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American Dryer Corp. AD-81 II Installation Manual

Gas/steam models
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Installation Manual
WARNING: For your safety the
information in this manual must be
followed to minimize the risk of fire or
explosion or to prevent property damage,
personal injury or death.
Do not store or use gasoline or other flammable
vapor and liquids in the vicinity of this or any
other appliance.
WHAT DO YOU DO IF YOU SMELL GAS
* Do not try to light any appliance.
* Do not touch any electrical switch; do not use
any phone in your building.
* Clear the room, building or area of all
occupants.
* Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
* If you cannot reach your gas supplier, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
010301DX/rar
AD-81 II
(Gas/Steam Models)
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 liquides inflammables dans
le voisinagede cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR
DE GAZ:
* Ne pas tenter d'allumer d'appareil.
* Ne touchez à aucun interrupteur. Ne pas
* Évacuez la pièce le bâtiment ou la zone.
* Appelez immédiatement votre fournisseur de
* Si vous ne pouvez rejoindre le fournisseur
Línstallation et l'entretien doivent être assurés
par un installateur ou un service d'entretien
qualiifié ou par le fournisseur de gaz.
For replacement parts, contact the reseller from which the dryer
American Dryer Corporation
Fall River MA 02720-4781
Telephone: (508) 678-9000 / Fax: (508) 678-9447
E-mail: techsupport@amdry.com
vous servir des téléphones se trouvant dans
le bâtiment où vous vous trouvez.
gaz depuis un voisin. Suivez les instructions
du fournisseur.
de gaz appelez le service des incendies.
was purchased or
88 Currant Road
www.amdry.com
ADC Part No. 113311

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  • Page 1 Installation and service must be performed by a qualified installer, service agency or the gas supplier. 010301DX/rar AD-81 II (Gas/Steam Models) 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.
  • Page 2 Important For your convenience, log the following information: “IMPORTANT NOTE TO PURCHASER” POUR VOTRE SÉCURITÉ Ne pas entreposer ni utiliser d’essence ni d’autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de yout autre appareil. AD-81 II...

  • Page 3: For Your Safety

    YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, OR TESTING OF ANY EQUIPMENT PER OSHA (Occupational Safety and Health Administration) STANDARDS.
  • Page 4 WARNING The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJURY OR FIRE COULD RESULT. WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER/SCREEN IN PLACE, EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation manual included with the dryer.

  • Page 5: Table Of Contents

    Table of Contents SECTION I IMPORTANT INFORMATION ... 3 A. Receiving and Handling ... 3 B. Safety Precautions ... 4 SECTION II SPECIFICATIONS/COMPONENT IDENTIFICATION ... 6 A. Specifications ... 6 B. Component Identification ... 8 SECTION III INSTALLATION PROCEDURES ... 10 A.
  • Page 6 SECTION VI ROUTINE MAINTENANCE ... 38 A. Cleaning ... 38 B. Adjustments ... 39 C. Lubrication ... 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 ...

  • Page 7: Important Information

    IMPORTANT INFORMATION A. RECEIVING AND HANDLING The dryer is shipped in a protective stretch wrap cover with protective cardboard corners and top cover (or optional box) as a means of preventing damage in transit. Upon delivery, the dryer and/or protective packaging, and wooden skid should be visually inspected for shipping damage.

  • Page 8: Safety Precautions

    B. SAFETY PRECAUTIONS WARNING: For your safety, the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury, or loss of life. WARNING: The dryer must never be operated with any of the back guards, outer tops, or service panels removed.
  • Page 9 7. A program should be established for the inspection and cleaning of lint in the burner area, exhaust ductwork, and area around the back of the dryer. The frequency of inspection and cleaning can best be determined from experience at each location. WARNING: The collection of lint in the burner area and exhaust ductwork can create a potential fire hazard.

  • Page 10: Specifications/Component Identification

    SPECIFICATIONS/COMPONENT IDENTIFICATION A. SPECIFICATIONS BASKET (TUMBLER) DIAMETER BASKET (TUMBLER) DEPTH BASKET (TUMBLER) MOTOR BLOWER MOTOR DOOR OPENING (DIAMETER) BASKET (TUMBLER) VOLUME DRYERS PER 20'/40' CONTAINER DRYERS PER 48'/53' TRUCK VOLTAGE AVAILABLE* APPROX. WEIGHT (UNCRATED) APPROX. WEIGHT (CRATED) HEAT INPUT AIRFLOW INLET PIPE SIZE VOLTAGE AVAILABLE* APPROX.

