Coolerado C60A, Installation Manual

Page: 30 / 53

Coolerado Installation
Page
30
of 53
Appendix 6: Thermostat Operation (TEC2145-4)
Note: Heat Option does not work do to use of variable speed fan
Thermostat Operation Overview with Recommended Programming for the TEC2145-4 Thermostat
Front Cover of Thermostat
NOTE : This thermostat will start the fan at the cool call set point temperature and ramp up to full speed with a 1
O
F room
temperature rise.
Thermostat User Interface Keys
The TEC2145-4 Thermostat user interface consists of five (5) keys on the front cover. The function of each key is as follows:

MODE key toggles among the system modes OFF and Cool.

FAN key toggles among ON and AUTO for fan control. This should be left on AUTO.

OVERRIDE key has been deactivated with Coolerado settings . See the Configuring the TEC2145-4 Thermostat section in
the Johnson Control manual for reprogramming.

UP/DOWN arrow keys adjust the configuration parameters and activate a set point adjustment.
Backlit LCD
The TEC2145-4 Thermostat includes a 2-line, 8-character backlit display. Low-level backlighting is present during normal operation
and it brightens when any user interface key is pressed. The backlight returns to low level when the thermostat is left unattended
for 45 seconds.
LEDs
Three (3) LEDs are included to indicate the fan status, call for heat, or call for cooling:

The FAN LED is deactivated.

The HEAT LED is on deactivated.

The COOL LED is on when cooling is on.
Status Display Menu
The Status Display Menu is displayed during normal thermostat operation. This menu continuously scrolls through the following
Coolerado set parameters:

Room Temperature

System Mode