Sound Performance - York Predator ZT037 Technical Manual

5167821-YTG-J-0518

Sound Performance

Indoor Sound Power Levels (3 thru 5 Ton)
Indoor Sound Power Levels (Horizontal Ducted Inlet, Standard Static Belt Drive)
UNIT DESCRIPTION / MODEL
TEST CONFIGURATION
Indoor Blower Speed (RPM)
External Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
Octave Center Freq. Hz
63
125
250
500
1000
2000
4000
8000
1. Cooling Operation – ID blower, compressor and outdoor fan operating at 230 VAC.
• Tested in accordance with AHRI Standard 260-2001. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning
Equipment.
• Testing datum includes effect of standard inlet air filters.
• Test duct dimension: 18 in. wide x 28 in. high x 8 ft. long, no elbows.
• Test duct termination is flush with reverberant room wall.
• Duct end (sound reflection) corrections included: (7.2, 3.4, 1.2, 0.4, 0.1, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 2k, 4k, 8k) Hz respectively.
UNIT DESCRIPTION / MODEL
TEST CONFIGURATION
Indoor Blower Speed (RPM)
External Static Pressure (IWG)
Airflow (CFM)
Blower Motor BHP
Octave Center Freq. Hz
63
125
250
500
1000
2000
4000
8000
1. Cooling Operation – ID blower, compressor and outdoor fan operating at 230 VAC.
• Tested in accordance with AHRI Standard 260-2001. Refer to 2001 Standard for Sound Rating of Ducted Air Moving and Conditioning
Equipment.
• Testing datum includes effect of standard inlet air filters.
• Test duct dimension: 18 in. wide x 28 in. high x 8 ft. long, no elbows.
• Test duct termination is flush with reverberant room wall.
• Duct end (sound reflection) corrections included: (7.2, 3.4, 1.2, 0.4, 0.1, 0, 0, 0) dB at (63, 125, 250, 500, 1k, 2k, 4k, 8k) Hz respectively.
34
612 - 3 Turns Open Equivalent
0.5
850
0.37
ID Blower Only (dB) Cooling Operation
73
61
56
51
44
41
44
42
612 - 3 Turns Open Equivalent
0.5
850
0.37
ID Blower Only (dB) Cooling Operation
73
61
56
51
44
41
44
42
ZT037 / 3 Ton / Standard Static Belt Drive
Horizontal (Side Return) Ducted Inlet
1
(dB) ID Blower Only (dB)
77
70
63
56
48
44
47
44
ZT049 / 4 Ton / Standard Static Belt Drive
Horizontal (Side Return) Ducted Inlet
1
(dB) ID Blower Only (dB)
77
70
63
56
48
44
47
44
709 - 1 Turn Open Equivalent
0.4
1300
0.40
Cooling Operation
73 77
66 71
60 64
55 57
51 52
48 49
47 48
43 44
709 - 1 Turn Open Equivalent
0.4
1300
0.40
Cooling Operation
73 77
66 71
60 64
55 57
51 52
48 49
47 48
43 44
Johnson Controls Ducted Systems
1
(dB)
1
(dB)