Atlas Copco GA18 Instruction Book

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Instruction book
For star-delta starter (IEC)
Supplyvoltage Frequency GA11 GA15 GA18 GA22 GA30C
(V) (Hz) mm² mm² mm² mm² mm²
200-220 50/60 16 25 35 50 70
230 50/60 16 25 35 50 70
380 50/60 10 10 16 25 35
400506 10162535
500506 10101625
For direct-on-line starter (CSA/UL)
Supply Fre- GA11 GA11 GA15 GA15 GA18 GA18 GA22 GA22 GA30C GA30C
voltage quency
(V) (Hz) AWG mm² AWG mm² AWG mm² AWG mm² AWG mm²
200 60 4 16 3 25 1 35 2/0 50 -- --
220-230 60 4 16 3 25 2 35 1 35 -- --
440-460 60 8 8 6 10 6 10 4 16 3 25
575 60 10 6 8 8 8 8 6 10 4 16
2.5 Pictographs (Fig. 2.3)
Read the warnings attentively and act accordingly.
Note
For compressors equipped with an Elektronikon I regulator,
also consult section 1.4.5.
1 Warning: stop compressor before repairing fans
2 Manual condensate drain
3 Warning: voltage
4 Automatic condensate drain
5 Warning: before connecting compressor
electrically, consult Instruction book for motor
rotation direction
6 Warning: switch off voltage and depressurize
compressor before repairing
7 Torques for steel (Fe) or brass (CuZn) bolts
8 Lightly oil gasket of oil filter, screw it on and
tighten by hand (approx. half a turn)
9 Consult Instruction book before greasing
10 Warning: switch off voltage before removing
protecting cover inside electric cubicle
11 Consult Instruction book before carrying out
maintenance
12 Warning: potential risk of sudden releasing of
spring underneath cover of unloader during
disassembling, have possible repairs carried out
by Atlas Copco
Fig. 2.3 Pictographs (typical examples)

Atlas Copco GA18 Specifications

General

Model	GA18
Category	Air Compressor
Cooling System	Air-cooled
Drive Type	Direct Drive
Max Working Pressure	13 bar
Working Pressure Range	7.5 - 13 bar
Tank Capacity	Not applicable
Sound Level Range	67 - 69 dB(A)