Desa LMFP33NR(B) User's Manual
Contents
1. Carefully supervise young chil dren when they are in the room with fireplace When using the optional hand held remote ac cessory keep selector switch in the OFF position to prevent children from turning on burners with remote 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 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 AX WARNING Any change to this heater or its controls can be dangerous Keep the appliance area clear and free from combustible ma terials gasoline and other flam mable vapors and liquids R WARNING Do not allow fans to blow directly into the fireplace Avoid any drafts that alter burner flame patterns Ceiling fans can 1 create drafts that alter burner flame patterns Altered burner patterns can cause sooting 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 Donot place propane LP supply tank s inside any structure Loca2. Figure 5 Installing Hood to Firebox ASSEMBLING AND ATTACHING OPTIONAL TRIM IMPORTANT If you are recessing the firebox in a wall do not attach trim at this time See page 11 Note The instructions below show assembling and attaching trim to fireplace i 2 Kausi Set Screws jJusting 4 Top Tri Side Trim Plate 7 E rim Z a SS Remove packaging from three pieces of trim Locate four brass screws two adjusting plates with set screws and two shims in the hardware packet Align shim under adjusting plate as shown in Figure 6 Slide one end of adjusting plate shim in slot on mitered edge of top trim see Figure 6 Slide other end of adjusting plate shim in slot on mitered edge of side trim see Figure 6 While firmly holding edges of trim together tighten both set screws on the adjusting plate with slotted screwdriver Repeat steps 1 through 6 for other side 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 7 Push trim firmly into place sliding hanging notches over hanging screws gt Q OS S Mitered Shim Slot Edge Slot Figure 6 Assembling Trim Trim Hanging Screws Hanging Notches on Trim Assembled Trim Figure 7 Attaching Trim to Fireplace INSTALLATION CLEARANCES A WARNING Maintain the minim
3. INSTALLATION Continued 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 of water If you do not reduce incoming gas pres sure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 18 Pointing the vent down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of 1 2 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 19 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 res
4. LIMITED WARRANTY VENT FREE GAS FIREPLACE DESA Heating Products warrants this product to be free from defects in materials and components for two 2 years from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating Products Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA Heating Products who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW
5. On Off Up and Down Keys Moves Button Placement from Top to Bottom on LCD Display Figure 34 Remote Control Setting Room Temperature Press the up or down key until the small triangle is to the left of the thermometer icon see Figure 34 Press the left or right key to set the desired room temperature Setting Timer Sleep Function Press the up or down key until the small triangle is to the left of the clock icon see Figure 34 Press the left or right key to set the desired sleep time Maximum sleep time is 90 minutes in 15 minute increments When desired time is set press the up or down key to start the timer When the desired time has elapsed the appli ance will automatically switch off Child Safety Lock Out To lock the remote control keys press the On Off key then immediately press the up key see Figure 38 The lock out function is active when the lock icon is lit Repeat key sequence to unlock keys Low Battery Detection and Backup A battery icon will be displayed on the LCD display when batteries are low in the remote control see Figure 34 When the receiver detects a low battery condition Three acoustic beeps are generated from the receiver e Appliance is turned off and will go to the maximum flame height Execution of commands is inhibited until batteries are replaced When batteries are low it is not possible to turn on the appliance with the remote control Appliance ca
6. please follow the directions on the can If you don t follow directions on the can y 1 ou could damage the pilot assembly Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes Inspect burner pilot and primary air inlet holes on injector holder for dust and dirt see Figures 39 and 40 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 Incase any large clumps of dust have now been pushed into the burner repeat steps 3 and 4 Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot 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 40 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 Burner Tube xN Primary Air Inlet Holes Shape of Holes May Vary by Model Injector Holder May Be Brass or Aluminum Depending on Model Figure 39 Injector Holder On Outlet Burner Tube Ports Slots Pilot Assembly Pilot Air Inlet Hole Figure 40 Pilot Inlet Air Hole LOGS e Ifyou remove logs for cleaning r
7. ad ditional fresh air Your options are as follows Example 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 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 Ay WARNING If the area in which the heater 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 one of the methods described in the National Fuel Gas Code ANSIZ223 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 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 NF PA 54 Section 5 3 Ai
8. length x 16 ft width x 8 ft ceiling height 2 560 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 2 560 cu ft volume of space x 20 51 200 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free fireplace Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Do not include direct vent gas appliances Di rect vent draws combustion air from the outdoors and vents to the outdoors 6 www desatech com 119526 01A AIR FOR COMBUSTION AND VENTILATION Continued Example Gas water heater 40 000 Btu Hr Vent free fireplace _33 000 _ Btu Hr Total _73 000_ Btu Hr 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used 51 200 Btu Hr maximum the space can support 73 000 Btu Hr actual amount of Btu Hr used The space in the example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide
9. logs curing hours of operation Heater producesa whistling noise 1 Not enough combustion ven 1 Refer to Air for Combustion when burners are lit tilation air and Ventilation requirements page 5 1 Turning controlknobto HI po 1 Turn control knob to LO sition when burners are cold position and let warm up for a minute 2 Air in gas line 2 Operate burners 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 burners see Cleaning burner orifice s and Maintenance page 23 or replace burner orifice s White powder residue forming 1 When heated vapors from 1 Turn heater off when using within burner box or on adjacent furniture polish wax carpet furniture polish wax carpet walls or furniture cleaners etc may turn into cleaners or similar products white powder residue Remote does not function 1 Battery is not installed Bat 1 Replace 9 volt batteries in tery power is low receiver and remote control Fireplace produces a clicking 1 Metal expanding while heating 1 This is normal with most heat ticking noise just after burner is lit or shut off or contracting while cooling ers Ifnoise is excessive contact qualified service person 26 www desatech com 119526 01A TROUBLESHOOTING Continued A WARNING If you smell gas e Shut off g
10. place for shipping These screws are located near top of screen Discard screws Lift fire place screen up and pull out to remove Open lower louver door Carefully pull straight out on the wire harnesses attached to right side and front of remote receiver module see Figure 20 Remove screws that attach log base assembly to fireplace see Figure 20 Carefully lift up log base assembly and remove from fireplace see Figure 20 Note If adding the G8000A series brick liner accessory install it now Follow instructions in G8000A accessory kit Ay CAUTION Do not pick up log base assembly by burner This could damage burner Only handle base by grates Replace log base assembly back into fireplace Feed flexible gas line into fireplace base area while replacing log base assembly Make sure the entire flexible gas line is in fireplace base area Reattach log base assembly to fireplace with screws removed in step 2 Flexible Gas Line Unplug From Remote Remote Receiver Receiver Module Module Figure 20 Removing Log Base 4 Route gas line provided by installer from equipment shutoff valve to fireplace Route flexible gas supply line through one of the access holes Assembly From Fireplace To Fireplace Gas Regulator Equipment Shutoff Valve Provided by Installer NOTICE Most building codes do not permit concealed gas connections A flexible gas line is provided to allow accessib
11. recess of the middle log 1 see Figure 28 WARNING You must operate this fireplace with the fireplace screen in place Make sure fire place screen is in place before running fireplace Front Log Figure 27 Installing Front Log 3 Base may very from illustration Crossover Log 4 Figure 28 Installing Crossover Log 4 Base may very from illustration INSTALLING BATTERIES FOR REMOTE RECEIVER AND HAND HELD REMOTE CONTROL Four AA batteries and three AAA batteries are required to operate this heater with the wireless hand held remote control set Four AA batteries must be installed in the receiver and three AAA batteries in the hand held remote control unit Note Only use alkaline batteries Installing Batteries in Receiver 1 Locate slot on battery cover of receiver see Figure 29 Firmly insert tool such as a small screwdriver butter knife or dime into the slot and lift up to remove cover 2 Insert 4 AA batteries into receiver Positive and negative are marked inside receiver casing Note Receiver will not function if batteries are not installed correctly 3 Slide tab on cover into receiver housing and snap cover back into place 4 AA Batteries Slot Cover Battery Housing Receiver Backup Switch Figure 29 Installing Batteries in Receiver Installing Battery into Remote 1 Remove remote cover see Figure 30 2 Insert 3 AAA batteries into remote c
12. turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture This fireplace needs fresh air ventilation to run properly This fireplace has an Oxygen Deple tion Sensing ODS safety shutoff system The ODS shuts down the fireplace if enough fresh air is not available See Air for Combustion and Ventilation page 5 If fireplace keeps shutting off see Troubleshooting page 25 Do not run fireplace e where flammable liquids or vapors are used or stored e under dusty conditions Do not use this fireplace to cook food or burn paper or other objects Do not use 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 Do not operate fireplace if any log is broken Do not operate fireplace if a log is chipped dime sized or larger Turn fireplace off and let cool before servic ing Only a qualified service person should service and repair fireplace Operating fireplace above elevations of 4 500 feet could cause pilot outage To prevent performance problems in propane LP units do not use propane LP fuel tanks of less than 100 lbs capacity propane LP units only Provide adequate clearances around air openings PRODUCT IDENTIFICATION 4 Piece Log Set A Models shown Contr
13. wall Tf installing a mantel above the fireplace you must follow the clearances shown in Figure 18 page 13 Follow the instructions below to install the fireplace in this manner Actual Framing Height 32 8 33 Front Width 34 9 16 35 1 8 Depth 16 1 6 17 3 4 A WARNING A qualified electri cianmustconnectelectrical wiring to duplex outlet for built in instal lation Follow all local codes 1 Frame in rough opening Use dimensions shown in Figure 12 for the rough opening If installing in a corner use dimensions shown in Figure 13 for the rough opening The height is 33 which is the same as the wall opening above N DA 17 MA 33 35 te gt Figure 12 Rough Opening for Installing in Wall 27 Is 55 5 gt lt Figure 13 Rough Opening for Installing in Corner 2 If using blower install duplex outlet to the right support bracket in the bottom of firebox see Figure 14 See Accessories page 29 If not using blower go to step 7 3 Route wires from electrical box through smallest hole in outer casing using strain relief fitting provided see Figure 14 4 Connect wires from the electrical box to duplex outlet Match wire colors to those indicated on duplex outlet Be sure to connect ground wire 5 Install shield to end of right support bracket and behind the firebox wrapper with 2 screws pr
14. 1 11 2 approved gas logs Figure 17 Minimum Mantel Clearances for Built In Installation INSTALLING GAS PIPING TO FIREPLACE LOCATION R WARNING Never connect AX WARNING This appliance requires a 1 2 NPT National Pipe Thread inlet connection to the pressure regulator natural gas fireplace to private non utility gas wells This gas is commonly known as wellhead gas WARNING A qualified service person must connect fireplace to gas supply Follow all local codes Installation Items Needed Before installing fireplace make sure you have the items listed below e external regulator for propane LP unit only supplied by installer piping check local codes CAUTION Never connect pro pane LP fireplace directly to the propane LP supply This fireplace requires an external regulator notsupplied Install the external regulator between the fireplace and propane LP supply sealant resistant to propane LP gas equipment shutoff valve test gauge connection sediment trap optional tee joint pipe wrench approved flexible gas line with gas connector if 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 29 119526 01A www desatech com
