American Dryer Corp. ML-96HS manual

ADC Part No. 113053 For replacement parts, contact the distributor 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 120298JEV/cj WARNING: For your safety the information in this manual must be followed to minimize t[...]

Retain This Manual In A Safe Place For Future Reference Replacement parts can be obtained from your distributor or the ADC factory. When ordering replacement parts from the factory, you can FAX your order to ADC at (508) 678-9447 or telephone your orders directly to the ADC Parts Department at (508) 678-9000. Please specify the dryer model number a[...]

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, ADJUST- ING, INSTALLATION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) STANDARDS. CHILDREN SHOULD NOT BE ALLOWED TO PLAY [...]

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. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation and operator's manual included with the dryer. Dryers must not be installed or stored [...]

Table of Contents SECTION I IMPORTANT INFORMATION ........................................................................................................ 2 A. RECEIVING and HANDLING .................................................................................................. 2 B. SAFETY PRECAUTIONS ............................................[...]

2 SECTION I 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 packaging, and wooden skid should be visually inspected for shipping damage. If any damage what[...]

3 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. PERSONAL INJURY or FIRE COULD RES[...]

4 7. A program should be established for the inspection and cleaning of lint in the heating unit area, exhaust duct work, and inside 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 duct work can create a potential fire hazard[...]

5 SECTION II SPECIFICATIONS/COMPONENT IDENTIFICATION A. SPECIFICATIONS IMPORTANT: Dryer must be supplied with clean, dry and regulated air pressure at 80 psi ± 10 psi (5.5 bar +/- 69 bar). NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. GAS MAXIMUM CAPACITY ( D R Y W E I GH T ) 95 lbs. 43.[...]

6 NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation.[...]

7 B. COMPONENT IDENTIFICATION 1. Dryer Front View Illus. No. Description 1 Microprocessor Control/Keyboard Panel Assembly (controls) 2 Control (Top Access) Door Assembly 3 Main Door Assembly 4 Lint Panel Assembly 5 Lint Door 6 Wire Diagram (located behind Control Door) 7 Top Console (Module) Assembly[...]

8 Illus. No. Description 1 Electrical Service Connections 2 Top Console 3 Heating Unit 4 Relay/Wiring Box 5 Data Label and Installation Label 6 Air Connection 7 Exhaust Transition Piece 8 Optional Exhaust Damper Assembly - if damper option was purchased at time dryer order was placed, the damper must be installed at the time of dryer installation. [...]

9 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: National Fuel Gas Code ANSI.Z223.1-LATEST EDITION or National Electric Code ANSI/NFPA NO. 70-LATEST EDITION,[...]

10 B. UNPACKING/SETTING UP Remove protective shipping material (i.e., plastic wrap, and 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 un-skid the dryer, locate and rem[...]

11 1. Leveling Dryer To level dryer, place 4-inch square metal shims (refer to the illustration on page 10 ) or other suitable material under the base pads. It is suggested that the dryer be tilted slightly to the rear. If more headroom is needed when moving dryer into position, the top console (module) may be removed. a. To remove top console (mod[...]

12 C. DRYER ENCLOSURE REQUIREMENTS Even though a 30-inch clearance is acceptable, it is recommended that the rear of the dryer be positioned approximately two (3) feet (36-inches) from nearest obstruction (i.e. wall) for ease of installation, maintenance and service. Bulkheads and partitions should be made from noncombustible materials. The clearan[...]

13 D. FRESH AIR SUPPLY 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. Ignition pro[...]

14 E. EXHAUST REQUIREMENTS 1. General Exhaust Duct Work Information Exhaust duct work should be designed and installed by a qualified professional. Improperly sized duct work 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,[...]

15 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 suggested that the use of 90° turns in the ducting be avoided; use 30° or 45° angle[...]

16 IMPORTANT : For extended duct work runs, the cross section area of the duct work can only be increased to an extent. Maximum proportional duct work runs cannot exceed twenty (20) feet more than the original limitations of twenty (20) feet with one (1) elbow for horizontal runs and three (3) elbows for vertical runs. When the duct work approaches[...]

