Viconics VT7600W Installation Manual - Manual (Page 13)

13 | PIR Ready VT76xxW Series-Installation Guide
Frost ON
Indicates that the heating is energized by the low limit frost protection room
temperature setpoint 5.6 °C ( 42 °F )
SetClock
Indicates that the clock needs to be reset. There has been a power failure
which has lasted longer than 6 hours
Service
Indicates that there is a service alarm as per one of the configurable digital
input ( DI1 or DI2 )
Filter
Indicates that the filters are dirty as per one of the configurable digital input (
DI1 or DI2 )
Fan lock
Indicates that the heating and cooling action are locked out due to a defective
fan operation
Three status LEDs on the Terminal Equipment Controller cover are used to indicate the
status of the fan, a call for heat, or a call for cooling.
When any of the fan is ON, the FAN LED will illuminate
When heating is ON, the HEAT LED will illuminate
When cooling is ON, the COOL LED will illuminate
LED
OPERATION
HEATPUMP
MODELS
Fan LED on
When G Fan terminal
operates
Heating LED
on
When Y1 terminal
operates in heating
mode
Cooling LED
on
When Y1 terminal
operates in cooling
mode
U
SER
I
NTERFACE
User configuring instructions menu
The VT7600 series of Terminal Equipment
Controller feature an intuitive, menu-driven, back-lit
LCD display that walks users through the
configuring steps, making the configuring process
extremely simple. This menu is typically accessed
by the user to set the parameters such as
temperature and time events, system mode, fan
mode, etc.
It is possible to bring up the user menu at any time by depressing the MENU key. The
status display automatically resumes after exiting the user-configuring menu.