Table 4-8 Cable connections
No.
X504
X505
1
Outdoor exhaust air damper 24 V
DC
Indoor return air damper 24 V
DC
2
Outdoor exhaust air damper GND
Indoor return air damper GND
3
Outdoor exhaust air damper U
(feedback)
Indoor return air damper U
(feedback)
4
Outdoor exhaust air damper Y
(control)
Indoor return air damper Y
(control)
5
Indoor supply air damper 24 V DC
-
6
Indoor supply air damper GND
-
7
Indoor supply air damper U
(feedback)
-
8
Indoor supply air damper Y
(control)
-
----End
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.
66