Louisville Tin and Stove 90N50A Furnace User Manual
Contents
1. 90N65A 90N75A pur T Uist rer isr rer T List cRIPTION no erce wo price xo price Heat Exchanger wiGasket 1 omen Bo 24099 same 24199 s33190f 24699 370 30 Gasket Heat Exchanger wa masso s 20 masso s4 20f asaz sso ees s720 Liner Complete Assembly 2 231 sto7 co 23980 siasoof 24380 stereo 24580 s202 90 Grill Floor s omnes suaz s0o sas sisoso 24475 s2s0so 24675 270 20 Casing Complete Assembly a 23040 sisv 90 24002 sis300 f 24402 s210 60 24602 227 10 Vision Cap Complete Assy 1e 2soss siano sao sisao 24048 sedo 24048 sraao Lighter Rod nosse sziof aso s2uof eso sao seio san Valve Rod ii sss ssmo 24035 __ss70f 24035 sso 24002 saso Washer Valve Rod iip zos si 20f 24008 st20f 24048 si20 24004 s120 Key Furnace a orans sime senes o sim ems o siae emos s120 Instruction Plate Lighting 16 oizs6 seso esse sasof eise sso mise saso Valve Rod Indicator Plate i sess sioof aes sioof 24045 sio 24045 som Drafthood Assembly wiGasket 1s mee s7as0f 2407s ss110f 24477 sesso 24676 s5850 Drafihood Gasket w Serews ro 23 samf 24077 sasof 24077 sso 2407 sis Thermostat Millivolt 74502 s20 00 74592 s20 00 74592 o s20 00 74592 20 00 Wire Thermostat 20 seus sisof rasis sisof masis sizo vasis si so St2. Introduction 2 Checking the Gas Piping Specifications 4 Thermostat Installation Safety Rules a 2 Lighting Helpful Installation Informatio 3 To Tum Off G Installation Requirements 3 Adjusting the Pilot Flam Furnace Location d Orifice Charts Fresh Air for Combustion amp Venting Adjusting the Main Burner Cutting the Floor Opening 5 Optional Operation Setting the Floor Furnace S Maintenance Installing the Draft Hood Trouble Shooting a Connecting the Vent 6 Repair Parts o Gas Supply and Piping 8 Warranty INTRODUCTION THISIS A GAS FIRED GRAVITY VENTED FLOOR 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 FLOOR FURNACESPECIFICATIONS Your floor furnace and drafthood are packed together in one master carton The carton containing the floor furnace also contains the thermostat thermostat wire insulated staples furnace key and lighter rod The drafthood is packedin its own carton within the master pack and contains screws and rope like gasket material for attaching
3. Gas Fired Vented FLOOR FURNACE Maid INSTALLATION AND OPERATING INSTRUCTIONS MODEL NUMBERS MILLIVOLT Ol 90N30A 90NS0A 90N65 90NTSA 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 inyourbuilding 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 The coating selected to provide longer life to the heat exchanger may smoke slightly upon initial firing Please provide adequate ventilation if this occurs INSTALLATION AND SERVICE MUST BE PERFORMED Y A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER WARNING 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 UNIT IS NOT APPROVED FOR INSTALLATION IN MOBILE HOMES GREENHOUSES OR ENVIRONMENTS INVOLVING DUSTY WET CORROSIVE OR EXPLOSIVE CONDITIONS SUCH CONDITIONS WILL INVALIDATE THE WARRANTY AND MAY CREATE UNSAFE CONDITIONS CONTENTS
4. CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Page9 CHECKING THE GAS PIPING CONTINUED When you have determined that there are no leaks in the gas piping system you may purge the system of air Disconnect the pilot supply tubing from the right side of the valve See Figure 12 Limit Switch Wires Turn the knob on the gas valve to the pilot position Press the knob down and hold until you smell gas at the pilot supply opening Release the knob and turn it to the off position Reconnect the pilot supply tubing and check for leaks with soap and water or liquid detergent Pilot Aajustmen WARNING When purging gas piping the area around the floor furnace must be well ventilated to allow any gas to dissipate Liquid Petroleum LP Gas is heavier than air and may puddle in low places under the floor Check thoroughly to determine that no gas is present before lighting the floor furnace Failure to do so could result in property damage bodily injury or death THERMOSTAT INSTALLATION Follow the instructions included with the thermostat Locate the thermostat approximately five feet above the floor Always mount the thermostat on an inside wall where it won t be affected by heat or cold sources such as direct sunlight televisions fireplaces hidden hot or
5. Tos much primary aie Adus air shutter See Page T2 Noisy Flame T Too much primary ai 2 Noisy pilot 3 Burr in orifice ti whistles or Excessive gas input Adjust air shuter Sec Page T2 Reduce pilot gas with adjusting screw marked pilot on combination gas control valve Sce Page 12 Remove burr or replace orifice Do not enlarge orifices See Flame Too Large above Yalow up Tame ame yellow tipping on LP gas is permissible 4 T foo Title primary ai 2 Clogged main burner ports 3 Clogged drat hood A Linted up air shut Adjust air shutter See page 12 Clean main burner poris Do not enlarge ports Clean draft hood Check for dust or lint at air mixer opening and around the shutter Fiaing fame Blocked venting Insufficient primary ae lean Tue passage ways fo remove Blockage Adjust air shutter to increase primary air supply Gar oder Chimney or vent obstruct Drafts around appliance 3 Gas leak Clean chimney or vent replace i necessary Eliminate draft See Page 1 Delayed ignition T Pilot flame too small 2 Burner ports clogged near pilot 3 Low gas pressure A Pilot decreases in size when main burners 5 Air shutter open too far Drafts around appliance Bad venting Check pilot orifice close increase plor pas Tow if necessary by adjusting at combination contol valve See Page 12 Clean burner ports Do not enlarge port Check gas supply pres
