VCB-X Operator Interface SD
VCB-X CONFIGURATION
43
Setpoint Screens #6, #7 & #8 - Flush Mount
Space Sensor Calibrate Slide Adjust
VCBX Spts ID 101
Calibrate Slide Adj
Put At Up Pos: XXX
Enter # Shown: XXX
The use of this screen is optional and is not required for the sensor to
function. Once the slide adjust value is con
fi
gured on Setpoint Screen
#5, this screen is used to calibrate the slider to accurately provide that
offset adjustment in the up position. The value on line 3 will change
when the slider moves. Once the slider is in the up position, wait for
the value on line 3 to stop changing. Once it stops changing, enter this
value on line 4.
VCBX Spts ID 101
Calibrate Slide Adj
At Middle Pos: XXX
Enter # Shown: XXX
This screen is used to calibrate the value for the slider when it is in the
middle position. The value on line 3 will change when the slider moves.
Once the slider is in the middle position, wait for the value on line 3 to
stop changing. Once it stops changing, enter this value on line 4.
VCBX Spts ID 101
Calibrate Slide Adj
At Down Pos: XXX
Enter # Shown: XXX
This screen is used to calibrate the value for the slider when it is in the
down position. The value on line 3 will change when the slider moves.
Once the slider is in the down position, wait for the value on line 3 to
stop changing. Once it stops changing, enter this value on line 4.
Setpoint Screen #9 - Space Sensor
Push-Button Override Duration
VCBX Spts ID 101
Space Sensor Push
Button Override
Duration: 2.0Hr
If the VCB-X has a Space Temperature Sensor installed and it has the
Override Button option, the HVAC unit will initiate Override Mode any
time the Override Button is pressed and held for less than 3 seconds.
This puts the unit into Occupied operation. The Push-Button Override
Duration Setpoint allows you to adjust the amount of time the Override
will remain in effect when the Override Button is pressed. To cancel
the Override before the Override Duration time period expires, press
the Override Button for 5 to 10 seconds.
VCB-X Setpoint Screens
If using a Digital Space Sensor, pushing the Override Button momen-
tarily will initiate the Override Mode.
Description
Minimum
Default
Maximum
Space Sensor
Push-Button
Override Duration
0.0 Hr
2.0 Hr
8.0 Hr
Setpoint Screen #10 - Controlling Sensor High
Alarm Offset
VCBX Spts ID 101
Controlling Sensor
High Alarm Offset
Setpt: 30.0
º
F
If the Temperature of the controlling sensor rises above the Occupied
Cooling Setpoint by this amount during the Cooling Mode, the controller
will generate a High Control Temp Alarm. The unit must be con
fi
gured
for Space Temperature Control, Return Air Temperature Control, or as
a Single Zone VAV unit for this alarm to be generated.
Description
Minimum
Default
Maximum
Controlling Sensor
High Alarm Offset
0ºF
(0
º
C)
30ºF
(16.6ºC)
50ºF
(27.7ºC)
Setpoint Screen #11 - Controlling Sensor Low
Alarm Offset
VCBX Spts ID 101
Controlling Sensor
Low Alarm Offset
Setpt: 30.0
If the Temperature of the controlling sensor falls below the Occupied
Heating Setpoint by this amount during the Heating Mode, the controller
will generate a Low Control Temp Alarm. The unit must be con
fi
gured
for Space Temperature Control, Return Air Temperature Control, or as
a Single Zone VAV unit for this alarm to be generated.
Description
Minimum
Default
Maximum
Controlling Sensor
Low Alarm Offset
0ºF
(0
º
C)
30ºF
(16.6ºC)
50º F
(27.7ºC)
