Appendix
0020257319_02 Hydraulic station Installation and maintenance instructions
45
C
Basic connection diagram for the energy supply company lockout, shutdown via
connection S21
3~/400V
1~/230V
BUS
S21
BUS
X106
L1
L1
L2 L3 N
L N
X300
X311
L N
X310
kWh
L1 L2 L3 N
L N
X200
BUS
X206
X210
L N
X211
kWh
2
2
N
L1
L2
L3
5
5
BUS
S21
BUS
X106
L1
L1
L2 L3 N
L N
X300
X311
L N
X310
L1 L2 L3 N
L N
X200
BUS
X206
X210
L N
X211
2
2
3
3
1
2
3
4
5
6
7
8
9
10
1
Meter/fuse box
2
Household electricity meter
3
Heat pump electricity meter
4
Ripple control receiver
5
Potential-free normally open contact, for actuating
S21, for the energy supply company lockout function
6
Disconnector (circuit breaker, fuse)
7
System control
8
Indoor unit, control PCB
9
Indoor unit, power supply PCB
10
Outdoor unit, PCB INSTALLER BOARD