6. 000 10 000 2 000 4 000 6 000 000 10 000 NBA 38 4 42 B 44 WUNA e 33 033 54 5 NSA 30 31 3 3 35 S9OPSOA 47 49 49 50 5l NSA 26 28 29 30 30 MPSA 43 44 45 47 d JRDER KIT 49800 44 1 HIGH ALTITUDE KIT ORDER KIT 449800 44 1 HIGH ALTITUDE KIT NISA 3 36 3I B di A 51 52 5 5 54 RDER KIT 49850 22872 HIGH ALTITUDE KIT ORDER KIT 449850 2287 2 HIGH ALTITUDE KIT ADJUST THE BURN R After the floor furnace has been burning 15 minutes remove the bottom pan from the outer casing exposing the complete burner assembly Loosen the screw at the bottom side of the sliding air shutter Slide the air shutter closed until yellow tips start to appear at the top of the flame See Figure 19 75 000 BTU floor furnace has two burners both of which may need adjustment Now open the shutter slightly beyond the point that the yellow disappears and the flame burns blue See Figure 20 Airborne dust particles may cause flashes or streaks of yellow flame as they are drawn into the flame but will have no effect on the efficiency of the floor furnace If you are satisfied that the burner is properly adjusted tighten the set screw to lock the shutter in position Replace the bottom pan Check air shutter setting at least twice each season to assure that changing conditions are not causing yellow tipping Sliding Air Shutter Nailed Tubs x de Lee SES IMPROPER FLAME ADJUSTMENT CORRECT FLAME ADJUSTMENT TOURET FI
7. OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE IS EXPRESSLY LIMITED TO THE DURATION OF THE MANUFACTURER S EXPRESS WRITTEN WARRANTY UNDER NO CIRCUMSTANCES SHALL THE MANUFACTURER BE LIABLE FOR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES OR EXPENSES ARISING DIRECTLY OR INDIRECTLY FROM ANY COMPONENT OR FROM THE USE THEREOF THE REMEDIES SET FORTH HEREIN SHALL BE THE EXCLUSIVE REMEDIES AVAILABLE TO THE USER AND ARE IN LIEU OF ALL OTHER REMEDIES SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS MAY NOT APLY TO YOU SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE TABLEA Warranty for gas appliance heat exchangers only Product Cozy Gas Fired Floor Furnace Cozy Gas Fired Wall Furnace Cozy Gas Fired Vented Console Heater Cozy Gas Fired Direct Vent Heater Cozy Gas Fired Counterflow Furnace Warranty Period 10 Years 10 Years 10 Years 10 Years 10 Years 10 Years Cozy Gas Fired Counterflow Direct Vent Furnace Cozy Gas Fired Mobile Home Direct Vent Furnace Cozy Gas Fired Hi Efficient Direct Vent Wall Furnace VAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA 10 Years 10 Years AAAA TATATA ATATATATATATATATATATATATATATATA
8. PIPE 3 MINIMUM FIGURES FIGURES Page7 CONNECTING THE VENT Continued If more than one gas appliance is vented through common vent system the vent should be increased in size to accommodate the increased load Consult your local code or the tables in the latest edition of NFPASA ANSIZ223 1 for the correct size If no local codes apply use the following alternate method for sizing a vent connected to more than one appliance The effective area of the vent must be not less than the area of the largest vent connection plus 50 percent of the areas of additional draft hood outlets Typical Installation Using Class B Vent Pipe Adequate clearances around floor furnace Draft Diverter 6 from combustibles Adequate clearances around vent pipe Horizontal vent pipe sloping upward 1 4 per foot Pipe supported with metal straps 1 x 3 4 5 The homeowner appreciates neatness in deua belt o vut ete workmanship and the neat installation usually ird vedt cap functions better than the sloppy one Double check your work to verify that all clearances around the floor furnace and vent system are adequate and that the vent system is installed to code or LA 4 __ pipe manufacturers specifications See Figure 10 u GASSUPPLY AND PIPING The gas piping system must meet the requirements of local codes or the specifications of the servicing gas supplier It must hav
9. Single wall pipe must not be used Never connect the vent pipe to any chimney or vent system serving a solid fuel burning appliance 10 If another appliance is being vented through the vent system with the floor furnace the vent pipe must be increased to compensate for the additional load 11 Never install any kind of damper in the vent system 12 Do not use transite or any other type of ceramic pipe for venting 4 5 6 7 8 9 Class B double wall pipe is acceptable to most codes and if installed in accordance with the pipe manufacturers instructions provides the safest and most efficient vent system Class B pipe has an integral lock for securing sections together These locks must be properly fitted together Fasten pipe to draft hood using at least three self tapping sheet metal screws at equal intervals around the circumference of the pipe Support horizontal pipe at three foot intervals with metal strapping attached to joists The floor furnace you have selected was carefully designed to operate both safely and efficiently when vented with the proper size vent listed for each furnace on Page 2 of these instructions We do not recommend doing so but if you must vent into a masonry chimney use the following instructions Continued next page Page6 CONNECTING THE VENT Continued D SAFE FIGURE 7A RECOMMENDED FIGURE 7C If the floor furnace is vent
10. a 1 16 inch hole through the floor approximately in the center of the selected floor furnace location to use as a reference point when measuring under the floor FRESH AIR FOR COMBUSTION AND VENTING Adequate air for combustion and venting must be provided Any reduction in the necessary amount of fresh air can result in an oxygen starved flame that emits Carbon Monoxide C O an odorless colorless gas that can cause serious injury or death A ventilated crawl space will usually provide enough fresh air However you must check to see that there is 1 square inch of free area of ventilation opening for each 1 000 BTU s input of your floor furnace EXAMPLE 50 000 BTU floor furnace 1 000 50 square inches If another gas burning appliance such as a water heater is installed within the same crawl space or basement add the B T U s ofthe other appliance to those of the floor furnace before calculating the total ventilation needed EXAMPLE 50 000 B T U floor furnace plus 40 000 B T U water heater equals 90 000 B T U 1 000 90 square inches To compensate for the loss of square inches of ventilation due to the use of louvers grills or screens add approximately 50 to the square inches calculated Screen all openings with mesh not less than 14 inch to prevent animals or insects from entering the crawl space All type B vents shall extend in a generally vertical direction with offsets not exceeding 45 degrees except that a v