17 IMPORTANT : For extended duct work runs, the cross section area of the duct work can only be increased to an extent. Maximum proportional duct work runs cannot exceed fifteen (15) feet with two (2) elbows. When the duct work approaches the maximum limits as noted in this manual, a professional HVAC firm should be consulted for proper venting. HV[...]

18 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, [...]

19 2. Electrical Service Specifications IMPORTANT : The dryer must be connected to the electric supply shown on the data label that is affixed to the back side of the upper or top control 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 siz[...]

20 3. 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 Electric Code ANSI/NFPA NO. 70-LATEST EDITION, or in CANADA, the Canadian Electrical Codes Parts 1 & 2 CSA C22.1-1990 or LATEST EDIT[...]

21 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 with local and state regulations or codes. In the absence of such codes, ALL plumbing connections, materials, and workmanship must conform to the applicable requireme[...]

22 2. Technical Gas Data a. Gas Specifications b. Gas Connections Inlet connection ------------ 1" inch N.P.T. Inlet supply size ------------ 1" inch N.P.T. (minimum) Btu/hr input (per dryer) --- 310,000 1) Natural Gas Regulation is controlled by the dryer's gas valve's internal regulator. Incoming supply pressure must be consis[...]

23 3. Piping and Connections ALL components and materials must conform to National Gas Code specifications, or in CANADA, the Canadian Installation Codes (for General Installation and Gas Plumbing). It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of ALL the applian[...]

24 Consistent gas pressure is essential at ALL gas connections. It is recommended that a 1-inch pipe gas loop be installed in the supply line serving a bank of dryers. An in-line pressure regulator must be installed in the gas supply line (header) if the (natural) gas pressure exceeds 12.0 inches of water column (W.C.) pressure. NOTE : A water colu[...]

25 7. Check ALL service doors to insure that they are closed and secure. 8. Be sure the lint drawer is securely in place. IMPORTANT: LINT DRAWER MUST BE CLOSED TO ACTIVATE SAFETY SWITCH OTHERWISE THE DRYER WILL NOT START. 9. Rotate the basket (tumbler or drum) by hand to be sure it moves freely. 10. Check bolts, nuts, screws, terminals and fittings[...]

26 NOTE : Water column (W.C.) pressure requirements (measured at the gas valve pressure tap); Natural Gas ......................... 3.5 inches Water Column L.P. (Liquid Propane) Gas .... 10.5 inches Water Column IMPORTANT : There is no regulator provided in a L.P. dryer. The water column (W.C.) pressure must be regulated at the source (L.P. tank) o[...]

27 K. 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 supply: a. SHUT OFF external gas supply shut-off valve. b. SHUT OFF internal gas supply s[...]

28 SECTION IV SERVICE and 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 distributor from whom the ADC equipment was purchased. If the distributor cannot be contacted or is unknown, contact the ADC Service Department for a distributor [...]

29 SECTION V WARRANTY INFORMATION A. RETURNING WARRANTY CARD(S) 1. Before any dryer leaves the ADC factory test area, a warranty card ( ADC Part No. 112254) 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 se[...]

30 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. Specify whether the parts being returned is for a replacement, a credit, or a refund. NOTE : If a part is marked for[...]

31 SECTION VI 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 duct work system. The frequency of cleaning can best be determined from experience at each location. Maximum operating efficiency is dependent upo[...]

32 2. Remove lint from gas valve burner area with a dusting brush or vacuum cleaner attachment. 3. Clean any lint accumulation in and around both the blower and drive motor casing openings. NOTE : To prevent damage, avoid cleaning or touching ignitor and flame-probe assembly. EVERY 6 MONTHS Inspect and remove lint accumulation in customer furnished[...]

33 SECTION VII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS Hot Surface Ignition (HSI) System 1. Upon completing installation of the replacement Hot Surface Ignition (HSI) module, reestablish power to the dryer. 6. Stop the drying cycle, with the flame sensor wire still removed, restart the drying cycle. 7. The hot surface ignitor will [...]

ADC 113053 1 - 12/02/98-15 2 - 01/08/99-20 3 - 03/25/99-30 4 * 05/26/99-35 5 - 07/26/99-25 6 - 08/25/99-50 7 - 01/18/00-50 8 * 04/11/00-50 9 - 09/29/00-50 10 - 01/29/01-50[...]