American Dryer Corp. AD-230 User's Manual
Contents
1. aa 6 B Control Box o I P 6 Gom DOK Bri D dae d kak 6 D Door M j N 6 Ee Lint Sereen 3022230 iae MM a 7 Drawer 0 7 7 Tumbler Bearing and Pulley Arrangement saia hisk kek Han l n A n 7 8 J Dave Motor and y Ke a ES dek 8 Ku Iemperature 560501 8 L GaS BUIEN E rrr 9 SWEN 9 Non Reversing Contactor 30 Motor eee 9 Hi Limit Thermostat Gas amp Electric Models Only 10 SEC TION V S6EVIOB 1 0 11 B Burner Controls Gas TREE FREE RET 16 C Thermostats Temperature Sensor 19 D Switch ASSenmbly 21 Front Panel and Main Door Assemblies eee 22 Tumbler and Bearing Assembly HEER 24 G idler and Bearing kel s ke Ae eai 25 yk 26 Tomoi BASKET 26 J V Belts REFER TO ILLUSTRATIONS IN SECTIONS J 292. depress the door switch actuator 4 While continuing to depress the door switch actuator and with the door open start the dryer 5 If the heat system is not 15 seconds the sail switch is properly adjusted 6 If the heat system is activated the sail switch is improperly adjusted and must be readjusted by bending the actuator arm of the sail switch toward the front of the dryer If the actuator arm is bent too far toward the front of the dryer the dryer may not have heat when needed After any adjust ments of the sail switch the above procedure must be repeated to verify proper operation FRONT PANEL AND MAIN DOOR ASSEMBI 1 Discontinue power to dryer 2 Open main door 3 Remove the two 2 phillips head screws holding the main door switch in place 4 Remove door switch bracket and disconnect wiring from switch es NOTE Identify location of each wire for correct reinstallation 5 Disassemble door switch bracket by removing the two 2 screws s holding the door switch i in place and assemble onto new door switch 6 Reverse this procedure for installing new door switch NOTE When reconnecting wires to door switch be sure wiring sequence is correct IMPORTANT Under no circumstances should the door switch be disabled _ 1 Remove screws 4 holding main door to main door hinge _ 2 Reverse this procedure for installing new main door assembly 1 Remove main door asse
3. 2 Check for voltage across L1 L2 of motor relay 110v 208v 220v For 3 Phase machine check across L1 and L3 If there is no voltage is evident problem is bad wire s or termination from the circuit breaker panel to top of motor contactor If there is voltage continue with step 3 Check the 5 amp fuse s in the control box If dryer is rated at 110v 115 or 120v there will only be fuse Voltages of 208v 220v will have two fuses If blown replaces with P N 136057 If not continue with step 4 4 Check voltage across 8 and TB 6 110v 208v 220v If no voltage is evident problem is bad wire or termination from TB 8 and TB 6 to the Ll and L2 _ connection on the motor relay If there is voltage continue with step 5 39 _5 Check for voltage across the computer s 15 pin connector 7 and 13 110v 208v 220v If no voltage is evident problem is bad wire j termination from the computer s 15 pin connector 7 and 13 to 46 and 8 If voltage is evident problem is faulty computer VOLT METER 40 dSFL DISPLAY CONDITI When display dSFL this condition indicates fault in the microprocessor controllers heat _ circuit This circuit includes the microprocessor controller microprocessor temperature sensor located in lint compare and wires to and from these two 2 points 1 Check to see if microprocessor controller ha
4. ATI N 30 Lempo let eituse rene k e NADE 30 M Tant Screen AD 290 E 30 Screen AD 31 SECTION VI Troubleshooting seersee 32 Phase 3 Coin System Did NOSUCS 32 Heat Condition Gas 00 35 C Nostr COMGIION an ea N re d y 38 D No Display 39 dSPE Display ly Geli y n mad uot ei ere ena dn s n M P eben 41 dOOr Display nnen bated 43 SECTION VII Technical Information 45 A Data menen ended Med idu 45 B USING A Manometer GARA nende 46 LED Display CodeS A 47 D Computer Logic and Wiring 48 SECTION I IMPORTANT INFORMATION A SAFETY PRECAUTIONS 1 Do not store gasoline or other flammable vapors and liquids i in the vicinity of this or any appliance 2 Purchaser user should consult the local gas supplier for proper instructions to be followed in the event the user smells gas The instructions should be posted in a location 3 Dryer must be exhausted to the outdoors 4 Although the American Dryer is a very versatile machine there are some articles that due to
5. BACKUP PLATE IDLER ARM MANO660 PULLEY and SHEAVE ORIVE MOTOR Nu MANOSA2 MOTOR MOUNT IMPELLOR 0 N SN lr N NI 4 N L Gas The gas burner assembly consists of the burner tube orifice the orifice has a hole in it to allow gas to flow through The hole size varies with different elevations and different BTU s gas valve which can be set up for natural gas or L P spark ignitor and probe assembly Gas burners will vary from model to model in size shape and relative location GAS VALVE UNON TAL PIECE amp COLLAR NAN O3 M Sail Switch The sail switch consists of a round plate on a lever arm which acts like an actuator for a micro switch When the blower motor comes on it draws air from the burner This creates a negative pressure inside the basket area and this negative pressure pulls in the round damper which activates the sail switch If there is improper air flow the damper will not pull in preventing the burner from coming on Improper air flow can be caused by improperly designed exhaust ducting where the duct run is too long or has too many sharp bends in it It can also be caused by a lack of make up air DAMPER N Non Reversing Contactor 30 Motor The non reversing contactor is used on 3 phase non reversing dryers and is located in the junction box in the rear of dryer It is through the contactor that the voltage inputs are f
6. 7 FOR USE WITH NATURAL AND LP GASES ANS 22152 1904 CLOTHES DRYER VOLA MAN1850 When contacting American Dryer Corporation certain information is required to insure proper service parts information from American Dryer This information is on the data label located on the _ control door When contacting American Dryer please have the mous number and serial number handy DATA LABEL E MODEL NUMBER The model number is an which describes the size s of the dryer and the type of heat gas or steam 2 SERIAL NUMBER The serial number allows mo to information on your particular dryer 3 MANUFACTURING CODE NUMBER The code number is a number issued by ADC which describes all possible options on your particular model 4 TYPE OF HEAT Describes the type of heat gas natural or L P or steam or electric 5 HEAT INPUT For gas dryers describes the heat input in British thermal units 6 ELECTRIC SERVICE Describes the electric service for your particular models _7 GAS MANIFOLD PRESSURE Describe the manifold pressure as taken at the gas valve pressure SE ab HOW TO USE A MAN OMETER B USING A MANOMETER 1 With dryer in non operating mode remove plug on the gas valve pressure tap 2 Attach plastic tubing to pressure tap fitting is supplied with manometer see illustration 3 Attach manometer to dryer using magnet NOTE Place manometer in
