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Manuel d’utilisation American Dryer Corp. MLS-460

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  • American Dryer Corp. MLS-460 - page 1

    MLS-460 Installation/Operator’s Manual 120199DX/tcosta ADC Part No. 113073 W ARNING: 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 any oth ...

  • American Dryer Corp. MLS-460 - page 2

    Retain This Manual In A Safe Place For Futur e Reference American Dryer Corporation products embody advanced concepts in engineering, design, and safety . If this product is properly maintained, it will provide many years of safe, efficient, and trouble-free operation. ONLY qualified technicians should service this equipment. OBSER VE ALL SAFETY PR ...

  • American Dryer Corp. MLS-460 - page 3

    IMPOR T ANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPL Y and THE STEAM SUPPL Y BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) ST ANDARDS. CHILDREN SHOULD NOT BE ALLOWED T O PLA Y ON OR NEA ...

  • American Dryer Corp. MLS-460 - page 4

    W ARNING The dryer must never be operated with any of the back guards, outer tops, or service panels r emoved. PERSONAL INJUR Y or FIRE COULD RESUL T . IMPOR T ANT PLEASE OBSER VE 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 ...

  • American Dryer Corp. MLS-460 - page 5

    Table of Contents SECTION I IMPOR T ANT INFORMA TION ........................................................................................................ 3 A. Receiving and Handling ............................................................................................................... 3 B. Safety Precautions ............................ ...

  • American Dryer Corp. MLS-460 - page 6

    SECTION VII SER VICE/P AR TS INFORMA TION ................................................................................................ 40 A. Service ..................................................................................................................................... 40 B . Parts .................................................. ...

  • American Dryer Corp. MLS-460 - page 7

    3 SECTION I IMPOR T ANT INFORMA TION 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 ...

  • American Dryer Corp. MLS-460 - page 8

    4 B. SAFETY PRECAUTIONS W ARNING: 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. W ARNING: The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJUR Y or FIRE COULD ...

  • American Dryer Corp. MLS-460 - 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. W ARNING: 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 A T T ACHED T ...

  • American Dryer Corp. MLS-460 - page 10

    6 SECTION II SPECIFICA TIONS/DIMENSIONS A. SPECIFICA TIONS NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. ...

  • American Dryer Corp. MLS-460 - page 11

    7 B. DIMENSIONS NOTE : ADC reserves the right to make changes in specifications at any time, without notice or obligation. ...

  • American Dryer Corp. MLS-460 - page 12

    8 SECTION III INST ALLA TION 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 NA TIONAL ELECTRICAL CODE ANSI/ NFP A NO. 70-LA TEST EDITION, or in Canada, the CANADIAN ELECTRICAL CODES P AR TS 1 & 2 CSA C22.1-1 ...

  • American Dryer Corp. MLS-460 - page 13

    9 2. Reassembly Instructions For Dryers Shipped In Three (3) Pieces When the dryer is shipped in three (3) pieces, the tumbler (basket) and the tumbler (basket) base sections are shipped as two (2) separate pieces. The heat console section is shipped as the third piece. a. Reassemble The T umbler (Basket) Base Section T o The Heat Console Section M ...

  • American Dryer Corp. MLS-460 - page 14

    10 c. Reassemble The T umbler (Basket) Section T o The T umbler (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 (basket) base. The four (4) large slots located on the bottom of the tumbler (basket) section (one slot at each corner of ...

  • American Dryer Corp. MLS-460 - page 15

    11 B. LOCA TION REQUIREMENTS The model MLS-460 dryer requires 36-inches (99 cm) of space on each side of the dryer and 36-inches (99 cm) 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 (24 cm x 24 cm) metal shims under the base feet. The d ...

  • American Dryer Corp. MLS-460 - page 16

    12 C. INTERNAL AIR, ELECTRICAL , and W A TER CONNECTIONS 1. Air a . Front T ilt Piston and Sprinkler Lines This connection is made at the front of the dryer in the area between the lower heat console section and the tumbler (basket) base section. T o connect the sprinkler air line insert the 1/4 aluminum tubing into the 1/4 brass compression ...

  • American Dryer Corp. MLS-460 - 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. T o 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 ...

  • American Dryer Corp. MLS-460 - page 18

    14 2. Electric a. T umbler (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 ...

