Lux PSPU721T - Manual

GLOSSARY OF TERMS 6 LUXPRO ® PSPU721T CYCLE RATE - Cycle rate is the frequency that heating or cooling equipment is turned on during a certain period of time. Cycle rate is often given in units of cycles per hour (CPH). DIFFERENTIAL - Differential is defined as the difference between the cut-in and ...

Install your LUXPRO ® thermostat approximately 5 feet (1.5 meters) above the floor in an area with good air circulation. Avoid the following locations: • Hot or cold air from ducts • Radiant heat for appliances or sun such as a skylight • Unheated or uncooled areas: for example an outside wall behin...

MOUNTING THE THERMOSTAT TO THE WALL 8 LUXPRO ® PSPU721T 1. Make sure to turn off the power supply located at the electrical service panel.All heating and cooling units should be OFF. 2. Separate the backplate from the thermostat by grasping the unit firmly at the bottom lip andpulling gently until t...

TERMINAL EQUIPMENT STANDARD COLOR Y1 First Heat Pump and AC Yellow G Fan Green W2 First Stage Furnace White OBW Reverse Valve - Second Stage Furnace Orange RH 24v Red Y2 Not Used Unknown C Common Blue H Not Used Unknown DH Not Used Unknown RC 24v Unknown 11 and 12 Not Used NOTE: The above colors are...

WIRING DIAGRAMS 10 LUXPRO ® PSPU721T I2 1 AIR CONDITIONER 24V FANAC I1 RC DH H C Y2 RH OBW W2 G Y1 COMMON

HEAT 2HEAT 1 I2 1 AIR CONDITIONER AND 2 STAGE HEAT 24V FANAC I1 RC DH H C Y2 RH OBW W2 G Y1 COMMON HEAT I2 1 AIR CONDITIONER AND 1 STAGE HEAT 24V FANAC I1 RC DH H C Y2 RH OBW W2 G Y1 COMMON WIRING DIAGRAMS 11 INSTRUCTION MANUAL

HEAT REVERSE VALVES I2 1 HEAT PUMP AND 1 STAGE HEAT 24V FANHP I1 RC DH H C Y2 RH OBW W2 G Y1 COMMON WIRING DIAGRAMS 12 LUXPRO ® PSPU721T REVERSE VALVES I2 1 HEAT PUMP 24V FANHP I1 RC DH H C Y2 RH OBW W2 G Y1 COMMON

WIRING DIAGRAMS 13 INSTRUCTION MANUAL HEAT TRANSFORMER COOL TRANSFORMER I2 2 TRANSFORMERS I1 RC DH H C Y2 CUT RH OBW W2 G Y1 I2 1 TRANSFORMER I1 RC DH H C Y2 RH OBW W2 G Y1 HEAT TRANSFORMER

Current RoomTemperature Current OutdoorTemperature Current Thermostat OperationMode Current Temperature Control Mode Current Fan Operation Mode Fan Operation Indicator Vacation Mode Indicator Security Indicator Heat setpoint Cool setpoint Date Time HOME SCREEN 14 LUXPRO ® PSPU721T >> To return...

Change the Temperature Setpoint(s) using - and + buttons. In AUTO MODE toggle the Heat/Cool button (Heat or Cool will flashonce selected), then raise or lower setpoints as desired. Select the Thermostat Operation Mode by toggling thermostat operationmode button. Select the Temperature Control Mode b...

THERMOSTAT OPERATION MODES 16 LUXPRO ® PSPU721T >> LUXPRO ® thermostat can operate in PROGRAM MODE or can HOLD a fixed temperature. RUN PROGRAM : the thermostat initiates the 7-day Programmable Temperature Control Program with 4 independent events per day. To set up a custom tem-perature contr...

>> Based on your HVAC equipment LUXPRO ® thermostat can operate in the following temper- ature control modes - AUTO or HEAT or EMERGENCY HEAT or COOL or OFF AUTO - the thermostat keeps the room temperature between the selected HEAT and COOL setpoints by using both the cooling and heating HVAC ...

FAN OPERATION MODES >> LUXPRO ® thermostat can operate the fan in one of the following three modes: FAN AUTO : The fan runs only when there is a demand for heating or cool- ing. FAN ON : The fan runs continuously FAN INTERMITTENT : The fan runs 10 minutes per 1/2 hour providing a convenient wa...

MENU SCREEN >> To access the MENU SCREEN, simply touch MENU from the CONTROL SCREEN. >> From the MENU page, you can: Access DATE AND TIME SETTINGS to enter the accurate date and time Access PROGRAM SETTINGS to pre-program temperature changes during each day of the week. Access ENERGY WAT...

