screen in place before operating fireplace This prevents excessive tempera tures on fireplace surfaces ASSEMBLING FIREPLACE Tools Required e Phillips screwdriver e 5 16 hex wrench e slotted screwdriver Installing Log 1 Remove back log branch and hood from log box Discard protective packaging 2 Remove two shipping screws above screen see Figure 2 3 Lift screen up and pull out to remove 4 An optional blower is available See Ac cessories page 27 Install optional blower now Follow installation in structions provided with blower 5 Gently place back log on burner sup port see Figure 2 The log should fit flat against top of burner support Place two 10 one inch long screws through burner support into the log and tighten 6 Place branch on branch support see Figure 2 Do not allow branch to con tact flame If flame contacts branch soot will be created 7 Reattach screen by placing the notches in the screen frame over the shoulder screws and pushing down A WARNING Failure to position the parts in accordance with these diagrams
26. ay also have other rights that vary from state to state For information about this warranty write DES A INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 104407 01 REV D NOT A UPC Chee
27. cle back on when room temperature drops below the set tem perature The control knob can be set to any heat level between HI and LO Note The thermostat sensing bulb mea sures the temperature of air near the fireplace cabinet This may not always agree with room temperature depend ing on housing construction installation location room size open air tempera tures etc Frequent use of your fire place will let you determine your own comfort levels PROCEDURE 1 Follow steps 1 through 5 under Light ing Instructions page 17 2 With control knob pressed in strike match Hold match to pilot until pi lot lights 3 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow step 8 page 17 ia MANUAL LIGHTING E OPERATING BLOWER E This blower has three settings ON OFF and AUTO In the ON position the blower will operate constantly In the OFF posi tion 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 blowe
28. e ODS pilot assembly Replace thermocouple 8 Replace control valve 104407 TROUBLESHOOTING Continued OBSERVED PROBLEM OWNER S MANUAL POSSIBLE CAUSE REMEDY Burner does not light after ODS pilot is lit 1 Burner orifice is clogged 1 Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice 2 Burner orifice diameter is too small 2 Replace burner orifice 3 Inlet gas pressure is too low 3 Contact local propane LP gas company Delayed ignition of burner 1 Manifold pressure is too low 1 Contact local propane LP gas company 2 Burner orifice is clogged 2 Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice Burner backfiring during combustion 1 Burner orifice is clogged or damaged 1 Clean burner see Cleaning and Mainte nance page 23 or replace burner orifice 2 Burner damaged 2 Replace burner pressure 3 Low inlet gas pressure 3 Contact local propane LP gas company 4 Gas regulator defective 4 Replace gas regulator Slight smoke or odor during initial operation 1 Residues from manufacturing processes 1 Problem will stop after a few hours of operation Fireplace produces a whistling noise when 1 Air in gas line 1 Operate burner until air is removed from burner is lit line Have gas line checked by local pro pane LP gas company 2 Air passageways on fireplace blocked 2 Observe minimum installation clearances see pages 8 through 1
29. ed to areas such as joints around window and door frames be tween sole plates and floors be tween wall ceiling joints be tween wall panels at penetra tions for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide ad ditional fresh air See Ventilation Air From Outdoors page 7 If your home does not meet all of the three criteria above proceed to De termining Fresh Air Flow For Fire place Location page 6 Confined and Unconfined Space The National Fuel Gas Code ANS 2223 1 1992 Section 5 3 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 unconfining space as a space whose volume is not 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 Rooms communicating directly with the space in which the appliances are in stalled through openings not furnished with doors are considered a part of the unconfined space This heater shall not be installed in a con fined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air Adjoining rooms are communicating only if there are doorless passageways or ventila tion grills between them Continued VANGUARD VMH
