Chiller Controller.. For use with centrifugal, absorption, reciprocating, and other models of chillers.
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| |
Network Variables | Configuration Properties |
nviChillerEnable
nviCoolSetpt
nvoActiveSetpt
nvoOnOff
nviCapacityLim
nviEntChWTemp
nviHeatSetpt
nviMode
nvoActCapacity
nvoAlarmDescr
nvoCapacityLim
nvoChillerStat
nvoEntChWTemp
nvoEntCndWTemp
nvoLvgChWTemp
nvoLvgCndWTemp
| nciChillerEnable
nciCoolSetpt
nciMaxSendTime
nciMinSendTime
nciCapacityLim
nciDefaults
nciHeatSetpt
nciLocation
nciMode
nciPwrup
nciRCvHrtBt
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| |
Details: |
| Resource Set:
| Standard 00:00:00:00:00:00:00:00-0 |
| Index:
| 46 |
| Obsolete:
| no |
| Key:
| 8040 |
|
Inheriting:
| no |
Mandatory Network Variables |
| nviChillerEnable | Chiller enable.: Request start/stop chiller.
|
| Member Number:
| 1 | |
Base type:
| | | Direction:
| input | | Service:
| any |
|
| nviCoolSetpt | Cool setpoint.: Desired temperature of leaving chilled water.
|
| Member Number:
| 2 | |
Base type:
| | | Direction:
| input | | Service:
| any | | Minimum:
| -12,20 | | Maximum:
| 48,80 |
|
| nvoOnOff | On or off state.: Chiller on/off run state.
|
| Member Number:
| 3 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged |
|
| nvoActiveSetpt | Active setpoint output.: Active cool or heat setpoint.
|
| Member Number:
| 4 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| -40,00 | | Maximum:
| 93,00 |
|
Optional Network Variables |
| nviCapacityLim | Capacity limit input.: Capacity limit of chiller.
|
| Member Number:
| 5 | |
Base type:
| | | Direction:
| input | | Service:
| any | | Minimum:
| 0,000 | | Maximum:
| 160,000 |
|
| nviEntChWTemp | Entering chilled-water temperature input.: Accommodates remote temperature-sensor input.
|
| Member Number:
| 6 | |
Base type:
| | | Direction:
| input | | Service:
| any | | Minimum:
| -12,20 | | Maximum:
| 48,90 |
|
| nviMode | Chiller mode.: Chiller modes.
|
| Member Number:
| 7 | |
Base type:
| | | Direction:
| input | | Service:
| any |
|
| nviHeatSetpt | Heating setpoint.: Heating setpoint.
|
| Member Number:
| 8 | |
Base type:
| | | Direction:
| input | | Service:
| any | | Minimum:
| 10,00 | | Maximum:
| 93,00 |
|
| nvoActCapacity | Actual capacity level.: Actual running capacity of unit.
|
| Member Number:
| 9 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| 0,000 | | Maximum:
| 160,000 |
|
| nvoCapacityLim | Capacity limit.: Present capacity limit setting of chiller.
|
| Member Number:
| 10 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| 0,000 | | Maximum:
| 160,000 |
|
| nvoLvgChWTemp | Leaving chilled-water temperature.: Leaving chilled-water temperature.
|
| Member Number:
| 11 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| -40,00 | | Maximum:
| 118,00 |
|
| nvoEntChWTemp | Entering chilled-water temperature.: Entering chilled-water temperature.
|
| Member Number:
| 12 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| -40,00 | | Maximum:
| 118,00 |
|
| nvoEntCndWTemp | Entering condenser-water temperature.: Entering condenser-water temperature.
|
| Member Number:
| 13 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| -40,00 | | Maximum:
| 118,00 |
|
| nvoLvgCndWTemp | Leaving condenser-water temperature.: Leaving condenser-water temperature.
|
| Member Number:
| 14 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged | | Minimum:
| -40,00 | | Maximum:
| 118,00 |
|
| nvoAlarmDescr | Alarm annunciation text.: Character string (30 characters max)
|
| Member Number:
| 15 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged |
|
| nvoChillerStat | Chiller status.: Chiller states or modes.
|
| Member Number:
| 16 | |
Base type:
| | | Direction:
| output | | Service:
| acknowledged |
|
Mandatory Configuration Properties |
| nciChillerEnable | Chiller enable.: The default power-up and restart modes of the device when the default behavior selector is set to zero.
|
| Member Number:
| 1 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 0,0 0 |
|
| nciMaxSendTime | Maximum send time.: The maximum period of time between consecutive transmissions of the current value.
|
| Member Number:
| 2 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 0,0 |
|
| nciMinSendTime | Minimum send time.: The minimum period of time between consecutive transmissions of the current value.
|
| Member Number:
| 3 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 0,0 |
|
| nciCoolSetpt | Cooling setpoint.: The default setpoint for the leaving chilled water temperature in cooling mode when the default behavior selector is set to zero.
|
| Member Number:
| 5 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 7,20 |
|
Optional Configuration Properties |
| nciCapacityLim | Chiller capacity limit.: The default value for the capacity limit of the chiller when the default behavior selector is set to zero.
|
| Member Number:
| 4 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 100,000 |
|
| nciHeatSetpt | Heating setpoint.: The default setpoint for the leaving water temperature in heating mode when the default behavior selector is set to zero.
|
| Member Number:
| 6 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 35,00 |
|
| nciMode | HVAC mode.: The default operating mode of the device when the default behavior selector is set to zero.
|
| Member Number:
| 7 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| HVAC_COOL |
|
| nciLocation | Location: Provides descriptive physical location information related to the object.
|
| Member Number:
| 8 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 00*31 |
|
| nciDefaults | Default behavior.: Selects which set of values will be used on power-up and communication failure, between the stated default values (0), or manufacturer-specified values (1)
|
| Member Number:
| 9 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 0,0 0 |
|
| nciRCvHrtBt | Maximum receive time.:
The maximum period of time that may expire with no updates on the associated input network variables before the object goes into heartbeat failure mode. A zero value disables the mechanism.
|
| Member Number:
| 10 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted | | Default:
| 0,0 |
|
| nciPwrup | Power-up delay.: The minimum period of time after power-up or re-establishment of communications before a control action takes place.
|
| Member Number:
| 11 | |
Base type:
| | |
Applies to
| SFPTchiller | | Array:
| not permitted |
|
