SOI/TD 2004-11 PR 26 599 36 44-44
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TABLE OF CONTENTS
1 Purpose of this manual ................................................................................................................................5
2 PRECAUTIONS ...........................................................................................................................................5
3 GENERAL CHARACTERISTICS.................................................................................................................5
4 CONTROL PANEL.......................................................................................................................................6
4.1 Start/Reset (S1) button......................................................................................................................6
4.2 Option (S2) button..............................................................................................................................6
5 WASHING PROGRAMMES.........................................................................................................................6
5.1 Options...............................................................................................................................................7
5.1.1 “1/2 load”.....................................................................................................................................................7
5.1.2 Delayed start...............................................................................................................................................7
5.2 Cancelling a programme....................................................................................................................7
5.2.1 Reset ..........................................................................................................................................................7
5.2.2 Interruption of a programme (pause) ..........................................................................................................7
5.3 Power failure......................................................................................................................................7
6 SEQUENCE OF OPERATION.....................................................................................................................8
7 HYDRAULIC CIRCUIT.................................................................................................................................9
8 ELECTRICAL COMPONENTS AND FUNCTIONS ...................................................................................10
8.1 EDW500 Electronic control system .................................................................................................10
8.1.1 Functions of the circuit board....................................................................................................................10
8.1.2 Memory in the control system ...................................................................................................................11
8.2 Specifications for actuators and sensors.........................................................................................11
8.2.1 Components..............................................................................................................................................11
8.2.2 Sensors.....................................................................................................................................................11
8.3 Power supply and programme selection..........................................................................................12
8.4 Fill circuit..........................................................................................................................................12
8.4.1 Level and anti-overflow pressure switch ...................................................................................................12
8.4.2 Fill system.................................................................................................................................................12
8.4.3 Anti-flooding device...................................................................................................................................12
8.4.4 Intervention of the anti-overflow system....................................................................................................12
8.5 Control of water fill phase ................................................................................................................12
8.5.1 Static fill ....................................................................................................................................................12
8.5.2 Dynamic fill................................................................................................................................................13
8.5.3 Level stability control.................................................................................................................................13
8.6 Water fill time ...................................................................................................................................13
8.6.1 Static fill time.............................................................................................................................................13
8.6.2 Dynamic fill time........................................................................................................................................13
8.6.3 Power supply interruption during water fill ................................................................................................13
8.7 Level stability during washing..........................................................................................................13
8.8 Washing system...............................................................................................................................13
8.8.1 Control of the washing pump ....................................................................................................................14
8.9 Heating.............................................................................................................................................14
8.10 Integrated detergent dispenser........................................................................................................14
8.11 Drain.................................................................................................................................................14
8.11.1 “Siphon” effect...........................................................................................................................................15
8.12 Regeneration system.......................................................................................................................15
8.13 Resin washing..................................................................................................................................15
8.14 “Blending” function...........................................................................................................................16
9 DRYING .....................................................................................................................................................16
10 ALARMS.....................................................................................................................................................17
10.1 Table of alarm codes .......................................................................................................................17
11 USER MODE .............................................................................................................................................19
11.1 Regeneration selection ....................................................................................................................19
12 SERVICE MODE........................................................................................................................................20
12.1 Reading the alarms and activating the individual components .......................................................20
12.2 Cancelling alarm codes from memory / test of LEDs ......................................................................20
12.3 Functional testing cycle....................................................................................................................21
12.3.1 Selecting the cycle....................................................................................................................................21
12.3.2 Cycle phases ............................................................................................................................................21
12.4 Exiting Service and User modes......................................................................................................21
13 ELECTRICAL FUNCTIONS.......................................................................................................................22
13.1 Electrical circuit diagram..................................................................................................................22
13.2 Basic circuit diagram........................................................................................................................23
13.2.1 Key to circuit diagram ...............................................................................................................................23
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