VAV/ZONE STATUS
74
VCB-X Operator Interface SD
Status Screen #5 - Zone Damper Position,
Air
fl
ow, and Desired CFM
XX Box v4.01 IDXXXX
Damper FRC: XXX %
Airflow : XXXX CFM
Desired : XXXX CFM
Line 2
Current Zone Damper Position
If you entered a FORCE command, the letters FRC
will appear. If this is normal damper operation, the
FRC will not be displayed.
Line 3
If this is a Pressure Independent box, the current
Air
fl
ow will be displayed. If not, this line will display
the desired damper position.
Line 4
If this is a Pressure Independent box, this line will
display the Desired CFM the box would like to
provide to the zone. If not, this line will display
[Controls to +/- 3%] to indicate how accurately the
damper will maintain the desired position.
Status Screen #6 - Fan Status & Reheat
Stages
XX Box v1.04 IDXXXX
Fan Status : OFF
Heating Relay#1 : OFF
Heating Relay#2 : OFF
Line 2
If this is a Fan Powered box, this line will display the
Fan On/Off Status. On non-fan powered boxes, this
line will display [Exp Relay 1 Not Used].
Line 3
If your VAV/Zone Controller has been con
fi
gured to
control reheat stages, this line re
fl
ects the On/Off
Status
of
the
fi
rst stage of Reheat. If you have 3 stages
of reheat, this line will display the total number of
active
heating
stages.
Examples:
“1 Reheat Stages On” or
“2 Reheat Stages On” or
“3
Reheat
Stages
On”
If proportional heating is used (you have no relays
con
fi
gured for heat), this line will display
“Heating Signal: xxx %”.
Line 4
If your VAV/Zone Controller has been con
fi
gured to
control reheat stages, this line re
fl
ects the On/Off
Status of the second stage of Reheat. If you have 3
stages of reheat as explained on line 2, this line will be
blank.
Status Screen #7 - Alarm Status
XX Box v1.04 IDXXXX
NO ALARMS!
XX Box v.104 IDXXXX
ALARMS PRESENT
SCROLL DOWN TO VIEW
Line 2
Blank
Line 3
NO ALARMS! OR ALARMS PRESENT
If there are one or more alarms active, the possible
messages are shown below:
SPACE
SENSOR
FAILURE
CFM
SENSOR
FAILURE
DAMPER
OPENING
ALARM
DAMPER
CLOSING
ALARM
HI SPACE TEMP ALARM
LO
SPACE
TEMP
ALARM
DPR
FEEDBACK
FAILURE
Press
<
>
to scroll through all active alarms.
For Alarm De
fi
nitions, see the
VCB-X Controller Field
Technical
Guide
.
VAV/Zone Status Screens