15. 11084 38 104236 01CK M12461 26 Firebox Bottom M50104 02 098265 02 103782 01 111440 04 111440 03 098271 10 102445 01 098304 01 111442 02 111441 02 104241 01 097809 02 101628 03 M11084 26 901063 01 099918 02 099387 07 eee PARTS AVAILABLE NOT SHOWN me 097555 01 Caution Decal PART NO DESCRIPTION Middle Log Rear Log Front Log Right Crossover Log ODS Pilot ODS Pilot ODS Nut Pilot Tube Pilot Tube Burner Outlet Tube Burner Outlet Tube e Burner Retainer Spring Burner Orifice Injector Burner Orifice Injector Burner Screw 8 16 x 38 Painted Base Assembly Screw 10 32 x 38 Bushing Elbow Male Valve Bracket Gas Valve Remote Gas Valve Remote Ignitor Cable Piezo Ignitor Screw Digital Display Remote Control Proflame Receiver Remote Switch Bracket Male Connector Flexible Connector Hose Screw 10 16 x 38 3 8 Flare x 1 2 NPT Pilot Regulator Pilot Tube Not a field replaceable part BO PE m Ee ES NH F 5 59 9 gt a Y a gt a gt gt ee ee 1 119526 01A www desatech com 31 ILLUSTRATED PARTS BREAKDOWN FIREBOX LMFP33PRB AND LMFP33NRB 119526 01A www desatech com 32 PARTS LIST FIREBOX LMFP33PRB AND LMFP33NRB This list contains replaceable parts used in your fireplace When ordering parts follow the instructio
16. ARY AIR HOLES Air is drawn into the burner through the holes in the fitting at the burner entrance These holes may become blocked with dust or lint Periodically inspect these holes for any blockage and clean if needed Blocked air holes will create soot MAIN BURNER Periodically inspect all burner flame holes with the fireplace running All slotted burner flame holes should be open with yellow 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 turn off fireplace and let cool Remove blockage Blocked burner flame holes will create soot BURNER FLAME PATTERN Awarnine If yellow tipping occurs your fireplace could produce increased levels of carbon monoxide NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles enter the fireplace and burn causing brief patches of orange flame Figure 37 shows a correct burner flame pattern Fig ure 38 shows an incorrect burner flame pattern The incorrect burner flame pattern shows the flame higher consistently higher than inch above the logs If burner flame pattern is incorrect as shown in Figure 38 turn heater off see To Turn Off Gas To Appli ance page 20 e see Troubleshooting page 24 Figure 37 Correct Burner Flame Pattern Yellow Tipping Figure 38 Incorrect Burner Fla
17. ATER Continued 1 STOP Read the safety information on page 19 2 Make sure equipment shutoff valve is fully open 3 Set remote selector switch in the AUTO position see Figure 31 4 Press in and turn control knob clockwise NX to the OFF position see Figure 31 5 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information on page 20 If you don t smell gas go to the next step 6 Press in and turn control knob counter clockwise gt to the PILOT position Press in control knob for five 5 seconds see Figure 34 Note You may be running this heater for the first time after hooking up to gas sup ply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system 7 With control knob pressed in press and release ignitor button This will light pilot The pilot is attached to the rear of the front burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob e If control knob does not pop out when released contact a qualified service perso
18. DESA HEATING PRODUCTS UNVENTED VENT FREE GAS FIREPLACE OWNER S OPERATION AND INSTALLATION MANUAL E Nay a Wy Q m i g National Fireplace Institute e Vep ase Gua www nficertified org gt We recommend that our A products be installed and g 3 serviced by professionals who 13 are certified in the U S by NFI Shown with optional cabinet mantel and hearth base accessories LMFP33NR B AND LMFP33PR B REMOTE CONTROL GAS FIREPLACE SYSTEMS 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 not touch any electrical switch do not use any phone in your building Immediately call your gas supplierfromaneighbor 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 INSTALLER Leave this manual with the appliance CONSUMER Retain this manual for future reference For more information visit www desatech com CONTENTS Safe
19. Equipment Shutoff Valve Oy Propane LP o Supply Tank Gas Control Valve Figure 24 Checking Gas Joints for Propane LP Gas www desatech com 119526 01A INSTALLATION Continued Pressure Testing Fireplace Gas Connections 1 Open equipment shutoff valve see Figure 22 page 16 Open main gas valve located on or near gas meter for natural gas or open propane LP supply tank valve Make sure control knob of fireplace is in the OFF position Check all joints from equipment shutoff valve to gas control valve see Figures 23 or 24 page 16 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Light fireplace see Operating Fireplace page 19 Check all other internal joints for leaks Turn off fireplace see To Turn Off Gas to Appliance page 21 INSTALLING LOGS A CAUTION Do not remove the data plates attached to the heater base assembly The data plates contain important warranty and safety information A WARNING Failure to posi tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury AX WARNING After installa tion and periodically thereafter check to
20. OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUD ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO 2 YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING PRODUCTS LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state For information about this warranty write DESA HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com Rev A 119526 01 NOT A UPC oe
21. as supply e Do not try to light any appliance building low the gas supplier s instructions e Do not touch any electrical switch do not use any phone in your e Immediately call your gas supplier from a neighbor s phone Fol e If you cannot reach your gas supplier call the fire department IMPORTANT Operating fireplace where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors These odors will disappear over time REMEDY OBSERVED PROBLEM POSSIBLE CAUSE Fireplace produces unwanted 1 Heater burning vapors from odors paint hair spray glues clean ers chemicals new carpet etc See IMPORTANT state ment above 2 Low fuel supply propane LP only 3 Gas leak See Warning statement above 1 Open window to ventilate room Stop using odor caus ing products while heater is running Refill supply tank propane LP only Locate and correct all leaks see Checking Gas Connec tions page 16 Fireplace shuts off in use ODS 1 Not enough fresh air is avail operates able 2 Low line pressure 3 ODS pilot is partially clogged Open window and or door for ventilation Contact local natural or pro pane LP gas company Clean ODS pilot see Cleaning and Maintenance page 24 Gasodorevenwhencontrolkn
