GAS-FIREDVENTED WALLFURNACE J
Contents
1. Screw Cap 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 information on the safety label If you don t smell gas go to the next step Locate the pilot Follow metal pilot tube from gas control 9 Turn gas control knob counterclockwise KN to Turn gas control knob counterclockwise KY to ON PILOT 10 Close the cabinet door ll Set thermostat to desired setting TO TURN OFF GAS TO APPLIANCE Set the thermostat to it s lowest setting 3 Push in gas control knob slightly and turn clockwise Open cabinet door 74 to OFF Do not force Close cabinet door Page 10 LIGHTING INSTRUCTIONS MODEL W251F W252F W351F W352F WS01F W502F FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instruc tions exactly 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 If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob Never use tools Ifthe knob will no2. GAS FIRED VENTED OLY f WALL FURNACE INSTALLATION AND OPERATING INSTRUCTIONS P N 84502 REV 11 04 NATURAL W251F W351F W501F L P W252F W352F W502F GAS W255F W355F W505F GAS W256F W356F W506F WARNING Ifthe information in this manual is not followed 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 supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER ARNING Operation of this furnace when not connected to a properly installed and maintained venting system can result in Carbon Monoxide C O poisoning and possible death For your safety this furnace and the venting system should be inspected at least annually by a qualified service person This appliance is equipped with a blocked flue switch designed to protect against a blocked flue condition The coating selected to provide longer life to the heat exchanger may smoke slightly upon initial firing Please provide adequate ventilatio
3. NN VNAAAAAAAAAAAAAAA the manufacturer for inspection to enable the SOME STATES DO NOT ALLOW manufacturer to determine if the claimed defect is covered LIMITATIONS ON HOW LONG AN IMPLIED by this warranty WARRANTY LASTS SO THE ABOVE LIMITATIONS No charges for freight labor or other expenses MAY NOT APLY TO YOU incurred in the repair removal or replacement of any SOME STATES DO NOT ALLOW THE product or component claimed to be defective will be paid EXCLUSION OR LIMITATION OF INCIDENTAL OR by the manufacturer to the user and the manufacturer will CONSEQUENTIAL DAMAGES SO THE ABOVE not be liable for any expenses incurred by the user in LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO remedying any defect in the product YOU Service under this warranty is the responsibility THIS WARRANTY GIVES YOU SPECIFIC of the installer In the event service under this warranty is LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER needed the user of the product shall request such service RIGHTS WHICH VARY FROM STATE TO STATE ATAVAAAAAAAAAA v TAAA AAAA Yy VA TAY AA A TABLE A gt Warranty for gas appliance heat exchangers only q gt Product Warranty Period gt gt Cozy Gas Fired Floor Furnace 10 Years lt q lt 4 Cozy Gas Fired Wall Furnace 10 Years gt gt Cozy Gas Fired Vented Console Heater 10 Years lt gt Cozy Gas Fired Direct Vent Heater 10 Years lt q 4 Cozy Gas Fired Counterflow Furnace 10 Years gt Cozy Gas
4. vents shall extend in a generally vertical direction with offsets not exceeding 45 vent system degrees except that a vent system having not more than one 60 degree offset may be allowed caused by offsets Any angle greater than 45 degrees from the vertical is considered horizontal The total horizontal run of a vent plus the horizontal vent connector shall be not greater than 75 percent of the vertical height of the vent Any offsets used should be as far above the drafthood as possible to allow a venting action to begin before any restriction is encountered C Incorrect vent pipe Use listed BW type vent pipe Do not use tansite or any other type of ceramic pipe for venting Do not use single wall pipe When venting into a masonry chimney the chimney must be properly lined and sized for this gas furnace The use of type B or flexible chimney liner is recommended 4 Incorrect header The header plate must be 65 3 4 above the floor plate See rough in instructions plate location 5 Vent pipe not down 5 Use a base plate obtained from the vent pipe manufacturer on top of our header plate on the header plate This will lock the vent pipe down and prevent the draft diverter from shoving it up securel 6 Loose connections Check the connection on both the switch and the gas valve Tighten if necessary on the vent safety wiring harness DO NOT BYPASS THE BLOCKED FLUE SWITCH To do so could expose the consumer to property damage personal
5. ON Turn temperature control knob to desired setting usually a setting of 5 or 6 is satisfactory Close the cabinet door TO TURN OFF GAS TO APPLIANCE Open the cabinet door 3 Turn temperature control knob clockwise 7y to LO 4 Internal Outlet Pressure Regulator NOTE Knob can not be turned from PILOT to OFF unless knob is pushed in slightly Do not force Gas Control Knob Outlet Manifold Pressure Tap 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 information on the safety label If you don t smell gas go to the next step Locate the pilot Follow metal pilot tube from gas control Turn gas control knob counterclockwise wn to PILOT Push in gas control knob slightly and turn clockwise to OFF Do not force Close cabinet door Page 11 PILOT ADJUSTMENT MAINTENANCE INSTRUCTIONS Locate the pilot adjustment screw on the valve The pilot 1 Installation and repair should be done by a qualified flame should surround at least the top 3 8 of the powerpile service person The appliance should be inspected before pilot generator or thermocouple see below The pilot is use and at least annually by a professional service person unregulated so it will be operating at inlet line pressure Max More frequent cleaning may be required due to excessive 7
