Atlas Copco GA18 VSD

2920 1454 00
26
Instruction book
7 PRINCIPAL DATA
7.1 Readings on display (12-Fig. 1.7)
Ref.: Air outlet pressure
Reading: Depends on the setpoint (desired net pressure)
Shown: On main screen (Fig. 1.8)
Ref.: Compressor element outlet temperature
Reading: Approx. 60 degrees Celsius above ambient
temperature
Shown: Use ¯ key on main screen (Fig. 1.8)
Ref.: Dewpoint temperature (Full-feature compressors)
Reading: Approx. 4 degrees Celsius
Shown: Use ¯ key on main screen (Fig. 1.8)
7.2 Setting of safety valve
ASME . . . . . . . . . . . . . . . . . . . 215 psig
Others . . . . . . . . . . . . . . . . . . . 14.5 bar(e)
7.3 Settings of circuit breakers
Compressor type Circuit breaker Supply voltage Frequency Maximum setting
GA18 VSD Fan motor (Q15-Fig. 1.10) 400 V 50 Hz 1.3 A
500 V 50 Hz 1.0 A
380 V 60 Hz 1.3 A
460 V 60 Hz 1.3 A
GA30 VSD Fan motor (Q15-Fig. 1.10) 400 V 50 Hz 2.1 A
500 V 50 Hz 1.7 A
380 V 60 Hz 2.4 A
460 V 60 Hz 2.0 A
7.4 Compressor specifications
7.4.1 Reference conditions
Air inlet pressure (absolute) . . . . . . . . . . . . . . . . . . . . . . . . . . . bar 1
Air inlet temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Celsius 20
Relative humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . % 0