SMA MEDIUM VOLTAGE POWER STATION 500SC-JP - Page 61

Torques of the power connections:
Type of terminal lug Torque
Tin-plated aluminum terminal lug on copper bar 37Nm
Tin-plated copper terminal lug on copper bar 60Nm
Additionally required mounting material (not included in the scope of delivery):
☐ Clean cloth
☐ Ethanol cleaning agent
Procedure:
1. Disassemble the panels (see Section12.3.1.2, page164).
2. Disassemble the protective covers (see Section12.3.1.1, page163).
3. Prepare the cables for connection (see Section12.5, page172).
4. Clean the tin-plated contact surfaces in the connection area with the non-woven abrasive until they have a light
metallic sheen.
5. Clean all contact surfaces in the connection area using a clean cloth and ethanol cleaning agent and do not
touch the contact surfaces after cleaning.
6. Connect the cables in accordance with the circuit diagram. Only use the screws, nuts and washers included in the
scope of delivery and make sure that the screw heads always point forwards.
7. Secure the cables on the cable support rail. This will prevent the cable from being pulled out inadvertently.
8. Mount the protective covers (see Section12.3.1.1, page163).
9. Mount the panels (see Section12.3.1.2, page164).
5 Installation
SMA Solar Technology AG
System Manual 61MVPS22JP-SH-en-11