Property | Type | Description |
Alarm Event Class[1-3] |
Numeric |
This is a three element array containing entries for alarm classes Manual Reset, Auto Reset, & Informational diagnostics. Each entry contains an index into the event action table. The event action table contains both a set of instructions for alarm routing, and a stretchy list of referencer objects (the potential receivers). |
Auxiliary Heat Control: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Auxiliary Heat Control: Tracer" property in the event of a BCU reset or power loss. 0=DISABLE, 1=ENABLE |
Auxiliary Heat Control: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager to disable auxiliary heating on heat pump units. 0=DISABLE, 1=ENABLE |
Coil Temperature Switch Input |
Binary |
This property indicates the active status of the defrost temperature switch input on 10 through 20-ton heat pump units. When this switch is closed, it is an indication that there is frost on the coil. 0=OPEN, 1=CLOSED |
Communication Address |
Numeric |
This property provides access to the assigned communications address value of the UCM being represented. |
Communication Bad Message Count |
Numeric |
This is a property for keeping track of the number of message errors which occur when attempting to communicate with the UCM hardware. |
Communication Channel |
Numeric |
This property provides access to the assigned communications channel value of the UCM being represented. |
Communication Error Count |
Numeric |
This is a property for keeping track of the number of communications errors that occur when attempting to communicate with the UCM. |
Communication No Answer Count |
Numeric |
This is a property for keeping track of the number of unanswered communications with the UCM. |
Communication Retry |
Binary |
Provides access to the communications retry indicator. This property is used to signal the control server that it needs to force control data output to the device when it is awakened for maintenance operations. The communications retry indicator is set (TRUE) when an attempt to send control data fails, and cleared (FALSE) when communications are successful. |
Communication State |
Binary |
This property indicates the status of communications between the BCU and the UCM. 0=Down, 1=Up. |
Compressor 1 Disable Input |
Binary |
This property indicates the active status of the low pressure control or the field-installed compressor disable input on the unit. A field-installed compressor disable device can be wired to the unit on the low voltage terminal block terminals 13 and 14. 0=DISABLE, 1=AUTO |
Compressor 1 Exists |
Binary |
This property indicates whether compressor 1 exists. This property will always indicate that one compressor exists on the unit. 0=NO, 1=YES |
Compressor 1 Status |
Binary |
This property indicates the active status of compressor number 1. 0=OFF, 1=ON |
Compressor 2 Disable Input |
Binary |
This property indicates the active status of the low pressure control or the field-installed compressor disable input on the unit. A field-installed compressor disable device can be wired to the unit on the low voltage terminal block terminals 15 and 16. 0=DISABLE, 1=AUTO |
Compressor 2 Exists |
Binary |
This property indicates whether compressor 2 exists on the unit. 0=NO, 1=YES |
Compressor 2 Status |
Binary |
This property indicates the active status of compressor number 2. 0=OFF, 1=ON |
Compressor Control: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to use to disable mechanical cooling control on the unit. DISABLE will lock out all compressor operation on the unit while AUTO allows compressors to run if required. 0=DISABLE, 1=AUTO |
Compressor Control: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to disable mechanical cooling control on the unit. DISABLE will lock out all compressor operation on the unit while AUTO allows compressors to run if required. 0=DISABLE, 1=AUTO |
Condenser Coil Defrost Interval |
Numeric |
This property indicates the active status of the condenser coil defrost interval time defined on switch 1 and 2 on the defrost module on 10 through 20-ton heat pump units. Range: 45 to 90 minutes |
Condenser Fan A Contactor |
Binary |
This property indicates the active status of condenser fan A. 0=OFF, 1=ON |
Condenser Fan B Contactor |
Binary |
This property indicates the active status of condenser fan B. 0=OFF, 1=ON |
Condenser Fan Cycle Temp |
Multi-State |
This property indicates the active status of condenser fan cycling configuration input on the UCP. This input is used to determine the outdoor temperature at which the condenser fan motor number 2 will cycle off. This is valid only on 12½ through 25-ton units. Range: 20, 30, 40, 50, 60, 70, 80° F, and CONTINUOUS. Factory preset is 60° F. |
Config: 3 Step Cooling |
Binary |
This property indicates whether the unit is configured to have three steps of mechanical cooling. This property is valid only on 27½ through 50-ton units. 0=NO, 1=YES |
Config: Local Lead/Lag |
Binary |
This property indicates the active status of the lead/lag input on 27½ through 50-ton units. 0=DISABLED, 1=ENABLED. The factory preset is DISABLED. |
Config: System Type |
Multi-State |
This property indicates the air-side control configuration of this Voyager unit. 0=CONSTANT VOLUME, 1=VAV w/VFD, 2=VAV w/IGV, 3=VAV w/o FAN MODULATION. |
Config: Unit Size |
Multi-State |
This property indicates the cooling capacity of the unit. This property specifically applies to 27½ to 50-ton units. For 3 to 25-ton units, the value of this property will indicate less than 27½ tons. 0=½ , 1=27½ or 30, 2=35, 3=40, 4=50. |
Config: Unit Type |
Multi-State |
This property indicates the unit type of this Voyager Rooftop. 0=GAS HEAT, 1=ELECTRIC HEAT, 2=COOLING ONLY, 3=HEAT PUMP. |
Config: Voyager 3? |
Binary |
This property indicates whether the unit is a 27½ through 50-ton unit. 0=NO, 1=YES |
Configuration: Economizer |
Binary |
This property indicates whether the unit is configured to have an economizer installed. 0=NOT INSTALLED, 1=INSTALLED. |
Control Algorithm Adj Input |
Numeric |
This property indicates the active status of the heat anticipator input on all constant volume units. 0=NORMAL (default), 1=SHORTER THAN NORMAL (more aggressive anticipator), 2=LONGER THAN NORMAL, 3=SPECIAL HEATING ANTICIPATOR (used when a very short heating cycle is required). |
Control Event Class |
Numeric |
This property determines where control messages are routed to when the object’s present value is controlled. |
Control Offset Enable: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to enable the control offset function. 0=DISABLE, 1=ENABLED. |
