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

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
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) Installing a Downflow Differential Pressure Sensor

Prerequisites
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Context
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Procedure
Step 1 Secure the differential pressure sensor inside the cabinet using two M3 screws,
with the pressure inlet tube port facing downwards.
Figure 3-61 Installing a differential pressure sensor
Step 2 Connect the shorter PU hose to the Lo (-) port in the upper part of the differential
pressure sensor, and bind the hose to the air return side using cable ties, as shown
by (1) in
sheet metal on the side of the air filter. There should be two binding points near
the pressure inlet. The distance between the two binding points should be 20 mm
Issue 09 (2022-12-15)
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.
After powering on the NetCol8000, choose Settings > System Settings >
Common Settings, and set Air-side difference pressure sensor type to
0~500Pa.
Figure 3-62. (Route the pressure tube through the hole reserved in the
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