Johnson Controls LX Series User Manual

LX Series Unit Ventilator Controller User's Guide94
nviOutdoorEnthHeartBeat 18 Heartbeat failure has occurred in nviOutdoorEnth.
nviFanSpeedCmdHeartBeat 19 Heartbeat failure has occurred in
nviFanSpeedCmd.
nviExtCmdOutputxHeartBeat 20-26 Heartbeat failure has occurred in
nviExtCmdOutput.
SpaceTempSensorFault 32 Space temperature sensor is disconnected for
longer than 30 seconds.
DischargeTempSensorFault 33 Discharge temperature sensor is disconnected for
longer than 30 seconds.
ReturnTempSensorFault 34 Return temperature sensor is disconnected for
longer than 30 seconds.
MixedAirTempSensorFault 35 Mixed air temperature sensor is disconnected for
longer than 30 seconds.
OutdoorTempSensorFault 36 Outdoor temperature sensor is disconnected for
longer than 30 seconds.
WaterTempSensorFault 37 Water temperature sensor is disconnected for
longer than 30 seconds.
SetpointOffsetElecFault 38 Setpoint offset is disconnected for longer than
30 seconds.
LowSpaceTemp 39 Space temperature is lower than the active heating
setpoint by more than the offset for a time period
longer than the alarm delay.
HighSpaceTemp 40 Space temperature is higher than the active
heating setpoint by more than the offset for a time
period longer than the alarm delay.
LowDischargeTemp 41 The discharge temperature is lower than the low
limits setpoint for a time period longer than the
alarm delay.
HighDischargeTemp 42 The discharge temperature is higher than the high
limits setpoint for a time period longer than the
alarm delay.
LowReturnTemp 43 The return temperature is lower than the active
heating setpoint by more than the offset and for
longer than the time specified in the alarm delay.
HighReturnTemp 44 The return temperature is higher than the active
cooling setpoint by more than the offset and for
longer than the time specified in the alarm delay.
LowMixedAirTemp 45 The mixed air temperature is lower than the low
limit setpoints for longer than the time specified in
the alarm delay.
LowSpaceRH 46 The space humidity is lower than a setpoint by
more than the humidity offset for a time period
longer than the alarm delay.
HighSpaceRH 47 The space humidity is higher than a setpoint by
more than humidity offset for a time period longer
than the alarm delay.
Table 31: nvoUValarm (Part 2 of 3)
Programmatic Name Bit
Number
Meaning When Bit Is Set

Johnson Controls LX Series Specifications

General

Brand	Johnson Controls
Model	LX Series
Category	Air Conditioner
Language	English