Control Offset Value |
Numeric |
The value of this property is added to "Cooling Setpoint: Tracer" and subtracted from "Heating Setpoint: Tracer" when the "Control Offset Enable: Ref" property is set to ENABLE. Range: 0 to 10° F. |
Cooling Setpoint: Active |
Numeric |
This property indicates the active zone cooling setpoint for constant volume units. Range: 50.0 to 90.0° F |
Cooling Setpoint: Local |
Numeric |
This property indicates the value of the local cooling setpoint connected to the unit if present. This input is valid for constant volume units. Range: 50.0 to 90.0° F |
Cooling Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the constant volume occupied cooling setpoint. Range: 50.0 to 90.0° F |
Cooling Stages Active |
Numeric |
This property indicates the number of mechanical cooling stages currently operating. Range: 0, 1, 2, 3 |
Cooling Stages Enabled: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to use to enable cooling stages in the unit. A value of 0 will be interpreted as allowing no cooling stages to operate. A value of 3 will allow all cooling stages to operate as needed. Range: 0, 1, 2, 3 |
Cooling Stages Enabled: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used to enable cooling stages in the unit. A value of 0 will be interpreted as allowing no cooling stages to operate. A value of 3 will allow all cooling stages to operate as needed. Range: 0, 1, 2, 3 |
Daytime Warmup Enable: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Daytime Warmup Enable: Tracer" property in the event of a BCU reset or power loss. 0=DISABLED, 1=ENABLED |
Daytime Warmup Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to disable daytime warmup. DISABLE will lockout all daytime warmup capability in the unit and ENABLE will allow daytime warmup to operate as required. This property is only valid on VAV units. 0=DISABLED, 1=ENABLED |
Diag: Automatic Reset |
Binary |
This property indicates that an automatic reset diagnostic has occurred on the unit. The diagnostic will be cleared when the diagnostic condition no longer exists. 0=NO, 1=YES. |
Diag: Comp 1 High Press Cutout |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when a high pressure condition exists on compressor 1. This diagnostic is also present if the winding temperature limit switch is open or if the compressor circuit breaker trips. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: Comp 1 Locked Out |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when compressor 1 is locked out because a device in the compressor’s contactor coil circuit is open or the low pressure control is open four consecutive times without more than 3 continuous minutes of compressor operation. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: Comp 1 LPC Input Open |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the low pressure control is open in the compressor 1 disable input circuit, or if a field-installed device is open. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Comp 2 High Press Cutout |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when a high pressure condition exists on compressor 2. This diagnostic is also present if the winding temperature limit switch is open or if the compressor circuit breaker trips. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: Comp 2 Locked Out |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when compressor 2 is locked out due to a device in the compressors contactor coil circuit being open or low pressure control being open four consecutive times without more than 3 continuous minutes of compressor operation. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: Comp 2 LPC Input Open |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the low pressure control has opened in the compressor 2 disable input circuit, or if a field-installed device has opened. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Cooling Setpoint Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the zone cooling setpoint input on the Voyager is reading an open or short condition. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Defrost Control Input Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the Voyager micro cannot read a valid input from the defrost control input on the defrost module switches one and two. This diagnostic is valid on 10 through 20-ton heat pump units. 0=NORMAL, 1=FAIL |
Diag: Defrost Default Mode |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when one of the three demand defrost faults occurs. This diagnostic is valid on 3 through 7½-ton heat pump units. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: Demand Defrost Fault A |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when a low DT occurs for two hours between the coil temperature sensor and the outdoor air sensor. This diagnostic is valid on 3 through 7½-ton heat pump units. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Demand Defrost Fault B |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the defrost cycle is terminated by its maximum 10-minute timer or the last 10 consecutive defrost cycles. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Demand Defrost Fault C |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when 16 consecutive high DT’s exist after defrost between the coil temperature sensor and the outdoor air sensor. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Dirty Filter |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the Voyager determines that a dirty filter condition exists. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Econ Min Position Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the minimum position setpoint input on the economizer module is reading an open or short condition. This is valid only on units with economizers. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Emergency Stop |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the external auto stop input on a 27½ through 50-ton unit is open. When this input is opened, the unit shuts down immediately. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: Exhaust Fan Stpt Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the exhaust fan setpoint input on the economizer module is reading an open or short condition. This is valid on 27½ through 50-ton units with economizers. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Frost Stat |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when an icing condition exists on the evaporator coil. When this diagnostic is present, the compressors are turned off and the evaporator fan is turned on. This is valid on 27½ through 50-ton units. This is an auto reset diagnostic. 0=NO, 1=YES |
