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American Dryer Corp. AD-78 IV, Installation Manual

The American Dryer Corp. AD-78 IV is a state-of-the-art commercial dryer. Ensure seamless installation with our comprehensive Installation Manual, available for free download at manualshive.com. This manual provides step-by-step instructions and expert guidance to assist you in maximizing the efficiency and performance of your dryer.

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9

2. Dryer Rear View

Illus. No.

Description

1

Heating Unit

2

Electric Service Relay Box

3

Electric Service Connections made here.

4

Basket (tumbler) Bearing Mount Assembly

5

Idler Bearing Mount Assembly

6

Basket (tumbler) (drive) Motor Assembly (for reversing models ONLY)

7

Leveling Leg (rear)

8

Blower Motor Assembly

9

Dryer Exhaust

Summary of Contents for AD-78 IV

Page 1: ...ucannotreachyourgassupplier 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 aut...

Page 2: ...e 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 OFPURCHASE ________________________________ M...

Page 3: ...ERATION CAUTION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION FORYOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer 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 Attenti...

Page 4: ... 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 IMPORTANT Dryer must be installed in a location environment which the ambient ...

Page 5: ...s 13 D FreshAirSupplyRequirements 14 E ExhaustRequirements 15 F ElectricalInformation 18 G GasInformation 25 H Preparation For Operation Start Up 29 I PreoperationalTests 30 J PreoperationalInstructions 32 K ShutdownInstructions 33 SECTION IV SERVICE PARTS INFORMATION 34 A Service 34 B Parts 34 SECTION V WARRANTY INFORMATION 35 A ReturningWarrantyCards 35 B Warranty 35 C ReturningWarrantyParts 35 ...

Page 6: ...N IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 42 SECTION X SENSOR ACTIVATED FIRE EXTINGUISHING S A F E SYSTEM 44 Installation 45 SensorActivatedFireExtinguishing S A F E TheoryofOperation 48 SystemReset 48 OPLS A F E System Check Procedure 48 SensorActivatedFireExtinguishing S A F E PartsBreakDown 49 ...

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: ...ly 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 6 Although ADC produces a very versatile dryer there are some articles that due to fabric composition...

Page 9: ...NG PERSONAL INJURY 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 FOLLOW ALL CAUTION AND DIRECTION LABELS ATTACHED TO THE DRYER 13 For ...

Page 10: ...4 kg BASKET TUMBLER DIAMETER 44 1 2 113 03 cm BASKET TUMBLER DEPTH 24 7 8 63 18 cm BASKET TUMBLER MOTOR 1hp 0 746 kW DOOR OPENING DIAMETER 31 3 8 79 7 cm BASKET TUMBLER VOLUME 22 4 cu ft 0 634 cu m CABINET WIDTH 46 3 16 117 32 cm CABINET DEPTH 34 86 36 cm CABINET HEIGHT 84 1 4 214 cm EXHAUST CONNECTION 10 25 4 cm S A F E WATER CONNECTION 1 2 M N P T DRYERS PER 20 40 CONTAINER 8 18 DRYERS PER 48 53...

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

Page 12: ...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 affixed to the left side panel area behind the top control access door ...

Page 13: ...lectric Service Relay Box 3 Electric Service Connections made here 4 Basket tumbler Bearing Mount Assembly 5 Idler Bearing Mount Assembly 6 Basket tumbler drive Motor Assembly for reversing models ONLY 7 Leveling Leg rear 8 Blower Motor Assembly 9 Dryer Exhaust ...

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: ...e 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 slide the dryer into its final position slightly lower ALL four 4 leveling legs so that the dryer will slide on the legs instea...

Page 16: ... to the top of the dryer shown in the illustration below d Remove the two 2 self taping screws on the back electrical box and pull through ALL associated wires from the motor to this electrical box refer to the illustration below e Reverse procedure for installing top section ...

Page 17: ...owance 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 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...

Page 18: ...te 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 openingsshould 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 accept...

Page 19: ...mbler dryer elbow connections or elbows used for outside protection from the weather no more than two 2 elbowsshould 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 ...

Page 20: ...ather a 90 elbow bent downward should be installed where the exhaust 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 o...

Page 21: ...ed 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 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 o...

Page 22: ... 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 dryer must be connected with copper wire only DO NOT use aluminum wire which could cause a fire hazard...

Page 23: ...oltage NOTES A B C 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 calculate verify correct breaker size according to appliance amp draw ra...

Page 24: ... 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 must be grounded Provisions are made for ground connection in each dryer at the electrical service connection ar...

Page 25: ...nto 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 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 ...

Page 26: ...No single 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 co...

