VAV/ZONE CONFIGURATION
VCB-X Operator Interface SD
69
VAV/Zone Setpoint Screens
VAV/Zone Controller Setpoints
Modular Service Tool Instructions
From any menu screen,
press
<SETPOINTS>
. The
Unit Selection
Screen,
shown below, will appear requesting that you enter the unit ID
number.
Enter Unit Address
Then Press Enter
Selected Unit#: XXXX
No Communication
Enter
the correct unit ID number of the Controller you want to change
Setpoints for and
press
<ENTER>
. Once communication is established,
“No Communication” will be replaced with “Press Down.” Then
press
<
>
. You will then see Setpoint Screen #1.
Press
<ENTER>
to save
entered data and
press
<
>
to scroll through the screens.
NOTE:
If “No Communication” remains, it indicates a
communication failure to the controller.
System Manager SD Instructions
From any Main screen,
press
<SETPOINTS>
. The screen below will
appear because this option requires passcode clearance. Only a Level 2
passcode can change setpoints.
THIS ACTION REQUIRES
PASSCODE CLEARANCE
Enter Passcode: XXXX
If the correct passcode was entered, the
Unit Selection Screen
will be
displayed.
Enter Unit Address
Then Press Enter
Selected Unit#: XXXX
No Communication
Enter the Unit ID of the controller you wish to change schedules for
and
press
<ENTER>
. Once communication is established, “No Com-
munication” will be replaced with “Press Down.” Then
press
<
>
.
NOTE:
If “No Communication” remains, it indicates a
communication failure to the controller.
The following screen will be displayed:
Change Setpoints
Configure Unit
Save/Copy/Restore
Scroll to the ‘Change Setpoints’ option and
press
<ENTER>
. This will
take you to the
fi
rst Setpoints Screen shown below.
Setpoint Screen #1 - Occupied Setpoints
XX Box Spts IDXXXX
Occupied Setpoints
Cooling.....: XX
º
F
Heating.....: XX
º
F
Enter the
Occupied Cooling Setpoint
as the maximum temperature
you would like the zone to reach before modulating the damper open
to bring in more cold air to cool the space. Enter the
Occupied Heat-
ing Setpoint
as the minimum temperature you would like the zone to
reach before activating the Reheat Stages on the optional Expansion
Relay board. If this is a Cooling Only box that doesn’t contain reheat,
this setpoint will be ignored.
Description
Minimum
Default
Maximum
Cooling Setpoint
50ºF
74ºF
90ºF
Heating Setpoint
50ºF
70ºF
90ºF
Setpoint Screen #2 - Unoccupied Setbacks
XX Box Spts IDXXXX
Unoccupied Setbacks
Cooling SetUp: XX
º
F
Heating SetBk: XX
º
F
During unoccupied hours, the Occupied Cooling Setpoint is adjusted up
by the amount entered for the Cooling SetUp. The Occupied Heating
Setpoint is adjusted down by the amount entered for the Heating SetBk.
Description
Minimum
Default
Maximum
Cooling SetUp
0ºF
+10ºF
+30ºF
Heating SetBk
0ºF
-10ºF
-30ºF
