Home

American Dryer Corp. AD-170SE User's Manual

1. American Dryer Corp eh eri Wa i F w AD 170SE Service Manual Phase 5 Microprocessor Controls and Timer Controls American Dryer Corporation 88 Currant Road Fall River MA 02720 4781 Telephone 508 678 9000 Fax 508 678 9447 e mail techsupport amdry com 123096 ADC Part No 450375 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 displayed on the equipment or specified in the installation operator s 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 SECURITE Do not store or use gasoline or Ne pas entreposerni utiliser d essence ni d autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de yout autre appareil other flammable vapors or liquids in the vicinity of this or any other appliance 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 chang
2. securing bracket assembly to the tumbler wrapper NOTE Do not remove the screws 4 Remove bracket assembly by slightly sliding bracket towards the rear of the dryer and to the left 5 Disconnect sensor bracket harness connector and remove bracket assembly from dryer 6 Disconnect the two 2 orange wires from the thermostat 7 Disassemble thermostat from bracket assembly by removing the two 2 mounting screws washers and nuts 8 Reverse this procedure for installing a hi heat protector thermostat 9 Reestablish power to the dryer D Sail Switch Assembly Gas Models Only The sail switch is a heat circuit safety device which controls the burner circuit only When the dryer is operating and there is proper airflow the sail switch damper pulls in and closes the sail switch Providing all the other heat related circuits are functioning properly ignition should now be established If an improper airflow occurs the sail switch damper will release and the circuit will open 26 To Replace Sail Switch 1 Disconnect power to dryer 2 Remove the two 2 screws which hold sail switch box cover to sail switch box 3 Disconnect the two 2 wires from the switch 4 Disassemble sail switch from mounting bracket by removing the two 2 screws securing switch in place l 5 Reverse this procedure for installing new sail switch Adjust sail switch as described in the next section To Adjust Sail Switch With the drye
3. D DSI Module Gas Models ONLY The DSI system consists of a microprocessor based control module along with an ignitor flame probe assembly This control utilizes a high voltage syn chronous spark ignitor and a rectified flame sensor probe signal to locally control all basic functions in the gas burner E Gas Burner Assembly Gas heated dryers are equipped with a gas burner assembly consisting of four 4 burner tubes gas valve spark ignition probe assembly sail switch and hi limit thermostat The inlet piping enters through the rear of the dryer on the left hand side viewing from the front and runs to the front of the dryer where the gas valve is located F Drive Motor The T E F C totally enclosed fan cooled drive motor is located approximately lower center of the dryer It sits on an adjustable base so that the motor can be easily adjusted to the left or right up or down forward or backward The drive motor is a 1 HP motor and operates on 208 to 460 volts 50 60 hertz 3 phase 12 MOUNTING BRACKET DS MODULE MANO460 MAN2655 VERTICAL ADJUSTMENT SCREW MOTOR BASE MANO48O BELT AND SHEAVE G Blower Motor and Impellor Gas and Steam The impellor is shaft driven The blower motor drives the shaft on which the impellor is mounted This enables the impellor to run at a higher RPM thereby producing a higher air flow CFM IDLER BEARING i H Idler Assembly Viewing f
4. DOOR LED Indicator should be on all the time even if the dryer is not returning unless the main door or lint drawer is open or there is a problem open circuit in the main door or lint drawer circuit NOTE If the dryer is started LED display indicator dots are on and there are no outputs heat and or motor output LEDs are off and the dOOr input LED is on the fault is in the Phase 5 OPL microprocessor controller itself If the failure was elsewhere i e dryer s door switch circuit the LED display would read dOOr if a keyboard entry was attempted If the LED display indicators are on the door LED input and motor heat output LED s are on and the motor and or heat is not active on then the problem is not the door switch circuit or the Phase 5 OPL microprocessor controller and is elsewhere in the dryer 49 C LED Display Codes The LED display informs the user of cycle status and program verification and displays important diagnostic and fault codes 1 Display Operating Status a Cycle in Progress While the dryer is operating the display will read which cycle is in progress For example in the drying cycle mode the display will read dr and in the cool down cycle mode the display will read CL b Cycle Status While a cycle is in progress the display will show the progress of the cycle load that is being processed 1 Automatic Drying Cycle The cycle status portion of the display will show
5. A Failed contactors B Failed arc suppressor A S board C Failed microprocessor computer D Failed motors 4 Drive motor runs burner is on but basket will not turn A Broken damaged or loose V belt B Belts are contaminated oil grease etc C Loose or broken pulley 5 Drive motor and blower start computer display heat indicator is on but there is no heat A Lint coop automatic safety thermostat 225 degree has failed B Sail switch is out of adjustment has failed or sail switch damper is not closing due to back pressure created by a restriction in the exhaust system C Failed burner hi limit 330 for gas models 290 for electric models safety thermostat D Failed ignitor flame probe assembly or probe is misadjusted E Eailed ignition DSimoduie F Failed gas valve G Failed microprocessor computer controller 41 6 Dryer operates probe sparks but gas does not flow A Dryer gas shut off valve is closed B Failed gas valve open coil in valve C Loose wiring connection from DSI module to gas valve Check voltage at gas valve D Failed DSI module 7 Dryer operates probe sparks but there is no ignition even though gas is evident A Gas pressure is too low Check manifold pressure and take necessary corrective action B Failed gas valve C Ignitor probe is out of adjustment readjust within gas flow D Lint accumulation in burner tubes 8 Dryer operates but is taking too long to dry A An inade
6. E touch pad on keyboard of microprocessor controller computer c The dryer will start and the display will show dr30 NOTE Pressing touch pads A B C D and F will also start the dryer Six 6 preprogrammed drying cycles A through F have been stored in the computer s memory See Computer Operators Manual for details 3 Make a complete operational check of all the operating controls to assure that the timing is correct temperature selection switches are functioning etc 4 Make a complete operational check of all safety related circuits door switch es hi limit thermostat sail switch cycling thermostats etc 5 For gas dryers a gas pressure test should be taken at the gas valve pressure tap of each dryer to assure that the water column pressure is correct and consistent NOTE Water column pressure requirements measured at the pressure tap on the gas valve body Natural Gas 3 5 4 Inches Water Column L P Gas 10 5 11 Inches Water Column On If computer program changes are required refer to the Phase 5 OPL Operator s Manual ADC P N 112147 for details 7 The dryer should be operated through one complete cycle to assure that no further adjustments are necessary and that all components are functioning properly 8 Check the electric service phase sequence While the dryer is operating check to see if the blower wheel is rotating in the proper direction Looking from th
7. Remove cap screws 3 Insert cap screws in tapped removal holes and tighten evenly until bushing becomes loose on shaft See Figure A on previous page e b 1 ae ify UA DR a e Se e AS IDLER SEARING 4 Remove bushing pulley and key SMALL IDLER PULLEY 5 Assemble bushing and sheave as shown in figure B on previous page When cap screwsare loosely inserted bushing remains fully expanded to provide a sliding fit on the shaft 6 Insert key on the shaft then slide sheave to desired position with cap screw heads to the outside 7 Tighten cap screws progressively There should remain a gap between the sheave hub and the flange of the bushing IMPORTANT Tighten screws evenly and progressively Never allow the sheave to be drawn in contact with the flange of the bushing This gap should measure from 1 8 to 1 4 Proper cap screw torque is 15 ft lbs If greater tightening forces are applied excess pressures will be created in the hub of the mounted sheave which may cause it to crack o To Replace Motor Pulley j VERTICAL ADJUSTMENT SCREW 1 Loosen V belts Rotate pulley and roll V belts out of grooves _ 2 Remove cap screws from bushing 3 Insert cap screws in tapped removal holes and tighten evenly until bushing becomes loose on shaft See figure A on previous page 31 4 Remove bushing pulley and key 5 Assemble bushing and sheave as shown in figure B Whe
