American Dryer Corp. ADS-464 II Installation & Operator'S Manual Download Page 80

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ADC

113074

- 01/24/00-10

Summary of Contents for ADS-464 II

Page 1: ...lacement parts contact the distributor from which the dryer was purchased or AmericanDryerCorporation 88 Currant Road FallRiverMA02720 4781 Telephone 508 678 9000 Fax 508 678 9447 e mail techsupport amdry com AVERTISSEMENT Assurez vousde bien suivre les instructions données dans cette noticepourréduireauminimum lerisque d incendie oud explosionoupour évitertout dommagematériel touteblessureoulamor...

Page 2: ...rately and promptly 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 s...

Page 3: ...FNEARDRYERSINOPERATION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION CAUTION FORYOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices ever be disabled Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper operation Attention Lor des o...

Page 4: ...isplayed on the equipment or specified in the installation 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 DRYERMUSTNEVERBEOPERATEDWITHOUTTHELINTFILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED WARNING ...

Page 5: ...ternalAir Electrical andWaterConnections 12 D ExternalSupplyConnections 18 E ElectricalRequirements 22 F FreshAirSupplyRequirements 25 G SteamInformation 26 H ShutDownInstructions 27 SECTION IV PRE START UP 28 A Preparation for Operation 28 SECTION V ROUTINE MAINTENANCE 29 A Cleaning 29 SECTION VI COMPONENT SYSTEM DESCRIPTIONS 31 A Tumbler Basket Support and Drive System 31 B MainAirBlowerandHeatR...

Page 6: ...1 B Warranty 41 C ReturningWarrantyParts 41 SECTION IX TROUBLESHOOTING 43 TroubleshootingTOC 43 A PowerMalfunctions 44 B Tumbler Basket SectionElectricalMalfunctions 55 C BaseSectionElectricalMalfunctions 63 D PendantControlMalfunctions 67 E TemperatureSensing 70 F Motors 73 G PLC Programmable Logic Controller Error Messages 75 ...

Page 7: ...ber received and the number refused must be noted on the receipt 4 If you determine that the dryer was damaged after the trucker has left your location you should call the delivering carrier s freight terminal immediately and file a claim The freight company considers this concealed damage This type of freight claim is very difficult to get paid and becomes extremely difficult when more than a day...

Page 8: ...ION 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 sponge rubber or similarly textured rubber materials Drying in a heated tumbler basket may damage plastics or rubber and also may be a fire hazard 4 A program should be established for the inspection and cleaning of...

Page 9: ...or GUARDSARE REMOVED FROM THE MACHINE TOALLOWACCESS FOR CLEANING ADJUSTING INSTALLATION OR TESTINGOFANYEQUIPMENT per OSHA Occupational Safety and HealthAdministration STANDARDS The lightening flash with an arrow head within an equilateral triangle is intended to alert the user to the presence of non insulated dangerous voltage within the products enclosure that may be sufficient in magnitude to co...

Page 10: ...loor 65 5 8 166 69 cm Tumbler BASKET Diameter 69 1 8 175 58 cm Tumbler BASKET Depth 80 5 16 203 99 cm Tumbler BASKET Volume 175 cu ft 4 96 cu m Minimum Load Size 250 lbs 113 4 kg Maximum Load Size 460 lbs 208 66 kg Blower Motor 25 HP 18 64 kw Tumbler BASKET Motors 2 MOTORS 2 5 HP 2 3 73 kw Boiler Horsepower 60 Bhp Steam Inlet Size Connection 2 1 2 N P T Burner Blower Motor 1 1 2 HP 1 12 kw Blower ...

Page 11: ...7 B DIMENSIONS NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 12: ...ebolts located at the top of each of the two sections These pieces may also be moved into place with a fork lift truck by lifting the pieces from underneath The tumbler basket and tumbler basket base section weighs about 6 400 pounds 2 903 kg and the heat console section weighs about 4 100 pounds 1 860 kg Once the sections are in position the seven 7 clearance holes on the tumbler basket base sect...

Page 13: ...e control pendant arm to the top front of the heat console section by aligning the clearance holes in the arm with the 1 4 20 tapped holes on the top of the heat console section Use the 1 4 20 x 3 long bolts supplied with the machine to attach the arm to the console d Reconnect The Internal Air Electric Connections and Water Connections refer to page 12 through page 17 3 Reassembly Instructions fo...

