Viconics VT7600W Installation Manual - Manual (Page 30)

30 | PIR Ready VT76xxW 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.
Re valve
Reversing valve operation
O/B
Default value = O Heat pump reversing valve operation
O will energize the valve in cooling operation.
B will energize the valve in heating operation
O OR B