4 Scope of Delivery
4
Scope of Delivery
4.1
Scope of delivery of DC/EMC assembly
Check the scope of delivery for completeness and any externally visible damage. Contact your
distributor if the scope of delivery is incomplete or damaged.
Designation
DC EMV assembly
Bolt M4x15
Bolt M6x12
Cable tie
Replacement Manual
4.2
Scope of delivery of DST assembly
Check the scope of delivery for completeness and any externally visible damage. Contact your
distributor if the scope of delivery is incomplete or damaged.
Designation
DST assembly
Bolt M4x15
Bolt M6x12
Cleaning cloth
Cable tie
Replacement Manual
5
Disconnecting the Inverter from Voltage Sources
Prior to performing any work on the inverter, always disconnect it from all voltage sources as
described in this section. Always adhere to the prescribed sequence.
Procedure:
1. Disconnect the AC miniature circuit breaker and secure against reconnection.
2. For STP 50-US-40 / STP 33-US-41 / STP 50-US-41 / STP 62-US-41: Set the AC load-break
switch of the inverter to position O.
3. Turn the DC load-break switch of the inverter to position O.
4. If the multifunction relay is used, switch off any supply voltage to the load.
5. Wait until the LEDs have gone out.
12
STP50-DC-EMV-DST-RM-xx-12
SMA Solar Technology AG
Quantity
1
4
4
1
1
Quantity
1
22
8
4
1
1
Replacement Manual