residential Digital Thermostat THERMOSTAT T2300FS 7-Day PROGRAMMABLE up to 2-heat & 2-cool HEAT COOL Control up to 2 Heat & 2 Cool Stages 7-Day Programmable 4 Settings/Day Auto Changeover 5 minute Built-In Compressor Protection Self-Prompting Programming with Copy Command Display Either F or C HEAT PUMP Mounts Flush with the Wall Back-Lit display One For All Works with Virtually All Equipment Non-Volatile memory Holiday/Vacation Programming Keypad lockout Dual setpoint with Adjustable Deadband ‘O’
Table Of Contents FRONT PANEL DISPLAY QUICK START Set the clock and go SELECTING THE HEAT OR COOL MODE BASIC OPERATION PROGRAMMING Occupied / Unoccupied OVERRIDING THE DAILY SCHEDULE ADVANCED SETUP ABOUT ADVANCED FEATURES & OPERATION WARRANTY CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING THE NEW THERMOSTAT. Venstar Inc.
Front Panel Liquid Crystal Display with Thermoglow Up/Down Buttons Mode Button Override Button Heat or Cool Indicator Red = Heat, Green = Cool Temperature Sensor Page 2
Display I2:00 Am Start Pm Stop SuMoTuWeThFrSa Setup unoccupied 123 88 COOL Locked Override AUTO ONOFF Program On Service Filter Fan On 88 88 HEAT Mode Indicators - Page 7 Selects the operational mode of the equipment. HEAT - Indicates the heating mode. COOL - Indicates the air conditioning mode. AUTO - Indicates the system will automatically changeover between heat and cool modes as the temperature varies. PROGRAM ON - Indicates the time period program is enabled to run.
Display I2:00 Am Start Pm Stop 88 SuMoTuWeThFrSa Setup unoccupied 123 COOL Locked Override AUTO ONOFF Program On Service Filter Fan On 88 88 HEAT Override icon - Page 14 Indicates the program is currently being overridden for up to four hours. Occupied & Unoccupied icons - Pages 9-12 Indicates the program number: Occupied 1,2,3 or Unoccupied. Setup icon - Pages 15-19 Indicates the thermostat is in the advanced setup mode. Fan On icon - Page 15 Indicates constant, continuous fan operation.
Display I2:00 Am Start Pm Stop 88 SuMoTuWeThFrSa Setup unoccupied 123 COOL Locked Override AUTO ONOFF Program On Service Filter Fan On 88 88 HEAT Service Filter icon - Page 17 Appears when the filter should be serviced under normal conditions. Adjustable from 0 - 1950 hours or blower operation. Locked icon - Page 25 Indicates keypad has been locked. Start & Stop icons - Pages 10-11 Appear when programming occupied time periods.
Quick Start Set the Clock and Go MODE OVERRIDE During Setup & Programming: Press the MODE and OVERRIDE buttons at the same time for two seconds to enter Setup screens. Pressing the UP or DOWN butt ons will modify th e flashing selection. Setting the Clock I2:00 Am Setup Tip: To change hours quickly, press and hold the OVERRIDE button and press the UP or DOWN buttons. To adjust the Clock or Day use Setting the Day Press MODE Mo Setup buttons.
Selecting the Heat or Cool Mode Select Mode by Pressing the MODE Button I2:00 Heating Only The HEAT setting indicates the temperature the room has to reach before the furnace will turn on to heat the room. 70 70 70 70 70 I2:00 Cooling Only The COOL setting indicates the temperature the room has to reach before the air conditioner will turn on to cool the room.
Basic Operation Selecting Your Desired Temperature (adjusting the setpoints) AUTO OR PROGRAM MODE Pressing the UP or DOWN buttons in Auto or Program mode will adjust both the heat and cool set temperatures simultaneously. Adjust the desired set temperature with the Pm I2:00 70 Mo 76 COOL AUTO 68 HEAT buttons. HEAT OR COOL MODE Pressing the UP or DOWN buttons in Heat or Cool mode will adjust only the heat or cool set temperature.
