EMW90HDNC1U Air-cooled Chiller
Table 6-2 Fans maintenance
Maintenance
Item
Maintenance
Standard
Maintenance
Cycle
Detection
Mode
Troubleshooting
Operational
reliability of fan
the fan and no
foreign matter
blockage at the
tuyere
6 months
Visual
inspection
Clean the dust of the fan
with a brush and clean the
foreign matter at the tuyere
after 10 minutes of power
off.
The fan blades are
not damaged, and
the fan rotates
smoothly without
abnormal noise
6 months
Visual
inspection
After the power is turned off
for 10 minutes, fasten the
fixing screws of the fan and
check whether there is any
internal cable or other
objects interfering with the
rotation of the fan.
If the fan fails, please
replace it.
The above maintenance intervals are only recommended values, you can adjust them according to actual planning.
6.4 Maintenance of Power Cables and Power Terminals
Maintenance of power cables and power terminals is shown in Table 6-3.
Table 6-3 Maintenance of power cable and power terminal
Maintenance
Item
Maintenance
Standard
Maintenance
Cycle
Detection
Mode
Troubleshooting
Reliability of
Power Cable
and Power
Terminal of
Wiring Panel
No looseness of
electrical cables and
terminals
6 months
Visual
inspection
and terminals with a
screwdriver after 10
minutes of power off.
damage, abnormal
heating and other
abnormalities in the
power cable
6 months
Visual
inspection
Replace the power cable
after 10 minutes of power
off.
There is no dust at
the wiring panel
6 months
Visual
inspection
brush after 10 minutes of
power off.
Circuit breaker
works fine
Automatic turned off
when the circuit is
abnormal (such as
short circuit)
6 months
Visual
inspection
Replace the circuit
breaker after 10 minutes
of power off.
The location of the circuit
breaker is shown in
Figure 3-2.
The above maintenance intervals are only recommended values, you can adjust them according to actual planning.
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