American Dryer Corp. ML-75V Phase 7, Installation Manual

Page 1: ... gas supplier call thefiredepartment Installation and service must be performed by a qualified installer service agency or the gas supplier AVERTISSEMENT Assurez vous de bien suivrelesinstructionsdonnéesdanscettenotice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel touteblessureoulamort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou...

Page 2: ...ual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models The illustrations included in this manual may not depict your particular dryer exactly Important For your convenience log the following information DATE OF PURCHASE _______...

Page 3: ...NEARDRYERSINOPERATION CAUTION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION FORYOURSAFETY DO NOT DRYMOPHEADSINTHEDRYER DO NOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or the heat safety circuit ever be disabled Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper op...

Page 4: ...included with the dryer WARNING DRYER MUST NEVERBE OPERATED WITHOUT THE LINT FILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED Dryer must not beinstalled or stored in an area where itwill be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area IMPORTANT Dryer must be installed in a location environment which the ambient te...

Page 5: ... E ExhaustRequirements 13 F ElectricalInformation 18 G Gas Information 23 H SteamInformation 27 I Preparation for Operation Start Up 31 J Preoperational Tests 32 K PreoperationalInstructions 34 L ShutdownInstructions 36 SECTION IV SERVICE PARTS INFORMATION 37 A Service 37 B Parts 37 SECTION V WARRANTY INFORMATION 38 A ReturningWarrantyCards 38 B Warranty 38 C ReturningWarrantyParts 38 SECTION VI R...

Page 6: ...URE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 42 SECTION VIII DATA LABEL INFORMATION 44 SECTION IX MANUAL RESET BURNER HI LIMIT INSTRUCTIONS 46 A Phase 7 46 B DualTimer 46 SECTION X FIRE SUPPRESSION SYSTEM F S S 47 ...

Page 7: ... DO NOT use any phone in your building d Clear the room building or area of ALL occupants e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f If you cannot reach your gas supplier call the fire department 4 Installation and service must be performed by a qualified installer service agency or gas supplier 5 Dryer s must be exhausted to the outdoors ...

Page 8: ...ERSONAL INJURY OR FIRE COULD RESULT should the dryer door switches lintdrawerswitch ortheheatsafetycircuiteverbedisabled 10 This dryer is not to be used in the presence of dry cleaning solvents or fumes 11 Remove articles from the dryer as soon as the drying cycle has been completed W ARNING Articlesleftinthedryerafterthedryingandcoolingcycleshavebeencompletedcan create a fire hazard 12 DO NOT ope...

Page 9: ... 359 7 kg AIRFLOW 900 cfm 25 48 cmm OVEN SIZE kW Btu hr kcal hr 30 102 433 25 812 36 122 919 30 975 VOLTAGE AVAILABLE 120 480v 1 3ø 2 3 4w 50 60 Hz APPROX NET WEIGHT 836 lb 379 2 kg APPROX SHIPPING WEIGHT 888 lb 402 8 kg COMPRESSED AIR VOLUME 0 75 cfh 0 02 cmh COMPRESSED AIR CONNECTION 1 8 F N P T AIRFLOW 900 cfm 25 48 cmm STEAM CONSUMPTION 239 lb hr 108 kg hr OPERATING STEAM PRESSURE 125 psi max ...

Page 10: ...6 NOTE ADCreservestherighttomakechangesinspecificationsatanytimewithoutnoticeor obligation Specifications ...

Page 11: ...7 B COMPONENT IDENTIFICATION 1 Dryer Front View Illus No Description 1 Controls 2 Control top access Door Assembly 3 Main Door Assembly 4 Lint Compartment Drawer 5 Data Label and Installation Label ...

Page 12: ...lay Box 4 Basket Tumbler Bearing Mount Assembly 5 Idler Bearing Mount Assembly 6 Blower Motor Assembly 7 Leveling Leg rear 8 Basket Tumbler Drive Motor Assembly reversing models Only 9 Dryer Exhaust Electric service connections for gas and steam models are made in this box NOTE 1 8 inchcompressedairsupplyinlet forsteammodelsonly islocatedbehindtheelectric servicerelaybox ...

Page 13: ...Installation and Gas Plumbing 1 The dryer must be installed on a sound level floor capable of supporting its weight Carpeting must be removed from the floor area that the dryer is to rest on IMPORTANT The dryermustbeinstalledonnoncombustiblefloorsonly 2 The dryer must not be installed or stored in an area where it will be exposed to water and or weather 3 The dryer is for use in noncombustible loc...

Page 14: ... still attached to the skid or with the skid removed To unskid the dryer locate and remove the four 4 bolts securing the base of the dryer to the wooden skid Two 2 are at the rear base remove the back panel for access and two 2 are located in the bottom of the lint chamber To remove the two 2 bolts located in the lint chamber area remove the lint door With the skid removed to make it easier to sli...

