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American Dryer Corp. ADS-464 - page 1
ADC Part No. 112103 ADS-464 Installation/Operator's Manual 010496 011899DX/mt 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 an ...
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American Dryer Corp. ADS-464 - page 2
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 ...
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American Dryer Corp. ADS-464 - page 3
IMPORTANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and 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. CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYER ...
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American Dryer Corp. ADS-464 - 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. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation/operator's manual included with the dryer. Dryers must not be installed or stored in an ar ...
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American Dryer Corp. ADS-464 - page 5
Table of Contents SECTION I IMPORTANT INFORMATION ........................................................................................................ 3 A. Receiving and Handling ................................................................................................................ 3 B. Safety Precaution ............................... ...
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American Dryer Corp. ADS-464 - page 6
SECTION VIII SERVICE/PARTS INFORMATION ................................................................................................ 41 A. Service ...................................................................................................................................... 41 B. Parts ..................................................... ...
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American Dryer Corp. ADS-464 - page 7
3 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 ...
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American Dryer Corp. ADS-464 - page 8
4 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 ...
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American Dryer Corp. ADS-464 - page 9
5 7. This dryer is not to be used in the presence of dry cleaning solvents or fumes. 8. Remove articles from the dryer as soon as the dryer cycle has been completed. WARNING : Articles left in the dryer after the drying and cooling cycles have been completed can create a fire hazard. 9. READ and FOLLOW ALL CAUTION and DIRECTION LABELS ATTACHED TO T ...
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American Dryer Corp. ADS-464 - page 10
6 SECTION II SPECIFICATIONS/DIMENSIONS A. SPECIFICATIONS NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. MAXIMUM CAPACITY (D R Y W E I GH T ) 460 lbs. 208.66 kg Total Weight 10,500 lbs. 4,762.7 kg Total Shipping Weight 10,800 lbs. 4,898.8 kg Tilt Height 137-1/4" 348.6 cm Operating Heig ...
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American Dryer Corp. ADS-464 - page 11
7 B. DIMENSIONS NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. ...
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American Dryer Corp. ADS-464 - page 12
8 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 NATIONAL ELECTRIC CODE ANSI/ NFPA NO. 70-LATEST EDITION, or in Canada, the CANADIAN ELECTRICAL CODES PARTS 1 & 2 CSA C22.1-1990 or LA ...
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American Dryer Corp. ADS-464 - page 13
9 2. Reassembly Instructions For Dryers Shipped In Three (3) Pieces When the dryer is shipped in three (3) pieces, the tumbler and the tumbler base sections are shipped as two (2) separate pieces. The heat console section is shipped as the third piece. a. Reassemble The Tumbler (Basket) Base Section To The Heat Console Section Move the heat console ...
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American Dryer Corp. ADS-464 - page 14
10 c. Reassemble The Tumbler (Basket) Section To The Tumbler (Basket) Base Lift the tumbler (basket) section with a cable through the eye bolts on top of the section. Slowly lower the tumbler (basket) section over the tumbler base. The four (4) large slots located on the bottom of the tumbler (basket) section (one slot at each corner of the tumbler ...
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American Dryer Corp. ADS-464 - page 15
11 B. LOCATION REQUIREMENTS The model ADS-464 dryer requires 36-inches of space on each side of the dryer and 36-inches of space behind the unit for ease of maintenance and tilting. The dryer must be leveled for proper operation. If shimming is required, put 9-1/2” x 9-1/2” metal shims under the base feet. The dryer must be lagged to the floor. ...
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American Dryer Corp. ADS-464 - page 16
12 b. Rear Tilt Piston Lines This connection is made at the rear of the dryer in the space between the lower heat console section and the tumbler (basket) base section. Insert the 3/8” poly-flo tube coming from the tumbler (basket) base section to the 3/8” brass fitting marked with the corresponding number. Do the same to the second tube and br ...
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American Dryer Corp. ADS-464 - page 17
13 c. Load Door Piston Air Lines and Cool Down Damper Piston Air Lines The load door cylinder pneumatic connections are made in the lower heat console section, in the area behind the pneumatic panel. To connect the 1/4” poly-flo lines into the corresponding needle valves, match the number on the line with the number on the needle valve. Insert AL ...
