5.2.2
Electrical symbol ...................................................................................................................... 34
5.2.3
Checking for efficiency ............................................................................................................. 34
5.3
5.3.1
General characteristics ............................................................................................................ 35
5.3.2
Electrical symbol ...................................................................................................................... 35
5.3.3
Circuit diagrams ....................................................................................................................... 35
5.3.4
Checking for efficiency ............................................................................................................. 36
5.4
5.4.1
General characteristics ............................................................................................................ 36
5.4.2
Operating principle ................................................................................................................... 36
5.4.2.1
"Door open" conditions....................................................................................................... 37
5.4.2.2
Automatic release device ................................................................................................... 37
5.4.2.3
5.4.3
Electrical symbol ...................................................................................................................... 37
5.4.4
Circuit diagram ......................................................................................................................... 37
5.5
Solenoid valve.................................................................................................................................. 38
5.5.1
General characteristics ........................................................................................................... 38
5.5.2
Electrical symbol ...................................................................................................................... 38
5.5.3
Checking for efficiency ............................................................................................................. 38
5.6
Pressure switch................................................................................................................................ 39
5.6.1
General characteristics ............................................................................................................ 39
5.6.2
5.6.3
Operating principle ................................................................................................................... 40
5.6.4
Electrical symbol ...................................................................................................................... 40
5.6.5
Circuit diagram ......................................................................................................................... 40
5.6.6
Checking for efficiency ............................................................................................................. 40
5.7
5.7.1
General characteristics ............................................................................................................ 41
5.7.2
Operating principle ................................................................................................................... 41
5.7.3
Electrical symbol ...................................................................................................................... 42
5.7.4
5.7.5
Checking for efficiency ............................................................................................................. 42
5.8
Commutator motor ........................................................................................................................... 43
5.8.1
General characteristics ............................................................................................................ 43
5.8.2
Operating principle ................................................................................................................... 43
5.8.2.1
5.8.2.2
5.8.2.3
Tachymetric generator ....................................................................................................... 45
5.8.3
Electrical symbols .................................................................................................................... 45
5.8.4
Circuit diagram ......................................................................................................................... 46
5.8.5
Checking for efficiency ............................................................................................................. 46
5.9
5.9.1
General characteristics ............................................................................................................ 47
5.9.2
Operating principle ................................................................................................................... 47
5.9.3
Checking the efficiency ............................................................................................................ 47
5.10
Inverter (if featured) ......................................................................................................................... 48
5.11
Heating element............................................................................................................................... 49
5.11.1
General characteristics ............................................................................................................ 49
5.11.2
Electrical symbol ...................................................................................................................... 49
5.11.3
Checking for efficiency ............................................................................................................. 49
5.12
5.12.1
General characteristics ............................................................................................................ 50
5.12.2
Electrical symbol ...................................................................................................................... 50
5.12.3
Checking for efficiency ............................................................................................................. 50
5.13
Drain pump ...................................................................................................................................... 51
5.13.1
General characteristics ............................................................................................................ 51
5.13.2
Electrical symbol ...................................................................................................................... 51
5.13.3
Checking for efficiency ............................................................................................................. 51
5.14
Water control (if featured) ................................................................................................................ 52
5.15
5.15.1
General characteristics ............................................................................................................ 53
5.15.2
Electrical symbol ...................................................................................................................... 53
5.15.3
Checking for efficiency ............................................................................................................. 53
5.16
Circuit diagrams ............................................................................................................................... 54
5.16.1
Wiring diagram ......................................................................................................................... 54
SOI/DT 2006-01 dmm
4/71
599 37 47-13