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36

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.

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Summary of Contents for T4190

Page 1: ...487 05 42 91 EN 2010 05 28 Service manual Tumble dryers T4190 Type N1190 Compass Control From machine no 04190 0100000 Service manual in original language ...

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Page 3: ...nnecting accessory systems 27 Connection to network Central Panel 28 Programming 29 Replacement of PCB 30 Sensors and overheating thermostats 33 Overview inlet air 33 Inlet air Overheating thermostat 34 Inlet air Thermistor element PT100 sensor 35 Overview outlet air 36 Outlet air Overheating thermostat 37 Outlet air Thermistor element NTC sensor 38 Door switch 39 Loading door switch 39 Motor and ...

Page 4: ...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: ...he machine as soon as they are dried This prevents them from becoming creased and reduces the risk of spontaneous ignition If the machine develops a fault this must be reported to the person in charge as soon as possible This is important both for your safety and that of others The machine must not be located where a door sliding door etc can block the machine s door The machine is not intended to...

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Page 7: ... 50 rpm Capacity Factor 1 25 7 5 kg 7 5 kg Factor 1 33 5 8 kg 5 8 kg Heat effect Electric heating 6 0 kW 6 6 kW 8 0 kW 8 0 kW Air consumption Heat effect 6 0 kW 6 6 kW 270 m3 h 270 m3 h Heat effect 8 0 kW 8 0 kW 290 m3 h 290 m3 h Piping Evacuation Ø 125 Ø 125 Gas piping ISO 7 1 R 1 2 Pressure drop Evacuation 6 0 kW 6 6 kW 380 Pa 380 Pa 8 0 kW 8 0 kW 350 Pa 350 Pa Sound power level Lw 68 dB A 68 dB...

Page 8: ...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: ...ng Drum reversing for less tangling of large items Service program for adjustment parameters eg temperatur cool down time Dryer functions monitoring errors occurred during the program sequence are registered in the log Some of the error codes are shown on the display at the same time RMC Residual Moisture Control the dryer stops automatically when the clothes have reached the required residual moi...

Page 10: ...witch Knob operation Turn and select by using the knob and the following appears Program selection Start button Language selection Coin drop card reader The dryer is available with a factory installed coin drop a factory installed card start system or it can be prepared for field installation of a card start system On vending models insertion of a coin or card buys an owner programmed drying time ...

Page 11: ...ontactor heat 6 K1 Contactor drum right 7 K2 Contactor drum left 8 K3 Relay fan 9 Cn X Y Capacitor 10 RC RC unit 11 C Motor operating capacitor 12 F10 Fuse F10A 200 240V 3AC 200 230V 1AC 1 B1 Connection terminal 2 Ext Connection max 1 25A 230 240V AC 3 TR1 Transformer 4 K9 Contactor heat 5 K4 Contactor heat 6 RL Relay door 7 F10 Fuse F 6 3 A 8 C Motor operating capacitor 9 Cn X Y Capacitor 10 RC R...

Page 12: ...ight 7 K2 Contactor drum left 8 K3 Contactor fan 9 Cn X Y capacitor 10 RC RC unit 400 480V 3 AC without N 1 B1 Connection terminal 2 Ext Connection max 1 25A 230V AC 3 TR1 Transformer 4 K9 Contactor heat 5 K4 Contactor heat 6 K1 Contactor drum right 7 K2 Contactor drum left 8 K3 Relay fan 9 Cn X Y Capacitor 10 RC RC unit 11 C Motor operating capacitor 400 480V 3 AC N Description of principal compo...

Page 13: ...rum right 5 K2 Contactor drum left 6 K3 Relay fan 7 RC RC unit 8 C Motor operating capacitor Fan 1 B1 Connection terminal 2 Ext Connection max 1 25A 200 240V AC 3 TR1 Transformer 4 K1 Contactor drum right 5 K2 Contactor drum left 6 K3 Relay fan 7 RC RC unit 8 C2 Motor operating capacitor fan 9 C1 Motor operating capacitor drum 200 240V 3AC 400 415V 3 AC with N 230 240V 1 AC ...

