Atlas Copco LE 3 - Technical Data; Reference Conditions; Limitations; Compressor Data

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Instruction book
8 Technical data
8.1 Reference conditions
Inlet pressure (absolute) bar 1
Relative air humidity % 0
Air inlet temperature ºC 20
Working pressure:
for LE 10 bar bar(e) 7
8.2 Limitations
Minimum inlet temperature °C 0
Maximum inlet temperature ºC 40
Maximum working pressure bar(e) See below
Only applicable for Full Feature variants. (with refrigerant dryer)
Minimum ambient air temperature °C 5
8.3 Compressor data
50 Hz (10 bar)
Compressor type
LE 2 LE 3 LE 5 LE 7 LE 10 LE 15 LE 20
Maximum working
pressure
bar(e) 10 10 10 10 10 10 10
Maximum working
pressure for Trolley
bar(e) 9.5 9.5 9.5 9.5 9.5 9.5 9.5
Pre-set pressure
difference for Trolley
bar 1 1 1 1 1 1 1
Temperature at outlet valve, approx.
- Unsilenced
compressor
ºC 40 44 66 59 80 70 89
- Silenced compressor ºC 48 52 74 67 88 78 97
Power input at max.
working pressure
kw 1.82 2.54 4.57 6.11 8.28 12.14 16.02
Motor shaft speed r/min 1500 1500 1500 1500 1500 1500 1500
Free air delivery (Note
1)
l/s 3.4 4.4 8.4 11.7 15.7 23.9 31.7
Oil capacity l 0.8 0.8 0.8 1.4 1.4 5.4 5.4
Opening pressure of
safety valve
bar(e) 11 11 11 11 11 11 11
Maximum sound pressure level (Note 2)