31VCCX2 Controller Technical Guide
SEQUENCE OF OPERATIONS
Conguration Options
Remote Forced Occupied Signal
This forced occupied input can be used in place of, or in conjunction
with, the internal VCCX2 schedule. When this wet contact input
closes, it will force the VCCX2 Controller into Occupied Mode.
When the remote forced occupied signal is removed, the controller
will revert to the Unoccupied Mode of operation, or if an internal
VCCX2 schedule is also being used, it will revert to the current
scheduled mode.
Setting the internal week schedule to “0” will cause the controller
to only look for the remote forced occupied signal for occupied/
unoccupied commands.
Internal Week Schedule
An internal week schedule, which supports up to two start/stop
events per day and allows scheduling of up to 14 holiday periods
per year is available for determining occupied and unoccupied
schedules. It also allows for daylight saving conguration.
Broadcast Schedule
Eight external broadcast schedules are available with the use of the
GPC-XP Controller.
Unoccupied Operation
Uses Unoccupied Setback Oset Setpoints for Heating and Cooling
calls. If Unoccupied Setback Setpoints are left at the default 30°F,
no Unoccupied Setback operation occurs, and the unit will be o.
The outdoor air damper will be closed except if the unit is in
Unoccupied Economizer Free Cooling Mode.
If there is no call for Heating or Cooling, the unit will be o.
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