7. 4 Disassemble hinge from front ed by removing the nuts located on the back side of the front panel which hold the hinge to the front panel IMPORTANT When removing hinge assembly from front panel be careful you do not damage main door switch 5 Remove main door switch assembly 6 Re assemble by reversing removal procedure 1 main door 2 Drill out the 2 pop rivets holding nylon catch to front panel using 21 1590 drill bit 3 Using two 2 pop rivets part number 154215 install nylon catch part number 170330 to front panel B TUMBLERAND BEARINGA SEMBLY Remove backguard to access assembly BEARING VERTICAL ADJUSTMENT 1 Disconnect power to dryer 1 HORIZONTAL 2 backguard 3 Loosen v belts then rotate pulley and roll v belts KEY out of grooves E 4 Loosen two 2 set screws on the pulley and pull the pulley off the shaft 5 Reverse procedure for installing new tumbler pulley 1 Disconnect power to dryer 2 Remove tumbler pulley follow tumbler pulley removal procedure 3 Remove the four 4 bolts securing the bearing box to the back of the dryer 4 Loosen screws securing bearing to shaft 5 Pull bearing box and bearing off of shaft NOTE If any rust has developed use an emery cloth to polish the shaft a 6 Remove bolts securing bearing to bearing box and remove tumbler bearing 7
8. sure the ignitor to the top of the tube is 1 8 1 32 15 CONTROL The illustration below shows you the gas valve assembly and the gas chamber NEC BURNER ORIFICE MANIFOLD MODULE FLAME SENSOR BURNER TUBE GAS VALVE aq N UNION TAIL PIECE amp COLLAR _ MAN1808 16 TO REPLACE MAIN BURNER ORIFICE 1 Refer to TO REPLACE GAS VALVE and follow steps one through five 2 Unscrew main burner orifice and replace NOTE Use extreme care when removing and replacing orifice The orifice is made of brass i is easily damaged 3 Reverse the procedure for re installing WARNING Test all connections for leaks by cul on a soapy water solution never test for leaks with flame N OTE The orifice for AD 230 and AD 235 are the same natural gas 20 p n 140828 L 2 gas 41 140811 QILSI ANDADIUST GAS WATER COLUMN 3 There are two 2 types of devices commonly used to measure water column pressure They are spring mechanical type gauges and manometers The spring mechanical type gauge is not recommended because it is easily damaged and not always accurate A manometer is simply a glass or transparent plastic tube with a scale in inches which when filled with water and pressure is applied the water in the tubes rises showing the exact water column pressure NOTE Manometers are availab
9. 3 set screws front tumbler bearing 4 Using a wheel puller gently push the tumbler shaft towards the front through the front tumbler bearing NOTE An alternate method would be to place a block of wood on the end of the tumbler shaft and strike it with a heavy hammer To prevent gamage to the shaft the wheel puller method is preferred 5 Remove the tumbler and support through the front of the dryer A Remove the bolt in the center of the tumbler back wall B Loosen and remove the nuts and washers from the tumbler tie rods Remove the iod C Replace 06 tumbler or tumbler support by reversing the procedure 6 Reassemble components into dryer by reversing steps 1 through 4 7 Check tumbler lateral and vertical alignment Also check belt tension and alignment 8 Replace backguard and re establish power to dryer 28 _V BELTS REFER TO ILLUSTRATIONS IN SECTIONS I J V Belts should have proper tension If too loose they will slip if too tight excessive wear on the _ bearing will result If the pulleys are not properly aligned excessive belt wear will result Proper belt _ tension will allow 1 2 displacement under normal thumb pressure at mid span of the belt 1 Loosen two 2 bolts connecting to back up plate 2 Back off jam nut on the adjustment bolt _ 3 Tighten belts by turning adjustment bolt clockwise turn counterclockwise to loosen belts 4 Tighten
10. R American Dryer Corp AD 230 AD 235 Coin Service Manual Phase 5 Microprocessor Controls for models mfd as of February 1992 American Dryer Corporation 88 Currant Road Fall River MA 02720 4781 Telephone 508 678 9000 Fax 508 678 9447 E mail techsupport amdry com 062596 ADC Part No 450304 Retain This Manual In A Safe Place For Future Reference American Dryer Corporation products embody advanced concepts in engineering design and safety If this product is properly maintained it will provide many years of safe efficient and trouble free operation ONLY qualified technicians should service this equipment OBSERVE ALL SAFETY PRECAUTIONS on the equipment specified in the xu SAAN manual included with the dryer The following FOR YOUR SAFETY caution must be posted near the dryer in a prominent location FOR YOUR SAFETY POUR VOTRE S CURIT Do not store or use gasolineor Ne pas entreposerni utiliser d essence other flammable vapors or liquids ni d autres vapeurs ou liquides in the vicinity ofthis or any other inflammables dans le voisinage de cet appliance appareil ou de yout autre appareil We have tried to make this manual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models Important Fo
11. continue on Nan N OR TH TERMINAL 3 Check for voltage between TB 2 and 7 If _ voltage is evident problem is break in wire termination between TB 2 TB 7 and the DSI module STAT TH or Gnd terminal If no voltage continue on with step 4 A MAN1200 VOLT METER 36 4 Check for voltage across TB 4 and TB 7 If voltage is evident problem is defective burner hi limit switch P N 130103 or the sail switch P N 122200 or the harness connecting these two devices to the terminal block 4 and 42 If no voltage continue on with step 5 5 Check for voltage across TB 3 and TB 7 If voltage is evident problem is defective basket hi limit switch P N 130103 or the harness connecting this device to the terminal block 3 and 4 If no voltage continue on with step 6 6 Check for voltage across computer s 15 pin connector 4 orange wire and the GND Spade terminal on the computer If voltage is evident problem is the orange wire from the computer s 15 pin connector 4 to the terminal block 3 There is a bad connection on either end faulty wire If is evident problem is faulty computer MAN 03 VOLT METER Make sure the sail switch damper is closing properly If so check to see if it is making contact with the switch If the sail switch damper is not closing properly check for exhaust restriction or exhaust damper restrict
12. if the dryer is started and the motor is not operating yet both the microprocessor controller display motor indicator dot and the dOOr input L E D indicator are on but the motor output L E D indicator is off then the fault is in the Phase 5 coin microprocessor controller itself If the motor is not operating and the MOTOR output indicator is on then the prooem is j elsewhere 1 external of the m controller BB 3 HEAT Output L E D Indicator If the dryer is started and 1 no heat Yet the micropro _ cessor controller display heat circuit indicator dot is on but the output L E D indicator is off then the fault is in the Phase 5 coin microprocessor controller itself If both the dis play heat indicator dot and the heat output L E D indicator are on then the pose IS elsewhere i e external of the controller TE The following procedure must be performed with microprocessor controller display in _ the normal operating mode and the heat indicator dot on and the L E D heat output Il Sum EET light is on Voltage is 24 VAC unless otherwise Specified DN 1 Check to see if DSI module fault indicator L E D is on or flashing If yes refer to Trouble Shooting Booklet P N 450142 35 2 Check for voltage approx 25VAC across DSI module terminals STAT or TH and GND EC voltage is evident refer to DSI trouble Shooting Booklet P N 450142 If no
