M52 Microprocessor User's Guide
M52UMCT Oct-03 23
Every alarm has a number of configuration options. You can customize the way alarms are
reported and what automatic actions will be performed.
Standb
enable o
tion ke
- if this options is selected,
standby enable output will be activated under alarm condition.
Common alarm o
tion ke
- if this options is selected,
common alarm output will be activated under alarm condition.
Enable o
tion ke
- alarm will only be monitored if this option
is selected.
Unit shutdown o
tion ke
- if this option is selected, unit will
be automatically shutdown under alarm condition.
Event lo
o
tion ke
- if this options is selected, the alarm
events will be logged in the historical event log.
Audible warnin
o
tion ke
s
- provides selection of three
different audible warning sound.
Alarm configuration will be automatically synchronized across the Co-Work network.
High Temperature Alarm note:
There is a new response outcome in the event of a high temperature alarm. The factory default
response is set to turn on the next available standby unit when back-up units are connected in a Co-
Work network. This means additional cooling capacity is automatically added to the space when a high
temperature alarm is registered regardless of the Alarm Configurations set for this alarm. However,
certain sites may not be able to handle this increase in air volume. Therefore, the factory can also
enable the following features:
1. SWAP ON
1
: In the event a high temperature alarm is registered on a standby unit (signifying a
hot spot in the room) the microprocessor will start this standby unit and stop the duty unit that
is sensing the lowest return air temperature.
2. CW SWAP
1
: Disables the standby start feature on high temperature alarm in the event that the
unit is connected to ductwork or a raised floor that cannot handle the increased air volume
when all standby units are running in addition to the duty units.
1
Contact Canatal when choosing the above options.