  • Page 11: Specifications

    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: Component Identification

    B. COMPONENT IDENTIFICATION 1. Dryer Front View Illus. No. Description Microprocessor Control / Keyboard (touch pad) Panel Assembly (controls) Control (top access) Door Assembly Main Door Assembly Lint Compartment Area (located behind front panel) Lint Drawer Data Label and Installation Label (data label that is affixed to the left side panel area behind the top control [access] door).
  • Page 13 2. Dryer Rear View Illus. No. Description Heating Unit 1/8” Compressed Air Supply Inlet (behind electric service relay box for steam units only) Electric Service Relay Box Basket (tumbler) Bearing Mount Assembly Idler Bearing Mount Assembly Blower Motor Assembly Leveling Leg (rear) Basket (tumbler) Drive Motor Assembly (reversing models only) Dryer Exhaust * Electric service connections for gas and steam models are made in this box.

  • Page 14: Installation Procedures

    INSTALLATION PROCEDURES Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, the installation must conform to applicable American National Standards: ANSI Z223.1- LATEST EDITION (National Fuel Gas Code) or ANSI/NFPA NO. 70-LATEST EDITION (National Electrical Code) or in Canada, the installation must conform to applicable Canadian Standards: CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing) or Canadian Electrical Codes Parts 1 &...

  • Page 15: Unpacking/Setting Up

    CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors. Every 6 months, inspect the exhaust ducting and remove any lint build up. 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 venting is connected to the dryer.

  • Page 16: Dryer Enclosure Requirements

    C. DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12-inches (30.48 cm), 18-inches (45.72 cm) 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 clearance between the bulkhead header and the dryer must be a minimum of 4-inches (10.16 cm) and must not extend more than 4-inches (10.16 cm) to the rear of the front.

  • Page 17: Fresh Air Supply Requirements

    IMPORTANT: When fire sprinkler systems are located above the dryers, a minimum of 18-inches (45.72 cm) above the dryer console (module) is required. Dryers may be positioned sidewall to sidewall, however, a 1/16” (1.5875 mm) minimum allowance is required between dryers (or wall) for ease of installation and maintenance. Allowances must be made for the opening and closing of the control door and the lint door.

  • Page 18: Exhaust Requirements

    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 distributed equally to ALL the dryers. EXAMPLE: For a bank of four (4) dryers, two (2) openings measuring 2 feet by 2-1/2 feet (0.61 meters by 0.76 meters) (10 square feet [0.93 square meters]) is acceptable.
  • Page 19 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 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 periodic inspection and cleaning of lint from the ductwork.
  • Page 20 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 ductwork travels as directly as possible to the outdoors with as few turns as possible.
  • Page 21 IMPORTANT: For extended ductwork runs, the cross section area of the ductwork can only be increased to an extent. Maximum proportional ductwork runs cannot exceed 15 feet (4.57 meters) more than the original limitations of 15 feet (4.57 meters) with two (2) elbows.
  • Page 22 IMPORTANT: For extended ductwork runs, the cross section area of the ductwork can only be increased to an extent. Maximum proportional ductwork runs, cannot exceed 15 feet (4.57 meters) more than the original limitations of 15 feet (4.57 meters) with two (2) elbows.

  • Page 24: Electrical Information

    F. ELECTRICAL INFORMATION 1. Electrical Requirements It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms to local and state regulations or codes. In the absence of such codes, ALL electrical connections, materials, and workmanship must conform to the applicable requirements of the National Electrical Code ANSI/NFPA NO.
  • Page 25 2. Electrical Service Specifications 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.
  • Page 26 3. Electrical Connections NOTE: A wire diagram is located in the front electrical control box for connection data. a. 3-Phase (3ø) Wiring Connections The only electrical input connections to the dryer are the 3-phase (3ø) power leads (L1, L2, L3, and sometimes Neutral) and ground.

