Atlas Copco GA 15 Instruction Book page 26

Reference
(7)
(8)
(9)
Designations used
Typical references used in the electric diagram of the compressor:
Reference
A1
M1
PT20
TT11
TT90
Y1
Reference
E1
F1, F2,...
F21
K11
K21
K22
K23
S'
S1'
S3
S3'
T1
1X0
1X1
1X3
X101/X108
Reference
K01
K02
K03
K04
K05
K06
I
24
Designation
Remote emergency stop
Supply of dryer
All other voltages
Compressor
Dryer
Compressor motor
Pressure sensor, air delivery
Temperature sensor, element outlet
Temperature sensor, LAT dryer (GA Full-Feature only)
Solenoid valve
Starter cubicle
Elektronikon regulator
Fuses
Overload relay, compressor motor
Contactor for dryer supply (GA Full-Feature only)
Line contactor
Star contactor
Delta contactor
Remote pressure sensing
Remote start/stop
Emergency stop
Remote emergency stop
Transformer
Power supply connection
Motor connection
Earth connection
Connectors
Compressor control module
Blocking relay
Auxiliary relay, star contactor
Auxiliary relay, delta contactor
Auxiliary relay, load/unload
Auxiliary relay, general shutdown
Auxiliary relay, dryer
Start
Instruction book
2920 7083 31