Page 14: ...r cleaves located at the top of the tumbler basket section Use the four 4 1 1 4 12 x 3 1 2 long bolts supplied with the unit to secure the tumbler basket section to the tumbler basket base section d Reattach The Control Pendant Arm Position the control pendant arm on the top front of the heat console section by aligning the clearance holes in the arm over the 1 4 20 tapped holes in the top of the ...

Page 15: ... cm of space behind the unit for ease of maintenance and tilting The dryer must be leveled for proper operation If shimming is required put 9 1 2 x 9 1 2 24 cm x 24 cm metal shims under the base feet The dryer must be lagged to the floor IMPORTANT Dryer should be located where a minimum amount of exhaust duct will be necessary ...

Page 16: ...flo tubing to the corresponding brass fittings match the marked number on the tube with the number on the brass fitting After inserting the corresponding tubes into the brass fittings Tighten the brass fitting nuts b Rear Tilt Piston Lines This connection is made at the rear of the dryer in the space between the lower heat console section and the tumbler basket base section Insert the 3 8 poly flo...

Page 17: ...wer heat console section in the area behind the pneumatic panel To connect the 1 4 poly flo lines into the corresponding needle valves match the number on the line with the number on the needle valve Insert ALL of the air lines to make sure that the connections are complete Repeat this process for the two 2 cool down piston air lines ...

Page 18: ...in to connect the four 4 wires with the same color tape identifiers together with the four 4 wires already in the junction box Make these connections with wire nuts and PVC electrical tape Replace the cover and the cover 2 screws that hold down the cover to the junction box b Temperature Probe Base and Tumbler Basket Disconnects The disconnects are located in the lower heat console The temperature...

Page 19: ...e seal Put the female end of the RTD cable through the hole in the top of the electrical enclosure Connect the male end and the female end of the RTD cable together pull the cable up until the threads of the reducing bushing can be seen through the hole into where the character 464 panel was Next get the 1 inch 2 54 cm lock nut on by a few threads slip the modified hole seal under the lock nut hol...

Page 20: ...it Two 2 of the cables from the junction box have connectors on the end a 5 pin connector and an 11 pin connector Coming out of the pendant should be two 2 cables one with a 5 pin connector and the other with an 11 pin connector Match up the four 4 cables into assigned pairs check keying and connect the male and female connection together ...

Page 21: ...until left drum motor is reconnected refer to Section f below Left Drum Motor f Left Drum Motor There are two 2 different ways that the left drum motor is connected with or without the motor disconnected junction box The junction box is used when the connections to the left motor are made on the back side of the motor nearest to the tumbler basket When connecting the motor bring the left drum moto...

Page 22: ...ated on the left side of the tumbler basket base 2 CompressedAir Supply A minimum of 20 cfh cubic feet per hour 0 57 cmh at 80 PSI 552 kPa of dry clean and regulated compressed air must be supplied to the dryer The compressed air supply must be connected into the 3 8 F P T fitting which is located in the rear corner of the lower heat console section ...

Page 23: ... the supply and return connections The dryer vibrates slightly when it runs and the piping connections may crack if they are hard piped to the dryer Install shut off valves in the supply and return lines An inverted bucket steam trap with an internal check valve is included with the dryer The supply lines should be insulated This will save energy and provide for the safety of the operator and main...

Page 24: ...8 2 cmm during cool down Ducting must be sized for the 13 000 cfm 368 2 cmm of airflow The exhaust vent connection is located on top of the burner and heater section of the dryer It has a rectangle cross section and is flanged A sheet metal transition piece is supplied to connect a 24 inch 61 cm diameter exhaust duct to the dryer s exhaust vent connection Care must be taken in locating this transi...

Page 25: ...e wall on a roof leave a 2 inch 5 08 cm clearance space between the exhaust ducting and the wall or roof When adding ducts the duct that leaves the building must be protected from the weather For horizontal ducting use a 90º turned downward For vertical duct work use a 180º turned downward In either case allow at least twice the diameter of the duct between the duct opening and nearest obstruction...

Page 26: ... or in Canada the CANADIAN ELECTRICAL CODES PARTS 1 2 CSA C22 1 1990 or LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances or requirements stipulated in this manualcanresultinpersonalinjuryorcomponentfailure NOTE ComponentfailureduetoimproperinstallationwillVOIDTHEWARRANTY Each dryer should be connected to an independently protected branch circuit The dryer must be connected...

