Atlas Copco GA 90

Maximum cooling water outlet temperature (recirculating
systems)
˚F 140
Maximum cooling water inlet pressure bar(e) 10
Maximum cooling water inlet pressure psig 145
9.4 Settings of safety valve
Compressor type Setting
For GA compressors with a maximum working pressure of 7.5 or 8.5 bar 11 bar (e)
For GA compressors with a maximum working pressure of 109 or 123 psi 160 psig
For GA compressors with a maximum working pressure of 6.9, 8.6, 10, 10.4, 13 or
13.8 bar
15 bar (e)
For GA compressors with a maximum working pressure of 100, 125, 145, 150, 188
or 200 psi
217 psig
9.5 Settings for overload relay and fuses
50 Hz IEC compressors with ABB motors
GA 90 up to GA 250 and GR 110 up to GR 200
Compressor
type
Supply
voltage (V)
Overload relay
(A)
Fuses Class gL/
gG (Type 2) (A)
2X3 fuses
2X3 cables to
contactor
Fuses Class gL/
gG (Type 2) (A)
3 fuses
2X3 cables to
contactor
Fuses Class gL/
gG (Type 2) (A)
3 fuses
3 cables to
contactor
(bridges to be
installed by
customer)
GA 90 230 197 2x (3x250) 3x400 --
GA 90 400 110 2x (3x160) 3x224 --
GA 90 500 87 2x (3x125) -- 3x200
GA/GR 110 230 229 2x (3x300) -- --
GA/GR 110 400 134 2x (3x200) 3x300 --
GA/GR 110 500 107 2x (3x160) -- 3x224
GA/GR 132 230 270 2x (3x355) -- --
GA/GR 132 400 161 2x (3x224) 2x315 --
GA/GR 132 500 128 2x (3x200 3x250 --
GA/GR 160 230 345 2x (3x500) -- --
GA/GR 160 400 191 2x (3x250) 3x400 --
GA/GR 160 500 154 2x (3x200) 3x300 --
GA/GR 200 400 233 2x (3x315) -- --
GA/GR 200 500 186 2x (3x250) 3x400 --
Instruction book
2920 1475 06 113