Install Instructions

TEC3000 Series Networked and Wireless On/Off or Floating Fan Coil and Individual Zone Thermostat Controllers
with Dehumidification Capability Installation Guide
30
4. Press Save and the back arrow to return to the previous screen.
This point is also exposed to the BAS through the point DEHUM-SP.
Temperature setpoints
The thermostat controller provides a flexible setpoint configuration to give power to the building owner while being
easy to use by the occupant. In addition to a simple up/down offset adjustment on the home screen for the
occupant, the TEC features six temperature setpoints. The six temperature setpoints are Cooling and Heating
setpoints for Occupied, Unoccupied, and Standby modes. To set these setpoints, complete the following steps:
1. Press the Menu icon.
2. Press Setpoints.
3. Select the setpoint to adjust and change as desired.
4. Press
Save and the back arrow to return to the previous screen.
Note: The TEC enforces a 2-degree deadband between heating and cooling setpoints. If a setpoint violates this
standard (for example, cooling setpoint is set to 70 with a heating setpoint already set to 70), the opposing setpoint
is modified to comply with this deadband (in the previous example, the heating setpoint would automatically
change to 68).
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.
Table 7 describes the four modes of setpoint operation.
Table 7: Setpoint operation
Mode of setpoint
operation
Details
Occ Setpoint Select =
Setpoint Offset and
Heat Cool Setpoint Mode =
Individual Setpoints
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).
Occ Setpoint Select = Min
and Max Setpoints and
Heat Cool Setpoint Mode =
Individual Setpoints
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.