Electrical contacts
DANGERDanger of electrical shock!
Danger of electrical shock!
Disconnect supply voltage and secure it against being switched on again!
- Transfer cable markings when cutting to length.
Size | Nut | Screw |
|---|---|---|
M4 | 2 Nm | |
M5 | 5 Nm | 2.6 Nm |
M6 | 4.8 Nm | |
M6 | 6 Nm | 14 Nm |
M7 | 7 Nm | |
M8 | 4.8 Nm | |
M8 | 10 Nm | 25 Nm |
M10 | 25 .. 30 Nm | 40 Nm ① |
M10 | 30 Nm | 40 Nm ① |
M12 | 30 .. 35 Nm | 40 Nm ① |
M12 (CS.105) | 60 Nm ① | |
M16 | 85 Nm ① |
M6 and M8: 4.8 Nm only valid for scroll compressors
M10: 25 .. 30 Nm with reciprocating compressors, 30 Nm with all other products
①: Mount with a pair of wedge lock washers.
- Tighten all screwed connections on terminal plate manually with calibrated torque spanner to indicated torque.
- Do not use any pneumatically driven tool.
Cable fixing on terminal strips
Spacing pitch |
|
|---|---|
3.81 mm | 0.25 Nm |
5.08 mm | 0.5 Nm |
These tightening torques apply with and without cables.
Protective earth conductor at earth terminal strip
Size |
|
|---|---|
M5 | 1.3 Nm |
- Mount the screwed connection on the terminal strip in this order: cable lug, washer, single-coil spring washer, crosshead screw.
Protective earth conductor for housing cover at module housing bottom
Size | Nut |
|---|---|
M6 | 4 Nm |
- Mount cable lug with toothed washer.
Protective earth conductor at shield connection plate
Size | Nut |
|---|---|
M6 | 5 Nm |
- Mount the screwed connection in this order: toothed washer, cable lug, washer, thrust washer, nut.
Protective earth conductor of power connection to CSV.
This power connection is screwed into the head of a threaded rod.
- 40 Nm (M10): Tightening torque of protective earth conductor in der threaded rod
- 42 Nm (M12): Tightening torque of the threaded rod itself
FI current bars at CSV.
Size |
|
|---|---|
M10 | 56 Nm |
M12 | 60 Nm |
- Mount the screwed connection M10 in this order: screw, pair of wedge lock washers, current bar, FI connection, pair of wedge lock washers, nut.