Technical data

186
Features
• A key component of the Carrier Comfort Network (CCN) Chillervisor System.
• Provides sophisticated multiple chiller control functions to optimise the
eciency of the Carrier chiller plant.
• Coordinates the operation of a chilled water system in which up to eight
chillers feed a common chilled water loop.
• Consists of a module equipped with input and output points and specialised
control and communication software.
• The CSM III operator interface is ComfortWORKS, Building Supervisor III or a
Network Service Tool. With this an operator can:
- display a list of CSM III points that show the status of the chiller system
- modify the value or status of selected points and then return them to
automatic control
- display and modify configuration and service data
- display maintenance data
- display chiller system graphics (ComfortWORKS or Building Supervisor)
• Additional capabilities possible by combining the CSM III with the following
CCN products:
- Autodial Gateway
- Remote CCN Service Interface (RCSI)
- Data Collection Option
- Comfort Controller
- Water System Manager (WSM)
- Loadshed Option
- Alarm Printer Interface Module (APIM)
Control functions:
• Automatic chiller start/stop
• Two seasonal chiller start/stop
sequencing modes with add/drop
capability
• Designated standby chiller support
• Occupancy-based plant operation
with configuration override
• Soft loading
• Load balancing
• Bypass valve control
• Chilled water set-point reset
• Loadshed demand limiting
• Chiller fault handling and capacity
matching
• System alarm messages and alarm
history
• Short- and long-term power failure
recovery
CSM III
CHILLERVISOR SYSTEM MANAGER III
Controls