8. Voltage wire 14 is insulated or capped i m wire 4 is connected to wire 7 ii wire 1 is connected to L1 6 B Data Label SERIAL NO 906340 BS MANUFACTURING CODE NUMBER E TYPE OF HEAT _ HEAT INPUT GAG NATURAL 426 000 BTUH Oa ELECTRIC SERVICE 208V 60HZ 3PH 3W_ 8A GAS MANIFOLD PRESSURE 35 N WO FOR USE WITH NATURAL AND LP GASES G ANS 22152 1888 CLOTHES ORYER vou When contacting ADC certain information is required to insure proper service parts information This information is on the data label located on the top right corner of the dryer viewed from the rear see illustration When _ ADC please have the model number and serial number _ readily accessible ee eee A Model number The model number i is an n ADC inber which describes the size sof the 7 dryer and the type of heat gas or steam B Serial number The serial number allows ADC to gather information on n your r particular Nee C Manitsenrog code number The E TE code sine is a number issued by ADC which describes all possible options on your particular model D gt Type of heata Describes the type of heat gas natural or L P st steam or electric E Heat nen ror gas dryers describes the heat input in British Thermal Units F Electric s service Describes the alectie service for your particular models E G Gas manifold pressure Describe the manifold pressure as taken at the
9. bearing to mount 4 Remove idler shaft with both bearings and idler pulleys still attached from dryer 5 Remove end retaining ring and loosen the two 2 set screws in the bearing race collar 6 Slide bearing off the shaft 7 Replace bearing by reversing procedure 35 8 Align idler pulley with basket pulley before tightening bolts 9 Reestablish power to dryer To Replace Rear Idler Shaft Pillow Block Bearing 1 Follow steps 1 through 3 from To Replace Front Idler Shaft Bearing 2 Remove retaining rings on each side of forward idler shaft pillow block bearing 3 Loosen the two 2 set screws on each bearing collar 4 Slide both bearings off the shaft 5 Replace by reversing procedure 6 Reestablish power to dryer I V Belts See illustrations in section F Pulleys V belts should have proper tension If too loose they will slip excessive wear on the bearings 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 belt V Belt Tension Adjustment Basket to Idler 1 Discontinue power to dryer 2 Back off jam nuts on idler adjustment belts 3 Tighten belts by turning both bolts evenly clockwise Turn clockwise to loosen belts 4 Check vertical plane of idler pulley for parallel alignment with basket pulley 5 If realignment is required loosen basket pulley and bushing and
10. computer a If no voltage is present check for voltage across the 15 pin modular connector n nos A and2 against ground If voltage i is eviden at both points problem is bad wire s or termination s between terminal block 5 and pin 2 of the 15 pin modular connector or pin 1 of that same _ Connector to the in line connector on the output of the 24 volt XFMR located i in the computer box area 7 B If voltage is not kaien at both points and ital an 1 amp 2of the 15 pin modular connector located in a box a area againsi gouno E If no voltage at either two gt points Problem is faulty 24 V XFMR TI 141403 If voltage at one pone trace the voltage fhitough the line drawer switch and the main door _ Switch and their connectors J3 and J4 to the 15 pin modular connector 2 If voltage pa at any one of the Lene plae the switch oe If voltage stops at a connector check the termination or wire back to the p prior connector 8 Microprocessor reads DSFL S A Replace the temperature sensor underneath the baket ona bracket the t bullet shaped device 4 B If it still reads DSFL unplug the 4 pin connector from the temperature sensor bracket _ Also unplug the microprocessor 15 pin connector from the computer board Where the white red striped wire is going into the connector take a continuity reading across the wire and that same wire from the 4 pin connector that you unplugged earlier in this par
11. e gas valve pressure tap see Using a OMERE 61 C Using a Manometer al With dryer in non operating mode remove plug on the gas valve pressure tap p Attach plastic tubig to pressure tap Fitting i is supplied with manometer see lustraton 3 Attach manometer to dryer using magnet 7 4 Fill manometer with water as shown i in illustration PRESSURE ra gt to the zero vere GAS VALVE nn T 3 3 gt PLASTIC TUBING 18 NPT FITTING S ss FILL WITH WATER TO ZERO LEVEL MAGNET A NATURAL GAS 3 5 4 0 inches W C 5 Start dryer With burner on take a reading _ A Read water level at the inner tube Readings should be taken at Gi level B Correct readings should be L P GAS 11 10 5 inches W C _ 6 If water column pressure is incorrect refer to S S TO ADJUST GAS PRESSURE NNER TUBE 7 Reverse procedure for removing manometer QUTER TUBE IH MaNo7o7 62 D AD 170SE Tool List Straight Head Screwdriver Phillips Head Screwdriver Sensor Pin and Socket Tool P N 122801 Pliers a 1 4 Nut Driver 3 8 Open End Wrench 5 8 Open End Wrench 5 8 Deep Socket Wrench 3 8 Socket Wrench 1 2 Socket or Open End Wrench l 1 4 Open End Wrench 5 16 Socket or Open End Wrench 7 Socket Wrench E 7 16 Socket or Open End Wrench 5 16 Nut Driver 12 Pipe Wrench 2 TEE i 1 8 T Shaped or L Shaped Allen Wrench 3 16 T Shaped or L Shap
12. hinge pad RONT PANEL 2 Reverse this procedure for reinstalling new main door assembly To Install New Main Door Glass 1 Remove main door assembly from dryer follow main door removal procedure 2 Lay main door on flat surface with front of door face down MAIN DCCR 3 Remove glass and clean all old sealant off main door This area must be completely cleaned for correct bonding MAIN DOOR HANDLE MANO0548 4 Apply a narrow bead of silicone ADC P N 170730 all around main door area where glass will rest 5 Install glass onto door adhesive and slightly press glass in place IMPORTANT Do not press hard or silicone thickness between the glass and door 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 this adhesive is 24 to 36 hours 7 After 24 hour curing period install main door on dryer by reversing step 1 28 To Replace Front Panel 1 Discontinue power to dryer 2 Remove main door switch and bracket assembly 3 Follow procedure for removal of main door assembly 4 Open control service door 5 Remove lint drawer and open lint door by removing two 2 screws 6 Remove the twelve 12 Phillips head screws securing front panel to dryer 7 Pull wires up through front panel door switch wire channel and gently remove front panel assembly
13. is on whenever the Phase 5 OPL microprocessor controller is calling for the heating circuit to be active on 3 Reversing Indicator indicator dot is on when the drive basket tumbler motor is operating in the reverse mode counterclockwise direction 4 Reversing Indicator indicator dot is on when the drive basket tumbler motor is operating in the forward mode clockwise direction Phase 5 OPL Microprocessor Controller Relay Output LED Indicators There are five 5 LED indicators red lights located at the lower backside area of the Phase 5 OPL microprocessor controller They are dentified labeled from left to right as shown in the illustration on this page as HEAT MTR blower motor FWD forward REV reversing and DOOR These LEDs indicate that the outputs of the Phase 5 OPL microprocessor controller or in the case of the door switch are functioning 1 HEAT Output LED Indicator If the dryer is started and there is no heat yet the microprocessor controller display heat circuit indicator dot is on but the heat output LED indicator is off then the fault is in Phase 5 OPL microprocessor controller itself If both display heat indicator dot and the heat output LED indicator are on then the problem is elsewhere i e external of the microprocessor controller 47 es 6 fo Je fel of oye fey o dSFL Fuse 1 8 AMP JF i H AAOC 4 2 MTR Output LED Indicator If the dryer is star
14. move basket pulley to proper position 6 Retighten jam nuts 7 Reestablish power to dryer 36 V Belt Tension Adjustment Motor to Idler 1 Discontinue power to dryer gt Loosen the nuts on the four 4 studs holding the drive motor mount to the back of the dryer 3 Loosen the jam nuts on the adjustment screw on the top of the motor mount 4 Turn the adjustment screw to lower the motor mount to tighten the belts or raise the motor mount to loosen the belts 5 Check the vertical plane of the motor pulley and idler pulley for parallel alignment 6 If realignment is required loosen motor pulley and bushing and move motor pulley to proper position 7 Retighten motor mount bolts and jam nuts 8 Reestablish power to dryer To Replace V Belts 1 Loosen tension on V belts so that they can easily be rolled off pulleys 2 Replace V belts 3 Retighten V belts and adjust tension and alignment pet previous instructions NOTE Always replace V belts in pairs J Motors J VERTICAL ADJUSTMENT SCREW To Replace Drive Motor E 1 Discontinue power to dryer 2 Remove drive belts 3 Disconnect wiring harness from motor 4 Remove bolts holding motor to mount and replace with new motor Do not tighten bolts 5 Remove pulley from old motor and install on new OTER BASS motor MaNCS BELT AND SFEAVE 37 6 Align motor pulley with idler pulley and align motor shaft with idler shaft and tigh
