Replacing The Solenoid Coil On The Liquid Solenoid Valve - Huawei NetCol5000-A020 User Manual

NetCol5000-A020 Air Cooled In-row Precision Air
Conditioner
User Manual
Figure 5-11 Location of solenoid coils
(1) Solenoid coil on the liquid solenoid
valve

5.6.6.1 Replacing the Solenoid Coil on the Liquid Solenoid Valve

Procedure
Step 1 Tap Shutdown on the main menu, switch off the main circuit breaker QF1 and the front end
circuit breaker.
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Step 2 Lever the solenoid coil in the liquid solenoid valve using the flat screwdriver, and pull the
solenoid coil together with the junction box out of the cabinet.
Step 3 Remove bolts using the Phillips screwdriver and pull out the junction box. Install the new
solenoid coil and secure bolts.
Step 4 Fix the solenoid coil onto the sleeve using bolts.
Step 5 Install the air filters and rear door if no problem is found.
----End
Issue 01 (2014-06-30)
Exercise cautions when performing operations on the equipment because the equipment is
under power.
Remove the rear door and the air filters when switch off the main circuit breaker QF1.
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5 System Operation and Maintenance
(2) Solenoid coil on the hot gas bypass
valve
113