Page 27: ...reserves the right to make changes in specifications at any time without notice or obligation ADS 464 Steam ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 VAC and 240 VAC ARE NOT THE SAME When ordering specify exact voltage NOTES A Fuse ratings are dual element time delay current limiting class RK1 or RK5 ONLY B Circuit breakers are thermal magnetic industrial type ONLY For others calcu...

Page 28: ...isconnect IMPORTANT THEADS 464 WITH SPRINKLER OPTION WILL NOT OPERATE WITHOUTAN INDEPENDENTPOWER SOURCE FED TOTHE SAFETY SPRINKLER SYSTEM Feed the electrical service cables to the dryer using the pre punched knockouts at the bottom section of the electrical cabinet right wall Connect the ground wires directly to the ground lug located at the same approximate area Before turning power on to the dry...

Page 29: ... a general rule an unrestricted air entrance from the outdoors atmosphere of a minimum 20 square feet 1 86 square meters is required for each dryer To compensate for the use of registers or louvres used over the openings the make up air area must be increased by approximately thirty three percent 33 Make up air openings should not be located in an area directly near where exhaust vents exit the bu...

Page 30: ...nection 3 Installation Instructions To ensure an adequate supply of steam is provided be sure that the steam lines and return lines are sized and laid out as stipulated in this manual Inadequate steam lines and return lines or improper steam plumbing will result in poor performance and can cause component failure Clean dry steam must be provided to the dryer IMPORTANT Steam coil failure due to ham...

Page 31: ...ints will provide wet steam to the coil possibly causing steam coil damage ALL horizontal runs of steam supply piping should be pitched 1 4 inch 0 08 cm for every one 1 foot 0 31 m back towards the steam supply header causing the condensate in the line to drain to the header Install a bypass trap in any low point to eliminate wet steam H SHUT DOWN INSTRUCTIONS In the case where the dryer is to be ...

Page 32: ...ff valves 4 A compressed air supply of 80 PSI 552 kPa must be connected into the dryer s fitting located at the rear corner of the lower heat console section 5 The dryer exhaust duct must be vented to the outdoors 6 A water supply of 40 PSI 276 kPa must be connected into the 1 inch sprinkler pipe connection 7 The dryer must be lagged to the floor and leveled for proper operation 8 A fresh air supp...

Page 33: ...AN CREATEAPOTENTIALFIRE HAZARD WARNING KEEPDRYERAREACLEAR and FREE FROM COMBUSTIBLE MATERIALS GASOLINE and OTHER FLAMMABLE VAPORS and LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hoursperday NOTE Removepowerfromthemachinebeforeperforminganymaintenanceinthemachine cleaning the lint drawers and both steam coil lint screens...

Page 34: ...S Remove the gear oil in both tumbler basket drive shaft gear reducers Replace with 1 4 liters in each gear reducer of Mobil Oil DTE HH5G I S O viscosity grade 460 or equivalent Main blower fan and drive motor belts should be examined Cracked or seriously frayed belts should be replaced Tighten belts when necessary Inspect and remove lint accumulation in customer furnished exhaust duct work system...

Page 35: ...mbler basket is a completely welded assembly so the perforated panels are not removable 2 Tumbler Basket Support System The tumbler basket sits on four 4 11 inch 28 cm diameter heavy duty rubber roller wheels which supports and drives the tumbler basket The steel hubs are fastened to the 2 inch 5 08 cm diameter drive shafts by taper lock bushings Each drive shaft is supported by two 2 2 inch 5 08 ...

Page 36: ... belts by tightening the gear reducer turnbuckle support The oil in each gear reducer must be replaced every six 6 months by 1 4 liters of I S O viscosity Grade 460 gear oil 4 Servicing the Drive System a Removing a Drive Wheel The drive wheels are removed through the front and back panels of the dryer not through the slides The front loading door and back loading door panels are hinged at the top...

Page 37: ...ct plug is located on the left side of the rear doors Disconnect this plug and feed the cable through the right hand side of the tumbler basket section Put a block of wood under the tumbler basket loosen and back out the tumbler basket shaft support bearings so that the drive wheel lines up with the large hole in the frame The drive wheel taper lock bushing can now be loosened and removed through ...

