Atlas Copco XA(S) 186 Dd - Compressor;Engine Specifications

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Instruction Manual
8.3 COMPRESSOR/ENGINE SPECIFICATIONS
1) For aftercooler application: see APC- XII- Tab 17
2) At reference conditions, if applicable, and at normal shaft speed, unless otherwise
stated.
3) Data Measured according to Tolerance
Free air delivery ISO 1217 ed.3 +/- 5% 25 l/s <FAD<250 l/s
1996 annex D +/- 4% 250 l/s <FAD
The international standard ISO 1217 corresponds to following national standards:
- British BSI 1571 part 1
- German DIN 1945 Part 1
- Swedish SS-ISO 1217
- American ANSI PTC9
Free air delivery = volume flow rate
Compressor type XAHS XATS XA(S) XAVS XAHS
146 Dd 156 Dd 186 Dd 166 Dd 186 Dd
Designation Unit Value Value Value Value Value
Reference conditions
1.Absolute inlet pressure bar(e)11111
2.Relative air humidity %00000
3. Air inlet temperature °C 20 20 20 20 20
4. Nominal effective working pressure bar(e) 12 10.3 7 14 12
The inlet conditions are specified at the
air inlet grating outside the canopy
Limitations
1. Minimum effective receiver pressure bar(e) 4 4444
2. Maximum effective receiver pressure,
compressor unloaded bar(e) 13.5 11.8 8.5 15.5 13.5
3. Maximum ambient temperature at
sealevel
1)
°C 50 50 50 50 45
4. Minimum starting temperature °C - 10 - 10 - 10 - 10 - 10
5. Minimum starting temperature, with
coldstart equipment °C - 20 - 20 - 20 - 20 - 20
6. Altitude capability m 5000 5000 5000 5000 5000
Performance data
2)
1. Engine shaft speed, normal and
maximum r/min 2300 2300 2300 2300 2300
2. Engine shaft speed, compressor
unloaded r/min 1700 1700 1700 1550 1550
3. Engine shaft speed, generator at
maximum load r/min - - - - -
4. Free air delivery
3)
l/s 141 166 185 158 175
5. Fuel consumption:
- at full load kg/h 16.7 18.3 17.4 20.7 20.7
- at full load + generator kg/h - - - - -
- at unload kg/h 8.3 9.6 8.5 12.4 12.4
6. Specific fuel consumption g/m
3
32.9 30.3 26 33.8 33.8
7. Typical oil content of compressed air mg/m
3
< 5< 5< 5< 5< 5
free air
8. Engine oil consumption (maximum) g/h 14 14 14 14 62.1
9. Compressed air temperature at outlet
valves °C 90 90 90 90 95
10.Noise level
- Sound pressure level (LP), measured
according to ISO 2151 under free
field conditions at 7 m distance dB(A) 71 71 71 71 71
- Sound power level (LW) complies
with 2000/14/EC dB(A) 99 99 99 99 99