| Property | Type | Description |
|
Alarm Event Class |
Numeric |
Contains the Alarm and Message Routing Class number (1–20) that is used to route messages when this object is in alarm. |
|
Alarm Output |
Binary |
This is the status of the alarm output on the UCP1. |
|
Ambient Temp Lockout Deadband |
Numeric |
This property is the value assigned in the UCP1 editor for the ATL Deadband. |
|
Ambient Temp Lockout Function |
Binary |
This property indicates whether the ambient lockout feature in Tracer Summit is enabled. |
|
Ambient Temp Lockout Result |
Binary |
This property is the result of the ambient lockout logic. |
|
Ambient Temp Lockout Sensor |
Referencer/ Numeric |
This property defines the sensor value to be used to determine whether the chiller should be disabled due to ambient temperature conditions. |
|
Ambient Temp Lockout Setpoint |
Referencer/ Numeric |
This property defines the temperature which will cause the chiller to be disabled if ambient lockout is active. |
|
Centrifugal Chiller Model |
Multi-State |
This value indicates which type of centrifugal chiller is connected UNDEFINED. |
|
Chilled Water Flow Status |
Binary |
This is the status of the chilled water flow switch input on the UCP1. |
|
Chilled Water Setpoint: Active |
Numeric |
This is the value being used by the UCP1 for chilled water temperature control. |
|
Chilled Water Setpoint: Ref |
Numeric |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the chilled water setpoint. |
|
Chilled Water Temp: Entering |
Numeric |
This is the current status of the entering evaporator water temperature input on the UCP1. |
|
Chilled Water Temp: Leaving |
Numeric |
This is the current status of the leaving evaporator water temperature input on the UCP1. |
|
Chiller Emergency Stop: External |
Binary |
This property indicates the current position of the external running lockout binary input on the UCP1. |
|
Chiller Enable/Disable: External |
Binary |
This property indicates the current position of the external inhibit binary input on the UCP1. |
|
Chiller Enable/Disable: Tracer |
Binary |
This is the property which Summit is sending to the chiller for AUTO/STOP control. |
|
Communication Address |
Numeric |
This is the address assigned to this chiller in Tracer Summit. |
|
Communication Bad Message Count |
Numeric |
This property indicates the number of times Tracer Summit has detected a response from the chiller which had a CRC error. |
|
Communication Channel |
Numeric |
This is the communication channel assigned to this chiller in Tracer Summit. |
|
Communication Error Count |
Numeric |
This property indicates the number of times Tracer Summit has detected a framing error in the response from the chiller. |
|
Communication No Answer Count |
Numeric |
This property indicates the number of times Tracer Summit has not detected a response from the chiller. |
|
Communication State |
Binary |
This property indicates the status of communications between the BCU and the UCM. 0=Down, 1=Up |
|
Comp Peak Current Draw Today |
Numeric |
This is the peak recorded compressor current draw today. |
|
Comp Peak Current Draw Yesterday |
Numeric |
This is the peak recorded compressor current draw yesterday. |
|
Comp Peak Current Time Today |
Numeric |
This is the time (in seconds past midnight) that the peak current draw occurred today. |
|
Comp Peak Current Time Yesterday |
Numeric |
This is the time (in seconds past midnight) that the peak current draw occurred yesterday. |
|
Compressor Current Draw |
Numeric |
This property is the average of the three phase current values as calculated by the UCP1. |
|
Compressor Discharge Refrig Temp |
Numeric |
This is the temperature of the refrigerant as it is discharged from the compressor. |
|
Compressor Motor Bearing Temp [1-2] |
Numeric |
This array is the current status of the motor bearing temperature inputs on the UCP1. |
|
Compressor Motor Winding Temp [1-3] |
Numeric |
This array is the current status of the motor winding temperature inputs on the UCP1. |
|
Compressor Phase Current Draw [1-3] |
Numeric |
This array is the current status of the individual phase current inputs on the UCP1. |
|
Compressor Run Avg %RLA History [1-3] |
Numeric |
This property stores three values which are used to determine the average current draw of the chiller while the compressor on. |
|
Compressor Run Avg %RLA Today |
Numeric |
This property is indicates the average current draw of the chiller while the compressor was on today as determined by the BCU. |
|
Compressor Run Hours History [1-3] |
Numeric |
This property stores three values which are used to determine the amount of time the compressor has run. |
|
Compressor Run Hours This Month |
Numeric |
This property is the number of hours that the compressor has operated this month as determined by the BCU. |
|
Compressor Run Hours This Start |
Numeric |
This property is the number of hours that the compressor has operated today as determined by the BCU. |
|
Compressor Run Hours Today |
Numeric |
This property is the number of hours that the compressor has operated today as determined by the BCU. |
|
Compressor Running |
Binary |
