Huawei NetCol8000-E220 User Manual page 91

NetCol8000-E220 Modular Indirect Evaporative
Cooling System
User Manual
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Issue 06 (2020-08-19)
Parameter
DO
association
Copyright © Huawei Technologies Co., Ltd.
4 Power-on and Commissioning
Setting Guide
● When DO associated
alarm is set to
Smoke&Water only,
if a smoke sensor
alarm or water
overflow alarm is
generated, port 1 for
reporting common
alarms generates a
dry contact close
alarm, and port 2 for
reporting common
alarms does not
function.
● When DO associated
alarm is set to
Critical&Major
alarm, if a critical
alarm is generated,
port 1 for reporting
common alarms
generates a dry
contact close alarm; if
a major alarm is
generated, port 2 for
reporting common
alarms generates a
dry contact close
alarm.
● When DO associated
is set to Alarm &
startup status, if an
alarm is generated,
the dry contact of
common alarm 1 is
open. If a startup
status is generated,
the dry contact of
common alarm 2 is
close. If a shutdown
status is generated,
the dry contact of
common alarm 2 is
open.
● When DO associated
alarm is set to No,
ports 1 and 2 for
reporting common
Default Value
Smoke&Water
only
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