Figure 4-27 FE teamwork group-based ring networking (using 13 units as an
example)
----End
Scenario Switching
Scenario
Operation
Switching from
the independent
wiring scenario to
the shared wiring
scenario
1. Retain the cable connection to the COM/FE port on a
unit, and disconnect the cables from the COM/FE ports
on other units.
NOTICE
Only the cable connection to the COM/FE port on one unit can
be retained. Otherwise, the communication will fail.
2. Set Monitor FE wiring mode to Shared wiring on the
Access Control screen of each unit.
Switching from
the shared wiring
scenario to the
independent
wiring scenario
1. Set Monitor FE wiring mode to Independent wiring on
the Access Control screen of each unit.
2. Connect the COM/FE port on the main control module
of each unit to the FE port on the host.
4.5.5 Installing Power Cables
Procedure
Step 1 Route power cables through the external cable holes.
Step 2 Open the electric control box outside the unit.
Step 3 Connect one end of the active and standby power cables to the active/standby
power supply terminals/PE terminal through the cable holes in the electric control
box of the unit, and connect the other end to the power supply.
FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
4 System Installation (Building Scenario)
Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
60