6. Do not enlarge ports 3 Check gas supply pressure Supply piping is inadequately sized Consult local gas utility or competent installer Close air shutter to proper setting as outlined in these instructions slight yellow tipping is allowable on L P Gas See Page 12 Eliminate drafts _ See Venting Open all manual gas valves Replace gas valve See Venting 1 Clean or replace valve 2 To correct this situation con supplying the gas 1 Re check gas input 2 Check orifice for clogging If clogged clean out the hole carefully wi act the u h a smoo Do not in any way enlarge or distort it 1 This is especially true when enlarged Have the heat loss calcula to the appliance output 70 of input Your gas company or installer can supply you with this information If appliance is undersized replace with correct size unit ility h wood toothpick a dwelling or room is ed and compare Raise setting of Temperature Dial See Lighting and Shutting Down Instructions Check supply pressure as outlined above Lower setting of temperature dial See Lighting and Shutting Down Instructions Replace combination control valve TROUBLE SHOOTING CHART AUTOMATIC PILOT amp VALVE Burner won t 1 Pilot flame too large or too small Re adjust pilot flame using adjustment on turn on combination control valve Dirt in pilot orifice Clea
7. Fired Counterflow Direct Vent Furnace 10 Years lt q lt Cozy Gas Fired Mobile Home Direct Vent Furnace 10 Years lt q 4 Cozy Gas Fired Hi Efficient Direct Vent Wall Furnace 10 Years gt lt LOUISVILLE TIN AND STOVE COMPANY S lt P O BOX 2767 LOUISVILLE KY 40201 2767 lt q a xc AAA AAA AAA AAAAAAAAAA AAAS
8. as tn Diverter Header plate of vented wall furnace Switely z Relief also acts as firestop Gas Opening FIGURE C Control Wire Combustion STEP 2 Cut out an opening between the studs of 14 3 8 x 66 1 2 above the floor FIGURE B FIGURE B 1 plate Embed the rear flange of the channel on top of header into either the drywall or the plastered wall This provides part of the required fire stop Square up and nail the header in place with the top front of header located 65 3 4 above floor plate See arrow on right side of header and Figure 1 SA and 5B on Page 7 STEP 3 Rough in 4 gas supply on center line of left stud either 4 above top of floor plate or 4 to right of left stud through floor plate See Figure located on Page 7 Page 6 ROUGH IN INSTRUCTIONS FIGURE 1 ROUGH IN DIMENSIONS 65 3 4 This measurement must be STEP 4 Remove double ceiling plate between studs Install one ceiling plate spacer across the cut out in ceiling plate Install vent pipe into position be sure to lock bottom of vent pipe into the base plate Nail second ceiling plate spacer in place See Figure C Page 6 STEP 5 If the vent continues through additional stories within the 2x4 stud space then fire stop spacers must be installed at the second and subsequent ceiling levels See Figure D Firestop spacers taken from top of floor plate Installation of B W gas vent for each subsequent ceiling or fl
9. injury or possible death Page 16 SINGLE WALL FURNACE Model Numbers W251F W252F W351F W352F W255F W355F BURNER ASSEMBLY SINGLE WALL FURNACE REAR REGISTER KIT Used on Single Wall models only Prices and specifications subject to change without notice All prices are F O B factory GRAVITY WALL FURNACE LIST PRICES JUNE 2004 DUAL WALL FURNACE Model Numbers WS501F W502F W505F W506F WFF81 C FAN KIT Used on Single and Dual Wall models THERMOSTAT NOTICE When ordering any component in the Burner Assembly specify either Honeywell or Robertshaw components REV 08 02 Page 17 HOW TO PROPERLY ORDER PARTS In addition to part description and part number please give model number serial number and type of gas used This information can be found on the rating plate that is attached to heater FRONT PANEL DOOR amp BODY ASSEMBLY WFF81 C FAN KIT FOR MODELS W25F W35F W50F Fits all Models REF PART UST PART UST PART LIST REF PART LIST PART DESCRIPTION NO NO PRICE NO PRICE NO PRICE PART DESCRIPTION NO NO PRICE Front Panel Assembly 40025 121 80 40025 121 80 40025 121 80 Fan Cabinet 13 40304 33 30 Lower Door 2 40032 9 60 40032 9 60 J 40032 9 60 FJunction Box 14 40315
10. not exceeding 45 degrees except that a vent system having not more than one 60 degree offset may be allowed Any angle greater than 45 degrees from the vertical is considered horizontal The total horizontal run of a vent plus the horizontal vent connector shall be not greater than 75 percent of the vertical height of the vent Any offsets used should be as far above the drafthood as possible to allow a venting action to begin before any restriction is encountered Page 5 ROUGH IN INSTRUCTIONS NOTE Maximum wall thickness for a dual wall W501 W502 W505 W506 installation is 5 3 8 WARNING Do not bypass the blocked flue switch To do so could expose the consumer to property damage personal injury or possible death STEP 1 Attach the base plate purchased More tian 1O ee with the vent pipe to the header plate FIGURE A le ee using two No 8 sheet metal screws through the pre punched holes The heater may not vent properly without a base plate to anchor and seal the vent system See Figure C Vent for one story y buildings lor for first floor of multi Ceiling plate spacers to story buildings center B W gas vent in Hid space nail securely Chimney at both ends Plate cut away for full mw Width of stud space to provide ventilation Studs on 16 inch centers Man Reset Blocked Flue Switch Sheet metal screw base plate to header Use manufacturer s method of fastening pipe to base plate Draft