30. er screws on fireplace see Figure 12 15 Adjust assembly to remove any gaps Attach remaining two 3 wood screws from hardware pack through openings inside of fireplace sides into the man tel The openings are located at top be hind the area for the brass louvers see Figure 13 16 Reinstall top brass louvers Hole for 3 wood screw for attaching fireplace to wooden base Figure 12 Attaching Brass Trim to Fireplace 1 3 4 Screw Figure 13 Attaching Wood Base to Floor 10 Wood Base 104407 INSTALLATION Continued As sembling Brass Trim Brass trim shipped with mantel 1 Set Screws Remove packaging from three remain ing pieces of brass trim Locate two adjusting plates with set screws and two shims in the hard ware packet Align shim under adjusting plate as shown in Figure 14 Slide one end of adjusting plate shim in slot on mitered edge of top brass trim see Figure 14 Slide other end of adjusting plate shim in slot on mitered edge of side brass trim see Figure 14 While firmly holding edges of brass trim together tighten both set screws on the adjusting plate with slotted screwdriver Repeat steps through 6 for other corner Set brass assembly aside for later in stallation Top Brass Trim See Slot 7 Mi E A Shim itered Edge j _ Side Brass Uo os Trim Adjusting D Plate gt Slot SSS Figure 14 Assembling Br
31. from Flexible Gas Line from Regulator Fireplace Gas Regulator Manual Shutoff Valve Provided With Fireplace Provided By Installer Figure 25 Attaching Flexible Gas Lines Together Continued VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE INSTALLATION Continued CHECKING GAS CONNECTIONS A WARNING Test all gas pip ing and connections for leaks after installing or servicing Cor rect all leaks at once Awarnine Never use an open flame to check for a leak Apply a mixture of liquid soap and water 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 and fire place See guidelines under Con necting To Gas Supply page 14 Pressure Testing Gas Supply Piping System Test Pressures In Excess Of 1 2 PSIG 1 Disconnect fireplace and its individual manual 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 manual shutoff valve was connected 3 Pressurize supply piping system by ei ther using compressed air or opening propane LP supply tank valve 4 Check all joints of gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles form ing show a leak 5 Correct all leaks at once 6 Reconnect fireplace and manual shutoff valve to gas supply Check
32. hermostat controlled power vent Heated air entering the attic will activate the power vent 104407 Ventilation Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Option 3 OWNER S MANUAL Ventilation Grills Into Adjoining Room Option 2 Figure 4 Ventilation Air from Inside Building Shown with Optional Mantel Outlet Air Inlet Air ALEAN Ventilated Attic To Attic InetAir Ventilated Crawl Space Figure 5 Ventilation Air from Outdoors Shown with Optional Mantel VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater along with your pri mary heating system Do not in stall this heater as your primary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circu late the heat throughout the house In the event of a power outage you can use this heater as your primary heat source Ay WARNING A qualified ser vice person must install fireplace Follow all local codes Note Your Vanguard fireplace is designed to be used
33. ield The other hole is for a strain relief clamp not supplied to secure incoming electrical supply Follow steps 2 through 6 in Installing Blower Assembly pages 11 and 12 Also remove black wire from middle switch terminal 2 Blower Bracket Assembly Screw Harness Power Cord Plastic Wire Strap Valve i Cover QS Shield Box Cover oes Clamp Connector not included Figure 19 Installing Blower Bracket Assembly 104407 Outlet Receptacle 3 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 4 A licensed electrician must follow the wiring diagram to connect incoming electrical supply to fan kit wiring har ness see Figure 20 5 Plug power cord to the outlet receptacle not provided as shown in figure 19 Wind the extra cable in power cord and and tie it up with the plastic wire strap see Figure 19 Set the cable bundle between the burner bracket and outer casing away from the burner 6 Reinstall valve cover shield 7 Test to make sure the blower is work ing properly 8 Reinstall upper louver assembly and hood if previously removed see Figure 15 page 11 Close lower louver door Fan Switch Auto Off On Auto Off Blue Thermostat Switch N O e Blue Blower
34. in zero clearance installations Wall or framing material can be placed directly against any exterior surface on the rear sides or top of your fireplace except where standoff spacers are integrally at tached If standoff spacers are attached to your fireplace these spacers can be placed directly against wall or framing materials Use the dimensions shown for rough open ings to create the easiest installation see Built In Fireplace Installation page 9 CHECK GAS TYPE Use only propane LP gas If your gas supply is not propane LP do not install fireplace Call the dealer where you bought your fire place for the proper type fireplace INSTALLATION ITEMS Before installing fireplace make sure you have the items listed below e external regulator supplied by installer e piping check local codes e sealant resistant to propane LP gas e manual shutoff valve e test gauge connection e ground joint union e sediment trap e tee joint e pipe wrench AnA G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Pur chase the optional A G A design certified manual shutoff valve from your dealer See Accessories page 27 Note If desired purchase a four sided brass trim kit for built in installations See Acces sories page 27 LOCATING FIREPLACE AX WARNING Maintain the mini mum clearances shown in Figure 6 and Figure 7 page 9 If you c
