Programming Guide

VAV-SVP01A-EN 63
VAV VV550 Controller Device Home Tabs: Instructions
Outputs Tab
In Rover, the Outputs Tab can be changed by selecting the Configure button. Following are
descriptions of each line on the Outputs tab. For the factory-installed VAV VV550 Controller, all
inputs and outputs are configured at the factory. For the field-installed VAV VV551 Controller, click
the Start button to configure the outputs.
Binary Output 1
Binary output 1 is used to drive the air valve closed. It works in conjunction with binary output 2
to modulate the air valve.
Binary Output 2
Binary output 1 is used to drive the air valve open. It works in conjunction with binary output 1 to
modulate the air valve.
Output Configuration Wizard
Click the Start button to configure the outputs.
Binary Output 3& 4
This output can be configured for:
• Hot-water on/off control
• Hot-water modulating (3-wire) valve control (requires outputs 3 and 4)
• Electric-heat staged or pulse width modulation
The output is automatically configured based on your answers in the Output Configuration Wizard.
Device Contacts Normally Open: Select this check box if the device contacts are normally open.
This check box is available only for hot-water on/off control.
Figure 46. Outputs tab