13. gas refer to instructions included i in 1 envelope 8892 0737 supplied 9 Reverse for installing valve manifold assembly to dryer IMPORTANT External regulation of a consistent gas mem of between 10 5 and 11 0 inches water column must be provided 10 Open all shut off valves and test for leaks IMPORTANT Do not test for leaks with an open flame Use soapy water solution or product intended that purpose 11 Operate dryer through one complete cycle to insure proper operation IMPORTANT Conversion should be performed by competent technicians in accordance with local and state codes Improper assembly or adjustment can cause hazardous condition 18 2 Disconnect wires from hi limit thermostat 5 Reverse procedure for installing new thermostat 12 Call American Dryer Corp for L P conversion kits or the proper orifices for natural or L P gas IO REPLACE DSIMODULE 1 Discontinue Tower to the dryer 2 Jr SPRSADER 2 Remove the wires connected to the terminal strip at the bottom of module ne 3 Remove the soft orange high voltage wire from Q9 the module 2 BURNER SEDEM Sl 4 the u 4 pal nuts securing the module to ke the modular mounting bracket M TAL amp COLLAR 5 Replace by reversing process HERMOD IADS AND TEMPERATURI NSOR T
14. 2 Motor Circuit Indicator indicator dot is on whenever a cycle is in progress 33 Program Switch PS dSFL Fuse 1 8 Amp Slo Blo ONLY reser olie 491919791 1 ol 137213 Heat Output L E D Motor Output L E D 34 MICROPROC Wi CONI RO RELAY 2 INDICALOR There are there three 3 L E D indicators red lights located at the lower backside area of the controller are identified labeled DOOR MTR and HEAT as shown in the illustration on the next page These L E D s indicate that the outputs of the Phase 5 coin L AWAN controller or in the case of the door switch the input is functioning 1 DOOR L E D indicator should be on all the time if the dryer is not running unless the main door is open or there is a ee open 2 in the main door switch circuit 4 NOTE If the dryer is started the L E D dnd indicator dots are on and there are no outputs heat and or motor output L E D s are off and the dOOr input L E D is on the fault is in the Phase 5 microprocessor controller itself If the failure was elsewhere i e was attempted If the L E D display indicators are on and the door L E D input and motor heat output L E D s are on the motor and or heat is not active on then the problem is not the door switch circuit or the Phase 5 coin on controller the poem is elsewhere in the dryer 2 MOTOR Output L E D Indicator
15. Also on gas machines Ignition problems and sail switch fluttering problems may result and on a electric machine premature electric element failure may result Air supply must be given careful consideration to insure proper performance of each dryer IMPORTANT Make up air must be provided from a source free of dry cleaning fumes Make up air that is contaminated by dry cleaning fumes will result in irreparable damage to motors and other dryer components Exhaust duct work should be designed and installed by a competent technician Improperly sized duct work will create excessive back pressure which will result in slow drying increased use of energy and shut down of the burner by the air flow sail switch Refer to Installation Manual for more details CAUTION Improperly sized installed or maintained cleaned exhaust duct work creates a potential fire hazard ELECTRICAL AND GAS REQUIREMENTS It is your responsibility to have all electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms with local and state regulations or codes In the absence of such codes all electrical connections material and workman ship must conform to the applicable requirements of the National Electric Code ANSI NFPA NO 79 lattest edition IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulated in this manual c
16. a position so that readings can be taken at eye level 4 Fill as shown in illustration to the c varve 0 0 evel p EE e PLASTIC TUBING 5 Start dryer With burner on take a reading eee FILL WITH WATER TO ZERO LEVEL Tc o 3 a _ Read water level at the inner tube TAN 4 readings should be taken at eye level MAGNET _ B Correct readings should be NATURAL GAS 3 5 4 0 inches w c L P GAS 11 10 5 inches w c INNER TUBE 6 If water column pressure is incorrect refer to TO ADJUST GAS PRESSURE Reverse procedure for removing mE _ QUTER TUBE 1 MANO707 li 46 C L E D DISPLAY CO DES door dSFL _ FAr FILL FrEE GdLY Gont Grd HICd LCde LOCd nbUZ nFLS Ngrd nSEn _ PL PLOC Automatic Cycle Slope Program Factor Accumulative Coin Maximum Auto Dryness Time Amount for Additional Time Active Anti Wrinkle Guard Time Accumlative Time Amount Start Automatic Mode Patent No 4 827 027 Automatic Cycle Heat loss mn Factor Bad Coin Lockout Bad Coin Reset Buzzer Tone Degree in Celsius Clear Left Coin Count Coin Mode Clear Right Coin Count Drying and Cooling Cycles Complete or Dryer is in Anti Wrinkle Cycle Door Circuit is Open Dryer Sensor Circuit Failure Degree Fahrenheit No Cycle in Progress Flash Display Active Free Dry Mode
17. both bolts connecting to back up plate 5 Check vertical plane of idler pulley for parallel alignment with tumbler pulley poe MAN1845 6 If realignment is required loosen tumbler pulley and move tumbler pulley to proper position 7 Re tighten jam nut 1 Loosen two 2 bolts connecting idler arm to back up plate ps 2 Back off on jam nut s on the adjustment bolt 3 Loosen tighten adjustment bolt to relax increase belt tension 4 Tighten adjustment bolt jam nut s 5 Tighten the two 2 bolts loosened in step 1 1 Loosen tension on V Belts so that they can easily be rolled off pulleys 2 Replace V Belts 3 Re tighten V Belts and adjust tension alignment per previous instructions 29 MOTOR 1 Discontinue power to dryer 2 drive belt 3 Disconnect wiring harness from motor IMPORTANT If top pocket is being replaced duct work on the side of the motor mount must BE be removed 0 4 nuts and washers holding the motor mount to the of the dryer and pull motor mount 5 Remove the two 2 left hand nuts on the motor shaft retaining the impellor Work the impellor free from the motor shaft by means of a puller to prevent damage to the motor shaft 6 Remove the bolts holding the motor and install on new motor 7 Remove pulley from old motor and install on new motor 8 Align motor with impellor face in place with the
18. illustration Revision Number Your particular model will be different depending on the date of manufacturing and options available DATE 1 7 90 PIN 8622711 54 8 REWIRED 24v TRANSFORMER STATE RELAY 11 90 ES 50 Hex Z2 HERARN EFI J The correct wiring diagram for your machine is folded and placed inside of the computer area Dems for this book are as follows including all revisions of the numbers listed below ee RE B3261l B382611 PHASE 5 COIN CONTROLLER CIRCUITS TL ee RED E B E MICROCOMPUTER PHASES RED WHITE TETERA TUBE zo og e jg SENSOR rara si ro mE HEAT OUTPUT 24V ORANGE m RES QM TE E r rE MOTOR OUT 24y lt DOOR SWITCH IN 24V TELLOM L1 POWER iN 110V 240V BLACK 7 L2 POWER IN fIOV 240V1 AEON 80 24005 49 ADC 450304 1 07 02 06 50 2 12 24 96 50 3 01 07 98 50 American Dryer Corp 4 08 03 98 50 5 09 02 98 50 6 04 21 99 100
19. Anti WrinkleDelay Time Anti Wrinkle On Time Anti Wrinkle Program Active High Cool Down Overheating Condition Left Coin Count Left Coin Denomination Low Cool Down No Buzzer Tone No Flash Display _ No Anti Wrinkle No Rotational Sensor Selected Percent Dry Program Location Program Location Automatic Review 47 PPCD Permanent Press Cool Down PP Permanent Press PUSH Amount to Start has been Inserted Make Temperature Selection rCC Right Coin Count E rCdE Right Coin Denomination SEFL Rotational Sensor Circuit Failure SEn Rotational Sensor Selected tFAS Time for Amount to Start thE Timed Mode D COMPUTERL AND WIRING D RAM 1 Operator inserts coin 2 Operator enters desired selection 5 3 Information entered is sent to the Micro Controller via the keyboard ribbon 4 The input information is sorted processed and executed by the Micro Computer chip COMPUTER LOGIC AND WIRING DIAGRAM KEYPAD ues Wm SENSOR SWITCHES wa cog eis B CONTACTOR DRIVE MOTOR p MEG MODULE IGNITOR AND GAS B MANOS lt 6 FLAME VALVE COIN ACCEPTOR 5 The micro computer output signal activates the contactors and DSI module which controls the _ machines functions TEE This number is located the top right hand corner of the diagram It is a six 6 digit number followed bya ac letter to distinguish the version dates see
