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Honeywell Excel 10 W7752D User Manual page 40

Fan coil unit controllers lns plug-ins
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EXCEL 10 FCU CONTROLLER LNS PLUG-INS USER GUIDE
NV name
field name
nciRcvHrtBt
nciSndHrtBt
nciCntrlSettings
fan_auto_mode
EN2B-0285GE51 R0909
Table C2. Configuration Variables for Excel 10 FCU Controllers
digital
engineering units:
state
English (metric) or states
or
plus range
value
SNVT_time_sec
0 to 6553 seconds
0 = Disabled
SNVT_time_sec
0 to 6553 seconds
0 = Disabled
CONTINUOUS
0
AUTO_MODE
1
default
0 s from factory
This configuration variable specifies the maximum time that elapses
after the last update to
• nviApplicMode
• nviDlcShed
• nviManCool
• nviManHeat
• nviSensorOcc
• nviSetPtOffset
• nviSpaceTemp
• nviTodEvent
• nviWindow
before these NV inputs adopt their default values. Setting nciRcvHrtBt
= 0 means, that the assigned NV input does not wait for an periodic
update, and that it will never revert to any default when not receiving an
update. If nviSpaceTemp and nviApplicMode are not received at
regular intervals that are less than the heartbeat time, the controller will
assume that there is a communication failure and revert to the
"occupied" mode.
0 s from factory
This configuration variable specifies the maximum time that expires
before the object automatically transmits the current value of
• nvoActiveSetPt
• nvoAlarm
• nvoApplicMode
• nvoCoolOutput
• nvoFanSpeed
• nvoFcuStatus
• nvoHeatOutpu
• nvoReheatt
• nvoSensorOcc
• nvoSpaceTemp
• nvoTerminalLoad
• nvoUnitStatus
• nvoWindow
This provides a heartbeat output that can be used by the destination
objects to ensure that the node is still healthy. The heartbeat output
may be disabled by setting nciSndHrtBt = 0.
AUTO_MODE
This configuration variable specifies the fan operation during the
"occupied" mode. CONTINUOUS will cause the fan to run even in the
zero energy band.
38
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