Williams 2903512 User's Manual
Contents
1. FLAME VIEW LAMP GREEN LAMP LOCK OUT LAMP RED LAMP CURRENT TRANSFORMER 120 24 V RESET AND SUMMER WINTER SWITCH HI LO FLAME AND FAN SPEED SWITCH MANUAL PROGRAM MODE SWITCH PROGRAMMABLE TIMER ROOM THERMOSTAT SUPPLY LINE LIVE WIRE SUPPLY LINE NEUTRAL WIRE SUPPLY LINE GROUND WIRE Operating Instructions Before operating the furnace read carefully all warnings and safety information in this manual FOR YOUR SAFETY READ BEFORE OPERATING 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 does not have a pilot which must Follow the gas supplier s instructions be lighted by means of the piezo igniter installed If you cannot reach your gas supplier call the fire on the fumace Do not try to light the pilot by department hand C Use only your hand to push in or turn the gas control BEFORE LIGHTING smell all around the knob Never use tools If the knob will not push in or appliance area for gas Be sure to smell next turn by hand do not try to repair it call a qualified to the floor because some gas is heavier than service technician Force or attempted repair may result air and will settle on the floor in afire or explosion WHAT TO DO IF YOU SMELL GAS D Do not use this appliance if any part has been under Do n2. EV2 EV1 Point 13 TR No inlet voltage 120 V Check 5 pole connector and control box If everything is okay replace the connector No outlet voltage 24 V during ignition Check wiring and connections If everything is okay replace the transformer Point 14 EV1 Valve closed during ignition Z2 down Check wiring connections and voltage If everything is okay replace the gas valve Point 15 RP7 No spark during ignition Check electrode wiring and connections If everything is okay replace the flame control box Point 16 RP8 No flame sensing Check flame sensor wiring and connections Check gas pressure and exhaust flue pipe If everything is okay replace the flame control box Point 17 EV2 No voltage on EV2 with Z2 up Check wiring and connections If everything is okay replace the switch Valve closed with voltage with Z2 up Check wiring connections and voltage If everything is okay replace the gas valve Starting Sequence Gas Check and clean exhausted flue pipes Check and clean air blower and fan motor Check and clean burner and combustion chamber Check and clean gas nozzle Check gas type Check supply gas line pressure see the manual Check gas losses Set burner gas pressure see the manual 1 2 3 4 5 6 f 8 21 Replacement Parts TR 120 24V Transformer Part Number JTRSO17 Ignition Control Box Part Number JCNT019 NP
3. Pressure Switch Part Number JPRSOO9 Z9 Room Thermostat Part Number JTLTO05 Z1 Reset and Summer Winter Switch Part Number NTSTOOO Z8 Z3 Timer and Manual Program Mode Switch Part Number N19800202 Z2 Hi Lo Flame and Fan Speed Switch Part Number N19800201 Electric Box Part Number SF SB Green and Red Lamps ELMP006 ELMP007 Part Number Z8 Timer E PRG005 Gas Burner and Gas Nozzle Part Number JPRT011 Natural Gas Nozzle Part Number JGLLO69 LP Gas Nozzle Part Number JGLL062 EV1 2 Min Max Gas Valve Part Number GVLV022 22 RP8 Flame Sensor Part Number JLT T1015 RP7 Spark Igniter Part Number JLTT023 2 pieces S Combustion Blower Motor Part Number JMTRO20 M1 Overheat Thermostat Part Number JTRMO06 M2 Fan Thermostat Part Number J12301018 Fan Blades Part Number 4 Pieces VVNT003 VVNTO0O2 M Fan Motor Part Number 2 Pieces JMTRO18 Y WI LLIAMS Williams Furnace Co 250 West Laurel Street Colton CA 92324 U S A
4. it must be converted a wa It will be necessary to do the following 1 Change nozzle a Remove the screw indicated to the right OO 2 Without removing anything else remove the nozzle from the burner inserting the screwdriver as indicated by the arrow Nozzle 3 Change the nozzle attach the screw indicated at point 1 and set the burner pressure as indicated in the table below Gas Type Nozzle Part Number Nozzle Diameter Natural Gas JGLLO69 JGLLO62 Gas Tue Minimum Inlet Line Gas Maximum Minimum LSS ype Pressure Manifold Gas Pressure Manifold Gas Pressure Natural Gas 14 0 inches w c 10 6 inches w c 4 Check the gas pressure and settings Minimum Burner Pressure Setting 1 Set LOW burner capacity by pressing button Z2 2 Connect a micro manometer to the test gauge B Figure 8 3 Rotate the internal screw D Figure 8 and set the pressure at the correct value Maximum Burner Pressure Setting 1 Set HI burner capacity by pressing button Z2 2 Connect a micro manometer to the test gauge B Figure 8 3 Rotate the external screw C Figure 8 and set the pressure at the correct value Gas Supply Check all local codes for requirements especially for the size and type of gas supply line required On natural gas lines less than 15 380 mm long use 1 2 tube on longer runs use 3 4 iron tube or equal On LP gas lines consult LP gas supplier Installing a New
5. Main Gas Shutoff Valve Each appliance should have its own manual gas shutoff valve A manual main gas shutoff valve should be located in the vicinity of the furnace Where none exists or where its size or location is not adequate contact your local authorized installer for installation or relocation Compounds used on threaded joints of gas piping must be resistant to the action of propane LP gas The gas lines must be checked for leaks by the installer This should be done with a soap solution watching for bubbles on all exposed connections and if unexposed a pressure test should be made Repair all leaks prior to operating the furnace Never use an exposed flame to check for leaks Appliance must be disconnected from piping at inlet of control valve and pipe capped or plugged for a pressure test Never pressure test with appliance connected the control valve will sustain damage A gas shutoff valve and ground joint union should be installed in the gas line upstream of the gas control to aid in servicing It is required by the National Fuel Gas Code that a drip line be installed near the gas inlet This should consist of a vertical length of pipe tee connected into the gas line that is capped on the bottom in which condensation and foreign particles may collect The use of the following gas connectors is recommended ANSI 221 24 Appliance Connectors of Corrugated Metal Tubing and Fittings CGA 6 10 ANSI 221 45 Assembled Flexible Appl
