Desa LogMate FB36CA User's Manual
Contents
1. 42 3 8 36 Models 48 3 8 42 Models 6 7 8 gt Figure 3 Firebox Top View Holes 9 5 8 z 2 31 2 10 3 4 gt 13 9 16 gt Electrical Access Hole Strain relief fitting for electrical cable when hard wiring firebox for built in installations strain relief fitting included on circulating models only Figure 2 Firebox Side View 103451 3 VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX PRODUCT FEATURES Operation This firebox is designed for use with ap proved ANSI Z21 11 2 decorative type unvented room heaters Physical size limi tations apply Refer to minimum firebox requirements supplied with log heater It requires no outside venting or chimney mak ing installation easy and inexpensive When used without the blower models FB36CA or FB42C only the firebox requires no electricity making it ideal for emergency back up heat Blower Accessory The FB36CA or FB42C fireboxes will ac cept the GA3700 accessory The variable blower allows you to select the fan speed you desire The blower circulates heated air from the firebox into the room Use of blower is optional Brick Liner This firebox features a revolutionary light weight concrete brick liner As with all concrete liners this liner may develop slight cracks when exposed to heat These cracks will not affect the performance of th2. Shutoff Valve 1 Using Phillips screwdriver remove the Locate the recessed knockout in one of the screw and retainer bracket at the top of firebrick sidewall liners see Figures 13 and the firebrick liner panel on the left side 14 Firmly tap the center of the knockout Carefully remove the left panel from with a chisel until it is released Carefully the firebox Repeat for firebrick liner chisel the rough edges of the hole you have panel on right side made to smooth edges This hole will line up with the hole in the outer casing Left Side Firebrick Liner Panel A CAUTION Do not use exces Retainer sive force to remove the knock out much force age the firebrick concrete insert 3 4 Thick Liner Screw Firebrick Side Wall Side View Product 0 Identification Label ELI FEES Remove Chisel this Area Figure 15 Removing Side Panel Knockout Figure 14 Location of Knockout for Gas Line 10 103451 INSTALLATION Continued 2 Removethe screw and retainer bracket at the top of the brick liner panel in the back of the firebox Do not let the panel fall after the bracket is removed Care fully remove the rear firebrick liner panel from the firebox CAUTION Do not let the fire brick liner panel fall after the bracket is removed 3 Carefully lift and remove the bottom firebrick flo
3. 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 Department at 1 800 972 7879 for referral information When calling DESA International have ready model number of your firebox the replacement part number Note The firebox identification label in cluding model number serial number clear ances etc is located behind the left side firebrick panel See Figure 15 page 10 103451 ACCESSORIES Purchasethese firebox accessories from your local dealer If they can not supply these accessories call DESA International s Sales Department at 1 800 432 2382 for infor mation You can also write to the address listed on the back page of this manual CABINET MANTEL ACCESSORY wITH FIREBOX PERIMETER BRASS TRIM GM103U Series Unfinished 36 Models Dimensions WxHxD 63 x 51 x 24 1 2 GM105U Series Unfinished 42 Models Dimensions WxHxD 69 x 51 x 24 1 2 103451 OWNER S MANUAL BLOWER ACCESSORY GA3700 Use with Models FB36CA or 42 only The variable blower allows you to select the desired speed The blower circulates heated air from the fireplace into the room MANUAL SHUTOFF VALVE GA5010 Manual shutoff valve with 1 8 NPT tap BRASS TR
4. 098304 01 098304 01 Phillips Pan Head Screw 098194 02 098194 02 Standoff Bracket 103436 01 103436 02 Deflector A Pp BA oc 103451 15 UNVENTED VENT FREE LOGMATE FIREBOX ILLUSTRATED PARTS FB36CA AND FB42C VANGUARD BREAKDOWN 103451 OWNER S MANUAL PARTS LI ST This list contains replaceable parts used in your firebox When ordering parts follow the instructions listed under Replacement Parts on page 12 of this manual FIREBOX FB36CA AND FB42C PART NUMBER FB36CA FB42C DESCRIPTION 103437 03 103437 04 Firebox Top 103608 01 103608 01 Firebrick Retainer 103717 01 103717 02 Rear Firebrick 103718 01 103718 01 Left Side Firebrick 103719 01 103719 01 Right Side Firebrick 103720 01 103720 02 Bottom Firebrick 103796 01 103796 02 Outer Casing 103440 01 103440 02 Outer Casing Bottom 103797 01 103797 02 Firebox Wrapper 103297 02 103297 02 Screen Assembly 103444 01CJ 103444 02CJ Hood 103442 01CK 103442 03CK Front Assembly 103445 01 103445 02 Firebox Bottom 103452 01 103452 02 Screen Rod 101348 01 101348 01 Firebox Supports 103438 01 103438 02 Outer Casing Top M11084 26 Hex Head Screw 10 16 M11084 26 Hex Head Screw 10 16 098304 01 098304 01 Phillips Pan Head Screw 103771 01 103771 01 Strain Relief Fitting 103769 01 103769 01 Duplex Outlet M12461 2 M1
