Atlas Copco QAS 275-325, Instruction Manual

Page: 96 / 114

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A B C D E F G
V8
b2
17
a3
5
a6
12
K8
A2
A1
K8
a6
12
a3
15
(O)
Cubicle
Canopy
15
X9
12
X9
S3
* *
(Only in case of Dual
Voltage)
* In case of Dual Voltage:
1) Connect wires XXXg from galvanic separation to A1:
125g to A1-41 443g to A1-47
126g to A1-39 444g to A1-45
127g to A1-37 445g to A1-43
2) Remove wires 124 from A1-38 and 441 from A1-46
* * * * * *
T4
a0
445g
a0
444g
a0
443g
a0
127g
a0
126g
a0
125g
a0
445
a0
444
a0
443
a0
12
7
a0
12
6
a0
12
5
Galvanic S
eparation
(O)
1 3 5
11 13 15
30 28 26
20 18 16
Air Shutdown
Valve
70
X9
b6
12
V7
b3
71
b2
13
Cubicle
Y7
Canopy
K7
a3
70
b6
12
12
X9
13
X9
K7
(O)
a6
12
a3
70
Alternator
Cubicle
a6
12
a3
60
S10d
12
11
14
(O)
3
X11
4
X11
a6
12
a3
11 R3
b6
12
aa0
CL
aa9
CH
a6
12
a3
60
a6
12
S11d
a3
60
H0
P1
P2
to Circ.Diagr PO
WER
Fuses F1
-F3
a0
12
7
a0
12
6
a0
12
5
a6
12
4
a0
12
5
a0
12
6
a6
12
4
a0
12
7
a8
14
0
a8
15
1
a8
15
3
a8
15
2
to Circ.Diagr PO
WER
Cur
rent T
ransfo T1
-T3
a8
14
0
a8
14
3
a8
14
2
P3
a8
14
1
a3
5
to Circ.Diagr POWER
X9.5 / X9.12 / X9.13
a6
12
a3
5
a2
13
b2
1
a3
60
a2
13
b2
1
a2
17
a3
60
a3
60
a6
12
b2
17
a6
12
a3
5
a3
5
a6
12
a6
12
a2
17
a2
17
a6
12
a6
12
a3
5
a3
14
a2
17
a3
14
a3
18
a0
12
5
a0
442
a0
446
a0
447
a0
443
a0
445
a6
441
a0
444
towards
X25.8
a6
12
4
a0
12
5
a0
12
7
a0
12
6
a6
12
4
a6
12
a2
17
a8
14
0
a8
14
0
a8
14
0
a8
15
3
a8
15
1
a8
15
2
a0
12
8
a0
12
9
P4
8
4
10
6
2
12
11
1
5
7
9 3
S2a
9
X25
Mains and Generator Contactor
Output: 24Vdc,
max. 8Adc1
to Circ.Diagr POWER
X9.441 & X9.442
a6
12
a3
18
a6
12
4
a0
446
a0
447
a0
442
a6
441
Sx=Remote
Start/Stop-switch
max. 24Vdc, 4A
b6
441
b0
442
a0
443
a0
444
a0
445
to A1
.38
PE
X25
8 7 3 6 5 4 2 1
X25
10 9
PE
(see Instruction Manual)
Customer's Installation
MAINS SUPPLY (3P+N+PE)
to Generator Contactor
A2 <--
to Generator Contactor
A1 <--
to Mains Contactor
A1 <--
L3 L2 L1 L1 N
to A1
.1
8
250mA
250mA
6A
250mA 6A
14
a3
10A
F10
S20
14
a3
GND
Engine CAN-bus Interface
CAN-L
Air Shutdown
Valve R
elay
Spare Input
s1 s2
Generator Cur
rent
Transfo L1
s1 s2
Generator Cur
rent
Transfo L2
s1 s2
Mains V
oltage
L1
Com NO NO NO
2nd P
arameter S
et
Input Input Input Input Input Input
5
A1
24 23 18 33 34 32 25
39 43 41 37 38 51 53 54 56 55 57 58
4 3 2 1
52 45
35 36
0 Vdc
(Bat
t-)
50 49 47 26 27 46
17 16 14 13 12 9 15 6 7 8
Mains V
oltage
Neutral
Mains V
oltage
L2
High Coolant
Temperature
Spare Output
W
ater in fuel
Mains Contactor Mains V
oltage
L3
Remote Star
t
Com
NO
Generator Contactor
NC
Com
Com NO Com NO
Generator V
oltage
L3
Generator V
oltage
L1
Generator V
oltage
L2
Star
t R
elay Output
Fuel Control R
elay
12/24 Vdc
(Bat
t+)
Generator V
oltage
Neutral
Preheat R
elay
Common for R
elay Outputs
Common for
VDO-inputs (0
Vdc)
Input GND Input
Coolant L
evel S
witc
h (VDO)
W/L
-Input D+
Coolant T
emp
(VDO)
Fuel L
evel (VDO)
Input Input
Magnetic Pic
k-up (T
ac
ho)
CAN-H
Generator Cur
rent
Transfo L3
Common (1
2 Vdc)
Sx Fx Fx Fx Fx Fx
A
A
A
V
S4
Qc2002 canbus
9822 0993 26/03
Applicable for QAS 275-325 - Qc2002™, Engine Circuit