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B11 Speed sensor MPU (O)
F1-F3 Fuses 4 A
G3 Alternator
K7 Auxiliary relay for Y7 (O)
N11 Speed controller (O)
N12 Automatic voltage regulator
N13 Earth leakage relay (O)
N14 IT-relay (O)
Q1 Circuit breaker
R5 Coolant heater (O)
R11 Speed adjustment (O)
R12 Voltage adjustment potmeter 1K (O)
S2b Emergency stop
(S2a: see Engine circuit)
S12 50/60 Hz-switch (O)
S13 E.L.R. disable switch (O)
T1-T3 Current transformers
T13 Torus earth leakage (O)
U1 Battery charger (O)
V7 Free-wheeling diode Y7
X1 Terminal board
Y7 Air inlet shutdown valve (O)
(O) Optional equipment