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ADC ES50/50 Service Manual

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ES50/50 / ES50/50TE
Service Manual
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781 USA
Telephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447
E-mail: techsupport@amdry.com / parts@amdry.com
www.amdry.com
ADC Part No. 450353 - 1

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  • Page 1 ES50/50 / ES50/50TE Service Manual American Dryer Corporation 88 Currant Road Fall River MA 02720-4781 USA Telephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447 E-mail: techsupport@amdry.com / parts@amdry.com www.amdry.com ADC Part No. 450353 - 1...
  • Page 2 Replacement parts can be obtained from your reseller or the ADC factory. When ordering replacement parts from the factory, you can FAX your order to ADC at +1 (508) 678-9447 or telephone your order directly to the ADC Parts Department at +1 (508) 678-9000 or contact parts@amdry.com. Please specify the dryer model number and serial number in addition to the description and part number, so that your order is processed accurately and promptly.

  • Page 3: Table Of Contents

    Table of Contents _______________ IMPORTANT Important Information ......... 4 You must disconnect and lockout the electric supply and the gas supply or the steam supply A. Safety Precautions ............. 4 before any covers or guards are removed from Routine Maintenance ........6 the machine to allow access for cleaning, A.

  • Page 4: Important Information

    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 or cleaning method, should not be dried in it.
  • Page 5 NOTE: Failure to do so will void the warranty. 9. Under no circumstances should the dryer door switches, lint door switch, heat safety circuit ever be disabled. WARNING: PERSONAL INJURY OR FIRE COULD RESULT. 10. This dryer is not to be used in the presence of dry cleaning solvents or fumes. 11.

  • Page 6: 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 7: Adjustments

    6 MONTHS Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer’s internal exhaust ducting. NOTE: THE ACCUMULATION OF LINT IN THE EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD. DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION AIR. CHECK CUSTOMER FURNISHED BACK DRAFT DAMPERS IN THE EXHAUST DUCTWORK.

  • Page 8: Installation Requirements

    SECTION III INSTALLATION REQUIREMENTS 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 (L.P.

  • Page 9: Operational Service Check Procedure

    Natural Gas ________________ 3.0 Inches (6.9 mb) Water Column. L.P. Gas ___________________ 10.5 Inches (26.1 mb) Water Column. 6. If computer program changes are required, refer to the Phase 8 Non-Coin Operator’s Manual (ADC P/N 113604) for details. 7. The dryer should be operated through one complete cycle to assure that no further adjustments are necessary and that all components are functioning properly.

  • Page 10: Description Of Parts

    SECTION IV DESCRIPTION OF PARTS A. CONTROL PANEL (MICROPROCESSOR) Lifting the control door will reveal the control panel assembly. Opening the control panel will allow access to the major components which include the computer board and keypad. The keypad inputs to the computer what temperature and program has been selected.

  • Page 11: Drive Motor

    1/3 HP motor and operates on 115 to 230 volts, 50/60 Hz. E. IMPELLOR (BLOWER MOTOR) For ES50/50 (rear exhaust models) (Viewing from the rear of the dryer.) The blower motor is a motorized impellor, which has a backward curved fan and sits in a sealed box behind the lint screen.

  • Page 12: Main Door Switch

    G. MAIN DOOR SWITCH The main door switch is located in the panel directly above the door. When the main door opens, the switch will also open, preventing the dryer from operating. The main door switch is a safety device and should never be disabled. H.

  • Page 13: Exhaust Hi-Limit Thermostat

    J. EXHAUST HI-LIMIT THERMOSTAT This is a 190° automatic thermostat located in the lint compartment above the lint drawer. This thermostat senses the heated air after it has passed through the tumbler. If the air temperature gets too hot, the thermostat will shut off the burner.

  • Page 14: Servicing

    SECTION V SERVICING INTRODUCTION All electrical/mechanical service or repairs should be made with the electrical power to the dryer disconnected (power off). WARNING: PERSONAL INJURY COULD RESULT. The information provided in this section should not be misconstrued as a device for use by an untrained person making repairs.
  • Page 15 To Replace Keypad Label Assembly 1. Discontinue electrical power to the dryer. 2. Repeat step 1-5 for computer board removal. 3. Slowly peel off and remove keypad label assembly from control panel. 4. Peel paper backing off new keypad label assembly. 5.

  • Page 16: Glo-Bar Controls

    B. GLO-BAR CONTROLS PRESSURE Removing Burner Tube Assembly 1. Disconnect the electrical power. 2. Follow procedure for “Removing Control Door and UNION ELBOW Lint Door/Toe Panel.” 1/4-20 NUT 3. Close shutoff valve in the burners gas supply line. 4. Remove coin chute if dryer is so equipped. (Skip this step when converting bottom pocket.) UNION ELBOW 5.
  • Page 17 A manometer is simply a glass or transparent plastic tube with a scale in inches. When filled with water and pressure applied, the water in the tube rises showing the exact water column pressure. NOTE: Manometers are available from the factory by ordering ADC P/N 122804. 1. To test gas water column pressure: a.
  • Page 18 Repeat these steps for the other burner. Affix L.P. Conversion Label (ADC P/N 114515) to the dryer’s data label. Complete L.P. Kit Conversion Confirmation Label (ADC P/N 114083) and affix this label as close as possible to the dryer’s existing dryer rating (data) label/plate.

