Table of Contents
Advertisement
FusionCol8000-E400 Modular Indirect Evaporative
Cooling System
User Manual
Figure 4-32 Connecting communications cables
If the length of a network cable in the FE teamwork is greater than or equal to
100 m, use the group-based ring networking mode.
1.
2.
3.
Figure 4-33 FE teamwork group-based ring networking (using 13 units as an
example)
----End
4.5.6 (Optional) Installing the T/H Sensors Outside the Unit
Context
T/H sensors outside the unit are used to detect the temperature and humidity in
the hot and cold aisles. The installation positions can be determined based on site
requirements. It is recommended that you deploy them in places where heat
sources are concentrated or where cooling capacity is most likely to be lacking.
The sensors must not face the air outlet of the unit.
Procedure
Step 1 Connect the cable of any T/H sensor outside the unit to the RS485/12V port on
the main control module.
Issue 04 (2022-06-30)
NO TE
Customers can purchase a switch and NetEco as the monitoring system.
Connecting units with odd numbers: Connect the FE_1 port of the unit with
an odd number to the FE_2 port of the unit with the next odd number.
Connecting units with even numbers: Connect the FE_2 port of the unit with
an even number to the FE_1 port of the next unit with an even number.
Connect FE_2 of No. 1 unit and FE_1 of No. 2 unit, and connect the remaining
FE_1 and FE_2 of the last two units.
Copyright © Huawei Technologies Co., Ltd.
4 System Installation
63
Advertisement
Table of Contents
