ADC ML-96 - Manuals - manualsarea.com

Page 2 - Retain This Manual In A Safe Place For Future Reference; IMPORTANT NOTE TO PURCHASER; Important

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)...

Page 4 - Dryers; WARNING

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 d...

Page 5 - Table of Contents; SECTION I

Table of Contents SECTION I IMPORTANT INFORMATION ............................................................................... 3 A. Safety Precautions ..................................................................................................................... 3 SECTION II ROUTINE MAINTEN...

Page 7 - IMPORTANT INFORMATION; A. SAFETY PRECAUTIONS; For your safety, the information in this manual; operated with any of the back guards, outer tops, or; EXPLOSION COULD RESULT.; EXPLOSION COULD RESULT.

3 SECTION I IMPORTANT INFORMATION A. 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 ...

Page 8 - Failure to do so will VOID THE WARRANTY.; (Occupational Safety and Health Administration)

4 WARNING: DO NOT dry mop heads. Contamination by wax or flammable solvents will create a fire hazard. WARNING: DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or similarly textured rubber materials. Drying in a heated tumbler (basket) may damage plastics or rubber and...

Page 9 - SECTION II; ROUTINE MAINTENANCE; WARNING: LINT FROM MOST FABRICS IS HIGHLY COMBUSTIBLE. THE; Frequency can best be determined at each location.

5 SECTION II ROUTINE MAINTENANCE A. CLEANING A program and 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 locat...

Page 10 - WARNING: THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN

6 EVERY 6 MONTHS Inspect and remove lint accumulation in customer furnished exhaust duct work system and from dryers internal exhaust ducting. WARNING: THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD . WARNING: DO NOT OBSTRUCT THE FLOW OF COMBUSTION and VENTILAT...

Page 11 - SECTION III; INSTALLATION REQUIREMENTS; must be; CAUTION: IMPROPERLY SIZED or INSTALLED EXHAUST DUCT WORK CAN; B. ELECTRICAL and GAS REQUIREMENTS

7 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: National Fuel Gas Code ANSI.Z223.1-LATEST EDITION or Nat...

Page 12 - C. OPERATIONAL SERVICE CHECK PROCEDURE

8 IMPORTANT: Failure to comply with these codes or ordinances and the requirements stipulated in this manual can result in personal injury or component failure. The dryer installation must meet the American National Standard, National Fuel Gas Code ANSI Z223.1- LATEST EDITION, or in Canada, the Cana...

Page 14 - SECTION IV; DESCRIPTION OF PARTS; B. REVERSING RELAY PANEL

10 SECTION IV DESCRIPTION OF PARTS A. COMPUTER 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 (touchpad). The keypad (touchpad) inputs to the compu...

Page 15 - D. GAS BURNER ASSEMBLY

11 C. HSI (HOT SURFACE IGNITION) MODULE (Gas Models Only) The HSI (Hot Surface Ignition) system consists of a microprocessor based control module, along with a hot surface ignitor probe and a flame probe assembly. The hot surface ignitor is a silicon carbide ignitor that upon application of 24 VAC w...

Page 18 - L. MANUAL RESET THERMOSTAT; N. LINT DRAWER SWITCH

14 L. MANUAL RESET THERMOSTAT This is located inside the dryer in the lint compartment above the lint screen. This thermostat senses the heated air after it passes through the tumbler (basket). If the air temperature gets too hot, the thermostat will shut off the burner. The dryer will not run until...

Page 19 - SECTION V; SERVICING; INTRODUCTION; Observe; and while making repairs.; A. COMPUTER CONTROLS

15 SECTION V SERVICING INTRODUCTION ALL electrical and 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 un...

Page 20 - CHECK TEMP SENSOR FUSE, check for a loose connection in the wiring.

16 4. Remove the two (2) screws securing the computer to the computer panel. Remove the computer by pulling the other two (2) corners off the clinch studs. 5. Install new computer by reversing this procedure. Keyboard (Touchpad) Label Assembly Replacement 1. Discontinue electrical power to the dryer...

Page 22 - Gas Valve Replacement (Refer to burner illustration on; Identify location of each wire for correct reinstallation.; Main Burner Orifices Replacement; Test

18 NOTE: DO NOT WRAP THE HOT SURFACE IGNITOR WIRES AND THE FLAME ELECTRODE WIRE TOGETHER. IMPROPER OPERATION MAY RESULT. THEY MAY RUN ALONGSIDE EACH OTHER. 5. Reestablish procedure for installation of new ignitor. Gas Valve Replacement (Refer to burner illustration on page 11 ) 1. Discontinue electr...

Page 23 - To Test and Adjust Gas (Water Column) Pressure; Manometers are available from the factory by ordering; cannot; be achieved, problems may be due to an undersized gas supply

19 To Test and Adjust Gas (Water Column) Pressure There are two (2) types of devices commonly used to measure column pressure. They are spring and mechanical- type gauges and manometers. The spring and mechanical-type gauge is not recommended, because it is easily damaged and not always accurate. A ...