Page 14: ...rincipal components 1 2 3 7 7 7 4 5 6 1 B1 Connection terminal 2 Ext Connection max 100 mA 110V 3 TR1 Transformer 4 K1 Contactor drum right 5 K2 Contactor drum left 6 K3 Contactor fan 7 RC RC unit 400 480V 3 AC without N ...

Page 15: ...otor operating capacitor fan 11 F10 Fuse F10A 12 S2 Air pressure switch 13 A24 Distribution card 230 240V 3AC 200V 3AC 1 B1 Connection terminal 2 Ext Connection max 1 25A 200V AC 3 T11 Transformer 4 K9 Contactor heat 5 K4 Contactor heat 6 K1 Contactor drum right 7 K2 Contactor drum left 8 K3 Contactor fan 9 Cn X Y Capacitor 10 C Motor operationg capacitor fan 11 F10 Fuse F10A 12 S2 Air pressure sw...

Page 16: ...tor fan 11 F10 Fuse F10A 12 S2 Air pressure switch 13 A24 Distribution card 14 C Motor operating capacitor drum 15 Distr Connectors heating 230 240V 1AC 400 415V 3AC N 1 B1 Connection terminal 2 Ext Connection max 1 25A 230V AC 3 T11 Transformer 4 K9 Contactor heat 5 K4 Contactor heat 6 K1 Contactor drum right 7 K2 Contactor drum left 8 K3 Contactor fan 9 Cn X Y Capacitor 10 C Motor operationg cap...

Page 17: ...tactor drum left 8 K3 Contactor fan 9 Cn X Y Capacitor 10 S2 Air pressure switch 11 A24 Distribution card 200 240V 3AC 400 415V 3AC N 1 B1 Connection terminal 2 Ext Connection max 1 25A 200 240V AC 3 T11 Transformer 4 K1 Contactor drum right 5 K2 Contactor drum left 6 K3 Contactor fan 7 C Motor operationg capacitor fan 8 S2 Air pressure switch 9 A24 Distribution card 400 480V 3AC without N ...

Page 18: ...ft 6 K3 Contactor fan 7 C Motor operating capacitor drum 8 C Motor operating capacitor fan 9 S2 Air pressure switch 10 A24 Distribution card 1 B1 Connection terminal 2 Ext Connection max 100mA 110V 3 T11 Transformer 4 K1 Contactor drum right 5 K2 Contactor drum left 6 K3 Contactor fan 7 S2 Air pressure switch 8 A24 Distribution card 230 240V 1AC 400 480V 3AC without N ...

Page 19: ...t button is pressed 2 Test run Check that the fan drum rotation and heat all stop when the door is opened max 40 mm Maintenance The following should be carried out at regular intervals depending on the frequency of use Daily Check that the drum stops when the door is opened Check that the lint screen under the door has been cleaned Use a soft brush or your hand fig 2 Check that the lint screen is ...

Page 20: ...t at least once each month It is recommended that the glide surfaces are cleaned every third to sixth month or as re quired See fig 2 Quarterly Semi annually Check that the fresh air intake at the rear of the tumble is not clogged by lint or blocked in any other way Check that the filter is not broken If the filter is defective it needs replacing At least once a year a skilled expert should check ...

Page 21: ...ying time For brief evacuations and where there are high airflows the tumble dryer must be adjusted to optimal flow One way in which this can be done is by using an Iris valve a valve specially designed to regulate airflow Table with air volume and dryer effect Optimum volume Air volume The curves on the next page shows the characteristics of the dryer By measuring or calculating the back pressure...

Page 22: ...22 Optimizing the air flow X Air consumption Y Back pressure The grey area marks the recommended working area Adjusting the dryer Diagram with pressure drop curve type T4190 T4190 6 kW T4190 8 kW ...

