Vertiv | Liebert® CRV4 | User Manual 23
Mechanical Installation
No. Description No. Description
1 Mounting screw M5x12 2 Cabinet connector
Figure 3-11 Schematic Diagram for Connecting the ( L-shaped ) Cabinet Connector
4. Install the other six cabinet connectors based on the same method explained in steps 1 to 3.
3.3. Unit Piping Installation
There are four kinds of piping to be joint as follows:
• Condensed water drainage piping connection of the indoor unit
• Electrode humidier water inlet piping connection
• Connection of the copper piping (discharge and liquid pipes) between the indoor and outdoor units
• Long piping kit (optional)
The following points need to be taken into consideration during the piping process:
• All the joints of the refrigerating piping must be silver-brazed.
• The selection, layout, and xing of the piping should comply to the industry standards and norms.
• Vacuum pumping, refrigerant charging operations and procedures must comply to the industry
standards.
• Pressure drop, compressor oil return, noise, and vibration must be considered during the designing and
installation process.
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