15. the percentage of extraction 2 Timed Manual Drying Cycle The cycle status portion of the display will show the drying or cool down time and will count downward until the programmed time has expired c Alternate Display Programs Programming allows for the display to read just the cycle in progress or just the basket temperature or to flash back and forth from cycle in progress to basket temperature while the dryer cycle is in progress d Indicator Dots Located at the top of the display is a series of dots which indicate the various microprocessor controller output functions while a cycle is in progress epr Illus No 3 BLOWER MOTOR INDICATOR This indicator dot is on whenever a cycle is in progress In addition when the anti wrinkle program is active this indicator will be on whenever the microprocessor controller is in the guard on time program Ir wer JY No CYCLE we oe COCK OOWN CYCLE Illus No 4 HEAT INDICATOR This indicator l iC 2 CYCLE STATUS dot is on whenever the microprocessor controller eae YORE ISF AS OF EXTRACTION is calling for the heating unit to be active on P E R ee E ERG La CN INDICATOR DRYER iS IN CRERAT NG MODE 4 EAT ON INDICATOR Ww BASKET IN REVERSE CDE CTW NCOICATOR iC RASKET IN FORWARD MOCE Cw iND CA7OR MANOS5S4 om 50 Illus No 5 REVERSE INDICATOR This indicator is functional for models with the reversing action option only This indicator will
16. valves orifices and ground connections Motor and drive belts should be examined Cracked or seriously frayed belts should be replaced Tighten loose V belts when necessary Complete operational check of controls and valves Complete operational check of all safety devices door switch lint drawer switch sail switch burner and hi limit thermostats C Lubrication The motor bearings idler bearings and basket tumbler bearings are permanently lubricated No lubrication is necessary The impellor Fan shaft bearings should be lubricated every three 3 months SECTION III 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 NATIONAL STANDARDS ANSI Z223 1 latest edition National Fuel Gas Code and or ANSI NFPA No 70 latest edition National Electric Code A Enclosure Air Supply and Exhaust Requirements Bulkheads and partitions around the dryer should be made of noncombustible materials Allowances should be made for the opening and closing of the control door and lint drawer Also allowances should be made in the rear for ease of maintenance Refer to appropriate 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 basket and exhausts it ou
17. your diagram is CR3 also the markings on the coil are A1 and A2 If there is voltage replace the coil or the complete contactor If there is no voltage check for voltage across the two BS1 terminals on the arc suppressor board If there is voltage across the two BS1 terminals and no voltage across the coil of the reversing contactor Al and A2 the problem is bad wire s or termination s between BS1 and the contactor coil If there is no voltage between the two BS1 terminals on the arc suppressor board check for voltage across the two AS1 terminals on the board _ If there is no voltage across the two AS1 terminals and no voltage across the two BS1 terminals replace the arc suppressor board If there is no voltage across the two AS1 terminals the problem is bad wire s or termination s between the arc suppressor board and the computer 15 pin connector no 8 or a faulty computer 56 4 Blower motor does not operate drive motor runs A Check for MTR across terminals Al and A2 of the imp llor contactor This is the single _ contactor in the rear control box If weed is resent check for voltage across the blow n motor if there i is aes at the blower motor replace the motor If erei is no v lfag at the blower motor problem is bad or terminations between the contactor and the motor E BIg there i is no voltage present at A1 and A2 of the c contactor check for voltage across the two BS3 terminal
18. 8 Reverse this procedure for installing new front panel 9 Reestablish power to dryer To Replace Main Door Hinge Pad 1 Discontinue power to dryer 2 Follow procedure for removal of main door assembly 3 Follow procedure for removal of front panel assembly 4 Disassemble hinge pad from front panel by removing the Phillips head screws located on the back side of the front panel IMPORTANT When removing hinge pad assembly from front panel be careful not to damage main door switch wires 5 Reassemble by reversing removal procedure 6 Reestablish power to dryer 29 F Pulleys To Replace Tumbler Pulley 1 Loosen V belts Rotate pulley and roll V belts out of grooves 2 Remove cap screws from the bushings 3 Insert cap screws in tapped removal holes and tighten evenly until bushing becomes loose on shaft See figure A 4 Remove bushing pulley and key MANO536 5 Assemble bushing and sheave as shown in figure B When cap screws are loosely inserted bushing remains fully expanded to provide a sliding _ fit on the shaft 6 Insert key on the shaft then slide sheave to desired position with cap screw heads to the outside 7 Tighten cap screws progressively There should remain a gap between the sheave hub and the flange of the bushing IMPORTANT Tighten screws evenly and progressively Never allow the sheave to be drawn in contact with the flange of the bushing This gap should meas
19. ING CHILDREN SHOULD NOT BE ALLOWED TO PLAY 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 IS 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 Table of Contents SECTION I Important Information cccccssssssssssssssscscscscsceseccccecee 3 Pra Sate by Preca GORS 5 57565 sccscu cps beta sued au castathabesecas a Teacadeteaecetsaasies SH Pris CMC ARUN cipra a a a a a a WD ENO US TING TIS sects sat N E AEE Stasis ce acts atau AE ESTAT 7 Gs Lunac ALON osc 2 cts xis exrtests toot ears ain ye cas a estate 7 SECTION IIT Installation Requirements cccsccscsssssssssessescessescosees S A Enclosure Air Supply and Exhaust Requirement c c ccccsssssssssssssssseseescsssecesecececsseseseeee 8 B Electrical and Gas Requirements 0 c cccccssssssscsscsssscescsscsscssssseecsscsecssccacssscaseseeucsacecceces
20. Sensor Bracket Non Computer The non computer temperature sensor bracket consists of four 4 thermostats Three of them are the certain temperatures that the machine should cycle on and off at The fourth one is the 225 F safety basket hi limit that should only react when it sensors an over heat condition exceeding 225 F 16 SECTION V Servicing Introduction All electrical mechanical service or repairs should be made with the electrical power to the dryer disconnected power off The information provided in this section should not be misconstrued as a device for use by an untrained person making repairs Service work should be performed by a 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 Before considering replacement make sure that all connectors are in place and making proper contact 17 A Computer Controls To Replace Computer 1 Disconnect power to the dryer 2 Disconnect main power harness from rear of computer by squeezing locking tab and pulling connector straight back U2 Disconnect the green ground wire from the computer 4 Disconnect keyboard ribbon from the computer 5 Remove the two hex nuts securing the computer to the sheet metal
21. aah acti E E O E EAEE 16 FeLi Drawer SWC scoscese n a a a a a 16 O Steam Damper System acoitar Tai 16 SECTION V Servicing cccssscsscsssscssscsssssescsscssccssscsceessecsssesssssssecsscesceeee 17 As COMPULER COM GIS areia a Eaa E AEE E 18 D Ipainor Conio lS annan A e a Sa 20 Co NC MNO SUMS aaien a E OE E E TO 29 D Sail Switch Assembly Gas Models ONLY cccsccsscssssesscssssesscessscsssscssssscessscssscssesecsess 26 E Front Panel and Main Door Assemblies ccccsssssssesssssscscscssscsseccscscssccsacesaseccessceeneeeeeens 27 Fs SDL a E E A E E ag A E E A AERA A sans pes EEEE 30 O BaISket ASSET Y eogi E a 32 H Beari 4 PDC ATIOS ist Salona fbn o e058 2a at Sap heSeeaat E a a eacnes eoenteuadedauidedea 3 Ws VBE IES crus a see a eoad T E agedbeacie cacmates a a NA 36 Ds MOTS cscscccss 28 tase leis ccspenametceccab ae sesvecks tunes eaucatiamesacedlancastauieaseulicste EE 37 Ke Tepe Or aeni ta E A E E E EE mete ates 39 LLD Dra Wer ASSE MD Y seuscssnctesceetiaresteccaasidobadtinwsavecestaeiavaindesonsyticaneuaceeresss a 39 SECTION VI Troubleshooting sscssssscsesscsersscersssessecseesscssseeseees AO SECTION VII Electrical Troubleshooting scssssscsssssssscsssssssseses 45 A Phase 3 OPL System Diagn Osis ounous a aa a 46 BLED Display Mdic tors ssori a Na aE E R 47 C LED Display CodeS suieta aa a a a E TEA nest 50 D Computer Logic and Wiring Diagram sessssssccseccsesessscnssen
22. agraph If there is no continuity check for break in wire a Short to the ground loose ec art or even replace the wire If there is continuity do the same thing to the black w wire e right next to the white red striped wire in the 15 pin connector if there i is no continuity check for break in wire a short to ground loose terminations ore even replace the wire Tf there is continuity computer board is faulty 59 SECTION VIII Technical Information The following section contains various technical information important to the service person in servicing and mening the dryer a a 7 A Me otor Plate i Tigh and Low Voltage LIEZLI T EEES 7 DN e CAPD MOTOR PLATE a DRIVE MOTOR MANI552 _The motor plate is located on the side of the drive motor wiles illustration and contains a graphical a o representation of the motor wiring for both low voltage raning Ai and high voltage rating Removing the cap reveals the wiring to the motor On each wire there j iS a number which corresponds to the numbers on the motor plate Depending on whether the dryer is ome onlow voltage or high vonage the RE should match the motor pat as follows EZ The dots and d lines represent connections see flustration For example On n Low Voltage wire 14 is connected to wire 4 o wire 1 is connected to wire 7 which i in turn are both connected toLl ee A On High