Page 23: ...0 25 1 95 Germany LPG 50 30 1 3 A GNH 20 8 2 2 35 GNL 20 12 1 2 35 Holland LPG 30 30 1 3 A GNL 25 12 1 2 35 Austria LPG 50 30 1 3 A GNH 20 8 2 2 35 Japan LPG 28 28 1 3 A Denmark Town gas 8 4 5 3 95 B Sweden Group a Italy Town gas 8 3 5 3 95 B Group b Gas installation Tables of pressure and adjustments Note Because of the differences in gas installation regulations in European Union it is important...

Page 24: ...n Nozzle Nozzle Air Pressure Pressure Restrictors Denmark LPG 30 30 1 45 A Norway GNH 20 9 2 65 Sweden Finland Italy LPG 28 37 28 37 1 45 A England GNH 20 9 2 65 Spain Portugal Ireland Greece France LPG 28 37 28 37 1 45 A Belgium GNH 20 25 20 25 2 2 GNL 20 25 20 25 2 2 Germany LPG 50 30 1 45 A GNH 20 9 2 65 GNL 20 13 4 2 65 Holland LPG 30 28 8 1 25 A GNL 25 13 4 2 65 Austria LPG 50 30 1 25 A GNH 2...

Page 25: ... all items that can cause static discharge such as plastic bags fabric and the like away from the circuit board Items like plastic foam plastic nylon or cellophane wrapping are all big generators of static electricity Static electricity can not be felt heard or seen till the voltage reaches 2500V Board components can be damaged by static electricity under 100V ...

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Page 27: ... 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 Connecting accessory systems Different payment systems can be connected to the PCB 1 ...

Page 28: ...anel a bushing for cables shall be installed See the installation manual enclosed the dryer 1 Disconnect the power 2 Remove the top plate 3 Pull the cable through the bushing and connect the cable fig 1 4 The cable can now be installed 5 After installing mount the top plate again Network connections External control ...

Page 29: ...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 The shaded areas indicate high voltage ...

Page 30: ...ect the power supply to the dryer 2 Remove the top plate to access the defected print board See earlier in this section 3 Remove the defective print board but keep the 5 nuts for later use Fig 1 4 Mount the new print board from the kit 5 Mount the nuts where shown and tighten Follow the instructions from the kit when programming Following settings have to be programmed see Compass Control Service ...

Page 31: ...e 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 ...

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Page 33: ...ing 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 1 ...

Page 34: ... be reset manually Resetting Electric and gas heated dryer fig 1 Fig 1 The overheating thermostat is located behind the back plate of the dryer in the top of the heating unit In order to reset the thermostat remove the back plate and press the reset button A on the thermostat Error code The following error code is related to this section E08 See Service Manual for Compass Control for more informat...

Page 35: ...the temperature rises The signal is returned to the PCB and this ensures that the inlet air does not become excessively hot thus preventing scorching of garments Replacement Electric and gas heated dryer fig 1 The element A is located in the top of the heating unit Fig 1 Remove the back plate Element A can now be replaced Error codes The following error codes are related to this section E03 E17 Se...

Page 36: ...s 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 1 ...

Page 37: ...rmostat opens automatically and has to be reset manually Resetting Electric and gas heated dryer fig 1 Fig 1 The overheating thermostat is located behind the back plate of the dryer at the bottom and on the right side of the dryer In order to reset the thermostat remove the back plate and press the reset button A on the thermostat Error code The following error code is related to this section E08 ...

Page 38: ... heating unit off when the outlet air thermistor indicates that the required temperature has been reached The resistance of this device is normally 4 to 6 kOhms at 20 C 68F and it drops as its temperature increases The sensor A is mounted on the same plate as the outlet air overheating thermostat Error codes The following error codes are related to this section E04 E18 See Service Manual for Compa...