6. Some Points to Remember e Learn to recognize the odor of LP Gas Your local LP Gas Dealer can give you a Scratch and Sniff pamphlet Use it to find out what the propane odor smells like If you suspect that your LP Gas has a weak or abnormal odor call your LP Gas Dealer e If you are not qualified do not light pilot lights perform service or make adjustments to furnaces on the LP Gas system If you are qualified consciously think about the odor of LP Gas prior to and while lighting pilot lights or performing service or making adjustments e Sometimes a basement or a closed up house has a musty smell that can cover up the LP Gas odor Do not try to light pilot lights perform service or make adjustments in an area where the conditions are such that you may not detect the odor if there has been a leak of LP Gas e Odor fade due to oxidation by rust or absorption on walls of new cylinders and tanks is possible Therefore people should be particularly alert and careful when new tanks or cylinders are placed in service Odor fade can occur in new tanks or reinstalled old tanks if they are filled and allowed to set too long before refilling Cylinders and tanks which have been out of service for a time may develop internal rust which will cause odor fade If such conditions are suspected to exist a periodic sniff test of the gas is advisable If you have any question about the gas odor call your LP Gas dealer A periodic sniff test of the LP Gas
7. connection provided on the gas valve Figure 8 The furnace comes set from the factory at the correct manifgld gas pressure After the installation is completed the gas manifold pressure must be checked both in Hi and Lo input The gas manifold pressure must be as shown in the Technical Data Differences of plus or minus 0 1 in w c are accepted If the Hi or Lo gas manifold pressures are different from the values given in the Technical Data table or are more than 0 1 in w c shut off the furnace and contact a qualified service technician for correction For instructions about adjustment of the manifold Hi and Lo pressures see the Servicing section After checking the gas manifold pressure disconnect the test gauge and firmly tighten the screw of the gauge connection and then check for gas leaks from it Test Gauge Connection for Gas Inlet Pressure Test Gauge Connection for Gas Manifold Pressure Nut for Hi Pressure Adjustment Pressure Regulator Screw for Lo Pressure Adjustment Hi Lo Operator Electric Clamp Connection Electric Cable Inlet Hole for Gas Supply Inlet T I OMO OU gt Flame View Electrical Wiring GAS VALVE 1 SAFETY SHUTTER HI LO FLAME OPERATOR FAN MOTOR n 2 MOTORS ON 8001 8002 OVERHEAT THERMOSTAT FAN THERMOSTAT MAINS FUSE 5X20 size 4A PRESSURE SWITCH FLAME SENSOR SPARK IGNITER n 2 pcs COMBUSTION BLOWER MOTOR
8. directly above a sidewalk from the centerline of the terminal 18 inches 46 cm or paved driveway which is located between two Ue single family dwellings and serves both dwellings E Clearance to unventilated soffit 12 inches 30 cm 2 Only permitted if veranda porch deck or balcony is minimum clearance to vinyl soffit 36 inches 90 cm fully open on a minimum of two sides beneath the minimum floor F Clearance to outside corner 12 inches 30 cm As specified in CGA B149 installation codes 1991 minimum G Clearance to inside corner 18 inches 46 cm minimum ae Local codes or regulations may require different clearances H Not to be installed above a meter regulator assembly within 3 feet 90 cm horizontally from the centerline of the regulator 8 Clearance to service regulator vent outlet 6 feet 1 8 m minimum J Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other furnace 12 inches 30 cm minimum Outside Location for Vent Terminal Upon delivery check to make sure the packaging has not been damaged 1 Remove the furnace from box packaging taking care not to damage the paper template to be used to mark the holes for mounting the furnace After marking the appropriate holes using the above mentioned template make a 2 inch diameter hole Cut the combustion exhaust and fresh air inlet tubes according to the wall thickness Figure 2 Air Inlet Tube Length Wall T
9. for Monday etc To set the desired time press the Hours Selection h Figure 10 E button to set the hour and the Minute Selection 1234567 m Figure 10 F button to set the minutes for example 09 03 The time is set using military time 0 1 C Press the Program Selection Figure 10 C The right side of the display will show a number 2 without the light symbol The OFF time may now be set 1234567 1 04 B 17 NOTE G Press the Day Setting 1 7 Figure 11 D button to program another day or block of days To set further programs repeat steps item B through D above When the same ON and OFF times are desired for different days of the week the setting procedure may be simplified 1 2 3 4 5 from Monday through Friday 1 2 3 4 5 6 from Monday through Saturday 1 2 3 4 5 6 7 from Monday through Sunday 6 7 Saturday and Sunday To avoid undesired operation verify that the programs do not overlap one another You can check the settings by pressing the Program Selection button Figure 10 C Move the Setting Regulator switch to the RUN position center The display will show the current day and time IMPORTANT All the programs set will be activated ONLY the day after the setting has been carried out During operation the ON status of the timer is shown on the display with the Xt symbol on the right end When the x symbol does not appear the timer is OFF Cancelling a Single Program To canc