  • Page 19: Thermostats

    C. THERMOSTATS To Replace Burner Hi-Limit Thermostat This thermostat is an important safety device serving as an added protection against failure of the airflow (sail switch) to open in the event of motor failure or reduced airflow condition. IMPORTANT: Under no circumstances should heat circuit safety devices ever be disabled. 1.

  • Page 20: Front Panel And Main Door Assemblies

    4. Remove glass and clean all old sealant off main door. This area must be completely cleaned for correct bonding. 5. Apply a narrow bead of silicone (ADC P/N 170730) all around main door area where glass will rest. 6. Install glass onto door adhesive and slightly press glass in place.
  • Page 21 To Replace Front Panel 1. Discontinue electrical power to the dryer. 2. Follow procedure for removal of “control door and lint door/toe panel.” 3. Remove main door assembly. 4. Open control (service) door and follow procedure for removal of computer panel if replacing bottom panel. ®...
  • Page 22 To Replace Drive Belt 1. Follow procedure to remove computer panel and lower toe panel. 2. Loosen tension of belt so that it can be easily rolled off the motor pulley. 3. Follow procedure “To Replace Front Panel” to allow removal and installation of new belt. 4.
  • Page 23 Removing Blower Motor For ES50/50 (rear exhaust) 1. Discontinue electrical power to the dryer. 2. Remove back guard. 3. Disconnect the harness from motor and capacitor. 4. To remove blower motor unscrew the top cover of the blower housing. 5. The blower motor can now be unbolted from the cover of the blower housing.

  • Page 24: To Replace Lint Drawer Switch

    F. TO REPLACE LINT DRAWER SWITCH 1. Discontinue electrical power to the dryer. 2. Remove the two nuts holding the lint switch bracket in place. 3. Remove lint switch cover and disconnect the two terminals of the switch. 4. Remove switch by pressing tabs together and push switch out. 5.
  • Page 25 EVENT I.D. FAILURE DESCRIPTION Top Radiant Sensor fault count Top Burner Ignitor fault count Top Exhaust High Limit Bottom Radiant sensor fault count Bottom Burner ignitor fault count Bot Exhaust High Limit Coin 1 Bad Coin count Coin 2 Bad Coin Count Upper pocket forward rotation sensor fault count Upper pocket reverse rotation sensor fault count Lower pocket forward rotation sensor fault count...
  • Page 26 3: HELP MENU The help menu allows the user to view the status of different parts of the dryer. When a feature is highlighted, the center section will list that feature and its current status. The items in the help menu will refer to the current running cycle that was selected in Diagnostic Mode.
  • Page 27 If the help menu feature “CODE” is selected, the center section will present “Help Codes” and “Events”. All of the items in the code menu will automatically scroll up and continue to scroll until LOW/DOWN ARROW key is pressed to select a new help menu feature. All CODES starting with an “H”...

  • Page 28: Faults

    FAULTS EXHAUST PROBE An exhaust probe fault occurs when the control detects that the exhaust temperature transducer is reading a temperature that is out of the probe’s normal operating temperature range for more than 3-seconds. There is an automatic fault clearing feature for this fault. If the fault condition no longer exists, the control will clear the fault condition and return to READY Mode.

  • Page 29: Events

    EVENTS RADIANT SENSOR FAULT COUNT A radiant sensor fault count will occur when a gas model dryer attempts to turn on the burner system and never receives a 120V return signal within a predefined time. BURNER IGNITER FAULT COUNT A burner ignition fault count will occur when a gas model dryer attempts to turn on the burner system and receives a 120V on the burner return signal but it does not transition to a 0V return signal within a predefined time.

  • Page 30: Technical Information

    A. DATA LABEL When contacting ADC, certain information is required to ensure proper service/parts information. This information is on the data label, located on the top left hand corner of the dryer, viewed from the rear (refer to the illustration above).

  • Page 31: Using A Manometer

    B. USING A MANOMETER How To Use A Manometer 1. With dryer in nonoperating mode, remove plug on the gas valve pressure tap. 2. Attach plastic tubing to pressure tap. Fitting is supplied with manometer (refer to the illustration). 3. Attach manometer to the dryer using magnet. NOTE: Place manometer in a position so that readings can be taken at eye level.
  • Page 32 ADC Part No. 450353 1 - 01/25/12...

This manual is also suitable for:

Es50/50te

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