Diag: Heat Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when either of the high temperature limit switches on a gas heat unit is open. When these limit switches open, a high temperature condition exists. This input is valid on all units with gas heat. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Heat Setpoint Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the zone heating setpoint input on the Voyager is reading an open or short condition. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: High Temp Input |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when an open circuit on the PCI high temp input (TB2) exists. A field-installed device is normally wired to this input. This is an auto reset diagnostic. 0=NORMAL, 1=HIGH TEMP |
Diag: Information Warning |
Binary |
This property indicates that information only diagnostic has occurred on the unit. An information only diagnostic will not inhibit any unit operation. 0=NO, 1=YES. |
Diag: Manual Reset Required |
Binary |
This property indicates that a manual reset diagnostic has occurred on the unit. The manual reset diagnostic will require the unit to be reset either from the Tracer or the unit (by cycling power). 0=NO, 1=YES. |
Diag: Morning Warmup Stpt Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the morning warmup setpoint input on the Voyager is reading an open or short condition. This input is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: OA Rel Humid Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when outdoor air relative humidity sensor input on the economizer board is reading an open or short condition. This diagnostic is valid only on units with economizers. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: OA Temp Sensor Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the outdoor air temperature sensor input on the Voyager is reading an open or short condition. This diagnostic is valid on all Voyager units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: RA Rel Humid Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the return air relative humidity sensor input on the economizer board is reading an open or short condition. This diagnostic is valid only on units with economizers. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: RA Temp Sensor Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when return air temperature sensor input on the economizer board is reading an open or short condition. This diagnostic is valid only on units with economizers. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Reference Enthalpy Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when reference enthalpy setpoint input on the economizer board is reading an invalid value. This diagnostic is valid only on units with economizers which are also set up for reference enthalpy control. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Hi Press - Manual |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the unit is shut down due to the supply air static pressure exceeding the supply air static high limit for the third time. This is a manual reset diagnostic. 0=NO, 1=YES |
Diag: SA Press Stpt Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when supply air pressure setpoint input on the Voyager is reading an open or short condition. This diagnostic is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Pressure Dband Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air pressure deadband setpoint input on the VAV module is reading an open or short condition. This diagnostic is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Pressure Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air pressure input on the unit is reading an out-of-range value. This diagnostic is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Reset Amount Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air temperature reset amount input on the VAV module is reading an open or short condition. This diagnostic is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Reset Stpt Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air temperature reset setpoint input on the VAV module is reading an open or short condition. This diagnostic is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Temp Sensor Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air temperature sensor input on the unit is reading an out-of-range value. This diagnostic is valid on all units with supply air temperature sensors. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: SA Temperature Stpt Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air temperature cooling setpoint input on the unit is reading an open or short condition. This diagnostic is valid only on VAV units. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Space Temp Sensor Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when space temperature input on the Voyager is reading an open or a short condition. This is an auto reset diagnostic. 0=NORMAL, 1=FAIL |
Diag: Supply Fan Fail |
Binary |
This property indicates the active status of the diagnostic. This diagnostic is present when the supply air flow cooling input on the Voyager is open for 5 seconds while the supply fan output is on. This is a manual reset diagnostic. 0=NORMAL, 1=FAIL |
DWU Initiate Setpoint: Setup |
Numeric |
This property indicates the saved value to be used by the BCU to initialize the "DWU Initiate Setpoint: Tracer" property in the event of a BCU reset or power loss. Range: 50.0 to 90.0° F |
DWU Initiate Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the daytime warmup initiate setpoint. The daytime warmup initiate setpoint must be at least 3° F less than the daytime warmup terminate setpoint. This property is only valid on VAV units. Range: 50.0 to 90.0° F |
DWU Terminate Setpoint: Setup |
Numeric |
This property indicates the saved value to be used by the BCU to initialize the "DWU Terminate Setpoint: Tracer" property in the event of a BCU reset or power loss. Range: 50.0 to 90.0° F |
DWU Terminate Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as a daytime warmup terminate setpoint. The daytime warmup terminate setpoint must be at least 3° F greater than the daytime warmup initiate setpoint. This property is only valid on VAV units. Range: 50.0 to 90.0° F |
Econ Calibration in Process |
Binary |
This property indicates that the economizer is currently being calibrated. This occurs at initial power up and when the economizer exits the economizing mode. This property is valid only for units with economizers. 0=NO, 1=YES |
