Technical data

27InRow RD Technical Data Manual
Altitude Correction Factors
Room Condition: 72 DB/50% RH
Altitude (ft)
0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000
Specific volume (ft
3
/lb)
13.58 14.09 14.62 15.18 15.76 16.36 17.00 17.67 18.37 19.11 19.89
Density (lb/ft
3
)
0.074 0.071 0.068 0.066 0.063 0.061 0.059 0.057 0.054 0.052 0.050
Density Ratio
1.000 0.964 0.929 0.895 0.862 0.830 0.799 0.769 0.739 0.711 0.683
Capacity Correction
1.000 0.981 0.962 0.933 0.913 0.884 0.865 0.846 0.826 0.807 0.787
Density ratio is used for air flow correction factor.
Capacity correction is used to derate performance.
Sound Performance Data
ACRD100 and ACRD200 Series Tested Sound Data
Fan
Speed %
Fan
RPM
Airflow
m
3
/s
(SCFM)
Sound Power dB at Frequency Hz re: 10
-12
W
Lp Sound
Pressure
dB re: 20
µPa*
125 250 500 1000 2000 4000 8000 dBA** dBA
100 4300
1.08
(2290)
70.3 80.8 83.3 85.3 80.3 77.8 72.3 88.3 82.2
90 3800
0.92
(1950)
68.3 81.8 78.8 80.8 77.3 74.3 68.3 84.5 78.4
80 3450
0.85
(1800)
67.3 80.3 77.3 78.2 76.3 71.8 66.3 82.7 76.6
70 3000
0.78
(1650)
65.3 76.3 74.8 77.8 73.8 67.8 61.3 80.8 74.7
60 2300
0.66
(1400)
62.3 68.3 69.8 74.8 67.8 59.3 53.3 76.5 70.5
*Weighted Sound Pressure dBA in a 28.3 m
3
(1000 ft
3
) room at 1.5 m (5-ft) distance.
**Based on compressor operating at full speed.
ACRD500 Series Air-cooled Tested Sound Data
Fan
Speed%
Airflow
m
3
/s
(SCFM)
Sound Power dB at Frequency Hz re: 10
-12
W
Lp Sound
Pressure dB
re: 20
µPa*
125 250 500 1000 2000 4000 8000 dBA** dBA
50 1.27 (2700) 84.5 87.5 78.0 77.5 75.0 66.5 65.5 83.4 72.8
75 1.79 (3800) 92.5 90.0 84.0 81.5 77.5 71.5 68.5 87.6 76.8
100 2.36 (5000) 90.0 98.0 91.0 85.0 81.0 76.5 72.0 92.3 82.8
*Weighted Sound Pressure dBA in an 8200 ft
3
(232.2 m
3
) room at 6 ft (1.8 m) distance.
**Based on compressor operating at full speed.