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Electrolux T4190 Service Manual

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Service manual
Tumble dryers
T4190
Type N1190
Compass Control
From machine no. 04190/0100000
Service manual in original language
487 05 42-91/EN
2010.05.28

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  Summary of Contents for Electrolux T4190

  • Page 1 Service manual Tumble dryers T4190 Type N1190 Compass Control From machine no. 04190/0100000 Service manual in original language 487 05 42-91/EN 2010.05.28...
  • Page 3: Table Of Contents

    Contents Contents Safety precautions ..................5 Technical data ....................7 Description of principal components ............9 Description ....................9 Programs - Compass Control ..............9 Loading door ..................10 Knob operation ..................10 Coin drop/card reader ................10 Motor ..................... 10 Periodic maintenance ................
  • Page 4 Contents Cabinet, door reversal ................61 Door reversal ..................61 RMC ......................63 RMC general ..................63 Pressure switch ..................65 The manufacturer reserves the right to make changes to design and com ponent specifications.
  • Page 5: Safety Precautions

    Safety Precautions Safety Precautions Do not dry unwashed items in the machine The machine is not to be used if industrial chemicals have been used for cleaning. Do not allow minors to use the machine. Do not hose down the machine with water. The machine's door lock must under no circumstances be bypassed.
  • Page 7: Technical Data

    Technical data Technical data - type T4190 Heating Electric Drum volume: 190 litres 190 litres Weight net: 103 kg 103 kg Drum: Diameter 680 mm 680 mm Depth 555 mm 555 mm Revolutions per minute 50 rpm 50 rpm Capacity: Factor 1:25 7.5 kg...
  • Page 8 Technical data Technical data - motor specifications Dryer with reversal: Fan motor: Effect 140 W Revolutions per minute: 50 Hz 2660 rpm 60 Hz 2860 rpm Drum motor: Effect 130 W Revolutions per minute: 50 Hz 2730 rpm 60 Hz 3330 rpm...
  • Page 9: Description Of Principal Components

    Description of principal components Description Dryer type T4190 is available as electric and gas heated.The dryer has a vent into the open air. Programs - Compass Control The dryer has a microprocessor. The microprocessor control has different functions including: • Drum reversing for less tangling of large items.
  • Page 10: Loading Door

    Description of principal components Loading door Normally the dryer has a right-hinged door. The door is, however, reversible (see section "cabinet, door reversal"). A door switch ensures that the dryer stops automatically if the dryer is opened during the program sequence, see section "door switch". Knob operation Turn and select by using the knob and the following appears: •...
  • Page 11 Description of principal components 200-240V 3AC Connection terminal Connection max. 1,25A 200-240V AC Transformer Contactor, heat Contactor, heat Contactor (drum right) Contactor (drum left) Relay (fan) X/Y Capacitor RC unit Motor operating capacitor Fuse F10A 200-230V 1AC Connection terminal Connection max 1,25A 230-240V AC Transformer Contactor, heat...
  • Page 12 Description of principal components 400-480V 3 AC + N Connection terminal Connection max 1,25A 230V AC Transformer Contactor, heat Contactor, heat Contactor (drum right) Contactor (drum left) Relay (fan) X/Y Capacitor RC unit Motor operating capacitor 400-480V 3 AC without N Connection terminal Connection max 100 mA 110V AC...
  • Page 13 Description of principal components 200-240V 3AC 400-415V 3 AC with N Connection terminal Connection max. 1,25A 200-240V AC Transformer Contactor (drum right) Contactor (drum left) Relay (fan) RC unit Motor operating capacitor (Fan) 230-240V 1 AC Connection terminal Connection max. 1,25A 200-240V AC Transformer Contactor (drum right)
  • Page 14 Description of principal components 400-480V 3 AC- without N Connection terminal Connection max. 100 mA 110V Transformer Contactor (drum right) Contactor (drum left) Contactor (fan) RC unit...
  • Page 15 Description of principal components From machine No. 4190/0106772 Connection terminal 230-240V 3AC Connection max. 1,25A 200-240V AC Transformer Contactor, heat Contactor, heat Contactor (drum right) Contactor (drum left) Contactor (fan) X/Y Capacitor 10. C Motor operating capacitor (fan) 11. F10 Fuse F10A 12.
  • Page 16 Description of principal components Connection terminal 230-240V 1AC Connection max. 1,25A 230-240V AC Transformer Contactor, heat Contactor, heat Contactor (drum right) Contactor (drum left) Contactor (fan) X/Y Capacitor 10. C Motor operating capacitor (fan) 11. F10 Fuse F10A 12. S2 Air pressure switch 13.
  • Page 17: 400-480V 3Ac Without N