  • American Dryer Corp. MLS-460 - page 19

    15 c . Annunciator , Pendent, Over-Burner , and R TD (Resistive T emperature Device) Cable Remove the four (4) bolts that hold on the character (460) panel. Open the door to the main electrical enclosure, the female end of the R TD (Resistive T emperature Device) cable will be found there. Loosen the 1-inch lock nut and remove the modified hole sea ...

  • American Dryer Corp. MLS-460 - page 20

    16 d. Pendant On the top of the heat console section of the dryer near the pendant, there is a junction box with four (4) cables coming out of it. T wo (2) of the cables from the junction box have connectors on the end, a 5-pin connector and an 1 1-pin connector . Coming out of the pendant should be two (2) cables, one with a 5- pin connector and t ...

  • American Dryer Corp. MLS-460 - page 21

    17 e . T umbler (Basket) Junction Box Disconnect Remove the four (4) bolts that hold on the lower left side panel, then remove the panel. Next, remove the safety panel by removing the six (6) bolts on the bottom of the panel where the tumbler (basket) section and the base meet. Reach into the feed through hole in the base of the tumbler (basket) se ...

  • American Dryer Corp. MLS-460 - page 22

    18 D. EXTERNAL SUPPL Y CONNECTIONS 1. Sprinkler W ater Supply A 40 PSI (276 kPa) supply of water must be connected into the 1 N.P .T . sprinkler connection located on the left side of the tumbler (basket) base. 2. Compressed Air Supply A minimum of 20 cfh (cubic feet per hour) - 0.57 cmh - at 80 PSI (552 kPa) of dry , clean, and regulated compre ...

  • American Dryer Corp. MLS-460 - 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 125 psig (862 kPa). The presence of condensate in the steam supply will cause water hammer and subsequent steam coil (battery) ...

  • American Dryer Corp. MLS-460 - 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 s ...

  • American Dryer Corp. MLS-460 - page 25

    21 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 points in the duct work for periodic lint removal. Use smooth sweeping elbows instead of sharp 90º elbows. The radius of an elbow should be at least 1-1/2 times th ...

  • American Dryer Corp. MLS-460 - 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 ...

  • American Dryer Corp. MLS-460 - page 27

    23 2. Electrical Service Specifications IMPOR T ANT : 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 V AC or 240 V AC, the supply voltage must match the electric service specifications of the data label exactly . W ARNING: 208 V AC and ...

  • American Dryer Corp. MLS-460 - page 28

    24 3. Electrical Service The electrical power is connected to the dryer at the high voltage section of the control cabinet. On the MLS-460 dryer , this section is located at the bottom left of the main electrical enclosure. The MLS-460 dryer , with sprinkler option, must be supplied with two (2) independent input power lines. One is 3-phase (3ø) e ...

  • American Dryer Corp. MLS-460 - page 29

    25 F . FRESH AIR SUPPL Y 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 make-up air is inadequate, drying time and efficiency will be adversely affected, and safety will be ...

  • American Dryer Corp. MLS-460 - page 30

    26 G . STEAM INFORMA TION 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. IMPOR T ANT : Failure to comply with the requirements stipulated in this manual can result in component failure which ...

  • American Dryer Corp. MLS-460 - 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 ...

  • American Dryer Corp. MLS-460 - page 32

    28 SECTION IV PRE ST AR T -UP A. PREP ARA TION FOR OPERA TION 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 li ...

  • American Dryer Corp. MLS-460 - 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 dependen ...

  • American Dryer Corp. MLS-460 - page 34

    30 MONTHL Y Grease the four (4) tumbler (basket) 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. EVER Y 90 DA YS Clean any lint accumulation on main blower wheel. ...

  • American Dryer Corp. MLS-460 - page 35

    31 SECTION VI COMPONENT SYSTEM DESCRIPTIONS A. TUMBLER (BASKET) SUPPOR T and DRIVE SYSTEM IMPOR T ANT : Always keep the tumbler (basket) section of the dryer in an upright position when moving it. 1. T umbler (Basket) The tumbler (basket) is made of five (5) 14-gauge stainless steel perforated panels, five (5) stainless steel lifting ribs, and two ...

  • American Dryer Corp. MLS-460 - page 36

    32 3. T umbler and Basket Drive System There are two (2) 5 HP (3.73 kw) tumbler (basket) drive motors. Each motor drives one of the 2-inch (5.08 cm) diameter tumbler (basket) 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 ...

  • American Dryer Corp. MLS-460 - 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 (basket) section. b) Intake T emperature Probe Disconnect Plug; The intake temperature ...

  • American Dryer Corp. MLS-460 - page 38

    34 B. MAIN AIR BLOWER and HEA T RECLAIMER SYSTEM The fan which moves the exhaust air through the ML-460 dryer is a 22-inch (56 cm) diameter , squirrel cage wheel that is driven at 1,100 rpm by a 25 HP (18.64 kw) motor . This fan moves a maximum of 13,000 cfm (368 cmm) air through the dryer . ...

  • American Dryer Corp. MLS-460 - 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 perce ...

  • American Dryer Corp. MLS-460 - page 40

    36 C. COMPRESSED AIR SYSTEM The compressed air system of the MLS-460 dryer consists of a number of pneumatic pistons located throughout the dryer , a Filter Regulator assembly , and pneumatic control panel. 1. Air Pistons The pistons are actuated by solenoid and flow control valves that are under computer control. The pneumatic pistons are used to: ...

  • American Dryer Corp. MLS-460 - page 41

    37 The tilting piston valves are 3-position valves. This means that, if no voltage is applied to both positions S5 and S8 ALL five (5) valve ports are blocked. If the dryer is tilting or leveling and power to the dryer is shut off, the pistons will lock in position, holding the dryer in a partially tilted position. The dryer can be made ...

  • American Dryer Corp. MLS-460 - page 42

    38 A valve can easily be checked for internal or external piloting by removing the two (2) screws which hold the solenoid operator onto the valve. For an internal pilot air to be supplied to the valve spool. For an external pilot, the solid sealing disc must be positioned on top of the internal port. 5. Loading Doors and Heat Reclaimer , Cool Down ...

  • American Dryer Corp. MLS-460 - page 43

    39 S AFETY D EVICES L OC A T ION F UNCTI O N C O MPUTER D IS PLAY M ESSA GE R ESULT O F T RIPPING L OAD D OOR S WITCH L EFT S IDE O F L OAD D OOR I NSURES DRYER LOAD DOOR ARE CLOSED "DOOR OPEN" D RYER WILL NOT R UN U NLOAD DOO R SWI TC H (T WO DOOR UNI T ONLY ) R IGHT S IDE OF UNLOAD DOOR I NSU RES DRYE R UNLOAD DOORS ARE CLO SED "DO ...

  • American Dryer Corp. MLS-460 - page 44

    40 SECTION VII SER VICE/P AR TS INFORMA TION A. SER VICE 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 distributo ...

  • American Dryer Corp. MLS-460 - page 45

    41 SECTION VIII W ARRANTY INFORMA TION A. RETURNING W ARRANTY CARDS 1. 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 better serve you, if you fil ...

  • American Dryer Corp. MLS-460 - page 46

    42 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: W arranty tags (ADC Part No. 450064) are available at no char ge from ADC upon reques ...

  • American Dryer Corp. MLS-460 - page 47

    43 SECTION IX TROUBLESHOOTING IMPOR T ANT : YOU MUST DISCONNECT and LOCKOUT THE ELECTRICAL SUPPL Y and THE STEAM SUPPL Y BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE T O ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION or TESTING O F ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) ST ANDARDS. The information ...

  • American Dryer Corp. MLS-460 - page 48

    44 A. POWER MALFUNCTIONS 1. Main Disconnect W ill Not T urn On a. PROBABLE CAUSES; 1) Sprinkler isolated power source OFF or disabled. 2) OL12 tripped or sprinkler circuit defective. 3) Sprinkler activated. 4) Sprinkler will not reset. b. POSSIBLE SOLUTIONS; 1) V erify red Sprinkler Power on main panel to be illuminated.  If ? ...

  • American Dryer Corp. MLS-460 - page 49

    45  If R TD (Resistive T emperature 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; 1) Line voltage from main fuse disconnected. 2) Main disconnect on the dryer is turned off. 3) OL1 1 (overload #1 ...

  • American Dryer Corp. MLS-460 - page 50

    46 3. Machine Main Power Shuts Down (Blue Indicator Off) a. PROBABLE CAUSES; 1) Sprinkler activated. 2) OL12 (overload #12) tripped. 3) UNDER VOL T AGE FEA TURE of main disconnect has tripped. 4) Sprinkler circuit defective. b. POSSIBLE SOLUTIONS; 1) Check if the sprinkler is activated, is SPRINKLER RESET button lit? Is the sprink ...

  • American Dryer Corp. MLS-460 - page 51

    47 The following information will first describe the sprinkler circuit components and then provide a circuit description. Please refer to the MLS-460 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 ...

  • American Dryer Corp. MLS-460 - page 52

    48  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 ...

  • American Dryer Corp. MLS-460 - page 53

    49 SUMMAR Y : W ith UV (under voltage control of the main disconnect) energized, the MLS-460 main switch may be turned on.  ST A TE 2 - The tumbler (basket) temperature has risen ABOVE SHLC (Sprinkler High Limit Controller) preset trip value. W ith power applied to the SHLC:  SHLC set point will open  SHLC alarm will close  #2CR ( ...

  • American Dryer Corp. MLS-460 - page 54

    50 4. Front Panel Blue Light and Red Light ON MLS-460 ON button does respond ... a. PROBABLE CAUSES; 1) EMERGENCY STOP (E-Stop) BUTTONS 1, 2, and 3. b. POSSIBLE SOLUTIONS; 1) V erify that ALL EMERGENCY STOP (E-S top) buttons are pushed in.  EMERGENCY STOP 1 - main enclosed door  EMERGENCY STOP 2 - pendant c ...

  • American Dryer Corp. MLS-460 - page 55

    51 3) Malfunctioning operator interface terminal or communications cable. 4) Malfunctioning 24 volt DC power supply . 5) Malfunctioning hi-limit temperature controller . b. POSSIBLE SOLUTIONS; 1) V erify 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 ...

  • American Dryer Corp. MLS-460 - page 56

    52 General Description: The six (6) channels accept independent R TD (Resistive T emperature Device) inputs (spare channels have a 100 ohm [100 W ] 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 ...

  • American Dryer Corp. MLS-460 - page 57

    53  If anyone of the HI-LIMIT temperature SENSORS sense an over temperature condition. It will open its control relay . (Refer to the MLS-460 ladder diagram for the effect of this relay .)  If a HI-TEMP F AUL T message is displayed, open the main electrical enclosure, and notice which channel has cycled. This will lead one in the direct ...

  • American Dryer Corp. MLS-460 - page 58

    54  Check that ALL EMERGENCY STOP (E-S top) buttons are disengaged (out).  Check fuse 10 s blown fuse indicator .  Check wiring; refer to MLS-460 Main Panel W iring Diagram.  Retest. 7 DRUM F AUL T Message PLC (PROGRAMMABLE LOGIC CONTROLLER) MESSAGE DRUM F AUL T a. PROBABLE CAUSE; 1) Stop motion detector module or s ...

  • American Dryer Corp. MLS-460 - page 59

    55  Circuit wiring; refer to MLS-460 main panel wiring diagram MLS-460 tumbler (basket) junction box wiring diagram. B. TUMBLER (BASKET) SECTION ELECTRICAL MALFUNCTIONS INTRODUCTION There are a number of electrical components associated with the MLS-460 tumbler (basket) section. These components are ALL interfaced to the tumbler (basket) junctio ...

  • American Dryer Corp. MLS-460 - page 60

    56 c . Drum Rotation Sensor - PRS1 The drum rotation sensor is an inductive pick up device located on the left wrapper of the tumbler (basket) 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). CAUTI ...

  • American Dryer Corp. MLS-460 - page 61

    57 2.0. Rear Panel Control Problems EMERGENCY STOP (E-Stop) Function a. PROBABLE CAUSES: 1) Rear panel disconnect plug 2) Defective switch 3) W iring back to the main electrical enclosure b. POSSIBLE SOLUTIONS; 1) If the EMERGENCY STOP (E-Stop) - rear - does not respond:  V erify that ALL other EMERGENCY ST OP (E-Stop) buttons ...

  • American Dryer Corp. MLS-460 - page 62

    58 3b ) W iring from the EMERGENCY STOP (E-Stop) button to the main electrical enclosure is faulty or incorrect.  Check REAR P ANEL CONTROLS WIRING DIAGRAM  Check TUMBLER JUNCTION BOX WIRING DIAGRAM  Refer to section 3 on page 57 and retest Drum Forward and Reverse Function c. PROBABLE CAUSES; 1) Rear panel disconnect plug 2) Defecti ...

  • American Dryer Corp. MLS-460 - page 63

    59 3a) The L.E.D.s illuminating on the PLC (Programmable Logic Controller) indicate that the wiring to the PLC is correct.  Check that the respective outputs of hte PLC are also illuminating when the FOR W ARD and REVERSE buttons are being pressed. PLC OUT PIN 1 = DRUM REVERSE PLC OUT PIN 2 = DRUM FOR W ARD  If output indicators are functiona ...

  • American Dryer Corp. MLS-460 - page 64

    60  Shut power off at the main breaker and remove the rear panel and check switches using an OHM meter; replace if defective 3) W iring back to the main electrical enclosure  With the control voltage ON Front Panel green Button  Select 1 on the O UNLOAD switch located on the rear control panel. Does PLC (Programmabl ...

  • American Dryer Corp. MLS-460 - page 65

    61 3. 0 DOOR Open Problem A DOOR OPEN message is generated by either the heater , the LOAD doors, or UNLOAD doors. The following information will address the LOAD doors and the UNLOAD doors signals, since they are associated with the tumbler (basket) junction box. a. PROBABLE CAUSES; 1) WIRING BACK THE PLC (Programmable Logic Controller ...

  • American Dryer Corp. MLS-460 - page 66

    62  Retest; verify that the signal is operational 4. 0 DRUM F AUL T MESSAGE Malfunction a. PROBABLE CAUSES; 1) Stop Motion Detector module or sensor 2) W iring back to main electrical enclosure b. PROBABLE SOLUTIONS; 1) Open the Main Electrical Enclosure locate input #0, 10 on the PLC (Programmable Logic Controller). W ith control voltage ...

  • American Dryer Corp. MLS-460 - page 67

    63  T umbler (basket) target...this tar get is attached to the outside of the basket  Stop motion detector module in the tumbler (basket) section on the left front side  Circuit W iring; refer to MLS-460 Main Panel W iring Diagram  MLS-460 T umbler (Basket) Junction Box W iring Diagram C. BASE SECTION ELECTRICAL MALFUNCTIONS INTRODUCTIO ...

  • American Dryer Corp. MLS-460 - page 68

    64 c . Lint Drawer Proximity Switches The Lint Drawer Proximity Switches are located on the left side of the MLS-460 base, and is comprised of six (6) parts: Junction Box, two (2) proximity switches, and three (3) cord grip switches. The switches sense a magnet installed on the lint drawer that verify that ALL safeties are met to the Burner C ...

  • American Dryer Corp. MLS-460 - page 69

    65  Check switch and actuator placement and tilt actuation. NOTE: If actuator is at a 90º or greater angle with the base, actuator will be damaged if machine is lowered.  If NO, check associated:  Switch and W iring  Check wiring back to the base electrical junction box  Check PLC (Programmable Logic Controller)  Refer to t ...

  • American Dryer Corp. MLS-460 - page 70

    66 a. PROBABLE CAUSES 1) The lint screen must be cleaned every five (5) drying cycles 2) W iring back to the PLC (Programmable Logic Controller), 0, 8 3) Clogged lint screen or lint bag 4) Air pressure setting 5) Air pressure switch - PS3 or wiring back to the PLC (Programmable Logic Controller) b. PROBABLE SOLUTIONS; 1) Perform preventive maintena ...

  • American Dryer Corp. MLS-460 - page 71

    67 D. PENDANT CONTROL MALFUNCTIONS INTRODUCTION There are four (4) electrical switches associated with the MLS-460 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 MLS-460. The functions p ...

  • American Dryer Corp. MLS-460 - page 72

    68  TUMBLER FOR W ARD PENDANT --- PB1 This push button comprises of one (1) normally open switch, and is mechanically interlock with T umbler Reverse Push Button.  EMERGENCY STOP (E-Stop) PENDANT --- PB6 This push button switch is normally an open device and its function is to shut down the control voltage to the dryer in th ...

  • American Dryer Corp. MLS-460 - page 73

    69  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  T umbler Forward Switch --- PB1 For quick check of the wiring of PB ...

  • American Dryer Corp. MLS-460 - page 74

    70  EMERGENCY STOP (E-Stop) SWITCH --- PB6 If the EMERGENCY STOP (E-Stop) switch (pendant) does not respond: c. PROBABLE CAUSES; 1) ANOTHER EMERGENCY STOP (E-Stop) BUTTON 2 ) A DISCONNECT PLUG 3 ) F AUL TY SWITCH 4 ) WIRING BACK TO TB1 d. POSSIBLE SOLUTIONS; 1) V erify that ALL other EMERGENCY STOP (E-Stop) buttons are no ...

  • American Dryer Corp. MLS-460 - page 75

    71 1. TEMPERA TURE SENSING COMPONENT DESCRIPTIONS  Exhaust R TD (Resistive T emperature Device) - Sens1 The R TD (Resistive T emperature Device), used throughout the MLS-460 are identical. The main function is to measure temperatures and to transfer this information to a measuring device for further processing. The R TD used on the MLS-460 are r ...

  • American Dryer Corp. MLS-460 - page 76

    72 3) Defective Analog Input Module For Channel 4) R TD (Resistive T emperature Device) W iring T o The EXHAUST 4 to 20 milliamphere (4 to 20 mA) T ransmitter 5) Circuit W iring T o the Analog Input Module b. POSSIBLE SOLUTIONS; 1) W ith the control voltage OFF The exhaust R TD (Resistive T emperature Device) probe can be quickly checke ...

  • American Dryer Corp. MLS-460 - page 77

    73 4. R TD (Resistive T emperature Device) WIRING T O THE EXHAUST 4 to 20 MILLIAMPERE (4 to 20 mA) TRANSMITTER Check ALL wiring and MLS-460 connection from the exhaust R TD (Resistive T emperature Device) probe to the exhaust 4 to 20 milliampere (4 to 20 mA) transmitter . Refer to the MLS-460 EXHAUST T emperature Assembly and W iring Diagram, ...

  • American Dryer Corp. MLS-460 - page 78

    74 2) PLC (Programmable Logic Controller) Output Signal Defective 3) Motor Circuit W iring b. PROBABLE SOLUTIONS; 1) V erify that ALL motor protection devices (manual starters) have their ST AR T buttons pushed in. If any device has tripped, reset it and restart the dryer . If the same devices continue to trip:  V erify current setting  ...

  • American Dryer Corp. MLS-460 - page 79

    75 G . PLC (Programmable Logic Controller) ERROR MESSAGES The MLS-460 diagnostics messages have been provides to aid troubleshooters in diagnosing and repairing dryer problems. The messages are intended to direct one to a particular fault area for further testing; not to diagnose the machine for you. NOTE: Not ALL MLS-460 dryer symptoms have faults ...

  • American Dryer Corp. MLS-460 - page 80

    ADC 113073 1 - 01/14/00-15 ...

Fabricant American Dryer Corp. Catégorie Clothes Dryer

Les documents que nous recevons du fabricant de l'appareilAmerican Dryer Corp. MLS-460 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques American Dryer Corp.
- manuels d’utilisations MLS-460
- fiches produit American Dryer Corp.
- dépliants
- ou étiquettes-énergie American Dryer Corp. MLS-460
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation American Dryer Corp. MLS-460.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation American Dryer Corp. MLS-460, manuels d’entretien, brefs manuels ou manuels de l’utilisateur American Dryer Corp. MLS-460. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit American Dryer Corp. MLS-460.

Manuels d’utilsiation similaires

Manuel d’utilisation complet de l’appareil American Dryer Corp. MLS-460, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser American Dryer Corp. MLS-460 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs American Dryer Corp. MLS-460.

Le manuel d’utilisation complet American Dryer Corp., devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel American Dryer Corp. MLS-460 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières American Dryer Corp. MLS-460, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lAmerican Dryer Corp. MLS-460 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil American Dryer Corp. MLS-460 - qui devraient nous aider dans les premières étapes lors de l'utilisation American Dryer Corp. MLS-460
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de American Dryer Corp. MLS-460
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service American Dryer Corp. MLS-460 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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