Unoccupied Cooling Control
During unoccupied mode and a call for cooling, the damper will modulate open to Max Air Flow setpoint (
configurable), maintaining the Unoccupied Cooling Setpoint (80°F).
Unoccupied Heating Control
During unoccupied mode and a call for heating, the damper will modulate closed to Min Air Flow setpoint (configurable), maintaining the Unoccupied Heating Setpoint (65°F).
Sequence of Operation
Room Temperature
When using TZone sensors, up to three can be configured. The controller can be configured to control the average of all three TZone sensors, a maximum
heating call, a maximum cooling, or individual outputs can be controlled by each TZone sensor, such as separate baseboard heat for particular spaces.
An ACI [A/AN-R2SO-RJ6-16-C5] wired sensor slider (0-5K = 65°F -85°F) with push-button override can be used by selecting AI-1 for Room Temp [MSV-17] and
AI-2 for Room Temp Setpoint [MSV-18] in Onyxx LX UI setup.
A Trane Wired Sensor [BAYSENS074A] 1K room Dial setpoint (50°F -85°F) with push-button override / cancel and can be used by selecting AI-1(Trane) for Room
Temp [MSV-17] and AI-2 (Trane) for Room Temp Setpoint [MSV-18] in SLC setup. This is to used with a Trane Tracer SC system writing Occupancy [BV-3] at present
value. Timed Override Status can be read from [MSV-72] for Trane sequence of operation.
Occupied Cooling Control
Max Air Flow
setpoint (configurable), maintaining the
Occupied Cooling Setpoint
(74°F)
.
During occupied mode and a call for cooling, the damper will modulate open to
Occupied Heating Control
During occupied mode and a call for heating, the damper will modulate closed to Min Air Flow setpoint (configurable), maintaining the
Occu
pied Heating Setpoint
(72°F).
Outputs can be configured for additional heat, such as Hot Water, Staged Electric, Baseboard, or Modulating Electric Heat (SCR). As the room temperature drops below the
heating setpoint, outputs are cycled on and off to maintain the Heating Setpoint.
When the Downstream T° sensor is configured, the outputs will cycle to maintain a discharge air setpoint of the High Limit Heating (default 95°F) setpoint until the space
temperature is satisfied.
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