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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
Step 2 Open the front door and turn off the general switch. For a device that has two power inputs,
turn off the active power switch QF1 and standby power switch QF2.
Step 3 Disconnect the interconnection terminal of the actuator cable to separate the actuator cable
from the smart cooling product.
Step 4 Hold down the button on the actuator and manually open the chilled water valve, as shown by
(1) and (2) in
Step 5 Insert a flat-head screwdriver into the hole in front of the actuator, and turn the screwdriver in
the specified direction to unscrew the actuator, as shown by (3) in
Figure 6-12 Removing the actuator of a chilled water valve
Step 6 Install the new water valve actuator by performing
and then secure the cable using cable ties.
----End
6.7.7 Replacing the Chilled Water Valve
Context
Tools: 15# socket wrench, bucket, thermal insulation foam, small-sized flat-head screwdriver,
utility knife, new chilled water valve
Procedure
Step 1 Tap Shutdown on the display's home screen.
Step 2 Open the front door and turn off the general switch. For a device that has two power inputs,
turn off the active power switch QF1 and standby power switch QF2.
Step 3 Cut open the thermal insulation foam around the valve.
Issue 06 (2020-01-13)
Figure
6-12.
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Figure
6-12.
Step 5
to
Step
1, connect the actuator cable,
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