Page 39: ...d the switch needs replacing Replacing door switch 1 Disconnect the power supply from the dryer 2 Remove the top panel 3 Unplug the plug A and cut the cable ties fig 1 4 Dismount the bracket with door switch B fig 1 5 Dismount the defective switch from the bracket and replace it with the new switch 6 Remount bracket with switch 7 Connect the plug 8 Re assemble the dryer 9 Test the new door switch ...

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Page 41: ...ower in case of overheating Error code E05 will then flash on the display When the motor cools down the overheating thermostat switches back on automatically Replacing the motor 1 Disconnect the power to the dryer 2 Demount the back plate 3 Demount the spring 4 Demount the drive belt 5 Demount the multiple plug fig 1 6 Demount the motor by unscrewing the 2 screws fig 2 7 Now replace the complete m...

Page 42: ... if necessary remove burr with a file 9 Mount plastic bearing ring E 10 Mount idler bearings washer and snap ring on arm 11 Fig 3 Mount arm G with idler and washer on the motor 12 Mount snap ring D 13 Mount transmission belt C 14 Fig 4 Mount new spring It is important that the spring is mounted in the outer hole 15 Mount the complete motor 16 Mount drum belt 17 Assemble the dryer and test it 18 Ch...

Page 43: ... 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 2 4 Remove the fan house fig 3 5 Unscrew the fan house D and turn fan motor on bottom plate E upside down fig 4 ...

Page 44: ...See schedule below fig 6 7 6 Dismount the motor Unscrew the four screws on the bottom plate fig 5 Spare part numbers Voltage 487 17 11 03 400 415V 3 AC 50 Hz 400 480V 3 AC 60 Hz 487 04 11 04 230 240V 1 AC 50 60 Hz 230V 3 AC 50 60 Hz 400 415V 3 N 50 Hz 487 04 11 05 200V 3 AC 50 60Hz 7 6 5 Motor and transmission ...

Page 45: ...ct 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 Unscrew these three screws on the right side and three screws on the left side of the fan house fig 2 4 Remove the fan house fig 3 5 Remove the cover plugs and bushing Unscrew and remove the fan inlet E D ...

Page 46: ...chedule below fig 6 7 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 Spare part numbers Voltage 487 17 11 03 400 415V 3 AC 50 Hz 400 480V 3 AC 60 Hz 487 04 11 04 230 240V 1 AC 50 60 Hz 230V 3 AC 50 60 Hz 400 415V 3 N 50 Hz 487 04 11 05 200V 3 AC 50 60Hz 7 6 5 F G ...

Page 47: ...overheating thermostats connected in series one 180 C and one 90 C which switches off in case of overheating and error code E08 flashes in the display fig 2 The switching on reset must be done manually but first the cause of the error must be detected and the switched off overheating thermostat must be found This error is often caused by reduction of the air circulation in the dryer due to insuffi...

Page 48: ...el on the heating element for voltage and effect Replacing heating element 1 Disconnect the power to the dryer 2 Demount the back plate 3 Disconnect thermostat wires A fig 2 4 Disconnect the three connectors on the left side of the heating element box fig 3 5 Unscrew the four screws on both sides and the three at the top of the heating element box fig 4 1 2 3 4 A V2 V6 V4 ...

Page 49: ...ver 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 5 6 7 ...

Page 50: ...w the 6 screws on the cover plate at the back of the dryer 1 Nozzle 2 Measuring branch nozzle pressure 3 Nipple 4 Adjusting screw 5 Control Box gas valve 6 Measuring branch supply pressure Test run Loosen the measuring branch screw 2 anti clockwise a 1 4 of a turn Connect a manometer to measuring branch 2 Select a programme that uses heat Start the dryer Check the nozzle presure see tables in sect...

Page 51: ... the nozzle fig 2 4 Unscrew the 8 screws of the heat element box 5 Lift the cover upwards and pull it to the right still sitting on the edge 6 Dismount the nozzle and replace it with the right dimension see tables in section Adjusting the dryer chapter Gas installation 7 Assemble in the opposite order as described above Replacing gas burner Before starting follow the steps on the previous page cha...

