Huawei NetCol8000-A Series User Manual page 73

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
(4) Remote dry contact
(7) Water leak sensor
port
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 10 (2019-01-15)
(5) Port for reporting high
level alarms
(8) Smoke sensor port
(reserved)
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
a
control the startup and shutdown status 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
(6) Port for reporting low
level alarms
(9) Reserved port
64