Programming MODE Occupied & Unoccupied Periods Press the MODE button. While holding MODE, press the UP button for two seconds to enter time period programming. Use the Programming Worksheet on the back cover to help with this section. Select the maximum # of occupied periods to be used on any one day. Typically, most installations use only Occupied 1. (1,2 or 3) Occupied 1 Press 74 Adjust the cooling setpoint for Occupied 1.
Programming Occupied & Unoccupied Periods 85 Adjust the heating setpoint for Unoccupied periods. (OF, 35 - 99 ) COOL unoccupied 55 HEAT Press MODE Mo Occupied 1 Select the day for Occupied 1. (Mo - Su) Press MODE 7:00 Am Start Mo Occupied 1 Adjust the start time for Occupied 1. Press MODE 6:00 Pm Stop Mo Occupied 1 Adjust the stop time for Occupied 1. Press MODE On Select Occupied 1 to run on this day (On), or not to run on this day (Off).
Programming Occupied & Unoccupied Periods The copy command becomes available after the maximum # of occupied periods are programmed in a day. This example uses only one occupied period. Yes Tu Select Yes to copy the previous day’s program to the day displayed. No If Yes is selected: Press MODE If No is selected: Selecting Yes, then pressing MODE will copy the previous day’s program. If yes is selected again, or each time, this routine will repeat. Select the day for Occupied 1.
Programming Occupied & Unoccupied Periods On Select Occupied 1 to run on this day (On), or not to run on this day (Off). Tu Occupied 1 ON Press Off MODE Yes Select Yes to copy the previous day’s program to the day displayed. No We If Yes is selected: Press MODE Selecting Yes, then pressing MODE will copy the previous day’s program and then will ask the same copy question again. If yes is selected each time, this routine will repeat until Saturday is copied to Sunday.
Programming Occupied & Unoccupied Periods PROGRAMMING TIPS If only the Occupied 1 period is selected in the first programming step (page 9), Occupied 2 & 3 programming steps are skipped. Furthermore, if Occupied 2 is selected, Occupied 3 programming steps are skipped. Heat & Cool setpoints for Occupied 1 are the same for every day of the week. If desired, Heat & Cool setpoints for Occupied 2 & 3 can be adjusted differently for each day of the week.
Overriding the Daily Schedule The OVERRIDE button may be used to interrupt the normal time schedule programming of the thermostat. Override may only be used when the thermostat is running the time schedule, in Program On mode. Unoccupied Operation - During programmed, unoccupied periods, pressing the OVERRIDE button will temporarily force the thermostat into Occupied 1 comfort settings for 30 minutes. The remaining Override time will alternate with the clock (refer to the second display below).
Advanced Setup Press the MODE and OVERRIDE buttons at the same time for 10 seconds to enter Advanced Setup screens. MODE OVERRIDE I2:00 NOTE: Each step # is located at the top right corner of the display for easy reference. Am Setup I Adjust the time of day clock. Tip: To change hours quickly, press and hold the FAN button in and press the UP or DOWN buttons. Press MODE Mo Setup 2 Select the day of the week.
Advanced Setup b Select the reversing valve polarity for Heat Pump operation: O = Energize in cooling b = Energize in heating O (Step 5 only appears if heat pump is on in step 4) On Select Electric Heat operation: On = 1st stage electric heat Off = 1st stage gas heat Off (Step 6 only appears if heat pump is off in step 4) 0 Eh 2 2 6 Setup Setup Setup Adjust the deadband for the 1st stage. (1 - 6 ) Adjust the minimum difference between cooling & heating setpoints.
Advanced Setup 0:00 Setup I0 Adjust the preoccupancy fan purge timer: 0 - 3 hours, 0:00 = off Press MODE On Off Setup Select backlight operation: ON - Light continuously OFF - Light for 8 seconds after a button press Ii ON Press MODE 0 Setup Press OVERRIDE I2 Reset the counter to 0 to remove the Service Filter icon from the display. Press Service Filter 0 Adjust the number of hours, in increments of 50, the fan will run before the Service Filter icon appears on the display: 0 = off.
Advanced Setup F C Setup Select thermostat operation in degrees Fahrenheit or Celsius. F Yes Optional Remote Sensor: YES = Control to Remote Room Sensor NO = Read Only Outdoor or Duct Sensor No Setup I5 Press I6 Press To view Outdoor or Duct sensors press and hold the MODE button. Select the security level: 0=No security in effect 1=Setpoint range limited 2=1+ program on all times 3=2 + prohibits setpoint changes Adjust the maximum allowable heat setpoint when security is in effect.
