Atlas Copco QAS 14, Instruction Manual

Page: 94 / 100

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A B C D E F G H I J K L M N
Qc2002
Sx Fx Fx Fx Fx Fx
Note: With dedicated Single Phase cubicles,
terminals 4 and 5 are not present
2
a6
124
to Circ.Diagr POWER
Fuse F1
a6
124
a0
125
a0
125
c8
140
c8
141
c8
140
c8
141
2
Single Phase
(0)
3 Phase
(0)
to Circ.Diagr POWER
Current T
ransfo T1
to Circ.Diagr POWER Current T
ransfo T1-T3
a6
124
to Circ.Diagr POWER
Fuses F1-F3
a6
124
a0
127
a0
126
a0
125
a0
127
a0
126
a0
125
c8
140
c8
141
c8
143
c8
142
c8
140
c8
143
c8
142
c8
141
a6
12
a0
125
a0
442
a0
446
a0
447
a0
443
a0
445
a6
441
a0
444
towards
X25.8
a6
124
a0
125
a0
127
a0
126
a6
124
c8
140
c8
140
c8
140
c8
143
c8
141
c8
142
to Circ.Diagr POWER
X9.441 & X9.442
a6
12
a3
18
a6
124
a0
446
a0
447
a0
442
a6
441
Sx=Remote
Start/Stop-switch
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 A1.18
250mA 250mA 6A 250mA
6A
a2
17
a6
12
a2
17
Central Alarm Horn
2nd Parameter Set
s1 s2
Generator Current T
ransfo L1
s1 s2
Generator Current T
ransfo L2
s1 s2
Mains V
oltage L1
Com NO NO NO
Spare <Low Coolant Level>
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 (Batt-)
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 T
emperature
Spare Output
Low Oil Pressure
Mains Contactor Mains V
oltage L3
Remote Start
Com
NO
Generator Contactor
NC
Com
Com NO Com NO
Generator V
oltage L3
Generator V
oltage L1
Generator V
oltage L2
Start Relay Output Fuel Control Relay
12/24 Vdc (Batt+) Generator V
oltage Neutral
Preheat Relay
Common for Relay Outputs
Common for VDO-inputs (0 Vdc)
Input GND Input
Oil Pressure (VDO)
W/L-Input D+
Coolant T
emp (VDO)
Fuel Level (VDO)
Input Input
Magnetic Pick-up (T
acho)
CAN-H CAN-L GND
Engine CAN-bus Interface
Generator Current T
ransfo L3
Common (12 Vdc)
9822 0992 79/02
Applicable for QAS 14-20 Compact - Controller circuit Qc2002™