SOI/DT 2010-03 dmm 4/78 599 72 84-41
11 TECHNICAL CHARACTERISTICS....................................................................................................... 45
11.1 Electronic control system memory................................................................................................. 45
11.1.1 General structure of the memory system.................................................................................... 45
11.1.2 FLASH ...................................................................................................................................... 45
11.1.3 RAM.......................................................................................................................................... 46
11.2 Door safety interlock ..................................................................................................................... 47
11.2.1 Volumetric interlock with PTC.................................................................................................... 47
11.2.1.1 Operating principle.............................................................................................................. 47
11.2.2 Instantaneous door interlock...................................................................................................... 48
11.2.2.1 Operating principle.............................................................................................................. 48
11.2.2.2 Door open conditions.......................................................................................................... 48
11.2.2.3 Automatic release device.................................................................................................... 48
11.3 Water fill system............................................................................................................................ 49
11.3.1 Flowmeter ................................................................................................................................. 49
11.3.2 Operating principle of the flowmeter........................................................................................... 50
11.4 Analogue pressure switch of water level control in the tub ............................................................. 51
11.5 Drain pump................................................................................................................................... 52
11.6 Circulation pump (where featured)................................................................................................. 52
11.7 Heating......................................................................................................................................... 53
11.8 Temperature sensor...................................................................................................................... 53
11.9 Universal motor (EWM 21xx)......................................................................................................... 54
11.9.1 Power supply to motor............................................................................................................... 54
11.10 Three-phase asynchronous motor (EWM 25xx)............................................................................. 54
11.10.1 Power supply to motor............................................................................................................ 54
11.11 Anti-foam control system............................................................................................................... 55
11.12 “FUCS” ....................................................................................................................................... 56
12 DRYING CIRCUIT ............................................................................................................................... 58
12.1 Temperature control...................................................................................................................... 59
12.2 Alarm Summary Table................................................................................................................... 60
13 DIAGRAMS.......................................................................................................................................... 65
13.1 WM diagram with UNIVERSAL MOTOR EWM 21xx...................................................................... 65
13.2 WM diagram with THREE-PHASE ASYNCHRONOUS MOTOR EWM 25xx .................................. 67
13.3 WD diagram with UNIVERSAL MOTOR EWM 21xx ...................................................................... 69
13.4 WD diagram with THREE-PHASE ASYNCHRONOUS MOTOR EWM 25xx................................... 71
14 ACCESS TO THE WM ELECTRONIC CONTROL SYSTEM (HC cabinet)............................................ 73
14.1 Worktop........................................................................................................................................ 73
14.2 Control panel ................................................................................................................................73
15 ACCESS TO THE WM/WD ELECTRONIC CONTROL SYSTEM (NEXUS cabinet) .............................. 76
15.1 Worktop........................................................................................................................................ 76
15.2 Control panel ................................................................................................................................76
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