11. 25 40379 1 30 Burner Restrictor Plate N A N A 40220 Bell Pull 26 85003 1 10 or W502F and W506F Register Assembly 27 40355 18 50 Orifice Coupling 30 N A nstallation Manual N A 84504 N C Elbow 3 8 90 Degree 31 N A FSK A Orifices 32 SEE ORIFICES FREE STANDING KIT W25 W35 only Manifold 33 84072 Floor Piate Assembly 55 40405 19 00 Pipe Nipple N A N A Right Side Assembly 56 40410 29 20 Pilot Tubing w Fittings 44 74452 Upper Left Side 57 40415 10 80 Air Shutter 35 84078 Upper Right Side 58 40416 10 80 Valves 36 SEE VALVES Upper Front 5 40418 18 30 Pilots 38 SEE PILOTS Left Side Assembly 60 40422 28 20 Pilot Generator 39 Thermostat 40 Wire Thermostat 4l Thermocouple 42 Carry Over Shield 43 Installation Instructions N A Lighting Instr Bulb N A Lighting Instr Wall N A JIKO e VALVES Ref No 36 Ref No 32 PART DESCRIPTION PART Part Desc PART LIST MODEL PART LIST PART LIST ROBERTSHAW NO DEXEN NO NO PRICE f PARTS DESCRIPTION NO PRICE ZOBOSRLC Nat 70092 f 6003H Nat 84087 34 40 W251F 84128 9 30 FQS50A1545 NAT 84639 3 20 7OOOSRLC L P 70093 J 6003H L P 84088 143 90 W252F 84127 9 30 9Q350A1867 L P 84634 3 20 7000MVRLC Nat 70090 f 6003 Nat 84085 129 20 W255F 84128 9 30 JQ350A1545 NAT 84639 3 20 7000MVRLC L P 70091 f 6003 L P 84086 137 60 W256F 84127 9 30 fQ358A1867 L P 84634 3 20 7OOOSRLC Nat 70092 f 6003H Nat 84087 134 40 W351F 84128 9 30 JQ350A1545 NAT 84642 3 20 7OOOSRLC L P 70093 J 6003H
12. 6 80 Handle Assembly 3 40033 4 40 40033 4 40 J 40033 4 40 Mofor Mounting Brk 15 40313 4 10 Body Assembly 4 39805 157 50 39805 157 50 40103 181 70 Motor 16 85110 56 20 Draft Diverter Assembly 7 40042 37 20 40045 37 10 40141 34 20 f Fon Blade 17 85115 8 10 Draft Diverter Assembly 7A N A N A N A N A 40140 34 80 J Heyco Strain Relief 18 84155 1 10 Heat Exchanger 8 40260 129 20 40265 127 10 40260 129 20 Fan Switch 19 84170 5 60 Upper Shield 9 40068 2 90 40068 2 90 40068 2 90 FWiring Diagram label 20 91147 N C Header Assembly 10 40055 25 90 40055 25 90 40150 35 00 J Fan Housing 21 40311 17 90 Lower Front Shield u 40065 13 10 40065 13 10 40065 13 10 Fan Switch Wire 48 84171 1 60 Gasket Flue Pipe 12 78050 1 10 78050 1 10 78050 1 10 Wall Mtg Bracket 49 40317 6 10 Blocked Flue Sw 350 Deg 46 84166 8 90 84166 8 90 84166 8 90 Finstaliation Manual N A 84511 N C Wiring Harness Bulb 47 84134 8 90 84134 8 90 84134 8 90 Wiring Harness Wall 47 84133 8 90 84133 8 90 84133 8 90 E C O Fitting Bulb 34 84095 6 00 84095 6 00 84095 6 00 BURNER ASSY PARTS 40542 A REAR REGISTER FOR MODELS W25 35E amp F_ SERIES ONLY REF LIST REF PART LIST PART DESCRIPTION NO PART DESCRIPTION NO NO PRICE Burner Support Assy 28 N A Damper 22 40375 2 40 Burner Steel 29 39 30 84070 Damper Spring 23 40377 1 90 Burner Steel WITH Frame Assembly 24 40365 11 60 Carry Over Tapping 29A N A 84071 Register Chain
13. E It is advised that the burner flames be checked at least twice during the heating season for any changes in burner characteristics Vacuum burner compartment at start of heating season or as often as needed Page 12 MODEL WFF81 C OPTIONAL FAN KIT INSTALLATION INSTRUCTIONS NOTE This fan kit is to be installed after installation of wall furnace and with the wall furnace front panel in place STEP 1 This appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the latest edition of the National Electric Code ANSI NFPA No 70 In Canada see the current Canadian Electrical Code CSA C22 1 STEP 2 Set fan kit on top of the wall furnace front panel Using the back top edge of the fan kit cabinet as a guide mark a horizontal line across the wall Mark a small vertical line which aligns with the slot located toward the rear of the fan kit casing STEP 3 Using the four one inch screws provided secure the wall mounting bracket to wall 1 8 below the horizontal line Fan attachment bracket must be up and threaded nut sert aligned with the small vertical line Note Anchors not provided may be required STEP 4 Remove junction box and connect 115v power supply in accordance with the wiring diagram Replace junction box STEP 5 Set fan kit on top of wall furnace front panel Slot should align with the nut sert Secure fan kit to wall mounting bracket with thumb screw pr
14. L P 84088 143 90 W352F 84127 9 30 9Q350A1867 L P 84644 3 20 7OOOMVRLC Nat 70090 f 6003 Nat 84085 129 20 W355F 84128 9 30 JQ350A1545 NAT 84642 3 20 7000MVRLC L P 70091 f 6003 L P 84086 137 60 W356F 84127 9 30 Q350A1867 L P 84644 3 20 7OOOSRLC Nat 70092 f 6003H Nat 84087 134 40 W501F 84128 9 30 JQ350A1545 NAT 95274 3 20 7OOOSRLC L P 70093 J 6003H L P 84088 143 90 W502F 84127 9 30 9Q350A1867 L P 84648 3 20 7000MVYRLC Nat 70090 f 6003 Nat 84085 129 20 W505F 84128 9 30 Q350A1545 NAT 95274 3 20 7000MVRLC L P 70091 6003 L P 84086 137 60 W506F 84127 9 30 9Q350A1867 L P 84648 3 20 Mr Contractor we only sell parts through our wholesalers but the prices listed are for your convenience For prompt parts service contact the wholesaler from which you purchased your Cozy heater NOTE Parts amp schematic drawings on current models are shown at www cozyheaters com TWO REQUIRED Page 18 AUGUST 2004 REVISED 11 22 04 IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL AND PILOT LIGHT SYSTEM FOR HEATING E UIPMENT WHAT YOU DON T KNOW CAN HURT YOU Your pilot light system has been designed for safe and reliable operation Although safety mechanisms are built in the potential for hazard exists This information is intended to help you avoid these hazards YOUR GAS CONTROL AND PILOT LIGHT SYSTEM Your gas control and pilot light s
