American Dryer Corp. AD-81 II Installation Manual Download Page 25

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2. Electrical Service Specifications

IMPORTANT:

The dryer

must be

connected to the electric supply shown on the data label that is

affixed to the left side panel area behind the top control (access) door. In the case of
208 VAC or 230/240 VAC, the supply voltage must match the electric service
specifications of the data label

exactly

IMPORTANT:

The wire size

must be

properly sized to handle the related current.

WARNING: 208 VAC AND 230/240 VAC ARE

NOT

THE

SAME.

Any damage done to dryer

components due to improper voltage connections will automatically VOID THE
WARRANTY.

NOTE:

Contact factory for electrical information not listed.

NOTE: ADC

reserves the right to make changes in specifications at any time without notice or

obligation.

ADG-81 (Gas)

ADS-81 (Steam)

ELECTRIC SERVICE SPECIFICATIONS (PER DRYER)

IMPORTANT

: 208 VAC AND 230/240 VAC

ARE NOT THE SAME

When ordering,

specify

exact voltage

NOTES

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 rating and type of breaker used.

SERVICE

VOLTAGE

PHASE

WIRE

SERVICE

APPROX.

AMP DRAW

MINIMUM

WIRE SIZE

FUSING

CIRCUIT

BREAKER

Dual Element

Time Delay

60 Hz

50 Hz

208

3ø

12.5

230/240

3ø

14.8

12.4

380

3ø

7.0

416

3ø

7.3

460/480

3ø

6.7

* AWG Stranded Wire Type...size wire as per National Electrical Code or local codes.

Summary of Contents for AD-81 II

Page 1: ...l the fire department Installation 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 minimumle risque d incendie ou d explosion pour ou éviter tout dommage matériel toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liqui...

Page 2: ...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 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: ...R DRYERS IN OPERATION CAUTION DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION 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 switch lint drawer switch or the heat circuit safety devices ever be disabled Caution Label all wires prior to disconnection when servicing controls Wirin...

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

Page 5: ...g Setting Up 11 C Dryer Enclosure Requirements 12 D Fresh Air Supply Requirements 13 E Exhaust Requirements 14 F Electrical Information 20 G Gas Information 23 H Steam Information 27 I Preparation For Operation Start Up 31 J Preoperational Tests 32 K Preoperational Instructions 34 L Shut Down Instructions 34 SECTION IV SERVICE PARTS INFORMATION 35 A Service 35 B Parts 35 SECTION V WARRANTY INFORMA...

Page 6: ...ubrication 40 D Lint Drawer Removal 40 SECTION VII TROUBLESHOOTING 41 SECTION VIII DATA LABEL 48 A Data Label 48 SECTION IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 50 SECTION X BURNER AND BASKET TUMBLER LINT CHAMBER MANUAL RESET HI LIMIT INSTRUCTIONS 53 ...

Page 7: ... be accepted 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 diffic...

Page 8: ... 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 o...

Page 9: ...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 DO NOT operate steam dryers with more than 125 PSI 8 62 bars steam pressure Excessive steam pressure can damage steam coil and or harm personnel 13 Replace leaking flexi...

Page 10: ...w DOOR OPENING DIAMETER 21 1 2 54 61 cm BASKET TUMBLER VOLUME 22 4 cu ft 0 634 cu m DRYERS PER 20 40 CONTAINER 10 20 DRYERS PER 48 53 TRUCK 24 26 VOLTAGE AVAILABLE 208 460v 3ø 50 60 Hz APPROX WEIGHT UNCRATED 756 lbs 342 9 kg APPROX WEIGHT CRATED 806 lbs 365 6 kg HEAT INPUT 270 000 btu hr 68 040 kcal hr AIRFLOW 1 700 cfm 48 14 cmm INLET PIPE SIZE 1 F P T VOLTAGE AVAILABLE 208 460v 3ø 50 60 Hz APPRO...

Page 11: ...7 Specifications ADS 81 II ADG 81 II NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 12: ...ol Keyboard touch pad Panel Assembly controls 2 Control top access Door Assembly 3 Main Door Assembly 4 Lint Compartment Area located behind front panel 5 Lint Drawer 6 Data Label and Installation Label data label that is affixed to the left side panel area behind the top control access door ...

Page 13: ...t 2 1 8 Compressed Air Supply Inlet behind electric service relay box for steam units only 3 Electric Service Relay 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 ...

Page 14: ... 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 Provisions for adequate air supply must be provided as noted in ...

Page 15: ...ne 1 at each corner of the dryer base Two 2 are located in the rear of the dryer base and two 2 are located in the lint chamber To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear WARNING An exhaust duct transition piece is shipped inside of the dryer s tumbler and MUST be installed on the dryer s exhaust duct with the hardware provided BEFORE location v...

Page 16: ... 54 cm clearance is required NOTE Allowances must be made for opening the control door Dryers may be positioned sidewall to sidewall However a 1 16 1 5875 mm minimum allowance must be made for opening and closing of the control and lint doors 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 b...

