This is the installation guide for the SC2200/1850 that ships with every unit. We have uploaded it here because we are unable to find this document anywhere else on the web. This is applicable to the SMA Kodiak / SMA SC2200 and SC1850 inverter.
Fuse Torque Installation Procedure - Bottom of Page 42
- Ensure that no voltage is present.
- Clean the non-tin-plated contact surfaces of the DC fuses and connection busbars with the non-woven abrasive until they have a light metallic sheen.
- Clean the contact surfaces of the DC fuses and connection busbars with a clean cloth and ethanol cleaning agent. Do not touch the contact surfaces again after cleaning.
- Connect the DC fuses in accordance with the design of the bolted connection (torque 14.4 Nm to 17.6 Nm (10.7 ft-lb to 12.9 ft-lb).