15. Precautions should be taken so as not to place furniture drapes or other articles directly in front of grille or lower access door that would obstruct air openings as proper air flow is critical to proper operation ofunit F Any safety screen guard or casing front removed for servicing an appliance must be replaced prior to operating the appliance If the area where the appliance is to be installed contains carpeting tile or combustible materials other than wood flooring the appliance shall be installed on a metal plate a wood panel or other non combustible materials The use of ceramic or quarry tile is acceptable and will provide a surface that is easily cleaned This material is to extend the full width and depth of the appliance CLEARANCES As viewed from front of heater the minimum clearance from cabinet to combustible construction Side Wall 1 Floor 2 Ceiling 11 In selecting a location for installation it is necessary to provide adequate accessibility clearances for servicing and proper operation This appliance must not be connected to a chimney flue that serves to vent a solid fuel burning wood or coal appliance or a multi vent system gt i 1 Page 3 CONTROLS All controls are preassembled at the factory If integral snap bulb type thermostat is used make sure that sensing bulb is located on the bottom of gas valve with clips provide
16. d DO NOT KINK the connecting tubing Do not bend the capillary bulb The normal manifold pressure should be 3 5 w c on Natural Gas and 10 w c on L P Gas The maximum inlet pressure in the gas supply pipe should never exceed 14 w c on L P Gas or 7 0 w c on Natural Gas The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig The minimum inlet pressure in the gas supply pipe should be 5 0 w c on Natural Gas or 11 w c on L P Gas for purpose of input adjustment The appliance is orificed at the factory for elevations up to 2 000 feet Ifinstalled above 2 000 feet the BTU input must be reduced 4 per 1 000 feet See the following orifice chart for the proper orifice for a specific elevation A blank orifice is shipped in the high altitude kit which will have to be drilled to correct size by installer gas supplier or qualified serviceman NATURAL GAS L P GAS 1 45mm 1 45mm COMBUSTION AND VENTILATION AIR When installed this gas appliance must be provided with fresh air for combustion ventilation and dilution of hot flue gases The minimum requ
17. d flue condition which would cause combustion products to spill back into the living quarters NOTE A partially blocked inadequate or disconnected vent system may not activate the switch Discoloration of the grille is an indication ofa bad vent If this occurs the vent can be checked by a qualified serviceman using adraft gauge After 15 minutes the gauge should read between 02 up to 04 inches w c Vent must be checked at the beginning of each heating season The switch when activated on a bulb control burner will extinguish the pilot flame on a thermostat controlled burner the thermostat circuit will be broken turning off the main burner flame Before the heater can be relit the reset button must be activated See Figure B for location of the manual reset blocked flue switch To reset the switch insert a slender rigid object i e screwdriver through the front panel louvers and push the reset button down See Figure B 1 However you may have to remove the front panel then reset the switch and reinstall the front panel to relight heater Ifhomeowner experiences this problem the vent system must be checked and corrected NOTE A pre existing vent that has worked for years may not be adequate for todays design because of higher efficiency requirements that result in lower stack temperatures See Possible Causes and Corrective Action on Page 16 All type B vents shall extend in a generally vertical direction with offsets
18. e CAN1 B149 The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA No 70 In Canada see the current Canadian Electrical Code C5AC22 1 The ANSI standards are available from the American Gas Association 1515 Wilson Blvd Arlington Virginia 22209 The NFPA standards are available from the National Fire Protection Association Batterymarch Park Quincy MA 02269 Canadian standards are available from International Approval Services 178 Rexdale Blvd Etobicoke Ontario Canada M9W IR3 NOTE If optional rear register kit is to be used see supplemental installation instructions No 84504 and section marked Special Instructions for Rear Register Kit Application prior to installation of Rough In INTRODUCTION THIS IS A GAS FIRED GRAVITY VENTED WALL FURNACE THAT WILL OPERATE SAFELY AND PROVIDE AN EFFICIENT SOURCE OF HEAT WHEN INSTALLED OPERATED AND MAINTAINED AS RECOMMENDED IN THESE INSTALLATION AND OPERATING INSTRUCTIONS READ THESE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING SERVICING OR USING THE APPLIANCE IF YOU DO NOT UNDERSTAND ANY PART OF THESE INSTRUCTIONS CONSULT LOCAL AUTHORITIES OTHER QUALIFIED INSTALLERS SERVICE AGENCIES THE GAS SUPPLIER OR THE MANUFACTURER SPECIFICATIONS Your vented wall furnace comes packed in a single carton For wall thermostat models that includes the thermos