20. ON OR NEAR THE DRYERS CHILDREN SHOULD BE SUPERVISED IF NEAR DRYER S IN OPERATION WARNING The dryer must never be operated with any of the back guards outer tops or service panels removed PERSONAL INJURY or FIRE COULD RESULT WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER OR SCREEN IN PLACE EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM 1 USED IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and specified in the installation and operator s manual included with the dryer Dryers must not be installed or stored in an area where it will be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area Table of Contents SECTION I Important Information 1 1 SECTION II Maintenance euaza 2 As 2 3 3 SECTION Installation Requirements 4 A Enclosure Air Supply and Exhaust Requirements eee 4 Electrical and Gas Require ne ls yes siliy se 5 C Operational Service Check Procedure 5 SECTION IV Description of Parts O A Control Panel Microprocessor ER
21. Reverse procedure for installing new tumbler bearing 1 0 n to dryer _ 2 Remove tumbler and bearing box follow TO REPLACE THE REAR TUMBLER BEARING steps 1 through 4 NOTE Check tension of belts and alignment of tumbler before operating dryer 3 Loosen set screws on front tumbler bearing 4 Using a wheel puller AU push the tumbler shaft WERA the front through the front tumbler bearing NOTE An alternate method would be to place a block of wood on the end of the tumbler shaft and strike it with a heavy hammer To prevent damage to the shaft the wheel puller method i is preferred 5 Remove the four 4 nuts securing the bearing to the dryer back and remove the bearing 6 Reverse procedure for installing new tumbler bearing 7 Replace backguard IDLER AND BEARING ASSEME Remove backguard to access assembly ER mE BACKUP PLATE _ BEARINGS 1 Remove backguard 2 Loosen v belts then rotate e pulley and roll v belts out t of grooves I LER ARM 3 two 2 screws pulley and pull off the shaft 4 Reverse procedure for installing new idler pulley NOTE Idler shaft is pressed onto the bearing If the this is not done properly component failure could result ADC recommends that the whole idler assembly be replaced ADC P N 80101 1 Remove idler pulley follow REPLACE IDLER PULLEY 2 Remove idler arm E A R
22. an result in personal injury or component failure The dryer installation must meet the American National Standard National Fuel Gas Code ANSI _ 2223 1 latest edition as well as local codes and ordinances and must be done by a qualified technician NOTE Undersized gas piping will result in ignition problems and slow drying and can create a safety hazard The dryer must be connected to type of gas natural or L P indicated on the dryer data label If this information does not agree with the type of gas available contact the distributor who sold the dryer or contact the factory The gas input ratings shown on the dryer data label are for elevations up to 2 000 feet unless elevation requirements of over 2 000 feet were specified at the time the dryer order was placed with the factory The adjustment for dryers in the field for elevations over 2 000 feet are made by chang ing the burner orifices If this adjustment is necessary contact the distributor s who sold the dryer or contact the factory NOTE Any burner changes must be made by a qualified technician OPERATIONAL SERVICE CHECK PROCEDURE After performing any service or maintenance function an operational check should be performed to insure that all components are performing properly 1 Make a complete operational check of all the operating controls to insure that the timing is correct temperature selection switches are functioning properly 2 Make a comple
23. ancelled 3 SEFL indicates rotational sensor circuit failure meaning that there is a fault somewhere in the basket tumbler rotation detection circuit or the Phase 5 coin microprocessor controller program related to this circuit PLO1 is set incorrectly in the active mode SEn where the dryer is not equipped with the optional rotational sensor and should be set in the non active mode nSEn 4 Hot indicates a possible E condition The Phase 5 coin microprocessor monitors the temperature in the dryer at all times If the microprocessor controller detects that the temperature in the dryer has exceeded 220 F 104 C it will disable all outputs shut the dryer down the tone DUZ will sound for approximately 5 seconds and the L E D temperature sensor has dropped to 220 F or lower and the microprocessor controller is manually reset by closing and opening the propre switch PS on the back side of the controller The L E D indicator dots located at the top portion of the L E D display as shown in the illustration below indicate the Phase 5 coin microprocessor controller output functions while in a cycle is in progress These dots do not necessarily mean that the outputs are functioning They are only indicating that the function output should be active on 1 Heat Circuit Indicator indicator dot is on whenever the Phase 5 coin microprocessor controller is calling for the heating circuit to be active ON
24. bracket harness connector 4 Loosen the two Q phillips head screws securing the bracket ne A to the and remove by sicing bracket towards the rear of the dryer 5 Disassemble sensor prob from the bracket by removing the top push on fastener securing the probe to the basket 6 Disconnect the two 2 orange from the high heat temperature thermostat the four 4 position connector wires and probe from the bracket assembly 7 Install new probe assembly ADC P N 880251 by reversing procedure 20 D SAILSWITCH ASSEMBLY The sail switch is a heat circuit safety device which controls the heat circuit only When the dryer is operating and there is proper air flow the sail switch damper pulls in and closes the sail switch providing all the other heat related circuits are functioning properly If an improper air flow occurs the sail switch damper will release and the circuit will open 1 Discontinue power to the dryer 2 Remove the two 2 screws which hold the switch box 3 Disconnect the two 2 wires from the switch SCREWS 4 Disassemble sail switch from mounting bracket by removing the two 2 screws securing the switch in place 5 Reverse this procedure for installing new sail switch Adjust sail switch as described in the next section 1 Operate the installed dryer normally to verify that the heat system is fully operational 2 Open the main dryer door 3
25. ch microprocessor controller and the wires to end from these two points Before following this test procedure check the compo nent side of the computer to see if L E D input light is on If on computer is 24VAC unless otherwise specified OHM METER 1 Remove door switch assembly from dryer Check for continuity across the two terminals of the door switch with plunger pushed in If no continuity replace the E door switch If continuity is evident reassemble door switch back on dryer PUSH IN MAN1216 _ 2 Make sure main door is closed and the plunger of the door switch is pushed in Check for voltage across TB 5 and 7 If no voltage is evident problem couldbe _ faulty transformer P N 141403 or bad wire or termination in the door switch harness from door switch to terminal block 1217 43 3 Check for voltage across microprocessor s 15 pin connector 2 yellow wire and the spade terminal on _ the microprocessor marked GND If no voltage problem is bad wire or termination in wire from microprocessor connector 2 to TB 5 If Mari proven is a faulty computer us VOLT METER 44 SECTION VI TECHNICAL INFORMATION A DATA LABEL Contact American Dryer Corporation MODEL SERIAL NO MANUFACTURNG CODE NUMBER 2806008 18031701061048060000000 TYPE HEAT ELECTRIC SERVICE WV SOHZ PH ZW 12 GAS MANFOLD PRESSURE
