OWNER’SMANUALOWNER’S MANUAL OPTIONAL HUMIDITY MODULEOPTIONAL HUMIDITY MODULE Accepts theAccepts the COMMERCIALCOMMERCIAL THERMOSTATTHERMOSTAT P/NP/N 33CS4500133CS450 01 AUTO I2:00 Su Pm HEAT COOL 72 74 Carrier Carrier CAUTION Follow the Installation Instructions before proceeding. Set the thermostat mode to “OFF” prior to changing settings in setup or restoring Factory Defaults. CAUTION NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK! THIS MAY DAMAGE YOUR THERMOSTAT. MISC3 OK MISC3

Possible choices are Mo-Fr (Monday through Friday), Sa (Saturday), and Su (Sunday). Press the Mode button when the desired day is shown. 7. The Start Time for Occupied 1 for the chosen day will be displayed. Use the UP ARROW and DOWN ARROW buttons to raise or lower the time until the desired Start Time is shown. Press the Mode button to continue. See Fig. 5. 8. The Stop Time for Occupied 1 for the chosen day will be displayed. Use the UP ARROW and DOWN ARROW buttons to raise or lower the time un

Sepm'ate heating and cooling set points and auto-changeover capability allow occupied and unoccupied programming for energy savings. During power interruption the internal memory stores temperature and mode settings for an unlimited time. Batteries are not required. OPERATION Thermostat Display --The thermostat display is located in the top center of the thermostat. See Fig. 1. The following information can be displayed on the screen: • mode (OFF. HEAT. COOL, EHEAT, or AUTO) • fan setting (ON or

TBNAC/ TBNHPTBNAC/ TBNHP S Close to or in direct airflow from supply registers and return- -- air grilles. S In areas with poor air circulation, such as behind a door or in an alcove. Step 2 — Install Thermostat ! WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death. Before installing thermostat, turn off all power to unit. There may be more than 1 disconnect. 1. Turn OFF all power to unit. 2. If an existing thermostat is being replaced: a. Remo

In the screen, n/a indicates that the remote sensor is not attached. To change the temperature calibration, press Up or Down to select the internal or remote sensor. Once selected, press Plus (+) or Minus (-) to change the temperature calibration to the desired setting. Press Refresh (right blank button) to update the information on this screen. Note: When you change a temperature calibration and exit this screen, it may take a few seconds for the new temperature to be displayed on the Thermosta

Reset Filter Display --The thermostat will display "FILTER" on the LCD when it is time to change or clean the filtel: After cleaning or changing the filter, press the RESET FILTER button to restart the timer and turn off the indicator Auto Changeover Operation --The thermostat will provide automatic changeover from Heating to Cooling mode and Cooling to Heating mode when required. The thermostat will automatically switch to maintain the desired temperature setting. The thermostat does not need t

4. If the mode is set to EHEAT, auxiliary heat turns on for three minutes, then the mode returns to OFF. Terminating Installer Test After 15 minutes of inactivity (no button presses by the installer), thermostat will automatically revert to normal operation. Pressing RESET FILTER any time during installer test will terminate installer test and return the thermostat to normal operation. Step 5 - --Check Thermostat Operation Fan Operation 1. Press FAN button, starting continuous fan operation. FAN

During emergency heat, only OFF and HEAT modes are available. Electric Heat — When the Electric Heat option in the advanced set up is set to ON (configured by installer), the thermostat will turn on the fan immediately any time there is a heat demand. This feature should only be used on electric heating applications. Do not use with gas heat. mode, the thermostat will operate under Unoccupied set points. To configure and activate the Holiday mode, press the Mode and UP ARROW buttons simultaneous

SERVICE FILTER Indicator _ lets you know it is time to clean or replace your system's air Mter. / Room Temperature Display --/ ishows current room temperature. COOL ON Indicat° e---_ is displayed when th / coolingequipment operating. is HEAT ON Indicator /"_/ is displayed when the heating equipment is operating. AUXILIARY HEAT Indicator is displayed when a heat pump system is operating with auxiliary heat air Mter. Fig. 1 --Thermostat Display and Buttons Replacement Components Division Carrier C

If no buttons are pressed for 5 sec, the display will change back to show room temperature. Timeguard Timer A 5- --minute timeguard is built into the thermostat immediately upon power up, and any time the compressor turns off. The compressor will not turn on until the timeguard has expired. The timeguard affects only compressor operation. Pressing UP and FAN buttons simultaneously will override the timeguard for 1 cycle. With PH or PC selected under Option 01, this timer is defeated. Cycle Timer