Page 38: ...R SYSTEM The fan which moves the exhaust air through the AD 464 dryer is a 22 inch 56 cm diameter squirrel cage wheel that is driven at 1 100 rpm by a 25 HP 18 64 kw motor This fan moves a maximum of 13 000 cfm 368 cmm air through the dryer ...

Page 39: ...ECLAIMER ADJUSTMENT NUTS ON ALL FOUR 4 CORNERS OF THE HEAT RECLAIMER PISTON 3 ADJUST THE BOTTOM HEAT RECLAIMER NUTS DOWN TO THEIR DESIRED POSITION WHICH WILL GIVE THE PROPER PISTON STROKE EXAMPLE IF THE DESIRED PISTON STROKE IS TWO 2 INCHES 5 08 CM THAN THE DISTANCE X IN THE ILLUSTRATION MUST BE TWO 2 INCHES 5 08 CM 4 TIGHTEN TOP HEAT RECLAIMER NUTS DOWN ONTO THE BOTTOM HEAT RECLAIMER NUTS HEAT RE...

Page 40: ...air pressure of 80 PSI 552 kPa so that the dryer s air pistons will function normally despite upstream air pressure variation 3 Pneumatic Control Panel The pneumatic control panel of a 2 Way Tilt dryer has two 2 tilting solenoid valves one to control the front set of tilting pistons and a second to control the rear set of tilting pistons A1 Way Tilt dryer has only one 1 tilting solenoid valve Each...

Page 41: ... tapped off the 80 PSI 552 kPa air supply connected to port no 1 through holes in the body of the solenoid valve or it can be supplied externally through the 1 8 inch F P T connection located on either end of the solenoid valve If no pilot air is supplied to the solenoid valve Then the spool cannot move even with voltage supplied to the solenoid valve coil This can be used to prevent both sets of ...

Page 42: ...air damper are controlled by a single 3 way double acting solenoid valve To open the front loading door a 120 volt signal is applied to S1 the coil of the valve that supplies air to the LOAD door or the heat reclaimer s bottom port The valve will open and 80 PSI 552 kPa of air is supplied to the bottom port of the piston The piston rod will extend and the door will open No voltage is applied to S2...

Page 43: ... THE HEAT RECLAIMER IS EITHER OPENED OR CLOSED INPUT LED 13 OF THE PLC IS OFF NONE HEAT CONSOLE DOOR ACCESS DOOR SWITCH INSIDE HEAT CONSOLE INSURES THAT ACCESS DOORS ARE CLOSED DOOR OPEN DRYER WILL NOT RUN EXHAUST AIR TEMP CONTROL SENSOR INSIDE BURNER SECTION DUCT MONITORS TUMBLER EXHAUST AIR TEMP EXHAUST DSFL STOPS HEAT ONLY EXHAUST AIR HI TEMP CONTROL SENSOR INSIDE EXHAUST DUCT MONITORS TUMBLER ...

Page 44: ...berandserialnumber soyourinquiryishandledinanexpeditiousmanner B PARTS 1 Replacement parts should be purchased from the distributor from whom the ADC equipment was purchased If the distributor cannot be contacted or is unknown contact the ADC Parts Department for a distributor in your area Parts may also be purchased directly from the factory by calling the ADC Parts Department at 508 678 9000 or ...

Page 45: ...C Warranty Department at 508 678 9000 NOTE Whenever contacting theADC factory for warranty or warranty information be sure to have the dryer s model numberand serial number available so that your inquiry can be handled in anexpeditiousmanner C RETURNING WARRANTY PARTS ALL dryer or parts warranty claims or inquiries should be addressed to the ADC Warranty Parts Department To expedite processing the...

Page 46: ...ts or refunds will be issued for merchandise damaged in transit 5 ALL returns should be shipped to the ADC factory in such a manner that they are insured and a proof of delivery can be obtained by the sender 6 Shipping charges are not the responsibility of ADC ALL returns should be prepaid to the factory Any C O D or COLLECT returns will not be accepted IMPORTANT No replacements credits or refunds...

Page 47: ...eplacing blown fuses the replacement must be of the exact rating as the fuses being replaced The information provided should not be misconstrued as a handbook for use by an untrained person in making repairs WARNING ALL SERVICE and TROUBLESHOOTING SHOULD BE PERFORMED BYA QUALIFIED PROFESSIONALor SERVICEAGENCY WARNING WHILE MAKINGREPAIRS OBSERVEALLSAFETYPRECAUTIONS DISPLAYED ON THE DRYER or SPECIFI...

