York Predator ZT037 Technical Manual page 40

5167821-YTG-J-0518
Indoor Sound Power Levels (Horizontal Ducted Inlet, High Static Belt Drive)
UNIT DESCRIPTION / MODEL
TEST CONFIGURATION
Indoor Blower Speed (RPM)
External Static Pressure (IWG)
Nominal Airflow (CFM)
Blower Motor BHP
Octave Center Freq. Hz
63
125
250
500
1000
2000
4000
8000
1. Requires driven pulley #AK-56, normal high static pulley is an #AK-69.
2. 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)
Nominal 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.
40
876 - 4 Turns Open Equivalent
1.0
1,200
0.64
ID Blower Cooling
2
Only (dB) Operation (dB)
75 80
69 71
62 68
54 56
52 56
47 49
43 45
43 45
965 - 5.5 Turns Open Equivalent
1.0
1,600
0.86
ID Blower Cooling
1
Only (dB) Operation
74 80
69 74
68 68
62 62
60 61
57 57
56 56
54 54
ZT037 / 3 Ton / High Static Belt Drive
Horizontal (Side Return) Ducted Inlet
1,064 - 1/2 Turn Open Equivalent
1.6
1,100
0.93
ID Blower Cooling
Only (dB) Operation
81
71
66
57
56
52
48
45
ZT049 / 4 Ton / High Static Belt Drive
Horizontal (Side Return) Ducted Inlet
1,088 - 4 Turns Open Equivalent
1.6
1,400
1.03
ID Blower
(dB) Only (dB) Operation
77
72
68
60
58
53
49
45
1,190 - 2.5 Turns Open Equivalent
2.0
1,000
1.08
ID Blower
2
(dB) Only (dB)
81 81
73 73
71 68
59 59
58 58
52 54
49 51
46 47
1,186 - 2.5 Turns Open Equivalent
1,200
Cooling ID Blower
1
(dB) Only (dB)
80 81
75 75
69 70
61 61
58 59
54 55
50 51
47 47
Johnson Controls Ducted Systems
1
1
Cooling
2
Operation (dB)
83
75
70
60
60
56
53
48
2.0
1.13
Cooling
1
Operation (dB)
81
76
71
63
60
56
52
48