Econ Drive Closed: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to use to drive the economizer to the full closed position. AUTO will allow the economizer to operate normally and DRIVE CLOSED will override the economizer control and drive the economizer damper fully closed. 0=AUTO, 1=DRIVE CLOSED |
Econ Drive Closed: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to drive the economizer to the full closed position. AUTO will allow the economizer to operate normally and DRIVE CLOSED will override the economizer control and drive the economizer damper fully closed. 0=AUTO, 1=DRIVE CLOSED |
Econ Drive Open: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to override the economizer damper to the full open position. AUTO will allow the economizer to operate normally and DRIVE OPEN will override the normal economizer operation and drive the damper to the full open (100%) position. 0=AUTO, 1=DRIVE OPEN |
Econ Drive to Min Pos: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to override the economizer damper to the minimum position. AUTO will allow the economizer to operate normally and DRIVE TO MIN will force the economizer to drive the damper to the minimum position setpoint. 0=AUTO, 1=DRIVE TO MIN |
Econ Min Position Source: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used by the Voyager to determine what economizer minimum position setpoint to use. LOCAL will instruct the Voyager to use its local minimum position input. TRACER will instruct the Voyager to use the economizer minimum position setpoint value from the Tracer. 0=LOCAL, 1=TRACER |
Economizer Control Source: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM so that it knows whether to use it’s local control parameters or those sent to it from Tracer Summit. 0=LOCAL, 1=TRACER |
Economizer Control: Tracer |
Multi-State |
This property indicates the value that will be communicated by the system to the Voyager and used for economizer control. DISABLE will override the unit’s economizing decision making process and will drive the economizer to its minimum position. AUTO will allow the economizer to operate normally using its local economizing decision making process. ENABLE will override the unit’s decision making process and instruct the economizer to modulate the damper to maintain a 55° F supply air setpoint. 0=DISABLE, 1=AUTO, 2=ENABLE |
Economizer Damper Position |
Numeric |
This property indicates the active position of the outdoor air damper. This property is valid only for units with economizers. Range: 0 to 100% |
Economizer Min Position: Input |
Numeric |
This property indicates the active value of the economizer damper minimum position analog input on the economizer module. This property is valid only on units with economizers. Range: 0 to 50% |
Economizer Min Position: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the economizer minimum position setpoint. Range: 0 to 50% |
Economizer Min Position: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the economizer minimum position setpoint. Range: 0 to 50% |
Economizer Request: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the economizer control function. The value of this property will only be used if "Economizer Control Source: Ref" is set to Tracer. 0=DISABLE, 1=ENABLE |
Economizer: OK to Economize? |
Binary |
This property indicates whether the outdoor air can be used for free cooling. 0=NO, 1=YES |
Economizer: Sensor Only |
Binary |
This property indicates that the economizer control board is installed for gathering supply air temperature or return air temperature and will not be doing any economizer control. 0=NO, 1=YES |
Emergency Heat Mode: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Emergency Heat Mode: Tracer" property in the event of a BCU reset or power loss. 0=NO, 1=YES |
Emergency Heat Mode: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to turn on the emergency heat mode in a heat pump unit. In the emergency heat mode, the supply fan will be turned on, the auxiliary heat will be turned on, and the economizer driven closed. This property only applies to heat pump units. 0=NO, 1=YES |
Emergency Shutdown: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to shut down the Voyager unit. AUTO will allow the Voyager unit to operate normally and SHUTDOWN will instruct the Voyager to shut down all mechanical outputs immediately. 0=AUTO, 1=SHUTDOWN |
Emergency Stop Input |
Binary |
This property indicates the active status of the external auto/stop input on 27½ through 50-ton units. 0=AUTO, 1=STOP |
Exhaust Fan Status |
Binary |
This property indicates the status of the exhaust fan output. 0=OFF, 1=ON |
Exhaust Mode Enable: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to enable the exhaust ventilation override mode. 0=AUTO, 1=ON |
Heat Fail Input |
Binary |
This property indicates the active status of the heat fail input on the Voyager micro. This input is valid only on gas heating units. 0=CLOSED, 1=OPEN |
Heat Stage 1 Status |
Binary |
This property indicates the active status of heating stage 1. 0=OFF, 1=ON |
Heat Stage 2 Exists |
Binary |
This property indicates whether a second stage of heat exists on the unit. This property is valid only on 3 through 25-ton units. 0=NO, 1=YES |
Heat Stage 2 Status |
Binary |
This property indicates the active status of heating stage 2. 0=OFF, 1=ON |
Heat Stage 3 Exists |
Binary |
This property indicates whether a second stage of heat exists on the unit. This property is valid only on heat pump units with 2-stage auxiliary heat. 0=NO, 1=YES |
Heat Stage 3 Status |
Binary |
This property indicates the active status of heating stage 3. 0=OFF, 1=ON. |
Heat Stages Active |
Numeric |
This property indicates the active number of heating stages in operation. Range: 0, 1, 2, 3 |
Heat/Cool Changeover Mode |
Binary |
This property indicates whether this unit will perform automatic heat/cool changeover or if it will perform manual changeover dictated by the heat/cool mode switch on the zone sensor module. 0=AUTO, 1=MANUAL |
Heat/Cool Mode Source: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Heat/Cool Mode Source: Tracer" property in the event of a BCU reset or power loss. 0=LOCAL, 1=TRACER |
Heat/Cool Mode Source: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used as the source of heating and cooling mode control for the Voyager. AUTO will allow the Voyager to determine the heat/cool mode. TRACER will allow the Tracer system to control the heat/cool mode of the unit. 0=AUTO, 1=TRACER |