Page 48: ...heck incoming line voltage If none check fuse disconnect switch 2 Check if OL12 has tripped If OK go to paragraph 3 below If tripped check sprinkler circuit then reset and test 3 Check if sprinkler is activated is the SPRINKLER RESET button lit If YES press SPRINKLER RESET Does the sprinkler reset If YES attempt to turn ON the main disconnect again If NO go to paragraph 4 below and on page 45 4 Sp...

Page 49: ...dryer If line voltage is present go to paragraph 2 below If line voltage is not present check fuse disconnected and retest 2 Attempt to turn the dryer main power handle to the ON position If the switch does not engage verify that sprinkler power is ON red light on main door If NO refer to paragraph 1 above 3 Open main enclosure and verify that OL11 has not tripped If YES check circuit restart and ...

Page 50: ...it SPRINKLER RESET button does it reset If NO go to paragraph 2 below 2 Verify that OL12 overload 12 has not tripped If YES check circuit reset OL12 and test If NO go to paragraph 3 below 3 The main disconnect has an UNDER VOLTAGE DROP OUT FEATURE This feature requires that 110 VAC be present to engage the disconnect switch If 110 VAC is removed from Pin 51 and Pin 52 on the switch the disconnect ...

Page 51: ...sistive Temperature Device 4 a resistive sensor located on the top right hand side of the tumbler basket section Its exact location is in proximity of the intake and hi limit temperature probe IMPORTANT An open RTD ResistiveTemperature Device probe or disconnecting the probe under power will cause the sprinkler to active ALL ADS 464 RTD Resistive Temperature Device probes are rated for 1 100º F 59...

Page 52: ...PB 10 push button 10 SPRINKLER RESET button is for resetting the sprinkler circuit once the temperature in the tumbler basket has dropped below its preset trip temperature NOTE Pressing the SPRINKLER RESET button before the tumbler basket temperature has dropped below its trip temperature will momentarily stop the water flow However the water flowwillresumeoncethebuttonisreleased UV is the UNDER V...

Page 53: ...e the SPRINKLER RESET BUTTON Sound sprinkler alarm horn NOTE Thesprinklercircuit willnotresetuntiltheADS 464 stemperatureisbelowthesprinklerhi limitcontrollersetting STATE 3 The tumbler basket temperature is still ABOVE SHLC Sprinkler High Limit Controller preset value and PB 10 push button 10 Sprinkler Reset has been pushed and held IN With power still applied to the SHLC 3CR will energize S12 wi...

Page 54: ... system GREEN ON light illuminate If not check the EMERGENCY STOP E Stop and drying system ON OFF circuits Refer to ladder diagram 5 Front Panel BLUE main panel light RED sprinkler power light and GREEN control power light ON The system has one or more of the following symptoms OPERATOR INTERFACE TERMINAL no display or displays LINE FAULT message PROGRAMMABLE LOGIC CONTROLLER PLC no indicator ligh...

Page 55: ...00 3 Malfunctioning operator interface terminal Check power supply voltage to the operator interface terminal It should be 24 volts DC Check that the interface cable to both the PLC and the operator interface terminal are secure NOTE Call the ADC Service Department at 508 678 9000 4 Malfunctioning 24 volt DC power supply Verify that the power supply s red ON light is illuminated Verify that 110 vo...

Page 56: ... open The entire dryer to power down The SPRINKLERRESET buttononthemainpaneltolight With the dryer control voltage ON not executing a drying cycle one should be able to adjust the temperature settings on any of the hi limit controllers and cause their respective green L E D s light emitting diodes to cycle ON and OFF If their corresponding L E D s light emitting diodes DO NOT cycle check their res...

Page 57: ...to 3 3 If either RTD Resistive Temperature Device 1 or 2 were to open or become disconnected the associated temperature channel of the hi temp controller located on the main electrical panel will sense the open and react by opening its respective control relay and never re energize until the RTD is replaced Once HI LIMIT controller problem has been isolated to particular device and a RTD temperatu...