10. gas supplier to check the composition of the gas in use Annual Maintenance Requirements 1 Clean fan blades 2 Clean air blower 3 Check and clean silicone red pipes 4 Check air flow switch 5 Clean and check exhaust flue pipe and air intake pipe Check red O Ring Gasket NRNGOO3 If it is damaged replace it 6 Check for gas leaks on all connections 7 Check and adjust gas pressure Gas inlet pressure Gas pipeline manifold pressure burner Gas burner pressure adjustment Programmable Timer The programmable timer allows precise operating and timing control and is standard on this furnace Figure 10 Overview The programmable timer has the following features Monday Friday Monday Saturday Monday Sunday Saturday Sunday QL Nn Am A S B I AUTO O RUN O cy x Long life lithium battery Daily and weekly programs One minute minimum switching time Quick progression Sixteen programs 8 on and 8 off Days of the week and hours of the day selection Programmable day blocks 1 2 3 4 5 1 2 3 4 5 6 1 2 3 4 5 6 7 6 7 E Figure 10 C D KEY A On Off Switch Pos Pos AUTO Pos O B Setting Regulator Switch Pos CO Pos RUN Pos C Program Selection D Day Selection E Hours Setting F Minutes Setting G SKIP Button R Reset Button 25 4 5 6 7 The appliance is controlled by the room thermostat The appliance is controlled by both the timer and th
11. Attach the furnace to the matching hooks A with light pressure against the wall Install the heating body of the furnace to the supporting bracket with the two lateral screws Figure 4 Front panel O Ring Gasket Figure 5 cod IM14007 A DETAIL MATCHING HOOKS cod IM14124 12 When the inside installation is complete proceed to the outside location of the aluminium vent cap on the external wall The vent cap should perfectly match the pipe end Mark the location of the three holes for the screw anchors Figure 7 The flue grid must be vertical 13 Remove the vent cap and drill all the necessary holes diameter 1 4 in for the screw fittings provided with the furnace 14 Position the vent cap and attach it with the screws Figure 7 15 Connect the female end of the three prong plug to the furnace connection on the bottom of the furnace 16 Connect the gas supply line A gas tap must before the connection to the furnace must be installed 17 Reattach the front panel Figure 4 18 Reconnect the grounding wire to the casing and reinstall the casing then tighten the screws 19 Turn on gas supply and check for gas leaks with soapy water on all gas connections Seal any leaks prior to operating the furnace Gas Conversions Converting to another gas type must be performed by a qualified service technician If the type of the gas supplied to the dwelling is not the same type as your furnace natural or LPG gas
12. G9 WILLIAMS MODEL Natural Gas 2903512 Propane Gas Installation Instructions and Owner s Manual 2903511 Direct Vent Wall Furnace WARNING Improper installation adjustment She eae alteration service or maintenance can cause WARNING If the information in this injury or property damage Refer to this manual is not followed exactly a fire manual For assistance or additional or explosion may result causing information consult a qualified installer property damage personal injury or service agency or the gas supplier 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 e Open all windows WARNING Installation and repair must be done by a qualified service person The furnace should be inspected before use and at least annually by a professional service person e Do not try to light any appliance e Do not touch any electrical switch e Do not use any phone in your building e Extinguish any open flame WARNING If not installed operated and e Immediately call your gas pound maintained in accordance with the from a neighbor s phone Follow manufacturer s instructions this the gas supplier s instructions product could expose you to substances in e If you cannot reach your gas supplier fuel or from fuel combustion which can cause call the fire department death or serious illness and which are k
13. bleshooting Starting Sequence Electrical Mg Li m Step 1 1 Check L1 L2 Supply 120 V 60 Hz 2 Check M9 Main fuse Troubleshooting Step 1 Point 1 L1 L2 GND No voltage 120 V Check the electrical supply line wiring and Y 120V connections T Point 2 M9 Fuse damaged z3 Check the electrical supply line and replace the fuse Summer Mode Step 2 3 Check Z1 Reset summer winter switch The switch is closed if there is no ignition block 4 Check Z2 Hi Lo flame and fan speed switch Button down Minimum velocity Button up Maximum velocity Troubleshooting Step 2 Point 3 Z1 Z1 is open and no ignition Check wirings and connections If everything is okay replace the switch Point 4 Z2 Z2 is down but the fan motor runs at the maximum velocity 120 V Z2 is up but the fan motor runs at the minimum velocity lt 120 V Check wiring and connections If they are okay replace the switch Winter Mode Step 3 5 Check Z1 Reset summer winter switch Button up winter mode 6 Check Z3 Manual automatic switch Button up manual mode Button down automatic mode 7 Check M2 Fan thermostat The thermostat is closed only when its temperature is higher than 104 F Troubleshooting Step 3 Point 5 Z1 Z1 is open and no ignition Check wiring and connections If everything is okay replace the switch Point 7 M2 i M2 is closed and fan thermostat te
