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NetCol8000-C(070-260) In-room Chilled Water Smart
Cooling Product
User Manual
3.6.4 Connecting Signal Cables
Prerequisites
Before connecting signal cables, take effective ESD protection measures.
Context
The lower part of the terminal block is connected to the smart cooling product before delivery,
and the ports at the upper part are for user signal cables. The following figure shows a
terminal block.
Figure 3-67 Control ports
The following table describes the definitions and functions of the terminal block.
Table 3-9 Definitions and functions of the terminal block
No.
1
2
3
Issue 06 (2020-01-13)
Definition
Function
Smoke sensor
24 V, two-line, photoelectric smoke sensor.
wiring terminal
The signal output cables for reporting smoke alarms are
connected to terminals X2.1 and X2.2. After the smoke
sensor is installed, an alarm is generated when a fire occurs.
Remote startup and
Terminals X2.3 and X2.4 can be set to remotely shut down
shutdown terminal
an smart cooling product. Specifically, the control signal
cable is routed from the ports to the monitoring room and
controls the shutdown of the smart cooling product.
Terminals X2.3 and X2.4 are disconnected before delivery.
The emergency switch for remote shutdown should be
normally opened.
Common alarm 1
Terminals X2.5–X2.6 connect to the Alarm dry contact
terminal
output. When DO associated alarm is set to
Smoke&water only, the smart cooling product issues an
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