Replacing A Filter Dryer - Huawei FusionModule800 Maintenance Manual

FusionModule800 Smart Small Data Center
Maintenance Guide
Step 10 Weld the suction and discharge pipes again using welding equipment and reconnect the
compressor cable and ground cable.
The connection box cover is marked U, V, and W. Connect cables according to the cable
sequence and color (red for U, black for V, and blue for W).
Step 11 Reconnect cables to the oil heating belt, secure them using cable ties, and put a thermal
insulation cover on the compressor.
Step 12 Perform a leakage test with nitrogen again.
Step 13 After checking that the air conditioner does not leak, vacuumize the air conditioner and
charge refrigerant.
Step 14 Reinstall the left front panel and right rear panel.
Step 15 Clear up the compressor total runtime.


----End

5.3.2.3 Replacing a Filter Dryer

Prerequisites


Context


Procedure
Step 1 Shut down the air conditioner over the EMS.

Issue 02 (2016-11-15)
Method 1: Log in to the ECC800 mobile phone or pad app as admin.
a. Choose Home.
b. Tap the cabinet that houses the air conditioner in the micro-module view.
c. Tap the air conditioner to be set in the cabinet layout diagram.
d. Choose Real-time Data > Perf Maint, clear up the compressor total runtime.
Method 2: Log in to the ECC800 WebUI as admin. Choose Monitoring > Air
Conditioner > NetCol5000-A0104 > Controls > Performance Maint Ctrl, clear up the
compressor total runtime.
A filter dryer needs to be replaced.
A spare filter dryer of the same model is available and functional.
Tools: welding equipment, refrigerant retrieval device (configured based on local
conditions), Phillips screwdriver, nitrogen cylinder, refrigerant tank, vacuum pump,
pressure gauge, leather hose, protective gloves.
Preparation: Power off the outdoor unit and empty the system of refrigerant.
Method 1: Log in to the ECC800 mobile phone or pad app as admin.
a. Choose Home.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Parts Replacement
82