SMA TCS 500-SC Maintenance manual - Manual (Page 17)

SMA Solar Technology AG 4 Disconnecting from and Reconnecting to Voltage Sources
Maintenance manual TCS-CP-WH-en-10 17
4.6 Reconnecting the Low Voltage
☐ Medium voltage is connected.
1. In case of a Transformer Compact Station with AC circuit breaker, switch on the AC circuit
breaker.
2. In case of a Transformer Compact Station without AC circuit breaker, switch on the AC circuit
breaker in the inverter and switch on the inverter.
4.7 Reconnecting the Control Voltage
1. Open station sub-distribution.
2. Switch on all miniature circuit-breakers and all residual-current devices.
3. Switch on the transformer for auxiliary power supply, if present.
4. Close station sub-distribution.