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2.6
Electrical system
Electrical components
The electrical system is comprised of the following components:
Reference
F1
F2
F3
F7/8/9
F21
Q15
K5
K11
K12
K25
E10
K21
K22
K23
24
Figure 12: Typical example of electric cubicle
Designation
Fuse
Fuse
Fuse
Fuses (only on units with integrated dryer)
Overload relay, compressor motor
Circuit breaker, fan motor (on air-cooled compressors)
Auxiliary relay
Auxiliary contactor (only on units with integrated dryer)
Auxiliary contactor (only on units with integrated dryer)
Phase sequence relay
Smartbox
Line contactor
Star contactor
Delta contactor
Instruction book
2920 7196 21
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