Desa LMFP33NR(B) manual

For more information, visit www .desatech.com WARNING: If the information in this manual is not fol- lowed exactly, a re or explosion may result causing property damage, personal injury or loss of life. — Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other appliance. — WHAT TO DO IF YOU SM[...]

www .desatech.com 1 19526-01A 2 SAFETy INFORMA TION CONTENTS Safety Information ............................................... 2 Product identication ........................................... 4 Local Codes......................................................... 4 Unpacking............................................................ 5 Product[...]

www .desatech.com 1 19526-01A 3 Fireplace and screen become very hot when running replace. Keep children and adults away from hot surfa ces to avoid burns or clothing ignition. Fireplace will remain hot for a time after shutdown. Allow surfaces to cool before touching. Carefully supervise young chil - dren when they are in the room with repla[...]

www .desatech.com 1 19526-01A 4 SAFETy INFORMA TION Continued 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. Rock and debris could fall into the control area of replace. 7. To pre ven t th e cre at ion of so ot , fo ll ow the ins tru[...]

www .desatech.com 1 19526-01A 5 UNP ACkING CA UTIO N: Do no t remove the da ta p la te s att ac he d to the hea te r base assembly . The data plates contain important warranty and safety information. 1. W ith utility knife, cut the carton all the way around above the staples on the bottom tray . Lift the carto n off the heater . Remove packi ng. No[...]

www .desatech.com 1 19526-01A 6 PROVIDING ADEQUA TE VENTILA TION The following are excerpts from National Fuel Gas Code, ANSI Z223.1/NFP A 54, Section 5.3, Air for Combustion and V entilation. All spaces in homes fall into one of the three fol- lowing ventilation classications: 1. Unusually T ight Construction 2. Unconned Space 3. Conned S[...]

www .desatech.com 1 19526-01A 7 AIR FOR COMB USTION AND VENTILA TION Continued Figure 4 - V entilation Air from Outdoors Figure 3 - V entilation Air from Inside Building Outlet Air V entilated Attic Outlet A ir Inlet Air Inlet Air V entilated Crawl Space T o Crawl Space T o Attic Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into [...]

www .desatech.com 1 19526-01A 8 INSTALLATION NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your primary heating system. Do not install this heater as your pri - mary heat source. If you have a central heati ng sy stem, you may run system’s circulating blower while us ing heat er. Thi s will help cir cul [...]

www .desatech.com 1 19526-01A 9 MINIMUM CLEARANCE TO COMBUSTIBLE MA TERIALS T op Left and Bottom Right Sides and Rear 42" 16" 0" Figure 5 - Installing Hood to Firebox Figure 6 - Assembling Trim Side T rim Slot Mitered Edge Slot Shim Set Screws Adjusting Plate T rim Hanging Screws Assembled T rim Hanging Notches on T rim INSTALLING HO[...]

www .desatech.com 1 19526-01A 10 CONVENTIONAL FIREPLACE INST ALLA TION Conven tiona l installatio n of this replac e involves installing replace along with the corner, face or cab ine t mante l with hear th base acce sso rie s again st a wall in your home. Follow the instr ucti ons below to install the replace in this manner . Note: The in[...]

www .desatech.com 1 19526-01A 1 1 INST ALLA TION Continued Actual Framing Height 32 3 / 8 " 33" Front Width 34 5 / 16 " 35 1 / 8 " Depth 16 1 1 / 16 " 17 3 / 4 " BUIL T -IN FIREPLACE INST ALLA TION Built-in installation of this fireplace involves installing replace into a framed-in enclosure. This makes the front of[...]

www .desatech.com 1 19526-01A 12 Mantel Clearances for Built-In Installation If placi ng man tel abo ve buil t-i n repl ace , you must mee t mini mu m clea ra nce betwe en mante l shel f and top of replace opening. NOT ICE : If you r insta lla tio n does not meet the minimum clear- ances shown, you must do one of the following: • raise the [...]

www .desatech.com 1 19526-01A 13 Figure 17 - Minimum Mantel Clearances for Built-In Installation Supplied Firebox Hood Must Be Used at All Times Wire-mesh Screen Firebox Noncombustible Material May Project Off this Surface above the Firebox Hood Mantel Shelf 13" 16" 19" 21" 2 1 /2 " 6" 8" 10" Note: All vertic[...]

www .desatech.com 1 19526-01A 14 For propane/LP units, the installer must supply an external regulator. The external regulator will reduce incoming gas pressure. Y ou must reduce incoming gas pressure to between 1 1" and 14" of water . If you do not reduce incoming gas pres- sure, heater regulator damage could occur . Install external reg[...]

www .desatech.com 1 19526-01A 15 CONNECTING FIREPLACE TO GAS SUPPLY Installation Items Needed • 5/16" hex socket wrench or nut-driver • Phillips screwdriver • sealant (resistant to propane/LP gas, not pro- vided) 1. Remove two screws that hold replace screen in place for shippin g. These screws are locat ed near top of screen. Discard[...]

www .desatech.com 1 19526-01A 16 CHECKING GAS CONNECTIONS WARNING: Test all gas pip - ing and connections, internal and external to unit, for leaks after instal ling or se rvicing. Cor - rect all leaks at once. WARNING: Never use an open ame to check for a leak. App ly a n onc orros iv e leak dete c - tion uid to all joints. Bubbles forming s[...]

www .desatech.com 1 19526-01A 17 INST ALLA TION Continued Pressure Testing Fireplace Gas Connections 1. Open equipment shutoff valve (see Figure 22, page 16). 2. Open main gas valve located on or near gas meter for natural gas or open propane/LP supply tank valve. 3. Make sure control knob of replace is in the OFF position. 4. Check all joints f[...]

