67
APPENDIX B
—
09FC FREE COOLING MODULE CONTROLLER (CONT)
Alarms
Navigation: i-Vu
®
/ Field Assistant: Properties > Control Program
> Alarms
I/O Points
Navigation: i-Vu
®
/ Field Assistant: Properties > Control Program
> I/O Points
Point Name – Description
Range
Equipment Alarm
– Indicates if the unit is in a general equipment alarm.
R: Normal/Alarm
Leaving Water Temperature
– Indicates if the leaving water temperature exceeds the high or low alarm
limits.
R: Normal/Alarm
Entering Water Temperature
– Indicates if the entering water temperature exceeds the high or low alarm
limits.
R: Normal/Alarm
Outdoor Air Temperature
– Indicates if the outdoor air temperature exceeds the high or low alarm limits.
R: Normal/Alarm
Leaving Water Temp Sensor
– Indicates if the leaving water temperature sensor fails.
R: Normal/Alarm
Entering Water Temp Sensor
– Indicates if the entering water temperature sensor fails.
R: Normal/Alarm
Outdoor Air Temp Sensor
– Indicates if the outdoor air temperature sensor fails.
R: Normal/Alarm
Fan VFD Fail Alarm
– Indicates if the fan variable frequency drive is commanded On while its running status
is Off.
R: Normal/Alarm
Lvg Water Temp Hi Alarm
– Indicates if the leaving water temperature exceeds the outdoor air temperature. R: Normal/Alarm
Negative DeltaT Alarm
– Indicates if the leaving water temperature exceeds the entering water temperature. R: Normal/Alarm
WARNING
Do not change the
Value
,
Offset/Polarity
,
Exp:Num
,
I/O
Type
,
Sensor/Actuator Type
,
Min/Max
, or
Resolution
I/O
configuration parameter for the points listed below. Changing
these parameters could cause improper control and/or equip
-
ment damage.
Use extreme caution if locking a point as this may also cause
improper control and/or equipment damage.
Point Name – Description
Range
Remote Contact
– The remote contact input's current state.
R: Open/Close
OAT Sensor
– The value of the controller's outdoor air temperature sensor input, prior to any operator-
configured Calibration Offset.
R: -56 to 245°F
Leaving Water Temp
– The value of the controller’s leaving water temperature sensor input, prior to any
operator-configured
Calibration Offset
.
R: -56 to 245°F
Entering Water Temp
– The value of the controller’s entering water temperature sensor input, prior to any
operator-configured
Calibration Offset
.
R: -56 to 245°F
Fan VFD Run Status
– The fan VFD status input's current state.
R: Off/On
Ext Demand Limit
– The external demand limit input's current state.
R: Off/On
Fan VFD Speed
– The assigned output channel's current commanded, configuration dependent, fan VFD
speed output.
R: 0 to 100%
Bypass Valve
– The assigned output channel's current commanded, configuration dependent, bypass valve
analog output.
R: 0 to 100%
Valve Command
– The assigned output channel's current commanded, configuration dependent, valve floating
motor binary outputs.
R: Close/Open
Alarm Lamp
– The assigned output channel's current commanded, configuration dependent, alarm output.
R: Off/On
Fan VFD Enable
– The assigned output channel's current commanded, configuration dependent, fan VFD
enable output.
R: Off/On
Summary of Contents for 09FC020
Page 8: ...8 Fig 5 09FC 020 Unit Dimensions...
Page 9: ...9 Fig 6 09FC 030 Unit Dimensions...
Page 10: ...10 Fig 7 09FC 040 Unit Dimensions...
Page 11: ...11 Fig 8 09FC 050 Unit Dimensions...
Page 12: ...12 Fig 9 09FC 060 Unit Dimensions...
Page 13: ...13 Fig 10 09FC 070 Unit Dimensions...
Page 14: ...14 Fig 11 09FC 080 Unit Dimensions...
Page 69: ......