Heat/Cool Request: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to control the unit into heating or cooling. This property is valid if the "Heat/Cool Mode Source: Setup" property is set to TRACER. 0=HEAT, 1=COOL |
Heat/Cool Request: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to control the heat/cool function. This property is only used by the Voyager if the "Heat/Cool Mode Source: Tracer" property’s value is TRACER. 0=HEAT, 1=COOL |
Heating Control: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the "Heating Stages Enabled: Tracer" property. When this property is set to DISABLE, the property "Heating Stages Enabled: Tracer" will be set to 0. AUTO will allow all heating functions to operate normally on the unit. 0=DISABLE, 1=AUTO. |
Heating Setpoint: Active |
Numeric |
This property indicates the value of the active zone heating setpoint. Range: 50.0 to 90.0° F |
Heating Setpoint: Local |
Numeric |
This property indicates the active value of the heating setpoint input on the unit. Range: 50.0 to 90.0° F |
Heating Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the constant volume occupied heating setpoint. The value of this property is also used by a VAV unit as the daytime warmup heating setpoint. Range: 50.0 to 90.0° F |
Heating Stages Enabled: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used to disable heating stages on the unit. A value of 0 will disable all heating stages on the unit while a value of 3 will allow all heating stages to operate normally. Range: 0,,1,,2,,3 |
Last Control Date Time |
Date/Time Numeric |
This indicates the date and time when the present value property of this object was last controlled. |
Lead Compressor |
Numeric |
This property indicates which compressor is the lead compressor. The lead compressor will alternate if lead/lag is enabled on the unit. Range: 1 or 2. |
Lead/Lag Enable: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Lead/Lag Enable: Tracer" property in the event of a BCU reset or power loss. 0=DISABLE, 1=ENABLE |
Lead/Lag Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to enable or disable compressor lead/lag control. DISABLE will not allow the lead compressor to be rotated. ENABLE will rotate the lead compressor to even out compressor run time between compressors on the unit. 0=DISABLE, 1=ENABLE |
Minimum Off Time |
Numeric |
This property provides access to the minimum off time assigned to the UCM being represented. This value serves to protect the hardware from cycle times which might harm the hardware. |
Minimum On Time |
Numeric |
This property provides access to the minimum on time assigned to the UCM being represented. This value serves to protect the hardware from cycle times which might harm the hardware. |
Minimum Time Remaining |
Numeric |
This property provides access to the minimum time remaining (if any) of a minimum On/Off time control action for the represented UCM device. PUTS are also allowed so that an operator can intervene on a Minimum On/Off control action that is in progress. |
Mode: Active |
Multi-State |
This property indicates the active mode of the Voyager unit. This property is valid only if the Voyager is under Tracer control. 0=OCCUPIED HEATING, 1=OCCUPIED COOLING, 2=UNOCCUPIED UNIT OFF, 3=OCCUPIED HEATING - MORNING WARMUP, 4=OCCUPIED HEATING - DAYTIME WARMUP, 5=UNIT TEST IN PROGRESS, 6=TRACER SERVICE TEST IN PROGRESS, 7=VENTILATION MODE: PRESSURIZE, 8=VENTILATION MODE: EXHAUST, 9=VENTILATION MODE PURGE |
Mode: Cond Coil Defrost Active |
Binary |
This property indicates that the condenser coil is currently being defrosted. This property is valid only on heat pump units. 0=NO, 1=YES |
Mode: Daytime Warmup |
Binary |
This property indicates the active status of the daytime warmup mode. Yes means the unit is in the daytime warmup mode. Daytime warmup is valid only on 27½ through 50-ton units with heat. 0=NO, 1=YES |
Mode: Emergency Heat |
Binary |
This property indicates the active status of the emergency heat mode. Yes means that the unit has been placed in the emergency heat mode either by the Tracer or by the emergency heat switch on zone sensor module. This property is valid only on 3 through 25-ton heat pump units. 0=NO, 1=YES |
Mode: Evap Coil Defrost Active |
Binary |
This property indicates the active status of the evaporator coil defrost mode. Yes indicates that the evaporator coil is being defrosted as a result of running in a low ambient condition for at least 10 minutes. In this mode, the compressors are turned off and the evaporator fan continues to run for 3 minutes. This property is valid only on 3 through 25-ton units. 0=NO, 1=YES |
Mode: Heat/Cool |
Binary |
This property indicates whether the unit is actively in the heating or cooling mode. 0=HEAT, 1=COOL |
Mode: Morning Warmup |
Binary |
This property indicates the active status of morning warmup mode. Yes means that the unit is in the morning warmup mode. This property is valid only on 27½ through 50-ton VAV units. 0=NO, 1=YES |
Mode: SA Tempering Active |
Binary |
This property indicates the active status of the supply air tempering mode. Yes means that the unit currently has heating stages activated to raise the discharge air temperature. This property is valid only on constant volume units. 0=NO, 1=YES |
Mode: System Status |
Binary |
This property indicates whether the Voyager unit is actively in the on or off mode. 0=OFF, 1=ON |
Mode: Test Mode Active |
Binary |
This property indicates the active status of the unit’s test mode. Yes means that the unit has been placed in the service test mode by a service test person at the unit. This property is valid only on 27½ through 50-ton VAV units. 0=NO, 1=YES |
Morning Warmup Enable: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Morning Warmup Enable: Tracer" property in the event of a BCU reset or power loss. 0=DISABLED, 1=ENABLED |
Morning Warmup Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to enable or disable the morning warmup function on the unit. DISABLED will lock out the morning warmup heating function on the unit. ENABLED will allow morning warmup to function normally. Morning warmup, when enabled, will only be allowed on a transition from unoccupied to occupied. This property is only valid on VAV units. 0=DISABLED, 1=ENABLED |
Morning Warmup Setpoint: Active |
Numeric |
This property indicates the active value being used by the Voyager as the morning warmup setpoint. This property is valid only on 27½ through 50-ton VAV units. Range: 50.0 to 90.0° F |
Morning Warmup Setpoint: Local |
Numeric |
This property indicates the value of the morning warmup setpoint input from the VAV setpoint panel on the unit. This property is valid only on 27½ through 50-ton VAV units. Range: 50.0 to 90.0° F |
Morning Warmup Setpoint: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the morning warmup setpoint. Range: 50.0 to 90.0° F |
Morning Warmup Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the morning warmup setpoint. This property is only valid on VAV units. Range: 50.0 to 90.0° F |
Object Identifier |
Object ID |
Uniquely identifies a particular object. This property is provided primarily to allow the embedding of the object ID in the returned data buffer. |
Object Type |
Object Type |
This property indicates the objects type (i.e., analog input, binary input, TCM, PCM, etc.). |
Occ Cooling Setpoint: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the constant volume occupied cooling setpoint. Range: 50.0 to 90.0° F |
Occ Heating Setpoint: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the constant volume occupied heating setpoint. The value of this property is also used by a VAV unit as the daytime warmup heating setpoint. Range: 50.0 to 90.0° F |
Occupancy: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to define occupancy status. 0=UNOCCUPIED, 1=OCCUPIED |
Outdoor Air Humidity: Input |
Numeric |
This property indicates the value of outdoor air relative humidity input on the economizer module. This property is valid only on units with economizers. Range: 0 to 100% RH |
Outdoor Air Temperature: Input |
Numeric |
This property indicates the local value of the outdoor air temperature sensor on the unit. Range: -40.0 to 150.0° F |
Power Exhaust Stpt: Active |
Numeric |
This property indicates the active value of the power exhaust setpoint being used by the unit. This property is valid only on 27½ through 50-ton units with economizers. Range: 0 to 100% |
Power Exhaust Stpt: Local |
Numeric |
This property indicates the value of the power exhaust setpoint input on the unit if installed. This property is valid only on 27½ through 50-ton units with economizers. Range: 0 to 100% |
Power Exhaust Stpt: Setup |
Numeric |
This property indicates the saved value to be used by the BCU to initialize the "Power Exhaust Stpt: Tracer" property in the event of a BCU reset or power loss. Range: 0 to 100% |
Power Exhaust Stpt: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the power exhaust setpoint. The exhaust fan output will be energized when the economizer damper position is equal to or greater than the value of this setpoint. This property only applies to 27½ through 50-ton Voyager units. Range: 0 to 100% |
Power Exhst Stpt Source: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to instruct the Voyager as to what power exhaust setpoint to use. LOCAL will instruct the Voyager to use its local power exhaust input. TRACER will instruct the Voyager to use the power exhaust setpoint communicated from the Tracer system. 0=LOCAL, 1=TRACER |
Power Fail |
Binary |
This property indicates that the Voyager UCM has detected a power fail and is currently going through its power fail recovery startup sequence. 0=NO, 1=YES |
Present Value |
Multi-State |
This property is used to control the unit to one of nine standard operation modes. These modes are defined as UNOCCUPIED, OPTIMAL START, OCCUPIED, OPTIMAL STOP, DEMAND LIMIT, DUTY CYCLE, PRIORITY SHUTDOWN, NIGHT ECONOMIZE, and NIGHT HEAT-COOL. A translation (within the BCU) may take place to map these modes into a simpler mode set. |
Pressurize Mode Enable: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM to enable the pressurize ventilation override mode. 0=AUTO, 1=ON |
Purge Mode Enable: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine when to activate the purge ventilation override mode on the unit. AUTO will allow the unit to operate normally. ON will instruct the unit to activate the purge mode. While in the purge mode, the mechanical cooling will be locked out, the economizer will be driven open, the unit will be unoccupied, and the supply fan will be turned on. 0=AUTO, 1=ON. |
Reference Enthalpy |
Numeric |
This property indicates the value of the reference enthalpy for the economizer module as set by dip switches on the economizer controller. This property is valid only on properties with economizers. Range: 19, 22, 25, 28 BTU/lbm |
Return Air Humidity: Input |
Numeric |
This property indicates the active value of the return air relative humidity input on the economizer. This property is valid only on units with economizers. Range: 0 to 100% RH |
Return Air Temperature: Input |
Numeric |
This property indicates the active value of the return air temperature input on the economizer module. This property is valid only on units with economizers. Range: -40.0 to 150.0° F |
Reversing Valve |
Binary |
This property indicates the active status of the reversing valve output. This property is valid only for heat pump units. 0=OFF, 1=ON. |
SA Cooling Setpoint: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the supply air cooling setpoint. Range: 40.0 to 90.0° F |
SA Cooling Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the supply air cooling setpoint. This property is valid only on VAV units. Range: 40.0 to 90.0° F |
SA Cooling Stpt: Active |
Numeric |
This property indicates the value of the active supply air cooling setpoint. This property is valid on VAV units. Range: 40.0 to 90.0° F |
SA Cooling Stpt: Local |
Numeric |
This property indicates the active value of the supply air cooling setpoint input on the unit. This property is valid only on VAV units. Range: 40.0 to 90.0° F |
SA Pressure Deadband: Active |
Numeric |
This property indicates the active value of the deadband for the supply air pressure control algorithm. This property is valid only on VAV units with inlet guide vanes or VFDs installed. Range: 0.2 to 1.0 IWC |
SA Pressure Deadband: Local |
Numeric |
This property indicates the active value of the supply air pressure control deadband input on the unit. This property is valid only on VAV units with inlet guide vanes or VFDs installed. Range: 0.2 to 1.0 IWC |
SA Pressure Deadband: Setup |
Numeric |
This property indicates the saved value to be used by the BCU to initialize the "SA Pressure Deadband: Tracer" property in the event of a BCU reset or power loss. Range: 0.20 to 1.00 IWC |
SA Pressure Deadband: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the deadband for the supply air pressure control algorithm. Range: 0.2 to 1.0 IWC |
SA Pressure Setpoint: Active |
Numeric |
This property indicates the active value being used as the supply air pressure setpoint by the unit for supply air pressure control. Range: 0.3 to 2.5 IWC |
SA Pressure Setpoint: Local |
Numeric |
This property indicates the active value of the supply air pressure setpoint input on the unit. Range: 0.3 to 2.5 IWC |
SA Pressure Setpoint: Ref |
Referencer |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the supply air pressure setpoint. Range: 0.30 to 2.50 IWC |
SA Pressure Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the supply air pressure setpoint. This property is valid only on VAV units. Range: 0.30 to 2.50 IWC |
SA Pressure: Input |
Numeric |
This property indicates the active value of the supply air pressure analog input on the unit. This property is valid on all VAV units. Range: 0.0 to 5.0 IWC |
SA Reset Amount: Active |
Numeric |
This property indicates the active value being used by the unit for the supply air temperature reset amount. This property is valid only on VAV units. Range: 0.0 to 20.0° F |
SA Reset Amount: Local |
Numeric |
This property indicates the active value of the supply air temperature reset amount input on the unit. This property is valid only on VAV units. Range: 0.0 to 20.0° F |
SA Reset Amount: Setup |
Numeric |
This property indicates the saved value to be used by the BCU to initialize the "SA Reset Amount: Tracer" property in the event of a BCU reset or power loss. Range: 0.0 to 20.0° F |
SA Reset Amount: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the maximum reset amount for the supply air reset function. Range: 0.0 to 20.0° F |
SA Reset Setpoint: Active |
Numeric |
This property indicates the active value being used by the unit for the supply air temperature reset setpoint. This property is valid only on VAV units. Range: 0.0 to 100.0° F |
SA Reset Setpoint: Local |
Numeric |
This property indicates the value of the supply air temperature reset setpoint input on the unit. This property is valid only on VAV units. Range: 0.0 to 100.0° F |
SA Reset Setpoint: Setup |
Numeric |
This property indicates the saved value to be used by the BCU to initialize the "SA Reset Setpoint: Tracer" property in the event of a BCU reset or power loss. Range: 50.0 to 90.0° F |
SA Reset Setpoint: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used as the temperature value where reset of the supply air temperature setpoint begins. Range: 50.0 to 90.0° F |
SA Reset Source: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to instruct the unit where to get the control parameters for the supply air reset function. LOCAL will instruct the Voyager to use its local supply air reset control parameters. TRACER will instruct the Voyager to use the values from the Tracer for reset amount, reset setpoint, and reset type. 0=LOCAL, 1=TRACER |
SA Reset Type: Active |
Multi-State |
This property indicates the active type of supply air temperature reset being used by the unit. This property is valid only on VAV units. 0=NONE, 1=OA, 2=ZONE, 3=RETURN AIR |
SA Reset Type: Local |
Multi-State |
This property indicates the value of the supply air reset type input on the unit. This property is valid only on VAV units. 0=NONE, 1=OA, 2=ZONE, 3=RETURN AIR |
SA Reset Type: Setup |
Multi-State |
This property indicates the saved value to be used by the BCU to initialize the "SA Reset Type: Tracer" property in the event of a BCU reset or power loss. 0=NONE, 1=OA, 2=ZONE, 3=RETURN AIR |
SA Reset Type: Tracer |
Multi-State |
This property indicates the value that will be communicated by the system to the Voyager and used as the type of supply air temperature reset. NONE will disable the supply air reset function. OUTDOOR AIR indicates that the supply air temperature will be reset based on outdoor air temperature. ZONE indicates that the supply air temperature will be reset based on zone temperature. RETURN AIR indicates that the supply air temperature will be reset based on return air temperature. 0=NONE, 1=OA, 2=ZONE, 3=RETURN AIR |
SA Temperature |
Numeric |
This property indicates the active value of the supply air temperature sensor connected to the unit. This sensor value is only available on units with economizer controllers installed or on VAV units. Range: -40.0 to 150.0° F |
SA Tempering Enable: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "SA Tempering Enable: Tracer" property in the event of a BCU reset or power loss. 0=DISABLE, 1=ENABLE |
SA Tempering Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to disable the supply air tempering function on the unit. DISABLE will lock out the supply air tempering function. ENABLE will allow the supply air tempering function to warm up the supply air if the supply air temperature value falls to at least 10° F below the occupied heating setpoint. 0=DISABLE, 1=ENABLE |
Service Mode Enable: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Service Mode Enable: Tracer" property in the event of a BCU reset or power loss. 0=NO, 1=YES |
Service Mode Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to enable the Tracer service test mode. NO will allow the unit to operate normally. YES will place the unit in the Tracer Service Test mode and the unit will be controlled to the states specified on the Service Test page of the editor. 0=NO, 1=YES |
Service Test Mode: Request |
Numeric |
The value of this property reflects the service test mode that has been requested by the operator on the Service Test page of the editor. For a 3 to 25-ton constant volume unit, 0=UNIT OFF, 1=INDOOR FAN ON, 2=INDOOR FAN ON-ECONOMIZER AT MINIMUM POSITION, 3=SUPPLY FAN ON-ECONOMIZER DRIVEN OPEN, 4=COOLING STAGE 1 ON, 5=COOLING STAGE 2 ON, 6=HEAT STAGE 1 ON, 7=HEAT STAGE 2 ON. |
Service Test Mode: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the Voyager and used to place the Voyager into a particular service test mode. Range: 0 to 11 |
Software Version: Voyager 3 |
Numeric |
This property indicates the current software version in the Voyager micro controller. This property is valid only on 27½ through 50-ton units. Range: 0 to 32,767 |
Space Temperature: Active |
Numeric |
This property indicates the active space temperature the Voyager is using for control function purposes. This property is used on constant volume units and is also used on VAV units for morning warmup, daytime warmup, or unoccupied zone control function. Range: -40.0 to 150.0° F |
Space Temperature: Local |
Numeric |
This property indicates the actual temperature being sensed from the Voyager’s hardwired zone sensor module. Range: -40 to 150.0° F |
