Maintenance & Troubleshooting
Vertiv | Liebert CRD10 | User Manual
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10.
Regulate the setting point. Meanwhile, check the action of the various function components according to
the control logic
11.
Simulate and inspect the operation-and-working states of protecting units such as High/Low pressure alarm,
High/Low Temperature alarm, High Water Level alarm, and over-temperature alarm and over-temperature
protection.
12.
Check the sensors.
7.4.3
Water-Leak-Detector
When the unit is installed on the raised floor, the water leak detector is arranged on the ground under the
floor; when the unit is installed on the floor, the leakage water detector are arrange on the floor. Confirm
the alarm information through the controller. The detector should be located away from any water pool or
drainage discharge on the floor, 2 to 2.5 meters away from the unit. Do not place it directly under the
machine. Figure 7-1 shows the recommended location for the water-leak-detector:
Figure 7-1 Recommended Location for the Water-Leak-Detector
NOTE: Do not use the water-leak-detector in the vicinity of flammable liquids; do not use it to detect any
flammable liquids.
Location of water
leak detector
Location of water
leak detector
Drain pipes on the ground
Liebert unit