22. bly 7 Control valve damaged 7 Replace control valve Burner does not light after ODS 1 Inlet gas pressure is too low 1 Contact local natural or pro pilot is lit pane LP gas company 2 Burner orifice s clogged 2 Clean burner s see Cleaning and Maintenance page 23 or replace burner orifice s 3 Thermopile leads disconnect 3 Reconnect leads see Wiring ed or improperly connected Diagram page 28 4 Burner will not come on in 4 Replace battery in transmitter remote position and receiver Delayed ignition of one or both 1 Manifold pressure is too low 1 Contact local natural or pro burners pane LP gas company 2 Burner orifice s clogged 2 Clean burner s see Cleaning and Maintenance page 23 or replace burner orifice s Burner backfiring during com 1 Burner orifice is clogged or 1 Clean burner see Cleaning bustion damaged and Maintenance page 23 or replace burner orifice s 2 Damaged burner 2 Replace damaged burner 3 Gas regulator defective 3 Replace gas regulator 119526 01A www desatech com 25 TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Slight smoke orodor duringinitial 1 Not enough air 1 Check burner for dirt and operation debris If found clean burner see Cleaning and Mainte Moisture condensation noticed nance page 23 on windows 2 Gas regulator defective 2 Replace gas control 3 Residues from manufacturing 3 Problem will stop after a few processes and
23. cal Outlet Gas Line Base Rigid Gas Line Access SERA T Figure 9 Placing Hearth Base Accessory Against Wall 10 11 12 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 from fireplace gas regulator to gas supply See Connecting Fireplace to Gas Supply page 15 If blower is installed route blower electrical cord through access holes in either side of fireplace Note Bushing may be moved if necessary Plug electrical cord into electrical outlet Carefully insert fireplace into cabinet mantel Be careful not to scratch or damage hearth base or cabinet mantel Remove protective material from top of hearth base and from front of fire place 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 Check all gas connections for leaks See Checking Gas Connections page 16 Nailing Flanges Figure 11 Location of Nailing Flanges 10 www desatech com 119526 01A INSTALLATION Continued 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
24. e 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 corners of the fireplace screen Remove and discard 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 When used without the blower the fireplace requires no electricity making it ideal for emergency backup heat This heater is designed for vent free operation It has been tested and ap proved to ANSI Z21 11 2 standard for unvented heaters State and local codes in some areas pro hibit the use of vent free heaters 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 o
25. e three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 7 If your home does not meet all of the three criteria above proceed to Determining Fresh Air Flow For Heater Location Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose vol ume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are 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 pas sageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height volume of space Example Space size 20 ft
26. efer to Install ing Logs page 17 to properly replace logs e Replace log s if broken or chipped dime sized or larger 1 19526 01A www desatech com 23 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 ignitor button is pressed 1 there is no spark at ODS pilot Ignitor electrode not con nected to ignitor cable Ignitor cable pinched or wet Piezo ignitor nut is loose Broken ignitor cable Bad piezo ignitor Ignitor electrode positioned wrong Ignitor electrode broken 1 2 3 Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Tighten nut holding piezo ig nitor to base panel of log set Nut is located behind base panel Replace ignitor cable Replace piezo ignitor Replace pilot assembly Replace pilot assembly When ignitor button is pressed 1 there is spark at ODS pilot but Gas supply turned off or equip ment shutoff valve closed Turn on gas supply or open equipment shutoff valve no ignition 2 Control knob not in PILOT 2 Turn control knob to PILOT position po
27. ensure that no flame comes in contact with any log With the heater set to High check to see if flame contact any log If so reposition logs according to the log installation instructions in this manual Flames contact ing logs will create soot Each log is marked with a number These numbers will help you identify the log when installing It is very important to install these logs exactly as instructed Do not modify logs Only use logs supplied with heater 1 Burner Place the base of the middle log 1 in the U shaped slots of the grate base The cutout on the right of the middle log should fit over the burner see Figure 25 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 pegs on the bottom of back log 2 Slide these pegs into the holes in the grate base behind the burner see Figure 26 Locate the notches in the bottom of the front log 3 Place the front log on the grate fin gers Make sure the notches of the front log line up with the grate fingers see Figure 27 page 18 Middle Log 1 Figure 25 Installing Middle Log 1 Base may very from illustration Back Log 2 Figure 26 Installing Back Log 2 Base may very from illustration 119526 01A www desatech com 17 INSTALLATION Continued 4 Place crossover log 4 onto the pin right on back log 2 and into the
28. f fireplace e You must operate this heater with a fireplace screen in place Make sure fireplace screen is closed before run ning heater NOTICE During initial operation of new heater burning logs will give off a paper burning smell Orange flame will also be pres ent Open damper or window to vent smell This will only last a few hours Note Home owners generally prefer to operate their heater with the chimney damper closed This will put all the heat into the room How ever there may be times you will desire the full flames of the highest heat setting but will find the heat output excessive You can open the chimney damper if you have one fully or partially to release some of the heat gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service tech nician or gas supplier Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified ser vice technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water Ay WARNING Damper handle will be hot if heater has been running A WARNING Burners will come on automatically within one minute when the control valve is in the ON position after the pilot is lit 119526 01A www desatech com 19 OPERATING HE