Standby Mode Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to place the Voyager unit into a standby mode. AUTO will allow the Tracer to run normally. STANDBY will disable all heating and cooling outputs on the unit. 0=AUTO, 1=STANDBY |
Supply Fan Mode: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Supply Fan Mode: Tracer" property in the event of a BCU reset or power loss. 0=AUTO, 1=ON |
Supply Fan Mode: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used for the supply fan mode. This property is valid only for constant volume units. AUTO will allow the supply fan to run whenever there is an active call for heating or cooling. ON will force the supply fan to operate at all times when the unit is occupied. 0=AUTO, 1=ON |
Supply Fan Mode |
Binary |
This property indicates the active mode of the supply fan operation. If the supply fan mode is auto, the supply fan will only be energized when there is an active call for heating or cooling. If the supply fan mode is on, the supply fan will be energized continually during occupied times and will be placed in the auto mode during unoccupied times. This property is valid only on constant volume units. 0=AUTO, 1=ON |
Supply Fan Status |
Binary |
This property indicates the active status of the supply fan output on the Voyager. 0=OFF, 1=ON |
Supply Fan: IGV/VFD Position |
Numeric |
This property indicates the active value of the supply fan modulation output on the unit. This supply fan modulation output can be used to drive inlet guide vanes or can be used as an input to a variable frequency drive. This property is valid only on VAV units. Range: 0 to 100% |
Timed Override Request |
Binary |
This property indicates that a request has been received to initiate the timed override function on the Voyager unit. 0=NO, 1=YES |
Timed Override Request: Cancel |
Binary |
This property indicates that a request has been received to cancel an activated timed override. 0=NO, 1=YES |
UCM Analog Differential |
Numeric |
This property indicates the number of degrees applied to either the heating or cooling setpoint to determine the other respective setpoint. Range: 0.0 to 20.0° F |
UCM Use Differential |
Binary |
This property indicates whether or not to apply the UCM analog differential to either the constant volume heating or cooling setpoint to determine the other setpoint. 0=NO, 1=YES |
Unit Control Source: Setup |
Binary |
This property indicates the saved value to be used by the BCU to initialize the "Unit Control Source: Tracer" property in the event of a BCU reset or power loss. 0=LOCAL, 1=TRACER |
Unit Control Source: Tracer |
Binary |
This property indicates the active source for control of the Voyager control functions. If the unit control source is LOCAL, the unit will not accept control parameters from the Tracer Summit system and will use local setpoint values. If the unit control source is TRACER, the Voyager unit will accept setpoint and control information from the Tracer Summit system. 0=LOCAL, 1=TRACER |
Update Tag |
Numeric |
Object instance update tag. This tag is used to indicate that the nonvolatile memory resident data within the particular instance has changed. The workstation is the primary user of this property. |
VAS Drive to Max |
Binary |
This property indicates that the Voyager Rooftop unit will be providing full air flow for heating which will require the VAV boxes to drive to their maximum position. This property should be referenced by the VAV boxes to drive them to their maximum position. 0=AUTO, 1=DRIVE TO MAX. |
VAV Drive Open Request |
Binary |
This property indicates the active status of the drive open request relay output on the unit. This output is on when the unit unoccupied or when the unit is occupied and providing constant volume air flow (i.e., morning warmup or daytime warmup). This property is valid only on VAV units. 0=NO, 1=YES |
VAV Heat Output |
Binary |
This property is used to signal VAV boxes whether or not the Voyager unit will be providing heating or cooling. When this property is in the zero state, it means Voyager is in the cool mode. When this property is in the one state, it means the Voyager is in the heat mode. 0=OFF, 1=ON |
VAV Space Temp. Source |
Binary |
This property indicates the value that is communicated by the system to the UCM and used to specify the source of the space temperature. This property is only valid on 30 through 50 ton variable air volume Voyager units. 0=AUTO (use local sensor), 1=Tracer (use Tracer space temperature value). |
VAV Space Temp. Source: Ref |
Binary |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the source for the space temperature sensor. This property is only valid on 30 through 50 ton variable air volume Voyager units. 0=AUTO (use local sensor), 1=Tracer (use Tracer space temperature value). |
VAV Space Temperature: Ref |
Numeric |
This property indicates the value to be used by the BCU to determine which value to communicate to the UCM as the space temperature. This property is only valid on 30 through 50 ton variable air volume Voyager units. Range: -40.0 to 150.0 º F. |
VAV Space Temperature: Tracer |
Numeric |
This property indicates the value that will be communicated by the system to the UCM and used as the space temperature. This property is only valid on 30 through 50 ton variable air volume Voyager units. The space temperature is used by the morning and daytime warmup heating functions. Range: -40.0 to 150.0 º F. |
Vent Override Active |
Binary |
This property indicates that a ventilation override request has been activated. 0=NO, 1=YES |
Vent Override Enable: Local |
Binary |
This property indicates the status of the ventilation override enable input on the unit. 0=NO, 1=YES |
Vent Override Enable: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used to enable a particular ventilation override mode on the unit. AUTO will allow the unit to run normally. ENABLE will initiate either the exhaust or pressurize ventilation override mode. The particular ventilation mode is dictated by the value of the property "Vent Override Type: Tracer." 0=AUTO, 1=ENABLE |
Vent Override Type: Tracer |
Binary |
This property indicates the value that will be communicated by the system to the Voyager and used as the type of ventilation override mode. The value of this property is only used by the Voyager when the property "Vent Override Enable: Tracer" is set to ENABLE. EXHAUST will turn on the exhaust fan and drive all other outputs on the unit off or closed. PRESSURIZE will force the inlet guide vanes or variable frequency drive to full open, will turn the supply fan on, and will drive the outdoor air damper to the full open position. 0=EXHAUST, 1=PRESSURIZE |