Orion System System Manager TS II In-House - Manual (Page 66)

Zone
Zone
VAV/Zone Controllers
SMTS II Technical Guide 66
Temperature Setpoints
Touch the
< Temperatures>
button to access the
Temperature Setpoint Screens.
Occupied Cooling Setpoint
This is the Cooling Mode Space Temperature maintained during Oc-
cupied hours Override periods. Enter the Occupied Cooling Setpoint
as the maximum temperature you would like the zone to reach before
modulating the damper open to bring in more cold air to cool the space.
High limit = 90ºF; Low limit = 50ºF
Occupied Heating Setpoint
This is the Heating Mode Space Temperature maintained during Oc-
cupied hours or Override periods. Enter the Occupied Heating Setpoint
as the minimum temperature you would like the zone to reach before
activating the Reheat Stages on the optional Expansion Relay board. If
this is a Cooling Only box that doesn’t contain reheat, this setpoint will
be ignored. High limit = 90ºF; Low limit = 50ºF
Unoccupied Cooling Offset
During Unoccupied hours, the Cooling Setpoint is adjusted up by this
amount. High limit = 30ºF; Low limit = 0ºF
Unoccupied Heating Offset
During Unoccupied hours, the Heating Setpoint is adjusted down by
this amount. High limit = 0ºF; Low limit = -30ºF
Maximum Sensor Slide Adjust
If the Optional Slide Offset is available on the wall sensor, this is the
maximum amount that the Heat/Cool Setpoints can be adjusted up or
down as the slide is moved from the center position to its full up or down
position. High limit = 5ºF; Low limit = 0ºF
Temps
VAV/Zone Temperature Setpoints
Figure 128: VAV/Zone Temperature Setpoints
Screen 1
Figure 129: VAV/Zone Temperature Setpoints
Screen 2
EMS Setpoint Offset
If the Energy Management Mode (EMS) is activated, the heat and cool
setpoints can be spread apart by this amount. High limit = 10ºF; Low
limit = 0ºF
AHU Heating Call Setpoint
If the Space Temperature drops below this setpoint by 0.5 degrees, a call
for heat to the HVAC unit is broadcast from the VAV/Zone box. This only
occurs in the Unoccupied Mode. High limit = 90ºF; Low limit = 50ºF
SAT HVAC Mode Deadband
If the Supply Air Temperature is above the Space Temperature by this
amount, the VAV/Zone controller enters the Supply Air Heating Mode.
It will remain in the Supply Air Heating Mode until the supply air drops
to 2º above the space temperature. At that point the unit enters the Sup-
ply Air Vent Mode and remains there until the Supply Air drops this
deadband below the Space Temperature. At that point the VAV/Zone
Controller enters the Supply Air Cooling Mode and will remain there
until the Supply Air Temperature rises to 2º below the Space Tempera-
ture. High limit = 20ºF; Low limit = 2ºF
Auxiliary Heat Setpoint
This setpoint is generally used for Baseboard Heat or a heating source
that is separate from Box Heat. If the Space Temperature drops below
this setpoint by 0.5 degrees, the Aux Heat Relay activates. The Aux Heat
Setpoint de-activates at 0.5 degrees above this setpoint. High limit =
90ºF; Low limit = 50ºF