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American Dryer Corp. ADS-464 - page 18
14 2. Electric a. Tumbler (Basket) Motors The disconnects for the two (2) tumbler (basket) motors are located in the lower heat console. The right drum (tumbler/basket) motor disconnect is located in the lower heat console on the upper shelf towards the left. The left drum (tumbler/basket) motor disconnect is located in the base of the lower heat c ...
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American Dryer Corp. ADS-464 - page 19
15 c. Annunciator, Pendent, Over-Burner, and RTD (Resistive Temperature Device) Cable Remove the four (4) bolts that hold on the character (464) panel. Open the door to the main electrical enclosure, the female end of the RTD (Resistance Temperature Device) cable will be found there. Loosen the 1-inch lock nut and remove the modified hole seal. Put ...
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American Dryer Corp. ADS-464 - page 20
16 d. Pendent On the top of the heat console section of the dryer near the pendent, there is a junction box with four (4) cables coming out of it. Two (2) of the cables from the junction box have connectors on the end, a 5-pin connector and an 11-pin connector. Coming out of the pendent should be two (2) cables, one with a 5-pin connector and the o ...
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American Dryer Corp. ADS-464 - page 21
17 e. Tumbler Junction Box Disconnect Remove the four (4) bolts that hold on the lower left side panel, then remove the panel. The safety panel is next to be removed. This is done by removing the six (6) bolts on the bottom of the safety panel where the tumbler section and the base meet. Reach into the feed through hole in the base of the tumbler s ...
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American Dryer Corp. ADS-464 - page 22
18 D. EXTERNAL SUPPLY CONNECTIONS 1. Sprinkler Water Supply A 40 PSI supply of water must be connected into the 1” N.P.T. sprinkler connection located on the left side of the tumbler base. 2. Compressed Air Supply A minimum of 20 cubic feet per hour (cfh) at 80 PSI of dry, clean, and regulated compressed air must be supplied to the dryer. The com ...
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American Dryer Corp. ADS-464 - page 23
19 3. Steam Supply and Condensate Return Connections The steam supply into the dryer is made into the 2-1/2” F.T.P. pipe fitting located on top of the heat module console. The maximum operating steam supply pressure is 150 psig (10.34 bar). The presence of condensate in the steam supply will cause water hammer and subsequent steam coil (battery) ...
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American Dryer Corp. ADS-464 - page 24
20 4. Exhaust Ducting The dryer’s exhaust air must be vented to the outdoors by the shortest route possible with the number of elbows kept to a minimum. The duct should be designed and installed by qualified technicians. Improperly designed duct work may reduce the airflow through the dryer, causing improper and unsafe drying conditions. The stat ...
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American Dryer Corp. ADS-464 - page 25
21 IMPORTANT : DO NOT use screen or caps on the outside opening of the exhaust duct work. Screens will clog with lint and caps will restrict the exhaust airflow. The duct work must be smooth on the inside with no projections from sheet metal screws or other obstructions which would collect lint. Inspection doors must be installed at strategic point ...
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American Dryer Corp. ADS-464 - page 26
22 E. ELECTRICAL REQUIREMENTS 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 electric connections, materials a ...
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American Dryer Corp. ADS-464 - page 27
23 2. Electrical Service Specifications IMPORTANT : The dryer must be connected to the electric supply shown on the data label that is affixed to the right side of the main electrical enclosure. In the case of 208 VAC or 230/240 VAC, the supply voltage must match the electric service specifications of the data label exactly . WARNING : 208 VAC and ...
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American Dryer Corp. ADS-464 - page 28
24 3. Electrical Service The electrical power is connected the dryer at the high voltage section of the control cabinet. On the ADS-464 dryer, this section is located at the bottom left of the main electrical enclosure. The ADS-464 dryer, with sprinkler option, must be supplied with two (2) independent input power lines. One is 3-phase (3ø) electr ...