14. ces from combustible materials e Furnace to the top surface of carpeting tile External Vent Cap 2 inches 50 mm Part Number WFR TRMO000 e Furnace to back wall 0 to spacers Flanged Air Inlet Tube 0 inch 0 mm Part Number WFR TBOOO2 e Vent to wall enclosure O Ring 0 inch 0 mm Part Number WFN RNGOO3 Flue Outlet Tube e F i lls urnace to sidewalls Part Number WFR 795 3 15 inches 80 mm e Furnace to ceiling 10 inches 254 mm All the above items are supplied with the furnace See Figure 1 showing clearance for installation of vent cap Leave at least three feet in front of the wall furnace for servicing and proper operation The wall furnace must be installed in such a way that the external casing can be completely removed for servicing lf there is a shelf above the furnace it must be be noncombustible A minimum clearance of 12 inches 300 mm is recommended between the furnace and the noncombustible shelf above it Gas equipment in residential garages must be installed so that all burners and burner ignition devices are located not less than 18 inches 460 mm above the floor Such equipment must be located or protected so it is not subject to physical damage by a moving vehicle The vent terminal of this direct vent furnace must be located at least 9 inches 230 mm from any opening through which flue gases could enter a building The bottom of the vent terminal and the air intake must be located at l
15. e room thermostat The appliance is turned off Time setting Normal operating mode the display shows the current time Setting of programming Setting and Adjustment 1234567 Initial Conditions A Set the Setting Regulator switch Figure 10 B in RUN position center Press the Reset button R The display will flash 1234567 B With the Setting Regulator switch selector in position right press the Reset button R the display error EEE will appear Move the Setting Regulator switch Figure 10 B to the RUN center position The display will disappear 1234567 C If the Setting Regulator switch Figure 10 B is moved to position the display is frozen D If the Setting Regulator switch Figure 10 B is moved to RUN position the display is 1234567 frozen with the colon flashing E If the Setting Regulator switch Figure 10 B is moved to position right the display is flashing lt 1 1 1234567 Manual Operation Move the On Off switch Figure 10 A to the position left e The symbol of a light X will appear on the display In this condition the heater is controlled by the furnace thermostat and is independent of the timer program Move the On Off switch Figure 10 A to the O position right e The symbol of the light X on the display will disappear In this condition the furnace is turned off Move the On Off switch Figure 10 A to the AUTO position center e The program function is activated The fu
16. e seas eeaeeeeaeeenaeens 14 EFI Cat OVOR MOVNO F AIS 5 cscs Se crc cee ssonctoteeced a ghastyirntcrtodtendcee ee staat ee tea pons aande ait aloe cae bite dee elnneeade ae sectoateaetadaencmes onan 14 Flame Vistial GMeCk ssscseniuevsnecaucthenchadeasir a ERN aaea E a A idteemnetore 14 Annual Maintenance Requirements nnnnaannnnaannnnnnnrnnrnnrnnnrrrrrnrrrrrnnrerrnrrrrrnrrrrrnnrrrrnrerrrnrrrrennrrrrnrrrrsnrrrrennerr 15 Programmable Timer VEION aa E E AA OO Se re ee E E TT eee ere 16 SEUN nC SMG at aioa a aN E aaa a T a E E 17 Troubleshooting HANG S CQUCNCE yian E a OA E a r T E T 19 Replacement Parts eoan inan a a a E E EA EE EEE E A 22 General Information and Technical Data This furnace is design certified to ANSI Z21 86 2004 CSA 2 32 2004 Gas Fired Gravity and Fan Type Direct Vent Wall Furnaces as a Fan Type Direct Vent Wall Furnace to be installed on an outside wall according to these instructions Any alteration of the original design installed other than as shown in these instructions or used with a type of gas not shown on the rating plate is not permitted Instructions to Installer Installation and repair should be done by a QUALIFIED SERVICE TECHNICIAN The installation must conform to local codes or in the absence of local codes the installation must conform to the National Fuel Gas Code ANSI Z223 1 NFPA 54 Natural Gas and Propane Installation Code CSA B149 1 Mobile Manufactured home installations must con
17. east 12 inches 300mm above grade DO NOT cover the furnace Make sure that the correct gas supply is available The furnace requires a 120V 60 Hz electrical supply The furnace must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 latest edition or in Canada with CAN CSA C22 2 No 3 WARNING The nearest point of the vent cap should be a minimum horizontal distant of six 6 feet 1 830 mm from any pressure regulator In case of regulator malfunction the six 6 feet 1 830 mm distance will reduce the chance of gas entering the vent cap Inside corner detail Figure 1 1 Fixed Closed 2 Openable V Vent Terminal A Air Supply A Clearance above grade veranda porch deck or K Clearance to a mechanical air supply inlet 6 feet 1 8 m balcony 12 inches 30 cm minimum 3 minimum B Clearance to window or door that may be opened 12 L Clearance above paved sidewalk or a paved driveway inches 30 cm minimum located on public property 7 feet 2 1 m minimum C Clearance to permanently closed window minimum 12 M Clearance under veranda porch deck or balcony 12 inches 30 cm recommended to prevent condensation inches 30 cm minimum on window D Vertical clearance to ventilated soffit located above the Notes terminal within a horizontal distance of 2 feet 60 cm 0 A vent must not terminate
