Huawei FusionCol8000-E24 User Manual page 92

FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Prerequisites
Signal cables must be routed through protective tubes for protection.
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.
Context
Figure 5-16 Signal cable terminal (using X501 as an example)
Table 5-4 Signal table
No.
1
2
3
4
5
6
7
8
Issue 03 (2021-04-20)
NO TE
The preceding figure shows the arrangement of signal terminals X502, X504, and X505.
X501 X502
Smoke Water sensor
sensor
Smoke Water sensor
sensor
Remote Fresh air
startup/ supply damper
shutdown 24 V DC
Remote Fresh air
startup/ supply damper
shutdown GND
Common Fresh air
alarm 1+ supply damper
U (feedback)
Common Fresh air
alarm 1– supply damper
Y (control)
Common Reserved
alarm 2+
Common Reserved
alarm 2–
Copyright © Huawei Digital Power Technologies Co., Ltd.
5 System Installation (FDC Scenario)
X504
Outdoor exhaust air
damper 24 V DC
Outdoor exhaust air
damper GND
Outdoor exhaust air
damper U (feedback)
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 24 V DC
Indoor return air
damper GND
Indoor return air
damper U
(feedback)
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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