57
L1
-X7
L2 L3 PE
1
2
-K0
/2.4
3
4
5
6
A1
23
24
A2
R S T
U V W
-N1
1
3 5
2 4 6
-F4
M
3
T1 T2 T3 PE
-M1
VD1
9596
13
VD1
/2.1
K1-A1
/2.1
A2
9798
1
2
-K1
/2.5
3
4
5
6
21
22
-R20
A1
23
24
A2
R S T
U V W
-N2
1
3 5
2 4 6
-F5
M
3
T1 T2 T3 PE
-M2
VD2
9596
13
VD2
/2.1
K2-A1
/2.1
A2
/2.1
9798
1
2
-K2
/2.6
3
4
5
6
21
22
-R21
1
2
-K3
/2.11
4
-X7
I> I>I>
1 3 5
2 4
6
-F3
3
4
5
M
3
U1 V1 W1PE
-M3
5
6
6 PE
1314
13
2122
13
14
-F3
11
95
96
-F4
4
95
96
-F5
7
7
-X7
8
-X7
L1 L2 L3 12 14
11
-A4
L Reg
/2.1
N Reg
/2.1
ASD
/2.1
A4-11
/2.1
MOT
/2.1
K0 Mains contactor, condenser
Compressor 2VD2
X7:7,8
Terminal strip in switchbox of heat pump; N/PE distribution for external 230V units
VD2
Sump heating for compressor 2
VD1
Contactor, well / brine pump
Motor protection switch, well / brine pump
Connection of external motor protection; bridge if no external motor protection can be connected.
/2.1
R21
Well / brine pump provided by customer
K2
Legend:
Function
F3
Operating materials
K3
M2
VD1
K1
N1
A4
M3
3~PE/400V/50Hz
Starting current limit compressor 2
3~PE/400V/50Hz
Overload relay for compressor 1
N2
F4
MOT
UK817330
MOT
F5
Power supply compressor; right-hand rot. field is mandatory!
Starting current limit compressor 1
Contactor for compressor 2
Contactor for compressor 1
Compressor 1
X7
Phase sequence relay; if phase sequence in the order of 11 + 14 is closed
Sump heating for compressor 1
Overload relay for compressor 2
BOSUP
R20
M1
We reserve the right to make technical changes.
UK830509/200114 © Alpha-InnoTec GmbH
Size 2Circuit Diagram 1/3