Replacing Inlet Solenoid Valve; Replacing The Lcd - Huawei NetCol8000-C070 User Manual

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual

6.7.9 Replacing inlet solenoid valve

Context
Recommended tools and materials: Phillips screwdriver and a new inlet solenoid
valve.
Procedure
Step 1 Tap Shutdown on the LCD home screen.
Exercise caution because the device is still energized when it is being shut down
over the LCD.
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 Turn off the water injection valve of the inlet solenoid valve.
Step 4 Unplug the cable terminals (YV4.1 and YV4.2).
Step 5 Use the Phillips screwdriver to remove the 2 fastening screws of the sheet metal.
Take out the inlet solenoid valve.
Figure 6-33 Remove screws of the sheet metal
Step 6 Remove the intake tube of the inlet solenoid valve.
Step 7 Install a new inlet solenoid valve by performing
----End

6.7.10 Replacing the LCD

Issue 02 (2020-08-30)
NO TICE
Copyright © Huawei Technologies Co., Ltd.
6 System Operation and Maintenance
Step 6 to Step 1.
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