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American Dryer Corp. ML-78 Phase 7 (DSI), Installation Manual

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American Dryer Corp. ML-78 Phase 7 (DSI) Installation Manual Download Page 6

SECTION  V

WARRANTY  INFORMATION .............................................................................. 41

A.  Returning Warranty Card(s) ...................................................................................................... 41

B.  Parts ......................................................................................................................................... 41
C.  Returning Warranty Card(s) ...................................................................................................... 41

SECTION  VI

ROUTINE  MAINTENANCE .................................................................................. 43

A.  Cleaning ................................................................................................................................... 43

B.  Adjustments .............................................................................................................................. 44

SECTION  VII

REVERSING  TIMER  SPIN/DWELL  ADJUSTMENTS ....................................

45

SECTION  VIII

DATA  LABEL  LOCATION/INFORMATION ......................................................

46

SECTION  IX

PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT

COMPONENTS ........................................................................................................

48

Summary of Contents for ML-78 Phase 7 (DSI)

Page 1: ...ier call the firedepartment Installation and service must be performed by a qualifiedinstaller serviceagencyorthegas supplier AVERTISSEMENT Assurez vous de bien suivre les instructions données dans cette noticepourréduireauminimum lerisque d incendieoud explosionoupourévitertout dommagematériel touteblessureoulamort Ne pas entreposer ni utiliser d essence ni d autresvapeursouliquidesinflammablesda...

Page 2: ...ng 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 promi...

Page 3: ...DBESUPERVISEDIFNEARDRYERSINOPERATION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION CAUTION FOR YOUR 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 Atte...

Page 4: ... on the equipment and or specified in the installation and operator s manual included with the dryer Dryers must not be installed or stored in an area where it will be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area DRYER MUST NEVER BE OPERATEDWITHOUTTHE LINTFILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED WARNING ...

Page 5: ...ION REQUIREMENTS 10 A LocationRequirements 10 B Unpacking SettingUp 11 C Dryer Enclosure requirements 12 D Fresh Air Supply 13 E ExhaustRequirements 15 F ElectricalInformation 19 G Gas Information 26 H SteamInformation 30 I Preparation For Operation Start up 35 J Preoperational Tests 36 K Preoperational Instructions 38 L Shut Down Instructions 39 SECTION IV SERVICE PARTS INFORMATION 40 A Service 4...

Page 6: ...s 41 C ReturningWarranty Card s 41 SECTION VI ROUTINE MAINTENANCE 43 A Cleaning 43 B Adjustments 44 SECTION VII REVERSING TIMER SPIN DWELL ADJUSTMENTS 45 SECTION VIII DATA LABEL LOCATION INFORMATION 46 SECTION IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 48 ...

Page 7: ...cepted 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 wh...

Page 8: ...all 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 6 Although ADC produces a very versatile machine there are some articles that due to fabric composition o...

Page 9: ...ANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled WARNING PERSONALINJURYor 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 complete can crea...

Page 10: ...kg APPROX WEIGHT CRATED 950 lbs 432 kg HEAT INPUT 204 000 btu hr 51 408 kcal hr AIRFLOW 1 200 cfm 33 98 cmm Inlet Pipe Size 3 4 1 91 cm VOLTAGE AVAILABLE 120 208 240 480v 1 3ø 50 60Hz APPROX WEIGHT UNCRATED 895 lbs 407 kg APPROX WEIGHT CRATED 950 lbs 432 kg AIRFLOW 1 200 cfm 33 98 cmm VOLTAGE AVAILABLE 120 208 240 480v 1 3ø 50 60Hz APPROX WEIGHT UNCRATED 980 lbs 445 kg APPROX WEIGHT CRATED 1 130 l...

Page 11: ...LS 78 Steam NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation Specifications for the MLS 78 steam model were not available at time of printing for information contact the factory ...

Page 12: ...Dryer Front View Illus No Description 1 Controls 2 Control top access Door Assembly 3 Main Door Assembly 4 Lint Compartment Area lint screen located behind door 5 Data Label and Installation Label located behind control service door ...

Page 13: ...ervice Relay Box for Steam Models ONLY 3 Electric Service Relay Box 4 Tumbler Bearing Mount Assembly 5 Idler Bearing Mount Assembly 6 Basket Drive Motor Assembly for Reversing Models ONLY 7 Blower Motor Assembly 8 Dryer Exhaust Electric service connections for Gas Models and Steam Models are made in this box ...

Page 14: ...floor area that the dryer is to rest on 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 locations 4 Provisions for adequate air supply must be provided as noted in this manual refer to Fresh Air Supply in Section D 5 Clearance provisions must be made from combustible construction as noted in this manua...

Page 15: ... 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 To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear The basket tumbler is supported during shipping by a wooden block REMOVE THIS BLOCK BEFORE STARTING THE DRYER IMPORTANT For microprocessor computer mo...