5. 2 20 Height Depth N x 1 Naside NON 8 FOR 36 MODELS Height 37 for FB36NCA 35 1 2 for FB36CA Figure 8b 72 TOP VIEW FOR 42 MODELS Height 37 for FBA2NCA TR SN 35 1 2 for FB42CA Figure 8 Figure 8 Rough Opening for Installing in Wall 78 TOP VIEW 103451 INSTALLATION Continued 3 Carefully set firebox in front of rough opening with back of firebox inside wall opening IMPORTANT If install ing Brass Trim Kit GA6091 or GA6092 see instructions included with brass trim accessory You must install shoulder screws from brass trim kit now 4 Carefully insert firebox into rough opening 5 Attach firebox to wall studs using nails or wood screws through holes in nail ing flange see Figure 9 6 Ifusing optional GA6091 or GA6092 Brass Trim Kit install the trim after fi nal finishing and or painting of wall See instructions included with brass trim accessory for attaching brass trim 7 Install and properly test gas log heater Follow installation instructions in cluded with the vent free gas log heater that is being installed IMPORTANT When finishing your fire box combustible materials such as wall board gypsum board sheet rock drywall plywood etc may be butted up next to the sides and
6. 3 Figure 4 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts 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 IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent SS 3 Ventilation P Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Room Remove Option 2 Option 1 Door into Adjoining Room Option 3 D Figure 4 Ventilation Air from Inside Building ALEEN Ventilated Outlet Air Attic L Outlet Air To Attic Crawl Space Inlet Air Ventilated Crawl F
7. Fitting into Electrical Access Hole Continued VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX INSTALLATION Continued INSTALLING FIREPLACE SCREEN 1 Insert each rod through all rings located at top of screen 2 Insert first rod into rear hole in left side of firebox Fasten rod to rear hole near center of firebox using 10 x 3 8 Phillips screw provided 3 Insert other rod into front hole on right side of firebox and fasten using remain ing Phillips screw E Top View of Rod Layout Rear Hole Front Hole Figure 21 Installing Fireplace Screen Models FB36CA and FB42C Shown 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 DESA LOG 1 800 337 2564 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 this product If they can t supply original replacement part s call DESA International s Techni cal Service Department at 1 800 DESA LOG 1 800 337 2564 When calling DESA International have ready your name your address model number of your firebox how firebox was malfunctioning type of gas used propane or natural gas purchase date Usually we will ask you to return the defec
8. Installation Manual 2 Black 10 x 3 8 Phillips screws for mounting screen support rods If any items are missing inform dealer where you bought firebox 4 Check all items for any shipping dam age If damaged promptly inform dealer where you bought firebox Notice The firebox identification label including model number serial number clearances etc is located either on the left front edge of the firebox or behind the left side firebrick panel See Fig ure 15 page 10 103451 OWNER S MANUAL PRODUCT os St Standoffs Models FB36NCA X and FB42NC only 6 5 5 19 3 8 Built in Nailing 3 Flanges i 0 4 36 36 models 42 42 models Louvers Models FB36CA and FB42C only 41 11 16 36 models 47 11 16 42 models Figure 1 Firebox Front View Standoffs Models FB36NCA and FB42NC only P 2 3 4 Electrical lt Hole for when Using blower power cord with 0 external electrical 5 8 outlet See LE Blower Kit Instructions Gas Line Access Hole either side lt 30 3 8 36 Models 36 7 8 42 Models I 36 36 Models 42 42 Models _ lt 41 36e Models 47 42 Models lt
9. circulating models only install a properly grounded 120 volt three prong electrical outlet at firebox loca tion if an outlet is not there If possible locate outlet so cabinet mantel will cover it when installed see Figure 10 3 Install gas piping to firebox location See Installing Gas Line page 10 You may have to cut an access hole in the floor or wall to run gas line to firebox Make sure to locate access hole so cabi net mantel will cover it when installed see Figure 10 4 Place cabinet mantel on floor in desired location Make sure mantel is flush against wall 5 Breakoffnailing flanges with hammer or pliers see Figure 11 Cabinet al Electrical Gas Line Gas Access Hole Piping Either Side of Firebox Figure 10 Installing Cabinet Mantel Nailing Flanges Figure 11 Location of Nailing Flanges Two on Each Side Continued VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX INSTALLATION Continued 6 Install the brass trim kit furnished with mantel See instruction sheet included with the mantel now 7 If installing the optional GA3700 Blower circulating models only see instruction sheet included with blower now 8 Carefully insert firebox into cabinet mantel Be careful not to scratch fire box cabinet mantel flooring etc when i
10. 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 PROVIDING ADEQUATE VENTILATION The following is exerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Contruction 2 Unconfined Space 3 Confined Space The information on pages 4 through 6 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 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 applied 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 thr
11. volume of space Example Space size 22 ft length x 18 ft width x 8 ft ceiling height 3168 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 Divide the space volume by 50 cubic feet to determine the maximum Btu Hr the space can support volume of space 50 cu ft Maximum Btu Hr the space can support Example 3168 cu ft volume of space 50 cu ft 63 3 or 63 300 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free firebox Btu Hr Gas water heater Btu Hr Example Gas water heater 40 000 Btu Hr Gas furnace Btu Hr PLA ent free firebox Vented gas heater gt BtwHir with log heater 39 000 Btu Hr Gas firebox logs Btu Hr Total 79 000 Btu Hr Other gas 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 63 300 Btu Hr maximum the space can support 79 000 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
12. 2461 2 Outlet Mounting Screw p 4 w 103451 17 VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX NOTES OWNER S MANUAL NOTES WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial 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 FIREBOX DESA International warrants this product to be free from defects in materials and components for three 3 years 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 heater 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
13. IM ACCESSORY Not Shown GA6091 36 Models GA6092 42 Models Optional with built in installation Provides a finished appearance covering rough and or unfinished mantel or wall opening edges BRASS HOOD ACCESSORY Not Shown GA6097 36 Models GA6098 42 Models Decorative polished brass hood enhances the appearance of the firebox VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX ILLUSTRATED PARTS BREAKDOWN FB36NCA AND FB42NC 14 103451 OWNER S MANUAL PA RT S LI ST This list contains replaceable parts used in your firebox When ordering parts follow the instructions listed under Replacement Parts on page 12 of this manual FIREBOX FB36NCA AND FB42NC PART NUMBER FB36NCA FB42NC DESCRIPTION 103437 01 103437 02 Firebox Top 103608 01 103608 01 Firebrick Retainer 103717 01 103717 02 Rear Firebrick 103718 01 103718 01 Left Side Firebrick 103719 01 103719 01 Right Side Firebrick 103720 01 103720 02 Bottom Firebrick 103796 01 103796 02 Outer Casing 103440 01 103440 02 Outer Casing Bottom 103797 01 103797 02 Firebox Wrapper 103297 02 103297 02 Screen Assembly 103444 0100 103444 0200 Hood 103442 02CK 103442 04CK Front Assembly 103445 01 103445 02 Firebox Bottom 103452 01 103452 02 Screen Rod 101348 01 101348 01 Firebox Supports 103438 01 103438 02 Outer Casing Top M11084 26 Hex Head Screw 10 16 M11084 26 Hex Head Screw 10 16
14. VANGUARD UNVENTED VENT FREE LogMate UNIVERSAL FIREBOX OWNER S OPERATION AND INSTALLATION MANUAL FB36NCA and FB42NC Non circulating Models 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 DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s in structions 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 FB36CA and FB42C Circulating Models WARNING Improper installa tion adjustment alteration service or maintenance can cause injury or property dam age Refer to this manual for correct installation and opera tional procedures For assis tance or additional informa tion consult a qualified in staller service agency or the gas supplier WARNING For use only with decorative type unvented room heaters Do not build a wood fire This firebox has been tested and approved by l A S under their REQ 2 97 for use with any ANSI Z21 11 2 appro
15. ached If stand off spac ers are attached to your firebox these spac ers can be placed directly against wall or framing materials Use the dimensions shown for rough opening to create the easi est installation 0 to Floor Figure 6 Minimum Clearance to Wall Ceiling and Floor Continued 103451 7 VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX INSTALLATION Continued Mantel Clearances for Built In Installation If placing custom mantel above built in firebox you must meet the minimum allow able clearance between mantel shelf and top of firebox opening shown in Figure 7 These are the minimum allowable mantel clear ances for a safe installation Use larger clear ances wherever possible to minimize the heating of objects and materials placed on the mantel A CAUTION Do not allow the vent free gas log heater to touch or extend beyond the fireplace screen If your installation dies not meet the above minimum clearances in Figure 7 you must raise the mantel to an acceptable height OR remove the mantel BUILT IN FIREBOX INSTALLATION Built in installation of this firebox involves installing firebox into a framed in enclo sure This makes the front of firebox flush with wall Optional brass trim accessories are available see Accessories page 13 The brass trim will extend past sides of firebox approximately 1 2 inch This will cover the rough edges of the wall
16. burn ing fireplace Use only decorative unvented room heaters log sets 4 Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting 5 You must operate this fireplace with the provided fireplace screen hood and brick liner in place Make sure these parts are in place and screens are closed before running firebox 10 11 12 13 14 15 16 Do not allow fans to blow directly into the firebox Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting Do not use a blower insert heat ex changer insert or other accessory not approved for use with this heater Do not use blower accessory with Models FB36NCA or FB42NC Use only the provided hood or appropriate polished brass hood accessory See Accessories on page 13 Vent free gas log heaters installed in these fireboxes require fresh air venti lation to run properly See Air for Com bustion and Ventilation pages 4 through 6 Do not run firebox where flammable liquids or vapors are used or stored under dusty conditions Do not use this firebox to cook food or burn paper or other objects Never place any objects in the firebox or on logs Firebox front and screen becomes very hot when running firebox Keep chil dren and adults away from hot surfaces to avoid burns or clo
17. e fire place or vent free gas logs LOCATING FIREBOX Planning Plan where you will install the firebox This will save time and money later when you install the firebox Before installation con sider the following 1 Where the firebox will be located Al low for wall and ceiling clearances see Installation Clearances page 7 2 Everything needed to complete instal lation 3 These models CANNOT be installed in a bedroom or bathroom 4 Proper air for combustion and ventila tion see below AIR FOR COMBUSTION AND VENTILATION 4 WARNING This firebox shall not be installed in a confined space unless provisions are pro vided for adequate combustion and ventilation air Read the fol lowing instructions 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 help reduce heat loss in homes Home own ers 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 pos sible While itis good to make your home energy 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 fireboxes clothes dryers and fuel burning appliances draw air
18. ee criteria above you must provide ad ditional fresh air See Ventilation Air From Outdoors page 6 If your home does not meet all of the three criteria above proceed to page 5 Confined and Unconfined Space The National Fuel Gas Code ANSIZ223 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 unconfined 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 Adjoining rooms are communicating only if there are doorless passageways or ventila tion grills between them Continued 103451 OWNER S MANUAL AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR FIREBOX LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space Space Includes the room in which you will install firebox 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
19. heater 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 aresult of misuse accidents lack of proper maintenance or defects caused by improper installation As with all concrete liners this liner may develop slight cracks when exposed to heat This cracking is considered normal Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO THREE 3 YEARS ON ALL COMPO NENTS 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 CONSE QUENTIAL 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 limitatio
20. igure 5 Ventilation Air from Outdoors 6 103451 INSTALLATION NOTICE This heater is intended for use as supplemental heat Do not install this heater as your primary heat source In the event of a power outage you can use this heater as your primary heat source NOTICE A qualified service per son must install firebox Follow all local codes OWNER S MANUAL INSTALLATION CLEARANCES WARNING Maintain the mini mum clearances If you can pro vide greater clearances from floor ceiling and adjoining wall Carefully follow the instructions below This will ensure safe installation Minimum Wall and Ceiling D Clearances from the bottom of firebox to the floor is 0 inches These fireboxes can be installed as free standing units against a wall with the ap proved optional cabinet mantels see Ac cessories page 13 or as a built in unit The clearances are the same for either installa tion method CAUTION Do not install the firebox directly on carpet or vinyl Clearances see Figure 6 WARNING Never install the firebox in a bedroom or bathroom inarecreational vehicle where curtains furniture clothing or other flammable objectsareless than 36 inches from the front top or sides of C the firebox in high traffic areas in windy or drafty areas Clearances from the side of the firebox opening to any combustible wall should
21. n 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 DESA DLL INTERNATIONAL 2701 Industrial Drive NOT A UPC P O Box 90004 Bowling Green KY 42102 9004 103451 01 Rev C 12 97
22. not be less than 16 inches B Clearances from the top of the firebox opening to the ceiling should not be less than 42 inches When the firebox 18 installed on car peting or other combustible material other than wood flooring the firebox should be installed on a metal or wood panel extending the full width and depth of the enclosure 4 CAUTION Log heaters in stalled inthisfirebox create warm air currents These currents move heat to wall surfaces next to fire box Installing firebox next to vi nyl or cloth wall coverings or operating firebox where impuri ties in the air such as tobacco smoke exist may discolor walls Mantel Clearances for Conventional Installation IMPORTANT Vent free gas log heaters add moisture to the air Although this is beneficial installing firebox in rooms with out enough ventilation air may cause mil dew to form from too much moisture See Air for Combustion and Ventilation pages 4 through 6 IMPORTANT Make sure the firebox is level If firebox is not level log set will not work properly 42 to Ceiling to Side Wall to Side Wall Note Your Vanguard firebox is designed to be used in zero clearance installations Wall or framing material can be placed against any exterior surface on the rear sides or top of your firebox except where stand off spac ers are integrally att
23. nstalling see Figure 12 9 Install and properly test gas log heater Follow installation instructions in cluded with the vent free gas log heater that is being installed Figure 12 Inserting Firebox Into Cabinet Mantel INSTALLING GAS LINE NOTICE A qualified service per son must connect heater to gas supply Follow all local codes IMPORTANT See Connecting to Gas Sup plyin yourlog set owners manual for details on gas hookup You may run the gas line from either side of the firebox see Figure 13 Decide which side you want to run the gas line from Note Thisis one option for installing shutoff valve Check local codes for shutoff valve location requirements P HARD WIRING FIREBOX Im Manual For Built in Installation of Shutoff Circulating Models Only Valves Install Models FB36CA and FB42C can be hard One wired to the duplex outlet located inside the firebox bottom if desired This allows the GA3700 Blower Accessory to be plugged into the duplex outlet NOTICE A qualified electrician must connect electrical wiring to duplex outlet for built in installa tion Follow all local codes In absence of local codes follow The National Electric Code ANSI Knockout Locations Knock Out One Hole Gas Line Hole Figure 13 Installing Gas Line and Manual NFPA 0
24. opening If installing a mantel above the firebox you must follow the clearances shown in Figure 7 Follow the instructions below to install the firebox in this manner 1 Frame in rough opening The firebox framing should be constructed of 2 x 4 lumber or heavier Use dimensions in Table 1 and rough opening layout in Figure 8a Adjust framing so that fire box flushes with finished wall surface If installing in a corner use dimensions in Figures 8b and 8c for rough opening 2 Install gas piping to firebox location See Installing Gas Line on page 10 and Connecting to Gas Supply in log set owners manual IMPORTANT If installing blower acces sory Models FB36CA and FB42C see Hard Wiring Firebox page 10 Non combustible Material Mantel Shelf May Project Off this Surface above the Firebox Hood Note All vertical measurements are from top of fireplace hood opening to bottom of mantel shelf All measurements are in inches Facing material above firebox may be of combustible material including decorative mantel ornaments Firebox Wire mesh Screen Firebox Hood Must Be Used at All Times Figure 7 Minimum Mantel Clearances for Built in Installation TABLE 1 ROUGH OPENING DIMENSIONS FOR BUILT IN INSTALLATION FRONT WIDTH DEPTH MODEL Inside to Inside HEIGHT Minimum FB36NCA 41 1 4 37 20 FB36CA 41 1 4 35 1 2 20 FB42NC 47 1 4 37 20 FB42C 47 35 1
25. or from bottom of firebox Bracket Screw MY uL p Figure 16 Removing Rear Firebrick Liner Panel Figure 17 Removing Bottom Firebrick Floor 103451 OWNER S MANUAL 4 Remove the four Phillips screws in fire box bottom 5 Usethe two finger holes in the firebox bottom to carefully lift up and remove the firebox bottom 6 Locate duplex outlet mounted to sup port bracket in lower right hand side of firebox Remove screw holding duplex outlet to support bracket in bottom of firebox Remove duplex outlet see Fig ure 19 7 Clampelectrical cable hard wiring into firebox through smallest hole using strain relief fitting provided see Fig ure 20 8 Connectelectrical cable to duplex out let Match wire colors to those on du plex outlet Be sure to connect ground wire 9 Replace duplex outlet with screw 10 You may now install GA3700 Blower Accessory if desired See installation instruction sheet included with blower kit 11 Replace firebox bottom with four Phillips screws 12 Carefully replace firebrick panels in reverse order see Figures 15 16 and 17 pages 10 and 11 Screws Finger Firebox Bottom Screws Figure 18 Removing Firebox Bottom Electric Cables Duplex Ji Outlet Support Bracket Strain Relief Fitting Electric Cables Small Hole Figure 20 Installing Strain Relief
26. provide additional fresh air Your options are as follows A Rework work sheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoin ing room or add ventilation grills between rooms See Ventilation Air from Inside Building page 6 B Vent room directly to the outdoors See Ventilation Air from Outdoors page 6 C Install a lower Btu Hr firebox 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 WARNING If the area in which the firebox and gas log heater may be operated is smaller than that defined as an unconfined space provide adequate combustion and ventillation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 1992 Section 5 3 or applicable local codes Continued 103451 5 VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX 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
27. thing ignition Fire box will remain hot for a time after shut down Allow surfaces to cool be fore touching Carefully supervise young children when they are in the room with fire box Turn firebox off and let cool before servicing Only a qualified service per son should service and repair firebox Operating firebox above elevations of 4 500 feet could cause pilot outage Do not use the firebox if it has been under water due to the shock hazard that could result with the blower acces sary if installed in place LOCAL CODES Install and use fireplace with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI 7223 1 also known as NFPA 54 Firebox must be electrically grounded in accordance with the National Electrical Code ANSI NFPA 70 latest edi tion Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 UNPACKING 1 Use utility knife to cut carton all the way around above the staples on the bottom tray Lift carton off the firebox and discard 2 Remove all protective packaging from inside firebox Carefully lift the fire box off the bottom corrugated tray 3 Check carton contents for the following Screen assembly Screen support rod Hardware and parts bag containing the following Owners Operation and
28. top of the firebox Combustible materials should never overlap the firebox front facing WARNING Do not allow combustable materials to over lap the firebox front facing Nails or Wood Screws 9 prs n d Nailing Flanges Figure 9 Attaching Firebox to Wall Studs 103451 OWNER S MANUAL IMPORTANT Non combustible materials such as brick tile etc may overlap the front facing but should never cover any neces sary openings like louvered slots A WARNING Do not allow non combustible materials to cover any necessary openings like lou vered slots Ay WARNING Never modify or cover the louvered slots on the front of the firebox WARNING Use only non com bustible mortar or adhesives when overlapping the front fac ing with non combustible facing material INSTALLING FIREBOX USING OPTIONAL ACCESSORY MANTELS NOTICE A qualified service per son must install firebox Follow all local codes This firebox may be installed using a cabi net mantel accessory against a wall in your home The firebox and cabinet mantel can be installed directly on the floor A brass trim kit is included with the mantel acces sory GM103U or 1050 see Accesso ries page 13 1 Assemble cabinet mantel accessory and the brass trim kit Assembly instruc tions are included with each accessory 2 If using an optional GA3700 Blower
29. ved gas logs This firebox may be installed in an aftermarket manufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer i e Installation of this product is permit ted after the manufactured mobile home is sited Save this manual for future reference VANGUARD UNVENTED VENT FREE LOGMATE FIREBOX SAFETY INFORMATION A WARNINGS IMPORTANT Read this owner s manual carefully and completely before trying to assemble oper ate or service this firebox Im proper use of this firebox can cause serious injury or death from burns fire explosion electrical shock or carbon monoxide poi soning A CAUTION Carefully review the instructions supplied with the decorative type unvented room heater for the minimum fireplace size requirement Do not install the appliance in this firebox un less this firebox meets the mini mum dimensions required for the installation WARNING Any change to this firebox or its controls can be dangerous 1 This firebox shall not be installed in bedroom or bathroom 2 Never install the firebox 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 firebox in high traffic areas in windy or drafty areas 3 Donotuse this firebox as a wood
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