35. ireplace 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 You must operate this fireplace with the fireplace screen in place Make sure fireplace screen is in place before run ning fireplace This fireplace is designed to be smoke less If logs ever appear to smoke turn off fireplace and call a qualified ser vice person Note During initial op eration 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 Main tenance page 23 Do not allow fans to blow directly into the fireplace Avoid any drafts that al ter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting 12 Before using furniture polish wax car pet cleaner or similar products turn heater off If heated the vapors from these products may create a white pow der residue within burner box or on adjacent walls or furniture 13 This fireplace needs fresh air ventilation to run properly This fireplace has an oxygen depletion sensor ODS pilot light safety system The ODS shuts down the fireplace if not enough fresh air is available See Air for Combustion and Ventilation pages 5 through 7 If firep
36. itch position 3 Reconnect blue wire to switch posi tion 1 Reconnect green and white wires Wiring Routing Hole in Baffle 9 Install the switch plate on the valve cover shield with 2 10 screws provided see Figure 18 Reinstall the valve cover shield Route power cord out of the cabinet by inserting it through the bushing on the outer casing see Fig ure 17 Plug fan kit into 120 Volt grounded power supply and test opera tion 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 position the fan will run until turned to OFF Reinstall upper louver assem bly and hood if previously removed see Figure 15 page 11 Close lower louver door Valve Cover Figure 18 Installing Switch Plate to Valve Cover Shield 104407 INSTALLATION Continued For Built In Installation A 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 OWNER S MANUAL Follow instructions Removing Valve Cover Shield page 11 then 1 Install a snap bushing found in hard ware kit into one of the holes found on rear of valve cover sh
37. l not stay lit e burner will produce flames and soot e fireplace will backfire when lit You may feel your gas pressure is too low or gas quality is bad If so contact your local propane LP gas supplier TECHNICAL SERVICE You may have further questions about in stallation operation or troubleshooting If so contact DESA International s Techni cal Service Department at 1 800 323 5190 You can also visit DESA International s technical services web site at www desatech com VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE ILLUSTRATED PARTS r BREAKDOWN VMH10TPA 24 104407 OWNER S MANUAL PARTS LIST KEY VMHI0TPA NO PART NO DESCRIPTION VMH10TPA 102633 02CK Outer Casing Top This list contains replaceable parts used in 102624 02 Outer Casing your fireplace When ordering parts follow 099230 02 sioulder Sera the instructions listed under Replacement 098304 01 SON 10 X 3 8 Parts on page 26 of this manual 103591 02 Burer 103209 03 Louvered Door 102635 02CK Left and Right Side Front 104058 01 Branch 103209 01 Brass Top Louver 101712 04 Firebox Hood 102638 01 Firebox Top 099059 02 ODS Pilot Assembly 098514 01 Thermocouple 098594 01 Ignitor Electrode 102460 01CJ Firebox Wrapper 099211 01 Control Bracket Screw 103963 01 Inlet Tube 103671 01 Burner Tube 100587 01 Brass Screw 6 x 3 8 098303 02 Regulator Screw 104335 01CK Outer Shell
38. lace keeps shutting off see Trouble shooting pages 20 through 22 14 Do not run fireplace e where flammable liquids or vapors are used or stored e under dusty conditions 15 Do not use this fireplace to cook food or burn paper or other objects 16 Never place any objects in the fireplace or on logs 17 Fireplace front and screen becomes very hot when running fireplace Keep children and adults away from hot sur faces to avoid burns or clothing igni tion Fireplace will remain hot for a time after shutdown Allow surfaces to cool before touching 18 Carefully supervise young children when they are in same room with fireplace 19 Do notuse fireplace if any part has been under water Immediately call a quali fied service technician to inspect the room fireplace and to replace any part of the control system and any gas con trol which has been under water 20 Turn off and unplug fireplace and let cool before servicing Only a qualified service person should service and re pair fireplace 21 Operating fireplace above elevations of 4 500 feet could cause pilot outage 22 Do not use a blower insert heat ex changer insert or other accessory not approved for use with this fireplace 23 Do not operate fireplace if any log is broken Do not operate fireplace if a log is chipped dime sized or larger 24 To prevent performance problems do not use propane LP fuel tank of less than 100 lbs capacity 1044
