Viconics VT7600W Installation Manual - Manual (Page 25)

25 | PIR Ready VT76xxW Series-Installation Guide
DI 1
Digital input no.1
configuration
Open contact input =
function not energized
Closed contact input =
function energized
Default Value = None
(None) : No function will be associated with the input
(Rem NSB): remote NSB timer clock input. Will disable the
internal scheduling of the Terminal Equipment Controller. The
scheduling will now be set as per the digital input. The time is
still displayed as information, but the menu part related to
scheduling is disabled and no longer accessible.
Open contact = occupied setpoints
Closed contacts = unoccupied setpoints
(RemOVR): Temporary override remote contact. Disables all
override menu function of the Terminal Equipment Controller.
The override function is now controlled by a manual remote
momentarily closed contact. When configured in this mode, the
input operates in a toggle mode. With this function enabled it is
now possible to toggle between unoccupied & occupied
setpoints for the amount of time set by parameter (TOccTime)
temporary occupancy time. When Override is enabled, an
Override status message will be displayed
(Filter): a back-lit flashing Filter alarm will be displayed on the
Terminal Equipment Controller LCD screen when the input is
energized
(Service): a back-lit flashing Service alarm will be displayed on
the Terminal Equipment Controller LCD screen when the input is
energized
(Fan lock): a back-lit flashing Fan lock alarm will be displayed
on the Terminal Equipment Controller LCD screen when the
input is not energized. Used in conjunction with a local airflow
sensor connected to the input. Locks out the Terminal
Equipment Controller heating and cooling action if no airflow is
detected 10 seconds after the fan ( G terminal ) is energized.
Open contact = no airflow
Closed contacts = airflow present
DI 2
Digital input no. 2
configuration
Default value = None
Same as above. It is possible to configure both inputs to have
the same function.
MenuScro
Menu scroll
Default value = On =
Scroll active Removes the scrolling display and only present the room
temperature/humidity to the user. With this option enabled, no
status is given of mode, schedule and outdoor temperature.
On = Scroll active
Off = Scroll not active