26. ed Its purpose is to transfer the 2 g ECTRICAL higher voltage to the motor when the contactor coil CONTACTOR CONNECTION BOX voltage has been achieved Hi Limit Thermostat The burner hi limit thermostat is another safety device that we use on the dryer The hi limit is located in the burner area The hi limit switch cuts off the heat if the temperature exceeds 225 for the AD 230 and AD 235 Under normal conditions the only way this device would shut off the heat is when the air flow changes to the extent of causing the intense heat from the burner to trip the thermostat 225 HI LIMIT THERMOSTAT MANO367 10 SECTION V SERVICE electrical mechanical service or repairs should be made with the electrical power to the dryer disconnected power off WARNING Personal injury could result The information provided in this section should not be misconstrued as a device for use by untrained persons making repairs Service work should be performed by competent technicians in accordance with local state and federal codes When contacting the factory for assistance always have the dryer model and serial numbers available CAUTION Observe all safety precautions displayed on the dryer or specified in this manual before and while making repairs IMPORTANT The information provided will help isolate the most probable component s associated with the difficulty described The experie
27. emove two 2 bolts securing idler arm to the idler backup plate B Remove idler am assembly B C Loosen set screws on both the front and rear bearing and remove the idler shaft D Remove 3 bolts securing the bearing to the idler arm and remove indus 3 Reverse procedure for installing new idler bearings NOTE Check tension and ali gnment of belts before ope DRIVE PULLE Remove backguard to access assembly 1 Remove backguard 2 Loosen v belts then rotate pulley and roll v belts out of grooves 3 Loosen set screws and pull motor pulley out NOTE If rust has developed on the shaft use and emery cloth to polish the shaft 4 Reverse procedure for installing new drive pulley NOTE Check tension and alignment of belts before operating dryer 1 Discontinue power to dryer 2 Remove backguard 26 _ 3 Loosen the four 4 hex head bolts the sides of TUMBLER the bearing box 2 on each side BASKET 4 Back off jam nuts on the two 2 allen head adjustment screws 5 Turn the screws clockwise evenly to raise the tumbler or counterclockwise EVER to lower 0 S _ the tumbler 2 RODS 6 Rotate the tumbler from the front and check alignment with the main door opening EE 7 7 Leave large gap from the inside ring the topof the front panel opening to the tumbler and a smaller gap on the bottom to compensate for the weight of the clot
28. eners off 5 Disconnect the two 2 orange wires from the high heat 225 degrees temperature thermostat Remove modular bracket connector wires and probe from bracket assembly 6 Install new sensor probe assembly 880251 by reversing the procedure 7 Re establish power to dryer NOTE If when power is reestablished the computer display reads dsfl check for a loose connection on the wiring 13 _ 1 Discontinue power to dryer 2 Open control door 3 Open control panel wor i CONTACTOR 3 Remove both screws securing motor contactor to the electrical panel 4 Remove all wires from contactor Note make sure each wire is marked with location removed from 5 Install new contactor in reverse procedure 6 Re establish power to dryer 1 Discontinue power to dryer 2 Close shut off valve on right side of gas valve black lever Remove the two wires on of the gas valve 3 Break amp loosen union nut between union shut off and gas valve 4 Remove the four 4 screws holding the two pipe brackets on each side of the gas valve 5 Remove gas valve and manifold f Te hu attached from dryer f N 6 Remove the single port manifold from the output side of the gas valve 7 Remove the union ils piece and nut from the mE m xd input of valve a 1 2 Allen wrench is required GAS VALVE Az T g
29. ent consists of a pulley bearing box and bearings which serve to adjust drive and support the tumbler The bearing box has various nuts and bolts that are made to adjust the basket vertically and horizontally HORIZONT AL ADJUSTMENT Idler Bearing Viewing from the rear of the dryer The idler assembly is located approximately on the lower left hand side of the dryer The idler assembly consists of one 1 compound pulley The idlers main purpose is to reduce the speed and increase torque provided to the tumbler Also the idler assembly belt tension can be adjusted The AD 230 and AD 235 requires a 9 x 2 1 2 pulley J Drive Motor and Impellor The drive motor is located on the back approxi mately lower left hand side of the dryer for the top and same position for the bottom pocket It sits on an adjustable base so the motor can easily be ad justed to the left or right up or down The threaded shaft of the motor is connected to the impellor a backward curved paddlewheel The impellor pro vides air flow in the dryer It creates a vacuum which pulls the hot air from the burner into the basket through the lint screen and out the exhaust K Temperature Sensors The temperature sensor is used as a transducer that converts heat into microamps The com puter board then uses these microamps to calculate the temperature This sensor is located below the lint screen for the AD 230 and above the lint drawer on the AD 235
30. fabric composition or cleaning method should not be dried in it WARNING Dry only water washed fabrics Do not dry articles spotted or washed in dry cleaning solvents a combustible detergent or all purpose cleaners Fire or explosion could result WARNING Do not dry rags or articles coated with gasoline kerosene paint wax oil or grease Fire or explosion could result WARNING Do not dry mop heads Contamination by wax or flammable solvents will create a fire hazard WARNING Do not use heat for drying articles that contain plastic foam or sponge rubber or similarly textured like materials Drying in a heated tumbler may cause damage to pues or rubber and also may be a fire hazard 5 A program should be established for the inspection and cleaning of the lint in the burner area and exhaust duct work The frequency of inspection and cleaning can best be determined from experi ence at each location WARNING The collection of lint in the burner oven area and exhaust duct work can create a potential fire hazard 6 For personal safety the dryer must be electrically grounded in accordance with local codes and or the national electric code ANSI NFPA NO 70 latest edition 7 Under no circumstances should the dryer door switch or heat circuit safety devices ever be disabled 8 Read and follow all caution and direction labels attached to dryer WARNING Children should not be allowed to p
