American Dryer Corp. ML-78II, Installation Manual

Page 1: ...lation and service must be performed by a qualified installer service agency or the gas supplier AVERTISSEMENT Assurez vous de bien suivre les instructions données dans cette notice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables dans le vo...

Page 2: ...his manual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models 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: ...RS IN OPERATION DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION CAUTION FOR YOUR SAFETY DO NOT DRY MOP HEADS IN THE DRYER DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled Caution Label ALL wires prior to disconnection when servicing controls Wiring errors can cau...

Page 4: ...layed on the equipment and or specified in the installation manual included with the dryer Dryers 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 DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER SCREEN IN PLACE EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED WARNING ...

Page 5: ...B Unpacking Setting Up 11 C Dryer Enclosure Requirements 12 D Fresh Air Supply Requirements 13 E Exhaust Requirements 14 F Electrical Information 18 G Gas Information 24 H Preparation For Operation Start Up 28 I Preoperational Tests 29 J Preoperational Instructions 31 K Shut Down Instructions 31 SECTION IV SERVICE PARTS INFORMATION 32 A Service 32 B Parts 32 SECTION V WARRANTY INFORMATION 33 A Ret...

Page 6: ...ation 36 SECTION VII REVERSING TIMER SPIN DWELL ADJUSTMENTS 37 SECTION VIII DATA LABEL INFORMATION 38 A Data Label 38 SECTION IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 40 SECTION X BURNER AND BASKET TUMBLER LINT CHAMBER MANUAL RESET HI LIMIT INSTRUCTIONS 41 ...

Page 7: ...ccepted but the number 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 w...

Page 8: ...ely 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 Dryers must be exhausted to the outdoors 6 Although ADC produces a very versatile dryer there are some articles that due to fabric composition...

Page 9: ...s lint drawer switch or heat safety circuit ever be disabled WARNING PERSONALINJURY OR FIRE COULD RESULT 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 WARNING Articles left in the dryer after the drying and cooling cycles have been completed can create a fire hazard 12 READ AND FOLL...

Page 10: ... cm BASKET TUMBLER DEPTH 24 7 8 63 2 cm BASKET TUMBLER MOTOR 1 HP 0 746 kw DOOR OPENING DIAMETER 31 3 8 79 7 cm BASKET TUMBLER VOLUME 22 4 cu ft 0 634 cu m EXHAUST CONNECTION DIAMETER 10 25 4 cm DRYERS PER 20 40 CONTAINER 8 18 DRYERS PER 45 48 TRUCK 25 27 VOLTAGE AVAILABLE 120 460v 1ø 3ø 50 60 Hz APPROX WEIGHT UNCRATED 895 lbs 406 kg APPROX WEIGHT CRATED 938 lbs 425 5 kg HEAT INPUT 204 000 btu hr ...

Page 11: ...7 Specifications MLG 78II Gas NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 12: ... No Description 1 Controls 2 Control top access Door Assembly 3 Main Door Assembly 4 Lint Compartment Area lint screen located behind door 5 Wire Diagram 6 Data Label and Installation Label located in the left side panel wall area behind the control door ...

Page 13: ... Top Area 3 Electric Service Relay Box 4 Basket tumbler Bearing Mount Assembly 5 Idler Bearing Mount Assembly 6 Basket tumbler drive Motor Assembly for reversing models only 7 Blower Motor Assembly 8 Dryer Exhaust Electrical service connections are made in this box ...

Page 14: ...tion 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 dryer must be installed on noncombustible floors only 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 loca...

Page 15: ...n the bottom of the lint chamber To remove the two 2 bolts located in the lint chamber area remove the lint door To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear The lint coops of ALL ML 78 dryers are supported during shipping by a bracket REMOVE THIS BRACKET BEFORE STARTING THE DRYER If more headroom is needed when moving dryer into position the top ...

Page 16: ...ening and closing of the control door and the lint door It is suggested that the dryer be positioned about 2 feet 0 61 meters 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 Air considerations are important for proper and efficient operation IMPORTANT Even though a minimum of only...