23. always accurate A manometer is simply a glass or transparent plastic tube with a scale in inches When filled with water and pressure applied the water in the tube rises showing the exact water column pressure NOTE Manometers are available from the factory by ordering ADC P N 122804 1 To Test Gas Water Column W C Pressure GAS VALVE a Connect water column test gauge connection Gas varve to gas valve pressure tap 1 8 NPT This TEATAR pressure tap is located on the outlet manifold side of the valve b Start dryer With burner on the correct water column reading in inches would be Natural Gas 3 5 4 Inches Water Column ANER TUBE L P Gas 10 5 to 11 Inches Water Column 2 To Adjust Water Column Pressure natural gas only L P gas must be regulated at source EO a Remove the slotted vent cap on the top of the valve b Turn the slotted adjustment screw located on the top of the valve next to the terminals Turn clockwise to increase manifold pressure and counterclockwise to decrease NOTE If correct W C pressure cannot be achieved problem may be due to an undersized gas supply line a faulty or underrated gas meter etc De To Convert from Natural Gas to L P Gas NOTE All dryers are sold as natural gas unless otherwise specified at the time the dryer order was placed For L P gas the dryer must be converted as follows 1 Refer to Replace Gas Valve and follow steps 1 throu
24. ational sensor circuit failure meaning that there is a fault somewhere in the basket tumbler rotation detection circuit or the Phase 5 OPL microprocessor controller program related to this circuit Program Location 2 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 overheating condition The Phase 5 OPL microprocessor controller 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 bUZ will sound for approximately 5 46 seconds and the LED display will read Hot until the temperature has dropped to 220 F or lower and the Phase 5 OPL microprocessor controller is manually reset by pressing the Clear Stop key 3 B LED Display Indicators The LED indicator dots located at the top portion of the LED display as shown in the illustration below indicate the Phase 5 OPL microprocessor controller output functions while a cycle is in progress These indicator dots do not necessarily mean that the outputs are functioning They are only indicating that the function output should be active on MAN1545 1 Blower Motor Circuit Indicator indicator dot is on whenever a cycle is in progress 2 Heat Controller Indicator indicator dot
25. be on when the basket is in the reverse counterclockwise direction Uus No 6 FORWARD INDICATOR This indicator dot is functional only for models with the reversing action option only This indicator will be on when the basket is in the forward clockwise direction In addition when the anti wrinkle program is active this indicator dot will be on whenever the microprocessor controller is in the guard on time program LED Display Codes A AUtO ArEv b bUZ bUZ tinE CEL CL COOL tinE COOL tEnP CYA CY b CYC CY d CYE CY F CYC1L tinE d Slope Factor Automatic Mode Patent No 4 827 627 Always Reverse Heat Loss offset Factor Buzzer tone Buz Time Degree in Celsius Cool Down Cycle in Progress Cool Down Time Cool Down Temperature Preprogrammed Cycle A Preprogrammed Cycle B Preprogrammed Cycle c Preprogrammed Cycle D Preprogrammed Cycle E Preprogrammed Cycle F Cycle Display Time Dryness Level percentage of extraction Numerical Value 51 donE door dr drY LEuL drY tEnP dSFL F FAr FILL FLS GdLY G on tInE Grd Hot MAnU MGrd nbUZ nFLS nGrd nrEu ProG rEu SC Drying or Cooling Cycles Complete or Dryer is in Anti Wrinkle Program Door Circuit is Open or Fault in Door Switch Circuit Drying Cycle in Progress _ Dryness Level percentage of extraction Drying Temperature Dryer Sensor Circuit Failure Fabric temperature Degree in Fahrenheit No Cycle in P
26. c that eomponents 57 D If voltage is present refer to DSI technical manual N 450119 or if equipped with ADC style DSI module refer to technical manual EN ne 6 No Heat 3 drive and blower motors run display reads normal Steam Models E A Check for valisge across terminal block nos 3 and A If no volage is present probiem is bad wires c or termination between terminal block 3 to MP harness connector pin 4 B If voltage i is ii oo for voltage across terminal block nos 4 and Tes If no voltage i is present problem i is bad wire s or EE from terminal block 3 to tumbler hi limit switch and back to terminal block 4 or faulty tumbler hi limit gwalch Cif glask is present across terminal block nos 4 md 1 check for voltage across the Pneumatic Steam Damper Solenoid red amp green wires 3 If no yoliga is present problem i is bad wits o or pterinanon between terminal block nos 4 and 7 and the SPSI Solenoid If voltage is present problem is faulty Damper Solenoid 7 Door condition NOTE Make sure main door and lint drawer are closed Also if checking either switch the plunger must be e depressed i Check LED input t light door on component side of the computer It light i is On replace f computer A Check dian 24 VAC across ena block nos 5 and 7 Alf voltage i is present probem is bad wire s or tecuination a between terminal block 5 and computer 15 pin connector 2 or faulty
27. control panel Remove the board by pulling the other two comers off the clinch studs 6 Install new computer by reversing this procedure 7 When replacing the computer the A and B factors must be reprogrammed see Computer Operator s Manual for details NOTE The A and B factors are printed on a label located on the rear of the control panel see illustration 8 Reestablish power to dryer To Replace Keyboard Label Assembly 1 Discontinue power to dryer 2 Unplug keyboard ribbon from rear of computer 3 Slowly peel off and remove keyboard label assembly from control panel 18 4 Peel paper backing off new keyboard label assembly i the panel insert the keyboard ribbon through the rectangular slot in the control panel Align label assembly into position by matching the red viewing window on the label to the rectangular cutout in the panel and gently press into place 5 Holding the new keyboard label assembly close to Jek it 9 2 le ali JOAR 31010 JOL 6 Connect keyboard ribbon to the computer 7 Reestablish power to dryer MANOSSI eplace Microproc rP TEMPERATURE SENSOR 1 Discontinue power to dryer i 2 Remove lint drawer Remove two 2 screws securing lint door and remove lint door 3 Remove microprocessor sensor bracket assembly from dryer a Disconnect sensor bracket harness connector b Loosen the two 2 Phillips head screws secu
28. d the hazard of electrical shock discontinue electrical supply to dryer STEAM DRYERS Clean steam coil fins using compressed air and a vacuum cleaner with brush attachment NOTE When cleaning steam coil fins be careful not to bend the fins If fins are bent straighten by using a fin comb which is available from local air conditioning supply houses 90 Days Remove lint from basket drive motors and surrounding areas Remove lint from gas valve burner area with a dusting brush or vacuum cleaner attachment NOTE To prevent damage avoid cleaning and or touching ignitor flame probe assembly Remove lint accumulation from inside control box and at rear area behind control box 6 Months Inspect and remove lint accumulation in customer furnished exhaust duct work system and from dryer s internal exhaust ducting WARNING THE ACCUMULATION OF LINT IN THE EXHAUST DUCI WORK CAN CREATE A POTENTIAL FIRE HAZARD WARNING Do not obstruct the flow of combustion and ventilation air Check customer furnished back draft damper in exhaust duct work Inspect and remove any lint accumulation which can cause damper to bind or stick NOTE A back draft damper that is sticking partially closed can result in slow drying and shutdown of the heat circuit safety switches or thermostats B Adjustments Days after installatio ve h Inspect bolts nuts screws bearing set screws nonpermanent gas connections unions shut off
29. e appropriate microprocessor dot on Also appropriate LED output light on NOTE In this next section when checking for voltage you are looking for 25 AC volts unless otherwise specified 2 Drive motor reverses but does not go forward blower motor runs A If computer dot first dot on the left does not come on replace the computer B Check for voltage across the coil of the forward contactor located in the rear panel box The contactor according to your diagram is marked CR2 The coil markings Al and A2 If voltage is present there is a bad wire s or termination s between BS2 and contactor coil CR2 aD C If there is no voltage between the two BS2 terminals and no voltage across the two BS2 terminals replace the arc suppressor board If there is voltage across the two AS2 terminals and no voltage across the two BS2 terminals replace the arc suppressor board If there is no voltage across the two AS2 terminals on the arc suppressor board the problem is a bad wire s or termination s between the AS2 board and the 15 pin computer connector no 3 or faulty computer 3 Drive motor works in forward mode but does not reverse blower motor runs A If computer dot second one from left does not come on check program to see if set for B G reverse If set for reverse replace computer Check for voltage across the coil of the reversing contactor located in the rear panel box The contactor according to