Page 15: ...mum allowance must be made for the opening and closing of the control door and the lint door It is suggested that the dryer be positioned about 30 inches 76 2 cm away from the nearest obstruction for ease of installation maintenance and service to be measured from the back guard Refer to the illustration above for details NOTE Airconsiderationsareimportantforproperandefficientoperation IMPORTANT F...

Page 16: ... used over the openings this make up air 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 building It is not necessary to have a separate make up air opening for each dryer Common make up air openings are acceptable However they must be set up in such a manner that the make up air is distribu...

Page 17: ...L ductwork should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint When adding ducts the duct to be added should overlap the duct to which it is to be connected ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for p...

Page 18: ...sing a 180 turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and the nearest obstruction IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork 2 Single Dryer Venting When possible it is suggested to provide a separate exhaust duct for each dryer The exhaust duct should be laid out in such a...

Page 19: ...e taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork NOTE When the exhaust ductwork passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct mu...

Page 20: ...eet 9 14 meters and each 45º elbow is equivalent to an additional 15 feet 4 6 meters IMPORTANT For extended ductwork runs the cross section area of the ductwork can only be increased to an extent Maximum proportional ductwork runscannot exceed15feet 4 6 meters with two 2 elbows When the ductwork approaches the maximum limitsasnotedinthismanual aprofessionalheating ventilating andair conditioning H...

Page 21: ...17 ...

Page 22: ... it could create a fire hazard The copper conductor wire cable must be of proper ampacity and insulation in accordance with electric codes for making ALL service connections NOTE Theuseofaluminumwirewill VOIDTHEWARRANTY IMPORTANT A separate protected circuitmust beprovided to each dryer NOTE Anindividualgroundcircuitmustbeprovidedtoeachdryer donotdaisychain IMPORTANT The dryer must be connected to...

Page 23: ... Hz 30 kW 208 3ø 3 91 125 125 230 3ø 3 83 125 125 240 3ø 3 79 100 100 380 3ø 3 48 60 60 380 3ø 4 54 70 70 400 3ø 4 51 70 70 416 3ø 4 50 70 70 460 3ø 3 40 50 50 480 3ø 3 39 50 50 575 3ø 3 33 50 50 36 kW 208 3ø 3 108 150 150 230 3ø 3 98 125 125 240 3ø 3 94 125 125 380 3ø 3 58 80 80 380 3ø 4 63 80 80 400 3ø 4 60 80 80 416 3ø 4 58 80 80 460 3ø 3 48 60 60 480 3ø 3 46 60 60 ELECTRICAL SERVICE SPECIFICAT...

Page 24: ...erruptions such as a meter pump plastic rubber or other insulating connectors they must be jumped out with no 4 copper wire and securely clamped to bare metal at both ends IMPORTANT For personal safety and proper operation the dryer must be grounded Provisions are made for ground connection in each dryer at the electrical service connection area 4 Electrical Connections A wiring diagram is located...

Page 25: ...is provided in the rear electrical box to connect your service ground FOR 110V APPLICATIONS FOR 208 230 240V APPLICATIONS Single Phase Electrical Lead Connections Black Positive White or Red Neutral or L2 Green Ground ...

Page 26: ...r s current draw This information is printed on the dryer s data label The electrical input connections are made at the electric oven contactor located inside the assembly at the rear center upper section of the dryer The ground connection is made to a copper lug also provided in this area To gain access remove oven rear service cover IMPORTANT A strain relief must be used where the inputwiringent...

Page 27: ... OR EXPLOSION COULD RESULTduetofailureofisolatingor disconnectingthegassupplyasnoted 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION as well as local codes and ordinances and must be done by a ...

Page 28: ...sure must be regulated upstream of the dryer The pressure measured at each gas valve pressure tap must be a consistent 10 5 inches 26 1 mb water column There is no regulator or regulation provided in an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer Shaded area is stated in metric equivalent Drill Measurement Size D...

Page 29: ...liance Btus being supplied The dryer is provided with a 3 4 N P T inlet pipe connection located at the right side of the base of the dryer The minimum pipe size supply line to the dryer is 3 4 N P T For ease in servicing the gas supply line of each dryer must have its own shutoff valve The size of the main gas supply line header will vary depending on the distance this line travels from the gas me...

Page 30: ... TestALLconnectionsforleaksbybrushingonasoapywatersolution liquid detergent works well W ARNING NEVER TESTFOR LEAKS WITHAFLAME ALL components materials must conform to National Fuel Gas Code Specifications ANSI Z223 1 LATEST EDITION or in Canada CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordina...

