The compressor is equipped with a negative earthed system.
For location of relais K1, K2, K3, K4, see paragraph 2.8.1
D1 Diode
E1 Ecologiser
F1 Circuit Breaker (10 A)
G1 Alternator
G2 Battery
G3 Generator
H1 Temperature Alarm Lamp
H2 General Alarm Lamp
H3 Lamp (Power Control)
H4 Lamp automatic control system
K0 Starter Solenoid (part of M1)
K1 Shut-down Relay
K2 Blocking Relay
K3 Override Start Relay
K4 Start Relay
K5 Contactor/4-pole
K6 Insulation monitoring relay
K7 Time relais
K8 Time relais
M1 Starter Motor
P1 Hourmeter
Q1 Main circuit breaker 4-pole +
shunt tripcoil
S1 Contact Switch
(Off-On-Override-start)
S2 Temperature Switch Engine
S3 Oil Pressure Switch Engine
S4 Lamptest Switch
S5 Temperature Switch
Compressor
S6 Thermalcontact
S7 Switch (Generator-
compressor)
S8 Switch automatic control
system
V1 Diode
V2 Diode
X1.1 Socket outlet
X1.2 Socket outlet
X1.3 Socket outlet
Y1 Fuel solenoid Valve
Y2 Solenoid valve
(Generator action)
Circuit diagram (No. 9822 0797 01 + No. 9822 1055 90)
Fig. 2.9