30. e front the blower wheel should spin in the clockwise direction If so the phasing is correct If the phasing is incorrect reverse _ two 2 leads at connections L1 L2 or L3 of power supply to the dryer 10 SECTION IV Description of Parts A Control Panel Microprocessor Lifting the control door will reveal the control panel assembly Opening the control panel will allow access to the major components which include the computer board and keypad The keypad inputs to the computer what temperature and program has been selected The computer controls the entire operation of the machine It accepts inputs and gives outputs to various parts throughout the machine B Control Panel Non Microprocessor On models without microprocessors a timer is used to set a specific time Most non microprocessor machines are built with dual timers a 60 minute dry timer and a 15 minute cool down timer The temperature selector switch selects the Hi Perm Press or Lo Temp The Push to Start relay activates the machine which starts the drying cycle C Control Box 30 POSITION TERMINAL BLOCK Lifting the control door and opening the computer panel will reveal the control box Inside the control box are all the electronic control components Located on the back of the control panel is the computer Included in the control box are the 30 position block fuse block and transformer FUSE MANT554 11
31. e lint switch avei and disconnect the two 2 terminals of the switch 6 Remove switch by pressing tabs together and push switch out 7 Install new switch by reversing procedure 39 SECTION VI Troubleshooting The information provided will help isolate the most probable component s associated with the difficulty described The 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 ELECTRICAL PARTS SHOULD ALWAYS BE CHECKED FOR FAILURE BEFORE BEING RETURNED TO THE FACTORY The information provided should not be misconstrued as a device for use by an untrained person in making repairs Only properly licensed technicians should service the equipment OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE EQUIPMENT OR SPECIFIED IN THIS MANUAL WHILE MAKING REPAIRS Refer to section Electrical Troubleshooting for a detailed troubleshooting procedure for electrical components o 1 No display on computer A Open circuit breaker switch or blown fuse B Tripped overload on the blower MTR C Bad wiring connection D Faulty microprocessor computer controller 2 Computer will not accept key pad entries A Key pad ribbon is not plugged into computer securely B Keypad is defective C Faulty microprocessor computer controller 40 3 Dryer will not start but computer display indicators are on
32. e or discontinue models Important For your convenience log the following information DATE OF PURCHASE MODEL NO AD 170SE 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 if the 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 WARN
33. ed Allen Wrench 63 Wire Cutters 1 2 Allen Wrench 3 3 Allen Wrench m Channel Locks Manometer ADC P N 122804 MP Pin Extraction Tool ADC P N 122800 ADC 450375 1 01 22 97 50 2 01 30 98 50 3 05 24 99 20 American Dryer Corp 4 02 04 00 25 S 02 25 00 50 6 08 16 01 25 mnie Vee ay e 7
34. eeeesececeeees EET ss 53 SECTION VIII Technical Information secccccsccssssssssssssssssssscssssscessesseesees 60 A Motor plate High and Low Voltage sessessssssssssesscesosssssseoeresancesessssnssesessns EE E chicas 60 B Data Label Saag EIA E ATTE E E OEE EA A E EAEE E EE 61 SIND a Manon ete ran EE E sures estab caeeencacseeeaceuesees 62 D AD 1709SF ToOr Listan n a EN PAETE E AEA E E EATE 63 SECTION I Important Information A Safety Precautions 1 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other 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 prominent location 3 Dryer must be exhausted to the outdoors 4 Although ADC s dryer is a very versatile machine there are some articles that due to 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 mopheads Contamination by wax or flammable solvents will create a fire hazard WARNING Do not use heat for drying articles that contain plastic foam sponge rubber or similarly textured rubberlike materials Drying in a heated aes may canes plastic or r
35. er 2 Remove backguard 3 Remove basket pulley 4 Loosen lateral adjustment jam nuts and bolts Refer to illustration in section G Basket Alignment 5 Loosen set screws 2 from rear pillow block bearing collar 6 Remove the rear bearing bolts securing bearing to bearing mount Remove bearing 7 Replace by reversing steps 3 through 6 8 Adjust both lateral and vertical basket alignment 9 Replace backguard 10 Reestablish power to dryer To Replace Front Basket Support Pillow Block Bearing 1 Discontinue power to dryer 2 Remove backguard 3 Follow steps 3 through 6 from Replacement of Rear Basket Support Pillow Block Bearing 4 Remove the two 2 retaining rings from the tumbler shaft 5 Remove the two 2 bolts holding the front basket support pillow block bearing to the dryer 6 Loosen bearing collar set screws 2 and as the end of the basket shaft is lifted up slightly slide the bearing off the shaft 7 Prop a block of wood between the basket shaft and the bearing to the dryer 8 Replace by reversing steps 2 through 6 NOTE Before replacing back guard check basket lateral vertical adjustment as well as belt adjustment and readjust if necessary 9 Reestablish power to dryer To Replace Front Idler Shaft Pillow Block Bearing Bearing nearest the back of the dryer 1 Discontinue power to dryer 2 Remove V belts from idler pulleys 3 Remove bolts holding each idler pillow block
36. er will not heat go THERMOSTAT l l A MANC534 2 i 22 O Lint Drawer The lint drawer is a pullout type and is located at the bot tom of the dryer in the lint compartment Simply grab the lint drawer handle slide out the drawer brush off the lint and slide the drawer back in The lint screen must be kept clean in order for the dryer to operate properly and effi ciently 15 P Lint Drawer Switch The lint drawer switch is located in the lint compartment and attached to the side of the lint drawer track The lint drawer switch insures that the dryer will operate only when the lint drawer is completely closed This is a safety device and should never be disabled Q Steam Damper System The newest type system is called the steam damper It is Shown to the right and it uses a piston with compressed aif esy co to open and close the steam damper which in turn allows the air to flow either through the coil for heat or under the nein coil for cool down Air supply is 80 PSI 10 PSD ae M i Laiston _ ICRO VALVE MANC887 SUPPORT SUPPORT R Compressed Air Requirements The model AD 170SE requires an external supply of air 2 5 cfm 80psi on the steam models the air is necessary to operate the damper system On both steam as well as the gas model the air is necessary required for the blower air jet operation to clean lint from the impellor fan squirrel cage type S Temperature
37. gh 6 2 Remove the four 4 screw which secure the top cap assembly This assembly contains the regulator adjustment screw and the terminal connections 3 Replace the top cap assembly with the L P version 4 Unscrew main burner orifices and replace with L P orifices 5 Reverse the procedure for reinstalling valve assembly to the dryer WARNING Test all connections for leaks by brushing on a soapy water solution NEVER TEST FOR LEAKS WITH A FLAME NOTE There is no regulator provided in an L P dryer The column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer 23 To Replace Burner Tubes 1 Refer to Replace Gas Valve and follow steps 1 through 6 2 Remove four 4 screws securing manifold rest and remove rest Remove the screws securing the front flanges of the burner tubes to the burner tube rest G2 4 Remove the screws securing the burner tube rest to the oven and remove this rest MAN2655 5 Remove screws securing the sight hole disk and burner box cover plate to the oven and remove both of these pieces 6 Remove burner tubes by sliding them out 7 Replace by reversing procedure WARNING Test all connections for leaks by brushing on a soapy water solution NEVER TEST FOR LEAKS WITH A FLAME To Replace DSI Module MOUNTING BRACKET 1 Discontinue power to the dryer 2 Remove the wires connected to the ter
38. gram number for your particular machine This number is located on the top right hand corner of the diagram It is a six 6 digit number followed by a letter to distinguish the revision dates see illustration The wiring diagrams used in Troubleshooting are specifically for dryers manufactured at the time of publishing Your particular model may vary slightly depending on the date of manufacturing and options available The correct wiring diagram and number is either taped to the rear of the control door on each dryer or placed in the control box If your particular diagram is lost or unreadable call ADC with the serial number of the dryer ADC will be more than happy to send you a diagram by fax or mail 54 1 No Display Condition A Check main fuses or circuit breaker B Check blower motor overload If tripped reset C Check fuse 1 or fuse 2 and if either are blown replace D pone terminal block nos 6 and 8 you should be getting your 208 V or 240 V If no voltage is present at 6 and 8 double check steps A and B and also check wires and terminations at these points E Take voltage reading across the microprocessor 15 pin connector nos 7 and 13 If there is voltage replace the computer If there is no voltage there is a bad wire s or termination s between terminal block nos 6 and 8 and microprocessor 15 pin connector nos 7 and 13 NOTE In this next section all voltage checks must be done in the operating mode with th