31. hes drying TUMBLER BASKET 8 Tighten the four 4 hex head bolts on the sides of the bearing box and two 2 allen head adjustment screws 9 Replace backguard _ 10 Reconnect power to dryer BEARING REAR OF DRYER MANO699 1 Discontinue power to the dryer 2 Remove backguard 3 Loosen the two 2 hex bolts one turn is that holds the pulow block bearing to the bearing box 4 Back off the two 2 jam nuts on the side bolts Now rotate the tumbler from the front of the dryer checking the space between the tumbler and the front panel This should be equal on the left hand and right hand side 27 5 Lateral adjustment viewing from the rear A Loosening by turning counterclockwise the left hand adjustment bolt and tightening by turning clockwise the right hand adjustment bolt will shift the basket to the right B Loosening by turning counterclockwise the right hand bolt and diening by turning clockwise the left hand bolt will shift the basket to the left 6 een and secure both adjustment bolts and j jam nuts 7 Tighten the box bolts 8 backguard ada re establish power to the diver REPLAC THE TUMBLER AND OR TUMBLER SUE 1 Remove tumbler pulley and bearing box follow REPLACE THE REAR TUMBLER BEARING steps 1 through 4 2 Remove front assembly follow TO REPLACE FRONT PANEL ASSEMBLY
32. his thermostat is an important safety device serving as an _ added protection against failure of the air sail switch to open inthe event of motor failure or reduced air flow condition 1 Discontinue power to dryer 3 Loosen the two screws securing hi limit bracket to the dryer Slide bracket and remove the bracket 225 Hi Limit and peagi from dryer 4 Remove the two pal nuts securing the hi limit to the bracket remove hi limit 19 LO REMOVE THE TEMPERATURE SENSOR OR HIGH HEAT PROT JK A HIGH HEAT PROTECTOR 1 Discontinue power to dryer E control door on AD 235 lint drawer On AD 230 c open lint access panel and remove lint screen 3 Locate temperature sensor bracket assembly on the side of the basket Loosen the two o phillips head screws Disconnect the connector 4 Slide bracket toward the rear of the machine and remove the basket assembly from the dryer 5 At this point you have access to remove either the high heat PROBEREN or the temperature sensor 6 To remove the high heat protection remove the two 2 screws washers and nuts holding the high heat pu in place 7 Remove the high heat protector 8 Reverse the procedure for installation of new high heat protector B TEMPERATURE SENSOR 1 Discontinue power to dryer 2 Open control door on AD 235 remove lint drawer On AD 230 open lint 2 access lint screen 3 Dissonance sensor
33. ion and or clogged lint screen 37 NO START CONDITION Follow this test procedure providing that the microprocessor controller is functioning where the display is in the normal operating mode and the motor indicator dot is on and the L E D motor output light is on The voltage you should be reading is 24 VAC unless otherwise specified Door Input L E D 1 Check to see if dOOr L E D input light is on Located on component side of the computer board If is off refer to dOOr in the trouble section Heat Motor Output L E D Output L E D 2 Check for voltage across the coil connections of the motor relay If voltage is evident _ Manually push down on the top of contactor if motor turns replace contactor 19 MOTORS B If motor doesn t turn problem is bad wire or the termination from the contactor down to motor or faulty motor 0 VOLT METER 3 Check for voltage across the microprocessor s 15 pin connector 5 blue wire and GND spade terminal on _ the microprocessor If voltage is evident problem is bad wire or termination on blue wire from the computer to the contactor coil or the green wire from TB 7 to the opposite end of the contactor coil If no voltage is evident problem is faulty computer MANGO VOLT METER 38 D NO DISPLAY CONDITION 1 Check power supply volg 110v 208v 220v Motors
34. lay on or in the dryers Children should be supervised if near dryers in operation SECTION II MAINTENANCE A CLEANING program or schedule should be established for periodic inspection cleaning and removal of lint from various areas of the dryer as well as throughout the duct work system The frequency of cleaning can best be determined from experience at each location Maximum operating efficiency is dependent upon proper air circulation The accumulation of lint can restrict this air flow If the guidelines in this section are met your American Dryer will provide many years of efficient trouble free and most importantly safe operation WARNING Lint from most fabrics is highly combustible The accumulation of lint can create a potential fire hazard SUGGESTED INTERVAL FUNCTION DAILY Clean lint from lint screen Inspect lint screen and replace if torn 90 DAYS Remove lint accumulation from lint chamber thermostats and Sensors WARNING To avoid the hazard of electrical shock discontinue electrical supply to dryer 90 DAYS Remove lint from the motor air vents and surrounding area 90 DAYS Inspect and tighten all set screws ie pulleys idler bearings tumbler bearings IMPORTANT Lint accumulation will restrict internal motor air flow causing overheating and irreparable damage Motor failure due to lint accumulation will void the manufacturer s warranty 120 DAYS On gas and electric models remove li
35. le from the factory by ordering part number 122804 1 Test gas water column w c pressure A Connect water column test gauge connection to gas valve pressure tap 1 8 NPT This pressure tap is located on the outlet downstream side of valves dh ran wm WATER ZERO LEVEL PLASTIC TUBING B Start the dryer With burner on the correct water column reading in inches would be NATURAL GAS 3 5 4 INCHES W C L P GAS 10 5 11 INCHES W C _ 2 To adjust water column pressure For natural gas models remove vent cap Turn the slotted adjustment screw located on top of the valve next to the terminals Turn clockwise to increase manifold pressure and counterclockwise to decrease for L P gas models there is no regulator on valve 17 1 Disconnect electrical power to dryer 2 Close all shut off valves in dryer gas supply line 3 Disconnect gas valve wiring NOTE Identify location of each wire for correct re installation 4 Break union connection nut between union shut off and gas valve 5 Loosen and remove screws 6 pipe brackets holding the 2 valve manifold assembly to the gas valve plate 6 Remove gas valve manifold assembly form dryer 7 Unscrew main burner orifice and replace with L P orifices supplied NOTE Use extreme care when removing and replacing orifices These orifices are made of brass which are easily ena k le 8 To convert gas valve for use with L P
36. mber thermostats 12 MONTHS Inspect bolts nuts screws non permanent gas connections unions orifices etc electrical terminals and grounding connections C LUBRICATION The new bearings idler bearings and tumbler bearing are sealed lubrication is not necessary SECTION INSTALLATION REQUIREMENTS Installation should be performed by competent technicians in accordance with local and state codes In the absence of these codes installation must conform to applicable American amp National Standards ANSI 7223 1 LATEST EDITION NATIONAL FUEL GAS CODE ANSI NFPA NO 70 LATEST EDITION NATIONAL ELECTRIC CODES A ENCLOSURE AIR SUPPLY AND EXHAUST REQUIREMENTS NOTE The following information is very brief and general For a detailed descripuon refer to the installation booklet for coin machines Bulkheads and partitions around the dryer should be made of non combustible materials Allowances should be made for the opening and closing of the control door and lint door Also allowances should be made in the rear for ease of maintenance refer to installation manual for recommended distances and minimum allowances required When the dryer is operating it draws in room air heats it passes this air through the tumbler and exhausts it out the building Therefore the room air must be continually replenished from the out doors If the make up air is inadequate drying time and drying efficiency will be adversely affected
37. mbly from dryer follow main door removal procedure 2 Lay main door on a flat surface with front of door face down 3 Remove glass and clean all old sealant off main door This area must be cleaned for correct bonding 4 Apply a narrow bead of silicone 170730 all around main door area where zisss will rest 5 Install glass on to door adhesive and slightly press glass in place IMPORTANT Do not press hard or silicone thickness glass and will be reduced resulting in poor bonding 6 The door assembly should now be put in an area where it will not be disturbed for at least 24 hours Depending on the conditions the curing time of the adhesive is 24 to 36 hours 7 After 24 hour curing period install main door on dryer by reversing step 1 1 Discontinue power to dryer 2 Follow procedure for of main door assembly 3 Open control door if replacing top panel 4 Open lint door if replacing bottom panel _ 5 Remove the screws securing the front panel to the dryer 6 Disconnect nies iron uier 7 Gently remove front panel assembly from dryer IMPORTANT When removing front panel emm be careful not to damage switch wires disconnected in step 6 8 Reverse this procedure for installing new front panel _ 1 Discontinue power to dryer 2 Follow procedure for removal of main door assembly 2 Follow procedure for removal of front panel assembly
38. motor mount at no less then 3 16 clearance 9 Reassemble in the reverse of the above procedure L IMPELLOR NOTE Follow 1 through 5 and 8 in Section V Part N 1 Open control door and right access door 2 Slide lint screen out 3 4 of the way reach through the access door and flip the hinge welded to the back side of the screen up 3 Slide lint screen out along the lint coop track 4 Reverse procedure for installing new lint screen 5 Close lint door 30 LINT SCREEN AD 235 _ 1 Open control door 2 Remove lint drawer assembly 3 Replace in reverse procedure 31 SECTION VI TROUBLE SHOOTING The information provided will help isolate the most probable components associated with the diffi culty described T he experienced technician realizes however that a loose connection or broken or shorted wire may be at fault where electrical components are concerned not necessarily the suspect component itself BES Electrical parts should awaya be checked for failure before returned to the factory The information provided should not be construed as a device for use 6 person in making repairs Only properly licensed technicians should service the m Observe all safety precautions displaced on the equipment or specified i in this manual while making repairs PHASE 5 COIN SYST DIAGNOSTICS All major circuits including door microprocessor temperature sensor hea
39. nced technician realizes however that a loose connection or broken shorted wire may be at fault where electrical components are concerned not necessarily the suspected component itself Electrical parts should always be checked for failure before being returned to the factory IMPORTANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED FROM INSTALLATION or TESTING OF ANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS A Controls Computer REPLACE COMPUTER 1 Disconnect power to dryer 2 Open control door 2 locks AD 230 1 lock AD 235 3 Open Computer Panel 1 Lock AD 230 1 Screw AD 235 4 Disconnect main power harness from the rear of the computer by squeezing the top locking tab and pulling connector straight back 5 Disconnect the green ground wire from the computer 11 6 Disconnect the ribbon from the computer 7 Remove the two 2 screws securing the computer to the control panel and remove computer from panel by pulling upwards on the corners 8 Install new computer by reversing this procedure 9 Be sure to check or reset programs 1 Discontinue power to dryer 2 Open control door and open control panel unplug keypad ribbon from computer board 3 Peel the keypad from the front of the control panel taking care to avoid scratching the panel 4 Clean any adhesive resid
40. nt from gas burner area with a dusting brush or vacuum cleaner attachment On steam dryers clean the coil Proper cleaning of steam coils is necessary to prevent lint build up between the fins When cleaning the coil be extremely careful not to bend the aluminum fins which will also reduce airflow If the fins air bent straighten them by using a comb Fin combs are available from local air conditioning supply houses Regular cleaning will prevent lint build up and blockage of the coil 6 Inspect and lint accumulation in the customer furnished exhaust duct work system Inspect exhaust back draft dampers to insure that they are not binding Inspect and remove all lint accumula tion from in and around control box area including coin acceptors Clean lint accumulation from around tumbler wrapper area IMPORTANT The accumulation of lint in the exhaust duct work can create a potential fire hazard AS REQUIRED In cleaning and care of the cabinet avoid using harsh abrasives A product intended for the cleaning of appliances is recommended B ADJUSTMENTS SUGGESTED INTERVAL FUNCTION 6 MONTHS Motor and drive belts should be examined Cracked or seriously frayed belts should be replaced Tighten loose belts when necessary and check belt alignment 6 MONTHS Complete operational check of controls and valves 6 MONTHS Complete operational check of all safety devices door switches sail switch burner and lint cha
41. r your convenience log the following information DATE OF PURCHASE MODEL NO DISTRIBUTORS NAME Serial Number s Replacement parts can be obtained from your distributor or the ADC factory When ordering replacement parts from the factory you can FAX your order to ADC at 508 678 9447 or telephone your orders directly to the ADC Parts Department at 508 678 9000 Please specify the dryer model number and serial number in addition to the description and part number so that your order is processed accurately and promptly IMPORTANT NOTE TO PURCHASER Information must be obtained from your local gas supplier on the instructions to be followed ifthe user smells gas These instructions must be posted in a prominent location near the dryer IMPORTANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS SUPPLY or THE STEAM SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING ADJUSTING INSTALLATION or TESTING OF ANY EQUIPMENT per OSHA Occupational Safety and Health Administration STANDARDS FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPOR AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE DO NOT DRY MOP HEADS IN THE DRYER DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES CAUTION DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION WARNING CHILDREN SHOULD NOT BE ALLOWED TO PLAY