18. eaves or nests The vent air intake system is checked from outside Proceed as follows 1 Remove the vent cap by removing the three outer screws Figure 7 2 Remove the inner flue pipe Do not use tools the pipe can be extracted by hand 3 Remove dust and desposits from the vent cap and flue pipes Deposits in the air pipe must be taken outside Do not push them inside the furnace The outer air pipe may not be removed from outside 4 Check the O ring gasket in the flue pipe If it is damaged in must be replaced Part No WFN RNGOOS3 Reinstall the flue pipe from outside Do not use glue or sealants Reinstall the vent cap on the flue pipe Do not use glue or sealants Tighten the three outer screws Lubrication of Moving Parts This furnace does not require lubrication Do not try to lubricate any part of the furnace such as motors bearings keys Knobs screws etc Flame Visual Check Correct and proper operation of the burner may be checked by examinng the burner flame Check the burner flame anytime the external casing is removed from the furnace The flame may be examined through the flame viewer Figure 8 The flame must be stable and have blue color Some small yellow tips are acceptable with propane gas If the flame is yellow or has excessive turbulence check the gas manifold pressure and the vent air intake system If all these are acceptable call a qualified service technician for a complete check of the furnace Call also your
19. el a single program A C Move the Setting Regulator switch Figure 10 B to the Figure 10 C position right 1234567 Press the Program Selector Figure 10 C button and select the program to be Simultaneously press the Program Selector Figure 10 C and SKIP button 3 gt Figure 10 G for at least 2 seconds The selected program will be cancelled Verification that program has been cancelled is the continual blinking of 0 00 Cancelling of all Preset Programs To cancel all the preset programs press the Reset button R for at least 2 seconds All the preset programs will be cancelled Using the Skip Function To skip a program A B Move the Setting Regulator switch in the RUN position center 1234567 Press the SKIP button 4 Figure 10 G The next program will be activated as 1 J 7 1 6 programmed The SKIP symbol gt Figure 10 G is shown on display The SKIP command may be stopped by pressing the SKIP button Figure 10 G 1234567 The preset program will restart and SKIP symbol 4 Figure 10 G will disappear from the display 1 5 1 6 Skip Function Procedure During Operation A B C The SKIP function can be activated only in RUN mode The SKIP function starts immediately after the pressing the SKIP button and disappears when next program starts The SKIP function can be stopped manually by pressing the SKIP button and the preset program will be activated Trou
20. f 4 percent for each 1 000 feet 305 m above sea level by reducing the manifold pressure at a rate of 8 on the gas supply Maximum altitude allowed for installation is 5 500 feet 1680 m High Altitude Adjustment Based on the altitude of the installation site reduce the manifold pressure specified in the Technical Data chart and as shown in the table below Manifold Pressure attitude Reduction Rate 4 000 5 000 fi 5000 5500 fi 3 000 4 000 f First Firing of the Furnace Start the furnace following the instructions given in the Operating Instructions The initial pilot lighting may be difficult due to air trapped in the gas lines During initial firing of the furnace residual manufacturing grease will bake out and smoke will occur which is not a health danger To prevent nuisance and operation of fire alarms ventilate the room for the first two hours of operation Checking the Gas Inlet Pressure The gas inlet pressure can be measured by connecting a test gauge to the connection provided on the gas valve Figure 8 A Once installation is complete the gas inlet pressure must be checked The minimum gas inlet pressure must be as shown in Technical Data After checking the gas inlet pressure disconnect the test gauge and firmly tighten the screw of the gauge connection then check for gas leaks Checking the Gas Manifold Pressure The gas manifold pressure can be measured by connecting a test gauge to the
21. form with the Manufactured Home Construction and Safety Standard Title 24 CFR Part 3280 or when such a standard is not applicable the Standard for Manufactured Home Installations ANSI A 225 1 NFPA 501A Mobile Home Standard CAN CSA Z240 MH Series in Canada Installer must leave instruction manual with the home owner after installation Installer must show home owner how to start and operate furnace and thermostat Installer must provide a 1 8 inch NPT plugged tapping for test gauge connection immediately upstream of the gas supply connection of the furnace During initial firing of the furnace residual manufacturing grease will bake out and smoke will occur which is not a health danger To prevent nuisance and operation of fire alarms ventilate the room for the first two hours of operation WARNING Any change to this furnace or its controls can be dangerous This is a heating appliance and any panel door or guard removed for servicing this furnace must be replaced prior to operating the furnace Safety Rules and General Warnings DO NOT OPERATE THIS FURNACE WITHOUT THE FRONT PANEL INSTALLED Due to high temperatures the furnace should be More frequent cleaning may be required due to excessive located out of traffic and away from combustible lint from carpeting bedding materials etc It is imperative materials such as furniture and draperies that control compartments burners and circulating air Children and adults should be aler