39. he LED display of certain failure codes along with indicators both in the LED and the outputs of each relay and door switch circuit to easily identify failures Diagnostic LED Display Failure Codes 1 door indicates door switch circuit is open a Keyboard entry was made while main door or lint drawer is open or b There is a fault in the door switch circuit external of the Phase 5 OPL microprocessor COnTONET 2 dSFL indicates a fault in the microprocessor temperature circuit If fault is detected in the microprocessor heat sensor circuit the display will read dSFL and the tone buzzer will sound for approximately 5 seconds every 30 seconds until a The problem is corrected or b Power to the dryer is discontinued and the problem is then corrected IMPORTANT The Phase 5 OPL microprocessor controller has its own internal heat sensing circuit fuse protection located on the back side of the Phase 5 OPL computer If a dSFL condition occurs check to see if this fuse has blown If it has not DO NOT replace the entire Phase 5 OPL microprocessor controller replace the fuse and do so with a 1 8 amp Slo Blo fuse ONLY NOTE Once the Phase 5 OPL microprocessor controller detects a 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 automatically be cancelled 3 SEFL indicates rot
40. lever arm which is in contact with an electric switch When the air blower comes on it draws air through the gas burner This creates a negative pres sure inside the burner box and this negative pres sure pulls in the round damper and activates the sail switch If there is improper airflow the damper will not pull in preventing the burner from starting Improper airflow can be caused by improperly de signed 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 14 BASKET SUPPORT SHIMS BASKET sA pe Re Z y J Ld N N TIE RODS Co had r a b gE ka P iP rans p cerry M Hi Limit Gas Models ONLY A hi limit thermostat is located at the burner This is an automatic reset disc type thermostat set at 330 F If the flame in the burner should get too hot this thermostat will shut off the burner This is gener ally caused by low airflow through the dryer RL LIMIT 330 MAN2657 TEMPERATURE o N Automatic Reset Thermostat This is located inside the dryer in the lint compart ment above the lint drawer This thermostat senses the heated air after it has passed through the basket If the air temperature gets too hot the thermostat will shut off the burner The dryer will not run until the air temperature cools down At this time the thermostat will reset Basket and blower will run but dry
41. lexible steam hoses or other steam fixtures immediately Do not operate dryer with leaking flexible hoses Personal injury may result SECTION II Routine Maintenance A Cleaning A program and 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 airflow If the guidelines in this section are met an ADC 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 WARNING KEEP DRYER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS NOTE Suggested time intervals shown for average usage which is considered six 6 to eight 8 operational running hours per day Clean lint drawer screen every third or fourth load NOTE Frequency can best be determined at each location Daily beginning of each work shift Clean lint from the drawer screen Inspect lint screen and replace if torn Weekly Clean lint accumulation from lint chamber thermostat and microprocessor temperature sensor sensor bracket area WARNING To avoi
42. minal strip at the bottom of the module 3 Remove the four 4 screws securing the module to the mounting bracket 4 Replace module by reversing procedure 5 Reestablish power to dryer MANO460 C Thermostats To Replace Burner Hi Limit Thermostat Gas Models Onl This thermostat is an important safety device serving as an added protection against failure of the air flow sail switch to open in the event of motor failure or reduced airflow condition 1 Discontinue power to dryer 2 Disconnect wires from hi limit thermostat 3 Remove screw washer and nut securing thermostat to the bracket Remove thermostat 4 Reverse procedure for installing new thermostat 5 Reestablish power to dryer HI LIMIT S20 MANZ657 23 To Replace Lint Compartment H i Heat Protector 225 Degree Thermostat This thermostat is part of the sensor bracket assembly and is secured to the underside of the basket wrapper in the lint compartment As a safety device this thermostat will open shut off the heating unit circuit if an excessive temperature occurs The dryer motors will remain on even if the thermostat is open IMPORTANT Under no circumstances should heat safety devices be disabled TEMPERATURE 1 Discontinue power to dryer J SENSOR _ 2 Remove lint drawer Remove two 2 screws securing lint door and remove lint door 3 Locate sensor bracket assembly and loosen the two 2 Phillips head screws
43. n cap screws are loosely inserted bushing remains fully expanded to provide a sliding fit on the shaft 6 Insert key on the shaft then slide sheave to desired position with cap screw heads to the outside 7 Tighten cap screws progressively There should remain a gap between the sheave hub and the flange of the bushing IMPORTANT Tighten screws evenly and progressively Never allow the sheave to be drawn in contact with the flange of the bushing This gap should measure from 1 8 to 1 4 Proper cap screw torque is 6 ft lbs if greater tightening forces are applied excess pressures will be created in the hub of the mounted sheave which may cause it to crack i G Basket Assembly JASKET o Basket Alignment Vertical A Up and Down Adjustment fosos a es 02329200 06 0 0056 000000 eoo000 0 anaes ee opera oO o 1 Discontinue power to dryer poo Fal 2 Remove background VERTICAL HOLDING p YERI p S VERTICAL ADJUSTING 3 Loosen the two 2 vertical holding bolts on the side eA gT PELER eT i at the top of the bearing box 1 on each side PILLOWBLOCK B LATERAL ADJUSTMENT 4 Back off jam nuts on vertical adjustment bolts LATERAL ADJUSTMENT A RORI REAR BEARING BOLTS 5 Turn these bolts clockwise evenly to raise basket or TOP VIEW counterclockwise evenly to lower basket ERRA 6 Rotate basket from front and check alignment with front door opening 7 Leave a larger gap from the inside ring o
44. n the top of the front panel opening to the basket and a smaller gap on the bottom to compensate for the weight of the clothes when wet 8 Retighten the two 2 vertical holding bolts on the sides at the top of the bearing box and the jam nuts on the two 2 vertical adjustment bolts 9 Check basket drive belt for proper tension Adjust if necessary Refer to Section I page 7 10 Replace backguard 11 Reestablish power to dryer 32 Basket Alignment Lateral Side to Side Adjustment 2 BASKET 029 1 Discontinue power to dryer 020 o 2020 0000990 09990909020 ee 2 Remove backguard a G2 Loosen rear pillow block bearing bolts C a VERTICAL HOLDING VERTICAL HOLDING PN BOLT l 4 Back off jam nuts on the two 2 lateral adjustment A FAL ADHS TNG FRONT TUMBLER ane bolts A and B aT E PLL OWALOCK BE ARING 5 Simultaneously loosen one bolt and tighten the m other This will move the rear pillow block bearing LATERAL ADJUSTMENT Center the basket in the wrapper cavity EN REAR BEARING BOLTS LATERAL ADJUSTMENT BOLT 6 Tighten and secure both lateral adjustments bolts A and B and jam anes MANOSSt 7 Tighten pillow block bearings bolts C loosened in step 3 8 Replace backguard 9 Reestablish power to dryer To Replace Tumbler Basket or Tumbler Basket Support 1 Discontinue power to dryer BASKET SUPPORT SHIMS 2 Follow procedure for removal of main door assembl
45. nsor bracket assembly connector 2 Connection at computer harness connector i D Faulty microprocessor computer controller 13 Dryer does not start Display reads door A Main door is open B Lint drawer is open C Faulty main door or lint door switch D Open circuit in either main door or lint drawer switch harnesses E Faulty 24 V transformer 14 There is excessive vibration coming from the basket A Basket is out of adjustment B Loose or broken tie rod _ C Failed tumbler support 44 SECTION VII Electrical Trouble Shooting The information provided will help isolate the most probable components associated with the difficulty described The 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 ELECTRICAL PARTS SHOULD ALWAYS BE CHECKED FOR FAILURE BEFORE BEING RETURNED TO THE FACTORY The information provided should not be misconstrued as a device for use by an untrained person in making repairs Only properly licensed technicians should service the equipment OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE EQUIPMENT OR SPECIFIED IN THIS MANUAL WHILE MAKING REPAIRS 45 A Phase 5 OPL System Diagnostics All major circuits including door microprocessor temperature sensor heat and motor circuits are monitored The Phase 5 OPL microprocessor controller will inform the user via t
