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FusionCol8000-E260 Modular Indirect Evaporative
Cooling System
Quick Guide (FDC Scenario)
Table 7-1 User wiring terminals
No.
1
2
3
4
5
6
7
8
9
10
Figure 7-18 Signal terminals
Figure 7-19 X501 signal cable terminals
Table 7-2 Signal table
No.
1
Issue 01 (2022-06-30)
Item
X1.8
X1.9
X1.10
X1.11
X1.12
X1.13
X1.14
X1.15
X1.16
X1.17
NO TE
● The preceding figure shows the arrangement of signal terminals X502, X504, X505, and
X510.
● Signal cables must be routed through protective tubes for protection.
X501
X502
Smoke
Water
sensor
sensor
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
Return air fire damper feedback (DI)
Return air fire damper feedback (GND)
Return air fire damper action (OFF)
Return air fire damper reset (ON)
Return air fire damper (GND)
Supply air fire damper feedback (DI)
Supply air fire damper feedback (GND)
Supply air fire damper action (OFF)
Supply air fire damper reset (ON)
Supply air fire damper (GND)
X504
X505
Outdoor
Indoor
exhaust air
return air
damper 24 V
damper 24 V
DC
DC
7 Installing Cables
X510
Exhaust
bypass air
damper 24 V
DC
34
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