29. for natural gas or using compressed air Check all joints from gas meter to equipment shutoff valve for natural gas or propane LP supply to equipment shutoff valve for propane LP see Figures 23 or 24 Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once Closed Figure 22 Equipment Shutoff Valve Equipment Shutoff PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 3 5 kPa l Disconnect fireplace with its 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 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 fit tings for leaks Valve J Gas Meter Gas Control Valve Figure 23 Checking Gas Joints for Natural Gas
30. his appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer A WARNING This product con tains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproductive harm IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause seri ous injury or death from burns fire explosion electrical shock and carbon monoxide poisoning 119526 01A SAFETY INFORMATION j Fireplace and screen become Continued very hot when running fireplace Keep children and adults away from hotsurfaces to avoid burns or clothing ignition Fireplace will remain hot for a time after shutdown Allow surfaces to cool before touching 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 influence of alcohol and those at high altitudes
31. ility from the fireplace see Figure 21 The flexible gas supply line con nection to the equipment shutoff valve should be accessible Attach the flexible gas line to gas supply see Figure 21 Check tightness of flexible gas line attached to gas regulator of fireplace see Figure 21 Check all gas connections for leaks See Checking Gas Connections page 16 Flexible Gas Line from Fireplace Gas Regulator Propane LP To External Regulator Natural Gas To Gas Meter Figure 21 Attaching Flexible Gas Lines Together 119526 01A www desatech com 15 INSTALLATION Continued CHECKING GAS CONNECTIONS A WARNING Test all gas pip ing and connections internal and external to unit for leaks after installing or servicing Cor rect all leaks at once AX WARNING Never use an open flame to check for a leak Apply anoncorrosive leak detec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION Make sure exter nal regulator has been installed between propane LP supply and fireplace See guidelines under Connecting Fireplace to Gas Supply page 15 Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 2 4 Equipment Shutoff Valve Close equipment shutoff valve see Figure 22 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
32. in this section show instal lation using the cabinet mantel and hearth base accessories The hearth base accessory shown is optional for this installation You can install fire place and cabinet 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 9 3 Install gas piping to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the equip ment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Location page 13 4 Place hearth base accessory against wall at instal lation location Cut an access hole in hearth top to run flexible gas line to fireplace see Figure 9 Make sure to locate access hole so cabinet mantel will cover it when installed Note You can secure base to floor using wood screws Countersink screw heads and putty over 5 Route flexible gas line through access hole in hearth base 6 Center cabinet mantel on hearth base see Figure 10 Make sure mantel is flush against wall 7 Break off nailing flanges see Figure 11 with hammer or pliers Hearth Electri
33. istant to liquid petroleum LP gas We recommend that you install a sediment trap in supply line as shown in Figure 19 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 External Regulator Propane LP Supply Tank Vent Pointing Down Figure 18 External Regulator on Propane LP Supply Tank with Vent Pointing Down CSA Design Certified Equipment Shutoff Valve With 1 8 NPT Tap Natural Gas From Gas Meter 5 W C to 10 5 W C Pressure Propane LP From External Regulator 11 W C to 14 W C Pressure Cap Pipe Tee Nipple Joint Sediment Trap Figure 19 Gas Connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 29 Minimum inlet pressure for purpose of input adjustment 14 www desatech com 119526 01A INSTALLATION Continued CONNECTING FIREPLACE TO GAS SUPPLY Installation ltems Needed 5 16 hex socket wrench or nut driver Phillips screwdriver sealant resistant to propane LP gas not pro vided Remove two screws that hold fireplace screen in
34. m after final finishing and or painting ances Shown you must do one of wall see Figure 7 page 9 of the following Support Bracket e raise the mantel to an accept able height e remove the mantel NOTICE Surface temperatures of adjacent walls and mantels become hot during operation Walls and mantels above the firebox may become hot to the touch If installed properly Shield these temperatures meet the requirement of the national product standard Follow all Figure 15 Installing Shield to Support Minimum clearances shown in Bracket this manual Firebox Wrapper Nails or Wood Screws gt U A Figure 16 Attaching Fireplace to Wall Studs 12 www desatech com 119526 01A INSTALLATION Continued Wall board or facing material above firebox may be of combustible material Mantel Shelf including decorative mantel ornaments or other similar projec tions off of the facing material Framing Material Firebox Wire mesh Screen Noncombustible Material May Project Off this Surface above the Firebox Hood 13 16 19 21 Y Note All vertical measurements are Supplied from top of fireplace Firebox hood opening to Hood bottom of mantel Must Be shelf These minimum Used at clearances replace any All Times other recommended clearances supplied with your ANSI Z2
35. me Pattern 22 www desatech com 119526 01A CLEANING AND MAINTENANCE A RWARNING Turn off fireplace and let cool before cleaning A CAUTION You must keep control areas burner and cir culating 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 AX WARNING Failure to keep the primary air opening s of the burner s clean may resultin sooting and property damage BURNER INJECTOR HOLDER AND PILOT AIR INLET HOLE The primary air inlet holes allow the proper amount o b li f air to mix with the gas This provides a clean urning flame Keep these holes clear of dust dirt nt 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 di irt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can You can use a v Pp acuum cleaner in the blow position If using com ressed air in a can