  • Page 27: Gas Information

    G. GAS INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gas plumbing installation is adequate and conforms to local and state regulations or codes. In the absence of such codes, ALL plumbing connections, materials, and workmanship must conform to the applicable requirements of the 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 (Liquid Propane [L.P.] Gas) or LATEST...
  • Page 28 2. Technical Gas Data a. Gas Specifications Manifold Pressure* 3.5 inches W.C. In-Line Pressure 6.0 - 12.0 inches W.C. Shaded areas are stated in metric equivalents b. Gas Connections Inlet connection --- 1-inch N.P.T. Inlet supply size --- 1-inch N.P.T. (minimum) Btu/hr input -------- 270,000 (68,040 kcal/hr) 1) Natural Gas Regulation is controlled by the dryer’s gas valve’s internal regulator.
  • Page 29 3. Piping and Connections 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 (Liquid Propane [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.
  • Page 30 NOTE: The dryer 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: Steam Information

    H. STEAM INFORMATION It is your responsibility to have ALL steam plumbing connections made by a qualified professional to assure that the installation is adequate and conforms to local and state regulations or codes. IMPORTANT: Failure to comply with the requirements stipulated in this manual can result in component failure, which will VOID THE WARRANTY.
  • Page 32 b. The steam supply piping to the dryer must include a 12-inch (30.48 cm) rise along with a drip trap and check valve. This will prevent any condensate from entering the steam coil. c. Flexible hoses or couplings must be used. The dryer vibrates slightly when it runs and this will cause the steam coil connections to crack if they are hard piped to the supply and return mains.
  • Page 33 3. Steam Damper Air System Connections The ADS-81 II is manufactured with a pneumatic (piston) damper system, which requires an external supply of compressed air. The air connection is made to the steam damper solenoid valve, which is located at the rear inner top area of the dryer just above the electric service relay box. a.
  • Page 34 5. Steam Damper Air Piston (Flow Control) Operation Adjustment Although the damper operation was tested and adjusted 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.

  • Page 35: Preparation For Operation/Start-Up

    I. PREPARATION FOR OPERATION/START-UP The following items should be checked before attempting to operate the dryer: 1. Read and follow ALL “CAUTION,” “WARNING,” and “DIRECTION” labels attached to the dryer. 2. Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label affixed to the left side panel area behind the top control (access) door.

  • Page 36: Preoperational Tests

    J. PREOPERATIONAL TESTS ALL dryers are thoroughly tested and inspected before leaving the factory. However, a preoperational test should be performed before the dryer is publicly used. It is possible that adjustments have changed in transit or due to marginal location (installation) conditions. 1.
  • Page 37 5. Make a complete operational check of ALL safety related circuits: a. Door switch(es) b. Hi-limit thermostats c. Lint drawer switch d. Sail switch (for gas models only) NOTE: To check for proper sail switch operation (for gas models only), open the main door and while holding main door switch plunger in, start dryer.

  • Page 38: Preoperational Instructions

    10. Check to insure that ALL setscrews (i.e., basket [tumbler] drive, idler, etc.) are tight. K. PREOPERATIONAL INSTRUCTIONS 1. To start the dryer: a. Microprocessor controller (computer) dryers 1) The light emitting diode (L.E.D.) display will read “FILL.” 2) Press the “E” on the keyboard (touch pad). 3) The dryer will start and the L.E.D.

  • Page 39: Service/Parts Information

    SERVICE/PARTS INFORMATION A. SERVICE 1. Service must be performed by a qualified trained technician, service agency, or gas supplier. If service is required, contact the reseller from whom the ADC equipment was purchased. If the reseller cannot be contacted or is unknown, contact the ADC Service Department for a reseller in your area. NOTE: When contacting the ADC Service Department, be sure to give them the correct model number and serial number so that your inquiry is handled in an expeditious manner.

  • Page 40: Warranty Information

    WARRANTY INFORMATION A. RETURNING WARRANTY CARDS 1. Before any dryer leaves the ADC factory test area, a warranty card is placed on the back side of the main door glass. These warranty cards are intended to serve the customer where we record the individual installation date and warranty information to better serve you should you file a warranty claim.
  • Page 41 2. Each part must be tagged with the following information: a. Model number and serial number of the dryer from which part was removed. b. Nature of failure (be specific). c. Date of dryer installation. d. Date of part failure. e.

  • Page 42: Routine Maintenance

    ROUTINE MAINTENANCE A. CLEANING A program or schedule should be established for periodic inspection, cleaning, and removal of lint from various areas of the dryer, as well as throughout the ductwork system. The frequency of cleaning can best be determined from experience at each location.

  • Page 43: Adjustments

    STEAM DRYERS Clean the steam coil fins. Suggest using compressed air and a vacuum cleaner with brush attachment. NOTE: When cleaning steam coil fins, be careful not to bend the fins. If the fins are bent, straighten by using a fin comb, which is available from any local air conditioning supply house. 90 DAYS 1.

