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7.5 Basic circuit diagram for star-delta start with special motor
0
QA1
L1
L2
D
GB
F
E
Fig. 12
BP2
BP3
BT1
BT2
BT3
5.a
BT4
DELTA PII Oil differential pressure sensor DELTA-P II (accessories)
EB1
Οnderung
Datum
EC1
FC1.1/1.2 Motor protection switch
22
1
FC1.1
I>
I>
I>
1
3
5
QA2
2
4
6
FC1.2
I>
I>
I>
L3 N PE
Compressor terminal box
Anschlußkasten Verdichter
High pressure safety monitor
Safety chain (high/low pressure monitoring )
Cold conductor (PTC sensor) motor winding
Thermal protection thermostat (PTC sensor)
Oil temperature sensor
Release switch (thermostat)
Datum
20.02.2009
Bearb.
bauknecht
Gepr.
26.11.2020
Oil sump heater
Name
Norm
Compressor motor
2
1
3
5
1
3
QA4
QA3
Y
D
2
4
6
2
4
PE
EC1
U1
W2
M
V1
U2
3
˜
W1
V2
BT1
Urspr.
3
FC2
SF1
5
FC1.1
6
FC1.2
12
14
11
L
N
B1 B2
INT69G
Ers. f.
4
QA2
1
2
3
4
5
6
7
8
9
10
11
12
20
21
Ers. d.
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