11. and sealing the draft hood to the floor furnace Check the model numbers on the two cartons to be sure they match MODEL NUMBER NAT GAS 90N30A 90Ns0A 90N SA 90N75A Hourly BTU Input 30 000 50 000 62 000 75 000 Width and Length 14 32 22 x32 24x38 265427 Overall Height 29 114 29 114 29 118 Overall Grille Size 163343485 24x34 267x407 Size of Floor Opening TSI DID ARE Gas Pipe Size at Furnace Ww Ww Ww Vent Pipe Size 4 a Ei Floor to Center Line of Vent 2 2 22 SAFETY RULES 1 WARNING IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE INSTALLATION AND SERVICE MUST BEPERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER KEEP BURNER AND CONTROL COMPARTMENT CLEAN SEE INSTALLATION AND OPERATING INSTRUCTIONS ACCOMPANYING APPLIANCE DUE TO HIGH SURFACE TEMPERATURES KEEP CHILDREN CLOTHING AND FURNITURE AWAY Page2 SAFETY RULES Continued 2 FOLLOW ALL APPLICABLE CODES AND ORDINANCES IF THERE ARE NONE FOLLOW THE INSTALLATION STANDARDS LATEST EDITION OF NFPASA ANSLZ223 1 A COPY MAY BE OBTAINED FROM THE AMERICAN GAS ASSOCIATION 1515 WILSON BLVD ARLINGTON VA 22209 OR THE NATIONAL FIRE PROTECTION ASSOCIATION BATTERYMARCH PARK QUINCY MA 02269 DO NOT INSTALL THIS FLOOR FURNACE IN A RECREATIONAL VEHICLE TRAILER OR MOBILE HOME 4 DO NOT OPERA
12. draft hood at the air intake area If the vent system is working properly the flame will be pulled into the air inlet of the draft hood Ifthe vent system is not working properly turn the floor furnace off immediately and refer to the installation instructions or local code for proper installation procedure AD G THE PILOT FLAME PILOT FLAME ADJUSTMENT Pilot flame should envelop 3 8 to 1 2 inch of the tip of the generator Referto Figure 17 forthe correct size pilot flame If adjustment is necessary refer to Figure 12 forthe location of the pilot adjustment screw Using a A standard screwdriver remove the pilot adjustment screw cover Inserta sio small screwdriver into the pilot adjustment screw and turn clockwise AW to 412 decrease the flame orcounterclockwise toincrease the flame If the flame is too low the safety pilot may cause all of the gas to be cut off NOTE The gas supply tothe pilotis unregulated When line pressure exceeds 7 Natural Gas or 11 L P Gas a pilot adjustment must be made BURNER ORIFICE appliance is orificed at the factory for elevations up to 2 000 feet If installed 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 FIGURE 17 NATURAL GAS L P GAS SPECIFICELEVATIONS SPECIFIC ELEVATIONS To HT 180 67 7 Mout No Un N x TOO 3 2 000 4 000 6 000
13. draft hood tight against the casing and use the 7 sheet metal screws to secure it tightly All 7 screws must be used to prevent leakage of vent gases Never install or operate a floor furnace without a draft hood To do so could result in serious injury FIGURES property damage or death CONNECTING THE VENT Refer to the specifications on Page 2 for the correct vent pipe size Familiarize yourself with local codes or contact authorities to determine the approved material and method of installing the vent NOTE An 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 Improper or unsafe venting presents a hazard that may result in property damage bodily injury or loss of life Listed below are some guidelines to observe when installing the vent system 1 Never reduce the vent pipe to a size smaller than the outlet on the draft hood 2 Never run pipe more than 15 feet horizontally The total horizontal run of a vent plus the horizontal vent connector shall be not greater than 75 percent of the vertical height ofthe vent Slope horizontal pipe upwards at least 4 inch per lineal foot Do not use more than one elbow An elbow restricts the flow of vent gases by approximately 10 noncombustible thimble when connecting vent pipe to a masonry chimney Do not insert vent pipe farther than 14 inch into the interior of the chimney
14. floor furnace is installed and before itis put into service a Page3 FLOOR FURNACE LOCATION Choose a central location such as a hallway but where occupant traffic is minimal and where there is at least 18 inches of room from two adjoining sides of the grill to the nearest wall so that occupants may pass without stepping on the grill See Figure Number 1 re ee IRN m pr 8 Minimum PE d 4 g Thermostat Bedroom 18 Minimum Living Room FIGURET FIGURE2 Give consideration to available air for combustion location in relation to chimney or vent system thermostat location clearance under floor clearance to combustibles and heat circulation Any open foundation is unacceptable as wind can cause pilot outage and reduced efficiency Keep furniture drapes doors and other combustible materials at least 12 inches from the edge of the grill Never locate the floor furnace closer than 8 inches to a wall and never in a corner See Figure 2 Two adjoining sides of the floor furnace must have a minimum clearance of 18 See Figure 1 After selecting a location in the home go beneath the floor and check the position of the floor furnace in relation to joists supporting columns electric wires water pipes and walls There must be a minimum FLOOR In order to find the location beneath the floor it may be necessary to drill
