Huawei NetCol8000-C070 User Manual page 69

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Context
Figure 3-39 Control ports
The following table describes the definitions and functions of the terminal block.
Table 3-8 Definitions and functions of the terminal block
No.
1
2
3
4
5
6
7
8
Issue 02 (2020-08-30)
X501 X502
Smoke sensor Water leakage detection
power supply (water leakage from the
(12 V DC) floor) +
Smoke sensor Water leakage detection
feedback (water leakage from the
floor) –
Remote off+ 24 V DC power
Remote off- Micro differential
pressure sensor GND
Common alarm 0–5 V feedback of the
1+ micro differential
pressure sensor
Common alarm Micro differential
1- pressure sensor 5 V DC
Common alarm Differential pressure
2+ switch GND of the fresh
air filter
Common alarm Differential pressure
2- switch NTC2Z+ of the
fresh air filter
Copyright © Huawei Technologies Co., Ltd.
3 Installation Guide
X504
Fresh air damper (AI)
Fresh air damper (AO)
Fresh air damper (GND)
Fresh air damper (24 V
DC)
Return air damper/
Motorized air damper (AI)
Return air damper/
Motorized air damper
(AO)
Return air damper/
Motorized air damper
(GND)
Return air damper/
Motorized air damper (24
V DC)
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