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American Dryer Corp. ADS-464 - page 29
25 F. FRESH AIR SUPPLY REQUIREMENTS When the dryer is operating, it draws in room air, heats this air through the tumbler (basket), and exhausts it out of the building. Therefore, the room air must be continually replenished from the outdoors. If makeup air is inadequate, drying time and efficiency will be adversely affected, and safety will be com ...
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American Dryer Corp. ADS-464 - page 30
26 G. STEAM INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the steam plumbing installation is adequate and conforms with local and state regulations or codes. IMPORTANT : Failure to comply with the requirements stipulated in this manual can result in component failure which wil ...
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American Dryer Corp. ADS-464 - page 31
27 c. Flexible hoses or couplings must be used. The dryer vibrates slightly when it runs and this will cause the steam coil connections to crack if they are hard piped to the supply and return mains. e. A 3/4” vacuum breaker should be installed for each unit in the piping. This will prevent the condensing steam from causing a vacuum inside the co ...
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American Dryer Corp. ADS-464 - page 32
28 SECTION IV PRE START-UP A. PREPARATION FOR OPERATION 1. The supply voltage must match the dryer voltage as stated on the aluminum dryer data label which is located on the inner right wall of the electrical cabinet. 2. A separate fused power supply must be connected into safety sprinkler circuit power connection. 3. Open ALL steam supply lines an ...
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American Dryer Corp. ADS-464 - page 33
29 SECTION V 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 this cleaning can best be determined from experience at each location. Maximum operating efficiency is dependent ...
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American Dryer Corp. ADS-464 - page 34
30 MONTHLY Grease the four (4) tumbler shaft pillow bearings with DC-44 ( Dow Corning ) grease or equivalent . DC-44 is a lithium grease that conforms to NLGI Grade 2 and has a temperature range of 40º F (4.4º C) to 400º F (204.4º C). Empty the compressed air filter bowl and add oil to the compressed air lubricator bowl. Use a petroleum based n ...
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American Dryer Corp. ADS-464 - page 35
31 SECTION VI COMPONENT SYSTEM DESCRIPTIONS A. TUMBLER (BASKET) SUPPORT and DRIVE SYSTEM IMPORTANT : Always keep the tumbler (basket) section of the dryer in an upright position when moving it. 1. Tumbler (Basket) The tumbler is made of five (5)14-gauge stainless steel perforated panels, five (5) stainless steel lifting ribs, and two (2) outer tumb ...
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American Dryer Corp. ADS-464 - page 36
32 3. Tumbler and Basket Drive System There are two (2) 5 HP tumbler drive motors. Each motor drives one of the 2-inch diameter tumbler drive shafts, and the motors spin simultaneously so that all four (4) sets drive wheels work together to spin the tumbler (basket). Each motor is connected to the drive shaft by two (2) “A” section V-belts, dri ...
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American Dryer Corp. ADS-464 - page 37
33 1) Front Panel Electrical Connections: a) Front Position Switch Disconnect Plug; The front door position switch disconnect plug is located on the left side of the front doors. Disconnect this plug and feed the cable through the right hand side of the tumbler section. b) Intake Temperature Probe Disconnect Plug; The intake temperature probe disco ...
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American Dryer Corp. ADS-464 - page 38
34 B. MAIN AIR BLOWER and HEAT RECLAIMER SYSTEM The fan which moves the exhaust air through the ADS-464 dryer is a 22-inch diameter, squirrel cage wheel that is driven at 1,100 rpm by a 25 HP motor. This fan moves a maximum of 13,000 cfm (368 cmm) air through the dryer. ...
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American Dryer Corp. ADS-464 - page 39
35 The dryer is equipped with a pneumatically operated heat reclaimer damper, which when opened, will recirculate approximately fifteen percent (15%) of the dryer’s exhaust air. The heat reclaimer damper is closed until ignition of flame has been established. Then, the damper piston is actuated, opening the dampers recirculating fifteen percent ( ...
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American Dryer Corp. ADS-464 - page 40
36 C. COMPRESSED AIR SYSTEM NOTE : Current Production models use a Filter Regulator Assembly while Past Production models used a Filter/Regulator/Lubricator (FRL) Assembly. (Refer to the illustrations below.) The compressed air system of the ADS-464 dryer consists of a number of pneumatic pistons located throughout the dryer, a Filter Regulator ass ...
