Viconics VT7200 Installation Manual (Current Release 5000 Series PIR Ready) - Manual (Page 21)

21 | PIR Ready VT7200 Series-Installation Guide

(Filter): a backlit flashing Filter alarm will be displayed on the
Terminal Equipment Controller LCD screen when the input is
energized. It can be tied to a differential pressure switch that
monitor filters
 Contact opened = No alarm

Contact closed = Alarm displayed

(Service): a backlit flashing Service alarm will be displayed on
the Terminal Equipment Controller LCD screen when the
input is energized. It can be tied in to the AC unit control card,
which provides an alarm in case of malfunction.
 Contact opened = No alarm
Contact closed = Alarm displayed
UI3
Universal input no.3
configuration
Default value = None (None): No function will be associated with the input
(COC/NH) Change over dry contact. Normally Heat: Used for hot /
cold water or air change over switching in 2 pipe systems.
Contact closed = Cold water or air present
Contact opened = Hot water or air present
Only used and valid if system is setup as 2 pipes. Parameter (Pipe
No) set as 2 pipes.
(COC/NC) Change over dry contact. Normally Cool: Used for hot /
cold water or air change over switching in 2 pipe systems.
Contact closed = Hot water present
Contact opened = Cold water present
Only used and valid if system is setup as 2 pipes. Parameter (Pipe
No) set as 2 pipes.
(COS) Change over analog sensor: Used for hot / cold water or air
change over switching in 2 pipe systems.
Only used and valid if system is setup as 2 pipes. Parameter (Pipe
No) set as 2 pipes.
If water temperature is > 78 °F = Hot water present
If water temperature is < 75 °F = Cold water present
(SS) Supply air sensor monitoring: Used for supply air
temperature monitoring.
Only used for network reporting of the supply air temperature. Has
no internal function in the Terminal Equipment Controller.
MenuScro
Menu scroll
Default value = On =
Scroll active Removes the scrolling display and displays the room
temperature/humidity to the user. With this option enabled, no
mode, schedule and outdoor temperature status is given.
 On = Scroll active
 Off = Scroll not active
C or F
Sets scale of the Terminal
Equipment Controller
Default value = °F  °F for Fahrenheit scale
 °C for Celsius scale