Page 52: ...Before starting follow the steps on the previous page chapter Before replacement 1 Dismount the electrode wire on the left side of the heat box see previous page 2 Loosen the compression nut fig 2 3 Dismount the earth conductors on the valve fig 3 4 Unscrew the control box lid and pull out the box fig 3 5 Unscrew the 2 screws and pull out the gas valve and mount the new valve 6 Assemble in the opp...

Page 53: ...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 1 Flame sensor 1 Disconnect the flame sensor which is located on the right side of the heat box 2 Unscrew the 2 screws and pull out the flame sensor and replace it fig 2 2 1 ...

Page 54: ...to be converted to town gas 6 kW use the air reducing plate and the matching nozzle To change the reducing plate follow step 1 5 in the chapter Changing the nozzle Subsequently mount the plate in the 4 holes and then follow step 6 7 see fig 2 Town gas 8 kW If the dryer is to be converted to town gas 8 kW use the air reducing plate and the matching nozzle To change the reducing plate follow step 1 ...

Page 55: ...fig 2 The distance must be 3 mm 0 5 mm The sensor the ionization must detect the flame The control box could be defective Replace the defective control box fig 3 4 Gas heating problems often occur due to shortage in the air supply It is therefore very important that the air supply to the room is sufficient A rule of thumb for dimensioning the room s air inlet is that the air inlet opening must be ...

Page 56: ...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 If the dryer however has to be reset more than three times it has to be put out of order and a service technician must be called does not apply for Japan 1 Gas reset button ...

Page 57: ...ts on two supporting rollers which are mounted on a supporting rail Replacing supporting rollers bearing or drum 1 Disconnect the power to the dryer 2 Demount top plate 3 Remove filter A fig 1 4 Remove door by demounting top hinge Note Only unscrew the two screws holding the hinge Do not unscrew screw A as it secures the thread plate on the back of the front plate Get a good grip on the door it is...

Page 58: ...ering 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 4 7 When replacing the supporting rollers demount the shaft screws from the supporting rail by unscrewing the nuts fig 4 Continued on the following page 4 3 ...

Page 59: ... 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 11 Carefully pull the drum out fig 7 12 When replacing the bearing unscrew the three nuts Bearing housing with bearing and triangular plate are loosened from the bottom of the drum fig 8 Continued on the following page 5 ...

Page 60: ...cing 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 Be careful if there is an RMC connector and wire on the drum casing If necessary protect them with tape mounting and positioning the drum in the dryer ...

Page 61: ...y lifting it away from the front Make sure to get a good grip on the door it is heavy 4 Demount T fitting B fig 1 5 Demount top plate 6 Loosen cable tie with cable C and mount on the opposite side fig 2 7 Move fitting with door switch D to the opposite side fig 3 8 Move door handle to the opposite side of the door and screw cover screws into holes 9 Mount T fitting A at the bottom of the right sid...

Page 62: ...62 Cabinet door reversal 4 E ENote Refer to the section door switch in case of doubt or incorrect function ...

Page 63: ...eans of the collector graphies which conduct the measuring signal to the Process Module One of the collector graphies is connected to a lifter and the other one to the drum casing A weak measuring current is sent through the garments which are in touch with the lifter and as the resistance increases gradually as the garments are getting more and more dry the measuring signal is ready for onward pr...

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Page 65: ...rubber tube A and measure the under pressure in the drum compartment 3 After measuring the under pressure go to the specific error code for further trouble shoo ting Error code E15 If the under pressure is below 90Pa 1 Check the rubber tube A for lint obstruction 2 Refer to Service Manual Selecta Control for more information Error code E16 Troubleshoot the pressure switch when the dryer is not ope...

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Page 68: ...Electrolux Laundry Systems Sweden AB 341 80 Ljungby Sweden www electrolux com laundrysystems Share more of our thinking at www electrolux com ...

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