Page 17: ...llbe 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 given careful consideration to assure proper performance of each dryer An unrestricted source of air is necessary for each dryer An airflow of 1 700 cfm cubic feet per minute 48 14 cmm cubic meters per minute must be supplied to...

Page 18: ...ostats The dryer must be installed with a proper exhaust duct connection to the outside CAUTION This dryer produces combustible lint and must be exhausted to the outdoors CAUTION DRYER MUST BE EXHAUSTED TO THE OUTDOORS CAUTION IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORKCAN CREATE A POTENTIAL FIREHAZARD The ductwork should be laid out in such a way that the ductwork travels as directly as possib...

Page 19: ... of water column W C IMPORTANT Minimum ductwork diameter is 14 inches 35 56 cm 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 must be centered within this opening a Outside Ductwork Protection 1 To protect the outside end of the horizontal ductwork from the weat...

Page 20: ...ured by a manometer at each basket tumbler exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C It is suggested that the ductwork from each dryer not exceed 15 feet 4 57 meters with no more than two 2 elbows excluding dryer connections and outside exhaust outlets If the ductwork exceeds 15 feet 4 57 meters or has numerous elbows the cross section area...

Page 21: ...t opening and the nearest obstruction IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork 3 Multiple Dryer Common Venting If it is not feasible to provide separate exhaust ducts for each dryer ducts from individual dryers may be channeled into a common main duct The individual ducts should enter the bottom or side of the main duct at an angle not more than 4...

Page 22: ...s 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 opening must be 2 inches 5 08 cm larger t...

Page 23: ...19 ...

Page 24: ... Canadian Electrical Codes Parts 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 co...

Page 25: ...otice or obligation ADG 81 Gas ADS 81 Steam ELECTRIC SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 VAC AND 230 240 VAC ARE NOT THE SAME When ordering specify exact voltage NOTES A 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 dr...

Page 26: ... 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 hand corner of the dryer To gain access to the service box and contactor the service box cover must be removed Providing local codes permit power to the dryer can be made by the use of a flexible U L listed cord pig...

Page 27: ...ble damage to the gas valves VOIDING 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 done b...

Page 28: ...e 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 Drill Material Size D M S equivalents are as follows Natural Gas 23 0 154 3 9116 mm Liquid Propane Gas 41 0 096 2 4384 mm TYPE OF GAS NATURAL LIQUID PROPANE Manifold Press...

Page 29: ... that a 1 inch 2 54 cm pipe gas loop be installed in the supply line servicing a bank of dryers An in line pressure regulatormust be installed in the gas supply line header if the natural gas pressure exceeds 12 0 inches 29 9 mb of water column W C pressure IMPORTANT A water column pressure of 3 5 inches 8 7 mb for natural gas and 10 5 inches 26 1 mb for L P dryers is required at the gas valve pre...

Page 30: ...er must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa ...

Page 31: ... line connection qty one 1 at top manifold b Return 1 inch return line connection qty one 1 at bottom manifold 2 Installation Instructions To insure that an adequate supply of steam is provided be sure that the steam supply and steam return lines are sized and laid out as stipulated in this manual Inadequate steam supply and steam return lines or improper steam plumbing will result in poor perform...

Page 32: ...with a capacity of 1 000 lbs 454 kg of condensate per hour at 125 PSI 8 62 bars is needed for each unit f A 3 4 inch 19 05 mm vacuum breakershould be installed for each unit in the piping This will prevent the condensing steam from causing a vacuum inside the coil and possibly damaging the coil g The supply and return lines should be insulated This will save energy and provide for the safety of th...

Page 33: ...mper System Operation The ADS 81 II steam damper as shown in thetop illustrationon page 30 allows the coil to stay constantly charged eliminating repeated expansion and contraction When the damper is opened the air immediately passes through the already hot coil providing instant heat to start the drying process When the damper is closed ambient air is drawn directly into the basket tumbler allowi...

Page 34: ...djusted prior to shipping at 80 PSI 5 51 bars steam damper operation must be checked before the dryer is put into operation Refer to page 32 and page 33 for instructions to check steam damper operation If damper air adjustment is necessary locate flow control valve and make necessary adjustments as noted below ...

Page 35: ...justment must be checked to assure that this important safety control is functioning Refer to page 33 for sail switch adjustment 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 cover have been replaced 7 Check ALL service doors to assure that they are closed and secured in place 8 Be sure the lint drawer is closed and secu...

Page 36: ...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 b A gas pressure test should be taken at the gas valve pressure tap of each dryer to assure that the water column W C pressure is correct and consistent NOTE Water column pressure requirements measured...

Page 37: ...sed parameter program selections If computer program changes are required refer to the computer programming manual which was shipped with the dryer 8 Check the electric service phase sequence 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...

Page 38: ...e User s Manual for detailed operating instructions L SHUT DOWN INSTRUCTIONS If the dryer is to be shut down 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 gas or steam supply a GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shutoff val...