15. than air and will settle on the WHAT TODO IF YOUSMELL G 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 If you cannot reach your gas supplier call the fire LIGHTING STOP Read the information on the safety label Set thermostat to lowest setting Place the furnace key on the control rod push down slightly and turn clockwise 7to ALL OFF NOTE Control rod cannot be turned from PILOT to ALL OFF unless the control rod is pushed down slightly Control Rod 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 Remove the sight glass assembly from the opening on top of the heat exchanger Locate the pilot burner looking down through the ight glass opening Turn the control rod counterclockwise until the pointer is on PILOT department Use only your hand to push in or turn the gas control knob Never use tools Ifthe knob will not push in or turn by hand don ttry to repair it call a qualified service technician Foreq 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 tech
16. 307 so a0f 74308 soso 74309 s9 30 Wiring Harness wa 8x ss sof 74321 98 70 74322 sosof 74323 si0 00 Piezo lenior as eee ss60 70050 seo 7ooso sso 70050 ss co lgnitor Wire sap oes ssaof sess o ssa sess o ssao vaasi ss 0 Electrode as eso sso asso o seme casse sso 74350 s3 70 Bottom Burner Cover wa 24039 8 20 24039 ss 20f 24431 sino 24028 snnm Prices and specifications subject PINT421 Mr Contractor we only sell parts through our wholesalers but the prices listed above 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 to change without notice All prices are F O B factory Page 17 2 Required MARCH 2005 IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL AND PILOT LIGHT TEM FOR HEATING EQUIPMENT WHAT YOU DON T KNOW CAN HURT YOU Your pilot light system has been d avoid these hazards YOUR GAS CONTROL AND PILOT LIGHT ned for safe and reliable operatio mechanisms are built in the potential for hazard exists This Although safety intended to help you information is WHAT TO DO IF YOU SMELL GAS SYSTEM Your gas control and pilot light s a safety device whose purpose is to shut off the gas supply to the appliance if the pilot light goes out If you have tr
17. Defective automatic pilot section in combination control valve Defective Thermocouple Defective combination control valve Page 15 Tower seting of emp GEL See Lighang am SRmump Down Instructions Replace combination control valve Readjust pilot flame using adjustment screw marked ior on combination control valve See Page ID Clean pilot orifice with air or solvent do not ream Replace entire combination control valve Replace thermocouple Replace valve MODELS INCLUDED GAS FLOOR FURNACELIST PRICES 90N30A NAT n 90NSOA NAT Prices and specifications subject to change 90NGSA NAT witout notice All prices A 90N75A NAT are FO B factory Specify model number when ordering pars On ORO Gi iT OG go BURNER ASSEMBLY FOR SUNJDA 90NSOA 90NGSA 90NTSA Mir Contractor we only sell paris through our wholesalers but the prices listed are for MARCH 2005 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 Tage T6 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
18. ERE BURNS KEEP CHILDREN ed ER pa OFF PROVIDE FENCE OR REGISTER SINE HA od GUARD FOR THEIR PROTECTION Page 13 MAINTENANCE INSTRUCTIONS CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation For proper operation Floor Furnace must be kept clean At regular intervals turn control valve to off let cool remove register and clean dust and foreign material from jacket with vacuum cleaner Have the Floor Furnace checked by a qualified service technician for venting system pilot and burner operation prior to its use each year Follow a regular service and maintenance schedule for safe and efficient operation Keep flammable materials away from floor furnace area Be sure not to obstruct combustion and ventilation air TO CLEAN BURNER Remove bottom pan from outer casing Remove 2 screws from burner support bracket Remove 2 screws from pilot bracket allowing burner to slide off of manifold and out of floor furnace 4 Examine the burner If any distortion is noticed replace burner 5 Clean burner ports by inserting a toothpick in ports to remove any debris that might have accumulated 6 Inspect burner for spider webs or dust buildup during the off season If necessary wash out with garden hose 7 Re install and adjust burner SERVICE RECORD SERVICE RECORD SERVICE RECORD WARNING Do not use any kind of solvent or cleaning fluid t
19. GURE T9 FIGURE 20 Page 12 AD 3 THE BURNER Continued If difficulty in adjusting the burner is experienced it may be the result of incorrect gas supply pressure or manifold pressure Pressure can only be checked and adjusted by a trained service technician using instruments designed for that purpose WARNING Do not attempt to change pressure settings without proper training and instruments To do so may cause your floor furnace to malfunction resulting in property damage bodily injury or death The following information is provided for use by a trained service technician with measuring instruments Minimum Inlet Pressure Natural Gas 4 5 Inches Water Column Minimum Inlet Pressure Liquefied Petroleum LP Gas 11 0 Inches Water Column Maximum Inlet Pressure for Natural Gas 7 0 Inches Water Column Maximum Inlet Pressure Liquefied Petroleum L P Gas 14 0 Inches Water Column Uf the inlet pressure is found to exceed 14 0 inches water column check the performance of the control valve thoroughly as damage may have occurred If manifold pressure cannot be adjusted replace the control valve Manifold Pressure Natural Gas 3 5 Inches Water Column Manifold Pressure Liquefied Petroleum LP Gas 10 0 Inches Water Column OPTIONAL OPERATIO Your floor furnace has been designed to meet all safety requirements of the American National Standards Institute and government regulations by offeri
