American Dryer Corp. ML-55II manual

American Dr yer Corpor ation 88 Currant Road Fall River MA 02720-4781 T elephone: (508) 678-9000 / Fax: (508) 678-9447 e-mail: techsupport@amdry .com www .amdry .com ML-55II Installa tion Manual Phase 7, Non-Coin ADC Part No. 1 13345 War ning: For your safety the information in this manual must be followed to minimize the risk of fire or explosion [...]

ML-55 Phase 7 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. The illustrations included in this manual may nor depict your particul[...]

T ab le o f Contents __________ Safety Precautions ....................................... 2 Specifications/Component Identification ..... 3 S pecifications ...................................................................... 3 Component Identification .................................................... 4 Installation Procedures ................[...]

2 American Dryer Corp. 113345-9 S AFETY P RECA UTIONS __________ 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. The dryer must never be operated with any of the back guards, outer tops, or service panels removed. Pers[...]

113345-9 www.amdry.com 3 MAXIMUM CAPACITY (DRY WEIGHT) 55 lb 25 kg TUMBLER DIAMETER 37” 94 cm TUMBLER DEPTH 30” 76.2 cm TUMBLER VOLUME 18.67 cu ft 0.528 cu m TUMBLER/DRIVE MOTOR 3/4 hp 0.56 kW DOOR OPENING (DIAMETER) 31-3/8” 79.7 cm WATER CONNECTION 3/4-11.5 NH DRYERS PER 20’/40’ CONTAINER 10 / 20 DRYERS PER 48’/53’ TRUCK 26 / 28 VOLT[...]

4 American Dryer Corp. 113345-9 Component Identification _____________ Dryer Front View 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 Dryer Rear View Illus. No. Description 1 Heating Unit 2 1/8” Compressed Ai[...]

113345-9 www.amdry.com 5 ! ! ! ! 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 ski[...]

6 American Dryer Corp. 113345-9 ! ! ! ! ! Note Component failure due to dry cleaning solvent fumes will void the warranty. Exhaust Requirements _________________ General Exhaust Ductwork Information Exhaust ductwork should be designed and installed by a qualified professional. Improperly sized ductwork will create excessive back pressure which resu[...]

113345-9 www.amdry.com 7 ! ! ! ! Important Do not use screens, louvers, or caps on the outside opening of the exhaust ductwork. Single Dryer Venting When 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 wit[...]

8 American Dryer Corp. 113345-9 ! ! ! ! ! ! Important For extended ductwork runs, the cross section area of the ductwork can only be increased to an extent. When the ductwork approaches the maximum limits noted in this manual, a professional heating, ventilating, and air-conditioning (HVAC) firm should be consulted for proper venting information. A[...]

113345-9 www.amdry.com 9 For added personal safety, when possible, it is suggested that a separate ground wire (no. 18 minimum) be connected from the ground connection of the dryer to a grounded cold water pipe. Do not ground to a gas pipe or hot water pipe. The grounded cold water pipe must have metal-to-metal connection all the way to the electri[...]

10 American Dryer Corp. 113345-9 Single-Phase Electrical Lead Connections Black + Positive White or Red + Neutral or L2 Green + Ground ! For 110V Applications For 208-230/240V Applications A ground lug is provided in the rear electrical box to connect your service ground. 3-Phase (3ø) Wiring Connections/Hookup The electrical connections on all 3-p[...]

113345-9 www.amdry.com 11 ! Type of Gas Manifold Pressure* In-Line Pressure Natural 3.5 inches W.C. 6.0-12.0 inches W.C. 8.7 mb 14.92 - 29.9 mb Liquid Propane 10.5 inches W.C. 11.0 inches W.C. 26.1 mb 27.4 mb ! ! ! ! ! ! The electrical input connections are made at the electric oven contactor located inside the assembly at the rear center upper sec[...]

12 American Dryer Corp. 113345-9 TYPE OF GAS Btu/hr Rating kcal/hr Rating Natural Liquid Propane Qty. D.M.S.* Part No. Qty. D.M.S.* Part No. 160,000 40,320 3 #29 140820 3 #48 140804 Liquid Propane Conversion Kit Part Number 881598 Shaded area is stated in metric equivalent * Drill Measurement Size (D.M.S.) equivalents are as follows: Natural Gas ..[...]

113345-9 www.amdry.com 13 Operating Steam Pressure Maximum 125 psig* 861.84 kPa Heat Input (Normal Load) 4.2 Bhp Consumption (Approximate) 144.7 lbs/hr 65.7 kg/hr Shaded areas are stated in metric equivalents *The minimum operating pressure is 100 psig (689.47 kPa) for optimum results. Installation Instructions To ensure an adequate supply of steam[...]

14 American Dryer Corp. 113345-9 Steam Damper Air Piston (Flow Control) Operation Adjustment Although the steam damper operation was tested and adjusted prior to shipping at 80 psi (5.52 bar), steam damper operation must be checked before the dryer is put into operation. Refer to the previous page for instructions to check steam damper operation. I[...]

113345-9 www.amdry.com 15 ! ! ! ! Preparation For Operation/Start-Up ___ The following items should be checked before attempting to operate the dryer: • Read all “ CAUTION,” “WARNING ,” and “ DIRECTION ” labels attached to the dryer. • Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label.[...]

16 American Dryer Corp. 113345-9 ! ! ! ! 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 it is, the phasing [...]

113345-9 www.amdry.com 17 W ARRANTY I NFORMA TION _______ Returning Warranty Card _____________ 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 bet[...]

18 American Dryer Corp. 113345-9 R OUTINE M AINTENANCE ________ Cleaning ______________________________ A program and/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[...]

113345-9 www.amdry.com 19 P ROCEDURE FOR F UNCTIONAL C HECK OF R EPLACEMENT C OMPONENTS _________________ Microprocessor Controller (Computer) Board _________________________________ Upon completing installation of the replacement microprocessor controller (computer) board, reestablish power to the dryer. Start the drying cycle by pressing any of t[...]

20 American Dryer Corp. 113345-9 M ANU AL R ESET B URNER H I -L IMIT I NSTRUCTIONS ________________ Phase 7 ________________________________ This dryer was manufactured with a manual reset burner Hi-Limit thermostat, which is monitored by the Phase 7 computer. If the burner Hi-Limit is open prior to the start of the drying cycle, the dryer will sta[...]

113345-9 www.amdry.com 21 Installation _____________________________ Requirements The F.S.S. 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[...]

22 American Dryer Corp. 113345-9 Typical Water Supply Optional Manual Bypass Provisions are made in the dryer’s F.S.S. for the installation of an optional manual bypass. Depending on the model dryer, the connections for the manual bypass are made at the “T” or “four way” fitting located in the outlet supply side of the water solenoid valv[...]

113345-9 www.amdry.com 23 System Reset _________________________ After the microprocessor determines that the situation is under control and shuts the water being injected into the basket (tumbler) off, the microprocessor display will read “ F .S.S. WAS ACTIV A TED ”, and the horn/tone will sound until reset manually. To reset the microprocesso[...]

ADC 113345 9 - 12/01/04-6[...]