This property indicates whether the UCP1 has it’s compressor on. |
|
Compressor Starts History [1-3] |
Numeric |
This property stores three values which are used to determine the number of times the compressor has started. |
|
Compressor Starts This Month |
Numeric |
This property is the number of starts the compressor has had this month as determined by the BCU. |
|
Compressor Starts Today |
Numeric |
This property is the number of starts the compressor has had today as determined by the BCU. |
|
Compressor Type |
Binary |
This property indicates whether the UCP1 is set up to control a Series R or Centrifugal chiller. |
|
Condenser Approach Temperature |
Numeric |
This is the condenser approach temperature as calculated by the BCU. |
|
Condenser Saturated Refrig Press |
Numeric |
This is the current status of the condenser refrigerant pressure input on the UCP1. |
|
Condenser Saturated Refrig Temp |
Numeric |
This is the current status of the condenser refrigerant temperature input on the UCP1. |
|
Condenser Water Flow Status |
Binary |
This is the status of the condenser water flow switch input on the UCP1. |
|
Condenser Water Temp: Entering |
Numeric |
This is the current status of the condenser entering water temperature input on the UCP1. |
|
Condenser Water Temp: Leaving |
Numeric |
This is the current status of the condenser leaving water temperature input on the UCP1. |
|
Control Deadband Timer |
Numeric |
This is the value of the control deadband timer on the UCP1 which is used to determine when the chiller is under stable temperature control. |
|
Control Event Class |
Numeric |
Contains the Alarm and Message Routing Class number (1–20) that is used to route messages when this object is controlled. |
|
Current Limit Setpoint: Active |
Numeric |
This is the value (in %RLA) being used by the UCP1 for current limiting. |
|
Current Limit Setpoint: Ref |
Numeric |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the current limit setpoint. |
|
Current Limit Setpoint: Tracer |
Numeric |
This is the current limit value which Summit is sending to the UCP1 (do not write to this property). The valid range for this value is 40 to 100%. |
|
Diag: Automatic Reset |
Binary |
This property indicates that a diagnostic exists which causes the chiller to automatically reset in an attempt to recover from the diagnostic condition. |
|
Diag: Compressor Shutdown |
Binary |
This value indicates whether any type of diagnostic (latching or non-latching) exists on the UCP1. |
|
Diag: Last |
Multi-State |
This property indicates the most recent diagnostic condition recorded by the UCP1. |
|
Diag: Manual Reset Requird |
Binary |
This value indicates whether a latching diagnostic exists on the UCP1. |
|
Diagnostic Condition |
Multi-State |
This property indicates the active diagnostic condition on the UCP1. |
|
Evap Refrig Temp: High Range |
Numeric |
This is the value which should be used for evaporator refrigerant temperature if High has been selected for the range (see previous property). |
|
Evap Refrig Temp: Low Range |
Numeric |
This is the value which should be used for evaporator refrigerant temperature if Low has been selected for the range (see 2 previous properties). |
|
Evap Refrigerant Temp Range |
Binary |
This property indicates whether the UCP1 has been set up for High or Low evaporator refrigerant temperature ranges. |
|
Evaporator Approach Temperature |
Numeric |
This is the evaporator approach temperature as calculated by the BCU. |
|
Evaporator Pressure Switch |
Binary |
This property indicates the current position of the evaporator pressure switch input on Series R chillers, 1=normal. |
|
FP Advanced Motor Protection |
Binary |
This property indicates whether advanced motor protection has been enabled for this chiller. |
|
FP Chilled Water Setpoint |
Numeric |
This is an indication of the value set on the knob at the UCP1 front panel for chilled water setpoint. |
|
FP Chiller Switch Position |
Multi-State |
This is an indication of the position of the unit switch on the UCP1 front panel (AUTO/REMOTE). |
|
FP Cond High Refrig Pressure Lim |
Numeric |
This is an indication of the value set at the UCP1 front panel for high refrigerant pressure limit. |
|
FP Control Response Setpoint |
Numeric |
This is an indication of the value set at the UCP1 front panel for control response. |
|
FP Current Limit Setpoint |
Numeric |
This is an indication of the value set on the knob at the UCP1 front panel for current limit. |
|
FP Evap Refrig Trip Setpoint |
Numeric |
This is an indication of the value set at the UCP1 front panel for evaporator refrigerant limit. |
|
FP Free Cooling Switch |
Binary |
This is an indication of the position of the free cooling switch on the UCP1 front panel (ON or OFF). |
|
FP Input Power Frequency |
Binary |
This property indicates whether the unit has been set up to run on 50 Hz (0) or 60 Hz (1) power. |
|
FP Load Control Switch Position |
Multi-State |
This is an indication of the position of the load control switch on the UCP1 front panel (HOLD). |
|
FP Max Startup Acceleration Time |
Numeric |