20. GURE TI ADDITIONAL L amp 000 Haveallconnections made at the storage tank by a licensed L P Gas installer 9 Have LP Installer check all lines piping and connections from the storage tank to the floor furnace when the floor furnace is connected tothe storage tank 10 The regulator on the storage tank should be set at 11 inches water column CHECKING THE GAS PIPING All joints must be tested for leaks by applying pressure to the piping system If the test pressure is equal to or less than 4 PSIG the floor furnace must be isolated from the gas supply piping system by closing the manual gas shut off valve on the floor furnace Ifthe test pressure exceeds PSIG the floor furnace and its manual gas shut off valve must be disconnected from the gas piping system before testing Failure to do so may result in damage to the pressure regulator in the gas valve resulting in overfiring Overfiring can result in combustion chamber failure property damage bodily injury or death Use a mixture of soap and water or liquid detergent to check each joint Leaks will be indicated by bubbles forming Correct even the smallest leak at once Since some soaps may cause corrosion or stress cracking rinse the gas piping exterior with water after testing to remove the soap WARNING Never use a match candle open flame or other method which could provide a source of ignition to test for leaks To do so may result in property damage bodily injury or death
21. HE FLOOR FURNACE WITHOUT THE SIGHT GLASS ASSEMBLY IN PLACE OR WITH THE GLASS BROKEN OR MISSING JALLY BY A QUALIFIED HELPFUL INSTALLATION INFORMATION Do not attempt to heat through more than one doorway in any direction to adjoining rooms Always over estimate the amount of heat required rather than under estimate it Always use the next size floor furnace above your actual heating requirements Seal all cracks around windows doors and attic access doors or significant heat loss will occur INSTALLATION REQUIREMENTS Listed below are steps that are part of a floor furnace installation You must see that each step is followed closely so that the floor furnace will provide maximum efficiency with safe operation YOUMUST Locate the floor furnace in the best available space for safe and efficient operation Provide fresh air for combustion and venting Cut and frame the floor opening so that the floor furnace fits properly Attach the draft hood and connect the vent pipe in compliance with applicable codes Connect an adequate gas supply to the floor furnace Select the best location for the thermostat Check and adjust the floor furnace for safe and efficient operation SPARE If you have any doubts about the correct way to install a floor furnace contact local authorities or agency or your gas supplier If local or state codes require that your floor furnace installation be inspected by local authorities do so after the
22. TE THIS FLOOR FURNACE UNLESS IT IS CONNECTED TO A PROPERLY INSTALLED AND MAINTAINED VENT SYSTEM DO NOT EXHAUST FLUE GASES UNDER THE FLOOR FOR ANY REASON 5 BE SURE THIS FLOOR FURNACE IS EQUIPPED FOR THE TYPE GAS YOU INTEND TO USE 6 LOCATE THE THERMOSTAT IN A ROOM OR SPACE THAT CANNOT BE SEPARATED BY A DOOR OR OTHER MEANS FROM THE ROOM OR SPACE IN WHICH THE FLOOR FURNACE GRILL IS INSTALLED 7 NEVER USE A MATCH CANDLE FLAME OR OTHER SOURCE OF IGNITION TO CHECK FOR GAS LEAKS USEONLY SOAPY WATER OR LIQUID DETERGENT 8 ADEQUATE AIR FOR COMBUSTION AND VENTING MUST BE PROVIDED 9 IFIT IS SUSPECTED THAT RISING WATER OR SEEPAGE MAY ENTER THE FLOOR FURNACE TURN OFF THE GAS IMMEDIATELY DO NOT USE THIS FLOOR FURNACE IF ANY PART HAS BEEN UNDER WATER IMMEDIATELY CALL A QUALIFIED SERVICE TECHNICIAN TO INSPECT THE FLOOR FURNACE AND TO REPLACE ANY PART OF THE CONTROL SYSTEM AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER 10 HAVE YOURFLOOR FURNACE AND VENT SYSTEM INSPECTED ATLEAST ANNI SERVICE TECHNICIAN 1l THEGRILLBECOMESHOT WHEN THE FLOOR FURNACEISIN OPERATION CHILDREN MUSTBE CLOSELY SUPERVISED WHEN IN THE PRESENCE OF ANY HEATING APPLIANCE CONTACT WITH BARE SKIN MAY RESULTINSEVERE BURNS KEEP CHILDREN OFF THEGRILL 12 BEFORE CLEANING OR SERVICING THE FLOOR FURNACE TURN OFF THE GAS AND ALLOW ITTO COOL THIS WILL PREVENT BURNS 13 ALWAYSLEAVE THE GRILL IN PLACE EXCEPT WHEN CLEANING OR SERVICING THE FLOOR FURNACE 14 NEVER OPERATE T
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24. aples Thermostat Wire 24 oce sep 74209 si 20 74209 s120 74209 s120 Valve VSE21A1061 Nat Gas MLV 26 7431s sisssof ass siessof sanis sioss0 74315 sisaso Disappearing Bushing 144308 a7 ocens sona szoof es s2 00 e szoo LP Conversion Kit na 9200 22 70 49210 _s2270 49220 o s2270 so330 s2270 Left Burner w Pilot Bracket 75 27 NIA NA NA wap wa Nia 74403 23 80 Right Burner 75 28 NA NA wa wa wa nia 5320 s21 80 Bumer w Pilot Brkt amp Air Adj 29 mao 22 30 zem s2230 74402 sosao o NA Pilot Generator Q313A1014 M V 31 ro09s sazo 70098 32 30 reos s3230 70098 s3230 Pilot Bumer w Orifice Q3S0A1271 N 32 ene soso resto soso eno soso seno soso Pilot Burner wOrice Qss0aiss9 LP 32 rss sosof reus soso sens soso sens soso Mounting Screws Pilot 2 33 soo sizof see st20f soior sao soror sm Pilot Tubing wFitings sa sees s7 00f saisi sroof sasa sroo esse s Burner Suppor Front 36 24036 ss 10 24036 ss10f 24030 ss 10 24036 s510 Burner Suppor Rear wa 24038 2 00 24038 o szeo 24430 52 90 24027 s340 Manifold ss cene so 70f sene soto mie sero n s2200 Bumer Orifice Natural Gas 30 _r4390 ssao saos s3aof eor o s3soferasos nan Bumer Orifice LP Gas 39 74009 s340 f 74006 saan 74607 s340 740s s340 Naming Flag 41 24068 sosof 24068 soso 24008 soso 24068 sese Limit Control 60T11 42 74306 s9 30f74
