Atlas Copco QAS 500 - Page 118

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T1
T4
T12
400Vy/230Vd
T12
T9
T6
T3
T2T5T8T11
T10
T7
T4
T1
T7
T10
T2
T5
T8
T11
T3
T6
T9
Notes
Note 1: The PE-N connection has to be made at the
alternator-side of main Circuit Breaker Q1.
S10a
R12
a2
28
a0
29
Canopy
Cubicle
Alternator
Cubicle
a0
29
a2
28
Voltage
Adjustm.
1
2
29
X11
1
50
Hz
a3
37
a3
36
a3
35
Frequency
Selection
1
2
3
N12 G3
PE
NV2 W1U1
See Circ.Diagr Engine
442
X9
441
X9
13
X9
12
X9
ABCD E
to Circ.Diagr E
ngine
S4
to Circ.Diagr E
ngine
P1-P3
a0
126
a0
125
COOLANT HEATER
BAT. CHARGER
(O) (O)
13
441
a6 a0
442
12
a6 a2
PE
NL
U1
B+B-
R5
Canopy
Cubicle
a8
141
a8
142
a8
143
a8
140
T3T2T1
a0
U1
a0
V1
a0
W1
a6
N1
a0
127
a6
124
X0
U1
X0
V1
X0
W1
Y6
N1
Z54
F3
5
6
7
8
F2
3
4
F1
1
2
9822 0993 31/01
Applicable for QAS 500 - Dual voltage
F1-3 Fuse 4A
G3 Alternator
N12 Automatic voltage regulator
N13 Earth leakage relay
Q1.1 Circuit breaker (lower voltage)
Q1.2 Circuit breaker (higher voltage)
R5 Coolant heater
R12 Voltage adjustment potmeter
S2b Emergency stop
(S2a see Engine Circuit)
S10a,b,c Supply voltage switch
(S10d see Engine Circuit)
S13 Earth relay lock-out switch
T1-3 Current transformer
T13 Torus earth relay
U1 Static battery conditioner
X1 Terminal board
X9 Terminal strip (See Engine Circuit)
X25 Terminal strip
(O) Optional equipment