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5167821-YTG-K-1118
98
Johnson Controls Ducted Systems
Indoor sound power levels (6.5 to 12.5 ton units)
Indoor sound power levels (vertical ducted discharge)
Unit description/model
ZT078
Test configuration
Vertical (bottom supply) ducted discharge
External static pressure (IWG)
0.4
1.0
1.6
2.0
Nominal airflow (CFM)
2600
2400
2200
2000
Octave band center frequency
(Hz)
Full stage cooling operation
(dB)
1
1. These values have been accessed using a model of sound propagation from a point source into the hemispheric/free field. The dBA values
provided are to be used for reference only. Calculation of dBA values cover matters of system design and the fan manufacture has no way
of knowing the details of each system. This constitutes an exception to any specification or guarantee requiring a dBA value of sound data
in any other form than sound power level ratings
Full stage cooling operation
(dB)
1
Full stage cooling operation
(dB)
1
Full stage cooling operation
(dB)
1
63
83
87
90
91
125
81
83
85
86
250
72
73
74
75
500
69
69
71
72
1000
64
65
67
69
2000
62
62
64
65
4000
61
62
64
65
8000
54
56
57
59
Unit description/model
ZT090
Test configuration
Vertical (bottom supply) ducted discharge
External static pressure (IWG)
0.4
1.0
1.6
2.0
Nominal airflow (CFM)
3000
2800
2600
2400
Octave band center frequency
(Hz)
Full stage cooling operation
(dB)
1
1. These values have been accessed using a model of sound propagation from a point source into the hemispheric/free field. The dBA values
provided are to be used for reference only. Calculation of dBA values cover matters of system design and the fan manufacture has no way
of knowing the details of each system. This constitutes an exception to any specification or guarantee requiring a dBA value of sound data
in any other form than sound power level ratings
Full stage cooling operation
(dB)
1
Full stage cooling operation
(dB)
1
Full stage cooling operation
(dB)
1
63
86
87
89
90
125
85
87
89
90
250
78
79
80
81
500
72
74
75
76
1000
67
69
71
72
2000
65
67
69
70
4000
64
67
68
69
8000
57
60
62
63
Содержание ZT SERIES
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Страница 132: ...5167821 YTG K 1118 132 Johnson Controls Ducted Systems Typical HONEYWELL BAS control wiring diagram...
Страница 133: ...5167821 YTG K 1118 Johnson Controls Ducted Systems 133 Typical NOVAR BAS control wiring diagram...