Orion System VAV II Controller v.1 - Manual (Page 31)

VAV/CAV/MUA Operator Interface SD
VAV/CAV CONTROLLER SETPOINTS
31
VAV/CAV Setpoint Screens
Setpoints - General Procedures
Modular Service Tool Instructions
From any menu screen, press . The Unit Selection
Screen, shown below, will appear requesting that you enter the unit ID
number.
Unit Selection*00*
Enter Unit ID#
Selected ID#: XXXX
Enter the correct unit ID number of the Controller you want to change
Setpoints for and press
. Once communication is established,
the *00* message will go away. Then press
<  >
. You will then see
Setpoint Screen #1. Press to save entered data and press
<

>
to scroll through the screens.
NOTE: If the *00* remains, it indicates a communication failure
to the controller.
System Manager SD Instructions
From any Main screen, press . 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.
Unit Selection*00*
Enter Unit ID#
Selected ID#: XXXX
Enter the Unit ID of the controller you wish to change schedules for and
press
. Once communication is established, the *00* message
will go away. Then press
<  >
.
NOTE: If the *00* 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 . This will
take you to the fi rst Setpoints Screen shown below.
Setpoint Screen #1 - HVAC Mode Setpoints
VAV/CAV Spts ID 0001
HVAC Mode Setpoints
Cooling......: 74ºF
Heating......: 65ºF
If the controller is confi gured for Space Temperature, Return Air Tem-
perature, or Return Air with Day Heating control, the unit attempts to
maintain these Cooling and Heating Setpoints.
If you are using a remote BAS to activate the Heating or Cooling
Modes with contact closures on the 4 Binary Input Board, set these two
setpoints to zero and select the Supply Air Temperature Sensor as the
controlling sensor.
Description Minimum Default Maximum
HVAC Mode Setpoints Cooling 0ºF 74ºF 90ºF
HVAC Mode Setpoints Heating 0ºF 65ºF 90ºF
Setpoint Screen #2 - Unoccupied Setbacks
VAV/CAV Spts ID 0001
Unoccupied Setbacks
Cooling SetUp: 10ºF
Heating SetBk: 0ºF
During the Unoccupied Mode these values will be added to the Cool-
ing Setpoint and subtracted from the Heating Setpoint. These settings
are only used if the controller has been confi gured to utilize a Space
Temperature Sensor.
Description Minimum Default Maximum
Unoccupied Cooling Setup 0ºF 10ºF 30ºF
Unoccupied Heating Setback 0ºF 0ºF -30ºF