NetCol5000-A 42 kW Air Cooled In-row Precision Air
Conditioner
User Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 3-44 Securing a differential pressure sensor
Step 2 Connect a pressure inlet tube to the + mark on the micro differential pressure sensor and route
it to the cold aisle through the hole on the top of the cabinet. Connect another pressure inlet
tube to the – mark on the micro differential pressure sensor and route it to the hot aisle
through the hole on the top of the cabinet, as shown in step 2 in Figure 3-44.
Step 3 Connect the three terminals of 12 V DC, GND, and 0-5 V feedback of differential pressure
sensor cable to ports 1, 2, and 3 (from left to right) on the X303 terminal, as shown in Figure
3-45.
Figure 3-45 Connecting a differential pressure sensor
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