Comprag 11410101, Operating Manual

Page: 21 / 108

21 COMPRAG Screw air compressor F-Series
3.5 Connecting to power supply
The compressor is not supplied with a power cable. The cable size must be chosen to ensure
that the maximum voltage drop not exceed 5 % of the nominal voltage value.
F05.. F07.. F11.. F15.. F18.. F22..
Мaterial - copper. Cable size (mm²)
4 6 6 6 10 16
Fuse value (A)
25 35 35 50 63 63
Cable length must not exceed 25 m. Ambient temperature in the facility must not exceed
40°C. The cable must be sheathed with a fire retardant compound. An isolating switch must
be fitted within reach of the compressor to facilitate connection and maintenance.
The compressor must be earthed and protected against short cir-
cuits in each phase, impermissible voltage fluctuation and phase
failure.
The power cable has to be fed into the compressor.
Fig. 3.5 Power cable connection
Remove the left side panel, pass the cable under the compressor into the orifice (1) and cab -
le gland (2). Connect the power supply cables to the terminal 4. The earth wire of the power
cable must be connected to the corresponding earthing bolt 3.
1
2