Page 17: ...quate combustion and make up air supply To compensate for the use of registers or louvers used over the openings this make up airmust beincreased 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 separate make up air openings for each dryer Common make up air openings are ac...

Page 18: ...ns or elbows used for outside protection from the weather no more than two 2 elbows should be used in the exhaust duct run If more than two 2 elbows are used the cross sectional area of the ductwork must be increased ALL 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 th...

Page 19: ...rd 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 Where possible it is suggested to provide a separate exhaust duct for each dryer The exhaust ductshould be laid out in such a way that the ductwork travels as directly ...

Page 20: ...roper venting information ALL 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 jointsmust be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in...

Page 21: ... exits the building If the ductwork travels vertically up through the roof it should be protected from the weather by using 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 ...

Page 22: ...1 2 CSA C22 1 1990 or 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 NOTE Component failure due to improper installation will VOID THE WARRANTY Each dryer should be connected to an independently protected branch circuit The dryermust be connected with copper wire only DO ...

Page 23: ... NOTES A B C 208 VAC AND 240 VAC ARE NOT THE SAME When ordering specify exact voltage When fuses are used they must be dual element time delay current limiting class RK1 or RK5 ONLY Calculate determine correct fuse value by applying either local and or National Electrical Codes to listed appliance amp draw data Circuit breakers are thermal magnetic industrial motor curve type ONLY For others calcu...

Page 24: ...to a gas pipe or hot water pipe The grounded cold water pipe must have metal to metal connection ALL the way to the electrical ground If there are any nonmetallic interruptions 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 m...

Page 25: ...ø Wiring Connections Hookup For Non Reversing Models Only The electrical connections on ALL 3 phase 3ø gas model dryers are made into the rear service box located at the upper left area of the dryer NOTE A CIRCUIT SERVICINGEACH DRYER MUST BE PROVIDED If local codes permit power to a gas dryer can be made by the use of a flexible U L listed power cord pigtail wire size must conform to rating of dry...

Page 26: ...gle phase 1ø input connection is required on a 3 phase 3ø dryer For gas dryers manufactured for operation at 3 phase 3ø the electrical connections are made at the power distribution block located in the service box at the rear upper left corner of the dryer The ground connection is made to the copper lug also provided in this box To gain access to the service box contactor the service box cover mu...

Page 27: ...ses a strain relief must be installed where the wiring enters the dryer The only electrical input connections to the dryer are the 3 phase 3ø power leads L1 L2 L3 and sometimes neutral and ground Single phase 1ø power for the control circuit is done internally to the dryer No single phase 1ø input connection is required on a 3 phase 3ø dryer For gas model dryers manufactured for operation at 3 pha...

Page 28: ...le damage to the gas valve which will VOID THE WARRANTY WARNING FIRE OR EXPLOSION COULD RESULT 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 ...

Page 29: ...e 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 pressuremust be regulated at the source L P tank or an external regulator must be added to each dryer Natural Gas 23 0 1540 3 9116 mm Liquid Propane Gas 42 0 0935 2 3749 mm TYPE OF GAS L P Conversion Kit Part Number MODEL NUMBER BTU Per Hour Rating kcal hr Ratin...

Page 30: ...ing 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 meter or in the ...

Page 31: ... for leaks by brushing on a soapy water solution liquid detergent works well WARNING NEVER TEST FOR LEAKS WITH A FLAME ALL components materialsmust conformtoNationalFuelGasCodeSpecificationsANSIZ223 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 ordinances and must be ...

Page 32: ...gas indicated on the dryer data label 4 The sail switch damper assembly was installed and pre adjusted at the factory prior to shipping However each sail switch adjustment must be checked to assure that this important safety control is functioning 5 Be sure that ALL gas shutoff valves are in the open position 6 Be sure ALL back panels guards and electric box covers have been replaced 7 Check ALL s...

Page 33: ...ves are open NOTE Gas dryers are equipped with a Hot Surface Ignition HSI system which has internal diagnostics If ignition is not established within three 3 times the heat circuit in the HSI module will LOCKOUT until it is manually reset To reset the HSI system open and close the main door and restart the dryer 1 A gas pressure test should be taken at the gas valve pressure tap of each dryer to a...