Page 39: ...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 40: ...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 41: ...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 42: ...LATION OF LINT CAN CREATE A POTENTIAL FIRE HAZARD WARNING KEEP DRYER 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 IMPORTANT Dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspect the ...

Page 43: ...ARNING THE ACCUMULATION OF LINT IN THE EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD WARNING DO NOT OBSTRUCT THE FLOW OF COMBUSTION ANDVENTILATION AIR CHECK BACK DRAFT DAMPERS IN THE EXHAUST DUCTWORK 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 ci...

Page 44: ...yer DO NOT have a grease fitting Provisions are made in the bearing housing for the addition of a grease fitting which can be obtained elsewhere or from ADC by ordering kit Part No 882159 basket tumbler ONLY which includes two 2 fittings D LINT DRAWER REMOVAL To remove the lint drawer from the dryer pull drawer out approximately half way Rotate and move lint drawer stop hinge refer to the illustra...

Page 45: ...ng returned to the factory IMPORTANT When replacing blown fuses the replacement must be of the exact rating as the fuse being replaced The information provided should not be misconstrued as a handbook for use by an untrained person in making repairs WARNING ALLSERVICE AND TROUBLESHOOTING SHOULD BE PERFORMED BYA QUALIFIED PROFESSIONAL OR SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALLSAFETY...

Page 46: ...tor 4 Failed microprocessor controller computer F Blower motor operates okay for a few minutes and then stops and will not restart 1 Motor is overheating and tripping out on internal overload protector a Motor air vent is clogged with lint b Low voltage to the motor c Failed motor d Failed out of balance impellor fan blower G Both drive motor and blower motor are not operating does not start micro...

Page 47: ...ocessor controller computer d Broken wire or connection somewhere between the microprocessor controller computer and the microprocessor temperature sensor J Microprocessor controller computer display reads door 1 Fault open circuit in main door or lint drawer switch circuit a Lint drawer is not closed ALL the way b Lint drawer switch is out of proper adjustment c Failed lint drawer switch d Failed...

Page 48: ... Fault in the microprocessor heat sensor circuit a Loose connection in wires between the temperature sensor and the microprocessor controller computer 2 Loose connection somewhere in main power circuit to the microprocessor controller computer O Gas heating unit is not operating no heat no spark at burner area when dryer is first started and heat indicator dot is on 1 Fault in the sail switch circ...

Page 49: ...mper 80 PSI 5 51 bars is required 4 Failed steam damper 24 VAC pneumatic solenoid switch 5 Failed steam damper piston 6 Steam damper stuck closed 7 Airflow control valve restricting incoming compressed air R Dryer operates but is taking too long to dry 1 Exhaust ductwork run too long or is undersized back pressure must be no less than 0 and cannot exceed 0 3 inches 0 74 mb water column W C 2 Restr...

Page 50: ...ystem c Flow control incorrectly set S Condensation on main door glass 1 Too long undersized or improperly installed ductwork 2 Customer furnished back draft damper in ductwork is sticking in partially closed position T Dryer is making scraping noise at basket tumbler area 1 Check for object caught in basket tumbler wrapper area 2 Basket tumbler is out of proper alignment a Check both the vertical...

Page 51: ...e basket tumbler tie rod 4 Basket tumbler is out of adjustment or adjustment bolts hardware are loose 5 Failed basket tumbler support 6 Loose motor mount 7 Failed idler and or basket tumbler bearings 8 V belt s either too tight or too loose ...

Page 52: ...ervice parts information from ADC This information is on the data label located on the left side panel area behind top control access door When contacting ADC please have the model numberand serial numberavailable SECTION VIII DATA LABEL INFORMATION A DATA LABEL Contact American Dryer Corporation ...

Page 53: ... 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 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 MANI...

Page 54: ...ter board reestablish power to the dryer b Start the drying cycle c Verify that the motor s and the heat indicator dots in the microprocessor controller computer light emitting diode L E D display are on Refer to the illustration below d Verify that the motor s heat and door indicator lights on the back side of the microprocessor controller computer board are lit Refer to the illustration below ...

Page 55: ...g cycle When the gas burner ignites within the chosen trial for ignition time 6 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 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 r...

Page 56: ...sor wire from the FS terminal of the DSI module s indicator light red f The burner flame must shut off and the ignition module must lockout with the DSI module s indicator light red g Stop the drying cycle with the flame sensor wire still removed restart the drying cycle h The ignition module must proceed through the pre purge with the indicator light red the ignition trial time of approximately 8...

Page 57: ... open state of the burner hi limit thermostat and will start or continue through the drying cycle with no heat M a n u a lr e s e th i l i mi tt h e r m o s t a tmust be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper burner oven operation The location of the manual reset hi limit switch is on the right side of the burner box IMPORTAN...

Page 58: ...it thermostat and will start or continue through the drying cycle with no heat Manual reset hi limit must be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper heating unit operation The location of the manual reset hi limit is in the lint chamber area WARNING Discontinue power to dryer before attempting to reset hi limit IMPORTANT This ...

Page 59: ...ADC 113311 1 02 06 01 35 2 09 19 01 25 ...

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