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ADC ADH-120 Installation Manual

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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.
041001GS/rar
ADH-120
(HEPA)
Installation Manual
AVERTISSEMENT: Assurez-vous de bien
suivre les instructions données dans cette
notice pour réduire au minimum le risque
d'incendie ou d'explosion ou pour éviter tout
dommage matériel, toute blessure ou la mort.
Ne pas entreposer ni utiliser d'essence ni
d'autres vapeurs ou liquides inflammables dans
le voisinage de cet appareil ou de tout autre
appareil.
ADH-120 DRYER
For replacement parts, contact the reseller
from which the dryer was purchased or
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781
Telephone: (508) 678-9000 / Fax: (508) 678-9447
E-mail: techsupport@amdry.com
ADC Part No. 113324

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  • Page 1 ADH-120 DRYER For replacement parts, contact the reseller from which the dryer was purchased or American Dryer Corporation 88 Currant Road Fall River MA 02720-4781 Telephone: (508) 678-9000 / Fax: (508) 678-9447 E-mail: techsupport@amdry.com 041001GS/rar ADC Part No. 113324...
  • Page 2 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.

  • Page 3: For Your Safety

    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 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 (Steam Only) ......................6 B. Component Identification ......................8 SECTION III INSTALLATION PROCEDURES ..............10 A.
  • Page 6 SECTION VII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS ....................40...

  • Page 7: Important Information

    ADC assumes no responsibility for freight claims or damages. 6. If you need assistance in handling the situation, please contact the ADC Traffic Manager at (508) 678-9000. IMPORTANT: The dryer must be transported and handled in an upright position at ALL times.

  • Page 8: Safety Precautions

    2. Installation and service must be performed by a qualified installer or service agency. 3. Dryer(s) must be exhausted to the outdoors. 4. Although ADC produces a very versatile dryer, there are some articles that, due to fabric composition or cleaning method, should not be dried in it.
  • Page 9 7. UNDER NO CIRCUMSTANCES should the dryer door switches, lint door switch, heat safety circuit ever be disabled. WARNING: PERSONAL INJURY OR FIRE COULD RESULT. 8. This dryer is not to be used in the presence of dry cleaning solvents or fumes. 9.

  • Page 10: Specifications/Component Identification

    Shaded areas are stated in metric equivalents IMPORTANT: Dryers must be provided with a clean, dry, and regulated 80 PSI +/-10 PSI (5.51 bars +/- 0.69 bars) air supply. NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.
  • Page 11 SPECIFICATIONS ADH-120 NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.

  • Page 12: Component Identification

    C. 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 Chamber Access Panel Lint Screen Wire Diagram (located behind control door) Filter Housing Assembly Steam Damper Assembly Lint Door Differential Pressure Gauge and High Temp Alarm Panel...
  • Page 13 2. Dryer Rear View Illus. No. Description Basket (drive) Motor Assembly Impellor (fan/blower) Assembly Idler Bearing Mount Assembly Basket (tumbler) Bearing Mount Assembly Electric Service Relay Box Filter Housing Steam Coil Filter Access Panel Electric service connections are made in this box for steam only.

  • Page 14: Installation Procedures

    SECTION III 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 and 2 CSA C22.1-1990 or LATEST EDITION...

  • Page 15: Unpacking/Setting Up

    B. UNPACKING/SETTING UP Remove protective shipping material (i.e., plastic wrap and/or optional shipping box) from dryer. IMPORTANT: Dryer must be transported and handled in an upright position at ALL times. The dryer can be moved to its final location while still attached to the skid or with the skid removed. To unskid the dryer, locate, and remove the four (4) lag bolts securing the base of the dryer to the wooden skid.
  • Page 16 1. Leveling Dryer a. To level dryer, place 4-inch (10.16 cm) square metal shims (refer to the illustration on the previous page) or other suitable material under the base pads. It is suggested that the dryer be tilted slightly to the rear.

  • Page 17: Dryer Enclosure Requirements

    C. DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made from noncombustible materials. 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 dryer front. The bulkhead facing must be made of a noncombustible material in ALL the way to the top of the dryer.

  • Page 18: Fresh Air Supply Requirements

    D. FRESH AIR SUPPLY REQUIREMENTS When the dryer is operating, it draws in room air, heats 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.

  • Page 19: Exhaust Requirements

    E. EXHAUST REQUIREMENTS 1. General Exhaust Ductwork Information Exhaust ductwork should be designed and installed by a qualified professional. Improperly sized ductwork will create excessive back pressure which results in slow drying, increased use of energy, overheating of the dryer, and shutdown of the burner by the airflow (sail) switches, burner hi-limits, or basket (tumbler) hi-limit thermostats.
  • Page 20 a. Outside Ductwork Protection 1) To protect the outside end of horizontal ductwork from the weather, a 90° elbow bent downward should be installed where the exhaust exits the building. If the exhaust ductwork travels vertically up through the roof, it should be protected from the weather by using a 180° turn to point the opening downward.
  • Page 21 IMPORTANT: For extended ductwork runs, the cross section area of the duct can only be increased to an extent. Maximum proportional ductwork runs cannot exceed 20 feet (6.1 meters) more than the original limitations of 40 feet (12.2 meters) with three (3) elbows.
  • Page 22 (122.87 cm) apart. The main duct should be tapered, with the diameter increasing before each individual dryer duct is added. IMPORTANT: The ADH-120 II is not provided with a back draft damper. When exhausted into a multiple (common) exhaust line, a back draft damper must be installed at each dryer duct.
  • Page 23 ADH-120 1950 cfm (55.2 cmm)