36. mensions shown for rough openings to create the easiest installation See Built In Fire place Installation page 11 IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing fireplace in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation page 5 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 fireplace If your gas supply is not cor rect do not install fireplace Call dealer where you bought fireplace for proper type fireplace Ay WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted ELECTRICAL HOOKUP Models GA3750 Series and GA3650TB Series Blower Accessories and GA3555 Internal Duplex Kit This fireplace accepts a blower assembly with an electrical cord The electrical cord 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 fireplace power cord The GA3555 outlet acces sory is used for built in applications with blower accessory installed www desatech com 119526 01A INSTALLATION Continued INSTALLING HOOD Install hood to top of firebox as shown in Figure 5 Use 3 Phillips screws provided
37. n or gas supplier for repairs Note If pilot goes out repeat steps 4 through 8 Ignitor Button AUTO MAN Control Knob Remote Selector Switch Figure 31 Remote Selector Switch Control Knob and Ignitor Button 9 Slightly push in and turn control knob coun terclockwise to the ON position 10 Press the on off key on the remote control to turn on appliance main burner Wait at least 5 seconds before setting desired flame height 11 Press the up or down key until the small triangle is to the left of large flame icon at the top of LCD display see Figure 36 page 22 Press the left or right key to set the desired flame height A CAUTION Do not try to ad just heating levels by using the equipment shutoff valve Pilot Burner Ignitor Electrode Figure 32 Pilot Propane LP Pilot Burner Ignitor Electrode Figure 33 Pilot Natural aan TO TURN OFF GAS TO APPLIANCE Shutting Off Heater Press on off key on remote control and turn control knob clockwise X to the OFF posi tion see Figure 31 Shutting Off Burners Only pilot stays lit Press the on off key on remote control or turn control knob clockwise N to the PILOT position NN MANUAL LIGHTING PROCEDURE 1 Follow steps 1 through 7 under Lighting Instructions column 1 2 Depress control knob and light pilot with match 3 Keep control knob pressed in for 30 seconds after lighting
38. n be turned on or off manually by setting the backup switch of the receiver to MAN position see Figure 31 page 20 Remote control and receiver will restart normal opera tion after batteries are replaced See Installing Batteries for Remote Receiver and Hand Held Remote Control page 19 Timeout If appliance is turned on and no command is sent to the receiver for 24 hours appliance will automatically shut down Commands sent after shutdown will be executed normally 119526 01A www desatech com 21 INSPECTING BURNERS Check pilot flame pattern and burner flame pat terns often PILOT FLAME PATTERN Figure 35 shows a correct pilot flame pattern Figure 36 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 36 e turn heater off see To Turn Off Gas to Appli ance page 20 e see Troubleshooting page 24 Note The pilot flame on a natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Thermocouple Pilot Burner Propane LP Gas Pilot Pilot Burner Thermocouple Natural Gas Pilot Figure 35 Correct Pilot Flame Pattern Pilot Burner Thermocouple Propane LP Gas Pilot Pilot Burner Thermocouple Natural Gas Pilot Figure 36 Incorrect Pilot Flame Pattern BURNER PRIM
39. ns listed under Replacement Parts on page 28 of this manual KEY NO PART NO DESCRIPTION QTY 1 101357 03 Top Outer Casing A 2 Outer Casing 1 3 Right Front Side 1 4 i i Left Front Side 1 5 098304 01 Phillips Pan Head Screw 10 16 x 38 9 6 104239 01CK Top Front Louver d 7 119521 01BR Firebox Hood 1 8 R Firebox Support 2 9 099230 02 Shoulder Screw 4 10 Firebox Top 1 11 101346 01 Outer Base 1 12 i ia Firebox Wrapper 1 13 101514 01 Cover 1 14 M11084 26 Hex Screw 10 16 x 38 45 15 104237 01CK Bottom Louvered Door 16 101727 02 Screen Assembly 1 a PARTS AVAILABLE NOT SHOWN m 101386 02 Louvered Door Hinge 2 101784 01 Magnet Catch 2 102307 01 Strike Plate 2 Not a field replaceable part 119526 01A www desatech com 33 NOTES 34 www desatech com 119526 01A NOTES 119526 01A www desatech com 35 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied
40. ob 1 Gas leak See Warning is in OFF position statement above Locate and correct all leaks see Checking Gas Connec tions page 16 2 Control valve or gas control 2 Replace control valve or gas defective control Gas odor during combustion 1 Foreign matter between con 1 Take apart gas tubing and trol valve and burner 2 Gas leak See Warning statement above remove foreign matter Locate and correct all leaks see Checking Gas Connec tions page 16 Dark residue on logs inside 1 Improper log placement of their fireplace Note After removing all causes of residue 2 Drafts or other air currents deposits completely clean fire affecting flame pattern place and appliance off residue 3 Air holes at burner inlet before reusing appliance blocked 4 Burner flame holes blocked 4 Properly locate logs see Installing Logs page 17 Eliminate source of drafts around heater Clean out air holes at burner inlet Periodically repeat as needed Remove blockage 119526 01A www desatech com 27 SPECIFICATIONS LMFP33NR B e Rating Variable 23 33 000Btu Hr e Gas Type Natural Gas Only e Ignition Piezo e Pressure Regulator Setting 3 5 W C e Inlet Gas Pressure in of water Maximum 10 5 Minimum 5 5 e Shipping Weight 122 lbs For purposes of input adjustment WIRING DIAGRAM ADDRESS MOTOR AUTO MAN TECHNICAL SERVICE You may have further questi
41. ol Knob OD l Piezo Ignitor Remote Control Remote Receiver Figure 1 Log Base Assembly Top Outer Casing Blower Top Louver Assembly Assembly Firebox Optional Hood Firebox Screen A bl sald Bottom Louver Assembly Figure 2 Fireplace LMFP33PR Shown 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 Note Where listed vented decorative logs are required thermostat operation is not permitted www desatech com 119526 01A LOCAL CODES Continued State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Mas sachusetts 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 Commonwealth of Massachusetts UNPACKING AX CAUTION Do notremove 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 abov
42. ons about installation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating Products techni cal services web site at www desatech com LMFP33PR B Rating Variable 23 33 000Btu Hr e Gas Type Propane LP Gas Only e Ignition Piezo e Pressure Regulator Setting 7 9 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 e Shipping Weight 122 lbs For purposes of input adjustment SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit burner will have delayed ignition e fireplace will not produce specified heat e for propane LP unit propane LP gas supply may be low You may feel your gas pressure is too low If so contact your local gas supplier 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 e your name and address model and serial numbers of your fireplace e how fireplace was malfunctioning e type of gas used propane LP or natural gas e purchase date Usuall
