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TABLE 10: DY048 INDOOR SOUND POWER LEVELS (VERTICAL DUCTED INLET) |
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| UNIT DESCRIPTION / MODEL |
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| DY048 / 4 Ton |
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| CONFIGURATION |
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| Vertical Ducted Inlet |
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| Indoor Blower Speed (RPM) | 791 | 794 | 1084 | 1095 |
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| Blower Static Pressure (IWG) | 0.2 | 0.5 | 0.2 | 1.0 |
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| Airflow (CFM) | 1408 | 1000 | 2336 | 1275 |
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| Blower Motor BHP | 0.54 | 0.42 | 1.12 | 0.73 |
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| ID Blower | Cooling | ID Blower | Cooling | ID Blower | Cooling | ID Blower | Cooling |
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| Octave Center Freq. | Operation2 | Operation2 | Operation2 | Operation2 | |||||
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| Only (dB) | (dB) | Only (dB) | (dB) | Only (dB) | (dB) | Only (dB) | (dB) | |
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| 63 | 76 | 95 | 77 | 93 | 80 | 91 | 79 | 91 |
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| 125 | 68 | 84 | 67 | 82 | 76 | 84 | 73 | 80 |
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| 250 | 54 | 57 | 52 | 56 | 63 | 61 | 57 | 59 |
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| 500 | 48 | 53 | 46 | 53 | 54 | 57 | 50 | 53 |
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| 1000 | 43 | 44 | 40 | 41 | 52 | 52 | 47 | 47 |
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| 2000 | 40 | 43 | 38 | 42 | 49 | 51 | 44 | 46 |
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| 4000 | 38 | 43 | 36 | 40 | 49 | 54 | 43 | 45 |
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| 8000 | 43 | 43 | 43 | 43 | 45 | 47 | 44 | 44 |
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1.Tested in accordance with ARI Standard 260. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning Equipment .
2.Cooling Operation – ID blower, compressor and outdoor fan operating.
3.Test Duct Dimension: 12 in. wide x 18 in. high x 8 ft. long (0.30m x 0.46m x 2.44m).
4.Test duct termination is flush with reverberation room wall.
5.Duct end (sound reflection) correction: (11, 6, 3, 1, 0, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 4k, 8k) Hz.
TABLE 11: DY048 INDOOR SOUND POWER LEVELS (VERTICAL DUCTED DISCHARGE)
UNIT DESCRIPTION / MODEL |
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| DY048 / 4 Ton |
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CONFIGURATION |
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| Vertical Ducted Discharge |
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Indoor Blower Speed (RPM) | 791 | 794 | 1084 | 1095 | ||||
Blower Static Pressure (IWG) | 0.2 | 0.5 | 0.2 | 1.0 | ||||
Airflow (CFM) | 1408 | 1000 | 2336 | 1275 | ||||
Blower Motor BHP | 0.54 | 0.42 | 1.12 | 0.73 | ||||
| ID Blower | Cooling | ID Blower | Cooling | ID Blower | Cooling | ID Blower | Cooling |
Octave Center Freq. | Operation2 | Operation2 | Operation2 | Operation2 | ||||
| Only (dB) | (dB) | Only (dB) | (dB) | Only (dB) | (dB) | Only (dB) | (dB) |
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63 | 78 | 95 | 77 | 93 | 85 | 92 | 82 | 91 |
125 | 73 | 84 | 72 | 82 | 84 | 87 | 78 | 82 |
250 | 56 | 58 | 53 | 56 | 68 | 68 | 60 | 61 |
500 | 51 | 54 | 48 | 53 | 61 | 62 | 54 | 55 |
1000 | 46 | 46 | 43 | 44 | 57 | 57 | 50 | 50 |
2000 | 42 | 44 | 38 | 42 | 53 | 54 | 46 | 48 |
4000 | 43 | 45 | 39 | 41 | 55 | 57 | 49 | 50 |
8000 | 44 | 44 | 43 | 43 | 52 | 52 | 46 | 47 |
1.Tested in accordance with ARI Standard 260. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning Equipment .
2.Cooling Operation – ID blower, compressor and outdoor fan operating.
3.Test Duct Dimension: 12 in. wide x 18 in. high x 8 ft. long (0.30m x 0.46m x 2.44m).
4.Test duct termination is flush with reverberation room wall.
5.Duct end (sound reflection) correction: (11, 6, 3, 1, 0, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 4k, 8k) Hz.
12 | Johnson Controls Unitary Products |