Page 34: ...en preprogrammed by the factory with the most commonly used parameter program selections If computer program changes are required refer to the computer programming manual which was shipped with the dryer 6 Check the electric service phase sequence 3 phase 3ø models only While the dryer is operating check to see if the blower wheel impellor fan is rotating in the proper direction Looking from the f...

Page 35: ...lash dRYING MANUAL CYCLE E dRY TEMP 180º F 82º C COOL TEMP 80º F 27º C 30 REMAIN dRUM TEMP Refer to the User s Manual for detailed operating instructions b Dual Timer Dryers 1 Turn drying timer knob for a time of 20 minutes 2 Select High Temp 3 Push Push To Start switch 4 To stop dryer open the main door K SHUT DOWN INSTRUCTIONS If the dryer is to be shut down taken out of service for a period of ...

Page 36: ...erial numberso that your inquiry is handled in an expeditious manner B PARTS 1 Replacement parts should be purchased from the reseller from whom theADC equipment was purchased If the reseller cannot be contacted or is unknown contact theADC Parts Department for a reseller in your area Parts may also be purchased directly from the factory by calling theADC Parts Department at 508 678 9000 or you ma...

Page 37: ...purchasedtheequi p menta n dr e q u e s tad r y e rw a r r a n t yf o r m I ft h er e s e l l e r cannot be contacted or is unknown warranty information can be obtained from the factory by contacting theADC Warranty Department at 508 678 9000 NOTE Whenever contacting the ADC factory for warranty information be sure to have the dryer s model numberand serial numberavailable so that your inquiry can...

Page 38: ...ansit Damage claims are the responsibility of the shipper IMPORTANT No replacements credits 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...

Page 39: ...E VAPORS AND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day IMPORTANT Dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspect the exhaust ducting and remove any lint build up SUGGESTED CLEANING SCHEDULE EVERY THIRD OR FOURTH LOAD Clean the lint screen every third or fourth...

Page 40: ... cabinet s avoid using harsh abrasives A product intended for the cleaning of appliances is recommended B ADJUSTMENTS 7 DAYS AFTER INSTALLATION AND EVERY 6 MONTHS THEREAFTER Inspect bolts nuts screws bearing setscrews grounding connections and nonpermanent gas connections unions shutoff valves and orifices Motor and drive belts should be examined Cracked or seriously frayed belts should be replace...

Page 41: ...he dryer Both the dwell stop time and the basket tumbler spin time are adjustable by mode selection switches located on the electronic timer as noted in the illustration below TIMING LEGEND SPIN TIME Adjustment Position Number 1 2 3 4 5 Time in Seconds 30 60 90 120 150 DWELL STOP TIME Adjustment Position Number 1 2 3 4 5 Time in Seconds 5 6 3 7 6 8 9 10 2 Values shown are 1 second ...

Page 42: ...ion certain information is required to insure proper service parts information from ADC This information is on the data label that is located in the left side panel wall area behind the control door When contacting ADC please have the model numberas well as the serial numberreadily available ...

Page 43: ...ur 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 or steam 5 HEAT INPUT for GAS DRYERS This describes the heat input in British Thermal Units per Hour BTUH 6 ORIFICE SIZE for GAS DRYERS Gives the number drill size used 7 ELECTRIC SERVICE This describes the electric service for your particular model 8 GAS MANIFO...

Page 44: ...d e With the burner flame on remove the flame sensor wire from the S2 terminal of the HSI module The burner flame must shut off immediately f Stop the drying cycle with the flame sensor wire still removed restart the drying cycle g The HSI will turn on and after a few seconds later the gas valvewillbe energized and the HSI will shut off Ignition flame should be evident for approximately 7 seconds ...

Page 45: ...ay will show the applicable error code described above along with an audio indication If the drum temperature is above 100º F 38º C the dryer will continue to run with no heat for 3 minutes or until the drum temperature has flattened below 100º F 38º C The clear stop button on the Phase 6 keyboard touch pad must be pressed to clear the error condition The open manual reset hi limit thermostat must...

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