Atlas Copco QAS 14 Instruction Manual page 89

N13
T1
I n
T2
A1 A2 31 34
a3 a6 a2 a3
S13
S2b
a3
a2 a2
a6 a6
a6 a2
U1
B- B+
L N
b6
b6
b0
b0 b6
R5
F1-F6 Fuses 4 A
G3 Alternator
K11 Aux. relay select 230Vzz (lower voltage)
K12 Aux. relay select 400Vy (higher voltage)
N12 Automatic voltage regulator
N13 Earth leakage relay
Q1.1 Circuit breaker 230Vzz (lower voltage)
A B
a3
a2
K12 K11
a3 y0 y0 a3
Q1.1 Q1.2
c2 c2
U> U>
c1 c1
a6
y0
y0
X1
Q1.2 Circuit breaker 400Vy (higher voltage)
R5 Coolant heater (O)
R12 Voltage adjustment 1k (O)
S2b Emergency stop
(S2a: see Engine circuit)
S10a-d Voltage selector switch
S13 E.L.R. Disable switch
C D E F G H
1
T13
See Note 1
2
QAS
x0 x0 x0 x6 x54 z54
PE
Legend
g54
Wire size :
a = 1 mm
b = 1.5mm
c = 2.5mm
d = 4 mm
e = 6 mm
x0 x0 x0 x6
f = 10 mm
g = 16 mm
h = 25 mm
i = 35 mm
j = 50 mm
k = 70 mm
hx = 25 mm ERP-CSP (BS6195-4C)
y0 y0 x0 x6
z54
lx = 95 mm ERP-CSP (BS6195-4C)
bx = 1.5 mm NSGAFOeU
L1 L2 L3 N PE
Notes
Note 1:The PE-N connection has to be made at the
1ph
Note 3:Contacts on S10 indicated between brackets, e.g.(6)
T1-T3
T13
U1
X1
X9
(O)
- 89 -
T1 Q1.1 Q1.2 Wire Size x Wire Size y Wire Size z
14 60/5A 40A 20A 2.5mm 2 10mm 2
20 60/5A 63A 32A 6mm 2 16mm 2
30 100/5A 100A 50A 10mm hx
2
40 150/5A 125A 63A 16mm hx
2
Colour code :
2
0 = black
2
1 = brown
2
2 = red
2
3 = orange
2
4 = yellow
2
5 = green
2
6 = blue
2
7 = purple
2
8 = grey
2
9 = white
2
54 = green/yel.
2
2
2
alternator-side of main Circuit Breaker Q1.
aren't to be connected. They are linked internally.
Current transformer
Torus earth leakage
Battery charger (O)
Terminal board
Terminal strip
Optional equipment
10mm 2
16mm 2
16mm 2
16mm 2