Instruction/ maintenance manual of the product LMFP33PR(B) Desa
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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.
www .desatech.com 1 19526-01A 2 SAFETy INFORMA TION CONTENTS Safety Information ............................................... 2 Product identication ........................................... 4 Local Codes........................................
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.
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.
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 .
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 classications: 1.
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 O.
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.
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 - Assembl.
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.
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.
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.
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 Pr.
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 .
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.
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.
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.
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 m.
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.
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 ).
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.
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.
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.
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.
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 backring during com - bustion POSSIBLE CAUSE 1.
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 .
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.
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.
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.
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.
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.
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 .
An important point after buying a device Desa LMFP33PR(B) (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa LMFP33PR(B) yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa LMFP33PR(B) - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa LMFP33PR(B) you will learn all the available features of the product, as well as information on its operation. The information that you get Desa LMFP33PR(B) will certainly help you make a decision on the purchase.
If you already are a holder of Desa LMFP33PR(B), but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa LMFP33PR(B).
However, one of the most important roles played by the user manual is to help in solving problems with Desa LMFP33PR(B). Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa LMFP33PR(B) along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