    Description of principal components Connection terminal 400-480V 3AC without N Connection max. 100mA 110 AC Transformer Contactor, heat Contactor, heat Contactor (drum right) Contactor (drum left) Contactor (fan) X/Y Capacitor 10. S2 Air pressure switch 11. A24 Distribution card Connection terminal 200-240V 3AC Connection max.
  • Page 18: Contactor (Fan)

    Description of principal components Connection terminal 230-240V 1AC Connection max. 1,25A 200-240V AC Transformer Contactor (drum right) Contactor (drum left) Contactor (fan) Motor operating capacitor (drum) Motor operating capacitor (fan) Air pressure switch 10. A24 Distribution card Connection terminal 400-480V 3AC without N Connection max.
  • Page 19: Periodic Maintenance

    Periodic maintenance Functional inspection Functional inspection comprises: 1. Checking the door switch. 2. Test run. 1. Check the door switch Check whether the safety lock works. The drum must stop when the door is opened. When the door is closed again, the tumbler must not start until the start button is pressed.
  • Page 20 Periodic maintenance Monthly Dryer with RMC In order for the residual humidity control to work in an optimal manner it is important that the lift rolls inside the drum and the glide surfaces for the graphite carbon are cleaned. If these surfaces are not cleaned the automatic residual humidity control can be degraded resul- ting in the garment being damper than required at the conclusion of the programme.
  • Page 21: Optimizing The Air Flow

    Optimum Corresponding air volume back pressure T4190 Air volume The curves on the next page shows the characteristics of the dryer. By measuring or calculating the back pressure of the outlet pipe it is hereby possible to find the corresponding air flow into the room and through the dryer and exhaust.
  • Page 22: Adjusting The Dryer

    Optimizing the air flow Adjusting the dryer: Diagram with pressure drop curve type T4190. X = Air consumption Y = Back pressure The grey area marks the recommended working area. T4190 6 kW T4190 8 kW...
  • Page 23: Gas Installation

    Optimizing the air flow Gas installation Tables of pressure and adjustments. T4190 heat effect: 6 kW Gas type Connection Nozzle Nozzle Pressure Pressure Restrictors Denmark Norway 2.35 Sweden Finland Italy 28/37 28/37 England 2.35 Spain Portugal Ireland Greece France 28/37...
  • Page 24 Optimizing the air flow Gas installation Tables of pressure and adjustments. T4190 heat effect: 8 kW Gas type Connection Nozzle Nozzle Pressure Pressure Restrictors Denmark 1.45 Norway 2.65 Sweden Finland Italy 28/37 28/37 1.45 England 2.65 Spain Portugal Ireland Greece...
  • Page 25 Circuit boards MUST be protected from static electricity! Remember! • Always use an earthed wrist strap. • Without the antistatic wrapping, the board is unprotected. • Keep all items that can cause static discharge (such as plastic bags, fabric, and the like) away from the circuit board. •...
  • Page 27: Controls

    Controls Printed circuit board The PCB is placed behind the operating panels, fig. 1. The PCB contains a board with display, indicator lamps. The PCB contains a button A for Switching to Programming mode, See description in Service Manual for Compass Control. The PCB contains a button B for gas reset (Only activated on gas dryer).
  • Page 28: Connection To Network/Central Panel

    Controls Connection to network/Central Panel Fig. 1. If several dryers are to be connected to a network/Central Panel a bushing for cables shall be installed. See the installation manual enclosed the dryer. 1. Disconnect the power. 2. Remove the top plate. 3.
  • Page 29: Programming

    Controls Programming To enter the programming mode press service button A. After pressing the service button A the display shows: 0 -- = Group 0. Program the dryer, see Service Manual for Compass Control for programming details. High voltage on the printed circuit board Do not touch the printed circuit board.
  • Page 30: Replacement Of Pcb

    Controls Replacement of PCB The PCB is not serviceable. It must be replaced if it fails, see Compass Control service manual. The PCB can be ordered as a spare part. The spare part consists of: Printed circuit board with fuses in anti-static packing and instructions.
  • Page 31 Controls Service Manual for Compass Control Certain parameters need to be set after installation, according to the characteristics of the dryer and the preferences of the owner. See Service Manual for Compass Control for further details.
  • Page 33: Sensors And Overheating Thermostats

