Viconics VT7600 Installation Guide (Current Release 5000 Series PIR Ready) - Manual (Page 32)

32 | PIR Ready VT7600 Series-Installation Guide
aux cont
Auxiliary contact
configuration
Default value = N.O.
normally open This contact can be used to energize peripheral devices such
as: lighting equipment, exhaust fans, economizers, etc.
This contact will operate in parallel with the internal
occupied/unoccupied schedule of the Terminal Equipment
Controller or the remote NSB contact if DI1 or DI2 is used.
When the system is in OFF mode, the contact will remain in its
unoccupied status independently of the occupied / unoccupied
schedule.
Configured
Contact
occupied status
Contact
unoccupied status
N.O. Closed Opened
N.C. opened Closed
Prog rec
Progressive recovery
enabled
Default value = Off
Progressive recovery is
automatically disabled if
DI 1 and / or DI 2 are
configured remote NSB Off, = no progressive recovery
The occupied schedule time is the time at which the system will
restart.
On, = progressive recovery active.
The occupied schedule time is the time at which the desired
occupied temperature will be attained. The Terminal Equipment
Controller will automatically optimize the equipment start time.
In any case, the latest a system will restart is 10 minutes prior
to the occupied period time.
Heat Pump models only
High bp
High balance point
Default value = 90 °F (
32.0 °C )
Function will only be
enabled if OS (outside air
temperature sensor) is
connected. In Heating or Auto mode, it is the outside air temperature value
at which the auxiliary heat will be cut off. Above that value, only
the heat pump will be used to maintain the heating setpoint
34 to 90 °F ( 1.0 to 32.0 °C )
Low bp
Low balance point
Default value = -12 °F ( -
24 °C )
Function will only be
enabled if OS (outside air
temperature sensor) is
connected. In Heating, Cooling or Auto mode, it is the outside air
temperature value at which the heat pump operation will be cut
off. Below that value, only the auxiliary heat will be used to
maintain the heating setpoint
-40 to 30 °F ( -40 to -1.0 °C )