Huawei FusionModule1000A20, Руководство по обслуживанию

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FusionModule1000A20 CT Solution
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-02-25) Copyright © Huawei Technologies Co., Ltd. 38
Maintena
nce Item Operation Check
Standard Troubleshooting
Check whether the
coating of the
power system
flakes off or has
scratches. The power
system is not
damaged or
deformed. Repaint and repair the exterior.
Check whether the
ground points
properly connect to
the equipment
room ground bar. Ground points
are reliably
connected. Secure the ground point or replace
the ground cable.
3.6.2 Cooling System
Table 3-15 Semi-annual maintenance checklist for the cooling system
Main
tenan
ce
Item Operation Check Standard Troubleshooting
Disch
arge
pipe Check the
pressure at
the needle
valve of the
discharge
pipe. Discharge pressure range
 Ambient temperature of
10–15°C: 1.0–1.5 MPa
 Ambient temperature of
15–35°C: 1.5–2.0 MPa
 Ambient temperature of
35–45°C: 2.0–2.5 MPa
See Alarms for the Cooling
System.
Measures
ambient
temperatures.
Suctio
n pipe Check the
pressure at
the needle
valve of the
suction pipe. Pressure range: 0.3–0.65 MPa See Alarms for the Cooling
System.
Measure the
temperature
of the pipe
wall on
which the
sensing bulb
is mounted. Superheat degree
a
range: 5–8°C If the superheat degree is too
large or too small, adjust it to
a proper value or contact
Huawei technical support.