43. ontrol see Figure 30 Positive and negative are marked inside remote control casing Note Remote will not function if batteries are not installed correctly 3 Slide remote cover back into place Control Figure 30 Installing Batteries in Remote Control 18 www desatech com 119526 01A OPERATING HEATER E 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 must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the LIGHTING INSTRUCTIONS A WARNING e If fireplace has glass doors never operate this heater with glass doors closed If you op erate heater with doors closed heat buildup inside fireplace will cause glass to burst Make sure there are no obstructions across opening o
44. or these appliances This will insure proper venting of vented fuel burning appliances 119526 01A www desatech com 5 AIR FOR COMBUSTION AND VENTILATION Continued 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 5 through 7 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 a walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with openings gasketed or sealed and_ b weather stripping has 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 plumb ing electrical and gas lines and at other openings If your home meets all of th
45. ovided see Figure 15 page 12 6 Plug blower cord into duplex outlet 7 Replace bottom of firebox and reconnect remote receiver module to valve 8 Install gas piping to fireplace location This installation includes an approved flexible gas line if allowed by local codes after the equip ment shutoff valve The flexible gas line must be the last item installed on the gas piping See Installing Gas Piping to Fireplace Location page 13 9 Carefully set fireplace in front of rough opening with back of fireplace inside wall opening 10 Attach flexible gas line to gas supply See Con necting Fireplace to Gas Supply page 15 11 Plug electrical cord into electrical outlet installed in step 2 if using blower 12 Carefully insert fireplace into rough opening Blower Power Cord gable rom Electrical Source Blower Support Bracket Strain Relief Fitting Figure 14 Connecting Duplex Outlet 119526 01A www desatech com 11 INSTALLATION Mantel Clearances for Built In Continued Installation If placing mantel above built in fireplace you must 13 Attach fireplace to wall studs using nails or meet minimum clearance between mantel shelf and wood screws through holes in nailing flange top of fireplace opening see Figure 16 NOTICE If yourinstallation does 14 Check all gas connections for leaks See Checking Gas Connections page 16 not meet the minimum clear 15 Install tri
46. pilot After 30 seconds release control knob Now follow steps 9 through 11 under Lighting Instructions 20 www desatech com 119526 01A OPERATING HEATER Continued EN HAND HELD REMOTE OPERATION NOTICE You mustlightthe pilot before using the hand held re mote control unit See Lighting Instructions page 19 When the appliance and the remote control are switched off the house icon with the room temperature will be displayed When the re mote control is turned on other icons will be visible and the main burner of the appliance will turn on 1 Turn control knob clockwise to the ON position see Figure 31 page 20 2 Press the ON button on remote control see Figure 34 Wait 5 seconds to send a command to appliance Note An acoustic signal will be heard that confirms the reception of the command sent from the remote control Setting Flame Height Press the up or down key until the small triangle is to the left of large flame icon at the top of LCD display see Figure 34 Press the left or right key to set the desired flame height Six flame levels are available from 1 minimum to 6 maximum Small Triangle Icon Function LCD Display Indicator AR Flame Height Room Indicator Temperature Display Thermometer Icon Sleep Timer Display Clock Icon ed Lock Out Left and Right Keys Indicator Increase and Decrease Low Battery Set Points Indicator Se
47. r for Combustion and Ventilation for required size of ventilation grills or ducts Ss 220 mi Ventilation 7 Grills Ventilation Grills Into Adjoining Or Into Adjoining Room Room Option 2 Option 1 Remove Door into Adjoining Room Option O 3 WN ZZ Z A GSE GLA ZA Figure 3 Ventilation Air from Inside Building 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 Ventilated Attic Outlet Ar To Attic To Crawl Space Inlet Air i Ventilated era Crawl Space Figure 4 Ventilation Air from Outdoors 119526 01A www desatech com T INSTALLATION NOTICE This heateris intended for use as supplemental heat Use this heater along with your primary heating system Do not in
48. sition 3 Control knob not pressed in 3 Press in control knob while in while in PILOT position PILOT position 4 Air in gas lines when installed 4 Continue holding down con trol knob Repeat igniting op eration until air is removed 5 Depleted gas supply propane 5 Contact local propane LP gas LP only company 6 ODS pilot is clogged 6 Clean ODS pilot see Cleaning and Maintenance page 23 or replace ODS pilot assembly 7 Gas regulator setting is not 7 Replace gas regulator correct 24 www desatech com 119526 01A Continued TROUBLESHOOTING OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS pilot lights but flame goes 1 Control knob not fully pressedin 1 Press in control knob fully out when control knob is re 2 Control knob not pressed in 2 After ODS pilot lights keep leased long enough control knob pressed in 30 seconds 3 Equipment shutoff valve not 3 Fully open equipment shutoff fully open valve 4 Pilot flame not touching ther 4 A Contact local natural or mocouple which allows ther propane LP gas company mocouple to cool causing pilot flame to go out This B Clean ODS pilot see problem could be caused by Cleaning and Maintenance one or both of the following page 23 or replace ODS pilot A Low gas pressure assembly B Dirty or partially clogged ODS pilot 5 Thermocouple connection 5 Hand tighten until snug then loose at control valve tighten 1 4 turn more 6 Thermocouple damaged 6 Replace pilot assem
49. stall 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 e ina bedroom or bathroom e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 42 inches from the front top or sides of the heater e in high traffic areas e in windy or drafty areas CAUTION This fireplace cre ates warm air currents These currents move heat to wall sur faces nextto fireplace Installing fireplace next to vinyl or cloth wall coverings or operating heater 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 placed directly against wall or framing materials Use the di
