Huawei FusionCol8000-E260 Quick Manual page 45

FusionCol8000-E260 Modular Indirect Evaporative
Cooling System
Quick Guide (Building Scenario)
Table 7-3 Signal table
No.
1
2
3
4
5
6
7
8
The unit can be connected to a smoke sensor, remote startup/shutdown signal,
common alarm signal, and water sensor.
Procedure
Step 1 Install a signal cable based on site requirements.
Step 2 Route the signal cable through the signal cable hole at the bottom of the electric
control box.
Issue 03 (2022-11-25)
X501 X502
Smoke Water
sensor sensor
Smoke Water
sensor sensor
Remote Fresh intake
startup/ air damper
shutdown 24 V DC
Remote Fresh intake
startup/ air damper
shutdown GND
Common Fresh intake
alarm 1+ air damper
U
(feedback)
Common Fresh intake
alarm 1– air damper
Y (control)
Common -
alarm 2+
Common -
alarm 2–
Copyright © Huawei Digital Power Technologies Co., Ltd.
X504 X505
Outdoor Indoor
exhaust air return air
damper 24 V damper 24 V
DC DC
Outdoor Indoor
exhaust air return air
damper GND damper
GND
Outdoor Indoor
exhaust air return air
damper U damper U
(feedback) (feedback)
Outdoor Indoor
exhaust air return air
damper Y damper Y
(control) (control)
Indoor supply Fresh air
air damper exhaust
24 V DC damper 24 V
DC
Indoor supply Fresh air
air damper exhaust
GND damper
GND
Indoor supply Fresh air
air damper U exhaust
(feedback) damper U
(feedback)
Indoor supply Fresh air
air damper Y exhaust
(control) damper Y
(control)
7 Installing Cables
X510
Exhaust
bypass air
damper 24 V
DC
Exhaust
bypass air
damper GND
Exhaust
bypass air
damper U
(feedback)
Exhaust
bypass air
damper Y
(control)
-
-
-
-
38