C Basic Connection Diagram For The Energy Supply Company Lockout, Shutdown Via Connection S21 - Vaillant VWL 57/5 IS Operating, Installation And Maintenance Instructions

C Basic connection diagram for the energy supply company lockout, shutdown via
connection S21
1
L1
L2
L3
N
L N L N
X211 X210
L N L N
X211 X210
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
0020257319_02 Hydraulic station Installation and maintenance instructions
2
kWh
5
2
L1 L2 L3 N BUS L N
X200 X206 X311
10
3
2
L1 L2 L3 N BUS L N
X200 X206 X311
3 4
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
Appendix
5
6
2
S21 BUS BUS
X106
8 7
2
S21 BUS BUS
X106
45