    Sensors and overheating thermostats Overview, Inlet air Position of sensors and overheating thermostats for inlet air. Fig. 1. Overheating thermostat and thermistor element, electric heated dryer. On the following pages manual resetting is described.
  • Page 34: Inlet Air - Overheating Thermostat

    Sensors and overheating thermostats Inlet air - Overheating thermostat Function The inlet overheating thermostat opens in the event of overheating, and shuts off the dryer. The thermostat has to be reset manually. Resetting Electric and gas heated dryer, fig. 1. Fig.
  • Page 35: Inlet Air - Thermistor Element (Pt100 Sensor)

    Sensors and overheating thermostats Inlet air - Thermistor element (PT100 sensor) Function The thermistor element measures the temperature of the heated air entering the drum. The resistance of this device is normally 110 Ohms at 20°C (68°F) and increases as the temperature rises.
  • Page 36: Overview, Outlet Air

    Sensors and overheating thermostats Overview, Outlet air Positioning sensors and overheating thermostats for outlet air. Fig. 1. Overheating thermostat and thermistor element, electric and gas heated dryers. On the following pages replacement and manual resetting are described.
  • Page 37: Outlet Air - Overheating Thermostat

    Sensors and overheating thermostats Outlet air - Overheating thermostat Function The outlet air overheating thermostat is located in the outlet air flow. The overheating thermostat ensures that the dryer does not overheat during program operation. The thermostat opens automatically and has to be reset manually. Resetting Electric and gas heated dryer, fig.
  • Page 38: Outlet Air - Thermistor Element (Ntc Sensor)

    Sensors and overheating thermostats Outlet air - Thermistor element (NTC sensor) Function The sensor measures the temperature in the outlet air and the signal is returned to the main circuit board. The main circuit board turns the heating unit off when the outlet air thermistor indicates that the required temperature has been reached.
  • Page 39: Door Switch

    Door switch Loading door switch A switch is placed opposite the door hinges at the door. The switch ensures that the dryer will stop if the loading door is opened during operation. If the dryer does not stop when the loading door is opened, the switch needs replacing. Replacing door switch 1.
  • Page 41: Motor And Transmission

    Motor and transmission Motor description The motor is located in the bottom of the dryer. The drive belt of the drum is connected to the idler mounted next to the motor shaft and a spring keeps the belt tightening constant. Overheating The motor has an integrated overheating thermostat which disconnects the power in...
  • Page 42 Motor and transmission Replacing parts on transmission 1. Disconnect the power supply from the dryer. 2. Dismount drum belt and motor. 3. Fig. 1. Dismount spring B. 4. Fig. 1. Dismount transmission belt C. 5. Fig. 1. Dismount snap ring D, washer and arm with idler.
  • Page 43: Replacement Fan Module

    Motor and transmission Replacement fan module: . Dismount the power to the dryer. 2. Disconnect motor plug A and the overheating thermostats B, disconnect the NTC sensor C, fig. 1. 3. Unscrew these two screws on the right side and three screws on the left side of the fan house, fig.
  • Page 44 Motor and transmission 6. Dismount the motor. Unscrew the four screws on the bottom plate, fig. 5. Note! Always check the number on the label . The new fan motor label no. has to be identical with the old one. See schedule below, fig.
  • Page 45 Motor and transmission Replacement fan module: From machine No: 4190/0106772 . Dismount the power to the dryer. 2. Disconnect motor plug A and the overheating thermostats B, disconnect the NTC sensor C, fig. 1. Disconnect the pressure hose D from the fan inlet. 3.
  • Page 46 Motor and transmission 6. Turn fan motor on bottom plate F upside down, fig. 5. Unscrew the five screws G on the bottom plate and dismount the motor. Note! Always check the number on the label . The new fan motor label no.
  • Page 47: Heating

    Heating Electric heated dryers The electric heating element A is located in the bottom of the chimney, fig. 1. The air is drawn through the louvres on the back plate and on to the heating element. The heated air passes through the garments and the drum vents.
  • Page 48 Heating Continued from the previous page There are different types of heating elements depending on voltage and effect, fig. 1: To order the correct heating element, see label on the heating element for voltage and effect. Replacing heating element 1. Disconnect the power to the dryer. 2.
  • Page 49 Heating 6. Lift the cover upwards and take it away from the dryer. fig. 5. 7. Turn the box upside-down and unscrew the four screws, fig. 6. 8. Demount the heating element, fig. 7. 9. Mount the new heating element in the opposite order as described above.
  • Page 50: Gas Heated Dryers

