American Power Conversion Central Air Conditioning System Benutzerhandbuch
Operation: Set Up Group
NetworkAIR IR Operation, Maintenance, and Troubleshooting
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Grp Smoke Alrm.
Share smoke alarms among the Systems in this Group. If the Group Smoke
Alarm setting is On, all Systems in the Group will shut down if a smoke alarm occurs in one System.
Comm Loss Failover.
Decide if the Group considers a System in the Comm Lost state to be failed.
• Off — The Group will assume that the System is still operating normally.
• On — A backup System will be moved to the online state.
• On — A backup System will be moved to the online state.
Name.
Set the name of this Group. The Group name also appears in the Network Management Card
interfaces.
Group settings
Path: Main > Setup > Group > Group Settings
The Group Settings define the load-sharing and System role-assignment functions of the Group.
Load Share.
Enable or disable load-sharing requests for each mode. If load-sharing is disabled,
Systems cannot send requests for assistance to the Group.
Load Share Thrshlds.
Set the load-sharing thresholds for each mode. If the environmental
temperature or humidity is outside the range determined by the setpoint and threshold, the System
will generate a load-sharing request. Acceptable ranges for each mode are:
will generate a load-sharing request. Acceptable ranges for each mode are:
Sys Role Assignment.
The System Role Assignment settings depend on the Run-time Bal setting.
• If Run-time Bal is set to On, each System is rotated between a primary and backup role in
order to spread the run hours among all of the Systems in the Group. Rotation occurs after 72
hours of operation.
– # Primary: Set the number of Systems to be designated as primary. The remaining Systems in
hours of operation.
– # Primary: Set the number of Systems to be designated as primary. The remaining Systems in
the Group will assume the backup role.
• If Run-time Bal is set to Off, you must designate the role of each System in the Group. The
System will retain this role until you change the setting.
– Sys# Role: Set the role for each System. Backup Systems operate only in the event of a failure
– Sys# Role: Set the role for each System. Backup Systems operate only in the event of a failure
or load-sharing request (if enabled).
t
Sys failure events
Path: Main > Setup > Group > Group Settings
Mode
Range
Share if
Cool
0.0–20.0°F(0.0–11.1°C)
Temperature > Setpoint
Cool
+ Threshold
Cool
Reheat
0.0–20.0°F (0.0–11.1°C)
Temperature < Setpoint
Reheat
– Threshold
Reheat
Dehumidify
0.0–20.0% RH
Humidity > Setpoint
Dehumidify
+ Threshold
Dehumidify
Humidify
0.0–20.0% RH
Humidity < Setpoint
Humidify
– Threshold
Humidify