Atlas Copco GA 75+ Instruction Book page 199

Oil-injected rotary screw compressors
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Instruction book
Pressure drop over dryer, Workplace Full-
Feature units
Pressure drop over dryer, Workplace Full-
Feature units
Set point of thermostatic valve
Set point of thermostatic valve
Motor shaft speed
Nominal motor power
Nominal motor power
Temperature of air leaving outlet valve,
Workplace units
Temperature of air leaving outlet valve,
Workplace units
Pressure dew point, Workplace Full-Feature
units
Pressure dew point, Workplace Full-Feature
units
Temperature of air leaving outlet valve,
Workplace Full-Feature units
Temperature of air leaving outlet valve,
Workplace Full-Feature units
Dryer power at full load, Workplace Full-
Feature units
Dryer power at full load, Workplace Full-
Feature units
Dryer power at no load, Workplace Full-
Feature units
Dryer power at no load, Workplace Full-
Feature units
Refrigerant type, Workplace Full-Feature
units
Refrigerant quantity, Workplace Full-
Feature units
Refrigerant quantity, Workplace Full-
Feature units
Cooling water consumption (at water inlet
temperature below 35 ˚C and temperature
rise of 15 ˚C), water-cooled units
Cooling water consumption (at water inlet
temperature below 95 ˚F and temperature
rise of 27 ˚F), water-cooled units
Cooling water consumption (at water inlet
temperature between 35 and 40 ˚C and
temperature rise of 10 ˚C), water-cooled
units
2920 7109 60
7.5 bar 8.5 bar 10 bar
bar(e)
0.25
0.25
psig
3.63
3.63
˚C
40
40
˚F
104
104
r/min
2978
2978
kW
55
55
hp
73.7
73.7
°C
27
27
°F
81
81
˚C
3
3
˚F
37.4
37.4
°C
23
23
°F
73
73
kW
2.4
1.6
hp
3.22
2.15
kW
1.9
1.4
hp
2.55
1.88
R410A R410A R410A R410A R410A R410A
kg
1.1
1.05
lb
2.43
2.31
l/min
50
50
cfm
1.77
1.77
l/min
75
75
100 psi 125 psi 150 psi
0.25
0.25
0.25
3.63
3.63
3.63
40
40
40
104
104
104
2978
3570
3570
55
55
55
73.7
73.7
73.7
27
27
27
81
81
81
3
3
3
37.4
37.4
37.4
23
23
23
73
73
73
1.6
2.6
1.6
2.15
3.49
2.15
1.4
2.3
1.4
1.88
3.08
1.88
1.05
1.3
1.3
2.31
2.87
2.87
50
50
50
1.77
1.77
1.77
75
75
75
0.25
3.63
40
104
3570
55
73.7
27
81
3
37.4
23
73
1.6
2.15
1.4
1.88
1.3
2.87
50
1.77
75
197

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