25. cold water pipe drafts etc The thermostat must never be installed in an adjoining room where a door can be closed between the thermostat and floor furnace This floor furnace is equipped with a self generating control system Never connect to a 24 volt transformer or to the household electric system Do not use more thermostat wire than is included with the floor furnace WIRE AS INDICATED See Figure 13 Step 1 Connect black limit switch wire to black thermostat wire using wire nut Nut not furnished Step2 Connect white thermostat wire to terminal on gas valve marked TH PP Step3 Connect white limit switch wire to terminal on gas valve marked TH Step4 Connect the thermostat wires to the thermostat following the instructions provided by the thermostat manufacturer LIMITSWITCH WIRES f THERMOSTAT WIRENUT Limit Switches m Thermo TERMINAL BLOCK ONGAS VALVE FIGURE 13 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 is heavier
26. e adequate capacity to supply the floor furnace and any other appliance within the home with enough gas to maintain the full rated capacities without excessive pressure drop when all appliances are operating at full rate TUBING AND PIPESIZES APACITY GASPIPESIZES CAPACITY NATURALGAS LP Tengih of Copper Tubing Steel Pipe INSIDE PIPE DIAMETER Pipe Tubing Outside Diameter Inside Diameter ur que qu Feet wr qe qur pue 132 000 27 000 29 800 TO 93 000 329 000 275 000 567 000 0 52 000 190 000 350 000 20 62 000 216 000 139 000 393 000 canas 0 73 000 152 000 285 000 wr 30 50 000 181 000 152 000 315 000 se o 63 000 130 000 245 000 per i 40 441 000 145 000 129 000 267 000 pes i 0 Seo 115 000 215 000 sc so 37 000 131 000 114 000 237 000 mae 0 50 000 105 000 195 000 so 35 000 121 000 103 000 217 000 Biss on heating value of 000 biu per cubic Toot GPEC gravity FUndilmed Liqucied Petroleum Gas IT imcher Water colum Wt of 06 05 PSIG and a pressure drop of 0 3 inch water column pressure Based on a pressure drop of 0 5 inches water column Copper tubing must comply with limitations of NATIONAL FUEL GAS CODE reference 26 3 metallic tubing Stel pipe should be of at least standard weight Schedule 40 Support the piping or tubing at regular intervals with metal pipe strapping See chart below Nominal Steel Spacing of Nominal s
27. ed into a masonry chimney the chimney must be inspected to determine that it is clear and free of obstructions and that it is safe for the intended use The inside of the chimney must be at least 6 inches in diameter or 6 inches by 6 inches if rectangular Insert the vent pipe into the chimney through a masonry or noncombustible corrosion resistant thimble of the correct diameter Do not push the pipe farther than 14 inch into the inside of the chimney See Figure 7A Pushing the pipe farther into the inside of the chimney may cause partial or complete blockage as illustrated in Figure 7B Even following these instructions you may still have a venting problem because of the larger area to be heated inside the chimney This could cause pilot outage odors coming from the furnace or noise due to excessive heat not being vented out of the combustion chamber If you experience any of these problems we recommend running the proper size B type vent pipe down the chimney and connecting to the horizontal run of vent pipe with a 90 degree elbow inside the chimney See Fig 7C Extend the vent system at least 3 feet above the point where it exits the roof and at least two feet higher than any part of the roof system within 10 feet Terminate with a listed or approved cap See Figure 9 MORE THAN Eius FEET I 0 T mE RIDGE 2 Minimum CHIMNEY OR 1 Sy MErALPIPE 27 Minimum 3 MINIMUM CHIMNEY OR METAL
28. ent 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 drufthood as possible to allow a venting action to begin before any restriction is encountered Page CUTTING THE FLOOR OPENING Consult the specification chart on Page 2 for the correct floor opening size for the floor furnace to be installed Lay out the opening size on the floor by using masking tape or cutting a piece of cardboard to the opening size The opening must be cut square If you have determined that there is nothing under the floor to interfere with the installation you are now ready to cut the opening Start by drilling 12 inch holes inside the lines of each corner Use a keyhole saw or a properly grounded saber saw to cut along the lines making sure to keep the lines straight and the corners square If the opening dimensions are not corre it may be dificult to fit the floor furnace into the opening Forcing the floor furnace through the opening may create stresses that cause the floor furnace to be excessively noisy DONT Most installation will require cutting a floor joist Cut the floor jois so that double headers of the same size lumber can be used to frame around the floor
29. furnace Double headers are necessary to maintain the strength of the floor See Figure 4 DOUBLE HEADER IF the clearance between the bottom of the floor furnace and the Furnace gt ground is not adequate dig a pit that will provide clearances of at least 6 inches under the floor furnace 18 inches on the end where Y the gas valve is located and 12 inches on the other three sides Slope the sides of the pit to prevent dirt from caving into the pit See FIGURES Faawes FLOOR FURNACE Iud Minimum idum Eel T Minimum FIGURES If there is any possibility that water may accumulate in the pit a drain must be provided Ifa drain cannot be provided fabricate a waterproof pan of at least 16 ounce per square foot sheet copper or a suitable substitute Size the pan to provide 6 inches clearance to the bottom of the floor furnace 18 inches on the side where the gas valve is located and 6 inches on the other three sides The sides of the pan must extend at least inches above the ground Anchor the pan to prevent it from floating up against the bottom of the floor furnace when water rising to seal off air for combustion and venting If this occurs carbon monoxide C O a colorless odorless gas that can cause serious injury or death may be formed SETTING THE FLOOR FURNACE Lay aside the grill and package containing the thermostat wires etc grasp two opposite side