22. hickness 3 32 inch Flue Outlet Tube Length Wall Thickness 1 5 16 inches Figure 2 A 1 5 16 A 33 3 mm cod IM14001 4 Drill the mounting holes A 8 holes in the wall If possible use self tapping screws drill 1 8 inch diameter holes If self tapping screws cannot be used drill 1 4 inch diameter holes and use the plastic anchors provided 5 Install the supporting bracket to the wall insert the air pipe in the wall through the hole provided in the support bracket Place the round adhesive gasket around the hole so that the air pipe remains in its position 6 Attach the supporting bracket with the screws provided If possible use self tapping screws drill 1 8 inch diameter holes If self tapping screws cannot be used use the plastic anchors provided Remove the casing loosening the screws and disconnect the casing grounding cable Place the adhesive spongy lining behind the furnace Figure 3 Figure 3 A support bracket i i em adhesive gasket y fo NN air inlet pipe cod IMi4 9 Attach the flue exhaust flue pipe end diameter 1 3 8 on the furnace pipe male connection Figure 5 BE SURE THAT THE RUBBER SILICONE O RING GASKET IS IN POSITION 10 Remove the front panel by loosing the lateral screws Figure 4 11 Install the furnace to the wall leaning the bottom edge of panel C where the fan is located on the supporting frame as shown in Figure 6
23. iance Connectors of Other than All Metal Construction The above connectors may be used if accepted by the local codes or authority having jurisdiction Pressure Testing of the Gas Supply System 1 To check the inlet pressure to the gas valve a plugged tapping accessible for test gauge connection is provided on the gas valve Figure 8 2 The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of in excess of 1 2 psig 3 5 kPa 3 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 3 5 kPa Attention If any of the above procedures results in pressures in excess of 1 2 psig 14 w c 3 5 kPa on the appliance gas valve it will result in a hazardous condition High Altitudes U S Only For altitudes elevations above 2 000 feet 610 m ratings should be reduced at the rate of 4 percent for each 1 000 feet 305 m above sea level by reducing the manifold pressure at a rate of 8 on the gas supply Maximum altitude allowed for installation is 5 500 feet 1680 m High Altitudes Canada Only The appliance is tested according to CGA 2 17 M91 for installation between 0 and 4 500 feet 0 and 1370 m altitude For altitudes elevations above 2 000 feet 610 m ratings should be reduced at the rate o
24. iance will provide ventilation MIN MAX BUTTON For faster heating keep this button up For soft heating and silent operation keep this button down HUMIDIFIER water filling hole HUMIDIFIER For better comfort this furnace is equipped with a humidifier It is on easy to use Using a funnel periodically add water to the small tank located on the top left side of the furnace Normally the tank needs to be refilled after 4 5 days NOTE The use of water low in limestone or distilled is advisable in order to prevent any possible calcareous sedimentation that may be difficult to remove Anticalcareous tablets for humidifiers are commercially available The humidifier capacity is 11 8 fluid ounces 0 35 liters Servicing All servicing activities must be carried out by a qualified service technicial or a service agency The home owner may not service the furnace The home owner must read this section to be informed of the periodic maintenance and checks the required All servicing except on vent system must be carried out with the external casing removed After any servicing the external casing must be reinstalled properly and the grounding wire of the external casing reconnected Checking and Adjusting the Gas Manifold Pressure The furnace comes set from the factory at the correct HI and LO gas manifold pressures as shown in Technical Data It is recommended to check the pressures periodically minimum once a year If ad
25. is a good safety measure under any condition e f at any time you do not smell the LP Gas odorant and you should assume you have a leak Then take the same immediate action recommended above for the occasion when you do smell the odorized LP Gas e If you experience a complete gas out the container is under no vapor pressure turn the tank valve off immediately If the container valve is left on the container may draw in some air through openings such as pilot light orifices If this occurs some new internal rusting could occur If the valve is left open then treat the container as a new tank Always be sure your container is under vapor pressure by turning it off at the container before it goes completely empty or having it refilled before it is completely empty Technical Data kW Se m 80 OUTPUT HEATING CAPACITY Ai Unia fone 22 MINIMUM INPUT RATING w 880 NATURAL Low np NATURAL nin 8 NATURAL en e WEIGHT 3 n WALL HOLE DIAMETER l gt MINIMUM INLET AEA AIR INLET DIAMETER mar ara EXHAUST PIPE DIAMETER AIR FLOW MAX WALL THICKNESS l MINIMUM AIR FLOW MIN WALL THICKNESS MANIFOLD PRESSURE DEPTH LUI lt L x o lt O Installation Installation should be done by a QUALIFIED SERVICE TECHNICIAN The furnace must be located on an outside wall WARNING For the installation of this furnace the following items must be used as a vent air intake Wall Installation system Minimum clearan
26. justment is required this can be done by adjusting screws C and D Figure 8 A test gauge must be connected as explained in Checking the Gas Manifold Pressure Proceed as follows 1 Place the furnace on and in the HI mode knob in HI position 2 Completely turn down screw C HI LO operator adjustment by turning it clockwise Do not force 3 Adjust the HI pressure by turning the screw D pressure regulator to the value given in the Specifications table Turn clockwise to increase the pressure turn counterclockwise to decrease it 4 Switch the furnace to LO mode button MAX MIN down Loosen screw C until the correct value for the LO pressure is achieved Switch the furnace between LO to HI mode to verify that both the HI and LO pressures are correct A tolerance of plus or minus 0 1 in w c on the pressure value is acceptable Readjust starting from point 1 if needed 7 Disconnect the test gauge and firmly tighten the screw of the gauge connection Check for gas leaks with a soapy water solution and correct any leaks prior to operating the furnace The HI and LO pressures must be adjusted as explained above Never try to adjust them independently from each other Checking Removing and Reassembling of the Vent Air Intake System It is essential that the vent air intake system is examined periodically minimum once a year to verify it is clean from dust and deposits of solid materials such as l
