York Predator ZT037 Technical Manual page 41

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.
Indoor Sound Power Levels (Horizontal Ducted Discharge, 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.
Johnson Controls Ducted Systems
1,012- 5.5 Turns Open Equivalent
1.0
2,000
1.04
ID Blower Cooling
1
Only (dB) Operation
76 78
70 73
68 70
61 62
61 62
57 58
56 56
50 50
896 - 3.5 Turns Open Equivalent
1.0
1,200
0.64
ID Blower Cooling
2
Only (dB) Operation
77 81
74 76
67 68
65 66
61 62
58 60
57 59
51 53
ZT061 / 5 Ton / High Static Belt Drive
Horizontal (Side Return) Ducted Inlet
1,134 - 3 Turns Open Equivalent
1.6
1,800
1.25
ID Blower
(dB) Only (dB) Operation
78
73
68
61
61
57
55
50
ZT037 / 3 Ton / High Static Belt Drive
Horizontal (Side Supply) Ducted Discharge
1,072 - Fully Closed Equivalent
1.6
1,100
0.93
ID Blower
(dB) Only (dB) Operation
83
76
70
67
67
63
62
56
5167821-YTG-J-0518
1,174 - 2 Turns Open Equivalent
Cooling ID Blower
1
(dB) Only (dB)
79 79
76 74
69 69
62 60
62 58
58 54
56 52
50 47
1,170 - 2.5 Turns Open Equivalent
Cooling ID Blower
2
(dB) Only (dB)
84 83
77 80
70 72
67 67
67 66
63 63
62 62
57 56
2.0
1,600
1.39
Cooling
1
Operation (dB)
81
77
70
62
60
56
53
48
1
1
2.0
1,000
1.08
Cooling
2
Operation (dB)
84
80
73
68
69
64
63
58
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