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Vertiv™ | Liebert® AHU | User Manual
2.1.2. Unpacking ......................................................................................................................................................................................................................... 9
2.1.3. Inspection .........................................................................................................................................................................................................................10
2.2. Installation Preparation (Site Preparation) ...................................................................................................................................................10
2.2.1. Equipment Room Requirements ...............................................................................................................................................................10
2.2.2. Installation Space Requirements .............................................................................................................................................................. 11
2.2.3. Maintenance Space Requirements .........................................................................................................................................................11
2.2.4. Installation Tools ...................................................................................................................................................................................................... 12
2.2.5. System Arrangement during Installation ......................................................................................................................................... 13
2.3. Mechanical Parameters ................................................................................................................................................................................................... 14
2.3.1. Unit Dimension and Weight ...........................................................................................................................................................................14
2.3.2. Upper Section and Lower Section Dimensions ......................................................................................................................... 14
2.3.3. Position and Dimension of Top Cover .................................................................................................................................................16
2.3.4. Position and Dimensions of Steel Base ...............................................................................................................................................17
2.3.5. Position and Dimensions of Air Outlet ................................................................................................................................................ 18
2.3.6. Position and Dimension of Air Inlet ........................................................................................................................................................ 18
2.3.7. Installation .......................................................................................................................................................................................................................19
2.3.8. Pipe Installation ........................................................................................................................................................................................................ 24
2.3.9. Installation Inspection ........................................................................................................................................................................................ 25
2.4. Electrical Installation ......................................................................................................................................................................................................... 26
2.4.1. Installation Precautions .....................................................................................................................................................................................26
2.4.2. Wiring of AHU ............................................................................................................................................................................................................26
2.4.3. Connecting Control Cables ...........................................................................................................................................................................27
2.4.4. Connecting Belt Type Leak Detector ............................................................................................................................................... 28
2.4.5. Remote Shutdown Control Line Connection .............................................................................................................................. 28
2.4.6. Common Alarm ........................................................................................................................................................................................................28
2.4.7. Check the Installation .........................................................................................................................................................................................29