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Viconics VT7600 Installation Guide (First Release 1000 Series) User Manual

Page 18

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18

2/4event

Number of events configuration


Default value = 2 event

2 events

, will set up programming for the following

Event 1 is for Occupied setpoints
Event 2 is for Unoccupied setpoints
4 events

, will set up programming for the following

Event 1 is for Occupied setpoints
Event 2 is for Unoccupied setpoints
Event 3 is for Occupied setpoints
Event 4 is for Unoccupied setpoints

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 thermostat 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 programmed occupied schedule time is the
time at which the system will restart.

On

, = progressive recovery active.

The programmed occupied schedule time is the
time at which the desired occupied temperature will
be attained. The thermostat 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 )