Advanced Setup Adjust the minimum allowable cool setpoint when security is in effect. (Step 19 only appears if step 17 is not 0). (35 - 99 ) lo 65 Setup i9 COOL Locked Press MODE OVERRIDE Press the MODE and OVERRIDE buttons at the same time for two seconds to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds.
About Advanced Features & Operation CALIBRATION - Under normal circumstances it will not be necessary to adjust the calibration of the temperature. If calibration is required, please contact a trained HVAC technician to correctly perform the following procedure. MODE MODE Place the thermostat in the OFF mode. I2:00 o Press the MODE button once. The thermostat temperature will be displayed and may be calibrated using the UP or DOWN buttons.
About Advanced Features & Operation Cooling Heating 2nd Stage turn on Deadband Deadband Deadband Deadband db 2 (non-adj. 2 ) db 1 (adj. 1-6 ) db 1 (adj. 1-6 ) db 2 (non-adj. 2 ) 1st Stage turn on DECREASE Heat Setpoint Cool Setpoint TEMPERATURE 1st Stage turn on 2nd Stage turn on INCREASE The above figure assumes the minimum on time for the prior stage has been met to allow the next stage to turn on, once the deadbands have been exceeded.
About Advanced Features & Operation EMERGENCY HEAT - Only available if you have a Heat Pump installed. To initiate the Emergency Heat feature, press the OVERRIDE button. While holding the OVERRIDE button press the UP button. The Cool setpoint display will read ‘EH’ (emergency heat). I2:00 eh 73 Pm Mo Press for Emergency Heat OVERRIDE 74 HEAT Operation - During Emergency Heat operation the thermostat will turn on the fan and the 2nd stage of heat when there is a demand for heat.
About Advanced Features & Operation FACTORY DEFAULTS - If, for any reason, you desire to return all the stored settings back to the factory default settings, follow the instructions below. WARNING: This will reset all Time Period and Advanced Programming to the default settings. Any information entered prior to this reset will be permanently lost. I2:00 Mo MODE Place the therm- ostat in the OFF mode. Press and hold the MODE button.
About Advanced Features & Operation HOLIDAY MODE - When the thermostat is programmed for Holiday mode, it will take effect at 12:00 am of the next day. In order for the Holiday mode to take effect, the thermostat must be in the Program On mode. The thermostat will control to the Unoccupied cooling and heating setpoints (see pages 9 & 10). Holiday setpoints will be enforced for the number of days specified in the Holiday setup step below (0 - 99 days).
About Advanced Features & Operation KEYPAD LOCKOUT - To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press and hold the MODE button. While holding the MODE button, press the UP and DOWN buttons together. The LOCKED icon will appear on the display, then release the buttons.
About Advanced Features & Operation REMOTE SENSORS (Optional Accessory) - The thermostat is programmed from the factory to automatically recognize when a Remote Sensor is connected (step #16, page 18). When the thermostat is OVER RIDE programmed to read the temperature from the remote sensor, the degree icon above the room temperature will blink once a second. The Remote Sensor measures indoor air temperature and sends this information to the thermostat; it measures temperature with a range of 32 to 99 F.
Warranty One-Year Warranty - This Product is warranted to be free from defects in material and workmanship.
Programming Worksheet see Page 9 DAY PERIOD START TIME COOL HEAT Unoccupied M O N D A Y T U E S D A Y W E D N E S D A Y T H U R S D A Y F R I D A Y S A T U R D A Y S U N D A Y Occupied 1 Occupied 2 Occupied 3 Unoccupied Copy Mon Tue Occupied 1 No Occupied 2 Yes Occupied 3 Unoccupied Copy Tue Wed Occupied 1 No Occupied 2 Yes Occupied 3 Unoccupied Copy Wed Thu Occupied 1 No Occupied 2 Yes Occupied 3 Unoccupied Copy Thu Fri Occupied 1 No Occupied 2 Yes Occupied 3 Unoccupied Co