    Heating Gas heated dryers General The gas burner, the gas valve and the nozzle are located at the back of the dryer, fig. 1. Before replacement 1. Shut off the manual gas valve. 2. Disconnect the electrical power supply. Overheating fuse (See section "Sensor and overheating thermostats).
  • Page 51 Heating Changing to natural gas/bottled gas If the machine is to be converted to another type of gas, the gas nozzle must be replaced, see tables in section "Adjusting the dryer", chapter "Gas installation". Changing the nozzle Before starting follow the steps on the previous page, chapter "Before replacement".
  • Page 52 Heating 4. On the right side of the heat box unscrew the 2 screws which are located at the bottom of the heat box. Loosen the 2 screws above, fig. 1. 5. Pull out the gas burner and replace it. 6.
  • Page 53 Heating Replacing the ignition electrode/flame sensor Before starting follow the steps on the previous page, chapter "Before replacement". Ignition electrolde 1. Disconnect the ignition electrode which is located on the left side of the heat box. 2. Unscrew the 2 screws and pull out the ignition electrode and replace it, fig.
  • Page 54: Converting To Another Type Of Gas

    Heating Converting to another type of gas If the dryer is to be converted to another type of gas, the gas nozzle and the air reducing plate must be replaced, see tables in section "Adjusting the dryer", chapter "Gas installation". If the dryer is to be converted to LPG, use the air reducing plate and the matching nozzle.
  • Page 55: Gas Error

    A rule of thumb for dimensioning the room’s air inlet is that the air inlet opening must be 5 times the size of the air outlet opening. To read more about the evacuation system see the installation manual for T4190. 3 mm Control box...
  • Page 56 Heating Gas error reset (E 14) When resetting gas error E-14 the dryer must operate on a program with heat The gas reset button is located on the CPU board under the top cover on the front of the dryer, fig. 1. The dryer must only be reset 3 times.
  • Page 57: Drum With Bearing

    Drum with bearing Description The drum is rear suspended in a bearing where the bearing housing is mounted in the bottom of the drum. The bearing shaft is mounted on the chimney. At the front the drum rests on two supporting rollers which are mounted on a supporting rail.
  • Page 58 Drum with bearing Replacing supporting rollers, bearing or drum (continued from the previous page) 5. Fig. 3 Demount front plade by removing: 8 covering buttons 12 screws 2 clips securing the panel Remove door switch wires and Control PCB. 6. Loosen the supporting rail with supporting rollers by unscrewing the 4 screws in the sides, fig.
  • Page 59 Drum with bearing Replacing supporting rollers, bearing or drum (continued from the previous page) 8. Demount bearing cover and center screw with disc, fig. 5. 9. Remove the big belt around the drum disengaging it from the drum, fig. 6. 10.Lift the collector graphites from the drum and fixate them in a position disengaging from the drum .
  • Page 60 Drum with bearing Replacing supporting rollers, bearing or drum (continued from the previous page) 13. Mount in opposite order. Note! Before replacing the drum: • Make sure the collector graphies are still fixed in a retracted position. • The big belt must be positioned loosely in the back of the cabinet so it can be moved freely over the drum.
  • Page 61: Cabinet, Door Reversal

    Cabinet, door reversal Door reversal The door reversal illustrated below is on a left- hinged door: 1. Disconnect the power to the dryer. 2. Demount T-fitting A and screw the screws back into the same holes (in order to secure the plate on the back), fig.
  • Page 62 Cabinet, door reversal ENote! Refer to the section "door switch" in case of doubt or incorrect function.
  • Page 63: Rmc

    RMC general RMC is a measuring method used to stop the dryer when the garments are dry. The current dryness/moisture of the garments is continuously measured and the drying sequence is brought to an end when the pre- set level has been obtained. The measuring signal is collected from the steel bands by means of the collector graphies which conduct the measuring signal to the...
  • Page 65: Pressure Switch

    Pressure switch Pressure switch Air pressure switch Function The air pressure switch ensures the necessary airflow in the dryer. Adjustment The pressure switch is not adjustable. If it fails it has to be replaced. Error code E15 or E16 general If the error code E15 or E16 is displayed it is important first to check the under pressure in the drum compartment.
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