This is an indication of the position of switch’s on dip switch block S3 on the UCP1 front panel which are used as at compressor startup. |
|
FP Phase Imbalance Protection |
Binary |
This property indicates whether phase imbalance protection has been enabled for this chiller. |
|
FP Restart Inhibit Switch Pos |
Binary |
This is an indication of the position of the restart inhibit switch on the UCP1 front panel (CLOSED or OPEN). |
|
FP Start Differential Setpoint |
Numeric |
This is an indication of the value set at the UCP1 front panel for leaving evaporator water temperature start differential. |
|
FP Surge Protection |
Binary |
This property indicates whether surge protection has been enabled for this chiller. |
|
Free Cooling Hours History [1-3] |
Numeric |
This property stores three values which are used to determine the amount of time free cooling has run. |
|
Free Cooling Hours This Month |
Numeric |
This property is the number of hours that the chiller has operated in the free cooling mode during the current month as determined by the BCU. |
|
Free Cooling Hours Today |
Numeric |
This property is the number of hours that the chiller has operated in the free cooling mode today as determined by the BCU. |
|
Free Cooling Option |
Binary |
This property indicates whether the free cooling option has been installed on the chiller. |
|
Free Cooling Request: Ref |
Binary |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to request free cooling. |
|
Free Cooling Valves Position |
Binary |
This property indicates the current position of the free cooling valves binary input on the UCP1, 1=open. |
|
Head Relief Request |
Binary |
This property indicates whether the UCP1 is requesting head relief. |
|
High Pressure Cutout Input |
Binary |
This property indicates the current position of the high pressure cutout binary input on the UCP1. |
|
Hot Gas Bypass Hours History [1-3] |
Numeric |
This property stores three values which are used to determine the amount of time hot gas bypass has run. |
|
Hot Gas Bypass Hours This Month |
Numeric |
This property is the number of hours that the chiller has operated in the hot gas bypass mode during the current month as determined by the BCU. |
|
Hot Gas Bypass Hours Today |
Numeric |
This property is the number of hours that the chiller has operated in the hot gas bypass mode today as determined by the BCU. |
|
Hot Gas Bypass Option |
Binary |
This property indicates whether the hot gas bypass option has been installed on the chiller. |
|
Hot Gas Bypass Valve Position |
Binary |
This property indicates the current position of the hot gas bypass valves binary input on the UCP1. |
|
Inlet Guide Vanes Position (%) |
Binary |
This is the status of the inlet guide vanes open input on the UCP1. |
|
Last Control Date Time |
Date/Time Numeric |
This indicates the date and time when the present value property of this object was last controlled. |
|
MCSP Minimum Off Time |
Numeric |
This is the minimum amount of time the Motor Control and Safety Protection module on a Series R chiller will leave the compressor off. |
|
MCSP Operating State |
Multi-State |
This is the operating state of the Motor Control and Safety Protection module. It is a subset of the Operating Mode property. |
|
Minimum Off Time |
Numeric |
This is the minimum amount of time Tracer Summit will put a chiller in an off mode. |
|
Minimum On Time |
Numeric |
This is the minimum amount of time Tracer Summit will put a chiller in an on mode. |
|
Minimum Time Remaining |
Numeric |
This is the amount of time remaining on either the minimum on or off timer if they are active. |
|
Motor Transition Complete |
Binary |
Indicates motor transition status. |
|
Object Identifier |
Object ID |
Unique hexadecimal ID of this object. This ID is used internally to identify the object. |
|
Object Type |
Multi-State |
Designates object’s type (i.e., analog input, binary output, TCM, PCM, etc.). |
|
Oil Flow |
Binary |
This property indicates whether a Series R chiller has determined that it has adequate oil flow. |
|
Oil Pressure: Differential |
Binary |
This property indicates the current position of the differential oil pressure binary input on a centrifugal chiller. |
|
Oil Temperature |
Numeric |
This is the value of the oil sump temperature as measured by the UCP1. |
|
Operating Mode |
Multi-State |
This property indicates the current operating mode of the UCP1 (or last operating mode if a diagnostic is active). |
|
Overload Relay Output |
Binary |
This property represents the overload relay output of the UCP1. |
|
Pct RLA Running Avg. This Mo Sum |
Numeric |
This property is indicates the average current draw of the chiller while the compressor was on during this month as determined by the BCU. |
|
Present Value |
Multi-State |
Current Tracer Summit mode value for the UCP1. |
|
Refrigerant Pressure Range |
Binary |
This property indicates whether a Series R chiller is set up to operate with high pressure (1) or low pressure (0). |
|
Restart Inhibit Timer |
Numeric |
This is an indication of the amount of time that must elapse before the UCP1 will allow the compressor to start. |
|
Update Tag |
Numeric |
Value indicating last edit change of this object. |