SMA MEDIUM VOLTAGE POWER STATION 500SC-JP System Manual page 61

SMA Solar Technology AG
Torques of the power connections:
Type of terminal lug
Tin-plated aluminum terminal lug on copper bar
Tin-plated copper terminal lug on copper bar
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).
System Manual
Torque
37 Nm
60 Nm
MVPS22JP-SH-en-11
5 Installation
61