Huawei NetCol8000-A Maintenance And Troubleshooting Manual page 44

Replacing Water Supply Valve (2)
（ 1 ） Nut of the
water inlet pipe
（ 3 ） Water supply
valve
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（ 2 ） Connection nut
Step 3 Fix the connective nut shown by 2
in Figure using an adjustable wrench, and
loosen the nuts at both ends (as shown by
1 in Figure) using an adjustable wrench.
Then remove the water injection solenoid
valve;
Step 4 Perform Step 2 to Step 3 in
reverse order to reinstall the new water
supply valve.
Step 5 Power on the equipment. On the
main screen, choose Maint >
Diagnostic Mode > Enter, on the main
menu, open the water supply valve and
humidif er, and check that the humidif er
works properly. Then exit from the
diagnostic mode.
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