Page 16: ...ns are important for proper and efficient operation C DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of twelve 12 inches 18 inches or more is recommended for ease of installation maintenance and service above the dryer outer top except along the front of the dryer which may be partially closed in if desired The clearan...

Page 17: ...it passes this air through the basket tumbler and exhausts it out 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 may result as well as premature motor failure from overheating Air supply make up air must be giv...

Page 18: ... make up air is distributed equally to ALL the dryers EXAMPLE For a bank of four 4 dryers two 2 unrestricted openings measuring 2 feet by 1 1 2 feet 6 square feet is acceptable Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes or predominantly low pressure areas IMPORTANT Make up air must be provided from a source free of dry cleaning...

Page 19: ...e used the cross sectional area of the duct work must be increased ALL duct work 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 duct work joints must be taped to prevent moisture and lint from escaping into the building Inspection door...

Page 20: ...etween the duct opening and the nearest obstruction IMPORTANT DO NOT use screens or caps on the outside of opening of exhaust duct work 2 Single Dryer Venting Where possible it is suggested to provide a separate exhaust duct for each dryer The exhaust duct should be laid out in such a way that the duct work travels as directly as possible to the outdoors with as few turns as possible It is suggest...

Page 21: ...aped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust duct work for periodic inspection and clean out of lint from the duct work NOTE Where the exhaust duct passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches larger all the way around than the duct The duct must be cente...

Page 22: ...18 ...

Page 23: ... EDITION IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulatedinthismanualcanresultinpersonalinjuryorcomponentfailure NOTE ComponentfailureduetoimproperinstallationwillVOIDTHEWARRANTY Each dryer should be connected to an independently protected branch circuit THE DRYER MUST BE CONNECTED WITH COPPER WIRE ONLY DO NOT use aluminum wire which could cause a fire ...

Page 24: ... make changes in specifications at any time without notice or obligation MLG 78 Gas MLS 78 Steam ELECTRIC SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 VAC and 240 VAC ARE NOT THE SAME When ordering specify exact voltage NOTE 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 calculate verify co...

Page 25: ...tion all the way to the electrical ground If there are any non metallic 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 must be grounded Provisions are made for ground connection in each dryer at the electrical s...

Page 26: ...Phase 3ø Wiring Connections Hookup for NON REVERSING MODELS ONLY The electrical connections on ALL 3 phase 3ø gas model and steam model dryers are made into the rear service box located at the upper left area of the dryer Electrical connections for electrically heated dryers are made in the electric oven area located at the upper rear area of the dryer NOTE A CIRCUIT SERVING EACH DRYER MUST BE PRO...

Page 27: ... dryer No single phase 1ø input connection is required on a 3 phase 3ø dryer For gas and steam 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 t...

Page 28: ...n provided for this purpose Input connection wiring must be sized properly to handle the dryer s current draw This information is printed on the dryers data label NOTE A CIRCUIT SERVING EACH DRYER MUST BE PROVIDED 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 copp...

Page 29: ...o the service box contactor the service box cover must be removed c 3 Phase 3ø Wiring Connections Hookup for REVERSING MODELS ONLY The electrical connections on ALL 3 phase 3ø gas model and steam model dryers are made into the rear service box located at the upper left area of the dryer Electrical connections for electrically heated dryers are made in the electric oven area located at the upper re...

Page 30: ... noted can cause irreparable 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 as well as local codes and ordinances and must be done by a qualified professional NOTE Undersized gas piping will result in ignition problems slow ...

Page 31: ...re measured at each gas valve pressure tap must be a consistent 11 0 inches water column W C 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 Type of Gas Natural Gas Liquid Propane Gas Manifold Pressure 3 5 4 0 inches W C 10 5 11 0 inches W C Inline Pressure 6 0 12 0 ...

Page 32: ...um pipe size supply line to the dryer is 3 4 N P T For ease servicing the gas supply line of each dryer must have its own shut off 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 case of L P liquid propane gas the supply tank other gas operated appliances on the same line etc Specific information regarding supply ...

Page 33: ...ounds that resist the action of natural gas and L P gas must be used IMPORTANT Test ALL connections for leaks by brushing on a soapy water solution liquid detergent works well WARNING NEVER TEST FOR LEAKS WITH A FLAME ALL components materials must conform to National Gas Code specifications It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be ra...

Page 34: ...ion qty one 1 at top manifold Return 1 return line connection qty one 1 at bottom manifold 3 Installation Instructions To insure an adequate supply of steam is provided be sure that the steam lines and steam return lines are sized and laid out as stipulated in this manual Inadequate steam lines and steam return lines or improper steam plumbing will result in poor performance and can cause componen...