30. ghting your appliance Sniff for L P gas at floor level LP gas than air and may temporarily exist at floor level s heavier 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 e 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 AAAAAAAAAAAAAAAAAAAAAAAAS 5 LIMITED WAR The Louisville Tin amp Stove Co warrants to the original user the accompanying produet for the period specified herein provided said productis installed operated maintained serviced and used according to the instructions and specifications accompany roduct AS OUTLINED IN OUR INSTRUCTIONS ANY WARRANTY CONSIDERATIONS ARE CONTINGENT ON INSTALLATION BY A QUALIFIED INSTALLER CONTRACTOR SELF INSTALLATION IS NOT RECOMMENDED AND MAY INVALIDATE YOUR WARRANTY If within a period of one year from the date of installation of the product any part supplied by the manufacturer proves to be defective due to workmanship or material it will replace such part provided parts have not been subjected to misuse alteration neglect or accidents The term of the warra
31. ize of Spacing of Pipe Size Supports tubing O D Supports wr 5 wr 4 Meer D ST or 3 5 Where local conditions include earthquake tornado unstable ground or flood hazards give special consideration to increased strength and flexibility of piping supports and connections Consult local authorities for recommendations All unused openings in the piping system must be securely closed gas tight Pages CONNECTING THE G Refer to Figure 11 for the basic fittings you will need at the furnace PIPING 1 Use black iron or steel pipe and fittings or other pipe and fittings that are approved by local codes 5 2 Use pipe joint compound that is resistant to the GAS VALVE action of Liquefied Petroleum L P Gas orto any other chemical constituents of the gases to be conducted through the piping only on male ME NPTPLUG eo wrenches when making the connection GROUND to the valve to keep from bending the mounting JOINT UNION bracket or manifold pipe Do not overtighten as damage to the valve can occur MANUAL VALVE 4 Provide a 1 8 nominal pipe thread NPT plugged tapping for test gauge connection immediately upstream of the gas supply connection to the SUPPLY floor furnace 5 Provide a sediment trap at least 6 inches long to irap dirt and moisture Provide space to permit cleaning or emptying 6 Use a ground joint union SEDIMENT TRAP 7 Install an approved manual shut off valve FI
32. ng two modes of operation OPTION 1 Place the furnace key on the dampercontrol OPTION 2 Turn the furnace key clockwise 7M until the rod See Figure 21 and turn counterclockwise K warningflag reading WARNING GRILL IS HOT Keep off until the warming flag is concealed and the damperis can cause burns is visible and the damper is closed The limit open Your floor furnace will now cycle on and off control will now cease to function and the floor furnace will now maintaining a moderate grill temperature and an even put out the maximum amount of heat until the room temperature room temperature Your floor furnace will function best reaches the thermostat setting Use this option only in extremely on this setting during mild weather cold weather If furnace continues to cycle on limits assure that DRINI damper door is 100 closed by adjusting damper door pin if In mild weather 2777777 necessary umo PP A ocras S 7 Furnace will cycle weather close damper S AG on and off mai which exposes warning ff Z7 taining a moderate plate Furnace will then f grill temperature Iput out maximum and an even room Jamount of heat until yp temperature room temperature Coser FIGURE2I reaches setting on wall thermostat e pusnoc mpl FIGURE 22 FLOOR FURNACE GRILLS BECOME HOT WHEN FURNACE IS IN LIMIT SWITCH OPERATION CONTACT OF BARE TEMPERATURE SETTINGS SKIN WITH GRILL MAY RESULT IN SO NP 30A 1400 SEV
33. nician to inspect thd appliance and to replace any part of the control system and any gas control which has been under water INSTRUCTIONS Pilot Pilotis located Bumer on the side of and toward control end ofbumer Locate the red piezo igniter button beside the control rod Press down on the control rod with the furnace key Immediately begin a series of pushing and releasing the red piezo igniter while observing the pilot through the sight glass opening continue to spark until pilot is lit or use the lighter rod with match Continue to hold the control rod down for about one 1 minute after the pilot is lit Iit goes out repeat steps 4 through 10 If control rod 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 tum the control rod to OFF and call your service technician or gas supplier Replace the sight glass assembly and turn the control rod counterclockwise K Wo BURNER position Remove furnace key and replace the floor grille Set thermostat to desired temperature TO TURN OFF GAS TO APPLIANC Set the thermostat to it s lowest setting Allow floor grille to cool then remove Place furnace key on control rod push slightly and turn clockwise 77Y to ALL OFF Do not force Replace floor grille Page 11 After the floor furnace has been burning for five minutes hold a match or candle under the
