20
D
GB
F
E
I
Ru
09790-02.2018-DGbFEIRu
5.5 Circuit diagram for star-delta start 230 V ∆ / 400 V Y
Fig. 21
15-16 Connections for PTC sensor (MP10)
R1 Cold conductor (PTC sensor) motor winding
R2 Thermal protection thermostat (PTC sensor)
F1.1
Motor protection switch
F1.2 Motor protection switch
F2 Control power circuit fuse
F3 High pressure safety monitor
F4 Safety chain (high/low pressure monitoring)
F5 Oil differential pressure monitor
B1 Enabling switch (thermostat)
Οnderung
2
0
Datum
Name
Datum
Bearb.
Gepr.
Norm
1
20.02.2009
Kelich
10.02.2012
Urspr.
2
Ers. f.
3
Ers. d.
4
PW MP10
5 6 7
BOCK COMPRESSORS
8
=
+
9
Bl.
4
Bl.
4
3
X SS
Anschlußkasten Verdichter
R2
MP10
F5
P-Öl
Q1
L1 L2 L3 N PE
F1.1
I=66%
I>
I>
I>
1
2
K1
1
3
4
2
5
6
3
U1
V1
W1
M1
M
3
˜
1
2
K3
Y
PE
3
4
5
6
W2
U2
V2
F1.2
I=33%
I>
I>
I>
1
2
K2
4
3
4
5
5
6
6
X1 L1 L1 N N 43 43 11 12 14
L S M
X2 1 2 3 4 5 6
7
F1.1
F1.2
8
R2.1
F2
4A
S1
R2.2
9
R2.3
10
R2.4
11
K1
12
T2
13
N
14
L
15
M
16
S
F3
P>
17
K1
K1
4.7
18
K3
19
F4
P
K4T
K3
K2
1.8
2.8
4.8
20
K4T
K2
K3
4.8
21
22
K4T
B1
P<
23 24
K1
25
E1
26
L1.1
L2.1
L3.1
L1.2
N
PE
R1
Compressor terminal box
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