PROGRAM SETTINGS PROGRAM SETTINGS feature allows you to easily and quickly program daily temperature changes to fit your lifestyle and reduce energy con-sumption. You can customize the program for each day of the week with4 independent temperature and fan operation settings per day. To setupyour pro...

SET SCREEN OPTIONS • BACKLIGHT: Select between automatic and permanent backlight for the screen. AUTO: The screen back-light will come on only when you touch the screen. ON: Screen will constantly be back-lit. • REVERSE : Select the positive or negative screen display. ON: Negative Display (Dark Bac...

VACATION MODE >> VACATION SETTINGS allows you to set the temperature to a fixed setpoint during the time you are on vacation, providing energy savings without compromising comfort upon your return. IMPORTANT: HEAT or COOL must be selected from the CONTROL SCREEN before entering theVacation Set...

• DAYLIGHT TIME : Choose Daylight Time ON or OFF dependent on your Time Zone. FILTER: Enter the air filter "fan run time" infor- mation here. The Filter Monitor feature uses thisinformation to inform you when to change yourair filter by displaying CHANGE FILTER icon on theHOME SCREEN. ENERGY...

ADVANCED SETTINGS - SYSTEM CONFIGURATION ! IMPORTANT: By inadvertently modifying system configuration settings, you may seriously degrade HVAC system performance. >> Choose system heating and cooling equipment - remember all you need to do is toggle the appropriate button until the correct set...

ADVANCED SETTINGS - DUAL FUEL SWITCH ! IMPORTANT: This feature can only be activated when used with the LUXPRO ® Outdoor Wireless Temperature Transmitter and Receiver. Please install the LUXPRO ® Outdoor Wireless Temperature Transmitter and Receiver before activating this feature. Increasing energy ...

ADVANCED SETTINGS - DIFFERENTIAL SETTINGS >> LUXPRO ® PSPU721T allows you to control up to 2 Stages of Heating and 1 Stage of Cooling, dependent on the type of system you have configured. • 1ST STAGE DIFFERENTIAL : Set temperature difference between temperature set point and actual temperature...

ADVANCED SETTINGS - TIMER FEATURE • Specify the number of minutes for which Stage 1 will function until Stage 2 is activated to helpraise (or cool) temperature (if the temperature set point is not reached). This unique functionavoids excess compressor wear in the case where the necessary temperature...

ADVANCED SETTINGS - HEAT PUMP • HP ON when Furnace On: Heat Pump and Furnace can operate together when 2nd stage fur- nace is required. HP “OFF” when Furnace On: turns off the Heat Pump when the furnace is On(required on some gas or oil furnaces). 34 LUXPRO ® PSPU721T

ADVANCED SETTINGS - CALIBRATION >> Calibration of Temperature Your LUXPRO ® thermostat is rated for a temperature accuracy of ±1°F (±0.5°C) If you have determined due to drafts, sunlight or other environmental factors that your thermostatrequires calibration, follow this easy guide. Common cau...

ADVANCED SETTINGS - CALIBRATION >> Temperature Calibration Table • Determine the temperature difference using an accurate thermometer and use the following tableto calibrate your thermostat. The thermostat temperature reading can be calibrated by ±19°F (±9.5°C). INSTRUCTION MANUAL 37 Calibrati...

SIMPLE THERMOSTAT MODE >> LUXPRO ® thermostat can also function as a virtual non-programmable thermostat after it has been switched to a “SIMPLE MODE”. >> To enable “SIMPLE MODE”, press the reset button (take off the thermostat faceplate and press the reset button located in the bottom r...

TROUBLESHOOTING ? Touch screen buttons do not function properly . Remove cover, press the reset button located in the bottom left corner then accurately touch 3 target centers on the screen when prompted. ? Air conditioning turns on in HEAT mode and heating turns on in COOL mode. Reverse the OB valv...

IMPORTANT NOTICE >> WHEN USING THIS THERMOSTAT WITH A GAS FURNACE A COMMON WIRE (C) MUST BE CONNECTED. When working without a common wire: >> A confirm in HEAT MODE the cooling does not switch on or B confirm in COOL MODE the heat does not switch on. >> If test A or B fail or the t...

WARRANTY HARDWARE LUX Products Corporation warrants the original end user (“Customer”) that new LUXPRO ® branded products will be free from defects in workmanship and materials, under normal use, for three (3) years from theoriginal purchase date. SOFTWARE LUX Products Corporation warrants to Custom...