Code Designations In Circuit Diagrams (Din 40719) - Hatz Diesel 1D30 S Workshop Manual

Code designations in circuit diagrams (DIN 40719)

Code Designation of electrical component
A 1 Equipment box
A 2 Equipment panel
A 3 Automatic start-stop
A 4 Starter protection module
B 1 Temperature sensor
B 2 Speed pulse sensor
B 3 Oil pressure sensor
B 4 Horn
C1 Capacitor
E1 Heater for fuel filter
F1 Fuse
G1 Battery
G2 Generator (alternator)
G3 Flywheel generator
H 1 Indicator lamp, generator telltale
H 2 Indicator lamp, oil pressure
H 3 Indicator lamp, engine temperature
H 4 Indicator lamp, air cleaner (maintenance switch)
H 5 Indicator lamp, broken belt
H 6 Indicator lamp, preheat monitor
H 7 Indicator lamp, fan monitor
H 8 Remote display: engine on
K 1 Control relay 1 for start / start repeat interlock
K 2 Control relay 2 for preheat
K 3 Control relay 3 für speed control
K 4 Engine protection relay
K 5 Delay relay
K 6 Start interlock relay
K 7 Timer relay (impulse relay)
K 8 Power relay
M1 Starter motor
MG Starter-generator
N 1 Regulator for starter-generator
N 2 Regulator for flywheel generator
N 3 Regulator for alternator (unless integrated)
N 4 Pulse sensor (additional for syncro-regulator)
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