www .desatech.com 1 19526-01A 18 INST ALLA TION Continued Figure 28 - Installing Crossover Log (#4) (Base may very from illustration) Notches Grate Finger Figure 27 - Installing Front Log (#3) (Base may very from illustration) Crossover Log (#4) Recess Peg Figure 29 - Installing Batteries in Receiver Cover Receiver Slot 4 AA Batteries Battery Housi[...]

www .desatech.com 1 19526-01A 19 LIGHTING INSTRUCTIONS WARNING • If replace has glass doors, never operate this heater with glass doors closed. If you op - era te heat er wi th do or s close d, heat buildup inside replace will cause glass to burst. Make sure there are no obstructions across opening of replace. • You must operate this h[...]

www .desatech.com 1 19526-01A 20 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 cont rol knob cloc kwise to the OF F p osi tio n (s ee Fig ure 31 ). 5. Wait ve (5) minutes to clear out any gas. Then smell[...]

www .desatech.com 1 19526-01A 21 Setting Room Temperature P r e s s t h e u p o r d o w n k e y u n t i l t h e s m a l l 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) Pre ss the up or down key unti l the smal l trian gle is to the lef[...]

www .desatech.com 1 19526-01A 22 INSPECTING B URNERS Check pilot ame pattern and burner ame pat - terns often. PILOT FLAME P A TTERN Figure 35 shows a correct pilot ame pattern. Figure 36 shows an incorrect pilot ame pattern. The incorrect pilot ame is not properly heating the thermocouple. When the thermocouple cools, the heater wil[...]

www .desatech.com 1 19526-01A 23 Figure 39 - Injector Holder On Outlet Burner Tube Burner T ube Primary Air Inlet Holes (Shape of Holes May V ary by Model) Figure 40 - Pilot Inlet Air Hole Burner T ube 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 clo[...]

www .desatech.com 1 19526-01A 24 POSSIBLE CAUSE 1 . Ignitor electrode not con- nected to ignitor cable 2. Ignitor cable pinched or wet 3. Piezo ignitor nut is loose 4. Broken ignitor cable 5. Bad piezo ignitor 6. Ignitor electrode positioned wrong 7. Ignitor electrode broken 1. Gas supp ly turn ed off or equi p - ment sh uto ff val ve clos ed 2. Co[...]

www .desatech.com 1 19526-01A 25 OBSERVED PROBLEM ODS/pilot lights but ame goes out when control knob is re- leased Burner does not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backring during com - bustion POSSIBLE CAUSE 1. C on trol kn ob no t ful ly p res se d in 2. Control knob not pressed in long enough 3.[...]

www .desatech.com 1 19526-01A 26 TROUBLESHOO TING Continued OBS ERV ED PRO BL EM Slig ht smok e or odor duri ng initi al operation Moisture/condensation noticed on windows Heater produces a whistling noise when burners are lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function Fireplace produce[...]

www .desatech.com 1 19526-01A 27 TROUBLESHOO TING Continued W ARNING: 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. Fol - low the gas supplier ’ s instructions. • If[...]

www .desatech.com 1 19526-01A 28 WIRING DIAGRAM Black Red White Red TECHNICAL SERVICE Y ou may have further questions about installa tion, operation or troubleshooting. If so, contact DESA Hea tin g Prod uct s’ T echn ic al Serv ic e Depa rtm ent at 1-866-672-6040. When calling, please have your model and serial numbers of your heater ready . Y o[...]

www .desatech.com 1 19526-01A 29 ACCESSORIES NOTICE: All accessories may not be available for all replace models. Purchase these replace accessories from your lo - cal dealer. If they can not supply these accessorie s, call DESA Heating Products’ Sales Department at 1-866-672-6040 for information. You can also write to the address listed on[...]

www .desatech.com 1 19526-01A 30 ILL USTRA TED P ARTS BREAkDO WN MODELS LMFP33NRB AND LMFP33PRB 17 4 8 12 25 20 21 7 6 4 3 2 5 9 27 14 13 15 16 22 1 1 10 19 23 18 24 28 1b 1a 1c 1d 26[...]

www .desatech.com 1 19526-01A 31 P ARTS LIST This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. KEY NO. DESCRIPTION QTY. P ART NO. 1a 109072-01 Middle Log • • 1 1b 109073-01 Rear Log • • 1 1c 109074-01 Front Log • • 1 1d 109[...]

www .desatech.com 1 19526-01A 32 ILL USTRA TED P ARTS BREAkDO WN FIREBOX LMFP33PRB AND LMFP33NRB 4 1 1 14 8 14 9 3 14 9 9 2 1 6 7 10 14 12 5 14 13 16 15[...]

www .desatech.com 1 19526-01A 33 P ARTS LIST FIREBOX LMFP33PRB AND LMFP33NRB This list contains replaceable parts used in your replace. When ordering parts, follow the instructions listed under Replacement Parts on page 28 of this manual. KEY NO. P ART NO. DESCRIPTION QTY . 1 101357-03 T op Outer Casing 1 2 ** Outer Casing 1 3 ** Right Front Sid[...]

www .desatech.com 1 19526-01A 34 ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ __________________________________________[...]

www .desatech.com 1 19526-01A 35 ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ __________________________________________[...]

2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com 1 19526-01 Rev . A 05/06 NOT A UPC WARRANTy INFORMA TION kEEP THIS WARRANTy Model Serial No. Date Purchased Always specify model and serial numbers when communicating with the factory . W e reserve the right to amend these specications at any time without notice[...]