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D
Basic connection diagram for the energy supply company lockout, shutdown via
connection S21
1
L1
L2
L3
N
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
8000017440_FT Installation and maintenance instructions
2
kWh
3
2
L1 N
Modbus
L N
XT1
CN12
X311
10
3
2
L1
N
Modbus
L N
XT1
CN12
X311
3
kWh
5
L N
L1
L1
L2 L3 N
X310
X300
9
3
L N
L1
L1
L2 L3 N
X310
X300
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
4
5
6
2
S21
BUS
Modbus
X100
X25
8
7
2
S21
BUS
Modbus
X100
X25
245
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