Huawei NetCol5000-C Series User Manual page 178

NetCol5000-C(065, 080) In-row Chilled Water Smart
Cooling Product
User Manual
Procedure
Step 1 Tap Shutdown on the LCD home screen and switch off the active input circuit breaker,
standby input circuit breaker, and the external power supply.
Step 2 Open the rear door and remove the air filter.
Step 3 Remove the circuit breaker cover, remove the cord end terminals 1, 2, 3, and 5 from the
actuator using a small-sized flat-head screwdriver, and cut off the cable ties of the actuator to
ensure that the actuator cables are separated from the unit.
Step 4 Manually set the chiller water valve opening to 100%.
1.
2.
3.
Step 5 Install a new water valve actuator.
1.
Issue 07 (2020-03-16)
Pull out the actuator handle upwards, as shown by (1) in
Figure 6-12 Removing the actuator of the chilled water valve
Insert the hex key on the handle into the hole in the front of the actuator, as shown by (2)
in Figure 6-12.
Turn the handle in the direction shown by (3) in
remove the actuator.
Use an actuator handle to remove the locating pin from the hole in the new actuator
mounting kit.
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6 System Operation and Maintenance
Figure 6-12.
Figure 6-12 to loosen the screw and
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