4 Electrical system
General
Also consult sections Electrical diagrams and Electrical connections.
Electrical components
The electrical system comprises following components:
Electric cubicle, typical example
Reference Designation
F1...6 Fuses
K5 Auxiliary relay
F21 Overload relay, compressor motor
K11 Auxiliary contactor for dryer (only on Full-Feature compressors)
K21 Line contactor
K22 Star contactor
K23 Delta contactor
Q15 Circuit breaker, fan motor
T1/T2 Transformers
1X0 Terminal strip (voltage supply)
1X1 Terminal strip (motor)
1X5 Terminal strip (Control circuit)
PE Earth terminal
Instruction book
2920 7140 90 21
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