  • 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 with local and state regulations or codes. In the absence of such codes, ALL electrical connections, material, and workmanship must conform to the applicable requirements of the National Electrical Code ANSI/NFPA NO.
  • Page 25 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: ADC reserves the right to make changes in specifications at any time without notice or obligation.
  • Page 26 3. Electrical Connections NOTE: A wiring diagram is included with each dryer and is affixed to the rear upper right guard/panel of the dryer. The only electrical input connections to the dryer are the 3-phase (3ø) power leads (L1, L2, and L3), GROUND, and in the case of 4 wire service, the NEUTRAL.
  • Page 27 4. Grounding A ground (earth) connection must be provided and installed in accordance with state and local codes. In the absence of these codes, grounding must conform to applicable requirements of the National Electrical Code ANSI/NFPA NO. 70-LATEST EDITION, or in Canada, the installation must conform to applicable Canada Standards: Canadian Electrical Codes Parts 1 &...

  • Page 28: Steam Information

    IMPORTANT: Failure to comply with the requirements stipulated in this manual can result in component failure which will VOID THE WARRANTY. NOTE: The ADH-120 is manufactured with a pneumatic (piston) damper system which requires an external supply of clean, dry, regulated air at 80 PSI +/- 10 PSI (5.51 bars +/- 0.69 bars).
  • Page 29 1) A trap with a capacity of 1,200 lbs (544 kg) of condensate per hour at 125 PSI (8.61 bars) is needed for each ADH-120. f. A 3/4-inch (19.05 mm) vacuum breaker should 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.
  • Page 30 4. Steam Damper Air System Connections The ADH-120 is manufactured with a pneumatic (piston) damper system or door interlock which requires an external supply of clean 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.
  • Page 31 Again the dampers must meet. If they DO NOT it may be necessary to readjust again. The misalignment may also be due to loose setscrews. If proper adjustment cannot be obtained, contact the technical support department at ADC for assistance.
  • Page 32 6. Steam Damper System Operation The ADH-120 steam damper, as shown below, 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), allowing a rapid cool down.

  • Page 33: Filter Information

    On the upper most rails is where the pre-filters are installed and on the rails below that, the HEPA filters are installed. The ADH-120 requires two (2) of each pre-filters and HEPA filters. (ALL filters must be supplied by customer.) 1.
  • Page 34 2. Filter Replacement The frequency at which filters have to be replaced is best determined by each location. a. Verify main door is closed (this is to eliminate contamination of clean room). b. Discontinue electrical power to the dryer. c. Remove filter access cover plate. d.

  • Page 35: Preparation For Operation

    I. PREPARATION FOR OPERATION The following items should be checked before attempting to operate the dryer: 1. Read 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 located on the left side of the top console behind the control door as shown on page 8.
  • Page 36 IMPORTANT: Dryer blower motor impellor/fan as viewed from the front must turn in the clockwise (CW) direction, otherwise dryer efficiency will drastically be reduced and premature component failure can result. 5. Heat Circuit Operational Test a. Check to insure that steam damper is functioning properly. 1) The steam damper should not “slam”...

  • Page 37: Operating Instructions

    K. OPERATING INSTRUCTIONS NOTE: Before attempting to start the dryer make sure that the main door and lint door is closed. 1. To Start The Dryer. a. Microprocessor controller (computer) dryers 1) Display will read “FILL” (meaning no cycle in progress). 2) Press the letter on the keyboard (touch pad) corresponding to the cycle desired (i.e., “E”)...

  • Page 38: Service/Parts Information

    1. Replacement parts should be purchased from the reseller from whom the ADC 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 may FAX in your order at (508) 678-9447.

  • Page 39: 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 40 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.

  • Page 41: Routine Maintenance

    Maximum operating efficiency is dependent upon proper air circulation. The accumulation of lint can restrict this airflow. If the guidelines in this section are met, an ADC dryer will provide many years of efficient, trouble free, and most importantly, safe operation.
  • Page 42 Clean the steam coil fins. We suggest using compressed air and a vacuum cleaner with brush attachment. WARNING: When cleaning steam coil fins, be careful not to bend the fins. If fins are bent, straighten by using a fin comb which is available from local air conditioning supply houses. 90 DAYS Remove lint from around basket (tumbler), drive motors, and surrounding areas.

  • Page 43: Adjustments

    B. ADJUSTMENTS 7 DAYS AFTER INSTALLATION AND EVERY 6 MONTHS THEREAFTER Inspect bolts, nuts, screws, (bearing setscrews), and steam connections (unions, shutoff valves, steam trap connections etc.). Motor and drive belts should be examined. Cracked or seriously frayed belts should be replaced.

  • Page 44: Section Vii

    SECTION VII 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 45 e. Open main door. The dryer must stop and ALL output indicator lights on the back side of the microprocessor (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 46 ADC 113324 1 - 04/16/01-15...

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