46. p must conform to the applicable requirements of the NATIONAL ELECTRIC CODE ANSI NFPA No 70 latest edition IMPORTANT Failure to comply with these codes or ordinances and or the requirements Stipulated in this manual can result in personal injury or component failure The gas dryer installation must meet the AMERICAN NATIONAL STANDARD NATIONAL FUEL GAS CODE ANSI Z223 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 the 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 _ Changing the burner orifices If this adjustment is necessary contact the distributor who sold the dryer or contact the factory NOTE Any burner changes must be made by a qualified technician C Operational Service Check Procedure 1 Turn on electric power to the dryer 2 To start dryer a Display will read FILL b Press
47. quate exhaust duct work system B Restriction in exhaust system C Insufficient make up air D Poor housekeeping Dirty or clogged lint screen E Washing machine extractors are not performing properly F An exceptionally cold humid or low barometric pressure atmosphere __ G The supply gas may have a low heating value check with local gas supplier H Failed temperature sensor temperature calibration is incorrect I Failed microprocessor computer controller 42 9 Thermal overload for drive motor is tripping A Either an exceptionally low or high voltage supply B Motor bearing failure C Bearing failure in drive system D Motor vents are blocked with lint E Failed motor F Insufficient make up air 10 Overload for impellor fan motor is tripping A Either an exceptionally low or high voltage supply B Motor bearing failure _ C Motor vents are blocked with lint D Failed motor E Failed overload F Out of balance impellor fan G Insufficient make up air 11 Dryer is cycling on burner hi limit safety thermostat A Insufficient exhaust duct work size or restriction in exhaust system B Insufficient make up air C Lint screen needs cleaning D Damaged impellor fan 43 12 Display reads dSFL Dryer Sensor Circuit Failure A Check 1 8 amp fuse on computer B Faulty microprocessor temperature sensor probe C Open circuit in either one of two 2 wires leading from the sensor probe to the computer 1 Connection at se
48. r operating at a high temperature setting pull the sail switch away from the burner The sail switch should open and extinguish the burner Let the sail switch damper return to the burner wall The sail switch should close to restart the burner ignition cycle If the sail switch circuit does not operate as described bend the actuator arm of the sail switch accordingly until proper operation is achieved To check proper open position of sail switch open main door manually depress main door switch and start dryer With the main door open and the dryer operating the sail switch should be open and the burner should not come on CAUTION Do not abort this switch by taping or screwing sail switch damper to burner PERSONAL INJURY OR FIRE COULD RESULT E Front Panel and Main Door Assemblies To Replace Main Door Switch 1 Discontinue power to dryer 2 Open main door 3 Remove the two 2 Phillips head screws holding the main door switch bracket assembly in place 4 Remove door switch bracket from hinge block and disconnect wiring from switch 5 Disassemble door switch bracket by removing locking adjustment nut Remove second locking nut and assemble onto new door switch ay 6 Reverse this procedure for installing new door switch 7 Reestablish power to dryer IMPORTANT Under no circumstances should the door switch be disabled To Replace Main Door Assembly 1 Remove screws holding main door to main door
49. ring bracket assembly to dryer and remove pS bracket from dryer Zee THERMOSTAT NOTE Do not remove screws 4 Disassemble sensor probe from bracket assembly by removing the top push on fastener securing the probe from bracket Use a small screwdriver to slowly pry the fastener off c gt MANOSI4 i lt 2 5 Disconnect the two 2 orange wires from the high heat 225 degree thermostat and remove modular bracket connector wires and probe from bracket assembly _ 6 Install new sensor probe assembly ADC P N 880251 by reversing procedure 7 Reestablish power to the dryer NOTE If when power is reestablished the computer display reads dSFL check for a loose connection in the wiring 19 B Ignition Controls To Remove Spark Ignitor See above burner illustration 1 Discontinue power to dryer 2 Disconnect HV connector and flame probe connection from ignitor 3 Disassemble ignitor from burner by removing the two 2 self tapping screws 4 Reverse procedure for installing new ignitor flame probe GROUND ROO V8 1 32 ai FLAME SENSOR IGNTOR PROBE MAN1457 NOTE Before reestablishing power to dryer visually check the following see illustration A The flame electrode ignitor electrode and ground rod are all on the same line axis B There should be a 1 8 gap 1 32 between the ignitor electrode and ground rod C Do not wrap the red HV wire and the flame elect
50. rode wire together Improper operation may result They may run alongside each other 20 To Replace Gas Valve See burner illustration on page 20 1 Discontinue power to dryer 2 Close shut off valve s in gas supply line 3 Disconnect gas valve wiring NOTE Identify location of each wire for correct reinstallation 4 Break union connection before gas valve 5 Loosen and remove screws 4 securing pipe brackets to burner 6 Remove gas valve manifold assembly from dryer 7 Remove valve mounting bracket manifold and piping from gas valve 8 Reverse procedure for installing new gas valve WARNING Test all connections for leaks by brushing on a soapy water solution NEVER TEST FOR LEAKS WITH A FLAME To Replace Main Burner Orifices 1 Refer to To Replace Gas Valve and follow steps 1 through 6 2 Unscrew main burner orifices and replace NOTE Use extreme care when removing and iCpaeme orifices These orifices are made of brass and are easily damaged 3 Reversing the removal procedure for reinstalling NOTE Test all connections for leaks by brushing on a soapy water solution NEVER TEST FOR LEAKS WITH A FLAME 21 To Test and Adjust Gas Water Column Pressure 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
51. rogress Flash Display Active Anti Wrinkle Delay Time Anti Wrinkle On Time Anti Wrinkle Program Active Overheating Condition Manual Mode Maximum Guard Time No Buzzer tone No Flash Display Anti Wrinkle Program is Not Active No Reverse Program Mode Reverse Special Cool Down 52 SEFL SEn SPIn tInE Sr Stop tIhE tEnP tInE tinE Rotational Sensor Circuit Failure Rotational Sensor Selected Spin Time Select Reverse Stop Time Temperature Display Time Time Fault Codes 1 door Keyboard entry was made while the main door or lint drawer was open or fault in the circuit 2 GSFL Fault in microprocessor temperature sensor circuit 3 SEFL Fault in rotation of basket tumbler 4 Hot Indicates that the dryer has experienced an overheating condition To cancel the Hot default code press the Clear Stop key D Computer Logic and Wiring Diagram 1 Operator enters desired selection s COMPUTER LOGIC ANC WIRING DIAGRAM LNT aoa MAIN f ar ee CON ACCEPTOR re CONTACTOR MANSS LS 53 2 Information entered is sent to the microcontroller via the keyboard 3 The input information is sorted processed and executed by the microcomputer chip 4 The microcomputer output signal activates the contactors and DSI module which control machine functions NOTE When contacting ADC with electrical questions please have on hand the correct wiring dia
52. rom the rear of the dryer the idler as sembly is located approximately on the lower cen ter of the dryer The idler assembly consists of two 2 idler pulleys the small and large pulleys The idler s main purpose is to reduce the speed and in crease torque provided to the tumbler bearing Also at the idler assembly belt tension can be adjusted IDLER SEARING SMALL DJLER PULLEY N MAN0O481 SEARING I Tumbler Bearing and Pulley Arrangement The tumbler bearing and pulley arrangement is located viewing from the rear of the dryer approximately at the upper center of the dryer The arrangement consists of a pulley and two 2 bearings which serve to drive adjust and support the basket MANOS 36 13 _ J Basket Tumbler The basket consists of four 4 ribs and four 4 per forated panels along with a front and back which are screwed together as an assembly The basket also consists of tie rods which support the basket from the front to back The basket support is used to mate the basket to the drive system in the rear K Main Door Switch The main door switch is located in the main door hinge block When the main door opens the switch will also open preventing the dryer from operating The main door switch is a safety device and should never be disabled L Sail Switch Gas Models ONLY The sail switch is located on the front of the burner box A sail switch consists of a round damper plate on a
53. s o the arc suppressor board E If iesi is Pe present at the two BS3 terminals problem i is bad wire s or 7 termination s between the two BS3 terminals and the coil Al and oo terminals If there is no Jo voltage a across the two BS3 terminals ci check for voltage across the two AS3 terminals If there is oles across the two AS3 terminals and t there i is no voltage between the two BS3 terminals er the arc suppressor board C If there is no aia across the two AS3 ermina problem is bad wire s or E termination s between the two AS3 terminals and the computer board 15 pin connector a no 5 or faulty computer 7 5 No Heat drive amp blower r motors run display reads normal es Models A Check for voltage across terminal block n nos 3 ane T Ifno ina is present grobie is bad wire or broken terminal from terminal block no 3 to MP harness connector pin 4 B If voltage i is present c check for voltage across s termina blocka nos n4 and T Ifno waitin is present problem is bad wire or broken terminal from terminal block 3 to tumbler hi limit switch and back to oo oe no 4 or faulty tumbler hi limit switch c If voltage is present check for voltage across DSI module TH and GND if no voltage i is present check voltage ny the sail switch and burner hi limit harness against ground Also check for voltage at the terminals of both components If voltage is is not passing aoe oa one of the two a epia
