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| Indoor Sound Power Levels (Vertical Ducted Inlet, High Static Belt Drive) |
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| UNIT DESCRIPTION / MODEL |
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| ZH/ZJ/ZR037 / 3 Ton / High Static Belt Drive |
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| TEST CONFIGURATION |
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| Vertical (Bottom Return) Ducted Inlet |
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| Indoor Blower Speed (RPM) | 927 - 3 Turns Open Equivalent |
| 1,085 - 1/2 Turn Open Equivalent |
| 1,190 - 2.5 Turns Open Equivalent1 |
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| External Static Pressure (IWG) |
| 1.0 |
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| 1.6 |
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| 2.01 |
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| Nominal Airflow (CFM) |
| 1,200 |
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| 1,100 |
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| 1,000 |
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| Blower Motor BHP |
| 0.68 |
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| 0.93 |
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| 1.09 |
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| Octave Center Freq. Hz | ID Blower |
| Cooling |
| ID Blower |
| Cooling |
| ID Blower |
| Cooling | |
| Only (dB) |
| Operation2 (dB) |
| Only (dB) |
| Operation2 (dB) |
| Only (dB) |
| Operation2 (dB) | ||
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| 63 | 77 |
| 79 |
| 82 |
| 83 |
| 79 |
| 81 |
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125 | 68 |
| 69 |
| 70 |
| 71 |
| 72 |
| 73 |
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250 | 60 |
| 67 |
| 62 |
| 69 |
| 64 |
| 67 |
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500 | 58 |
| 58 |
| 63 |
| 63 |
| 62 |
| 63 |
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1000 | 54 |
| 55 |
| 60 |
| 60 |
| 60 |
| 60 |
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2000 | 48 |
| 49 |
| 56 |
| 56 |
| 55 |
| 55 |
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4000 | 43 |
| 44 |
| 48 |
| 49 |
| 51 |
| 51 |
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8000 | 44 |
| 44 |
| 45 |
| 46 |
| 47 |
| 47 |
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1.Requires driven pulley
2.Differentials for Cooling Operation (IDB, COMP, & ODF) are logarithmically calculated from the horizontal flow sound test.
•Tested in accordance with ARI Standard
•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 |
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| ZH/ZJ/ZR049 / 4 Ton / High Static Belt Drive |
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TEST CONFIGURATION |
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| Vertical (Bottom Return) Ducted Inlet |
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Indoor Blower Speed (RPM) | 968 - 5.5 Turns Open Equivalent |
| 1,120 - 3.5 Turns Open Equivalent |
| 1,218 - 2.0 Turns Open Equivalent | ||||||
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External Static Pressure (IWG) |
| 1.0 |
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| 1.6 |
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| 2.0 | |||
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Nominal Airflow (CFM) |
| 1,600 |
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| 1,400 |
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| 1,200 | |||
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Blower Motor BHP |
| 0.86 |
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| 1.03 |
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| 1.13 | |||
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Octave Center Freq. Hz | ID Blower |
| Cooling |
| ID Blower |
| Cooling |
| ID Blower |
| Cooling |
Only (dB) |
| Operation1 (dB) |
| Only (dB) |
| Operation1 (dB) |
| Only (dB) |
| Operation1 (dB) | |
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63 | 77 |
| 79 |
| 78 |
| 78 |
| 81 |
| 81 |
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125 | 69 |
| 73 |
| 71 |
| 73 |
| 73 |
| 74 |
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250 | 63 |
| 63 |
| 63 |
| 64 |
| 66 |
| 66 |
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500 | 63 |
| 64 |
| 62 |
| 63 |
| 64 |
| 64 |
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1000 | 59 |
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| 61 |
| 61 |
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2000 | 54 |
| 54 |
| 53 |
| 54 |
| 56 |
| 56 |
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4000 | 49 |
| 49 |
| 48 |
| 48 |
| 50 |
| 51 |
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8000 | 45 |
| 46 |
| 45 |
| 46 |
| 47 |
| 47 |
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1. Differentials for Cooling Operation (IDB, COMP, & ODF) are logarithmically calculated from the horizontal flow sound test.
•Tested in accordance with ARI Standard
•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 Unitary Products | 131 |