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American Dryer Corp. ADS-464 - page 41
37 3. Pneumatic Control Panel The pneumatic control panel of a 2-Way Tilt dryer has two (2) tilting solenoid valves, one to control the front set of tilting pistons and a second to control the rear set of tilting pistons. A 1-Way Tilt dryer has only one (1) tilting solenoid valve. Each valve has five (5) 1/2-inch F.P.T. ports and two (2) electric s ...
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American Dryer Corp. ADS-464 - page 42
38 4. Internal and External Pilot Air Supply On two-way tilt dryers, a pneumatic safety circuit is incorporated to prevent both front and rear tilting pistons from extending their rods at the same time. When 120 volts is supplied to the “S5” side of the front tilting piston solenoid valve coil, the round internal spool in the core of the soleno ...
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American Dryer Corp. ADS-464 - page 43
39 D. SAFETY DEVICES The ADS-464 dryer is equipped with numerous safety devices to ensure that the dryer operates safely. The chart on the following page ( page 40 ) lists each device with it’s location, function, computer display message, and result of tripping. ...
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American Dryer Corp. ADS-464 - page 44
40 S A F E T Y D E V I C E S L O C A T I ON F UN C T I O N C O M P U TE R D I SP L AY M E SS AG E R E S U LT O F T R I PP I NG L O AD D OO R S W I T C H L E F T S I D E O F L O AD D OO R I N S U R E S D R Y E R L O AD D OO R A R E C L O S E D "DOOR OPEN" D R Y E R W I LL NO T R UN U N L OAD D OO R S W I T C H (T W O DO O R UN I T ON L Y ) ...
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American Dryer Corp. ADS-464 - page 45
41 SECTION VII SERVICE/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 in y ...
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American Dryer Corp. ADS-464 - page 46
42 SECTION VIII WARRANTY INFORMATION A. RETURNING WARRANTY CARDS 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 s ...
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American Dryer Corp. ADS-464 - page 47
43 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 a credit or a refund, the invoice number covering the purchase of the replacement part must be provided. NOTE : Warranty tags (ADC Part No. 450064) are available at "no charge" from ADC upon r ...
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American Dryer Corp. ADS-464 - page 48
44 SECTION IX TROUBLESHOOTING IMPORTANT: YOU MUST DISCONNECT and LOCKOUT THE ELECTRICAL SUPPLY and 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. The information provided wi ...
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American Dryer Corp. ADS-464 - page 49
45 A. POWER MALFUNCTIONS 1. Main Disconnect Will Not Turn On a. PROBABLE CAUSES; 1a) Sprinkler isolated power source “OFF” or disabled. 2a) OL12 tripped or sprinkler circuit defective. 3a) Sprinkler activated. 4a) Sprinkler will not reset. b. POSSIBLE SOLUTIONS; 1b) Verify “ RED ” “Sprinkler Power” on main panel to be illuminated. • I ...
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American Dryer Corp. ADS-464 - page 50
46 • If RTD (Resistive Temperature Device) probe is defective, replace the probe. NOTE : If ALL systems check out fine, call the ADC Service Department at (508) 678-9000. 2. No Control Power (“ BLUE ” Light Off) a. PROBABLE CAUSES; 1a) Line voltage from main fused disconnected. 2a) Main disconnect on the ADS-464 is turned off. 3a) OL11 (overl ...
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American Dryer Corp. ADS-464 - page 51
47 3. Machine Main Power Shuts Down (“ BLUE ” Indicator Off) a. PROBABLE CAUSES; 1a) Sprinkler activated. 2a) OL12 (overload #12) tripped. 3a) “UNDER VOLTAGE FEATURE” of main disconnect has tripped. 4a) Sprinkler circuit defective. b. POSSIBLE SOLUTIONS; 1b) Check if the sprinkler is activated, is “SPRINKLER RESET” button lit? Is the sp ...
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American Dryer Corp. ADS-464 - page 52
48 The following information will first describe the sprinkler circuit components and then provide a circuit description. Please refer to the ADS-464 ladder diagram (which is supplied with the machine) as the following is described. SPRINKLER CIRCUIT COMPONENTS • OL12 (overload #12) is a 1.6-amp magnetic and thermal overload device set 1-amp. Its ...