54. scesees 9 C Operational Service Check Procedure csccscsccesssceccsssecsscecsscescscsssesscssescsccasssessecesscsaceeeece 9 SECTION IV Description of Parts ccccccsssscssssssssssssssrsssssseescecese LL A Control Panel Microprocessor ssi2d22etiycs2s eessaiasaueesonneesceacsonsyaissibessbubuscsavadaveoeclanslousccadestiee 11 B Control Panel Non Microprocessor cscssssscssssssscescsscsssscssccacsassscsacsascascacescacenessesscescece 11 CC OnT ON ceria a E A E 11 D DSI Module Gas Models ONLY ccccceee A TE E EE A E EET 12 E GaS BUMET ASSECO Y errana a r a a e 12 FDNY MOLON aeeti e E onesies beled dob aiezet ae 12 G Blower Motor and Impellor 50 60 Hz Steam and 50 Hz Gas c cccccscssssssececessscecsececeseecsees 13 Fi Idler SSE TMOLY oroiga eens cs Vawesbucses site vcoutwist ates anducustighiGaossctttciauie eaaa 13 I Tumbler Bearing and Pulley Arrangement cccccccscsccssccscescsccescscsesceescessesesesarsecctecsessens 14 J Basket CLUMIDICN sisacseausesedusuicescttcccesaas a a T ANN 14 K Mun Door SW Oiar a Ri 14 L Sail Switch Gas Models ONLY s cssocsssesssossossssonsseacscscessesccescccssacrennesecssctsovssoresvecesseess 15 M Hi Limit Gas Models ONLY scscsssscssssosssssrencosesssacesesssssoscssesscacsassacacencersacensserereneeece 15 N Automatic Reset Thermostat 0 0 000 E ena tetseettaeaes eee rere rs i O Lint Drawer E sd E E E A
55. t of the building Therefore the room air must be continually replenished from the outdoors If the make up air is inadequate drying time and drying efficiency will be adversely affected Ignition problems and sail switch fluttering problems on gas dryers may result and you also could have premature motor failure from overheating The 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 shutdown of the burner by the airflow sail switch burner hi limit or lint chamber hi heat protector thermostat Refer to appropriate Installation Manual for more detail CAUTION IMPROPERLY SIZED OR INSTALLED EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD B 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 work manshi
56. ted and the motor is not operating yet both the microprocessor controller display motor indicator dot and the dOOr input LED indicator are on but the motor output LED indicator is off then the fault is in the Phase 5 OPL microprocessor controller itself If the motor is not operating and the MOTOR output indicator is on then the problem is elsewhere i e external of the microprocessor controller 3 FWD Output LED Indicator a If the dryer is started and the blower motor is operating but the drive basket tumbler motor is not yet the Phase 5 OPL microprocessor controller display Forward indicator dot is on but the FWD forward motor output LED is off the fault is the Phase 5 OPL microprocessor controller itself b If the drive basket tumbler motor is not operating and the FWD indicator is on then the problem fault is elsewhere i e external of the Phase 5 OPL microprocessor controller 4 REV Output LED Indicator If the dryer is started and the blower motor is operating but the drive tumbler basket motor is not yet the Phase 5 OPL microprocessor controller s display REVERSE indicator dot is on but the REV reverse motor output LED is off the fault is the Phase 5 OPL microprocessor controller itself If the drive tumbler basket motor is not operating and the REV reverse indicator is on then the problem fault is elsewhere i e external of the Phase 5 OPL microprocessor controller 48 5
57. ten bolts 7 Replace belts and adjust belt tension 8 Retighten bolts 9 Reestablish power to dryer o DIN To Replace Impellor Motor ee xy Fan Shaft Drive Gas and Steam Models aw Pe 50 amp 60 Hz BY A ax 1 Discontinue power to dryer 4 D RF E 2 Remove drive belts Bi 3 Disconnect wiring harness from motor 4 Remove bolts holding motor to mount and replace with new motor Do not tighten bolts 5 Remove pulley from old motor and install on new motor 6 Align motor pulley with fan shaft pulley and tighten bolts 7 Replace belts and adjust belt tension 8 Retighten bolts 9 Reestablish power to dryer 38 K Impellor 1 Discontinue power to the dryer 2 Remove the left side panel to access the fan shaft mount assembly 3 Remove the two 2 left handed jam nuts that hold the impellor to the fan shaft 4 Remove the impellor and the washers and the key 5 Replace the impellor key washers left handed jam nuts and the side panel 6 Re establish power to the dryer L Lint Drawer Assembly To Replace Lint Screen 1 Pull out lint drawer 2 Remove lint screen from lint drawer 3 Drop new lint screen in place 4 Slide lint drawer back into dryer To Replace Lint Drawer Switch 1 Disconnect Sawer to dryer 2 Remove lint drawer and lint door 3 Disconnect both 4 pin connectors at the rear of the lint switch cover 4 Remove the four 4 screws holding the lint switch cover on 5 Remov
58. ubber and also may be a fire hazard F 5 A program should be established for the inspection and cleaning of lint in the burner area and exhaust duct work The frequency of cleaning can best be determined from experience at each location WARNING The collection of lint in the burner 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 NOTE Failure to do so will void the warranty 7 Under no circumstances should the dryer door or lint drawer switch es or heat safety devices ever be disabled WARNING PERSONAL INJURY OR FIRE COULD RESULT 8 Articles should never be left unattended for an extended period of time in the basket after completion of the drying and cooling cycles WARNING ARTICLES LEFT IN THE DRYER AFTER THE DRYING AND COOLING CYCLES HAVE BEEN COMPLETED CAN CREATE A FIRE HAZARD 9 This dryer is not to be used in the presence of dry cleaning solvents or fumes 10 Read and follow all caution and direction labels attached to the dryer WARNING CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR IN THE DRYER S CHILDREN SHOULD BE SUPERVISED IF NEAR DRYER S IN OPERATION 11 Do not operate dryers with more than 125 PSI steam pressure Excessive steam pressure can damage steam coil and or harm personnel 12 Replace leaking f
59. ure from 1 8 to 1 4 Proper cap screw torque is 30 ft lbs If greater tightening forces are applied excess pressures will be created in the hub of the mounted sheave which may cause it to crack To Replace Small Idler Pulley 1 Loosen V belts Rotate pulley and roll V belts out of grooves 2 Remove cap screws from the bushings 3 Insert cap screws in tapped removal holes and tighten evenly until bushing becomes loose on shaft See figure A 4 Remove bushing pulley and key 5 Assemble bushing and sheave as shown in figure B When cap screws are loosely inserted bushing remains fully expanded to provide a sliding fit ww on the shaft 6 Insert key on the shaft then slide sheave to desired position with cap screw heads to the outside 30 7 Tighten cap screws progressively There should remain a gap between the sheave hub and the flange of the bushing IMPORTANT Tighten screws evenly and progressively Never allow the sheave to be drawn in contact with the flange of the bushing This gap should measure from 1 8 to 1 4 Proper cap screw torque is 6 ft lbs if greater tightening forces are applied excess pressures will be created in the hub of the mounted sheave which may cause it to crack To Replace Large Idler Pulley 1 Loosen V belts Then rotate pulley and roll V belts out of grooves IDLER BEARING mIDLER SHAFT LARGE iCLER PULLEY a a t i A r i i 2
60. y BASKET 3 Follow procedure for removal of front panel assembly 4 Remove backguard 5 Remove tumbler belts 6 Remove basket pulley MANOS49 TIE ROOS 7 Remove basket assembly and support a Loosen the two 2 set screws on both the pillow block bearing collars b Remove the retaining rings from the grooves of the tumbler shaft c Remove the basket and support assembly from the front of the dryer If the basket cannot be removed freely clean the shaft area and spray WD 40 or similar lubricant With a block of wood against the shaft end strike the block wood with a hammer or mallet to move the shaft past any burrs made by the set screws 33 IMPORTANT Never strike the shaft directly with a hammer 8 Remove basket from basket support a Remove the bolt in the center of the basket back wall b Loosen and remove the eight 8 sets of nuts and washers from basket tie rods Remove the eight 8 tie rods c Replace either basket or basket support by reversing procedure NOTE Shims might be needed between tumbler and tumbler support to insure proper balancing of basket 9 Reassemble components onto dryer by reversing steps 2 through 8 10 Check basket vertical lateral alignment and adjust if necessary 11 Replace backguard 12 Reestablish power to dryer H Bearings Refer to illustrations in section F Pulleys To Replace Rear Tumbler Basket Support Pillow Block Bearing 1 Discontinue power to dry

American Dryer Corp. AD-170SE User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents