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Wascomat TD67 Service Manual
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Wascomat TD67 Service Manual

Wascomat TD67 Service Manual

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Service Manual
DOC. NO. 438 9038-15/US
EDITION 2011.06.09
Tumble dryer
TD67
Wascomat provides efficient washers, dryers, flatwork ironers and wetcleaning
systems in a size and model for every laundry and wetcleaning need!

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Summary of Contents for Wascomat TD67

  • Page 1 Service Manual DOC. NO. 438 9038-15/US EDITION 2011.06.09 Tumble dryer TD67 Wascomat provides efficient washers, dryers, flatwork ironers and wetcleaning systems in a size and model for every laundry and wetcleaning need!
  • Page 2 461 Doughty Blvd., Inwood, N.Y. 11096-0338 | Sales and Administration – Tel: 516-371-4400 • Fax: 516-371-4204 • e-mail: sales@wascomat.com Spare Parts – Tel: 516-371-2000 • Fax: 516-371-4029 • e-mail: parts@wascomat.com | Technical Support – Tel: 516-371-0700 • Fax: 516-371-4029 En Mexico: Llame gratis a este numero 001-800-010-1010...
  • Page 3 Safety WARNING: ALL OPERATING AND MAINTENANCE PROCEDURES SHOWN ON THE NEXT PAGE OF THIS MANUAL MUST BE FOLLOWED DAILY FOR PROPER OPERATION OF YOUR MACHINE. PLEASE ENTER THE FOLLOWING INFORMATION AS IT APPEARS ON THE MACHINE(S) DATA PLATE(S). MACHINE TYPE OR MODEL MACHINE SERIAL NUMBER(S) ELECTRICAL CHARACTERISTICS:__________ VOLTS,_ ________ PHASE,_________ HZ.
  • Page 4 Safety NOTICE TO: OWNERS, OPERATORS AND DEALERS IMPROPER INSTALLATION AND INADEQUATE MAINTENANCE, POOR HOUSEKEEPING AND WILLFUL NEGLECT OR BYPASSING OF SAFETY DEVICES MAY RESULT IN SERIOUS ACCIDENTS OR INJURY. TO ASSURE THE SAFETY OF CUSTOMERS AND/OR OPERATORS OF YOUR MACHINE, THE FOLLOWING MAINTENANCE CHECKS MUST BE PERFORMED ON A DAILY BASIS.

  • Page 5: Notice To Installer

    Improper fastening of this machine to its foundation, inferior foundation materials, an undersized foundation, the use of fabricated steel bases not provided by Wascomat or its approved supplier(s), the use of an improper type, number, or size of mounting bolts, or failure to use proper hardware on mounting bolts may result in damage to the machine that will not be covered by the manufacturer's warranty.
  • Page 6 Safety WARNING – Risk of fire Clothes dryer installation must be performed by a qualified installer. Install the clothes dryer according to the manufacturer's instructions and local codes. Do not install a clothes dryer with flexible plastic venting materials. If flexible metal (foil type) duct is installed, use duct that has been investigated and found acceptable for use with clothes dryers.
  • Page 7 Safety Electrical Information It is your responsibility to have ALL electrical connections (including grounding) 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 electrical connections, material, and workmanship must conform to the applicable requirements of the NATIONAL ELECTRIC CODE ANSI/NFPA NO.

  • Page 8: Gas Information

    The dryer must be connected to the type of heat/ gas indicated on the dryer data label. If this information does not agree with the type of gas available, do not operate the dryer. Contact your local dealer or the Wascomat Sales Department. IMPORTANT: Any burner changes or conversions must be made by a qualified licensed professional.
  • Page 9 Safety Natural Gas The natural gas supply pressure to the dryer must be between 6 and 10 inches water column. If the pressure is too low, ignition failure and/or slow drying times may result. Excessively high supply pressure will result in erratic operation of the gas valves internal pressure regulator. The pressure measured at the pressure tap on the body of the gas valve must be for TYPE 30: 4.2- inches water column, TYPE 50: 3.2 -inches water column and TYPE 75: 3.2 -inches water column Propane Gas...

  • Page 11: Table Of Contents

    Contents Contents 1 Safety Precautions ......................13 2 Technical data ........................15 2.1 Drawing ........................15 2.2 Technical data......................16 2.3 Connections........................ 16 3 Machine presentation......................17 4 Function check ........................18 5 Sensors and overheating thermostats ................20 5.1 Inlet air........................20 5.1.1 Overheating thermostat ..................
  • Page 12 Contents 13 I/O modules........................92 13.1 General........................92 13.2 Replacement of I/O module..................94 13.3 External connections to I/O module type 2............... 96 13.4 Circuit diagram of function options for I/O module type 2......... 97 13.4.1 Central payment (22J) ..................97 13.4.2 Central payment (22J) ..................

  • Page 13: Safety Precautions

    Safety Precautions 1 Safety Precautions The machine is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the machine.
  • Page 14 Safety Precautions In order to prevent damage to the electronics (and other parts) that may occur as the result of condensation, the machine should be placed in room temperature for 24 hours before being used for the first time.

  • Page 15: Technical Data

    Technical data 2 Technical data 2.1 Drawing B(b) B(a) Operating panel Door opening, ⌀ 810 mm / ⌀ 31 7/8 inch Electrical connection Gas connection Exhaust connection Steam: in Steam: out B(a) B(b) 1315 1445 1855 1490 inch 37 13/16 51 3/4 56 7/8 73 7/16...

  • Page 16: Technical Data

    Technical data 2.2 Technical data Weight, net Drum volume litres 19.4 Drum diameter inch 35 15/16 Drum depth inch 31 1/2 Drum speed G-factor, max. 0.94 Capacity, filling factor 1:18 (Max. load) 30.5 Capacity, filling factor 1:22 (Recommended load) Heating: Electricity Heating: Gas Heating: Steam Air consumption, Electric heating, 24 kW...

  • Page 17: Machine Presentation

    Machine presentation 3 Machine presentation fig.W00268 ① Sensors and overheating thermostats Door Motor Heating unit Drum Program unit After a repair has been made Whenever a repair has been made, a function check must be performed before the machine can be used again.

  • Page 18: Function Check

    Function check 4 Function check May only be carried out by qualified personnel. A function check must be made when the installation is finished and before the machine can be used. Check the automatic stop of the machine • Start the machine. •...
  • Page 19 Function check If the direction is wrong, swop two of the three phases to the left on the connection terminal. fig.7119 ③ Check the heat • Let the machine work for five minutes on a program with heat. • Check that the heating is working by opening the door and feel if there is heat in the drum. Ready to use If all tests are OK the machine is now ready to be used.

  • Page 20: Sensors And Overheating Thermostats

    Sensors and overheating thermostats 5 Sensors and overheating thermostats 5.1 Inlet air 5.1.1 Overheating thermostat Function The inlet overheating thermostat is placed on the heating module on the back of the machine. The inlet overheating thermostat opens in the event of overheating and shuts off the machine. Resetting Disconnect the power to the machine.

  • Page 21: Heating Sensor (Pt100)

    Sensors and overheating thermostats 5.1.2 Heating sensor (PT100) Function The heating sensor is placed on the heating module on the back of the machine. The heating sensor measures the temperature in the inlet air and the signal is returned to the PCB. The PCB turns the heating unit off when the inlet air thermistor indicates that the required temperature has been reached.

  • Page 22: Outlet Air

    Sensors and overheating thermostats 5.3 Outlet air 5.3.1 Overheating thermostat Function The overheating thermostat is placed next to the fan motor on the back of the machine. The overheating thermostat ensures that the machine does not overheat during program operation. The overheating thermostat opens automatically and has to be reset manually.
  • Page 23 Sensors and overheating thermostats Replacement of overheating thermostat Disconnect the power to the machine. Demount the lower rear panel. Disconnect the overheating thermostat and remove it. Connect the new overheating thermostat. fig.W00251A ⑥ Remount the upper rear panel.

  • Page 24: Heating Sensor (Ntc-Sensor)

    Sensors and overheating thermostats 5.3.2 Heating sensor (NTC-sensor) Function The heating sensor is placed next to the fan motor on the back of the machine. The heating sensor measures the temperature in the outlet air and the signal is returned to the PCB. The PCB turns the heating unit off when the outlet air thermistor indicates that the required temperature has been reached.

  • Page 25: Vacuum Switch

    Sensors and overheating thermostats 5.3 Vacuum switch Function The vacuum switch is placed next to the heating module on the back of the machine. The vacuum switch ensures the necessary airflow in the machine. Replacement of vacuum switch Disconnect the power to the machine. Demount the upper rear panel.

  • Page 26: Door

    Door 6 Door 6.1 Door switch The door switch (A) ensures that the machine stops automatically if the door is opened during operation. If the machine does not stop when the door is opened or if the door is closed and the error code DOOR IS OPEN is displayed (and the machine is unable to start), for example, the door switch needs to be replaced.
  • Page 27 Door Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel. fig.7179A ⑪ Remove the door switch and door switch cable and mount the new one. ⑫ Connect the door switch cable and remount the front panel. Remount the door.
  • Page 28 Door Replacement of door magnets Remove the magnet to be replaced and mount the new one. fig.W00233 ⑬...

  • Page 29: Reversing The Door

    Door 6.2 Reversing the door Disconnect the power to the machine. Demount the hinges and remove the door. Remove the upper hinge first. fig.7166 ⑭ Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel.
  • Page 30 Door Move the door switch cable to the opposite site. Note! The plastic plug MUST be placed in the hole where the door switch cable was before. fig.7170 ⑯ Loosen the nuts and move the two brackets to the opposite side. fig.7171 ⑰...
  • Page 31 Door Move the door switch on the front panel. fig.7172 ⑱ Move the four metal clips from the right side to the left side. fig.7174 ⑲ Connect the door switch cable and remount the front panel. Fasten the hinges and mount the door on the opposite side than before. Connect the power to the machine.

  • Page 32: Motor

    Motor 7 Motor 7.1 Replacement of drum motor Disconnect the power to the machine. Demount the two rear panels. Cut necessary straps and disconnect the motor cable. fig.7215D ⑳ Demount the cover plate to the belt tensioner. fig.7219D...
  • Page 33 Motor Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom. fig.7218 Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B).
  • Page 34 Motor Demount the motor module. Carefully lift out the motor module and put it down with the fan motor cover downwards. fig.7216A Loosen the spring from the “motor arm”. Loosen the belt (C) from the “motor arm”. Turn the tension arm counter clockwise in the holes (D) to loosen it from the motor panel. fig.7217A...
  • Page 35 Motor Demount the motor by unscrewing the four screws. Mount the new motor. Tighten the screws crosswise (1, 4, 2 and 3) with tightening torque 16.5 Nm ± 3. fig.7221A In order to fasten the belt again, first loosen the four screws a bit. fig.490377800 Fasten the tension arm on the motor panel in the holes and turn it clockwise until it is in position.
  • Page 36 Motor Put the belt in position (C) and tighten the screws (1, 2, 3, 4 starting with 4). Check the belt tension with a frequency meater or similar. The frequency shall be 80 Hz ± 5. Adjust if necessary. fig.49077800A Remount the motor module in the machine.

  • Page 37: Replacement Of Fan Motor

    Motor 7.2 Replacement of fan motor Disconnect the power to the machine. Demount the lower rear panel. Cut necessary straps and disconnect the fan motor cable. fig.7235B Demount the fan motor module. Carefully lift out the fan motor module and put it down with the fan motor cover downwards.
  • Page 38 Motor Remove the screw and washer. fig.W00222A Use a puller to remove the fan from the fan motor. Demount the fan motor by unscrewing the four screws (1–4). Mount the new fan motor. Tighten the screws crosswise (1, 4, 2 and 3) with tightening torque 16.5 Nm ±...
  • Page 39 Motor Remount the fan on the fan motor. Put loctite on the screw and tighten with tightening torque 10 Nm ± 1.0 Nm). Make sure the shaft gets all the way to the bottom. Use a counterstay (A) in the center of the shaft so you do not damage the motor when remounting.

  • Page 40: Replacement Of Fan

    Motor 7.3 Replacement of fan Disconnect the power to the machine. Demount the lower rear panel. Cut necessary straps and disconnect the fan motor cable. fig.7235B Demount the fan motor module. Carefully lift out the fan motor module and put it down with the fan motor cover downwards.
  • Page 41 Motor Remove the screw and washer. fig.W00222A Use a puller to remove the fan from the fan motor. Mount the new fan. Remount the fan motor module in the machine. Connect the fan motor cable. Remount the lower rear panel.

  • Page 42: Heating Unit, Electric

    Heating unit, electric 8 Heating unit, electric 8.1 General Spare part number, effect and voltage are printed on each heating element. 8.2 Replacement of heating element Disconnect the power to the machine. Demount the upper rear panel. fig.7248C...
  • Page 43 Heating unit, electric Disconnect the heating sensor (PT100) and the overheat protection (1). Demount the heating module (2). Carerfully lift out the heating module and put it upside down with the heating elements facing upwards. fig.7280...
  • Page 44 Heating unit, electric Demount the “locking plates” below the heating elements. Disconnect the wires and remove the heating element. fig.7281 Connect the new element. Reconnect the wires as before, use the electric schematic supplied with the machine.

  • Page 45: Heating Unit, Gas

    Heating unit, gas 9 Heating unit, gas 9.1 Replacement of gas burner Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Unscrew the two screws to the bracket (A) holding the gas valve. Disconnect the heating sensor (PT100) and the overheat protection (B).
  • Page 46 Heating unit, gas Disconnect the earth cable. Disconnect the flame sensor and the ignition cable from the control box. fig.7273 Demount the gas unit and carefully lift out the gas unit. fig.7274...
  • Page 47 Heating unit, gas Demount the gas valve. fig.7275 Demount the two lock plates (A). Demount the two air reducing plates (B). Demount the two brackets (C). fig.7277...
  • Page 48 Heating unit, gas Loosen the screw and nut (D) holding the gas burner to remove the gas burner. fig.W00239B Mount the new gas burner with the nut and screw from the old one. Remount the two brackets (C), the two air reducing plates (B) and the two lock plates (A). Fasten the gas burner to the gas valve.

  • Page 49: Replacement Of Control Box

    Heating unit, gas 9.2 Replacement of control box Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Unscrew the screw to the control box. Disconnect the wires from the control box. fig.7269 Remove the control box and mount the new one.

  • Page 50: Replacement Of Gas Valve

    Heating unit, gas 9.3 Replacement of gas valve Shut off the manual gas valve and disconnect the gas inlet. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Unscrew the two screws to the bracket (A) holding the gas valve. Disconnect the heating sensor (PT100) and the overheat protection (B).
  • Page 51 Heating unit, gas Disconnect the earth cable (D). Disconnect the flame sensor and the ignition cable from the control box (E). fig.7273 Demount the gas unit and carefully lift out the gas unit. fig.7274...
  • Page 52 Heating unit, gas Demount the gas valve from the gas unit. fig.7275 Mount the new gas valve on the gas unit. Remount the gas unit in the machine. Connect the earth cable. Connect the flame sensor and the ignition cable on the control box. Fasten the screw to the control box.

  • Page 53: Replacement Of Flame Sensor

    Heating unit, gas 9.4 Replacement of flame sensor Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Disconnect the wire to the flame sensor. Demount the flame sensor. fig.7270 Mount the new flame sensor.
  • Page 54 Heating unit, gas Control measuring the ionization current Disconnect the wire to the flame sensor. Measure the current between the quick connector (A) and the ionization connector (B). The current must be at least 0.9 µA DC. fig.7271...

  • Page 55: Replacement Of Ignition Cable

    Heating unit, gas 9.5 Replacement of ignition cable Shut off the manual gas valve. Disconnect the power to the machine. Demount the two rear panels. fig.7215E Disconnect the ignition cable. Demount the ignition electrode. fig.7279 Mount the new ignition electrode and connect the ignition cable.
  • Page 56 Heating unit, gas Adjusting ignition electrode The distance from the ignition electrode to the gas burner must be 5 mm. The spark gap must be 3 mm. fig.W00238A...

  • Page 57: Converting Instructions

    Heating unit, gas 9.6 Converting instructions Not applicable for Japan. Disconnect the power to the machine. Demount the lower back panel. Remove the air reducing plates. Remove the nozzle (1). Mount the new supplied nozzle. Mount the new air reducing plates according to the table. fig.7182 Loosen the measuring branch screw (2) 1/4 turn;...

  • Page 58: Table Of Pressure And Adjustment

    Heating unit, gas Check that the gas flame burns evenly. Mount the cover screw (3). Remount the lower back panel. 9.7 Table of pressure and adjustment Gas category Heating power Inlet pressure Burner Injector size Air reducing Label number (BTH/h) (Wa") pressure (Wa") (mm)

  • Page 59: Test Run

    Heating unit, gas 9.8 Test run Loose the pressure measuring tap screw (2) 1/4 of a turn. Connect a manometer to the measuring tap. Select a program that uses heat. Start the machine. Check the nozzle pressure, see table. If necessary adjust the regulator setting screw (4) behind the cover screw (3). Replace the cover screw (3) if removed.

  • Page 60: Heating Unit, Steam

    Heating unit, steam 10 Heating unit, steam 10.1 Replacement of steam calorifier Disconnect the power to the machine. Shut off the steam and demount the steam inlet and outlet hose. Demount the two rear panels. fig.7236A Loosen the screws on the bracket that is holding the steam calorifier and push the bracket towards you.
  • Page 61 Heating unit, steam Mount the new steam calorifier. Tighten the screws a bit first when putting the steam calorifier in position. Loosen the screws again and push the steam calorifier and bracket inwards as far as possible. Tighten the screws when it is in position. Note! To prevent heat leakage it is important to put back the steam calorifier in correct position.

  • Page 62: Replacement Of Damper Motor

    Heating unit, steam 10.2 Replacement of damper motor Disconnect the power to the machine. Demount the upper rear panel. fig.7248D Demount the bracket (A) from the machine and demount the damper motor (B) from the bracket. Mount the new damper motor on the bracket and then remount the bracket on the machine. Note! If both of the damper motors is to be replaced.

  • Page 63: Drum

    Drum 11 Drum 11.1 Replacement of drum Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover plate to the belt tensioner. If the machine is equipped with RMC, demount the RMC (A). fig.7219B Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 64 Drum Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first. fig.7166...
  • Page 65 Drum Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel. fig.7179A Loosen the screws and remove the brackets. fig.7171B...
  • Page 66 Drum Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 67 Drum When mounting the new drum, first fasten the belt temporarely on the outer drum in the machine, then put the drum in position. fig.W00229 Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm.

  • Page 68: Replacement Of Bearing

    Drum 11.2 Replacement of bearing Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover plate to the belt tensioner. fig.7219D Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 69 Drum Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first. fig.7166...
  • Page 70 Drum Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel. fig.7179A Loosen the screws and remove the brackets. fig.7171B...
  • Page 71 Drum Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 72 Drum Carefully lift out the drum. Be careful not to damage the belt. Put the drum on the floor. 1. Shows a machine without RMC. Remove the bolts and washers (D) and mount the new bearing. Use tightening torque 5 Nm. 2.
  • Page 73 Drum Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm. Push the belt from the outer drum onto the inner drum and make sure it is in position. Fasten the belt (B) and the wire (A). Rotate the drum to make sure that the belt is in position. Tighten the belt tensioner with a torque wrench by pulling the tension plate (E) clockwise until it is in position.

  • Page 74: Replacement Of Belt

    Drum 11.3 Replacement of belt 11.3.1 Replacement of the belt around the drum Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover plate to the belt tensioner. On machines with RMC; demount the RMC (A). fig.7219B Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 75 Drum Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the pulley (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first. fig.7166...
  • Page 76 Drum Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel. fig.7179A Loosen the nuts and remove the brackets. fig.7171B...
  • Page 77 Drum Remove the screws and the bearing cover (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 78 Drum When remounting the drum, first fasten the new belt temporarely on the outer drum in the machine, then put the drum in position. fig.W00229 Fasten the bolt and the washer and remount the bearing cover. Use tightening torque 20 Nm ± 3 Nm. On machines with RMC;...
  • Page 79 Drum On machines with RMC; remount the RMC. Remount the cover plate and the rear panels. Note! The machine will NOT work without the cover plate. Remount the front panel and the door.

  • Page 80: Replacement Of The Belt Around The Motor Pulley

    Drum 11.3.2 Replacement of the belt around the motor pulley Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover plate to the belt tensioner. fig.7219D Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 81 Drum Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the pulley (B). fig.7220C Demount the motor module. Carefully lift out the motor module and put it down with the fan motor cover downwards.
  • Page 82 Drum In order to loosen the belt, first loosen the four screws a bit. fig.490377800 Loosen the belt (C) from the “motor arm”. fig.7224A Put the new belt in position (C) and tighten the screws. Start by tightening 1 and 3 a bit. Thighten 4 and check the belt tension with a frequency meater or similar.
  • Page 83 Drum Fasten the belt (B) and the wire (A). Rotate the drum to make sure that the belt is in position. Tighten the belt tensioner with a torque wrench by pulling the tension plate (E) clockwise until it is in position. Check the belt tension with a frequency meater or similar.

  • Page 84: Replacement Of Rear Sealing

    Drum 11.3 Replacement of rear sealing Disconnect the power to the machine. Demount the two rear panels. fig.7215E Demount the cover plate to the belt tensioner. fig.7219D Loosen the belt tensioner with a torque wrench by pulling the tension plate counter clockwise to the bottom.
  • Page 85 Drum Loosen the wire (A) between the spring and the pulley. Note! The wire can be sharp so it is recommended to use gloves. Loosen the belt around the drum (B). fig.7220C Demount the hinges and remove the door. Remove the upper hinge first. fig.7166...
  • Page 86 Drum Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel. fig.7179A Loosen the screws and remove the brackets. fig.7171B...
  • Page 87 Drum Remove the screws and the bearing house (A). 1. Shows a machine without RMC. Remove the bolt (B) and the washer (C). 2. Shows a machine with RMC. Loosen the screw and pull the RMC flange to the side in order to remove the bolt (B) and the washer (C).
  • Page 88 Drum Remove the screws and remove the outer sealing plate. fig.7358 Cut loose the rear sealing from the inner sealing plate. Put glue on the inner sealing plate and fasten the new rear sealing on the inner sealing plate. The rough side shall be fastened to the glue. fig.7359A Remount the outer sealing plate and fasten the screws.
  • Page 89 Drum When remounting the drum, first fasten the belt temporarely on the outer drum in the machine, then put the drum in position. fig.W00229 Fasten the bolt and the washer and remount the bearing house. Use tightening torque 20 Nm ± 3 Nm.

  • Page 90: Program Unit

    Program unit 12 Program unit 12.1 Description The program unit is electronic and comprises a circuit board containing microprocessor, program memory, serial interface to the motor control etc. The program unit receives its power from a separate voltage unit. fig.7356 The program unit receives information from the I/O boards about input like temperature sensors, RMC, vacuum, door status etc, and output like drum, fan and heat control.

  • Page 91: Connections

    Program unit 12.2 Connections The program unit board has the following connections: Board connector Function M-COM = Communication, motor control D-BUS = Databus D-BUS = Databus Tacho COIN = Input, coin meter EMERG = Input, emergency stop FREE = Free program (key switch) RS 232 = Serial communication Control knob, pulses USB TYPE A = Connection for software/service download...

  • Page 92: O Modules

    I/O modules 13 I/O modules 13.1 General The machine can be equipped with either one or two I/O modules: • I/O module type 8 is always installed in the machine at delivery. It coltrols internal machine functions and outputs to heating, motors etc. •...
  • Page 93 I/O modules Location The parameter software installed in the machine’s program device on delivery is specified at the front and back of the machine. Using this article number, you can find the program designation and thereby identify I/O module function options on the web. T5290 fig.W00274...

  • Page 94: Replacement Of I/O Module

    I/O modules 13.2 Replacement of I/O module I/O module type 8 and I/O module type 2 are installed in the same way. If the machine has I/O module type 2, it is located on I/O module type 8. The illustration shows replacement of I/O module type 8.
  • Page 95 I/O modules Insert the new module and make sure it is in position. Connect the electrical connections in the same way as before. If both I/O module type 8 and I/O module type 2 is to be replaced it is recommended to fit the modules together before mounting in the machine.

  • Page 96: External Connections To I/O Module Type 2

    I/O modules 13.3 External connections to I/O module type 2 Inputs The signal level may be 5 - 24V DC/AC or 100 - 240V AC. At 5 - 24V, the signal reference must be connected to 3 and at 100 - 240V to 4. Note! Do not mix potentials on the inputs.

  • Page 97: Circuit Diagram Of Function Options For I/O Module Type 2

    I/O modules 13.4 Circuit diagram of function options for I/O module type 2 13.4.1 Central payment (22J) To start the machine from a central payment system, the payment system must transmit a start pulse to the machine. The start pulse can be either 230V or 24V. In order to receive a feedback signal once the machine has started, 230V or 24V must be connected to connection 19.

  • Page 98: Central Payment (22J)

    I/O modules 13.4.2 Central payment (22J) The central payment of booking system shall transmit an active (high) signal to the machine once permission has been granted to start the machine. The signal must remain active (high) until the machine starts. The signal can be either 230V or 24V. In order to receive a feedback signal once the machine has started, 230V or 24V must be connected to connection 19.

  • Page 99: External Coin Meter/Central Payment (22K)

    I/O modules 13.4.3 External coin meter/Central payment (22K) The signal received from external coin meters must be a pulse. fig.7438...

  • Page 100: Price Reduction (22K)

    I/O modules 13.4.4 Price reduction (22K) By maintaining an activated (high) signal on connection 5 ("Price red"), the price of the program can be reduced. This function has a number of uses, including providing reductions during a specific period of the day. Whilst the signal remains active (high), the price of the program is reduced by the percentage entered in the price programming menu.

  • Page 101: Troubleshooting

    Troubleshooting 14 Troubleshooting 14.1 General The troubleshooting section is used to trace errors in the machine to a defective component or unit. There is a memory in the program unit that will save the selected program for approximately 3-5 minutes in the case of power cuts. The machine will restart automatically if the power is turned on again within this time.

  • Page 102: Error Code

    Troubleshooting 14.2 Error code An error in the program or in the machine is indicated on the display by an error code and a descriptive text. The error codes are divided into different groups called “Major” comprising different error codes called “Minor”.
  • Page 103 Troubleshooting Error code Text Major Minor INTERNAL COM. I/O COMMUNICATION...

  • Page 104: Description Of Error Codes And Causes

    Troubleshooting 14.3 Description of error codes and causes MAIN COMMON 10:11 REAL TIME CLOCK OUT OF ORDER The real time clock is used by the timer, measuring time, power failure, error codes, etc. The error code is activated if there is a time out in the communication with the internal real time clock in the timer or if the data sent to/from the real time clock is incorrect.

  • Page 105: Main Dryer

    Troubleshooting MAIN DRYER 12:1 O.H. THERMOSTAT - INLET AIR The error code is activated if the protection thermostat for inlet air has trigged due to overheating. The overheating thermostat for inlet air will be trigged at 195 °C. The overheating thermostat for inlet air needs to be mechanically restored. When the overheating thermostat for inlet air is restored it is possible to reset the error code from the timer by a short press on the control knob/start button and the ongoing program will continue.
  • Page 106 Troubleshooting 12:3 INLET AIR SENSOR - OPEN The error code is activated if the inlet air sensor (PT100) or its wires is open. If the inlet air temperature in the SHOW INPUTS menu show a temperature of 222 °C the inlet air sensor is open.
  • Page 107 Troubleshooting 12:5 OUTLET AIR SENSOR - OPEN The error code is activated if the outlet air sensor or its wires is open. If the outlet air temperature in the SHOW INPUTS menu show a temperature of -10 °C the outlet air sensor is open.
  • Page 108 Troubleshooting 12:8 CONDENSE WATER CONTAINER IS FULL The pump will run when a program starts for normally 15 seconds. Then it will run again after normally 3 minutes. The pump will also run if the input for the float is trigged. The error code is activated if the pump has tried to empty the condense water container without the signal from the float in the condense water container has been deactivated.
  • Page 109 Troubleshooting 12:12 DRYING ERROR WITH AUTOSTOP PROGRAM The error code is activated if the Auto Stop system does not register that the clothes are dry within the maximum drying time. When the error is trigged the machine will automatically go to the cooling module before the program ends.
  • Page 110 Troubleshooting 12:15 NO VACUUM The error code is activated if the vacuum/pressure switch (normally open) is not trigged within set time, normally 12 seconds. The error code is reset from the timer by a short press on the control knob/start button. A long press on the control knob/start button will make the timer reset and ongoing program will be ended.
  • Page 111 Troubleshooting 12:255 JUMPER 3 The error code is activated if the jumpers that has trigged the error code is missing. Jumpers are a by-pass of input not used in the machine. How many jumpers used is depending on configuration. When the jumper is restored the error code is automatically reset and the ongoing program will continue.

  • Page 112: Drum Motor Common

    Troubleshooting DRUM MOTOR COMMON 20:1 O.H. DRUM MOTOR The error code is activated if the overheating protection for the drum motor has trigged. The overheating protection is automatically restored. When the overheating protection is restored the error code is automatically reset and the ongoing program will continue. A long press on the control knob/start button will make the timer reset and ongoing program will be ended.

  • Page 113: Fan Motor Common

    Troubleshooting FAN MOTOR COMMON 30:1 O.H. FAN MOTOR The error code is activated if the overheating protection for blower motor has trigged. The overheating protection is automatically restored. When the overheating protection is restored the error code is automatically reset and the ongoing program will continue. A long press on the control knob/start button will make the timer reset and the ongoing program will be ended.

  • Page 114: Internal Com

    Troubleshooting INTERNAL COM. 40:21 I/O COMMUNICATION The error code is activated if the timer no longer communicate with one or more I/O boards. There is an internal data bus between the different I/O boards in the machine with information about inputs, outputs, etc.

  • Page 115: Maintenance

    Maintenance 15 Maintenance 15.1 Clean the fan, the exhaust duct and the fresh-air intake to the room Check that the following are not clogged by lint and dust or otherwise blocked and clean with a vacuum cleaner: • The fan. Be careful not to damage the fan. •...
  • Page 116 Maintenance Remove the screws on the front panel and carefully loosen the panel. Disconnect the door switch cable and remove the panel. fig.7179A Remove all lint around the drum with a vacuum cleaner. Check the support rollers (A) and replace if necessary. fig.7338 Connect the door switch cable and remount the front panel.

  • Page 117: Clean The Motors

    Maintenance 15.4 Clean the motors Disconnect the power to the machine. Demount the two rear panels. Clean the fan wheel on each motor with a vacuum cleaner. fig.7336A Demount the cover plate to the belt tensioner. Clean the area around the belt tensioner and the transmission with a vacuum cleaner. fig.7337A Remount the cover plate and the rear panels.

  • Page 118: Check The Belt Tension

    Maintenance 15.5 Check the belt tension Check the belt tension with a frequency meater or similar. The frequency shall be: A = 70 Hz± 5. Adjust if necessary. B = 80 Hz ± 5. Adjust if necessary. fig.7220B Remount the cover plate and the rear panels. Note! The machine will NOT work without the cover plate.
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  • Page 120 Wascomat provides efficient, quality washers, dryers, flatwork ironers and non-polluting wetcleaning equipment AUTOMA TIC FLA TWORK IRONERS FRONT -LOAD WASHER MODELS unique one-operator, fully automatic, labor saving, Solid and soft-mount, coin operated and commercial ironer that does it all: feeds, irons, folds, stacks and...
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