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Desa CGEFP33NRB User's Manual

1. 38 www desatech com 111245 01B PARTS LIST FIREBOX MODELS CGEFP33PRB CGEFP33NRB EFP33PRB AND EFP33NRB This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 40 of this manual KEY PART NUMBER DESCRIPTION Top Outer Casing a Outer Casing 102758 02CK Right Front Side 102759 02CK Left Front Side 098304 01 Phillips Pan Head Screw 10 104239 01CK Top Front Louver 101712 02 Firebox Hood 101348 01 Firebox Support 099230 02 Shoulder Screw 101872 03 Firebox Top 101346 01 Outer Base ES Firebox Wrapper 101514 01 Cover M11084 26 Hex Screw 10 110466 01 Bottom Louvered Door 101727 02 Screen Assembly PARTS AVAILABLE NOT SHOWN 101386 02 Louvered Door Hinge 101784 01 Magnet Catch 102307 01 Strike Plate Not a field replaceable part ANOaARWDN 1 4 4 4 9 1 1 2 4 1 1 1 1 111245 01B www desatech com 39 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 Heating Products Technical Service Department at 1 866 672 6040 When calling DESA Heating Products have ready your name your address model and serial numbers of your fireplace how fireplace was malfunctionin
2. tective material from top of hearth base and from front of fireplace if any Note You can secure fireplace to hearth or floor Open lower louver Locate screw holes in bottom of base Tighten wood screws through these holes and into hearth or floor 12 Check all gas connections for leaks See Checking Gas Connections page 19 IN Figure 33 Inserting Fireplace Into Cabinet Mantel BUILT IN FIREPLACE INSTALLATION Built in installation of this fireplace involves installing fireplace into a framed in enclosure This makes the front of fireplace flush with wall If installing a mantel above the fireplace you must follow the clearances shown in Figure 37 page 23 Follow the instructions below to install the fireplace in this manner Actual Framing Height 32910 33 Front Width 34 She 35 1 2 Depth 167he 1730 1 Frame in rough opening Use dimensions shown in Figure 34 page 22 for the rough opening If installing in a corner use dimen sions shown in Figure 35 page 22 for the rough opening The height is 33 which is the same as the wall opening above 2 Install and properly ground GA3555 three prong 120 volt electrical outlet in fireplace Follow instructions included in kit see Ac cessories page 40 111245 01B www desatech com 21 10 INSTALLATION Continued If not already completed install gas pipin
3. CCK GCK Not Shown For all models Your vent free gas appliance re quires regular cleaning and maintenance to prevent performance problems This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance INFORMATION VIDEO 108917 01 For all models A care and maintenance video is avail able by calling 1 866 672 6040 You may also email your request to productsupport desaint com FIREBOX BRICK LINER G8005 SERIES Not Shown For all models Ceramic fiber firebox liner adds the look of real brick 40 www desatech com 111245 01B ACCESSORIES Continued CORNER MANTEL AND BASE ACCESSORY WITH FIREPLACE PERIMETER TRIM Not Shown CMA303 Series Unfinished Oak Veneer Ready to Stain or Paint For all models Space saving corner mantels feature moldings fluting and medallion CABINET MANTEL AND BASE ACCESSORY WITH FIREPLACE PERIMETER TRIM CMA305U Series Unfinished Oak Veneer Ready to Stain or Paint CMA300F Series Stained Oak Veneer CMA302F Series Cherry Stained Birch Veneer For all models Mantel and base feature moldings fluted sides and medallion Mantel Dimensions H xW xD 44 7 8 x 55 s x 23 s Base Dimensions H xW xD 5 s x 58 s x 25 3 4 CORNER MANTEL ACCESSORY WITH FIREPLACE PERIMETER TRIM Not Shown GMC36F Series Walnut Finished Hardwood Veneer GMC37U Series Unfinished Hardwood Veneer Ready to Stain or Paint
4. For assistance or addi tional information consult a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxygen from the room in which itis installed Provi sions for adequate combustion and ventilation air must be provided Referto Airfor Combustion and Ventilation section on page 6 of this manual This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indi cated on the rating plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit Vent free gas products are prohibited for bedroom and bathroom installation in the Common wealth of Massachusetts TABLE OF CONTENTS Safety Information ene 3 Troubleshooting erre ees Product Identification ssssss 4 Specifications Local Cod6s error rir rtm metes 5 Service Hints UNPACKING 5 conet t eee ere tente 5 Technical Servic
5. GM202F Series Medium Stained Oak Veneer For all models Mantel features moldings fluted sides and medallion LA CABINET MANTEL ACCESSORY WITH FIREPLACE PERIMETER BRASS TRIM GMC11F Series Walnut Finished Hardwood Veneer GMC12U Series Unfinished Hardwood Veneer Ready to Stain or Paint GMC13F Series Medium Stained Oak Veneer GM102W Series Off White Paint For all models Mantel features moldings fluted sides and medallion Dimensions H xW xD 48 x 56 3 4 x 22 3 4 CORNER HEARTH BASE FOR USE WITH CORNER MANTEL Not Shown G3008F Series Walnut Stained G3009U Series Unfinished G3010F Series Oak Stained For all models The hearth base creates a hand some riser for the corner fireplace HEARTH BASE FOR USE WITH CABINET MANTEL GC3335F Series Medium Stained Oak Veneer G3004W Series Off White Paint GC3333F Series Walnut Stained GC3334U Series Unfinished For all models The hearth base creates a handsome riser for the fireplace Dimensions H xW xD 6 x 58 x 28 916 111245 01B www desatech com 41 WIRING DIAGRAM Note For proper operation the wires must be connected exactly as shown in wiring diagram See pages 35 or 37 for number key d 21 32 19 31 42 www desatech com 111245 01B TE
6. Hole in Floor Support Bracket Hole in Outer Casing Bushings Power Cord Figure 7 Routing Power Cord RELOCATING WALL SWITCH ASSEMBLY Note The decorative wall switch plate supplied is white The wall switch plate may be painted to match your decor The push button switch and decorative wall plate assembly supplied with your fireplace is pre mounted at the factory in the lower cavity of the fireplace You may relocate this wall switch assembly to a more convenient location such as the side of your mantel or directly onto the wall near the fireplace To mount the wall switch assembly you must first cut openings in the mantel or wall where the switch will be located 10 www desatech com 111245 01B INSTALLATION Continued Note If you choose to relocate the wall switch assembly do so before final installation into a mantel or recessing into a wall If you are installing an optional blower accessory install it at the same time you relocate the wall switch assembly A CAUTION The wall switch assembly must never be mount ed directly above the fireplace where heat may damage it If you relocate wall switch assembly from lower fireplace cavity it must be mounted either on side wall of mantel or on wall to side of fireplace For Recessed Installation If fireplace is to be recessed into a wall see Built In Fireplace Installation page 21 we recommend mounting wall switch assembly to left
7. Until repairs are made light and operate manually see Manual Lighting Instructions for Electric Power Outage page 27 When pilot flame is lit the thermocouple is heated by the flame When thermocouple becomes hot 5 to 15 seconds main burner will automatically light on high flame To lower flame push HI LO button on wall switch once Note This fireplace does not have a pilot only mode just heating levels by using the A CAUTION Do not try to ad equipment shutoff valve Manual Ignition Bypass Switch Up is for Remote Control HI LO Button ON OFF MANUAL IGNITION SA Button paa w Wall Switch LED Assembly Figure 47 Control Locations Manual Ignitor Pilot Electrode Burner Automatic Ignitor Electrode Figure 48 Pilot Natural Gas Manual Ignitor Pilot Electrode Burner Automatic Ignitor Electrode Figure 49 Pilot Propane LP Gas B Using Hand Held Wireless Remote Control 1 Set manual ignition bypass switch on control panel to OFF position automatic ignition position Wait five 5 minutes to clear out any gas Smell for gas around heater and near floor If you smell gas STOP Follow B on page 25 column 2 If you don t smell gas go to the next step Point remote control toward the lower front of fireplace and push both buttons at the same time Hold for 6 seconds The gas valve will open and electronic igni tion will begin spark
8. Figure 29 Checking Gas Joints for Propane LP Gas Fireplace CONVENTIONAL FIREPLACE INSTALLATION Conventional installation of fireplace involves in stalling fireplace along with corner face or cabinet mantel with hearth base accessories against a wall in your home Follow instructions below to install fireplace in this manner Note The instructions below show installation us ing the cabinet mantel and hearth base accessories see Accessories page 40 The hearth base acces sory shown is optional for this installation You can install fireplace and cabinet mantel directly on the floor The corner mantel accessory cannot be installed with the hearth bases You must install corner mantel directly on the floor 1 Assemble cabinet mantel hearth base and trim accessories Assembly instructions are included with each accessory 2 When installing blower install a properly grounded 120 volt three prong electrical out let at fireplace location if an outlet is not there If possible locate outlet so cabinet mantel will cover it when installed see Figure 30 3 Ifnotalready completed install gas piping to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the equipment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Location page 17 4 Place hearth base accessory against wall at installation
9. This fireplace operates on 120 VAC 60 Hz power An electrical power cord is supplied with this unit For Mantel Installation 1 Determine from which side of the fireplace the power cord will exit Locate the 1 5 diameter hole near the center of floor support bracket on appropriate side of lower cavity see Figure 7 2 Locate power cord Remove wire tie or tape holding plug end of power cord 3 Power cord has 2 plastic hole bushings threaded onto it Route cord s 3 prong plug through the 1 5 diameter hole in appropriate floor support bracket 4 Push first plastic bushing completely through hole Squeeze bushing as needed to do this 5 Install the second plastic bushing into the hole in the floor support bracket by snapping into place 6 Route the 3 prong plug through the 1 5 hole in fireplace outer casing 7 Install the first plastic bushing into this hole by snapping into place 8 After you have connected to gas supply and checked your gas connections see pages 17 through 20 plug power cord into any conve nient 3 prong grounded wall receptacle near fireplace For Recessed Installation If an outlet is not installed in fireplace install model GA3555 Outlet Kit with Cover This kit will supply a convenient 3 prong grounded electrical outlet for power Refer to installation manual provided with this optional accessory for instructions on wiring Note A qualified installer must make all electrical connections