Page 35: ...hes below the steam coil as close to the coil as possible 1 A trap with capacity of 1 200 pounds of condensate per hour at 125 psi is needed for each unit f The supply line and the return line should be insulated This will save energy and provide for the safety of the operator and maintenance personnel g Water pockets in the supply line caused by low points will provide wet steam to the coil possi...

Page 36: ...vice relay box Compressed Air Supply Air Pressure Normal 80 PSI Minimum Supply 70 PSI Maximum Supply 90 PSI a Air Requirements MAN2497 b Air Connection Air connection to system 1 8 inch N P T c No air regulator or filtration is provided with the dryer External regulation filtration of 80 psi must be provided It is suggested that a regulator filter gauge arrangement be added to the compressed air l...

Page 37: ...nstant heat to start the drying process When the damper is closed ambient air is drawn directly into the basket tumbler allowing a rapid cool down Diagram 2 Diagram 1 shows the damper in the heating open mode allowing heat into the tumbler Diagram 2 shows the damper in the cool down closed mode pulling ambient air directly into the basket tumbler without passing through the coils NOTE With the dry...

Page 38: ...ted and adjusted prior to shipping at 80 PSI steam damper operation must be checked before the dryer is put into operation Refer to page 33 or instructions to check steam damper operation If steam damper adjustment is necessary locate the flow control valve and make the necessary adjustments as noted below ...

Page 39: ...lled 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 GAS MODELS be sure that ALL gas shut off valves are in the open position 6 Be sure ALL back panels guards and electric box covers have been replaced 7 Check ALL service doors to assure that they are closed and secured in place 8 Be...

Page 40: ...system which has internal diagnostics If ignition is not established within three times the heat circuit in the HSI module will LOCK OUT until it is manually reset To reset the HSI system open and close the main door and restart the dryer 2 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 c...

Page 41: ...re functioning properly IMPORTANT The dryer basket tumbler is treated with a protective coating ADC suggests tumbling old clothes or material in the basket tumbler using a mild detergent to remove the protective coating 5 Make a complete operational check of ALL operating controls a For microprocessor models check controller computer programs selections 1 Each microprocessor controller computer ha...

Page 42: ... in the Manual timed Mode b Dual Timer Models 1 Both dwell stop time and basket tumbler spin time are adjustable refer to the illustration on page 45 8 Check to insure that ALL set screws i e tumbler drive idler etc are tight K PREOPERATIONAL INSTRUCTIONS 1 To start the dryer a Microprocessor computer dryers 1 The L E D light emitting diode display will read FILL 2 Press the E on the touchpad of t...

Page 43: ... switch or the circuit breaker 2 Discontinue the heat supply a GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shut off valve 2 SHUT OFF internal gas supply shut off valve located in the gas valve burner area a STEAM MODELS discontinue the steam supply 1 SHUT OFF external location furnished shut off valve 2 SHUT OFF internal steam valves in the supply lines and the return line...

Page 44: ...randserialnumbersothatyourinquiryishandledinanexpeditiousmanner 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 9010 or...

Page 45: ...e distributor 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 ADC factory for warranty information be sure to have the dryer s model number and serial number available so that your inquiry can be handled in an expeditious manner C RETURNING WARRANTY PARTS ALL dryer or part...

Page 46: ...transit 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...

Page 47: ...R AREA CLEAR 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 hours per day SUGGESTED CLEANING SCHEDULE EVERY THIRD or FOURTH LOAD Clean the lint screen every third or fourth load Aclogged lint screen will cause poor dryer performance The lint screen...

Page 48: ...K CAN CREATE A POTENTIAL FIRE HAZARD NOTE DO NOT OBSTRUCT THE FLOW OF COMBUSTION and VENTILATION AIR CHECK CUSTOMER FURNISHED BACK DRAFT DAMPERS IN THE EXHAUST DUCT WORK INSPECT and REMOVE ANY LINT ACCUMULATION WHICH CAN CAUSE THE DAMPER TO BIND or STICK NOTE A back draft damper that is sticking partially closed can result in slow drying and shut down of heat circuit safety switches or thermostats...

Page 49: ...rea of the 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 Switch Postion Number 1 2 3 4 5 Time in Seconds 30 60 90 120 150 DWELL Stop TIME Switch Postion Number 1 2 3 4 5 Time in Seconds 5 6 8 10 12 Values shown are 1 second ...

Page 50: ...ertain information is required to in sure proper service parts information from ADC This information is on the data label that is located in the left inside front side panel as shown in the illustration above When contacting ADC please have the model number as well as the serial number readily available ...

Page 51: ...cular model 4 TYPE OF HEAT The type of heat describes the type 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 MANIF...

Page 52: ...conds the hot surface ignitor will shut off Ignition flame should now be established 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 hot surface ignitor will turn on and after a few seconds later the gas valve will...

Page 53: ...ADC113029 1 01 19 98 50 2 10 14 98 0 3 01 11 99 20 4 04 26 99 35 ...

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