19. e hole to be 45 3 4 above the floor plate as shown in Figure 6 STEP 2 Install frame for rear register in hole and nail frame to stud as shown in Figure 7 STEP 3 Install rough in header and follow instructions for installation of regular furnace NOTE See Supplement No 84504 packaged with Rear Register Kit Plaster Hole for back i register ce Opening 7 8 from each stud 3 Nail to stud Z Stud Plaster amp P Stud Plaster Plaster S Plate annaa ee ees FIG 6 ROUGH IN DIMENSION FOR REAR REGISTER FIG 7 PLACING FRAME FOR REAR REGISTER Plate Page 9 LIGHTING INSTRUCTIONS MODELS W255F W256F W355F W356F W505F WS506F FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance has a pilot which must be lighted e If you cannot reach your gas supplier call the fire by hand When lighting the pilot follow these in department structions exactly BEFORE LIGHTING smell all around the Use only your hand to push in or turn the gas control appliance area for gas Be sure to smell next to the knob Never use tools If the knob will not push in floor because some gas is heavier than air and will or turn by hand don t try to repair it call a qualified settle on the floor service technician Force or attempted repair may result in a
20. fire or explosion WHAT TO DO IF YOU SMELL GAS Do not use this appliance if any part has been under Do not try to light any appliance water Immediately call a qualified service technician Do not touch any electric switch do not use any phone to inspect the appliance and to replace any part of the in your building control system and any gas control which has been Immediately call your gas supplier from a neighbor s under water phone Follow the gas supplier s instructions LIGHTING INSTRUCTIONS STOP Read the information on the safety label Set thermostat to it s lowest setting Open cabinet door Depress and turn gas control knob clockwise M to OFF Pilot is located on side of burner Manifold gj Pressure Tap Push gas control knob and hold in Immediatel eas Internal Manifold light the pilot with a match Continue to hold ital Pressure Regulator gas control knob in for about one 1 minute after INOTE Knob cannot be turned from PILOT to OFF unless the pilot is lit Release gas control knob and it will knob is pushed in slightly Do not force pop back up Pilot should remain lit If pilot goes out repeat steps 4 through 8 If knob does not pop up when released STOP and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier
21. imary air 1 Gas leak 2 Chimney or flue obstruction 3 Drafts around appliance 1 Pilot flame too small 2 Burner ports clogged near pilot 3 Low gas pressure 4 Pilot decreases in size when main burners come on 5 Air shutter open too far 6 Drafts around appliance 7 Bad venting Main gas off 2 Defective gas valve 1 Defective or sticking automatic valve 2 Excessive gas pressure The supply gas pressure must not exceed 1 2 psi or 14 cd C absent 1 Gas input not checked 2 Clogged orifice 1 Appliance undersized 2 Temperature dial set too low Bulb type valves 3 Incorrect su 1 Temperature dial set too high 2 Combination control valve sticks open Page 15 1 Adjust air shutter See Page 12 Reduce pilot gas with adjusting screw on combination gas control valve Remove burr or replace orifice Do not enlarge orifices _ See Flame Too Large above Adjust air shutter See Page 12 Clean main burner ports Do not enlarge ports Clean draft hood Check for dust or lint at air mixer opening and Clean flue passageways to remove blockage Adjust air shutter to increase primary air supply See Page 12 Shut off gas service immediately Check piping Call gas company See Page 1 Clean flue Eliminate drafts Check pilot orifice increase pilot gas flow if necessary by adjusting inlet pressure Clean burner ports
22. ired volume of the area where the appliance is installed should be 50 cubic feet per 1 000 btu hr If installed in an area of the home that is considered an unconfined space the natural infiltration of air around windows and doors will be adequate If the area is considered a confined space less than 50 cubic feet per 1 000 btu fresh air can be supplied by providing two permanent openings into adjoining rooms Each opening shall have a minimum free area of one square inch per 1 000 btu per hour of the total input rating of all gas appliances in the confined space but not less than 100 square inches One of the openings shall be within 12 inches of the ceiling and one within 12 inches of the floor See Figure A Ifthe home is of unusually tight construction new and remodeled homes free air must be supplied through opening s to the outdoors This can be accomplished by providing 2 permanent openings one commencing within 12 inches of the ceiling and one within 12 inches of the floor These openings shall communicate directly with the outdoors or spaces that communicate freely with the outdoors such as a ventilated attic and crawl space through galvanized or equivalent corrosion resistant ducts Exception unobstructed stud and joist spaces are acceptable ducts provided that not more than one fire block is removed Special provisions must be taken to insure that these stud and joist spaces cannot be blocked with insulation or other object
23. isted Vent Cap UL Listed Gas Vent Ventilation Louvers each end of attic Outlet Air Inlet Air Duct Ends 1 ft 300mm above floor ALL COMBUSTION AIR FROM OUTDOORS THROUGH SINGLE COMBUSTION AIR OPENING UL Listed Vent Cap UL Listed Gas Vent Opening Alternate Opening Location Page 4 FIGURE D USING ADJACENT STUD SPACE FOR ALL COMBUSTION AIR FROM OUTSIDE HOLES CONNECTING TO VENTILATED ATTIC CEILING PLATE HOLES CONNECTING TO VENTILATED CRAWL SPACE BASED ON 4 000 BTU OF TOTAL INPUT RATING OF ALL GAS APPLIANCES THE HEATER ONLY REQUIRES A MINIMUM FREE AREA OF SQUARE HOLE SQUARE BIU IN SIZE IN 25 000 6 25 E 785 35 000 8 75 15 1 76 50 000 12 50 2 3 14 VENTING This appliance must be properly connected to a venting system Consult local ordinances governing venting Install only UL listed type BW 4 oval gas vent When the vent enters the attic a listed type B 1 round flue pipe may be used See Figure 2 Page 7 Vent pipe must connect to the wall furnace header plate with a B vent base plate and terminate with a cap at a point at least 12 foot above the bottom of the wall furnace two feet above any obstacle within a 10 foot radius and at least 3 foot above the roof Provisions must be made for adequate combustion and ventilation air This appliance is equipped with a manual reset blocked flue switch designed to protect against a blocke