Page 31: ...ck of the steam coils IMPORTANT CoilfailureduetoimproperpHlevelwill VOIDTHE WARRANTY 2 Steam Requirements High Pressure Inlet 1 supply line connection qty one 1 at top manifold Return 1 return line connection qty one 1 at bottom manifold Shaded areas are stated in metric equivalents The minimum operating pressure for optimum results is 100 psig 689 47 kPa 3 Installation Instructions To ensure an a...

Page 32: ...he dryer to be isolated from the supply main and the return main if the dryer needs maintenance work e Install an inverted bucket steam trap and check valve at least 12 inches 30 48 cm below the steam coil as close to the coil as possible A trap with a capacity of 700 lbs 317 51 kg of condensate per hour at 125 psi 8 62 bar is needed for each unit f The supply line and the return line should be in...

Page 33: ...ilter regulator gauge F R G arrangement be added to the compressed air line just before the dryer connection This is necessary to ensure that correct and clean air pressure is achieved 5 Steam Damper System Operation The steam damper shown in Diagram 1 in the illustration on the next page allows the coil to stay constantly charged eliminating repeated expansion and contraction When the damper is o...

Page 34: ...he steam damper is in cool down mode as shown in Diagram2 6 Steam Damper Air Piston Flow Control Operation Adjustment Although the steam damper operation was tested and adjusted prior to shipping at 80 psi 5 51 bar steam damper operation must be checked before the dryer is put into operation Refer to page 29 for instructions to check steam damper system operation If steam damper adjustment is nece...

Page 35: ...to shipping However each sail switch adjustment must be checked to ensure that this important safety control is functioning refer to Sail Switch Adjustment on page 33 5 GAS MODELS Be sure that ALL gas shutoff valves are in the open position 6 Be sure ALL side and base panels are on the dryer 7 Check ALL service doors to ensure that they are closed and secure 8 Be sure the lint drawer is securely i...

Page 36: ...ished within three 3 attempts the heat circuit in the DSI module will LOCKOUT until it is manually reset To reset the DSI system open and close the main door and restart the dryer A gas pressure test should be taken at the gas valve pressure tap of each dryer to ensure that the water column W C pressure is correct and consistent NOTE Watercolumnpressurerequirements measuredatthepressuretapofthegas...

Page 37: ...ASKET TUMBLER COATING The basket tumbler is treated with a protective coating We suggest dampening old garments or cloth material with a solution of water and nonflammable mild detergent and tumbling them in the basket tumbler to remove this coating 8 Make a complete operational check of ALL operating controls For microprocessor model check controller computer programs selections Each microprocess...

Page 38: ...1 Microprocessor Controller Computer a When the microprocessor controller computer is in the ready state the liquid crystal display L C D screen will display Ready Insert XX XX amount to Start b Insert coin s Once the correct Amount to Start has been inserted the L C D will display Select Temperature c Select temperature by pressing HI MED or LO The cycle will start and the L C D will display the ...

Page 39: ...bler temperature at any time NOTE The dryer can be stopped at any time by pressing the STOP CLEAR O key at this time the dryer will go into a cycle pause If the STOP CLEAR O key is pressed again at this point the cycle that was in progresswillbe cancelled and returned to the READY state NOTE Press and hold the DOWN ARROW to view the basket tumbler RPM 5 When the programmed drying time has expired ...

Page 40: ...ONS If the dryer is to be shutdown taken out of service for a period of time the following must be performed 1 Discontinue power to the dryer either at the external disconnect switch or the circuit breaker 2 Discontinue the heat supply a GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shutoff valve 2 SHUT OFF internal gas supply shutoff valve located in the gas valve burner ar...

Page 41: ...andserialnumbersothatyourinquiryishandledinanexpeditiousmanner B PARTS Replacement parts should be purchased from the reseller from whom the ADC equipment was purchased If the reseller cannot be contacted or is unknown contact the ADC Parts Department for a reseller in your area Parts may also be purchased directly from the factory by calling the ADC Parts Department at 508 678 9000 or you may FAX...

Page 42: ... whom you purchased the equipment and request a dryer warranty form If the reseller cannot be contacted or is unknown warranty information can be obtained from the factory by contacting the ADC Warranty Department at 508 678 9000 NOTE Whenever contacting the ADCfactory for warranty information be sure to have the dryer s modelnumber andserial number availablesothatyourinquirycanbehandledinan exped...

Page 43: ...d in transit Damage claims are the responsibility of the shipper IMPORTANT No replacements credits or refundswill 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...

Page 44: ...me intervals shown are for average usage which is considered six 6 to eight 8 operational running hoursperday IMPORTANT Dryer produces combustible lint andmust be exhaustedtotheoutdoors Every 6months inspecttheexhaustductingandremoveanylintbuildup SUGGESTED CLEANING SCHEDULE EVERY THIRD OR FOURTH LOAD Clean the lint screen every third or fourth load A clogged lint screen will cause poor dryer perf...

