48
A
Power supply 3 x 400 V
∼
/50 Hz
B
Mains isolator
C
Contactors compressor 1
D
Contactors compressor 2
E
Load MCB/fuse compressor 1
F
Load MCB/fuse compressor 2
G
Motor protection compressor 1
H
Motor protection compressor 2
K
MCB/fuse, primary and secondary pumps
L
Power supply unit, control unit
M
Control MCB/fuse
N
Earth busbar
4
5
6
3
2
1
1
Contactors for system components
2
Control relays for system components
3
Terminal strip for low voltage, heat pump internal
4
Standard module
5
Extension module
Installation sequence
Overview of electrical connections
(cont.)
5848 449 GB
