Installing Chilled Water Ac Unit; Installation Requirement - Emerson Chilled Water Series User Manual

14 Chapter 2 Mechanical Installation
Side panel cut-out locations
If piping and wiring from the base are difficult, connection from side panel can be selected. The locations and
dimensions of knock-out holes are shown in Figure 2-16. You can select the in and out holes according to the
factual needs, but must confirm that any two cables of pipe, power cable and signal cable cannot use the
same hole.

2.3 Installing Chilled Water AC Unit

2.3.1 Installation Requirement

Equipment room requirement
The requirements of equipment room are as follows:
1. Damp proof and heat preservation must be done to make sure that the system can operate normally.
2. The equipment room should have good heat insulation and sealed damp proof layer. The damp proof layer
of the ceiling and walls must use polyethylene film, and the coating of the concrete wall and the floor must be
damp proof.
3. Prevent the outdoor air from entering the equipment room, because the outdoor air that enters the
equipment room may increase the load of heating, cooling, humidifying and dehumidification of the system. It
is recommended that the inhalation of outdoor air be kept below 5% of the total indoor airflow.
4. All the doors and windows should be closed and the seams should be as narrow as possible.
Installation space requirement
 Note
The chilled water AC will generate condensed water, and water leakage may damage the precision equipment nearby. So do not
install the system in the vicinity of any precision equipment, and the installation site must provide drain pipes.
1. To ensure normal operation, the installation space for the indoor unit shall be capacious enough.
knock-out hole
3-Ф 35 knock-out holt Φ
3-Ф 35 knock-out holt Φ
91.4
Figure 2-16 Knock-out holes of side panel (unit: mm)
Liebert.PEX Chilled Water Series Air Conditioner User Manual
knock-out hole
2-Ф 80 knock-out holt Φ
79.3
95.7
Upflow series
108.5
knock-out hole
2-Ф 80 knock-out holt Φ
knock-out hole
253.5
Downflow series
110.8
70
174.7
90.2