Page 45: ...f heatcircuitsafetyswitchesorthermostats NOTE Whencleaningthedryercabinet s avoidusingharshabrasives Aproductintendedforthe cleaningofappliancesisrecommended B ADJUSTMENTS 7 DAYS AFTER INSTALLATION AND EVERY 6 MONTHS THEREAFTER Inspect bolts nuts screws setscrews grounding connections and nonpermanent gas connections unions shutoff valves and orifices Motor and drive belts should be examined Crack...

Page 46: ... installation of the replacement microprocessor controller computer board reestablish power to the dryer b Start the drying cycle by pressing any of the preset cycles in letters A F c Verify that the applicable indicator lights on the back side of the microprocessor controller computer board are lit Refer to the illustration below ...

Page 47: ...operation No L E D indicator indicates a power or an internal failure has occurred 3 For Models with DSI Module Type II Theory of Operation Start the drying cycle When the gas burner ignites within the chosen trial for ignition time 8 seconds the flame sensor detects gas burner flame and signals the DSI module to keep the gas valve open as long as there is a call for heat The DSI module will LOCKO...

Page 48: ...rporation certain information is required to ensure proper service parts information from ADC This information is on the data label located on the left side panel wall area behind the control door When contacting ADC please have the model number and serial number available ...

Page 49: ...ibes ALL possible options on your particular model 4 TYPE OF HEAT This describes the type of heat for your particular dryer gas either natural gas or liquid propane L P gas electric or steam 5 HEAT INPUT for GAS DRYERS This describes the heat input in British Thermal Units per Hour Btu hr 6 ORIFICE SIZE for GAS DRYERS Gives the number drill size used 7 ELECTRIC SERVICE This describes the electric ...

Page 50: ...ls the clear stop button on the Phase 7 keyboard touch pad must be pressed to clear the error condition For coin models the pause key must be held down for 3 seconds to clear the fault The open burner hi limit must be reset manually prior to the start of the next cycle B DUAL TIMER This dryer was manufactured with a manual reset burner hi limit thermostat If the burner hi limit is open prior to th...

Page 51: ...ition remains or reignites While the water jet s are activated the basket tumbler will jog to move the water throughout the load The microprocessor will display that the system was activated and will continue to display until the dryer is attended to 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 w...

Page 52: ...plied with a minimum water pipe size of 1 2 and be provided with 40 psi 20 psi 2 75 bar 1 37 bar of pressure For use of optional manual bypass a second source with the same piping and pressure requirements is required Flexible 1 2 feeds must be provided to avoid damage to electric water solenoid valve by vibration IMPORTANT Flexible supply line couplingmust beused Solenoidvalvefailureduetohard plu...

Page 53: ... coupling must be used in an effort to avoid damaging the electric water solenoid valve NOTE The 3 4 11 5 NH is a standard hose coupling screw thread Itis not to be confused with 3 4 N P T The sealing of an NH connection is made with a washer opposed to the mating threads of an N P T assembly The two 2 thread designsare not compatible IMPORTANT Flexible supply line coupling must beused Solenoidval...

Page 54: ...f the dryer or the water supply is located in an area where it will be exposed to cold freezing temperatures provisions must be made to protect these water lines from freezing W ARNING If the water in the supply line or water solenoid valve freezes the F S S will be INOPERATIVE The manual ball cock shutoff valve must be located outside of the dryer at a distance from the dryer where it is easily a...

Page 55: ...ater is being injected into the basket tumbler the basket tumbler drive will turn the load for 1 second every 15 seconds This process will continue for a minimum of 2 minutes After the 2 minutes have elapsed the control will check if the temperature remained above trip point if so the water will remain on The control will continue to check if the temperature is above trip point every 30 seconds If...

Page 56: ...ontrol will prompt the user with the following message IF WATER DID NOT TURN ON CALL FOR SERVICE THANK YOU NOTE The control willnot let the user continue until the valve test has been completed COIN While the control is in the program mode Press and hold the PAUSE key for 3 seconds to get into the valve test mode Valve test mode The control will display PRESS AND HOLD MEDIUM TO OPEN WATER VALVE Wh...

Page 57: ...the condition for a period of 5 minutes before entering F S S DISABLED mode Once the condition is corrected the control will continue to monitor the condition for 1 minute before exiting F S S DISABLED mode WATER NOT CONNECTED This indicates that there is no water pressure at the water valve This will occur if water is not connected to the dryer or if there is low water pressure in the water line ...

Page 58: ...ADCPartNo 113236 4 05 26 05 2 ...