52
VD1
/1.3
VD2
/1.7
K2-A1
/1.7
K1-A1
/1.3
L Reg
/1.15
N Reg
/1.15
MOT
/1.15
A2
/1.7
A2
ASD
/1.15
B1-11
/1.15
1
-X7
2
L
-X0
3
N
N
PE
PE
13
14
-K3
9
A1
A2
-K0
VD1
-X1
VEN
A1
A2
-K1
VD1
1 2
/1.4
3 4
/1.4
5 6
/1.4
21 22
/1.5
VD2
-X1
A1
A2
-K2
VD2
1 2
/1.8
3 4
/1.8
5 6
/1.8
21 22
/1.9
N..
-X1
P
b2 c4
a1
-F1
HDP
HD.
ND.
-X1
P
c4 b2
a1
-F2
NDP
L..
VBO
A1
A2
-K3
1 2
/1.11
3 4
/1.11
5 6
/1.11
13 14
3
L
-X0
1
2
-F6
9
-X7
L L
10
MOT
-X2
ASD
EVU
1 2
/1.2
3 4
/1.2
5 6
/1.2
Flow rate switchF6
EVU
Legend:
-
External flow rate switch; bridge if no switch can be connected.
+
2
K1
Function
Mains contactor, condenserK0
Contactor, well / brine pump
HDP
Energy supplier contact; closed on release; bridge if no blocking interval
Operating materials
Controller board; Attention: I-max = 6A/230VAC
F1
UK817328
1~/N/PE/230V/50Hz
Contactor for compressor 1
1,2,3,N,PE; power supply, controller
NDP
Contactor for compressor 2
1
/1.7
DFS
3
Low-pressure switch
1~N/PE/230V/50Hz
A1
EVU
-A1
1
-
VD2
K3
K2
F2
VD1
2
DFS
High-pressure switch
230VAC
+
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UK830509/200114 © Alpha-InnoTec GmbH
SWP 430 · SWP 270H Circuit Diagram 2/3