39. let holes on injector holder for dust and dirt see Figure 35 3 Blow air through the ports slots and holes in the burner 104407 OWNER S MANUAL 4 Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hairs with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holder 6 Incase any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 36 With the unit off lightly blow air through the air inlet hole You may blow through a drinking straw if compressed air is not available Injector Holder Burner Tube Primary Air Inlet Holes Figure 35 Injector Holder On Outlet Burner Tube Figure 36 Pilot Inlet Air Hole CABINET Air Passageways e Use a vacuum cleaner or pressurized air to clean Exterior e Use a soft cloth dampened with a mild soap and water mixture Wipe the cabi net to remove dust 23 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 When Gas Quality Is Bad e pilot wil
40. or failure to use only parts specifically approved with this fireplace may result in prop erty damage or personal injury Screen Shipping Back Log Screw Shoulder Burner Support Branch Support Screen Branch Figure 2 Assembling Fireplace Assembling Hood 1 Locate four 10 3 8 black phillips sheet metal screws from the hardware packet 2 Slip top of hood between middle rail and top of firebox wrapper see Figure 3 3 Attach four 10 3 8 hood screws as shown in Figure 3 Upper Louver Assembly Middle Rail Firebox Wrapper a Neate ORR lt x KKK HY ERS RRR Ea eeaeee R ees seosetatatantees RO s a 10 3 8 Screws Figure 3 Assembling Hood 4 104407 AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed ina confined space or unusually tight construction unless provisions are provided foradequate 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 effi cient than ever New materials increased insulation and new construction methods helpreduce heat lossin 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 to make your home energ
41. place screen is installed before running fireplace NOTICE During initial operation of new fireplace burning logs will give off a paper burning smell Open window to vent smell Operate fireplace on HI position to burn off odor This will only last a few hours 1 STOP Read the safety information column 1 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise N to the OFF position 4 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 in formation If you don t smell gas go to the next step 5 Turn control knob counterclockwise J tothe PILOT position Press in control knob for five 5 seconds see Figure 28 Ignitor Button Control Knob Note You may be running this fire place for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds This will allow air to bleed from the gas system e If control knob does not pop up when released contact a qualified service person or gas supplier for repairs 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 button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 20 through 22 Also contact a qualified service person or gas
42. r turned off However the blower helps distribute heated air from the fireplace Auto Off On Switch Figure 30 Auto Off On Switch 104407 INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 31 shows a correct pilot flame pat tern Figure 32 shows an incorrect pilot flame pattern The incorrect 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 32 e turn fireplace off see To Turn Off Gas to Appliance page 18 e see Troubleshooting pages 20 through 22 Thermocouple ie Pilot Burner gt Figure 31 Correct Pilot Flame Pattern Actual Pilot May Vary From Illustration Figure 32 Incorrect Pilot Flame Pattern Actual Pilot May Vary From Illustration 104407 OWNER S MANUAL BURNER FLAME PATTERN Figure 33 shows a correct burner flame pattern Figure 34 shows an incorrect burner flame pattern The incorrect burner flame pattern shows the flame consistently higher than one inch above the log If burner flame pattern is incorrect as shown in Figure 34 e turn fireplace off see To Turn Off Gas to Appliance page 18 e see Troubleshooting pages 20 through 22 Top of Flame About One Inch Below Logs Figure 33 Correct Burner Flame Pattern Top of Flame Consistently About One Inch
