Vav/cav controller setpoints, Vav/cav setpoint screens, Vav/cav/mua operator interface sd – Orion System VAV II Controller v.1 User Manual

Page 31: Setpoints - general procedures

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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

<SETPOINTS>

. 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

<ENTER>

. Once communication is established,

the *00* message will go away. Then

press

<

>

. You will then see

Setpoint Screen #1. Press

<ENTER>

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

<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.

Unit Selection*00*

Enter Unit ID#

Selected ID#: XXXX

Enter the Unit ID of the controller you wish to change schedules for and
press

<ENTER>

. 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

<ENTER>

. 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

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