34. nty for the heat exchanger is covered in Table A below Any claim not made within ten 10 days after the expiration of the warranty period shall be deemed waived by the user The manufacturer shall have no liability or be required to perform any obligation under this warranty unless when requested the user returns at the user s expense the component or product claimed defective to the manufacturer for inspection to enable the manufacturer todeterm ifthe claimed defects covered by this warranty es for freight labor or other expenses incurredin the repair removal or replacement of any product or component claimed to be defective will be paid by the manufacturer to the user and the manufacturer will not be liable for any expenses incurred by the user in remedying any defect in the product Service under this warranty is the esponsibility of the installer In the event service under this warranty is needed the user of the product shall request such service directly from the installer If the user is unable to locate the installer the user should write directly to the manufacture and the name ofan alternative service source will be supplied The product safety registration card packed inside No charg RANTY the appliance must be completed and returned to the factory THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED WHETHER WRITTEN OR ORAL ANY IMPLIED WARRANTY
35. o clean your floor furnace It may leave a residue or invisible coating that will burn or smell when you turn your floor furnace on se only a damp cloth Repair service must be performed by qualified persons The floor furnace must be inspected before initial use An annual cleaning of floor furnace and safety performance check should be made by a qualified service person More frequent cleaning may be required when exposed to the excessive lint conditions due to carpeting and bedding material etc Itis imperative that the control compartment burners and circulating air passageways of the floor furnace be kept clean Any safety screen or guard removed for servicing the floor furnace must be replaced prior to operating heater Examine the entire venting system as a routine part of the safety performance check on an annual basis WARNING This is a gas fired floor furnace Keep the area clear of gasoline and other flammable vapor and liquids All combustible material must be kept clear of this area to avoid fire lor explosion SERVICE RECORD Page 14 TROUBLE SHOOTING CHART MAIN BURNER SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Flame too large 1 Defective operator section of gas valve 2 Bumer orifice too large 3 1t installed above 2 000 ft Replace complete valve Check with local gas company for proper orifice size and replace Refer to Burner Orifice Section Pg 12 Fane pops ak
36. ouble 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 stem ha TAMPERING IS DANGEROUS The pilot safety system may also not work if you do not follow the lighting instructions carefully orif 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 LIGHTIT DON AQA American Gas Association gar THIS IS NOT AN ADVERTISEMENT Donot try to light any appliance Donot touch any electrical switch do not use any phone in your building Immediately call your gas supplier froma neighbor s phone Follow the gas supplier s instructions Ifyou 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 or any other appliance CRITICAL SAFETY POINTS TO REMEMBER ell Your gas has been odorized so that you can s it Always smell around for gas before li
37. s of the outer casing and lower the floor furnace gently through the opening Support the furnace evenly by the flange at the top of the outer casing Trim back carpet padding and other types of floor covering so that the entire flange rests directly on the floor If not evenly supported on all four sides stresses may be created that cause excessive expansion and contraction noises as the floor furnace heats and cools Anchor the floor furnace in place by driving two galvanized roofing nails through each side of the outer casing into the double headers approximately 1 inch below the flange Place the grill into position making sure it lays flat against the outer casing flange Leave the grill in place until time to light the furnace to keep occupants from falling into the furnace Pages INSTALLING THE DRAFT HOOD The draft hood must be installed in the same atmospheric pressure zone as the combustion air inlet The draft hood is packed in its own carton within the master pack Make sure the draft hood received is the correct one for the floor furnace being installed Included in the carton are two rope like gaskets and 7 sheet metal screws Begin by pressing the rope like gasket material into the groove provided around the two male vent outlets on the floor furnace See Figure 6 Slip the two female couplings in the draft hood over the male outlets extending through the outer casing making sure the gaskets remain in place Press the
38. sure Supply piping is inadequately sized Consult local gas uty or competent installer Close air shutter to proper setting as outlined in hese instructions light yellow tipping is allowable on LP gas Eliminate drafts See Venting Falls To Tae Main gas oi Defective gas valve Open all manual pas Vales Replace gas valve EEA Tmproper venting See Venting Bumer won t um off Defective or sticking automatic valve Excessive gas pressure The supply gas pressure must not exceed 1 2 psi or 4 water column Clean or replace valve To correct this situation contact the utility supplying the gas IRRcD pa pur Tas input not checked Clogged orifice Teck p Tap Check orifice for clogging If clogged clean out the hole carefully with a smooth wood toothpick Do not in any way enlarge or distor it enough ar T Appliance unde 2 Thermostat set too low 3 Incorrect supply pressure This is especially tue when a dwelling oF oom Tr enlarged Have the heat loss calculated and compare to the appliance output 70 of input Your gas company or installer can supply you with this information If appliance is undersized replace with comect size unit Setting of thermostat Sce Lighting and Shutting Down Instructions Check supply pressure as outlined above T Thermostat set Too gh 2 Combination control valve sticks open Pilot flame too large or too small Din in pilot orifice
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