24. jury or loss of life NAL LP W251F W252F Follow the instructions included with the thermostat Locate the E C O W351F W352F thermostat approximately five 5 feet above the floor and four Fitting W50IF W502F feet 4 from appliance Always mount the thermostat on an FIGURE inside wall where it won t be affected by heat or cold sources such as direct sunlight televisions fireplaces hidden hot or cold water Thermostat pipes drafts etc The thermostat must never be installed in an Manual adjoining room where a door can be closed between the thermostat Reset and wall furnace This wall furnace is equipped with a self Blocked generating control system Never connect to a 24 volt transformer Flue Switch or to the household electrical system Do not use more thermostat wire than is included with the wall furnace Do not run thermostat wire in same stud space with vent Conceal wire inside wall or secure to wall with insulated staples that are included THERMOSTAT YOUR FURNACE MAY BE EQUIPPED WITH EITHER A MODELS WALL THERMOSTAT Figure 2 OR SNAP BULB BUILT NAT LP IN THERMOSTAT Figure 1 CONTROL CHECK THE W255F W256F CONTROL ASSEMBLY TO DETERMINE WHICH W355F W356F WIRING EXAMPLE TO USE WS05F WS506F Gas Valve FIGURE 2 SPECIAL INSTRUCTIONS FOR REAR REGISTER KIT APPLICATION Figures 6 and 7 line drawings of rear register opening STEP 1 Cut hole in the back wall 8 1 4 high by 12 5 8 wide The lower edge of th
25. n if this occurs This heater may be installed without recessing into stud space by using optional FSK Free Standing This unit is not approved for installation in mobile homes greenhouses or environments involving dusty Wel corrosive or explosive conditions Such conditions will invalidate the warranty and may create unsafe conditions THIS UNIT IS NOT TO BE INSTALLED IN MOBILE HOMES CONTENTS TtrOdYCHON i siessen 2 Rear Register Kit Instructions 0 0 0 0 ccceeees 9 Specifications 2 Lighting Instructions 10 11 Safety Rules 3 Pilot Adjustment 2 Clearances 3 Burner Flame Adjustment 2 COntOlS sae aeaee ea etaeiee 3 Maintenance Instructions ss 2 Combustion amp Ventilation Air 4 WFFS81 Fan nstructions s r 13 14 Venting 5 6 Trouble Shooting Chart 6 Rough In Instructions 6 Parts Drawing lt lt ote orcs nens art Aaa 7 Installat Oseere n sheets caseccssessescesess 8 Parts E E EEEE A EEEE 8 Wiring nstructions ssesseesreeereeerrreen 9 Waran e DU ree eneee ere 20 READ CAREFULLY BEFORE INSTALLING UNIT These installation instructions are a general guide and do not supersede applicable local codes and ordinances Before planning or making the installation be sure it complies with all phases of the local heating codes Or in the absence of local codes with the latest edition of the National Fuel Gas Code ANSI Z223 1 In Canada see the current installation cod
26. n pilot orifice with air or solvent do not ream Defective automatic pilot section in 3 Replace entire combination control valve combination control valve Defective thermocouple Replace thermocouple Defective combination control valve Replace valve Wall thermostat models manual reset Reset switch see Page 6 and blocked flue blocked flue switch tripped section below 1 Blockage in Check vent pipe for blockage such as bird nest wasp nest twigs leaves etc vent pipe Check inside the bottom of the vent pipe to make sure the top of the draft diverter did not rip the inner liner causing it to block part of the vent opening Check that no insulation from the header plate got caught on top of the draft diverter when the heater was inserted into the wall Check that the vent cap is properly installed not shoved too far down on the vent 2 Burner is Check the manifold pressure overfiring Check the rate NOTE This appliance was orificed for elevations up to 2 000 feet When installed at higher elevations refer to orifice chart in controls section of instructions for proper orifice size and re orifice accordingly 3 Improper vent 3 Correct vent system system A Vent too short The vent should terminate a minimum of 12 feet above the floor See Figure 2 Also the top of the vent must be at least 2 foot above any obstacle within a 10 foot radius including the roof See Figure A B Restriction in All type B
27. nd returned to ANY WARRANTY CONSIDERATIONS ARE the factory CONTINGENT ON INSTALLATION BY A THIS WARRANTY IS EXPRESSLY IN LIEU QUALIFIED INSTALLER CONTRACTOR OF ANY OTHER WARRANTIES EXPRESS OR SELF INSTALLATION IS NOT RECOMMENDED IMPLIED WHETHER WRITTEN OR ORAL ANY AND MY INVALIDATE YOUR WARRANTY IMPLIED WARRANTY OF MERCHANTABILITY OR OF If within a period of one year from the date of FITNESS FOR A PARTICULAR PURPOSE IS installation of the product any part supplied by the EXPRESSLY LIMITED TO THE DURATION OF THE manufacturer proves to be defective due to workmanship MANUFACTURER S EXPRESS WRITTEN or material it will replace such part provided parts have WARRANTY not been subjected to misuse alteration neglect or UNDER NO CIRCUMSTANCES SHALL THE accidents The term of the warranty for the heat exchanger MANUFACTURER BE LIABLE FOR ANY SPECIAL is covered in Table A below Any claim not made within INDIRECT OR CONSEQUENTIAL DAMANGES OR ten 10 days after the expiration of the warranty period EXPENSES ARISING DIRECTLY OR INDIRECTLY shall be deemed waived by the user FROM ANY COMPONENT OR FROM THE USE The manufacturer shall have no liability or be THEREOF THE REMEDIES SET FORTH HEREIN required to perform any obligation under this warranty SHALL BE THE EXCLUSIVE REMEDIES AVAILABLE unless when requested the user returns at the user s TO THE USER AND ARE IN LIEU OF ALL OTHER expense the component or product claimed defective to REMEDIES
