Huawei FusionCol8000-E260 Quick Manual page 41

FusionCol8000-E260 Modular Indirect Evaporative
Cooling System
Quick Guide (FDC Scenario)
No.
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The unit can be connected to a smoke sensor, remote startup/shutdown signal,
common alarm signal, and water sensor. The following describes how to connect a
water sensor.
Procedure
Step 1 Install the water sensor based on the actual scenario.
Step 2 Connect one end of the water sensor cable to the water sensor.
Step 3 Route the signal cable through the signal cable hole at the bottom of the electric
control box.
Step 4 Connect the signal cable to X502 terminals 1 and 2.
Issue 01 (2022-06-30)
X501 X502
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 Reserved
alarm 2+
Common Reserved
alarm 2–
Copyright © Huawei Digital Power Technologies Co., Ltd.
X504 X505
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 GND
Exhaust
bypass air
damper U
(feedback)
Exhaust
bypass air
damper Y
(control)
Reserved
Reserved
Reserved
Reserved
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