27. l your serv ice technician or gas supplier 14 If you choose the high heat output setting push the MIN MAX button to MAX position button up If you prefer soft heating and silent operation keep it on MIN position button down 15 This appliance has an automatic flame control system When the flame is lit the green lamp is lit also In case of flame fault the red lamp will light and the green lamp will turn off If this occurs set the SUMMER WINTER button to the SUMMER position button down and wait ten 10 seconds then tum the switch back to the WINTER position button up The appliance wil attempt to relight after approximately 40 seconds During these 40 seconds the red lamp will be lit If the second attempt is unsuccessful turn off the electric power to the appliance and call your Service Agency THERMOSTAT SUMMER W INTER BUTTON MIN MAX BUTTON TO TURN OFF GAS TO APPLIANCE Set the thermostat to the lowest setting by tuming it counterclockwise x s completely Do not force Turn off all electric power to the appliance if service is to be performed Turn the gas tap installed on the gas supply to the CLOSED position WHAT TO DO IF THE RED LAMP IS LIT This appliance has an electronic flame supervision device If the flame disappears the gas flow will be automatically shut off and the red lamp will light instead of the green one The appliance will attempt to relight if you do ONE of the following A Tu
28. mperature lower than 104 F Check wiring and connections If they are okay replace the thermostat Step 4 8 Check Z9 Room thermostat Close the thermostat with a clockwise rotation 9 Check M1 Overheat thermostat automatic reset The thermostat is closed at a temperture lower than 140 F 10 Check S motor Combustion blower L2 Troubleshooting Step 4 p Point 8 Z9 After a clockwise rotation the contact is still open Check wiring and connections If they are okay and the room temperature is cold replace the switch Point 9 M1 M1 is open and fan thermostat temperature is lower than 140 F Check wiring connections gas pressure and fan motor Clean fan blades and air grids If everything is okay replace the thermostat Point 10 S S motor does not run Check voltage wiring and connections If everything is okay replace the motor Step 5 11 Check NP Pressure switch 12 Check electrical supply to flame control box 120 V 13 Check TR electrical transformer 120V 24V 14 Check EV1 Min gas valve 24V 15 Check RP7 ignition electrode 16 Check RP8 flame sensor 17 Check EV2 Max gas valve 24 V Troubleshooting Step 5 Point 11 NP NP contact is open and air blower ON Check wiring and connections Check and clean blower pipes Check and clean burner and flue gas pipe Clean blower If everything is okay replace the switch z g gt RP y PPR
29. nown Installation and service must be to cause cancer birth defects or other performed by a qualified installer reproductive harm service agency or the gas supplier Williams Furnace Co 250 West Laurel Street Colton CA 92324 U S A Table of Contents General Information and Technical Data INStr ctions to Installer ch sti Lees Seale a eae al Lie iced ended a elie a nsec uae 1 Safety and General VV Anning Sic ck Gediniicted shies a een Sh lial d a a died iedwemeleh aude a a a A laa 2 TRECHMICALD AGG oeri a ceercern a edicts adieu Sneed E exe ane oe EE awe ede eae sare A tes 3 Installation AVON S Va NAN OM Meanie ck cacti E a sees nite tee geen ern oe nace cas oe ates deta eaeracast euraact E 4 Outside Location for Vent Terminal facies sav eotesnat vin asigee stant a ara auld heehee 6 SAS CONVESSO S anen a i cate a ot sale sate a a seas balan alot sone sae a E N aaah ieee 8 OUPO era ener etc Ne ene A EA ee eR ec COR ee ee Oe eee Oe ee Se mee eee ee 9 EISCUIC ali V VIGNE AC RAINS anus tuned sapecinenaiescuitautal nis blenimowhasnn ucts in lactedaualois uiaetecas hoenwiaaa lt comessatessd a ntelaeyantnan amine 11 Operating INSUUCHONS sarsii a a a a a N a ee ese eed 12 Servicing Checking and Adjusting the Gas Manifold Pressure cccccc cece cece cence eee eeeaeeeeaeeeaeeeaeeeeeaneeseeesgeeeeaneteansensags 14 Checking Removing and Reassembling of the Vent Air Intake System cccc cece eee eee e eee tees eee ee
30. ot try to light any appliance water Immediately call a qualified service technician Do not touch any electric switch to inspect the appliance and to replace any part of the Do not use any phone in your building control system and any gas control which has been Immediately call your gas supplier from a under water neighbor s phone OPERATING INSTRUCTIONS 1 STOP Read the safety information above on this label ee 2 Setthe thermostat to the lowest setting by turning it counterclockwise Ww oN LAMP completely Do not force wm 3 Turn off all electric power to appliance 4 This appliance is equipped with an ignition device that automatically lights the burner Do not try to light the burner by hand 5 Turn off gas supply to the unit by turning off the gas shutoff valve 6 Wait five minutes to clear out any gas If you then smell gas STOP Follow the safety information in section B above If you do not smell gas go to the next step 7 Turn on the gas supply to the unit 8 Turn on electric power to the appliance 9 Push the MIN MAX button to MIN position button down 10 Switch the SUMMER W INTER button to WINTER position button up 11 Set thermostat to desired setting 12 The red lamp will be lit for 40 seconds then the flame ignite The red lamp will then shut off and the green lamp will be lit 13 If the appliance will not operate follow the instructions below To Turn Off Gas Of Appliance and cal
