Features/Benefits (cont)
AEROACOUSTIC™ FAN vs. PROPELLER FAN
90
85
80
75
70
65
60
PENETRATES BUILDING
STRUCTURE
55
50
25
40
63
130
168
250
400
630
1080
1600
2400
4000
6300
8000
1/3 OCTAVE BAND CENTER FREQUENCY (Hz)
AEROACOUSTIC FAN
PROPELLER FAN
AEROACOUSTIC FAN VS PROPELLER FAN
NAVIGATOR™ DISPLAY
SMOOTH ROTARY COMPRESSOR
LOW-NOISE AEROACOUSTIC FAN
TWIN-SCREW DESIGN
3