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The occupant has access to an up/down adjustment from the home screen. This adjustment applies a fixed offset
(+/-) to the currently active setpoint, and this offset holds until the occupancy state of the controller changes. If the
user taps the setpoint on the home screen, the icon inverts and displays white text on a black icon. The offset is
held throughout all occupancy periods. For example, if the TEC is cooling in Occupied mode to an occupied cooling
setpoint of 72 and you raise the setpoint 2 degrees to 74 from the home screen and then select hold, then the +2
degree offset persists through an occupancy change. If the occupancy then changes to unoccupied, with a setpoint
of 80 degrees, the effective setpoint is 82 degrees. This allows the occupant to have a small amount of control over
raising or lowering the temperature, but the building owner can still set back setpoints during standby and
unoccupied periods. When the setpoint is in Hold mode, pressing the icon again releases the hold and immediately
sets the setpoint offset back to 0.
When the TEC is in Min/Max mode (Setpoints/Occ Setpoint Select are equal to Min and Max Setpoint), the TEC
rejects any attempts to change the present value outside of the valid range. If the present value is outside of the
valid range (for example, if the Occ Setpoint Select is switched from Setpoint Offset to Min and Max Setpoint), the
present value is reset to be in the center of the valid range.
The four modes of setpoint operation are described in Figure 6.
Table 6: Setpoint Operation
Mode of Setpoint
Operation
Occ Setpoint Select =
Setpoint Offset and
Heat Cool Setpoint Mode =
Individual Setpoints
Occ Setpoint Select = Min
and Max Setpoints and
Heat Cool Setpoint Mode =
Individual Setpoints
Occ Setpoint Select =
Setpoint Offset and
Heat Cool Setpoint Mode =
Common Setpoint
Occ Setpoint Select = Min
and Max Setpoints and
Heat Cool Setpoint Mode =
Common Setpoint
Configuring Occupancy
To adapt to nearly any application, the TEC3000 controller supports a wide variety of occupancy sources, such as:
•
Local stand-alone weekly scheduler
•
External schedule from the BAS
•
Occupancy sensor (internal or remote)
•
Occupancy binary input (configurable)
•
Manual occupancy override
•
Temporary occupancy (by interacting with the screen while unoccupied)
•
Temporary occupancy binary input
TEC3000 Series Wireless Single- or Two-Stage Economizer Thermostat Controllers Installation Instructions
Details
This is the default mode and the original mode of operation that the TEC was released with
(the next three modes are new). In this mode, the TEC has a heating setpoint and a cooling
setpoint. There is a common Setpoint Offset (warmer/cooler adjust) that is applied to each
setpoint simultaneously. The range of setpoint adjustment is two-fold:
•
There are large constant ranges bounding the individual heating and cooling setpoints.
•
There is also a smaller configurable range limit set to the Setpoint Offset point (Control
Setup > General > Max Setpoint Offset).
In this mode, the TEC has a heating setpoint and a cooling setpoint. Each setpoint has a
configurable range (Setpoints > Min Cooling Setpoint, Max Cooling Setpoint, Min
Heating Setpoint, and Max Heating Setpoint). The configurable range values are bounded
by the larger constant bounds used in Setpoint Offset mode and are constrained in the
following manner: Min must be below Max and Heating must be below Cooling, so in order
from least to greatest, the values are: Min Heating Setpoint, Max Heating Setpoint, Min
Cooling Setpoint, and Max Cooling Setpoint.
In this mode, the TEC has one setpoint, Common Setpoint, for heating and cooling. There is
also a common Setpoint Offset (warmer/cooler adjust) that is only applied to Common
Setpoint. Otherwise, this setting works the same as when Occ Setpoint Select = Setpoint
Offset and Heat Cool Setpoint Mode = Individual Setpoints.
In this mode, the TEC has one setpoint, Common Setpoint, for heating and cooling. There is
a configurable range for Common Setpoint, Min Setpoint, and Max Setpoint.
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