user manual

528150-YTG-G-1210
128 Johnson Controls Unitary Products
Indoor Sound Power Levels (Horizontal Ducted Inlet, High Static Belt Drive)
UNIT DESCRIPTION / MODEL ZH/ZJ/ZR037 / 3 Ton / High Static Belt Drive
TEST CONFIGURATION Horizontal (Side Return) Ducted Inlet
Indoor Blower Speed (RPM)
876 - 4 Turns Open Equivalent 1,064 - 1/2 Turn Open Equivalent 1,190 - 2.5 Turns Open Equivalent
1
External Static Pressure (IWG) 1.0 1.6 2.0
1
Nominal Airflow (CFM) 1,200 1,100 1,000
Blower Motor BHP
0.64 0.93 1.08
Octave Center Freq. Hz
ID Blower
Only (dB)
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
Cooling
Operation
2
(dB)
ID Blower
Only (dB)
Cooling
Operation
2
(dB)
63
75 80 81 81 81 83
125
69 71 71 73 73 75
250
62 68 66 71 68 70
500
54 56 57 59 59 60
1000
52 56 56 58 58 60
2000
47 49 52 52 54 56
4000
43 45 48 49 51 53
8000
43 45 45 46 47 48
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 ARI 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 ZH/ZJ/ZR049 / 4 Ton / High Static Belt Drive
TEST CONFIGURATION Horizontal (Side Return) Ducted Inlet
Indoor Blower Speed (RPM)
965 - 5.5 Turns Open Equivalent 1,088 - 4 Turns Open Equivalent 1,186 - 2.5 Turns Open Equivalent
External Static Pressure (IWG)
1.0 1.6 2.0
Nominal Airflow (CFM)
1,600 1,400 1,200
Blower Motor BHP
0.86 1.03 1.13
Octave Center Freq. Hz
ID Blower
Only (dB)
Cooling
Operation
1
(dB)
ID Blower
Only (dB)
Cooling
Operation
1
(dB)
ID Blower
Only (dB)
Cooling
Operation
1
(dB)
63
74 80 77 80 81 81
125
69 74 72 75 75 76
250
68 68 68 69 70 71
500
62 62 60 61 61 63
1000
60 61 58 58 59 60
2000
57 57 53 54 55 56
4000
56 56 49 50 51 52
8000
54 54 45 47 47 48
1. Cooling Operation – ID blower, compressor and outdoor fan operating at 230 VAC.
• Tested in accordance with ARI 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.