Atlas Copco ga55+ Instruction Book page 29

Instruction book
Reference
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Reference
A1
9096 3313 00
Service diagram for the cooling fan of water cooled compressors, typical
Designation
Emergency stop
Overload, compressor motor, fan motor and Phase Sequence Relay (PSR)
Remote start/stop
Fault, EWD
Remote pressure sensing
Remote load/unload (closed = load)
Pressure drop over DD filter
Pressure drop over PD filter
Remote pressure set selection
ES 100 (if installed)
Remote emergency stop
Auxiliary contacts
Manual/automatic operation
General warning
General shut-down
OSCi overflow contact (level switch)
Sensors / solenoid valves / electronic water drain
Dryer (units with integrated refrigeration dryer)
Fan motor cubicle
Watercooled Version
29