Control Box - Delta HCH1850 User Manual

3.8.3 Control box

Front
No.
1
2
3
/
4
InfraSuite RowCool Precision Cooling –
Chilled Water
1
NETWORK COM
RESET
NET UPS
Item
SNMP This unit is compatible with an SNMP card (optional) and can be
card slot connected with a workstation so as to monitor and manage the
system based on the SNMP protocol. To install the SNMP card,
first remove the dust cover from the control box, use an RJ45
cable (purchase separately) to connect the workstation and the
SNMP card. For SNMP card operation and setting, refer to its
user manual.
RS232, The RS232 or RS485 port allows you to connect a workstation or
RS485 power distribution device based on Modbus protocol for remote
use.
CAN-Link It is reserved for series connection of several cooling units. It
IN/OUT adopts one-Input one-Output mode.
Input dry
5
contacts When an event occurs, the dry contact device is triggered to
form a short circuit. The system will record it in the event log ,
start the buzzer and light the FAULT indicator.
Port
Port
2
+ - + - G
RS232 RS485
(Figure 3-21 : Front of control box)
NOTE:
Please use the Delta SNMP card (optional) to
achieve the best efficiency and compatibility. Please
contact your local dealer or customer service for more
information.
: Fire alarm
4
: Smoke detector
5
24
3 4 5 6 7
IN OUT
INPUT INPUT OUTPUT 2
CAN ALARM RACK TEMP. REMOTE
Description
8 9
1
3 4