Page 27: ... provided for this purpose Input connection wiring must be sized properly to handle the dryer s current draw This information is printed on the dryer s data label NOTE A CIRCUIT SERVICINGEACH 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 cop...

Page 28: ...can be hard wired directly to the service breaker panel In ALL cases 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 ...

Page 29: ...E 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 done by a qualified professional NOTE Undersized gas piping will re...

Page 30: ... 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 pressuremust be regulated at the source L P tank or an external regulator must be added to each dryer Drill Measurement Size D M S equivalents are as follows Natural Gas 23 0 1540 3 9116 mm Liquid Propane Gas 42 0 0935 2 3749 mm TYPE OF GA...

Page 31: ...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 32: ... works well WARNING NEVER TEST FOR LEAKS WITH A FLAME ALL components materialsmust conform toNationalFuelGasCodeSpecificationsANSIZ223 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 done by a qualified professional It is important that gas pressu...

Page 33: ...as indicated on the dryer data label 4 GAS MODELS the sail switch damper assembly was installed and 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 shutoff valves are in the open position 6 Be sure ALL back panels guards and electric box covers have been repla...

Page 34: ...LL gas shutoff valves are open NOTE Gas dryers are equipped with a Direct Spark Ignition DSI system which has internal diagnostics If ignition is not established within three 3 times 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 2 A gas pressure test should be taken at the gas valve pressure tap...

Page 35: ...ections 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 front the blower wheel impellor fan should spin in the clockwise CW direction If i...

Page 36: ...art the dryer The six 6 preprogrammed drying cycles A through F have been stored in the microprocessor controller computer memory Refer to the Programming Manual supplied with the dryer for more specific operating instructions NOTE The dryer can be stopped at any time by opening the main door or by pressing the STOP red key To restart the dryer press the START green key or a preprogrammed cycle ke...

Page 37: ...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 ...

Page 38: ...rial 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 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 m...

Page 39: ...rom 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 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 be handled...

Page 40: ...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 41: ... 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 42: ...ct 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 replaced Tighten loose V belts when necessary Complet...

Page 43: ...the dryer Both the dwell stop time and the basket tumbler spin time are adjustable by mode selection switches located on the electronic timer refer to 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 44: ...Dryer Corporation certain information is required to insure proper service parts information from ADC This information is on the data label that is affixed to the left side panel area behind the top control access door When contacting ADC please have the model number as well as the serial numberreadily available ...

Page 45: ...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 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 service for your particular model 8 GAS MAN...

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: ...heat The DSI module will LOCKOUT if the gas burner flame is not sensed at the end of the trial for ignition period The trial for ignition period willbe repeated for a total of three 3 retries trials the initial try and two 2 more retries trials If the flame is not sensed at the end of the third retry trial inter purge period of 30 seconds the DSI module will LOCKOUT light emitting diode L E D flas...

Page 48: ...for 2 minutes and will automatically activate again if a fire condition 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...

Page 49: ...water solenoid valve is a 1 2 M P T the S A F E system must be supplied 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...

Page 50: ...onnection and a 1 2 bushing is supplied to provide the minimum 1 2 supply feed line Flexiblesupplyline couplingmustbe usedineffort to avoid damage to electric water solenoid valve IMPORTANT Flexible supply line coupling must be used Solenoid valve failure due to hard plumbing connections WILL VOID WARRANTY It is recommendedthat a filter or strainer be installed in the water supply line Typical wat...

Page 51: ...ar area of 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 WARNING If the water in the supply line or water solenoid valve freezes the S A F E system will be INOPERATIVE The manual ball cock shutoff valve must be located outside of the dryer at a distance from the dryer whe...

Page 52: ...bove trip point if so water will remain on The control will continue to check if temperature is above trip point every 30 seconds If the water has been on for a constant 10 minutes the water will be turned off regardless of the temperature If the temperature has dropped below trip point the control will turn off the water prior to 10 minutes SYSTEM RESET After the microprocessor determines that th...

Page 53: ...ly before ordering We have tried to make this manual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models Illus No Part No Qty Description 1 165114 1 S A F E System Solenoid Water Valve 24V 50 60 Hz 2 143220 1 3 8 F P T Brass Tee...

Page 54: ...2752 1 S A F E System Temperature Probe Assembly includes illus nos 1 through 5 2 154007 2 Push On Fastener 3 390390 1 Sensor Bracket ONLY 4 150301 2 8 18 x 7 16 Phillips Pan Head TEK Screw 5 122647 1 Connector ONLY does not include terminals ...

Page 55: ...ADC 113164 1 01 16 03 25 2 02 27 03 25 3 05 09 03 50 ...

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