Dj048 Indoor Sound Power Levels; Vertical Ducted Inlet; Vertical Ducted Discharge - York DJ 036 Technical Manual

TABLE 10: DJ048 INDOOR SOUND POWER LEVELS (VERTICAL DUCTED INLET)
UNIT DESCRIPTION / MODEL
CONFIGURATION
Indoor Blower Speed (RPM)
Blower Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
Octave Center Freq.
63
125
250
500
1000
2000
4000
8000
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: DJ048 INDOOR SOUND POWER LEVELS (VERTICAL DUCTED DISCHARGE)
UNIT DESCRIPTION / MODEL
CONFIGURATION
Indoor Blower Speed (RPM)
Blower Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
Octave Center Freq.
63
125
250
500
1000
2000
4000
8000
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.
18
791
0.2
1408
0.54
Cooling
ID Blower ID Blower
2
Operation
Only (dB) Only (dB)
(dB)
76 95 77
68 84 67
54 57 52
48 53 46
43 44 40
40 43 38
38 43 36
43 43 43
791
0.2
1408
0.54
Cooling
ID Blower ID Blower
2
Operation
Only (dB) Only (dB)
(dB)
78 95 77
73 84 72
56 58 53
51 54 48
46 46 43
42 44 38
43 45 39
44 44 43
DJ048 / 4 Ton / Belt Drive

Vertical Ducted Inlet

794 1084
0.5 0.2
1000 2336
0.42 1.12
Cooling
ID Blower
2
Operation Operation
Only (dB)
(dB)
93 80
82 76
56 63
53 54
41 52
42 49
40 49
43 45
DJ048 / 4 Ton / Belt Drive

Vertical Ducted Discharge

794 1084
0.5 0.2
1000 2336
0.42 1.12
Cooling
ID Blower
2
Operation Operation
Only (dB)
(dB)
93 85
82 84
56 68
53 61
44 57
42 53
41 55
43 52
036-21687-002-A-1105
1095
1.0
1275
0.73
Cooling Cooling
ID Blower
2
Operation
Only (dB)
(dB) (dB)
91 79 91
84 73 80
61 57 59
57 50 53
52 47 47
51 44 46
54 43 45
47 44 44
1095
1.0
1275
0.73
Cooling Cooling
ID Blower
2
Operation
Only (dB)
(dB) (dB)
92 82 91
87 78 82
68 60 61
62 54 55
57 50 50
54 46 48
57 49 50
52 46 47
Unitary Products Group
2
2