43. s etc in the air exist may discolor walls A CAUTION If you install the fireplace in a home garage e fireplace pilot and burner must be at least 18 inches above floor e locate fireplace where moving vehicle will not hit it For convenience and efficiency install fire place e where there is easy access for operation inspection and service e in coldest part of room An optional blower kit is available from your dealer See Accessories page 27 If planning to use blower follow instructions provided with blower for power source IMPORTANT Vent free fireplaces add mois ture to the air Although this is beneficial installing fireplace in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 5 through 7 CEILING 36 Minimum p6 Minimum From Sides Of A Fireplace Left Right Side Side FLOOR Figure 6 Mounting Clearances As Viewed From Front of Fireplace Shown Built In The Wall 104407 INSTALLATION Continued CEILING 36 Minimum Top Of Mantel Can Be Flush With Wall ig Right Side Left Figure 7 Mounting Clearances As Viewed From Front of Fireplace Shown with Op tional Mantel BUILT IN FIREPLACE INSTALLATION Built in installation ofthis fireplace involves installing fireplace into a framed in enclo sure
44. stallations when unit is on the floor Provides a finished appear ance by covering rough edges of wall open ing Included with all mantels THERMOSTATICALLY CONTROLLED BLOWER KIT GA3400T Provides better heat distribution Makes fire place more efficient Automatically turns off and on as needed 104407 27 OWNER S MANUAL CABINET MANTEL WITH BUILT IN HEARTH BASE AND ROUNDED LEG STYLING Unfinished GM921U Finished GM920F For use with fireplace A hardwood mantel and hearth base offers compact styling and completes the fireplace look Available in a walnut finished or an unfinished hardwood ready to stain or paint Complete assembly instructions included Three sided brass trim kit included CABINET MANTEL WITH BUILT IN HEARTH BASE AND TRADITIONAL SQUARE LEG STYLING Unfinished GM923U Finished GM922F For use with fireplace A hardwood mantel and hearth base offers compact styling and completes the fireplace look Available in a stained or an unfinished ready to stain or paint Oak Veneer over hardwood Com plete assembly instructions included Three sided brass trim kit included CORNER MANTEL WITH BUILT IN HEARTH BASE Unfinished GM721U Finished GM720F For use with fireplace Space saving mantel and hearth base comer design features clean classic lines Available in a walnut finish or an unfinished hardwood
45. supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 18 Keep control knob pressed in for 30 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 interlock system Wait one 1 minute before lighting pilot again Turn control knob counterclockwise amp Nto desired heating level The main burner should light Set control knob to any heat level between HI and LO C s Figure 28 Control Knob In The OFF Position A CAUTION Donottry to adjust heating levels by using the manual shutoff valve Ignitor Electrode Thermocouple Pilot Burner Figure 29 Pilot Actual Pilot May Vary From Illustration Continued VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE OPERATING FIREPLACE Continued E TO TURN OFF GAS TO APPLIANCE Shutting Off Fireplace 1 Turn control knob clockwise E ERN to the OFF position 2 Turn off all electric power to the ap pliance if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the PILOT position THERMOSTAT CONTROL OPERATION The thermostat used on this fireplace senses the room temperature At times the room may exceed the set tempera ture If so the burner will shut off The burner will cy
46. this product If they can t supply original replacement part s call DESA International s Technical Service Department at 1 800 323 5190 for referral information Whencalling DESA International 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 e purchase date Usually we will ask you to return the defec tive part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA International s Parts De partment at 1 800 972 7879 for referral in formation Whencalling DESA International haveready e model number of your fireplace e the replacement part number 26 104407 ACCESSORIES Purchase these fireplace accessories from your local dealer If they cannot supply these accessories call DESA International s Sales Department at 1 800 458 2472 for referral information You can also write to the ad dress listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 Manual shutoff valve with 1 8 NPT tap BRASS TRIM KIT GA6095 Optional four sided brass trim kit for recessed built in installations when unit is raised off of the floor Provides a finished appearance by covering rough edges of wall opening BRASS TRIM KIT GA6094 Optional three sided brass trim kit for cus tom and recessed in
