FusionModule800 Smart Small Data Center
Maintenance Guide
5 Parts Replacement
Issue 02 (2016-11-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
86
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
>
OFF
.
Method 2: Log in to the ECC800 WebUI as admin. Choose
Monitoring
>
Air
Conditioner
>
NetCol5000-A0104
>
Controls
>
Ctrl Info
, set
On/off status on
EMS
>
Off
, and then click
Submit
.
0104
in
NetCol5000-A0104
is variable and subject to changes with the air conditioner connection
sequence. The displayed value prevails.
Step 2
Disconnect the power supplies from the air conditioner control unit and the outdoor unit after
the air conditioner shuts down over the EMS.
Step 3
Open the top cover and left front panel using a Phillips screwdriver.
Step 4
Cut the cable ties on the oil heating belt cable using diagonal pliers and take out the oil
heating belt cable from the electric control box.
Step 5
Open and take out the cable tie of the oil heating belt.
oil heating belt.
Step 6
Install the new oil heating belt and secure it using a cable tie.
Step 7
Reinstall the oil heating belt cable in the electric control box and secure it using a cable tie.
Step 8
Reinstall the left front panel and top cover.
----End
5.3.2.6 Replacing a Pneumatic Switch
Prerequisites
The pneumatic switch needs to be replaced.
A spare pneumatic switch of the same model is available and functional.
Context
This section describes how to replace a high pressure switch or low pressure switch at
the outdoor side. Perform replacing operations after you have checked whether the high
pressure switch or low pressure switch is damaged.
Tools: Phillips screwdriver, welding torch (acoxygen), flat-head screwdriver,
socket wrench, diagonal pliers, refrigerant retrieval device (required based on local
conditions), nitrogen injection and pressure preservation tool, vacuumization tool, and
refrigerant injection tool.
Preparation: Power off the outdoor unit and retrieve the refrigerant in the system.
Procedure
Step 1
Shut down the air conditioner over the EMS.
Method 1: Log in to the ECC800 mobile phone or pad app as admin.
a.
Choose
Home
.