Viconics VZ7656H Wireless Installation Guide - Manual (Page 22)

22 | VZ7656R & VZ7656H-Installation Guide
fan del
Fan delay
Default value = Off Fan delay extends fan operation by 60 seconds after the
call for heating or cooling ends.
Valid only for Auto fan mode. “On” fan mode will leave the
fan always on.
Off or On
DI 1
Digital input 1 configuration
Default value = None
Open contact input = function not energized.
Closed contact input = function energized.
None: No function will be associated with the input.
Rem NSB, remote NSB timer clock input. Will disable the
internal scheduling of the 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 RTU operation mode.
Closed contacts = unoccupied RTU operation mode.
RemOVR; temporary override remote contact. Disables all
override menu functions of the RTU controller. The
override function is now controlled by a manual remote
momentarily closed contact. When configured, in this
mode the input toggles between unoccupied and override.
With this function enabled it is now possible to toggle
between unoccupied & occupied RTU operation modes for
the amount of time set by the
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 controller LCD screen when the input is energized.
Service: a back-lit flashing service alarm will be displayed
on the controller LCD screen when the input is energized.
ToccTime
Temporary occupancy time
Default value = 3 hours Temporary occupancy time with occupied mode setpoints
when override function is enabled
When the Terminal Equipment Controller is in unoccupied
mode, function is enabled with either the menu or DI1 or
DI2 configured as remote override input.
0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 & 12 hours
Cal RS
Room air temperature sensor
calibration
Default value = 0.0 °F or °C Offset that can be added/subtracted to actual displayed
room temperature
± 5.0 °F ( ± 2.5 °C )
Cal OS
Outside air temperature
sensor calibration
Default value = 0.0 °F or °C Offset that can be added/subtracted to actual displayed
outside air temperature
± 5.0 °F ( ± 2.5 °C )