22
D
GB
F
E
I
Ru
96446-09.2020-DGbFEIRu
7.5 Basiccircuitdiagramforstar-deltastart230V∆/400VY
Fig. 13
BP2 High pressure safety monitor
BP3 Safety chain (high/low pressure monitoring)
BT1 Cold conductor (PTC sensor) motor winding
BT2 Thermal protection thermostat (PTC sensor)
BT3 Release switch (thermostat)
DELTA PII Oil differential pressure sensor DELTA-P II (accessory)
EB1 Oil sump heater
EC1 Compressor motor
FC1.1/1.2 Motor protection switch
0
Datum Name
Datum
Bearb.
Gepr.
Norm
1
20.02.2009
bauknecht
07.02.2018
Urspr.
2
3
4
D/S INT69 HG44/66 neu
5 6 7
BOCK COMPRESSORS
8
=
+
9
Bl.
6.c Bl.
6.b
6.a
Anschlußkasten Verdichter
BT1
INT69G
QA1
L1 L2 L3 N PE
U1
V1
W1
PE
U2
V2
W2
FC1.1
FC1.2
FC2
SF1
QA2
L1.1
L2.1
L3.1
L1.2
N
PE
BT3
BT2
Θ
1112 14
L N B1 B2
12
11
10
9
8
7
6
5
4
3
2
1
Θ
vio bn bu gr pk og
Θ
1 2
PE
EB1
FC1.1
I>
I>
I>
1
2
QA2
FC1.2
I>
I>
I>
3
4
5
6
1
2
QA4
Y
3
4
5
6
1
2
QA3
D
3
4
5
6
EC1
M
3
˜
QA2
QA2
4.7
6.b.7
QA4
KF1
QA4
QA3
4.8
6.b.8
KF1
QA3
QA4
4.8
6.b.8
KF1
Compressor terminal box