9 Checklist for Completed Installation
NOTE: Risk of unintended pump start. Can cause equipment damage.
Do not install the ship loose fuses until the system is fully charged with fluid. Operating pumps without a full fluid
charge can result in equipment damage.
9.1 Start the Vertiv™ CoolPhase CDU
To start the CoolPhase CDU:
1. Open all valves in the secondary cooling circuit according to the instruction label attached to the valve. Verify
valves are located properly and that any electric valves are operating as required. (Refer to Filling and Flushing
Secondary Fluid Circuit on page72 for fluid filling and air venting instructions.)
2. Close the main switch to apply power to the unit.
NOTE: The default setting for the Vertiv™ Liebert® iCOM™ control is for standalone operation. The standalone mode
lets you turn on the unit by rotating the main switch on the electrical panel. The yellow LED on the Liebert® iCOM™
display panel lights after the unit is turned on because electrical power is present.
3. Check the supply voltage on all phases.
4. Check to ensure that there are no water leaks in the secondary cooling circuit.
5. Start the unit through the home menu on the display. Tap the three bars in the upper left of the display, then turn
unit on.
6. Check the amp draw on all components. (See Electrical Connections on page79 .)
9.2 Checks to Perform after Start-up
Once the system is operating under load, check the various components as follows:
1. Verify that the compressors are operating properly.
2. Ensure that the supply fluid temperature and flow are being controlled.
3. Record the following on the warranty inspection form:
a. Compressor and pump voltages and current draws.
b. All fluid temperatures.
c. Fluid entering and leaving pressure.
4. Check the internal filters in the Vertiv™ CoolPhase CDU, external strainers and clean if necessary.
5. Check the water filters and replace if necessary. Required due to possible debris in field piping.
6. Check pressure across pump for proper head.
9 Checklist for Completed
Installation
Proprietary and Confidential ©2024 Vertiv Group Corp. 85
Vertiv™ CoolPhase CDU Installer/User Guide
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