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Unitary Products Group 17
TABLE 8: DJ048 INDOOR SOUND POWER LEVELS (HORIZONTAL DUCTED INLET)
UNIT DESCRIPTION / MODEL
CONFIGURATION
Indoor Blower Speed (RPM)
Blower Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
63 74 97 74 95 77 90 77 90
125 70 86 69 86 73 78 72 77
250 53 58 52 57 60 61 58 61
500 49 55 47 54 54 56 51 53
1000 42 42 38 39 50 55 45 45
2000 40 44 38 43 48 51 45 46
4000 38 44 36 41 48 52 43 45
8000 42 43 42 44 45 48 44 45
DJ048 / 4 Ton / Belt Drive
Horizontal Ducted Inlet
766 769 1077 1087
0.2 0.5 0.4 1.0
1.24 0.90
1484 993 2270 1406
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
0.67 0.54
Cooling
Operation
2
(dB)
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).
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
Octave Center Freq.
ID Blower
Only (dB)
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 9: DJ048 INDOOR SOUND POWER LEVELS (HORIZONTAL DUCTED DISCHARGE)
UNIT DESCRIPTION / MODEL
CONFIGURATION
Indoor Blower Speed (RPM)
Blower Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
63 77 97 75 95 84 91 82 91
125 72 86 69 85 81 83 78 80
250 60 62 57 59 71 71 66 67
500 53 56 49 54 60 61 55 56
1000 47 47 42 43 58 59 52 52
2000 45 46 40 43 54 55 50 50
4000 46 47 40 42 57 58 52 52
8000 47 47 45 45 54 54 48 49
DJ048 / 4 Ton / Belt Drive
Horizontal Ducted Discharge
766 769 1077 1087
0.2 0.5 0.4 1.0
1484 993 2270 1406
0.67 0.54 1.24 0.90
Cooling
Operation
2
(dB)
1. Tested in accordance with ARI Standard 260. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning Equipment.
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
Octave Center Freq.
ID Blower
Only (dB)
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.
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).
Cooling
Operation
2
(dB)
ID Blower
Only (dB)