Replacing The Pump - Huawei NetCol8000-E220 User Manual

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
Figure 6-11 Float replacement
(1) Float
Step 4 Loosen the screws that secure the liquid level switch using a solid wrench and
remove the float.
Step 5 Install the new float and properly connect its terminals.
Step 6 Wrap the screw threads at the end of the float with sealing tape to ensure that
the float will not leak.
Step 7 Remove the air filter next to maintenance door 2 to check that the float is
installed properly.
Ensure that the tail of the float faces downwards and the horizontal angle is
within 3°.
Step 8 Power on the device and tap Startup on the home screen. Ensure that the device is
running normally without any alarms.
Step 9 Close the no.2nd maintenance door.
----End

6.5.7 Replacing the Pump

Prerequisites
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Issue 06 (2020-08-19)
The pump needs to be replaced.
A spare humidifier pump of the same model is available and functional.
Tools: flat-head screwdriver, Phillips screwdriver, socket wrench
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