10. along with your primary heating system Do not install this heater as your pri mary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heatthroughoutthe house In the event of a power outage you can use this heater as your primary heat source AX WARNING A qualified ser vice person must install fire place Follow all local codes A WARNING Never install the fireplace in a bedroom or bathroom inarecreational vehicle where curtains furniture clothing or other flammable objects are less than 42 inches from the front top or sides of the fireplace in high traffic areas in windy or drafty areas AR CAUTION This fireplace cre ates warm air currents These currents move heat to wall sur faces nextto fireplace Installing fireplace next to vinyl or cloth wall coverings or operating fireplace where impurities such as but not limited to tobacco smoke aromatic candles clean ing fluids oil or kerosene lamps etc inthe air exist may discolor walls or cause odors Note Your 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 except where standoff spacers are integrally attached If standoff spacers are attached to your fireplace these spacers can be p
11. diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury AX CAUTION Do not remove the warning and instruction labels attached to the heater base as sembly These markings contain important warranty information Ay CAUTION After installa tion and periodically thereafter check to ensure that no flame comes in contact with any log With the heater set to HI check toseeifflames contactany log If so reposition logs according to the log installation instructions in this manual Flames contact ing logs will create soot It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with heater L Locate pegs on the bottom of back log 71 Slide these pegs into the holes in the grate base behind the burner see Figure 41 Place the base of the middle log 2 in the U shaped slots of the grate base in front of the back log The cutout on the right of the middle log should fit over the burner see Figure 42 Make sure the front of the middle log is resting on the tabs of the grate base and the cutout area is centered over the burner U bend Locate the notches in the bottom of the front log 23 Place the front log on the grate fingers Make sure the notches of the front log line up with the grate fingers see Figure 43 Place left crossover log 4 across logs 1 2 and 3 fit
12. gas or propane LP supply to equipment shutoff valve for propane LP gas see Figures 28 or 29 page 20 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Gh Closed Figure 27 Equipment Shutoff Valve T T 111245 01B www desatech com 19 INSTALLATION Continued PRESSURE TESTING FIREPLACE GAS CONNECTIONS 1 Open equipment shutoff valve see Figure 27 page 19 2 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve 3 Place manual ignition switch in the OFF position 4 Check all joints from equipment shutoff valve to gas valve see Figure 28 or 29 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once Light fireplace see Operating Fireplace page 25 Check all other internal joints for leaks 7 Turn off fireplace see To Turn Off Gas to Appliance page 27 Equipment Shutoff Valve Gas Meter Figure 28 Checking Gas Joints for Natural Gas Fireplace Manual Gas Valve Equipment Shutoff Valve Propane LP Supply Tank y Manual Gas Valve
13. prevent performance problems with pro pane LP units do not use propane LP fuel tanks of less than 100 lb capacity 17 Provide adequate clearances around air openings PRODUCT IDENTIFICATION Manual Override Handle Remote uen Control Wall Switch Assembly Manual Ignition Bypass Switch Figure 1 Fireplace Floor Assembly Top Louver Assembly Top Outer Casing Firebox Hood Firebox Support Screen Assembly Bottom Louver Assembly Blower Assembly Optional Figure 2 Fireplace 4 www desatech com 111245 01B LOCAL CODES Install and use fireplace with care Follow all local codes In the absence of local codes use the lat est edition of The National Fuel Gas Code ANSI Z223 1 NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 UNPACKING A CAUTION Donotremove the data plates attached to the heater base assembly The data plates contain important warranty and safety information 1 With utility knife cut the carton all the way around above the staples on the bottom tray Lift the carton off the heater Remove packing Note The hood is located in the packing on the right hand side of the heater front Lift the heater off the bottom tray 2 Locate two screws above top comers of the fireplace screen Remove and disca
14. regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 24 page 18 Pointing the vent down protects it from freezing rain or sleet 111245 01B www desatech com 1 INSTALLATION Continued 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 diameter or greater to allow proper gas volume to fireplace If pipe is too small undue loss of volume will occur Installation must include an equipment shutoff valve union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from fireplace see Figure 24 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Check your building codes for any special re quirements for locating equipment shutoff valve to fireplaces Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged fireplace valves Never use sealant on flare threads AX WARNING Use pipe joint sealant that is resistantto liquid petroleum LP gas External Regulator Propane LP Supply Tank N N NY SS Vent Pointing Down m EA Y y Figure 24 External Regulat
15. see Figure 18 Firmly attach red wire from the thermostatic switch and cover assembly to either of the ter minals on the blower motor see Figure 18 Firmly attach black wire from speed control cord to blue wire from thermostatic switch and cover assembly see Figure 18 Firmly attach white wire from speed control cord to remaining terminal on blower motor see Figure 18 Place control knob provided on plastic control shaft of speed control see Figure 20 Mount the speed control onto the front leg of the left floor support bracket using 2 screws provided see Figure 20 Lower Rear po Wall of EX M E EFI re box E SaL Blower Figure 19 Mounting Blower to Firebox Floor Support Bracket Screws Figure 20 Attaching Speed Control 111245 01B www desatech com 15 INSTALLATION Continued AX WARNING Failure to connect all wires properly as indicated may cause electrical short circuit or personal injury A qualified electrician should check that all connections are made properly 12 Plug in blower power cord a If your firebox is installed as a free standing unit with an accessory mantel determine whether the power cord will exit the left side or the right side of the firebox Install one plastic bushing provided into the 1 2 hole in the floor support on the exit side Install the second bushing provided into the 1 2 hole in the outer casing throu
16. side of fireplace The wall switch assembly should be mounted approximately 12 from left edge of fireplace and less than 60 from the floor IMPORTANT Do not locate wall switch assembly directly in front of wall stud there must be room behind wall board for wires from switch If you choose to locate wall switch assembly to right side of fireplace the length of the cord restricts you to less than 6 from right edge of fireplace and less than 48 from floor For Mantel Installation If fireplace is to be installed into a mantel see Conventional Fireplace Installation page 20 the wall switch assembly may be mounted on either side of the mantel facing to the side Do not locate wall switch assembly anywhere on the front face of the mantel Ay CAUTION Be careful of gas lines and wiring when moving floor 1 Determine the new location for the wall switch assembly The wires attached to switch are six feet long 2 Remove 2 screws securing plastic wall switch assembly to bracket in fireplace lower cavity Save screws 3 Remove wire tie holding coiled wire attached to wall switch assembly see Figure 8 4 Remove wall switch assembly from bracket 5 Carefully pass wall switch assembly and cord through large elongated hole in rear of either left or right floor support bracket depending on desired location of switch Pass wall switch as sembly and cord through 1 5 diameter hole in side of fireplace outer casing se
17. 0191 Parts Department Cans Unlimited Inc P O Box 645 Taylor SC 29687 0013 All States 803 879 3009 1 800 845 5301 cuisales aol com 111245 01B www desatech com 45 NOTES 46 www desatech com 111245 01B NOTES 111245 01B www desatech com 47 DESA HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com ev B 09 04 NOT A UPC
18. 02 103977 01 DESCRIPTION n Back Log 1 Middle Log 2 Front Log 3 Left Crossover Log 4 Right Crossover Log 5 ODS Pilot ODS Nut Pilot Tube Inlet Tube Burner Outlet Tube Burner Retainer Spring Burner Orifice Injector Burner Screw Self Tapping Painted Base Assy Firebox Bottom Valve Bracket Gas Control Valve Piezo Ignitor Palnut Fastener Switch and Wire Assembly Bracket Switch and Piezo Flexible Connector Wire Support Clip Pressure Regulator Fitting 3 8 Flare to 1 2 NPT Electrode Bracket Electrode Screw 6 x 1 1 4 PH Magnetic Manual Override Handle Wall Switch and Cord Wall Switch Decorative Plate Support PCB Wall Plate Decal Remote Control Receiver Assembly Sensor Assembly Module Control Board Ignitor Cable Main Power Cable Power Cord 1 5 Bushing Screw 6 Thermocouple Wire Screw 6019 x 1 4 Plug Button 3 4 Plug Button 5 8 PARTS AVAILABLE NOT SHOWN 19724000 901056 01 107736 01 107737 01 Not a field replaceable part Cable Tie Fitting 3 8 NPT Wall Plate Assembly Kit Contains Items 32 34 45 Wall Switch Assembly Kit Contains Items 29 31 32 34 45 A E SAA ek aes a lk EEES S EE E 2523 23 2 L4 23 2 Li 239023 230 3 Nj i5 X023 21 23 3 CE 2x 2x 2 111245 01B www desatech com 37 ILLUSTRATED PARTS BREAKDOWN FIREBOX MODELS CGEFP33PRB CGEFP33NRB EFP33PRB AND EFP33NRB x os