Page 24 - Burner Tubes Replacement; HSI (Hot Surface Ignition) Module Replacement

20 3. Reverse the procedure for reinstalling valve assembly to the dryer. WARNING: Test ALL connections for leaks by brushing on a soapy water solution. WARNING: NEVER TEST FOR LEAKS WITH A FLAME!!! NOTE: There is no regulator provided in an L.P. dryer. The column pressure must be regulated at the s...

Page 25 - CIRCUMSTANCES; should

21 C. MANUAL RESET BURNER HI-LIMIT (330º F [166º C]) THERMOSTAT REPLACEMENT (Gas Models Only) 1. This thermostat is an important safety device as an added protection against failure of the airflow (sail switch) to open in the event of motor failure or reduced airflow conditions. IMPORTANT: UNDER NO ...

Page 26 - Sail Switch Replacement; E. FRONT PANEL and MAIN DOOR ASSEMBLIES

22 D. SAIL SWITCH ASSEMBLY (Gas Models Only) The sail switch is a heat circuit safety device which controls the burner circuit only. When the dryer is operating and there is proper airflow, the sail switch damper pulls in and closes the sail switch. Providing ALL the other heat-related circuits are ...

Page 27 - IMPORTANT: UNDER NO CIRCUMSTANCES; should the door switch be disabled.; Main Door Assembly Replacement; DO

23 IMPORTANT: UNDER NO CIRCUMSTANCES should the door switch be disabled. Main Door Assembly Replacement 1. Open main door. 2. Holding the door upward remove the two (2) screws from the top hinge block. 3. Lift the door up to remove. 4. Reverse this procedure for reinstalling new main door assembly. ...

Page 28 - Front Panel Replacement; corner; Main Door Hinge Block Replacement

24 Front Panel Replacement 1. Discontinue electrical power to the dryer. 2. Remove bottom lint drawer assembly. 3. Remove the screws securing the front panel to the dryer. 4. Disconnect the two (2) door switch wires located behind the front panel. 5. Remove the front panel. IMPORTANT: When pulling t...

Page 29 - F. DRIVE SHAFT PULLEY REPLACEMENT; Drive Motor Pulley Replacement; G. TUMBLER WHEEL REPLACEMENT ON

25 F. DRIVE SHAFT PULLEY REPLACEMENT 1. Discontinue electrical power to the dryer. 2. Remove front panel from dryer (Follow front panel replacement directions on page 24 .) 3. Loosen V-belts. Rotate pulley and roll V-belts out of grooves. 4. Remove set screw from the 9 (22.86 cm) pulley. 5. Remove ...

Page 30 - A gear pulley may be required to remove the pulley.; H. TUMBLER WHEEL REPLACEMENT ON IDLER ASSEMBLY

26 5. Loosen V-belts. Rotate pulley and V-belts out of the groove. 6. Block the tumbler (basket) assembly in position. 7. Mark the position of pillow block bearing then remove the bolts from the pillow block bearings. 8. Remove the drive shaft assembly through the front of the machine. 9. Remove the...

Page 32 - K. ROTATIONAL SENSOR ASSEMBLY

28 3. Depress the tabs on the rotational sensor harness plug and pull apart. 4. Remove the retaining ring from the tumbler shaft. 5. Remove the four (4) bolts, lock washers and flat washers securing the flange bearing to the dryer cabinet. 6. Loosen the set screws from the flange bearing. 7. Remove ...

Page 33 - L. IDLER SHAFT PILLOW BLOCK BEARING REPLACEMENT; M. DRIVE SHAFT PILLOW BLOCK BEARING REPLACEMENT; marked position and tighten set screws.

29 L. IDLER SHAFT PILLOW BLOCK BEARING REPLACEMENT 1. Refer to tumbler wheel replacement on idler assembly page 26. 2. Complete Step #1 through Step #11 . 3. Remove both set screws from each pillow block bearing. 4. Remove pillow block bearing from shaft. 5. Reverse this procedure for replacement. N...

Page 34 - A gear puller may be required to remove pulley.

30 8. Retighten motor mount bolts and jam nuts. 9. Assemble front panel lint door assemblies back to dryer. 10. Reestablish electrical power to the dryer. Drive Motor V-Belts Replacement 1. Discontinue electrical power to the dryer. 2. Remove the belt guard cover from the rear of the dryer. 3. Loose...

Page 35 - The motorized impellor assembly; will not be; able to be removed due to the wiring harness still; Q. LINT DOOR SWITCH REPLACEMENT

31 P. MOTORIZED IMPELLOR (BLOWER) REPLACEMENT 1. Discontinue electrical power to the dryer. 2. Remove lint draw. 3. Remove the perforated panel inside the tumbler (basket). 4. Remove the bolts securing the inlet cone. 5. Remove the inlet cone. 6. Remove the bolts securing the motor plate to the drye...