31. rn off the electric supply to the appliance for approximately 40 seconds and turn it on again OR B Turn the thermostat knob to the zero setting then turn it back to a comfortable setting after approximately 40 seconds OR C Press the SUMMER WINTER button to the SUMMER position button down for approximately 40 seconds and set it back button up to the WINTER position HOW TO SHUT OFF THE APPLIANCE Turn the thermostat knob to the ZERO position Turn the I O switch on the programmable clock to the ZERO position Turn off all electric supply to the appliance Turn the gas shutoff valve installed on the gas supply line upstream to the unit to the CLOSED position USING THE FEATURES OF YOUR FURNACE GREEN LAMP It is lit when the flame is ON RED LAMP In case the flame disappears the gas flow will be shut off and the red lamp will be lit The furnace is locked out To reset the furnace follow the instructions above WHAT TO DO IF THE RED LAMP IS LIT MANUAL PROGRAM BUTTON When the button is down the furnace keeps the temperature set by the thermostat according to the clock s program When the button is up the furnace thermostat maintains the temperature THERMOSTAT Turn clockwise to increase the temperature turn counterclockwise to decrease It SUMMER WINTER When the button is up the furnace will operate in heating mode according to the thermostat and or clock s program When the button is down the appl
32. rnace will operate according to the programs The furnace is controlled both by the timer and by the furnace thermostat 1234567 Day and Time Setting A The Setting Regulator switch Figure 10 B is placed in the position left B To set the day of the week press the Day Selector button 1 7 Figure 10 D a triangular shaped indicator proceeds one day at a time Number 1 stands for Monday number 2 1234567 stands for Tuesday etc 1 5 1 6 C To set the time press the Hour Selector button h Figure 10 E to set the hour and the Minutes Selector button m Figure 10 F to set the minutes The hours are set using military Example Set time Wednesday 15 16 hours military time D After setting the day and the time move the Setting Regulator switch B to the RUN position center The display is frozen and the colon is flashing 1234567 Programming the Timer sixteen settings may be programmed on the timer Eight odd numbers 1 3 5 7 9 11 13 15 for the ON position and eight even numbers 2 4 6 8 10 12 14 16 for the OFF position Program numbers 1234567 are to the left of the Xtsymbol on the display 6 0 Ni A Move the Setting Regulator switch Figure 10 B to the position right On the right side of the display the number 1 1 3 will appear The ON time may now be set 1234567 B Press the Day selection 1 7 Figure 10 D button to the day or the block of days you want the furnace to turn ON Number 1 stands
33. ted to the passageway atte el ee EEPE EEA hazards of high surface temperatures and should DO NOT put anything around the furnace that will obstruct stay away to avoid burns or clothing ignition the flow of combustion and ventilation air Young children should be carefully supervised DO keep the furnace area clear and free from combustible when they are in the same room as the furnace materials gasoline and other flammable vapors and Clothing or other flammable material should not be Ngnies placed on or near the furnace DO examine venting system periodically and replace Any safety screen or guard removed for servicing damaged parts an furnace must be replaced prior to operating the DO examine burner periodically Clean and replace furnace damaged parts Keep burner and control compartment clean DO NOT use this furnace if any part has been under water Immediately call a qualified service technician to inspect the furnace and to replace any part of the control system and any gas control which has been under water The outside vent cap is hot while furnace is in operation Installation and repair should be done by a QUALIFIED SERVICE TECHNICIAN The furnace should be inspected before use and at least annually by a qualified service technician Safety Information for Users of LP Gas Propane LP Gas is a flammable gas which can cause fires and explosions In its natural state propane is odorless and colorless You may not kno
34. w all the following safety precautions which can protect both you and your family from an accident Read them carefully now then review them point by point with the members of your household Someday when there may not be a minute to lose everyone s safety will depend on knowing exactly what to do If after reading the following information you feel you still need more information please contact your gas supplier LP Gas Warning Odor If a gas leak happens you should be able to smell the gas because of the odorant put in the LP Gas That s your signal to go into immediate action Do not operate electric switches light matches or use your phone Do not do anything that could ignite the gas IMMEDIATELY get everyone out of the building vehicle trailer or area Close all gas tank or cylinder supply valves LP Gas is heavier than air and may settle in low areas such as basements When you have reason to suspect a gas leak keep out of basements and other low areas Stay out until firefighters declare them to be safe e Use your neighbor s phone and call a trained LP Gas service technician and the fire department Even though you may not continue to smell gas do not turn on the gas again Do not re enter the building vehicle trailer or the area e Have the service technician or fire department air out the area before you return A properly trained LP Gas service technician must repair the leak check and relight the gas furnace for you
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