Page 58: ...he unit is operating correctly Check circuit wiring and Retest refer to ADS 464 Main Panel Wiring Diagram If the de energizing time is incorrect Adjust the time adjust on the stop motion detector module and retest If the input 0 10 on the PLC is not on after several rotations of the tumbler basket Check fuse 2 and replace if necessary Rotate the tumbler basket using the pendant control in LOAD POS...

Page 59: ...er Basket Electrical Junction Box Wiring Diagram The tumbler basket section electrical components provide The following information will provide a means to respond to fault messages associated with the tumbler basket section and verify ALL the electrical signals associated with it Refer to the ADS 464 Tumbler Basket Junction Box Wiring Diagram for detailed wiring information 1 0 Tumbler Basket Sec...

Page 60: ...dryers Only e UNLOAD 1 Rear Panel SEL 4 This is normally open two 2 position selector switch for unloading the ADS 464 from the rear Once the selector switch is turned to 1 Pendant control functions are disabled rear doors open and the dryer front tilts up f DRUM FORWARD Rear Panel PB3 This push button switch is comprised of two 2 individual switches one 1 which is normally open One 1 switch is fo...

Page 61: ...emove the rear panel and check switch using an OHM meter replace if defective Retest 3 Wiring back to main electrical enclosure Shut power off to the ADS 464 dryer main breaker Open disconnects on terminal 16 and terminal 17 of TB1 These disconnects are located on the bottom of the main electrical enclosure Connect an OHM meter to the output side of terminal 16 and terminal 17 of TB1 Push in the E...

Page 62: ...ndeed connected This disconnect plug allows for the removal of the rear control panel for dryer servicing 2 Defective Forward and Reverse Switch Shut power off at the main breaker and remove the rear panel and check switches using an OHM meter replace if defective Retest 3 Wiring Back to Main Electrical Enclosure With the control voltage ON front panel green button Select 1 on the O UNLOAD 1 switc...

Page 63: ...e Logic Controller indicate that the signal s to the PLC inputs are missing Check FUSE 2 on the main electrical panel Check wiring back to the tumbler basket junction box Check wiring back to the rear controls Refer to the blueprints Main electrical panel diagram Tumbler junction box wiring diagram Rear panel controls wiring diagram Retest 0 UNLOAD 1 Selection e PROBABLE CAUSES 1 Rear panel discon...

Page 64: ...tors are functional however the UNLOAD DOORS of FRONT UP commands are not executed correctly Check wiring on the MAIN ENCLOSURE PANEL Refer to the ADS 464 Main Panel Wiring Diagram Check wiring associated with Solenoid Junction Box Refer to troubleshooting procedures associated with the Solenoid Junction Box 3b Input 19 L E D light emitting diode not illuminating correctly on the PLC Programmable ...

Page 65: ...D door switch actuator Cycle the switch by hand and have someone watch PLC input indicator 6 It should go ON when the switch is down Open the UNLOAD doors and locate the UNLOAD doors switch actuator Cycle the switch by hand and have someone watch PLC Programmable Logic Controller input indicator 7 It should go ON when the switch is down Do the associated L E D s light emitting diode come ON when s...

Page 66: ...et using the pendant control and adjust the stop Does the module s L E D respond If yes adjust the TimeAdjust until the L E D light emitting diode is on during rotation 15 to 20 seconds after the tumbler basket stops If NO check Inductive proximity sensor is located in the same area as the tumbler basket junction box Inductive proximity mechanical adjustment The target that is attached to the outs...

Page 67: ... Base associated Fault Messages and to verify ALL the electrical signals associated with the Base Section Refer to the ADS 464 Base Junction Box for a detailed wiring diagram 1 0 Base Section Electrical Components a Front Door Switch The Front Down Sensing Switch is located on the left side of theADS 464 base and comprises of four 4 parts head arm body and cord grip device The head is a rotating t...

Page 68: ... in the lint chamber is sufficient This switch is wired in series with other switches to form an interlock to the Burner Control Module 2 0 Tumbler Tilt Problems LEVEL FAULT A LEVEL FAULT message is generated by the incorrect state of either the FRONT or REAR sensor switches The following information will address the LEVEL signals since they are associated with the Base Electrical Junction Box a P...

Page 69: ...ts when the switch actuator is down and is OFF when the actuator is up Does L E D 12 come ON when the switch is down If YES wiring is okay Check switch actuator placement and tilt actuation NOTE If actuator is at 90º or greater angle with the base the actuator will be damaged if machine is lowered If NO check associated Switch and wiring Check wiring back to the base electrical junction box Check ...