Page 36 - SECTION VI; TROUBLESHOOTING

32 SECTION VI TROUBLESHOOTING IMPORTANT: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS 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 Adminis...

Page 38 - For models with the manual reset hi-limit thermostat refer to

34 F. Thermal overload for drive motor is tripping... 1. Either an exceptionally low or high voltage supply. 2. Motor bearing failure. 3. Motor vents are blocked with lint. 4. Failed motor. 5. Failed overload. 6. Out of balance impellor (fan). 7. Insufficient make-up air. G. Overload for impellor (f...

Page 40 - SECTION VII; PHASE 6 OPL SYSTEM DIAGNOSTICS; THE GAS SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED; For other countries, such as Australia, the retry count

36 SECTION VII PHASE 6 OPL SYSTEM DIAGNOSTICS IMPORTANT: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS 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 an...

Page 41 - Once the Phase 6

37 6. bURNER CONTROL FAIL- This routine monitors the ignition controls gas valve output response. If the valve output signal is not present from the ignition control within the valve time limits the Phase 6 microprocessor controller (computer) determines the ignition control has failed. If this occ...

Page 42 - display the RPM measurement). The rotational sensor

38 11. ROTATE SENSOR FAIL- Indicates a rotational sensor circuit failure meaning that there is a fault somewhere in the tumbler (basket) rotating circuit, or the Phase 6 OPL microprocessor controller (computer) program related to this circuit (program location 2) is set incorrectly. In the active mo...

Page 44 - OPTIONAL

40 1. FAN (BLOWER) Output L.E.D. (light emitting diode) Indicator a. If the dryer is started and the blower motor is not operating, yet the Phase 6 OPL microprocessor controller (computer) display fan indicator dot and power supply input L.E.D. (light emitting diode) are on, but the fan output L.E...

Page 49 - E. COMPUTER LOGIC and WIRING DIAGRAM; When contacting; with electrical questions, please have on hand the correct wiring

45 E. COMPUTER LOGIC and WIRING DIAGRAM 1. Operator enters desired selections. 2. Information entered is sent to the microprocessor via the keyboard (touchpad). 3. The input information is sorted, processed and executed by the microcomputer chip. 4. The microcomputer output signal activates the cont...

Page 51 - No Display Condition; In this next section; voltage checks; Drive motor reverses but; forward, blower motor runs; Drive motor works in forward mode but; reverse, blower motor runs

47 1. No Display Condition a. Check position of EMERGENCY STOP (E-Stop) to verify it is in operating position (pull or twist for operating position). b. Check fuse one or two and if either are blown, replace. c. Take voltage reading across the microprocessor (J7) 9-pin connector pins 1 and 2. If n...

Page 52 - operate, drive motor runs; Lint Door Condition

48 If there is voltage, replace the coil or the complete contactor. If there is no voltage, check for voltage across the two BS3 terminals on the arc suppressor (A.S.) board. If there is voltage across the two BS3 terminals and no voltage across the coil of the reversing contactor (A1 and A2), the p...

Page 53 - Main Door Condition

49 c. If no voltage is present at J7 9-pin connector no. 4 to ground, but voltage is present at no. 3 to ground. The problem is a faulty switch, wires or termination between J7 to J8 and J8 to the lint switch no. 20 and 21. d. If no voltage is present at J7 9-pin connector no. 3 to ground, then volt...

Page 54 - IMPORTANT; MANUAL RESET HI-LIMIT INSTRUCTIONS; FOR PHASE 6 MODELS; Discontinue power to dryer before attempting to reset hi-limit.; I M P O R TA N T; This dryer is equipped with a burner

50 IMPORTANT MANUAL RESET HI-LIMIT INSTRUCTIONS FOR PHASE 6 MODELS This dryer was manufactured with a manual reset burner hi-limit and tumbler/lint chamber hi-limit thermostat which is monitored by the Phase 6 computer. If either manual reset thermostat is open prior to start of the drying cycle, th...

Page 55 - SECTION VIII; TECHNICAL INFORMATION

51 SECTION VIII TECHNICAL INFORMATION The following section contains various technical information important to the service person in servicing and maintaining the dryer. A. MOTOR PLATE (HIGH and LOW VOLTAGE) The motor plate is located on the side of the drive motor (refer to illustration) and conta...

Page 56 - Information on the Data Label

52 B. DATA LABEL Contacting American Dryer Corporation (ADC) When contacting ADC , certain information is required to ensure proper service and parts information. This information is on the data label, located on the top right corner of the dryer, viewed from the rear (refer to illustration). When c...

Page 57 - C. HOW TO USE A MANOMETER

53 C. 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 (see illustration). 3. Attach manometer to dryer using magnet. NOTE: Place manometer in a position so that readings...