Huawei FusionCol8000-E240 User Manual page 56

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
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Procedure
Step 1 Connect one end of the water sensor cable to the water sensor.
Step 2 Route the signal cable through the signal cable hole at the bottom of the electric
control box.
Step 3 Connect the signal cable to X502 terminals 1 and 2.
If a water sensor (rope-type) is to be connected, connect the signal cable to
terminals X201 and X202.
Figure 3-17 Ports for a water sensor (rope-type)
----End
Issue 01 (2021-01-30)
X501 X502
Remote Fresh air
startup/ damper GND
shutdown
Common Fresh air
alarm 1+ damper U
(feedback)
Common Fresh air
alarm 1– damper Y
(control)
Common Reserved
alarm 2+
Common Reserved
alarm 2–
NO TICE
Copyright © Huawei Technologies Co., Ltd.
3 System Installation (Building Scenario)
X504
Outdoor exhaust air
damper Y (control)
Indoor supply air
damper 24 V DC
Indoor supply air
damper GND
Indoor supply air
damper U (feedback)
Indoor supply air
damper Y (control)
X505
Indoor return air
damper Y
(control)
Fresh air exhaust
damper 24 V DC
Fresh air exhaust
damper GND
Fresh air exhaust
damper U
(feedback)
Fresh air exhaust
damper Y
(control)
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