Huawei NetCol8000-A Series User Manual page 76

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
Table 3-12 Definitions and functions of the control ports
Type
Control
ports to the
outdoor
units
Port for
remote
shutdown
Remote dry
contact
Port for
reporting
high level
alarms
Port for
reporting
low level
alarms
Water leak
sensor port
Smoke
sensor port
(reserved)
Reserved
port
a: Make sure that the switch is off when the customer monitoring system or the
screen is triggered.
Issue 12 (2020-10-28)
Function
● NetCol8000-A50: Terminals 1A and 1B are control signal input
terminals of the outdoor unit. You can send signals by using
the main control board to control the operating and stopping
status of the outdoor unit (one indoor unit maps to one
outdoor unit).
● NetCol8000-A100: Terminals 1A, 1B, and 2A, 2B are control
signal input terminals of the outdoor unit. You can send signals
by using the main control board to control the operating and
stopping status of the outdoor unit (one indoor unit maps to
two outdoor units).
● Terminals 30 and 31 are external terminals for the remote
shutdown function. You can send the control signals to the
main control board to control the startup and shutdown status
a
of the smart cooling product using Boolean values over the
external communication. Terminals 30 and 31 are disconnected
before delivery.
● If you need to shut down the smart cooling product in
emergency, send the closed Boolean value signals to the
control board over the external terminals to shut down the
smart cooling product.
Controls the startup and shutdown Boolean value inputs for the
smart cooling product.
The signal output cables for reporting high level alarms are
connected to terminals 34 and 35 (only associate with floor
overflow and smoke sensor alarms).
Reserved.
The water leak sensors are connected to terminals 38 and 39.
Install the water leak sensor as specified. When the NetCol8000-A
leaks, it generates an alarm.
The signal output cable for reporting smoke alarms are connected
to terminals 40 and 41. Install the smoke sensor as specified. If a
fire occurs, the NetCol8000-A generates an alarm.
Terminals 42 and 43 are for the reserved functions.
Copyright © Huawei Technologies Co., Ltd.
3 Installation Guide
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