47. upply This fireplace requires an external regulator not sup plied Install the external regula tor between the fireplace and pro pane LP supply The installer must supply an external regu lator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pressure fireplace regulator damage could occur Install external regu lator with the vent pointing down as shown in Figure 22 Pointing the vent down pro tects 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 pressure will occur External Regulator Propane LP Supply Tank x Vent Pointing Down Figure 22 External Regulator with Vent Pointing Down Approved Flexible Gas Line 3 Minimum Figure 23 Gas Connection Installation must include a manual 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 main gas valve manual shutoff valve in an accessible location The main gas valve is for turning on or shutting off the gas to the appliance Apply pipe
48. vice person Fireplace produces unwanted odors Wn Fireplace burning vapors from paint hair spray glues etc See IMPORTANT statement above Low fuel supply Gas leak See Warning statement at top of page Wn Ventilate room Stop using odor caus ing products while fireplace is running Refill supply tank Locate and correct all leaks see Check ing Gas Connections page 16 Fireplace shuts off in use ODS operates j Ww N Not enough fresh air is available Low line pressure ODS pilot is partially clogged ee Open window and or door for ventilation Contact local propane LP gas company Clean ODS pilot see Cleaning and Maintenance page 23 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Check ing Gas Connections page 16 Replace control valve Gas odor during combustion Foreign matter between control valve and burner Gas leak See Warning statement at top of page Take apart gas tubing and remove for eign matter Locate and correct all leaks see Check ing Gas Connections page 16 Moisture condensation noticed on windows Not enough combustion ventilation air www desatech com 22 Refer to Air for Combustion and Venti lation requirements page 5 104407 CLEANING AND MAINTENANCE
49. vided Refer to Air for Combustion and Ventilation sec tion on page 5 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 Save this manual for future reference VANGUARD VMH10TPA VENT FREE PROPANE LP GAS COMPACT FIREPLACE SAFETY INFORMATION A WARNINGS 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 electrical shock and carbon monoxide poisoning AX DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning re semble the flu with headaches dizziness or nausea If you have these signs the fire place 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 preg nant women people with heart or lung dis ease or anemia those under the influence of alcohol and those at high altitudes Propane LP Gas Propane LP gas is odor less
50. x assembly Blower accessory should be installed if itis being used see Installing Blower Accessory GA3400T page 11 1 Unscrew four brass screws that attach top louver to fireplace Remove louver from fireplace and set aside 2 Place fireplace on wood base 3 Place mantel around fireplace base as sembly 4 Assemble brass trim kit See Assem bling Brass Trim page 11 5 Firmly snap brass trim kit on shoulder screws Shoulder screws are located on fireplace cabinet see Figure 12 6 Align brass trim kit for flush fit around opening 7 Use two 3 wood screws provided and attach fireplace base to wooden base see Figure 12 Shoulder Screws ee Hole for 3 wood screw for attaching fireplace to mantel Assembled Brass Trim 8 Place assembly next to wall at installa tion location 9 Remove brass trim kit and mantel Be careful not to damage wall or mantel 10 Attach wood base to floor with two 1 7 4 black screws provided see Figure 13 If the floor is concrete use anchor method see Attaching Wood Base to Solid Floor page 14 11 Install gas line See Connecting To Gas Supply page 14 12 Check for leaks See Checking Gas Connections page 16 13 Place mantel around fireplace Be care ful not to damage wall or mantel 14 Place brass trim kit on the shoulder screws located on the side and top of the fireplace Firmly snap the brass trim over the should
51. y efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper com bustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burning appliances draw air from the house to operate You must provide ad equate fresh air for these appliances This will insure proper venting of vented fuel burning appliances 104407 OWNER S MANUAL PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code NFPA 54 ANS Z223 1 Sec tion 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 5 through 7 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and win dows 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 de fined as construction where a walls and ceilings exposed to the outside atmosphere have a con tinuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with open ings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are appli
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