28. oor level of multi story buildings i ee supplied by manufacturer of B W gas vent Plate cut away to provide passage of y B W gas vent Nail firestop NOTE For proper combustion make sure units are spacer securely level front to back and side to side FIGURE D Dry Wall B W Type Vent HISTED VENT INSTALLATION pew gt OT ee VENT TOP go Screw Front FLASHING Panel Di OVAL TO 5 we ROUND ADAPTER CEILING PLATE SPACERS AED PELL LL Plaster B W Type Vent 2X4 WALL STUDS Plaster Ground FIGURE 2 VENT INSTALLATION FIGURE 5B PLASTER WALL Page 7 FIGURE 4 FIGURE 5C INSTALLATION STEP 6 To place furnace into position grasp furnace and lift so furnace flue vent and header plate vent opening engage Do not use burner or gas control to liftheater Lift furnace upward and swing bottom into wall opening until legs rest on floor plate and are flush to finished wall For proper combustion level heater front to back and side to side Nail legs to studs DO NOT BEND LEGS as this will put the entire unit into a bind and cause expansion noises See Figure 3 STEP 7 A drip leg and a manual valve equipped with a 1 8 N P T plugged tapping accessible for test gauge connection should be installed immediately upstream of the gas supply connection to the appliance Some codes and ordinances require that the manual valve be loca
29. or any other appliance CRITICAL SAFETY POINTS TO REMEMBER Your gas has been odorized so that you can smell it Always smell around for gas before lighting your appliance Sniff for L P gas at floor level LP gas is heavier than air and may temporarily exist at floor level p If you smell gas do not attempt to light the pilot Do not cause a spark by turning on or off electrical switches or appliances or by using the phone Turn off the gas to the appliances and call your gas supplier from another location If your gas control has gotten wet as the result of flooding or other wetting it must be replaced immediately by a trained gas service technician Water can lead to damage of the internal safety mechanism in the gas control and can create a hazardous condition NAAN AAA AAA AA AAA AAA AAA AAD LD gt MITE WARRANTY NAZ The Louisville Tin amp Stove Co warrants to the directly from the installer If the user is unable to locate gt original user the accompanying product for the period the installer the user should write directly to the lt specified herein provided said product is installed manufacturer and the name of an alternative service source gt operated maintained serviced and used according to will be supplied lt 4 the instructions and specifications accompanying the The product safety registration card packed product AS OUTLINED IN OUR INSTRUCTIONS inside the appliance must be completed a
30. ovided Thumb vo Screw Threaded Nut Sert aoe Fan Attachment Bracket Wall Mounting Bracket One Inch Screw 4 Junction Box Fan Kit Wall Furnace Front Panel Sh hh RY SEA A AT Page 13 WFF81 C WIRING SCHEMATIC 115 VAC FAN SWITCH BLACK BLAC GREEN GROUND WIRE 115 VAC 60 HZ Less than 12 Amps If any of the original wire as supplied with this appliance must be replaced it must be replaced with type thermoplastic 105 degree C wire or its equivalent Page 14 TROUBLE SHOOTING CHART for qualified serviceman MAIN BURNER Flame too large 1 Defective operator section of gas valve 2 Burner orifice too large 1 Replace complete valve 2 Check with local gas company for proper orifice size and replace 3 in ed above 2 000 3 Refer to orific art Page 3 Flame pops back L Adjust air shutter See Page 12 Noisy Flame Yellow tip flame some yellow tipping on L P gas is permissible Floating Flame Gas Odor Delayed Ignition Failure to Ignite L Condensation of 1 Improper venting water vapor Burner won t turn off Incorrect gas input Not enough heat Too much heat 1 Too much primary air 2 Noisy pilot 3 Burr in orifice if it whistles or resonates 4 Excessibe gas input 1 Too little primary air 2 Clogged main burner ports 3 Clogged draft hood 4 Linted up air shutter 1 Blocked venting 2 Insufficient pr
31. s Each of these openings using vertical ducts shall have a minimum free area of one square inch per 4 000 btu hr of total input rating ofall gas appliances See Figure B and C Ifhorizontal ducts are used the minimum free area shall be one square inch per 2 000 btu hr of total input rating of all gas appliances Fresh make up air can also be provided through a duct to one permanent opening commencing within 12 inches of the ceiling The minimum free area of this opening shall be one square inch per 3 000 btu hr of the total input rating of all gas appliances but not less than the sum of the areas of all vent connectors in the space See Figure D When calculating the amount of fresh air needed you must include make up air requirements for the operation of exhaust fans kitchen ventilation systems clothes dryers and fireplaces Additional information can be found in the latest edition of ANSI Z223 1 National Fuel Gas Code ALL COMBUSTION AIR FROM ADJACENT INDOOR SPACES THROUGH INDOOR COMBUSTION AIR OPENINGS UL Listed Vent Cap Opening Opening ALL COMBUSTION AIR FROM OUTDOORS INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC UL Listed Vent Cap UL Listed Gas Vent _ Ventilation Louvers each end of attic Outlet Air Inlet Air Ventilation louvers for unheated crawl space FIGUREB ALL COMBUSTION AIR FROM OUTDOORS THROUGH VENTILATED ATTIC UL L
