Desa FVFM27PR manual

Sav e this manual for future reference. For more information, visit www .desatech.com W ARNING: If the information in this manual is not fol-           [...]

www .desatech.com 108382-01G 2       -     ?[...]

www .desatech.com 108382-01G 3 SAFETY INFORMA TION                of California to cause cancer or ?[...]

www .desatech.com 108382-01G 4 SAFETY INFORMA TION Continued 1. This ap plia nce is only for us e wi th t he type of ga s indi ca ted on the rat ing plat e. This appl ian ce is n ot conv erti ble for use wit h ot her gas es. 2. Do not place propane/LP supply tank(s) in- side any structure. Locate propane/LP supply tank(s) outdoors (propane/LP units[...]

www .desatech.com 108382-01G 5 LOCAL CODES Install and use heater 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/NFP A 54 *. *A vailable from: American National Standards Institute, Inc. 1430 Broadway New Y ork, NY 10018 National Fire Protection Association, Inc[...]

www .desatech.com 108382-01G 6 Exhaust fans, replaces, clothes dryers, and fuel burni ng applian ces draw ai r from the h ouse to operate. Y ou must provide adequate fresh air for these appliances. This will insure proper venting of vented fuel-burning appliances.     [...]

www .desatech.com 108382-01G 7 Outlet Air V entilated Attic Outlet A ir Inlet Air Inlet Air V entilated Crawl Space T o Crawl Space T o Attic AIR FOR COMb USTION AND VENTILA TION Continued Example: Gas water heater* ____________Btu/Hr V ent-free heater + __________Btu/Hr T otal = __________Btu/Hr 4. Compare the maximum Btu/Hr the space can support [...]

www .desatech.com 108382-01G 8 INST ALLA TION NOTICE: This heater is intended            [...]

www .desatech.com 108382-01G 9 MINIMUM FIREPLACE CLEARANCE   Side W all  16" 42"   Size    [...]

www .desatech.com 108382-01G 10 14" Min. Combustible Material Noncombustible Material  Y ou must have noncombustible material(s) above the replace opening. Noncombustible materials (such as slate, marble, tile, etc.) must be at least 1/2" thick. W ith sheet metal, you must have non - combust[...]

www .desatech.com 108382-01G 1 1 Hearth 5" Min. Combustible Material INST ALLA TION Continued Figure 9 - Minimum Fireplace Clearances Above Combustible Flooring B. If c om bu st ible m at eria ls are l es s th an 14" to the r ep la ce, y ou mu st in st al l ap pli an ce at lea st 5" ab ov e the com bu st ib le  oori ng (s ee F [...]

www .desatech.com 108382-01G 12 INST ALLA TION Continued IM PO R T ANT : Mak e sur e the hea ter bur ner is lev el . If h ea ter is no t le ve l, hea ter w il l no t wo rk pr op er ly . Installation Items Needed • hardware package (provided with heater) • approved exible gas hose (not provided) (if allowed by local codes) • s e al a n t (r[...]

www .desatech.com 108382-01G 13 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 re[...]

www .desatech.com 108382-01G 14 CHECKING GAS CONNECTIONS             and connections, internal and         [...]

www .desatech.com 108382-01G 15 INST ALLA TION Continued Figure 18 - Installing Bottom Log (#1) Bottom Log (#1) Burner Chassis Grate Burner Port Figure 19 - Installing Log set (T op V iew) Logs Burner Ports Figure 20 - Installing T op Log (#2) T op Log (#2) Peg 3. Position log piece (#3) by aligning holes on underside with remaining pegs on bottom [...]

www .desatech.com 108382-01G 16 INST ALLA TION Continued Figure 21 - Installing Log Piece (#3) Log Piece (#3) Peg OPERA TING HEA TER FOR YOUR SAFETY  W ARNING: If you do not fol- low these instructions exactly ,      ?[...]

www .desatech.com 108382-01G 17 safety information, column 1 on page 16. If you don’t smell gas, go to the next step. 6. Pr ess in and turn control knob counter- clockwise to the PILOT position. Press in control knob for ve (5) seconds (see Figure 22, page 17). Note: Y ou may be running this heater for the rst time after hooking up to gas s[...]

www .desatech.com 108382-01G 18  Hold the control button on the hand-held remote until burner turns on. Hold the con- trol button again until burner turns off (see Figure 26).       press both buttons on hand-held remote control until light stop[...]

www .desatech.com 108382-01G 19 Note : Do not l eave t he han d-he ld r emot e in the AUT O mode clo se to the r eplace . T he rad ian t hea t fro m the r epl ac e will tur n off the r epl ac e. Ide all y , pla ce the hand- hel d rem ote in the cente r of t he ro om f acin g to war ds t he  re plac e. Note: Do not hold the hand-held rem[...]

www .desatech.com 108382-01G 20 Injector Holder (May Be Brass or Aluminum Depending on Model) Primary Air Inlet Holes (Shape of Holes May V ary by Model) INSPECTING b URNERS Continued                Air is drawn into the burner through the holes in the tting at the burner en[...]

www .desatech.com 108382-01G 21 Clean the pilot assembly also. A yellow tip on the pilot ame indicates dust and dirt in the pilot as - sembly . There is a small pilot air inlet hole about two inch es from where the pilo t am e comes out of the pilot assembly (see Figure 33, page 20). W ith the unit off, lightly blow air through the air inlet [...]

www .desatech.com 108382-01G 22 TROUbLESHOO TING       ?[...]

www .desatech.com 108382-01G 23  ODS/pilot lights but ame goes out when control knob is re- leased Burner does not light after ODS/ pilot is lit Delayed ignition burner Burner backring during com - bustion Slig ht smoke or od or durin g initia l operation ?[...]

www .desatech.com 108382-01G 24 TROUbLESHOO TING Continued  Moisture/condensation noticed on windows Heater produces a whistling noise when burner is lit White powder residue forming within burner box or on adjacent walls or furniture Remote does not function Heater produces a clicking/tick- ing noise[...]

www .desatech.com 108382-01G 25 TROUbLESHOO TING Continued  Gas odor during combustion  1. Foreign matter between con- trol valve and burner 2 . Gas leak.    [...]

www .desatech.com 108382-01G 26 5 O F F P I L O T O N H I L O O F F P I L O T O N H I L O 1 9 3 2 13 12 15 14 18 17 12 12 16 21 12 19 6 8 7 4 1 1 12 20 10 9 23 22 ILL USTRA TED P ARTS bREAkDOWN MODELS   NOTE: Part numbers 22 and 23 a[...]

www .desatech.com 108382-01G 27 P ARTS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 21 of this manual. KEY    DESCRIPTION     ?[...]

2701 Industrial Drive P .O. Box 90004 Bowling Green, KY 42102-9004 www .desatech.com NOT A UPC 108382-01 Rev . G 10/05 WARRANTY INFORMA TION kEEP THIS WARRANTY 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. The only warranty applicable is[...]