Cooling System - Huawei FusionModule1000A20 Maintenance Manual

FusionModule1000A20 CT Solution
Maintenance Guide
Maintena
nce Item

3.6.2 Cooling System

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