Optional) Connecting A Downflow Differential Pressure Sensor - Huawei NetCol8000-C070 User Manual

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
the supply air pipe static pressure box. (There should be two binding points
adjacent to the pressure inlet. The distance between the binding point closer to
the pressure inlet and the pressure inlet should not exceed 25 mm, and the
distance between two binding points is within 20–30 mm). You do not need to
connect the other port on the pressure differential sensor to the PU hose.
● You do not need to connect the other port on the pressure differential sensor to
the PU hose.
● The pressure tube of the differential pressure sensor passes through the middle
of the thermal insulation foam close to the inner side of the cabinet.
Figure 3-50 Connecting the pressure tubes
Step 3 Connect the differential pressure sensor cables to terminals 4, 5, and 6 of X502.
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3.6.10.2 (Optional) Connecting a Downflow Differential Pressure Sensor

Prerequisites
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Context
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Issue 02 (2020-08-30)
NO TICE
The PU hoses for connecting the differential pressure sensor are ready.
The hoses and cables are bound along the routes.
The pressure tube at the air return side needs to be bound to the top cabinet
beam horizontally. If a blocked damper is configured, route the pressure tube
through the hole reserved in the damper enclosure frame, and bind the
pressure tube to the cable bridge inside the damper enclosure frame.
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