32. t push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS STOP Read the information on the safety label Open cabinet door Turn temperature control knob to LO Depress and turn gas control knob clockwise to OFF Temp Control Knob Pilot is located on side of burner C Depress gas control knob and hold in Immediately light the pilot with a match Continue to hold the gas control knob in for about one 1 minute after the pilot is lit Release gas control knob and it will pop back up Pilot should remain lit If pilot goes out repeat steps 4 through 8 If knob does not pop up when released STOP and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF and call your service technician or gas supplier Turn gas control knob counterclockwise oN to
33. tat thermostat wire and insulated staples Before installing the wall furnace check the rating plate to verify that the Model Number is correct and that the wall furnace is equipped for the type gas you intend to use BTUHr Ve 5 3 REAR REG KIT FAN KIT Input Si FINISHED DIMENSIONS VE Model Weight Model Wt SINGLE WALL FURNACE W251F Nat 12 6 1 2 Wx68 Hx6 1 2 D W255F Wall S Nat a ar 6 1 2 Wx68 Hx6 W252F P e i2 6 1 2 Wx68 Hx6 W256F Wall S JP j 2 6 1 2 Wx68 CESES W351F Nat k Jan 6 1 2 Wx68 W355F Wall Jat 1 6 1 2 Wx68 W352F aP j 12 6 1 2 Wx68 W356F Wall S B 35 4 2e 6 1 2 Wx68 DUA W501F Nat n PA 6 1 2 W W505F n2 W502F iP F i 2 Wx68 Hx6 WS506F S vP i 2 Wx68 Hx6 1 2 One or two fan kits may be used on dual wall furnace HSssekwPsss SAFETY RULES A The wall furnace should be located near the center of the house for best heat distribution B Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition D Young children should be carefully supervised when they are in the same room as the appliance E Do not place clothing or other flammable material on or near the appliance
34. ted outside the appliance STEP 8 Make gas connection using connector the same size as gas connection of furnace CHECK ALL CONNECTIONS FOR GAS LEAKS WITH LEAK DETECTOR SOLUTION DO NOT USE OPEN FLAME STEP 9 For wall thermostat units see Wiring section for thermostat connections Make sure all connections are correct and connector stems are not touching STEP 10 To fasten front panel to furnace be sure exposed portion of header is free of debris and plaster Place outer panel over furnace with top of panel about one inch above header and centered in opening Keep front panel flush to finished wall and slide down until rear flange of top outer panel is wedged tight with header and flush with wall Open bottom door of front panel and place sheet metal screw into locking latch Secure top of front panel to header plate with screw provided This will hold front panel securely to wall See Figures 5A 5B See Page 7 and 5C Page 8 CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and Manual Reset dangerous operation Verify proper operation after Blocked Flue Switch servicing Thermo couple WIRING INSTRUCTIONS GRAVITY WALL FURNACE WARNING Failure to locate the thermostat properly or to wire the furnace correctly may result in continuous operation BULB MODELS control damage or failure to operate This can cause property damage personal in
35. w c for natural gas and 11 w c for propane To decrease lint from carpeting bedding material etc It is the pilot flame turn the screw clockwise approximately seven imperative that control compartments burners pilot to nine full turns to bottom of pilot light channel until you burners circulating air passageways and venting systems produce sufficient flame at the minimum noise level of the appliance be kept clean 2 If the appliance has been equipped with the optional PILOT FLAME ADJUSTMENT WFF81 C fan kit assembly the bearings of the motor should be oiled every six months with approximately 2 drops of S A E 20 oil f 3 8 TO 1 2 INCH 3 The appliance area must be kept clear and free of any combustible materials gasoline and other flammable vapors and liquids 4 It is essential that the flow of combustion and ventilation air not be obstructed a Periodic examination of the entire ventilation system as a routine part of the safety performance check is recommended on an annual basis PILOT FLAME SHOULD ENVELOP 3 8 TO 1 2 INCH OF THE TIP OF THE GENERATOR BURNER FLAME ADJUSTMENT STAINLESS STEEL BURNER 1 FLAME TOO SOFT Yellow 2 FLAME TOO HARD Deep Blue 3 NORMAL FLAMES Flame Open air shutters until Coloration Closing air shutters yellow tipping disappears to a point where yellow tipping begins re open slightly to eliminate yellow tipping Air shutter adjustment is now correct NOT
36. ystem has a safety device whose purpose is to shut off the gas supply to the appliance if the pilot light goes out If you have trouble lighting the pilot or keeping it lit it may mean that this safety device is warning you that there is a problem with your system Inspection and repairs or replacement must be made by a trained gas service technician TAMPERING IS DANGEROUS The pilot safety system may also not work if you do not follow the lighting instructions carefully or if you tamper with the gas control that you use to light the pilot Tampering with the gas control particularly with tools can damage the safety mechanism in the control and can allow gas to leak This can result in a fire or explosion causing property damage personal injury or death IF YOU SMELL GAS DON T LIGHT IT IF YOU CAN T LIGHT IT DON T FIGHT IT BETONA LAGAL R amp I Gas AG gt Association gama THIS IS NOT AN ADVERTISEMENT 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 supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this
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