Page 70: ... of the AIR PRESSURE SWITCH WIRING perform the following Run a drying cycle Does the pressure switch s indicator come ON If YES switch and its adjustment are okay If NO check switch and its adjustment Verify that PLC Programmable Logic Controller input L E D light emitting diode 5 comes ON Does L E D 5 come ON when the switch is active If YES wiring is okay If NO check Switch its setting and wirin...

Page 71: ...DIAGRAM 1 0 Pendant Electrical Components LOAD Level UNLOAD A and B Tumbler Reverse Switch PB2 Tumbler Forward Switch PB1 EMERGENCY STOP E Stop Switch PB6 There are two 2 normally open electrical switches associated with this switch function that are actuated by three 3 position selector SEL A LOAD SEL B UNLOAD Once this switch is turned to LOAD the dryer s front doors will open and depending upon...

Page 72: ...B6 For a quick check of the wiring of SEL 1 and 2 to the PLC Programmable Logic Controller perform the following test with the control voltage ON green button Turn the selector switch to LOAD Does PLC Programmable Logic Controller input L E D 15 light Turn the selector switch to UNLOAD Does PLC Programmable Logic Controller input 16 light Turn the selector switch to LEVEL Are both PLC Programmable...

Page 73: ...hese questions are YES wiring to the PLC Programmable Logic Controller is correct If the answer to these questions are NO refer to Probable Causes below a PROBABLE CAUSES 1 FUSE 4 ON MAIN ELECTRICAL PANEL 2 FAULTY SWITCHES 3 WIRING BACK TO PLC Programmable Logic Controller b POSSIBLE SOLUTIONS 1 Check fuse blown indicator on fuse 4 replace fuse if necessary and retest 2 Check switches using an OHM...

Page 74: ...om the pendant to TB1 is correct check wiring on the main electrical panel then retest If NO wiring from the TB1 is incorrect Check wiring using the appropriate wiring diagrams listed above and retest E TEMPERATURE SENSING INTRODUCTION There is one 1 temperature sensing and controlling device in the ADS 464 located in the intake exhaust The temperature sensing devices are RTD s Resistive Temperatu...

Page 75: ...on is the connected to the PLC Programmable Logic Controller for processing Refer to the ADS 464 Ladder Diagram for circuit information 24 Volt DC Power Supply The 24 volt power supply used in the ADS 464 is an individual grade switching power supply rated for 120 volts AC input and 24 volts DC output The features that this device incorporates are Overload protection to protect the LOAD Internal f...

Page 76: ...perature Device disconnect box and measure the RTD s resistance directly If the RTD resistance measurements is acceptable check circuit wiring If the RTD resistance measurements is not acceptable replace RTD and retest 2 Defective 24 Volt DC Power Supply With the control voltage ON check that 100 volts AC is applied to the device s AC input If no voltage check fuse 8 and wiring and retest Check th...

Page 77: ... control and safety devices to these motors TheADS 464 motors include MAIN BLOWER FAN MOTOR BURNER FAN MOTOR LEFT TUMBLER BASKET MOTOR RIGHT TUMBLER BASKET MOTOR Refer to the following diagrams for functional and wiring information ADS 464 MAIN PANEL WIRING DIAGRAM ADS 464 SYSTEM BLOCK DIAGRAM MotorActuating Device Information ALLADS 464 motor contactors have 110 volt 50 60 Hz actuation coils Thre...

Page 78: ...rify current setting Check circuit Check motor Retest 2 Verify that the associated output L E D light emitting diode on the PLC Programmable Logic Controller is active Verify that the associated output signal protection fuse is good Check associated PLC output circuit wiring to associated motor starter coil A terminals 3 Retest 4 Check associated motor starter circuit wiring to and from motor star...

Page 79: ...rminal and PLC Programmable Logic Controller have discontinued ERROR MESSAGES ADS 464 IDLING ADS 464 RUNNING CTRL VOLT OFF Cannot operate machine Stops dryer INTAKE Cannot operate machine Stops dryer EXHAUST DSFL Cannot operate machine Stops dryer DOOR OPEN Cannot operate machine Stops dryer SCREEN FAULT Cannot operate machine Stops dryer MOTOR FAULT Cannot operate machine Stops dryer GAS FAULT No...

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