19. 7561 01 107564 01 107565 01 107565 02 107566 01 098271 08 107568 01 104015 01 101629 01 098303 02 107743 01 107847 01 103977 02 103977 01 Back Log 2 Middle Log 1 Front Log 3 Left Crossover Log 4 Right Crossover Log 5 ODS Pilot ODS Nut Pilot Tube Inlet Tube Burner Outlet Tube Burner Retainer Spring Burner Orifice Injector Burner Screw Self Tapping Painted Base Assy Firebox Bottom Valve Bracket Gas Control Valve Piezo Ignitor Palnut Fastener Switch and Wire Assembly Bracket Switch and Piezo Flexible Connector Wire Support Clip Pressure Regulator Fitting 3 8 Flare to 1 2 NPT Electrode Bracket Electrode Screw 6 x 1 1 4 PH Magnetic Manual Override Handle Wall Switch and Cord Wall Switch Decorative Plate Support PCB Wall Plate Decal Remote Control Receiver Assembly Sensor Assembly Module Control Board Ignitor Cable Main Power Cable Power Cord 1 5 Bushing Screw 6 Thermocouple Wire Screw 6019 x 1 4 Plug Button 3 4 Plug Button 5 8 PARTS AVAILABLE NOT SHOWN 19724000 901056 01 107736 01 107737 01 Not a field replaceable part Cable Tie Fitting 3 8 NPT Wall Plate Assembly Kit Contains Items 32 34 45 Wall Switch Assembly Kit Contains Items 29 31 32 34 45 x 1 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 4 1 1 1 1 1 1 1 1 2 2 1 2 1 1 111245 01B www des
20. DESA HEATING PRODUCTS UNVENTED VENT FREE GAS FIREPLACE OWNER S OPERATION AND INSTALLATION MANUAL We recommend that our products be installed and serviced by professionals who are certified in the U S by NFI National Fireplace Institute www nficertified org Shown with optional hearth base accessory CGEFP33PRB CGEFP33NRB EFP33PRB EFP33NRB Gas Fireplace with Total Control System TCS WARNING If the information in this manual is not fol lowed exactly a fire or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do nottouch any electrical switch do not use any phone in your building Immediately call your gas supplierfrom a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier Save this manual for future reference For more information visit www desatech com WARNING Improper installation adjustment altera tion service or maintenance can cause injury or prop erty damage Referto this manualfor correct installation and operational procedures
21. Ignitor Down is ON screen in place Make sure fire place screen is in place before HI LO running heater Butto m NOTICE During initial operation of new heater burning logs will Magnetic oe give off a paper burning smell Manual wall Open damper or window to vent 97706 Switch p Apert Handle LED ON OFF smell This will only last a few Button LED hours Figure 50 Control Locations 111245 01B www desatech com 27 OPERATING FIREPLACE Continued EE TO TURN OFF GAS TO APPLIANCE Shutting Off Heater When Manually Lit Set manualignition bypass switch on control panel to OFF automatic ignition position This will cause the controls to shut down the fireplace mm OPTIONAL BLOWER NE OPERATION Locate the blower switch by opening lower louver on fireplace Blower switch is located at lower right inside louver door The GA3650T GA3700T Series thermostat controlled blower has a variable speed control with an ON OFF switch The blower will start when the thermostat senses a sufficient increase in firebox temperature The GA3700 GA3750 Series variable speed blower also has an ON OFF switch built into the variable speed control Note for GA3650T GA3700T Series Only If you are using this series blower your fireplace and 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 blowe
22. MPLATES 3 8 Diameter 2 Holes 1 8 Diameter 2 Holes I Q 3 4 3 4 lt gt lt gt gt A TO 4 3 4 4 3 4 3 3 4 3 3 4 Y y Y 3 8 3 8 y i 111245 01B www desatech com 43 44 THIS PAGE INTENTIONALLY LEFT BLANK www desatech com 111245 01B PARTS CENTRAL These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing original replacement parts and accessories Tool amp Equip Co 5 Manila Ave Hamden CT 06514 0322 1 800 397 7553 203 248 7553 Parts Department Portable Heater Parts 342 N County Rd 400 East Valparaiso IN 46383 9704 All States 219 462 7441 1 888 619 7060 sales portableheaterparts com techservice portableheaterparts com FBD 1349 Adams St Bowling Green KY 42103 3413 270 846 1199 1 800 654 8534 Fax 1 800 846 0090 franktalk aol com Master Parts Distributors 1251 Mound Ave NW Grand Rapids MI 49504 2672 616 791 0505 1 800 446 1446 Fax 616 791 8270 www nbmc com Washer Equipment Co 1715 Main Street Kansas City MO 64108 2195 KS MO AR 816 842 3911 www washerparts com East Coast Energy Products 10 East Route 36 W Long Branch NJ 07764 732 870 8809 1 800 755 8809 www njplaza com ecep 21st Century 2950 Fretz Valley Road Perkasie PA 18944 4034 215 795 0400 800 325 4828 Laportes Parts amp Service 2444 N 5th Street Hartsville SC 29550 7704 803 332
23. PIPING TO FIREPLACE LOCATION A WARNING A qualified service person must connect fireplace to gas supply Follow all local codes AX WARNING For propane LP units never connect fireplace directly to propane LP supply This fireplace requires an external regulator not supplied Install the external regulator between the heater and propane LP supply Ay WARNING For natural gas units never connect fireplace to private non utility gas wells This gas is commonly known as wellhead gas Installation Items Needed Before installing fireplace make sure you have the items listed below external regulator supplied by installer for propane LP units only piping check local codes sealant resistant to propane LP gas equipment shutoff valve test gauge connection sediment trap tee joint pipe wrench approved flexible gas line with gas connector Gf allowed by local codes not provided A CSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 40 For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pres sure heater
24. R Lines and tape paper template vertically onto mantel Marks at E 2 Holes O wall at preferred location Pierce the paper at Centers T EM the centers of the 2 holes with a nail or sharp of Holes VAL pencil leaving a mark on the wall Do the same at centers of the four circles near the Template A corners of the rectangle from This 8 Remove paper template from mantel wall Manual 9 Drill 1 8 pilot holes at each mark for top and bottom screw holes Drill 3 8 holes at each mark for centers of four circles near corners ue O of rectangle 10 Using a straight edge and pencil connect the outer edges of the 4 holes for the rectangle see Figure 10 This will give you cutting lines for Tape the rectangle you will cut in the mantel wall y 11 Using a keyhole saw hack saw blade drill Fig ure 10 Using Template for Wall file or other suitable tool carefully cut out the Switch Assembly Installation rectangular opening Note The corners of the rectangle may be round IMPORTANT Do not exceed the size of the rectangle on template 12 Carefully pass wall switch assembly through A amp i rectangular opening from inside mantel see Figure 11 Folding Figure 12 Popping Figure ta Anchor Open Anchor Wings for Thin Walls 12 www desatech com 111245 01B 13 14 15 INSTALLATION Continued Position wall switch assembly vertically over opening with decal lettering upright Make sure wires freely pass through wall without b
25. Switch Assembly on 10 Using a straight edge and pencil connect the page 10 through holes in wall plate and outer edges of the 4 holes for the rectangle see into wall anchors Figure 10 This will give you cutting lines for 18 Tighten screws until wall plate is firmly at the rectangle you will cut in the wall tached to wall Do not overtighten 11 Using a keyhole saw hack saw blade drill M file or other suitable tool carefully cut out the Opening in Wall rectangular opening Nofe The corners of the or Mantel Wall rectangle may be round IMPORTANT Do not exceed the size of the rectangle on template Wall Switch 12 From inside the recessed opening for the Assembly fireplace carefully pass wall switch assembly through the rectangular opening to the outside Screws of the wall 13 Using wall anchors supplied in hardware pack age fold wall anchor as shown in Figure 11 14 Insert wall anchor wings first into hole Tap Figure 13 Securing Wall Switch anchor flush to wall Assembly 15 For thin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor Mounting Wall Switch Assembly to Side wings See Figure 12 IMPORTANT Do not of Mantel hammer key For thick walls over 1 2 thick 7 Create three openings in the mantel wall ac do not pop open wings cording to Template 2 page 41 This is best done by making a pattern to work with on the Cutting mantel Carefully cut page 39 40 from manual Make SHAR
26. appliance blocked affecting flame pattern Air holes at burner inlet 3 around heater Clean out air holes at burner inlet Periodically repeat as needed 4 Burner flame holes blocked 4 Remove blockage White powder residue forming 1 within burner box or on adjacent walls or furniture When heated vapors from 1 furniture polish wax carpet cleaners etc may turn into Turn heater off when using furniture polish wax carpet cleaners or similar products white powder residue SPECIFICATIONS CGEFP33NRB Btu Variable 20 000 33 000 Type Gas Natural Ignition Electronic Automatic Piezo Manual Manifold Pressure 3 5 W C Inlet Gas Pressure in of water Maximum 10 5 Minimum 5 Shipping Weight 122 Ibs For input adjustment SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burners will have delayed ignition heater will not produce specified heat for propane LP units propane LP gas supply may be low You may feel your gas pressure is too low If so con tact your local natural or propane LP gas supplier CGEFP33PRB 20 000 33 000 Propane LP Electronic Automatic Piezo Manual 8 0 W C 14 ii 122 Ibs TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your hea
27. arts in accordance with sup 9 Check to make sure that all electrical cords plied diagrams or failure to use are completely clear of the blower wheel only parts specifically approved and that there are no other foreign objects in ith this heat Iti blower wheel Turn blower on and check for WI Is heater may result in operation Turn blower off by rotating knob damage or personal injury fully counterclockwise before continuing A WARNING A qualified service CAUTION Never touch the person must connect fireplace blower wheel while in operation to gas supply Follow all local 10 Peel off backing paper and stick supplied codes wiring diagram decal near center of firebox LESS bottom Figure 17 X ES SS XX 11 If gas connections have been made and SSS rent SSS checked replace fireplace floor assembly SER SN Feed flexible gas supply line into fireplace SE i base area while replacing fireplace floor as g sembly Make sure the entire flexible gas line ZG lt b i is in fireplace base area K 4 WN s MS IMPORTANT Do not pick up fireplace floor assembly by burners This could damage SS lt lt A e burners Only handle base by grates Note SSR Q Wirin IL A Be careful of all wires and components on iring SNS Diagram SYS underside of floor assembly 9 SSN ES 12 Reattach fireplace floor assembly with SS screws removed in step 3 of Removing Fire place Scr
28. assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figure 53 3 Blow air through the ports slots and holes in the burner 4 Check the injector holder located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle 5 Blow air into the primary air holes on the injector holder 6 Incaseany large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Burner Tube Injector Holder Primary Air Holes Figure 53 Injector Holder On Outlet Burner Tube PILOT AIR INLET HOLE Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot as sembly There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly see Figure 54 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 You may also clean the pilot air inlet hole by pushing a common pipe cleaner completely through the air inlet hole once Ports Slots Pilot Assembly Pilot Air Inlet Hole Figure 54 Pilot Inlet Air Hole Natural Gas Model Shown LOGS e Ifyou remove logs for cleaning refer to Install ing Logs page 24 to properly re
29. atech com 35 ILLUSTRATED PARTS BREAKDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS EFP33PRB AND EFP33NRB EFP33PRB SHOWN 36 www desatech com 111245 01B PARTS LIST REMOTE CONTROL LOG BASE ASSEMBLY This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 40 of this manual KEY NO OANDARWNH PART NUMBER EFP33PRB 111625 04 111625 03 111625 01 111625 05 111625 07 104286 02 098249 01 099387 05 101973 02 107572 04 111124 01 099056 19 102772 01 M10908 2 107573 01 107559 02 102445 01 102334 01 107562 01 107685 01 101628 03 098544 01 099415 18 097809 03 107687 01 103904 02 100694 01 107560 01 107563 01 107558 01 102349 02 107561 01 107564 01 107565 01 107565 02 107566 01 098271 08 107568 01 104015 01 101629 01 098303 02 107743 01 107847 01 103977 02 103977 01 19724000 901056 01 107736 01 107737 01 EFP33NRB 111625 04 111625 03 111625 01 111625 05 111625 07 104285 02 098249 01 099387 05 111331 17 107572 04 111124 01 099056 26 102772 01 M10908 2 107573 01 107559 01 102445 01 102334 01 107562 01 107685 01 101628 03 098544 01 099415 12 097809 03 107687 01 103904 02 100694 01 107560 01 107563 01 107558 01 102349 02 107561 01 107564 01 107565 01 107565 02 107566 01 098271 08 107568 01 104015 01 101629 01 098303 02 107743 01 107847 01 103977
30. brass trim 2 Locate four brass screws two adjusting plates with set screws and two shims in the hardware packet 3 Align shim under adjusting plate as shown in Figure 38 4 Slide one end of adjusting plate shim in slot on mitered edge of top brass trim see Figure 38 5 Slide other end of adjusting plate shim in slot on mitered edge of side brass trim see Figure 38 6 While firmly holding edges of brass trim to gether tighten both set screws on the adjusting plate with slotted screwdriver 7 Repeat steps 1 through 6 for the other side 8 Tighten trim hanging screws 10 x 6 25 shoulder into holes in cabinets Place the assembled trim onto fireplace cabinet Align hanging notches on trim with hanging screws on side of fireplace see Figure 39 Push trim firmly into place sliding hanging notches over hanging screws Top Brass Trim Side Brass Trim Adjusting Set Screws Plate Slot ZO e Mitered Edge Figure 38 Assembling m m Trim uc cd 2 Hanging Notches on Trim Assembled i Brass Trim Figure 39 Attaching Brass Trim to Fireplace INSTALLING HOOD Tnstall hood to top of firebox as shown in Figure 40 Use 3 Phillips screws provided Figure 40 Installing Hood to Firebox 111245 01B www desatech com 23 INSTALLATION Continued INSTALLING LOGS WARNING Failure to position the parts inaccordance with these
31. ck and debris could fall into the control area of fireplace 7 To prevent the creation of soot follow the instruc tions in Cleaning and Maintenance page 29 8 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture 9 This fireplace needs fresh air ventilation to run properly This fireplace has an Oxygen Deple tion Sensing ODS safety shutoff system The ODS shuts down the fireplace if not enough fresh air is available See Air for Combustion and Ventilation page 6 If fireplace keeps shutting off see Troubleshooting page 30 10 Do not run fireplace where flammable liquids or vapors are used or stored under dusty conditions 11 Do not use this fireplace to cook food or burn paper or other objects 12 Donotuse fireplace if any part has been exposed to or under water Immediately call a qualified service technician to inspect the fireplace and to replace any part of the control system and any gas control which has been under water 13 Do not operate fireplace if any log is broken Do not operate fireplace if a log is chipped dime sized or larger 14 Turn fireplace off and let cool before servicing Only a qualified service person should service and repair fireplace 15 Operating fireplace above elevations of 4 500 feet could cause pilot outage 16 To
32. d Ventilation for required size of ventilation grills or ducts 177 11 LII A Ventilation Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Room Remove Option 2 Option t Door into Adjoining Room Option O 3 Ze S So Z A Z Figure 3 Ventilation Air from Inside Building 111245 01B www desatech com T AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent 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 ANSI Z223 1 NFPA 54 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 thermostat controlled power vent Heated air entering the attic will activate the power vent SA Ventilated Ati Outlet ttic Air N Outlet Air To Attic To Crawl Space Inlet Air Ventilated sin Crawl Space Figure 4 Ventilation Air from Outdoors INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater
33. djoining wall MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS Top Left and Bottom Right Sides and Rear o 16 o Carefully follow the instructions below This will ensure safe installation Minimum Clearances For Side Combustible Material Side Wall and Ceiling A Clearances from the side of the fireplace cabinet to any combustible material and wall should follow diagram in Figure 5 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 1 2 from the wall This combus tible material must be 4 from the side of the fireplace cabinet see Figure 5 INCHES 12 4 10 2 8 la Example d 5 3 2 TA 7 8 7 16 FIREBOX 5 1 2 4 6 8 10 12 14 16 INCHES Clearances from the top of the fireplace open ing to the ceiling should not be less than 42 inches Minimum 16 inches from Side Wall Figure 5 Minimum Clearance for Combustible to Wall INSTALLATION SEQUENCE After unpacking fireplace see Unpacking page 4 we suggest that you install your fireplace system in the following sequence W N A SP 8 ER Removal of fireplace floor assembly required Electrical connections for power cord required Relocating wall switch optional Installing blower accessory optional Connecting fireplace to gas supply required Checking gas connections required Firebox installation convent
34. e Product FeatUte Srini rect tte 5 Illustrated Parts Breakdown and Parts List 34 Air for Combustion and Ventilation 6 Replacement Parts sess 40 cic ME 8 Accessories Operating Fireplace sesssss 25 Wiring Diagram Inspecting Burners esses 28 Templates Cleaning and Maintenance 29 Paris Central oii www desatech com 111245 01B SAFETY INFORMATION AR WARNING This productcon tains and or generates chemicals known to the state of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manual carefully and completely before trying to assemble op erate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explo sion electrical shock and carbon monoxide poisoning AX DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with head aches dizziness or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influe
35. e Figure 9 6 Pull wall switch assembly and cord from fireplace making sure wall switch assembly will reach desired mounting location without straining cord assembly If you are mounting wall switch assembly to a wall continue reading If you are mounting your wall switch assembly to the side of the mantel see page 12 Burner Outlet Firebox Gas Control Valve Wall Switch Assembly Figure 8 Relocating Wall Switch Assembly Hole in Floor Support Bracket Figure 9 Routing Wall Switch Assembly Through Fireplace for Relocation Mounting Wall Switch Assembly to Wall for Recessed Fireplace 7 Create three openings on wall according to Template 1 page 41 This is best done by making a pattern to work with on your wall Carefully cut page 41 42 from manual and tape paper template vertically onto wall at preferred location Pierce the paper at the cen ters of the 2 holes with a nail or sharp pencil leaving a mark on the wall Do the same at centers of the four circles near the corners of the rectangle 111245 01B www desatech com 11 INSTALLATION 16 Position wall switch assembly vertically over Continued wall openings with decal lettering upright see Figure 13 8 Remove paper template from wall 17 Insert mounting screws removed in step 9 Drill 3 8 holes at each mark 2 of Relocating Wall
36. e added feature of LED s for visual feedback of operation and status OPTIONAL BLOWER ASSEMBLY ACCESSORY This fireplace accepts an optional blower assembly not included The GA3650T GA3700T Series blower operates thermostatically and features a variable speed control The GA3700 GA3750 Series operates manually and also features a vari able speed control The blower circulates heated air from the fireplace into the room Use of blower is optional See Accessories page 40 111245 01B www desatech com 5 AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed in a confined space or unusually tight con struction unless provisions are provided for adequate combus tion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insulation and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy effi cient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper combustion and ventilation Exhaust fans fireplaces clothes dryers and fuel burni
37. een Notches Figure 46 Installing Fireplace Screen OPERATING FIREPLACE BET FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A This appliance has a pilot which lights auto matically when using the supplied wall switch orremote control If you have a power outage the pilot may be lighted by hand with push button piezo ignitor When lighting the pilot the following warnings must be followed B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Inmediately 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 C Electric Power Outage Only Use only your hand to turn the manual override handle on the gas control knob Never use tools If the knob will not 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 D Do not use this appliance if any part has been under water Immediately call a qualified service technician to ins
38. een and Floor Assembly page 9 Note Discard the remaining hardware items Awarnine Never attempt to service heater while it is plugged in operat ing or hot Burns and electrical shock could result Only a qualified service person should service or repair heater If any of the original wire as supplied with the appliance must be replaced it must be After assembly make sure all wires are com replaced with 105 C wire or it s equivalent pletely clear of blower wheel AR WARNING Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper 13 Install logs see Installing Logs page 24 and operation after servicing fireplace screen see Installing Screen page E 25 X INS S tons S amp S o X SS ES Ex X XN 120 Vac 60Hz 78 Amps ESS Ny DESA Heating Products Bowling Green KY 101584 05 o Figure 17 Location of Wiring Diagram Decal 3 from Blower Operating the Blower Light your gas appliance with the blower off After about 15 minutes turn the blower on to deliver E heated air at the top louvers The blower features o a variable control which allows you to select the S speed you desire Note Periodically check the louvers of the firebox and remove any dust dirt Right Floor S won or other obstructions Support Bracket Bushing Figure 16 Installing Plastic Bushing for Pow
39. ength x Width x Height volume of space Example Space size 20 ft length x 18 ft width x 8 ft ceiling height 2880 cu ft volume of space cu ft 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 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maxi mum Btu Hr the space can support Example 2880 cu ft volume of space x 20 57 600 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Di rect vent draws combustion air from the outdoors and vents to the outdoors Example 40 000 Gas water heater Btu Hr Vent free fireplace 43390 Btu Hr Total 27300 Btu Hr 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 57 600 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maxi mum Btu Hr the space can support You must provide additional
40. eplace regulator 3 Residues from manufacturing 3 Problem will stop after a few processes and logs curing hours of operation Moisture condensation noticed 1 Notenough combustion ven 1 Refer to Air for Combustion on windows tilation air and Ventilation requirements page 6 Heater produces a whistlingnoise 1 Turning control knob to HI 1 Turn control knob to LO when burner is lit position when burner is cold position and let warm up for a minute 2 Air in gas line 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Air passageways on heater 3 Observe minimum installation blocked clearances see page 9 4 Dirty or partially clogged 4 Clean burner see Cleaning burner orifice and Maintenance page 29 or replace burner orifice When ignitor button is pressed 1 Ignitor electrode not con 1 Reconnect ignitor cable there is no spark at ODS pilot nected to ignitor cable manual ignition mode 2 Ignitor cable pinched or wet 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 3 Piezo ignitor nut is loose 3 Tighten nut holding piezo ignitor to base panel of log set Nut is located behind base panel 4 Broken ignitor cable 4 Replace ignitor cable 5 Bad piezo ignitor 5 Replace piezo ignitor 6 Ignitor electrode broken 6 Replace pilot assembly 7 Ignitor electrode positioned 7 Replace pilot assembly wrong When ignitor button is pressed 1 Gas supp
41. er Cord 14 www desatech com 111245 01B INSTALLATION Continued INSTALLING THERMOSTATIC BLOWER ACCESSORY NOTICE Shut off gas supply and disconnect heater from gas supply if installing blower in previously installed fireplace Contact a qualified service per son to do this 1 If fireplace screen and floor are still installed see Removing Fireplace Screen and Floor Assembly page 9 2 Using screw provided attach green ground wire from speed control cord to blower hous ing Tighten screw securely see Figure 18 3 Place the blower against lower rear wall of firebox outer wrapper with the exhaust port directed upward Align the holes in top mount ing tabs of blower with holes in wall of wrapper see Figure 19 Using two 7 8 screws provided mount blower and tighten screws firmly 4 Remove the three screws do not discard and cover plate from center of firebox wrapper rear wall Discard this cover plate see Figure 18 Thermostatic Switch and Cover Assembly Red Wire Green Wire Figure 18 Installing Switch and Cover Assembly and Speed Control Mount the supplied thermostatic switch and cover assembly into firebox wrapper wall Do this by feeding terminal ends of wire harness into the hole Allow wires to fall to bottom of firebox cavity see Figure 18 Using three screws from step 7 attach switch and cover assembly to firebox wrapper rear wall Tighten screws firmly
42. flame goes out when control knob is released manual ignition mode 1 2 3 aD Control knob not fully turned counterclockwise Control knob not held long enough Equipment shutoff valve not fully open Pilot flame not touching thermocouple which allows thermocouple to cool caus ing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged OD S pilot Thermocouple connection loose at control valve Thermocouple damaged Control valve damaged 1 Turn control knob fully coun terclockwise 2 After ODS pilot lights hold control knob for 30 seconds 3 Fully open equipment shutoff valve 4 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 29 or replace ODS pilot assembly 5 Hand tighten until snug then tighten 1 4 turn more 6 Replace pilot assembly 7 Replace control valve Fireplace produces a clicking ticking noise just after burners are lit or shut off 1 Metal expanding while heating or contracting while cooling 1 This is common with most fireplaces If noise is excessive contact qualified service person Fireplace produces unwanted odors i Fireplace burning vapors from paint hair spray glues cleaners chemicals new car pet etc see IMPORTANT statement above Gas leak See Warning statement above 1 Open wind
43. fresh air Your options are as follows A Rework worksheet adding the space of an adjoin ing 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 B Vent room directly to the outdoors See Ventila tion Air From Outdoors page 8 C Install a lower Btu Hr fireplace if lower Btu Hr size makes room unconfined Tf the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an un confined space You will need no additional fresh air ventilation AX WARNING If the area in which the fireplace may be oper ated 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 oneofthe methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 or applicable local codes VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un confined space When ventilating to an adjoining unconfined space you must provide two perma nent 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 3 You can also remove door into adjoining room see option 3 Figure 3 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion an
44. front leg of the left floor support bracket using 2 screws provided see Figure 15 Plug in blower power cord a If your fireplace system is installed as a freestanding unit with an accessory man tel determine whether the power cord will exit the left side or the right side of the fire box Install 1 plastic bushing provided into the 1 5 hole in the floor support bracket on the exit side see Figure 16 Install the second plastic bushing provided into the 1 5 holein the outer casing through which the power cord will exit Route power cord through both plastic bushings and plug the power cord into a properly grounded 3 prong wall receptacle near the firebox b If your fireplace system installation is recessed and if an outlet is not installed in your fireplace you must install the GA3555 Outlet kit with cover in your fireplace which will supply a convenient 3 prong grounded electrical outlet for your blower Refer to the installation manual provided with the model GA3555 accessory for instructions on wiring the duplex outlet Note A qualified installer must make all electrical connections Lower Rear Wall of Firebox Top Mounting Tab Figure 14 Mounting Blower to Firebox Left Floor Support Bracket M Control Control X Knob Shaft Figure 15 Attaching Speed Control to Firebox 111245 01B www desatech com 13 INSTALLATION A 7 Continued WARNING Failureto position the p
45. g type of gas used propane LP or natural gas purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product or Parts Central see page 43 If they can t supply original replacement part s call DESA Heating Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready model number of your fireplace the replacement part number ACCESSORIES Purchase these fireplace accessories from your local dealer or Parts Central see page 43 If they can not supply these accessories call DESA Heat ing Products at 1 866 672 6040 for information You can also write to the address listed on the back page of this manual EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe BLOWER ACCESSORIES GA3700 GA3750 amp GA3650T GA3700T SERIES For all models Manual variable control and au tomatic thermostat variable control A blower will increase air flow to maximize heat distribution DUPLEX OUTLET KIT GA3555 Not Shown For all models Use for built in installations when hard wiring your fireplace BRASS TRIM ACCESSORY GA7090 Not Shown For all models Optional with built in installation Provides a finished appearance covering rough and or unfinished mantel or wall opening edges etc Included with mantel accessory CLEANING KIT
46. g to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the equipment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Location page 17 Carefully set fireplace in front of rough opening with back of fireplace inside wall opening Attach flexible gas line to gas supply See Con necting Fireplace to Gas Supply page 18 Plug electrical cord s into electrical outlet installed in step 2 Carefully insert fireplace into rough opening Attach fireplace to wall studs using nails or wood screws through holes in nailing flange see Figure 36 Check all gas connections for leaks See Checking Gas Connections page 19 Install brass trim See Assembling and Attach ing Optional Brass Trim page 23 EJ TX 17 3 4 33 3515 gt Figure 34 Rough Opening for Installing in Wall 39 3 27 hs Figure 35 Rough Opening for Installing in Corner Nails or Wood Screws r De a v ZX v Nailing Flanges Figure 36 Attaching Fireplace to Wall Studs Mantel Clearances for Built In Installation If placing mantel above built in fireplace you must meet minimum clearance between mantel shelf and top of fireplace opening NOTICE Surface temperatures of adjacent walls and mantels become hot during ope
47. gh which the power cord will exit see Figures 21 and 22 Route power cord through plastic bushings and plug the power cord into a properly grounded three prong wall receptacle near the firebox b If your fireplace system installation is recessed and if an outlet is not installed in your fireplace you must install the GA3555 Outlet kit with cover in your fireplace which will supply a convenient 3 prong grounded electrical outlet for your blower Refer to the installation manual provided with the model GA3555 accessory for instructions on wiring the duplex outlet Note A qualified installer must make all electrical connections 13 Check to make sure that the power cord and all wires are completely clear of the blower wheel and that there are no other foreign objects in blower wheel AX CAUTION Never touch the blower wheel while in operation 14 Peel off backing paper and stick supplied wiring diagram decal near center of firebox bottom see Figure 23 15 If gas connections have been made and checked replace fireplace floor assembly in fireplace Feed flexible gas supply line into fireplace base area while replacing fireplace floor assembly Make sure the entire flexible gas line is in fireplace base area IMPORTANT Do not pick up fireplace floor assembly by burners This could damage burners Only handle base by grates Note Be careful of all wires and components on underside of floor assembly 16 www desatech co
48. ided to allow accessibility from the fireplace see Figure 26 page 19 The flexible gas supply line con nection to the equipment shutoff valve should be accessible 18 www desatech com 111245 01B 3 INSTALLATION Continued Attach the flexible gas line to gas supply see Figure 26 Check tightness of flexible gas line attached to gas regulator of fireplace see Figure 26 Check all gas connections for leaks See Checking Gas Connections Replace fireplace floor assembly Feed flexible gas line into fireplace base area while replacing fireplace floor assembly Make sure the entire flexible gas line is in fireplace base area Note Be careful of wires and components on underside of fireplace floor Reattach fireplace floor assembly with screws removed in step 3 of Removing Fireplace Screen and Floor Assembly page 9 To Fireplace Gas Regulator Flexible Gas Line from Fireplace Gas Regulator Equipment Shutoff Valve We Provided by From Gas Meter Installer Natural From External Regulator Propane LP Figure 26 Attaching Gas Lines Together Ay WARNING For propane LP units make sure external regula tor has been installed between propane LP supply and heater See guidelines under Installing Gas Piping to Fireplace Loca tion page 17 PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 3 5 kPa UN a Disconnect appliance with i
49. inding Align holes in wall plate with 1 8 pilot holes in mantel wall Drive mounting screws removed in step 2 of Relocating Wall Switch Assembly on page 10 through wall plate holes and into pilot holes in mantel wall Tighten screws until wall switch assembly is firmly attached to mantel Do not overtighten INSTALLING VARIABLE SPEED BLOWER ACCESSORY NOTICE Shut off gas supply and disconnectheaterfromgassupply ifinstalling blower into previously installedfireplace Contacta quali fied service person to do this If fireplace screen and floor are still installed see Removing Fireplace Screen and Floor Assembly page 9 Attach the power cord to the blower motor by firmly pushing the two female terminals at the end of the power cord onto the two spade terminals on the blower motor Attach green ground wire from power cord to blower housing using screw provided see Figure 14 Tighten screws securely Place the blower against lower rear wall of firebox outer wrapper with the exhaust port directed upward Align the holes in top mount ing tabs of blower with holes in wall of wrap per see Figure 14 Using 2 screws provided mount blower and tighten screws securely Be certain that all wire terminals are securely at tached to terminals on blower motor and that the screw retaining the green ground wire is tight Place control knob provided on plastic control shaft of speed control Mount the speed control on the
50. ing to light the pilot Note You will be able to hear a clicking sound during this process LED on wall switch will light 26 www desatech com 111245 01B OPERATING FIREPLACE Continued Note You may be running this heater for the first time after connecting to gas supply or at the start of your heating season If so the ON button may need to be pressed again This will allow air to bleed from gas system If several attempts to light pilot fail contact a qualified service person or gas supplier for repairs Until repairs are made light and operate manually see Manual Lighting Instructions for Electrical Power Outage 4 When pilot flame is lit the thermocouple is heated by the flame When thermocouple becomes hot 5 to 15 seconds main burner will automatically light on high flame 5 To lower flame point remote control toward lower front of fireplace and push HI LO button once Note This fireplace does not have a pilot only mode EH TO TURN OFF GAS TO APPLIANCE Shutting Off Heater Wall Switch Push ON OFF button on wall switch once Shutting Off Heater Wireless Remote Control Point remote control toward lower front of fire place and push both buttons at the same time MANUAL LIGHTING Because this fireplace has an electronic ignition system in the event there is a loss of power it will be necessary to manually light the pilot with the piezo ignitor After the pilot is li
51. ional or built in required Installing brass perimeter trim optional Installing fireplace hood required 10 Installing logs required 1 1 Installing fireplace screen required Use the following instructions to complete each step REMOVING FIREPLACE SCREEN AND FLOOR ASSEMBLY NOTICE Shutoff gas supply and disconnect heater from gas supply if installing blower into previously installed fireplace Contact a qualified service per son to do this 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 Iflogsare installed carefully remove the logs and set aside noting the properly mounted location of each 111245 01B www desatech com 9 INSTALLATION Continued 3 Remove screws that attach fireplace floor as sembly to fireplace Open lower louver door Carefully lift up fireplace floor assembly and remove from fireplace taking care to pull flexible gas line through the access holes see Figure 6 Note Be careful of all wires on underside of log base AX CAUTION Do not pick up fireplace floor assembly by burn ers This could damage burners Only handle base by grates Flexible Gas Line Screws Fireplace Floor Assembly Figure 6 Removing Fireplace Floor Assembly ELECTRICAL CONNECTIONS FOR POWER CORD
52. laced directly against wall or framing materials Use the dimensions shown for rough openings to create the easiest installation see Built In Fire place Installation page 21 IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing fire place in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation page 6 IMPORTANT Make sure the fireplace is level If fireplace is not level log set will not work properly CHECK GAS TYPE Use the correct gas type natural or propane LP for your unit If your gas supply is not correct do not install fireplace Call dealer where you bought fireplace for proper type fireplace 8 www desatech com 111245 01B INSTALLATION Continued AX WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted ELECTRICAL HOOKUP This fireplace normally operates under 120 VAC 60 Hz line voltage The electrical cord sup plied with your fireplace is five feet in length You must locate fireplace within reach of a 120 volt grounded electrical outlet If not you must install an electrical outlet within reach of the fireplace power cord The GA3555 outlet accessory may be used for built in applications INSTALLATION CLEARANCES AX WARNING Maintain the minimum clearances If you can provide greater clearances from floor ceiling and a
53. location Cut an access hole in hearth top to run flexible gas line to fireplace see Figure 30 Make sure to locate access hole so cabinet mantel will cover it when installed Nofe You can secure base to floor using wood screws Countersink screw heads and putty over Electrical Rigid Pipe Outlet Gas and Gas Line Hearth Shutoff Valve p Access Base 3 Hole e P i wo pd P d Figure 30 Placing Hearth Base Accessory Against Wall 20 www desatech com 111245 01B 10 INSTALLATION Continued Route flexible gas line through access hole in hearth base Center cabinet mantel on hearth base see Figure 31 Make sure mantel is flush against wall Break off nailing flanges see Figure 32 with hammer or pliers Place cardboard or other protective material on top of hearth base Carefully set fireplace on protective material with back of fireplace inside mantel opening Attach flexible gas line to fireplace gas regula tor See Connecting Fireplace to Gas Supply page 18 Route electrical cord s through access holes in either side of fireplace with bushing Plug electrical cord s into electrical outlet Cabinet pin m Nailing Flanges Figure 32 Location of Nailing Flanges 11 Carefully insert fireplace into cabinet mantel see Figure 33 Be careful not to scratch or damage hearth base cabinet mantel or any laminate trim on hearth base Remove pro
54. ly turned offorequip 1 Turn on gas supply or open there is spark at ODS pilot but no ment shutoff valve closed equipment shutoff valve ignition manual ignition mode 2 Control knob not in PILOT 2 Turn control knob to PILOT position position full counterclockwise 3 Air in gas lines when in 3 Continue holding control knob stalled in full counterclockwise posi tion Repeat igniting operation until air is removed 4 Depleted gas supply pro 4 Contact local propane LP gas pane LP only company 5 ODS pilot is clogged 5 Clean ODS pilot see Cleaning and Maintenance page 29 or replace ODS pilot assembly 6 Gas regulator setting is not 6 Replace gas regulator correct 111245 01B www desatech com 31 TROUBLESHOOTING building Continued A WARNING If you smell gas Shut off gas supply Do not try to light any appliance Do not touch any electrical switch do not use any phone in your Immediately call your gas supplier from a neighbor s phone Fol low 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 These odors will disappear over time POSSIBLE CAUSE OBSERVED PROBLEM REMEDY ODS pilot lights but
55. m X Right Floor SSS Support SX Bracket Plastic Bushing Figure 21 Installing Plastic Bushing for Power Cord Right Side Exit Shown Plastic Bushing Bushing Location for Bushing Recessed Installation Location for Freestanding Installation Figure 22 Installing Bushings Left Side Exit shown Wiring Diagram Ah WARNING Never attempt to service heater while it is plugged in operat ing or hot Burns and electrical shock could result Only a qualified service person should service or repair heater If any of the original wire as supplied with the appliance must be replaced it must be replaced with 105 C wire or it s equivalent AA WARNING Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing m os 120 Vac 60Hz 90Amps DESA Heating Products Bowling Green KY Figure 23 Location of Wiring Diagram Decal 3 from Blower 111245 01B INSTALLATION Continued 16 Reattach fireplace floor assembly with screws removed in step 3 of Removing Fire place Screen and Floor Assembly page 9 Note Discard the remaining hardware items After assembly make sure all wires are com pletely clear of blower wheel 17 Install logs see Installing Logs page 24 and fireplace screen see Installing Screen page 25 AX WARNING Failure to positio
56. n the parts in accordance with sup plied diagrams or failure to use only parts specifically approved with this heater may result in damage or personal injury AL WARNING A qualified service person must connect fireplace to gas supply Follow all local codes If any of the original wire as supplied with the appliance must be replaced it must be replaced with 105 C wire or it s equivalent Operating the Blower After final installation of your fireplace light your gas appliance with the blower off After about 15 minutes turn the blower on to deliver heated air at the top louvers The blower features a variable control which allows you to select the speed you desire In the OFF position the blower will not operate In the ON position the blower will start when the thermostat senses a sufficient increase in firebox temperature approximately 10 to 20 minutes depending on heat setting Your gas logs 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 It is safe to operate fireplace with blower turned off However the blower helps distribute heated air from the fireplace Note Periodically check the louvers of the firebox and remove any dust dirt or other obstructions INSTALLING GAS
57. nce of alcohol and those at high altitudes Natural and Propane LP Gas Natural and pro pane LP gases are odorless An odor making agent is added to the gas The odor helps you detect a gas leak However the odor added to the gas can fade Gas may be present even though no odor exists Make certain you read and understand all warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater AX WARNING Any change to this heater or its controls can be dangerous AX WARNING Do not use a blower insert heat exchanger insert or other accessory notap proved for use with this heater AX WARNING Do notallowfans to blow directly into the fireplace Avoidany drafts thatalter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting Due to high temperatures the appliance should be located out oftraffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects on the heater Fireplace front and screen be come very hot when running fire place Keep children and adults away from hot surface to avoid burns or clothing ignition Fire place will remain hot for a time after shutdown Allow surfaces to cool before touching Carefully supervise young chil dren when they are in the room wi
58. ng appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three fol lowing ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 6 through 8 will help you classify your space and provide adequate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with openings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of these three c
59. or with Vent Pointing Down We recommend that you install a sediment trap in supply line as shown in Figure 25 Locate sediment trap where it is within reach for cleaning Install in piping system between fuel supply and fireplace Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into fire place gas controls If sediment trap is not installed or is installed wrong fireplace may not run properly CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap Natural From Gas Meter 5 W C to 10 5 W C 3 Minimum li f Pressure Propane LP Pipe Cap Tee From External i Nipple Joint Regulator 11 W C to 14 Sediment Trap W C Pressure Figure 25 Gas Connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 40 CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed e 5 16 hex socket wrench or nut driver Phillips screwdriver sealant resistant to propane LP gas not provided 1 If fireplace screen and floor are still installed see Removing Fireplace Screen and Floor Assembly page 9 2 Route gas line provided by installer from equipment shutoff valve to fireplace Route flexible gas supply line through one of the access holes NOTICE Most building codes do not permit concealed gas connec tions Aflexible gas lineis prov
60. ow and ventilate room Stop using odor caus ing products while fireplace is running 2 Locate and correct all leaks see Checking Gas Connec tions page 19 Fireplace shuts off in use ODS operates 1 w N Not enough fresh air is available Low line pressure ODS pilot is partially clogged 1 Open window and or door for ventilation 2 Contact local gas company 3 Clean ODS pilot see Cleaning and Maintenance page 29 Gas odor even when wall switch and remote control buttons and switches are in OFF position 1 Gas leak See Warning statement above Control valve defective 1 Locate and correct all leaks see Checking Gas Connec tions page 19 2 Replace control valve 32 www desatech com 111245 01B TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Gas odor during combustion 1 Foreign matter between con trol valve and burner 1 Take apart gas tubing and remove foreign matter 2 Gas leak See Warning 2 Locate and correct all leaks statement on top of page 32 see Checking Gas Connec tions page 19 Dark residue on logs or inside 1 of fireplace Improper log placement l Properly locate logs see In stalling Logs page 24 Note After removing all causes 2 Drafts or other air currents 2 Eliminate source of drafts of residue deposits completely clean fireplace and appliances 3 of all residue before reusing
61. pect the appliance and to replace any part of the control system and any gas control which has been under water 111245 01B www desatech com 25 OPERATING FIREPLACE Continued NORMAL LIGHTING INSTRUCTIONS A WARNING You must oper ate this heater with the fireplace screen in place Make sure fire place screen is in place before running heater NOTICE During initial operation of new heater burning logs will give off a paper burning smell Open damper or window to vent smell This will only last a few hours STOP Read the safety information on page 25 Make sure equipment shutoff valve is fully open Wait five 5 minutes to clear out any gas Smell for gas around heater and near floor If you smell gas STOP Follow B on page 25 If you don t smell gas go to the next step A Using Supplied Wall Switch Assembly 1 Set manual ignition bypass switch on the control panel to the OFF position auto matic ignition position Press ON OFF button Hold for 6 seconds Gas valve will open and electronic ignition will begin sparking to light pilot LED will light Note You may be running this heater for the first time after connecting to gas sup ply or at the start of your heating season If so the ON OFF button may need to be pressed again This will allow air to bleed from gas system If several attempts to light pilot fail contact a qualified service person or gas supplier for repairs
62. place logs Replacelog s if broken or chipped dime sized or larger 111245 01B www desatech com 29 TROUBLESHOOTING A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When buttons on remote control are pressed there is no response from fireplace 1 Battery in remote control is ei ther missing or has low power 2 Remote control is not pointed toward fireplace 3 Manual ignition bypass switch not in OFF position 4 No power available to fireplace 5 Ignitor electrode not con nected to ignitor cable 6 Broken ignitor cable 7 Ignitor electrode broken 8 Ignitor electrode positioned wrong 1 2 Replace battery in remote control Point remote control toward lower front panel of fireplace when operating Place manual ignition bypass switch in OFF position Make sure power cord is plugged into electrical outlet and outlet has power Reconnect ignitor cable Replace ignitor cable Replace pilot assembly Replace pilot assembly When wall switch button is pressed there is no response from fireplace 1 No power available to fireplace 2 Manual ignition bypass
63. r will shut off after the firebox temperature decreases Note It is safe to operate fireplace with blower turned off However the blower helps distribute heated air from the fireplace Follow installation instructions included with the blower accessory INSPECTING BURNERS Check pilot flame pattern and burner flame pat terns often PILOT FLAME PATTERN Figure 51 shows a correct pilot flame pattern Figure 52 shows an incorrect pilot flame pattern The incorrect pilot flame is not properly heating the thermocouple When the thermocouple cools the heater will shut down If pilot flame pattern is incorrect as shown in Figure 52 turn heater off see To Turn Off Gas to Appli ance page 27 or 28 depending on situation see Troubleshooting page 30 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Pilot Burner Thermocouple Figure 51 Correct Pilot Flame Pattern Natural Gas Pilot Assembly Shown Pilot Burner Thermocouple Figure 52 Incorrect Pilot Flame Pattern Natural Gas Pilot Assembly Shown MAIN BURNER Periodically inspect all burner flame holes with the heater running All slotted burner flame holes should be open with flame present All round burner flame holes should be open with a small blue flame present Some burner flame holes may become blocked by debris or rust with no flame present If so
64. ration Walls and mantels above the firebox may become hot to the touch If installed properly these temperatures meet the requirement of the national product standard Follow all minimum clearances shown in this manual NOTICE If yourinstallation does not meet the minimum clear ances shown you must do one of the following raise the mantel shelf to an acceptable height remove the mantel shelf 22 www desatech com 111245 01B INSTALLATION Continued Wall board or facing Mantel Shelf material above 10 firebox may be of combustible materia V 8 including decorative y mantel ornaments or other similar projec tions off of the facing material Framing Material Noncombustible Material May Project Off this Surface above the Firebox Hood Firebox 13 16 19 21 Note All vertical measurements are from top of fireplace hood opening to bottom of mantel shelf These minimum clearances replace any other recommended clearances supplied with your ANSI Z21 11 2 approved gas logs Wire mesh Screen Supplied Firebox Hood Must Be Used at All Times Figure 37 Minimum Mantel Clearances for Built In Installation ASSEMBLING AND ATTACHING OPTIONAL BRASS TRIM Included with Mantel Accessory Note The instructions below show assembling and attaching brass trim to fireplace 1 Remove packaging from three pieces of
65. rd these screws Lift fireplace screen up and pull out to remove 3 Remove protective packaging applied to logs log base assembly and fireplace Remove fireplace hood from carton insert 5 Check all items for any shipping damage If damaged promptly inform dealer where you bought fireplace PRODUCT FEATURES OPERATION This vent free fireplace is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by both realistic flames and glowing embers When used without the optional blower the fireplace requires no electricity making it ideal for emergency backup heat SAFETY DEVICE This fireplace has a pilot with an Oxygen Depletion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heat ers The ODS pilot system shuts off the fireplace if there is not enough fresh air PIEZO IGNITION SYSTEM This fireplace has a piezo ignitor This system requires no matches batteries or other sources to light fireplace WIRELESS REMOTE CONTROL This fireplace features an infrared wireless remote control This control system can be used to auto matically light the pilot and adjust the burner flame height at the push of a button WIRED WALL MOUNTED REMOTE CONTROL This fireplace features a two button wall switch as sembly with glowing LED s The wall switch per forms the same functions as the wireless hand held remote control with th
66. riteria you must provide additional fresh air See Ventilation Air From Outdoors page 8 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Fireplace Location Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms com municating directly with the space in which the appliances are installed 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 ventilation grills between them DETERMINING FRESH AIR FLOW FOR FIREPLACE 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 fireplace plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 6 www desatech com 111245 01B AIR FOR COMBUSTION AND VENTILATION Continued 1 Determine the volume of the space length x width x height L
67. switch not in OFF position 3 Wall switch wire harness is disconnected Make sure power cord is plugged into an electrical outlet and outlet has power Place manual ignition bypass switch in OFF position Check continuity of wall switch wire harness Make sure plug on wall switch wire harness is fully inserted into socket on circuit board in fire place Replace if necessary Burner does not light after ODS pilot is lit 1 Burner orifice clogged 2 Inlet gas pressure is too low Clean burner see Cleaning and Maintenance page 29 or replace burner orifice Contact local gas company Delayed ignition burner 1 Manifold pressure is too low 2 Burner orifice clogged Contact local natural or pro pane LP gas company Clean burner see Cleaning and Maintenance page 29 or replace burner orifice Burner backfiring during com bustion 1 Burner orifice is clogged or damaged 2 Damaged burner 3 Gas regulator defective Clean burner see Cleaning and Maintenance page 29 or replace burner orifice Replace damaged burner Replace regulator 30 www desatech com 111245 01B TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Slight smoke orodorduringinitial 1 Not enough air 1 Check burner for dirt and operation debris If found clean burner see Cleaning and Mainte nance page 29 2 Gas regulator defective 2 R
68. t the main burner will light automatically 1 Follow steps 1 through 3 under Normal Lighting Instructions page 26 2 Set manual ignition bypass switch on con trol panel to ON position manual ignition position See Figure 50 3 Thepilot is attached to the rear of the front burner You will be able to see the pilot and spark electrode without removing the screen or logs 4 Placethe magnetic manual override handle provided with this unit on the end of the gas valve stem see Figure 50 5 Turn the override handle fully counter clockwise to the PILOT position The handle will not stop but will begin to slip when you have fully turned to the PILOT position 6 While holding the valve handle in the PILOT position press and release piezo ignitor button see Figure 50 This will light the pilot If needed keep pressing ignitor button until pilot lights 7 When pilot flame is lit hold manual over ride handle until thermocouple heats ap proximately 5 to 15 seconds If pilot goes out repeat process If several attempts to light the pilot fail contact a qualified service person or gas supplier for repairs INSTRUCTIONS FOR 8 When thermocouple is heated release override handle The main burner will im ELECTRICAL POWER mediately light on high flame Adjust flame OUTAGE size by turning override handle M Igniti A WARNING You must oper oe pipes itch H H H alve i ate this heater with the fireplace Piezo
69. ter ready You can also visit DESA Heating Products techni cal service web site at www desatech com 111245 01B www desatech com 33 ILLUSTRATED PARTS BREAKDOWN REMOTE CONTROL LOG BASE ASSEMBLY MODELS CGEFP33PRB AND CGEFP33NRB CGEFP33PRB SHOWN 111245 01B www desatech com 34 PART NUMBER NO CGEFP33PRB CGEFP33NRB DESCRIPTION PARTS LIST REMOTE CONTROL LOG BASE ASSEMBLY This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under cdi Parts on page 40 of this manual 111625 04 111625 03 111625 02 111625 06 111625 08 104286 02 098249 01 099387 05 101973 02 107572 04 111124 01 099056 19 102772 01 M10908 2 x 107573 01 107559 02 102445 01 102334 01 107562 01 107685 01 101628 03 098544 01 099415 18 097809 03 107687 01 103904 02 100694 01 107560 01 107563 01 107558 01 102349 02 107561 01 107564 01 107565 01 107565 02 107566 01 098271 08 107568 01 104015 01 101629 01 098303 02 107743 01 107847 01 103977 02 103977 01 19724000 901056 01 107736 01 107737 01 111625 04 111625 03 111625 02 111625 06 111625 08 104285 02 098249 01 099387 05 111331 17 107572 04 111124 01 099056 26 102772 01 M10908 2 107573 01 107559 01 102445 01 102334 01 107562 01 107685 01 101628 03 098544 01 099415 12 097809 03 107687 01 103904 02 100694 01 107560 01 107563 01 107558 01 102349 02 10
70. th heater Whenusing the hand held remote accessory keep se lector switch in the OFF position to prevent children from turning on burners with remote You must operate this fireplace with the fireplace screen and hood in place Make sure fire place screen and hood are in place before running heater Keep the appliance area clear and free from combustible ma terials gasoline and other flam mable vapors and liquids 111245 01B www desatech com SAFETY INFORMATION Continued 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 Do not place propane LP supply tank s in side any structure Locate propane LP supply tank s outdoors propane LP units only 3 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 e if you cannot reach your gas supplier call the fire department 4 This fireplace shall not be installed in a bed room or bathroom 5 Do not use this fireplace as a wood burning fireplace Use only the logs provided with the fireplace 6 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 Ro
71. ting holes on bottom of log 4 onto pin on front and middle logs as shown in Figure 44 Place right crossover log 5 in the same manner on right side of logs see Figure 44 page 25 Burner Burner Figure 41 Installing Back Log 1 CGEFP Logs Shown Middle Log 3 Cutout Figure 42 Installing Middle Log 2 CGEFP Logs Shown Front Log 3 Grate Fingers Figure 43 Installing Front Log 3 CGEFP Logs Shown 24 www desatech com 111245 01B INSTALLATION Continued Crossover Crossover Log 4 Log 5 Figure 44 Installing Crossover Logs 4 amp 5 CGEFP Logs Shown INSTALLING BATTERY INTO REMOTE 1 Locate slot at bottom of remote control see Figure 45 Firmly insert tool such as a small screwdriver butter knife or dime into the slot and lift up to remove cover 2 Insert supplied battery into remote control Positive and negative are marked inside re mote control casing Note Remote will not function if battery is not installed correctly 3 Slide tab on cover into remote housing and snap cover back into place IMPORTANT Use only A23 12 volt battery in remote DO NOT use AAA battery Slot Tab 7 Cover A23 12 dl Volt Battery Positive A Negative Control Figure 45 Installing Battery INSTALLING SCREEN Install fireplace screen by slipping notches of fireplace screen over screws on front of fireplace see Figure 46 Screws for Mounting Scr
72. ts appliance main gas valve control valve and equipment shutoff valve from gas supply piping system Pressures in excess of 1 2 psig will damage fireplace gas regulator Cap off open end of gas pipe where equipment shutoff valve was connected Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Reconnect fireplace and equipment shutoff valve to gas supply Check reconnected fittings for leaks CHECKING GAS CONNECTIONS Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa WARNING Testall gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once AX WARNING Never use an open flame to check for a leak Apply anoncorrosive leak detec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once 1 2 4 Equipment Shutoff Valve Close equipment shutoff valve see Figure 27 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air Check all joints from gas meter for natural
73. turn off heater and let cool Remove blockage blocked burner flame holes may create soot 28 www desatech com 111245 01B CLEANING AND MAINTENANCE AR WARNING Turn off fireplace and let cool before cleaning A CAUTION You must keep control areas burners and circulating air passageways of fireplace clean Inspect these areas of fireplace before each use Have fireplace inspected yearly by a qualified service person Fireplace may need more frequent cleaning due to excessive lint from carpeting bedding material pet hair etc BURNER INJECTOR HOLDER 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 lint and pet hair Clean these air inlet holes prior to each heating season Blocked air holes will create soot We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed airin a can You can use a vacuum cleaner in the blow position If using compressed air in a can please follow the directions on the can If you don t follow directions on the can you could damage the pilot

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