50. te propane LP supply tank s outdoors propane LP units only AX WARNING Do not use a blower insert heat exchanger insert or other accessory notap proved for use with this heater Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies If you smell gas e shut off gas supply e do not try to light any appliance e do not touch any electrical switch do not use any phone in your building e immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e if you cannot reach your gas supplier call the fire department E 4 This fireplace shall not be installed in a bed Do not place clothing or other om or bathroom flammable material on or near 5 Do not use this fireplace as a wood burning the appliance Never place any objects on the heater 119526 01A fireplace Use only the logs provided with the fireplace www desatech com 3 10 Li 12 14 I5 16 17 SAFETY INFORMATION Continued Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting Do not add lava rock around base Rock and debris could fall into the control area of fireplace To prevent the creation of soot follow the instruc tions in Cleaning and Maintenance page 24 Before using furniture polish wax carpet cleaner or similar products
51. ther sources to light fireplace OPTIONAL BLOWER ASSEMBLY GA3750 SERIES amp GA3650TB SERIES This fireplace accepts an optional blower assembly not included The GA3650TB Series blower operates thermostatically and features a variable speed control The GA3750 Series blower operates manually and also features a variable speed control The blower circulates heated air from the fireplace into the room See Accessories page 34 AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed in a confined space or unusually tight construc tion unless provisions are provid ed for adequate combustion 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 burning appliances draw air from the house to operate You must provide adequate fresh air f
52. tional W32A0S Oak Finished Traditional CMA311WA Painted White Traditional with Dentil Molding CMA306FA Oak Finished Traditional with Dentil Molding CMA312FB Dark Oak Finished Classic W32KCSA Cherry Finished Neo Classical W32KPA Painted White Neo Classical CMA305UA Unfinished Oak Georgian GMC90FA Oak Finished Georgian W32DS Red Oak Finished Keystone W32GOSA Dark Oak Finished Mission For all models Three sided perimeter trim included CORNER CABINET MANTEL AND FULL HEARTH BASE Not Shown C32AU Unfinished Oak Traditional C32AOS Oak Finished Traditional C32HS Dark Oak Stained Classic For all models Three sided perimeter trim included DUPLEX OUTLET KIT GA3555 Not Shown For all models For built in installation when accessory blowers are used 119526 01A www desatech com 29 ILLUSTRATED PARTS BREAKDOWN MODELS LMFP33NRB AND LMFP33PRB 24 a 26 lt C QS eE Co 30 www desatech com 119526 01A PARTS LIST This list contains replaceable parts used in your fireplace When ordering parts follow the instructions listed under Replacement Parts on page 28 of this manual KEY NO la 1b e 1d 8 9 10 11 12 43 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 109072 01 109073 01 109074 01 109075 01 103778 01 103779 01 098249 01 099387 09 099387 07 104229 03 111331 13 111124 01 099056 31 099056 26 102772 01 M
53. ty Information oooonocnnncninncnncccnocnnocccnnncnnncnns 2 TroubleshootiNd tesciuiiso cit Product identification o oiionacci neioniiis eci s 4 Specifications LocalCodes ciin ani 4 Wiring Diagram UM PACKINGS eedisecrs ctcaredseeestcceysibensteaccrvayitescatasegenet 5 Technical Service Product Features 5 Service Hints Air for Combustion and Ventilation 5 Replacement Parts INSTA sasan 8 ACCESSO Sneen a Operating HeateT ooocococccnccinccnoncccncccnncccnncannnos 19 Inspecting BUMETS oooncoonccnoccconcccoccnncnnnancnnnanonns 22 Cleaning and Maintenance cceceeeeeee 23 SAFETY INFORMATION WARNING Improper in stallation adjustment al teration service or main tenance can cause in jury or property damage Refer to this manual for correct installation and operational procedures For assistance or addi tional information con sult a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heat er It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ven tilation section on page 5 of this manual 2 www desatech com This appliance may be in stalled in an aftermarket permanently located manufactured mobile home where not prohib ited by local codes T
54. um clearances If you can provide greater clearances from floor ceiling and adjoining wall 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 8 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 2 from the wall This combus tible material must be 4 from the side of the fireplace opening see Figure 8 B Clearances from the top of the fireplace opening to the ceiling should not be less than 42 inches MINIMUM CLEARANCE TO COMBUSTIBLE MATERIALS Top Left and Bottom Right Sides and Rear 42 16 o p12 10 2 Example 8 7 5 4 a sik 2 Pls 7 8 7116 FIREBOX 5 1 2 4 6 8 10 12 14 16 INCHES Minimum 16 inches from Side Wall Figure 8 Minimum Clearance for Combustible to Wall 119526 01A www desatech com 9 INSTALLATION Continued CONVENTIONAL FIREPLACE INSTALLATION Conventional installation of this fireplace involves installing fireplace along with the corner face or cabinet mantel with hearth base accessories against a wall in your home Follow the instructions below to install the fireplace in this manner Note The instructions
55. y we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s call DESA Heating Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready e model number of your fireplace e the replacement part number 28 www desatech com 119526 01A ACCESSORIES NOTICE All accessories may not be available for all fireplace models Purchase these fireplace accessories from your lo cal dealer If they can not supply these accessories call DESA Heating Products Sales Department at 1 866 672 6040 for information You can also write to the address listed on the back page of this manual GA5010 For all models Equipment shutoff valve with 1 8 NPT tap Fits 1 2 NPT pipe BLOWER ACCESSORY GA3750A AND GA3650TB SERIES For all models Manual variable control and automatic thermostat variable control A blower will increase air flow to assist heat distribution from the firebox FIREBOX BRICK LINER G8005 Series Not Shown For all models Ceramic fiber firebox liner adds the look of real brick INFORMATION VIDEO 108917 01 For all models A care and maintenance video is available by calling 1 866 672 6040 You may also email your request to productsupport desaint com CABINET MANTEL AND FULL HEARTH BASE Not Shown W32AU Unfinished Oak Tradi
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