42. s 1 8 amp fuse on board if it does check with ohm meter If no continuity replace with ADC P N 136048 If fuse repeatedly burns out go to step 4 2 Check for loose connection at the microprocessor sensor bracket harness connector located in lint compartment and the microprocessor 15 position connection at the microprocessor controller 1 8 AMP FUSE 1 3 Discontinue power to dryer Disconnect the microprocessor 15 position connector from microprocessor controller and locate connector holes no 10 and 15 Disconnect sensor harness from sensor bracket assembly located in the lint compartment Check for continuity across each wire from harness connector in lint compartment to appropriate microprocessor 15 position connector hole 10 and 15 If no continuity problem is break in wire or termination _ METER o 41 4 Check for continuity across each microprocessor _ Sensor wire microprocessor 15 position connector hole no 10 and 15 to ground If Continuity is evident problem is wire pinched to ground somewhere behind the front panel area OHM METER MANT214 5 If above procedures check out okay problem is a defective microprocessor temperature sensor 42 dOOr DISPLAY CONDITION When the display reads dOOr this indicates that there is a fault open circuit somewhere in the microprocessor controller s door switch circuit Include the door swit
43. t 8 Reverse procedure for installing new valve TAL LCALAR ane Er see Illustration below 1 Discontinue power to dryer 2 Remove hex nut and star varier om the burner En mounts the burner tube bracket to the gas valve plate 3 Lift burner tube and bracket up OVer the weld stud that had the 2 hex nut and Star washer on it in step 2 4 Disconnect the high voltage wire e and the flame sensor wire from the D S I module 5 Re assemble new up shot burner tube assembly p n 880741 i in reverse IMPORTANT Do not wrap the high voltage wire and flame probe wires together improper operation may result They may run alongside each other 1 Discontinue power to dryer 2 Refer to Replace up shot burner tube assembly steps 2 and 3 3 To remove either flame sensor ignitor probe one screw holds them to the burner tube bracket 4 If replacing flame sensor simply remove the screw and disconnect the connector on the flame sensor remove it 5 If probe remove screw 1 disconnect high voltage wire from 0 5 1 module TL 0 MANOS and remove the probe and high voltage wire from _ PSE IGNITOR UPSHOT URNER KIT the bracket 6 Replace new item s in reverse procedure IMPORTANT Do not wrap the high voltage wire and flame probe wires together improper operation may result They may run E other IMPORTANT
44. t and motor circuits are monitored The Phase 5 coin microprocessor controller will inform the user via the L E D display of certain failure codes along with indicators both in the L E D at the pm of each relay and door switch circuit to easily identify failures DIAGNCG 0 DISPLAY 2L 1 7 dOOr indicates door switch circuit is open a Keyboard was made while main door is open or b There is a fault in the door switch circuit external of the microprocessor controller 2 dSFL indicates fault in the microprocessor temperature sensor circuit If a fault is detected in the microprocessor heat sensor circuit the display will read dSFL and tone buzzer will sound for approximately 5 seconds every 30 seconds until a the problem is corrected or b power to the dryer is disconnected and the problem is then corrected 32 IMPORTANT The Phase 5 coin microprocessor controller has its own internal heat sensing circuit fuse protection located on the back side of the controller If a dSFL condition occurs check to see if this fuse has blown If it has DO NOT replace the entire microprocessor controller u the fuse and do so with a 1 8 Amp Slo Blo fuse ONLY NOTE Once the microprocessor controller detects problem in the heat circuit it updates every 30 seconds If the problem was a loose connection in this circuit which corrected itself the dSFL condition would be c
45. tch The main door switch is located behind the main door on the right hand side When the main door is opened the switch will also open preventing the dryer from operating The main door switch is a safety device and should never be disabled Lint Screen AD 230 The lint screen is located in the bottom portion of the front panel The lint screen prevents lint from entering the exhaust system The lint screen should be kept clean at all times Lint screens with tears or holes should be replaced immediately This type lint screen should be clean after every load Lint Drawer AD 235 The lint drawer is located on the left side behind the control door for the top pocket and for the bottom pocket it is behind the lint door The drawer purpose is to catch the lint so it will not enter the exhaust system Tumbler The tumbler consists of three ribs and a perforated basket along with a front and back which are riveted together as an assembly The tumbler also consists of tie rods which attach the tumbler to the drive system in the rear The felt collar helps to keep lint from accumulating behind the basket p Mh 5 gt SAE p s JM lt MAN2063 N H Tumbler Bearing and Pulley Arrangement The tumbler bearing and pulley arrangement is located viewing from the rear of the dryer approxi mately at the upper center of the dryer The arrange m
46. te operational check of all safety related circuits door switch es hi limit thermostat sail switch cycling thermostats etc SECTION IV DESCRIPTION OF PARTS A Control Panel Microprocessor Opening the control door will reveal the control panel assembly Opening the control panel will allow access to the major components which include the coin acceptors computer board and keypad The coin acceptor sends the signal to the computer that a coin has been inserted The keypad inputs to the computer what temperature has been selected The computer controls the entire operation of the machine It accepts inputs and send outputs to various parts throughout the machine B Control Box The control box is made up of motor contactor fuse s 24vac transformer and 30 position terminal block The fuse s protect the incoming voltage from shorting The transformer is used to break the incoming voltage to 24vac for the control voltage of the machine The 30 position terminal block is used to combine the various common wires throughout the machine for simplicity and ease of service The motor contactor is used to drive the motor when the computer applies voltage to the contactors coil C Coin Box and Vault The coin box and vault are located under the control panel When a coin passes the coin sensor it drops into the coin vault Opening the control door reveals the coin box To remove the coins turn the key and pull out D Main Door Swi
47. ue from the panel 5 Peel off paper backing from new keypad 6 Align the display window on the keypad with the cutout in the control panel and press in place 7 Connect keypad ribbon to the board and reconnect power to the dryer 8 Test for operation by pressing each temperature selection REPLACE COIN ACCEPTOR 1 Discontinue power to dryer 2 Open control door 2 locks AD 230 1 lock AD 235 3 Swing control panel open 4 Unplug optic switch harness connector 5 Remove one 1 screw holding acceptor in place 6 Pull coin acceptor out gently N 7 Reverse procedure for installing new acceptor 12 REMOVE OPTIC SWITCH 1 Disconnect power to dryer 2 Open control door 3 Open control panel 4 Unplug optic switch connector 5 Remove screw and washer holding optic switch to the coin acceptor and pull switch away 6 Reverse procedure for installing new optic switch 0 REPLACE COME TER RATUR N 1 Discontinue power to dryer 2 santol door 3 Remove M P sensor bracket assembly from the dryer A Disconnect sensor bracket harness connector B Loosen the two 2 phillips head screws securing the bracket assembly to the dryer _ and remove the bracket from the dryer NOTE Do not remove screws 4 Disassemble sensor probe from bracket assembly by removing the top push on fastener securing the probe to the bracket Use a small screwdriver to slowly pry the fast
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