5.3 Circuit diagram for direct start 230 V ∆ / 400 V Y
QA1
L1
L2
D
GB
F
E
Fig. 17
Cold conductor (PTC sensor) motor winding
BT1
Thermal protection thermostat (PTC sensor)
BT2
FC1
Load circuit safety switches
FC2
Control power circuit fuse
BP1
High pressure safety monitor
Safety chain (high/low pressure monitoring )
BP2
BT3
Release switch (thermostat)
16 | AQ464037893946en-IN0201
FC1.1
I>
I>
1
3
QA2
2
4
L3 N PE
M
3~
-EC1
Θ
BT1
Anschlußkasten Verdichter
Compressor terminal box
I>
5
FC1.1
6
PE
L
N
B1 B2
FC2
QA2
SF1
1
2
3
4
5
6
7
8
9
10
11
12
12
14
11
INT69G
© Danfoss | Climate Solutions | 2024.07
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