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American Dryer Corp. ADS-464 - page 53
49 • L4 (light #4) is an “ AMBER ” light associated with PB #10 (push button #10), the “SPRINKLER RESET” button. These items are located on the electrical enclosure’s front panel. L4’s function is to give a visual indication that the sprinkler function is asserted and that the pneumatically activated water valve is open. • The air a ...
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American Dryer Corp. ADS-464 - page 54
50 SUMMARY : With UV (under voltage control of the main disconnect) energized, the ADS-464 main switch may be turned on. • STATE 2 - The tumbler (basket) temperature has risen “ABOVE” SHLC (Sprinkler High Limit Controller) preset trip value. With power is applied to SHLC: • SHLC set point will open • SHLC alarm will close • #2CR (#2 con ...
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American Dryer Corp. ADS-464 - page 55
51 4. Front Panel “ BLUE ” Light and “ RED ” Light “ON” ADS-464 “ON” button does respond ... a. PROBABLE CAUSES; 1a) EMERGENCY STOP (E-STOP) BUTTONS 1, 2, and 3. b. POSSIBLE SOLUTIONS; 1b) Verify that ALL EMERGENCY STOP (E-Stop) buttons are pushed in. • EMERGENCY STOP 1 - main enclosed door • EMERGENCY STOP 2 - pendent control ? ...
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American Dryer Corp. ADS-464 - page 56
52 3a) Malfunctioning operator interface terminal or communications cable. 4a) Malfunctioning 24 volt DC power supply. 5a) Malfunctioning hi-limit temperature controller. b. POSSIBLE SOLUTIONS; 1b) Verify that fuses 7, 8, 9, and 10 are good. Check that ALL fuse holder L.E.D. (light emitting diode) indicators are not lit • If ALL fuses are good, g ...
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American Dryer Corp. ADS-464 - page 57
53 General Description: The six (6) channels accept independent RTD (Resistive Temperature Device) inputs (spare channels have a 100 ohm [100 Ω ] 5% tolerance resistors installed) and there is an individual set point for each channel. In operation, the scan rate between channels is four (4) to six (6) seconds, and the display will have the temper ...
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American Dryer Corp. ADS-464 - page 58
54 - If anyone of the HI-LIMIT temperature SENSORS sense an over temperature condition. It will open its control relay. (Refer to the ADS-464 ladder diagram for the effect of this relay.) - If a “HI-TEMP FAULT” message is displayed, open the main electrical enclosure, and notice which channel has cycled. This will lead one in the direction of t ...
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American Dryer Corp. ADS-464 - page 59
55 - Check fuse 10’s blown fuse indicator - Check wiring; refer to ADS-464 Main Panel Wiring Diagram - Re-Test 7. “DRUM FAULT” Message PLC (PROGRAMMABLE LOGIC CONTROLLER) MESSAGE “DRUM FAULT” a. PROBABLE CAUSE; 1. Stop motion detector module or sensor. With control voltage “ON” (green push-button), use the pendant control in “LOAD P ...
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American Dryer Corp. ADS-464 - page 60
56 B. TUMBLER SECTION ELECTRICAL MALFUNCTIONS INTRODUCTION There are a number of electrical components associated with the ADS-464 tumbler section. These components are all interfaced to the tumbler junction box, and connected to the main electrical enclosure through a dis- connectable cable. The “tumbler junction box” is located on the left si ...
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American Dryer Corp. ADS-464 - page 61
57 3. Drum Rotation Sensor - PRS1 The drum rotation sensor is an inductive pick up device located on the left wrapper of the tumbler section. Its function is to sense a metal “target” attached to the “basket” as it rotates. The mechanical adjustment of this device, (distance from the target) is crucial (3/16” from target). CAUTION: DO NOT ...