  • Page 44: Lubrication

    C. LUBRICATION The motor bearings and under normal/most conditions the basket (tumbler) and idler bearings are permanently lubricated. It is physically possible to re-lubricate the basket (tumbler) and idler bearings if you choose to do so even though this practice is not necessary. Use Shell Alvania #2 or its equivalent. The basket (tumbler) and idler bearings used in the dryer DO NOT have a grease fitting.

  • Page 45: Troubleshooting

    IMPORTANT: YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, OR TESTING OF ANY EQUIPMENT PER OSHA (Occupational Safety and Health Administration) STANDARDS.
  • Page 46 2. Failed arc suppressor (A.S.) board. 3. Failed microprocessor controller (computer). D. Drive 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 vents clogged with lint. b.
  • Page 47 1. Fault in main door switch circuit... a. Failed main door switch. b. Main door switch is out of adjustment. c. Loose connection in the door switch circuit. 2. Fault in lint drawer switch circuit... a. Lint drawer switch is out of proper adjustment. b.
  • Page 48 2. Failed microprocessor controller (computer). L. Microprocessor controller (computer) will only accept certain keyboard (touch pad) entries... 1. Failed keyboard (touch pad) label assembly. 2. Failed microprocessor controller (computer). M. Microprocessor controller (computer) locks up and light emitting diode (L.E.D.) display reads erroneous message(s) or only partial segments...
  • Page 49 No heat...ignitor sparks, burner goes on and off right away...GAS MODELS ONLY... 1. Direct Spark Ignition (DSI) ignitor/flame-probe is out of adjustment...reposition closer to the flame area. 2. Sail switch is fluttering... a. Lint drawer/screen is dirty. b. Restriction in the exhaust ductwork. 3.
  • Page 50 6. Lint drawer/screen are not being cleaned on a regular basis or often enough. 7. Extractors (washers) are not performing properly. 8. Sail switch is fluttering...restriction in exhaust ductwork (for GAS MODELS ONLY). 9. Failed microprocessor controller (computer)...temperature calibration is inaccurate. 10.
  • Page 51 b. Failed impellor (fan/blower). 3. Loose 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: Data Label

    SECTION VIII DATA LABEL INFORMATION A. DATA LABEL Contact American Dryer Corporation When contacting American Dryer Corporation certain information is required to insure proper service/parts information from ADC. This information is on the data label located on the left side panel area behind top control (access) door.
  • Page 53 THE DATA LABEL 1. MODEL NUMBER The model number is an ADC number, which describes the size of the dryer and the type of heat (gas, electric, or steam). 2. SERIAL NUMBER The serial number allows ADC to gather information on your particular dryer. 3.

  • Page 54: Procedure For Functional Check Of Replacement Components

    PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. Microprocessor Controller (Computer) Board a. Upon completing installation of the replacement microprocessor controller (computer) 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.
  • Page 55 e. Open main door. The dryer must stop and ALL indicator lights on the back side of the microprocessor controller (computer) board must go out. f. Try to restart the dryer with the main door open. g. The microprocessor controller (computer) board’s light emitting diode (L.E.D.) display must read “DOOR.” h.
  • Page 56 3. For Direct Spark Ignition (DSI) System Models Manufactured With ADC Module Part No. 882627 a. Upon completing installation of the replacement DSI module, reestablish power to the dryer. b. Start the drying cycle. c. The ignition DSI module’s light emitting diode (L.E.D.) indicator will light “red”...

  • Page 57: Burner And Basket (Tumbler)/Lint Chamber

    BURNER AND BASKET (TUMBLER)/LINT CHAMBER MANUAL RESET HI-LIMIT INSTRUCTIONS MANUAL RESET HI-LIMIT INSTRUCTIONS FOR DUAL TIMER OR PHASE 5 WITHOUT HEAT FAULT This dryer was manufactured with a burner manual reset hi-limit thermostat. If the burner manual reset hi-limit thermostat is open prior to the start of the drying cycle, or during the cycle, the dryer will not recognize the open state of the burner hi-limit thermostat and will start or continue through the drying cycle with no heat.

  • Page 58: Electric Or Steam

    I M P O R T A N T MANUAL RESET HI-LIMIT INSTRUCTIONS FOR DUAL TIMER OR PHASE 5 WITHOUT HEAT FAULT This dryer was manufactured with a manual reset basket (tumbler)/lint chamber hi-limit thermostat. If the manual reset thermostat is open prior to the start of the drying cycle, or during the cycle, the dryer will not recognize the open state of the hi-limit thermostat and will start or continue through the drying cycle with no heat.
  • Page 59 ADC 113311 1 - 02/06/01-35 2 * 09/19/01-25...

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