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NetCol5000-A021 In-row Air Cooled Smart Cooling
Product
User Manual (208 V)
Check Item
Differential
pressure switch
Table 3-17 Check items on pipes
Expected Result
Ports are connected properly. The pipe routes have oil traps,
inverted traps, gradients (of refrigerant pipes), and supports.
The hose clamps and cable ties of the condensate water pipe
are reliably secured.
All pipes are secured reliably.
All pipes are wrapped with thermal insulation foam, and the
insulation foam is intact.
Water pipe joints are sealed by sealant.
The needle valve plug is secured and equipped with a valve
bonnet.
Check that the needle valve plug is secured (torque of
0.45±0.05 N•m), and valve bonnet is tightened.
The pipes have no sharp bends.
Table 3-18 Check items on electrical connections
Expected Result
The cables have no sharp bends.
Cables are intact.
No open or short circuits, or incorrect connections occur in
electrical loops.
The power cables to the indoor and outdoor units, signal cable
to the outdoor unit, teamwork cable, and the T/H sensors are
connected properly.
The rated specifications of the general switch meet the
maximum current requirement.
All cables, connectors, and bolts are secured.
Devices are properly grounded.
Issue 03 (2020-01-10)
Expected Result
The cable ties on the differential pressure
tubes are secured.
There is no foreign matter in the
differential pressure tubes. The differential
pressure tubes are not seriously bent.
Copyright © Huawei Technologies Co., Ltd.
3 Installation Guide
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