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American Dryer Corp. ADS-464 - page 62
58 2 Rear Panel Control Problems EMERGENCY STOP (E-Stop) Function a) PROBABLE CAUSES: 1. Rear panel disconnect plug 2. Defective switch 3. Wiring back to the main electrical enclosure b) POSSIBLE SOLUTIONS; 1. If the EMERGENCY STOP (E-STOP) - rear - does not respond: - Verify that ALL other EMERGENCY STOP (E-STOP) buttons are pulled out - Verify th ...
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American Dryer Corp. ADS-464 - page 63
59 Drum Forward and Reverse Function c) PROBABLE CAUSES; 2.1 Rear panel disconnect plug 2.2 Defective switches 2.3 Wiring back to the main electrical enclosure d) POSSIBLE SOLUTIONS; 1. If either the Drum forward or reverse functions (rear) do not respond. - Verify that the rear panel controls disconnect plug is indeed connected. This disconnect pl ...
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American Dryer Corp. ADS-464 - page 64
60 - Refer to blueprints: - Main electrical panel diagram - Tumbler junction box wiring diagram - Rear panel controls wiring diagram - Re-test 0 UNLOAD 1 Selection e) PROBABLE CAUSES; 1. Rear panel disconnect plug 2. Defective switch 3. Wiring back to main electrical enclosure f) POSSIBLE SOLUTIONS; 1. If the O UNLOAD 1 switch doesn’t respond whe ...
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American Dryer Corp. ADS-464 - page 65
61 - Check wiring on the MAIN ENCLOSURE PANEL (Refer to the ADS-464 Main Panel Wiring Diagram) - Check wiring associated with Solenoid Junction Box. - See troubleshooting procedures associated with the Solenoid Junction Box. 3b) Input L.E.D. (light emitting doide) not illuminating correctly on the PLC (Programmable Logic Controller) indicates that ...
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American Dryer Corp. ADS-464 - page 66
62 - Open the UNLOAD doors and locate the UNLOAD doors switch actuator. - Cycle the switch by hand and have someone watch PLC (Programmable Logic Controller) input indicator #7. It should go “ON” when the switch is down. Do the associated L.E.D.’s (light emitting diode) come “ON” when switch is down? - If “YES,” wiring is OK - Check s ...
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American Dryer Corp. ADS-464 - page 67
63 - If yes, adjust the “Time Adjust” until the L.E.D. (light emitting diode) is on during rotation 15 to 20 seconds after the tumbler stops - If “NO,” check: - Inductive proximity sensor is located in the same area as the tumbler junction box - Inductive proximity mechanical adjustment - The target that is attached to the outside of the ba ...
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American Dryer Corp. ADS-464 - page 68
64 C. BASE SECTION ELECTRICAL MALFUNCTIONS INTRODUCTION There are four (4) electrical components associated with the ADS-464 base section. These components are interfaced to a junction box, and connect to the main electrical enclosure through a disconnect cable. The “Base Junction Box” is located on the right rear of the base section, and title ...
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American Dryer Corp. ADS-464 - page 69
65 NOTE : Front and Rear Drawers are not interchangeable “B” is used as an electrical interlock to the PLC’s 110 VAC output power 4. Lint Chamber Pressure Switch -- PS3 The “Lint Chamber Pressure Sensing Switch” is located on the left rear side of the ADS-464 base. It is an adjustable pressure switch, which incorporate a single-pole-singl ...
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American Dryer Corp. ADS-464 - page 70
66 - If “NO,” check associated: - Switch and Wiring - Check wiring back to the base electrical junction box - Check PLC (Programmable Logic Controller) - Refer toblueprints: Main Electrical Panel Diagram, Base Electrical Junction Box Wiring Diagram - Re-test; verify that the signal is operational 1b) Place the ADS-464 in the UNLOAD position; TI ...
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American Dryer Corp. ADS-464 - page 71
67 2. WIRING BACK TO THE PLC (Programmable Logic Controller), 0, 8 a) PROBABLE CAUSES; 1. CLOGGED LINT SCREEN OR LINT BAG 2. AIR PRESSURE SETTING 3. AIR PRESSURE SWITCH - PS3 OR WIRING BACK TO THE PLC (Programmable Logic Controller) b) POSSIBLE SOLUTIONS; 1. Perform preventive maintenance and screen cleaning procedures. 2. Set correct pressure sett ...
