How Can I Set And Add An Envicool Air Conditioner (Modbus-Rtu) - Huawei SmartDC V100R021C10 User Manual

ECC800 Data Center Controller
User Manual
8.7.9 How Can I Set and Add an Envicool Air Conditioner
(Modbus-RTU)?
Prerequisites
One end of the straight-through cable has been connected to terminals 1 and 2
on the air conditioner electric control box, and the other end has been connected
to the COM/AIDI port on the ECC800-Pro collector or UIM20A.
(Optional) One end of the straight-through cable has been connected to terminals
7 and 8 on the air conditioner electric control box, and the other end has been
connected to the COM/AIDI port on the ECC800-Pro collector or UIM20A.
Procedure
Step 1 Set monitoring parameters for the air conditioner.
1.
2.
Step 2 Add an Envicool air conditioner (Modbus-RTU).
1.
2.
Issue 04 (2021-10-09)
NO TE
● Terminals 1 and 2 of the air conditioner electric control box are RS485+ and RS485–,
respectively. Terminals 7 and 8 are Boolean dry contacts, which are polarity insensitive.
● Cables need to be connected to both the Envicool CRU and IFX terminal.
On the home screen of the air conditioner, click SetPoint, enter the password
8866, and click OK.
On the air conditioner parameter setting page, set MonAddr to 1.
Log in to the ECC800-Pro WebUI as an administrator.
Add an Envicool air conditioner.
Table 8-8 Adding an Envicool CRU
Path Parameter
Choose Device
System attribute
Settings >
Device Type
Device
Management
and click Add
Connect To
Device.
Copyright © Huawei Technologies Co., Ltd.
Setting
Select Air Conditioner from the drop-
down list box.
Select ENVICOOL-CRU from the drop-
down list box.
Select ECC800 from the drop-down list
box.
NOTE
If the other end of the straight-through cable is
connected to the COM port on the UIM20A,
select UIM.
8 FAQ
312