Johnson Controls LX Series - Disconnect Alarms

LX Series Unit Ventilator Controller User's Guide 65
Disconnect Alarms
The column heading Bit # refers to the Bit Number of nvoUValarm. The column
programmatic name refers to the programmatic name of nvoUValarm with the
format type UNVT_uv_alarm that relays the status of the object. If a heartbeat
alarm comes ON, an electrical fault alarm sounds. The Bit #11 of nvoStatus,
programmatic name electrical_fault, turns ON. Table 12 describes disconnect
alarms.
Emergency Mode Alarms
Emergency mode is described in the Emergency Operation section. Emergency
mode alarm begins when the emergency mode begins. In Table 13, the column
programmatic name refers to the programmatic name of nvoUValarm with the
format type UNVT_uv_alarm, which relays the status of the object.
User-Set Alarms
The column heading Bit # refers to the Bit Number of nvoUValarm. The column
programmatic name refers to the programmatic name of nvoUValarm with the
format type UNVT_rt_alarm that relays the status of the object. If a user-set alarm
comes ON, an out of limits alarm sounds. The Bit #4 of nvoStatus, programmatic
name out_of_limits, turns ON.
Table 12: Disconnect Alarms
Sensor Time
Disconnected
Bit # Programmatic Name
Space Temperature
Sensor
30 seconds 32 SpaceTempSensorFault
Discharge Air Temperature
Sensor
30 seconds 33 DischargeTempSensorFault
Return Air Temperature
Sensor
30 seconds 34 ReturnTempSensorFault
Mixed Air Temperature
Sensor
30 seconds 35 MixedAirTempSensor
Outdoor Air Temperature
Sensor
30 seconds 36 OutdoorTempSensor
Water Temperature Sensor 30 seconds 37 WaterTempSensorFault
Setpoint Offset 30 seconds 38 SetpointOffsetElecFault
Table 13: Emergency Mode Alarm
Monitored State Bit # Programmatic Name
Emergency Mode 48 Emergency