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American Dryer Corp. ADS-464 - page 72
68 D. PENDANT CONTROL MALFUNCTIONS INTRODUCTION There are four (4) electrical switches associated with the ADS-464 Pendant assembly. These components are interfaced to TB1 of Main Electrical Enclosure through two (2) disconnects and two (2) junction boxes. The Pendant Assembly is remote control for Loading or Unloading the ADS-464. The functions pr ...
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American Dryer Corp. ADS-464 - page 73
69 • TUMBLER FORWARD “PENDANT” --- PB1 This push button comprises of one normally open switch, and is mechanically interlock with Tumbler Reverse Push Button. • EMERGENCY STOP (E-STOP) “PENDANT” --- PB6 This push button switch is normally open device and its function is to shut down the control voltage to the dryer in the event it is pr ...
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American Dryer Corp. ADS-464 - page 74
70 • Release the REVERSE Push-button • Does PLC (Programmable Logic Controller) input L.E.D. #18 go “OFF”? • If the answers to these questions are “YES,” wiring to the PLC is correct. • If any answer to these questions is “NO,” refer to Probable Causes below • Tumbler Forward Switch --- PB1 For quick check of the wiring of PB1 ...
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American Dryer Corp. ADS-464 - page 75
71 • EMERGENCY STOP (E-STOP) SWITCH --- PB6 If the “Emergency Stop” switch (pendant) does not respond: c) PROBABLE CAUSES; 1. ANOTHER EMERGENCY STOP (E-STOP) BUTTON 2. A DISCONNECT PLUG 3. FAULTY SWITCH 4. WIRING BACK TO TB1 d) POSSIBLE SOLUTIONS; 1. Verify that ALL other “Emergency Stop” (E-Stop) buttons are not pushed in, and re-test. 2 ...
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American Dryer Corp. ADS-464 - page 76
72 1. TEMPERATURE SENSING COMPONENT DESCRIPTIONS • Exhaust RTD (Resistance Temperature Device)- Sens1 The RTD (Resistance Temperature Device), used throughout the ADS-464 are identical. The main function is to measure temperatures and to transfer this information to a measuring devices for further processing. The RTD used on the ADS-464 are rated ...
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American Dryer Corp. ADS-464 - page 77
73 3a) Defective Analog Input Module For Channel 4a) RTD (Resistive Temperature Device) Wiring To The “EXHAUST” 4 to 20 milliamphere (4 to 20 mA) Transmitter 5a) Circuit Wiring To the Analog Input Module b) POSSIBLE SOLUTIONS; 1b) With the control voltage “OFF.” The exhaust RTD (Resistive Temperature Device) probe can be quickly checked, by ...
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American Dryer Corp. ADS-464 - page 78
74 4. RTD (Resistive Temperature Device) WIRING TO THE “EXHAUST” 4 to 20 MILLIAMPERE (4 to 20 mA) TRANSMITTER Check ALL wiring and ADS-464 connection from the exhaust RTD (Resistive Temperature Device) probe to the exhaust 4 to 20 milliampere (4 to 20 mA) transmitter. Refer to the ADS-464 EXHAUST Temperature Assembly and Wiring Diagram, ADS-464 ...
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American Dryer Corp. ADS-464 - page 79
75 2a) PLC (Programmable Logic Controller) Output Signal Defective 3a) Motor Circuit Wiring b) PROBABLE SOLUTIONS; 1b) Verify that all motor protection devices (manual starters) have their “START” buttons pushed in. If any device has tripped, reset it and restart the dryer. If the same devices continue to trip: • Verify current setting • Ch ...
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American Dryer Corp. ADS-464 - page 80
76 G. PLC (Programmable Logic Controller) ERROR MESSAGES The ADS-464 diagnostics messages have been provides to aid troubleshooters in diagnosing and repairing dryer problems. The message are intended to direct one to a particular fault area for further testing; not to diagnose the machine for you. NOTE : Not ALL ADS-464 dryer symptoms have faults ...
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American Dryer Corp. ADS-464 - page 81
ADC 112103 1 - 06/18/96-3 2 - 06/24/96-25 3* 11/12/99-20 ...
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