required. Heating and cooling set temperatures may not be adjusted until heating or cooling is necessary, or one of these modes is manually selected by pressing and releasing both arrow keys at the same time.

●You can force heating or cooling to be the active mode by pressing and releasing both arrow keys at the same time until the desired mode is indicated. After, the unit will then switch modes as necessary to control tempera- ture.

4.1.4.4 HEATING

●Press the MODE button repeatedly until the word HEAT is shown along the top of the display. The unit is in HEAT mode ready to control your heating system.

●Press temperature UP or DOWN keys until your desired temperature is displayed in the HEAT SET area of the display.

●While heating is active, a flame icon will flash above the HEAT SET temperature. If a second stage of heat is called for the flashing rate increases.

4.1.4.5 COOLING

●Press the MODE button repeatedly until the word COOL is shown along the top of the display. The unit is in Cool mode ready to control your air conditioner.

●Press temperature UP or DOWN keys until your desired temperature is displayed in the COOL SET area of the display.

●While cooling is active, a snowflake icon will flash above the COOL SET temperature. If a second stage of heat is called for the flashing rate increases.

4.1.4.6 OFF

●Press the MODE button repeatedly until the display indicates that the unit is in OFF.

●Heating and cooling will be disabled.

●Periods programmed to maintain a minimum fan run time will continue do so.

4.1.5 DISPLAY ILLUMINATION

●Press the light bulb button to illuminate the display. Pressing other buttons will keep the display illuminated until no button has been pressed for approximately 20 seconds.

4.2. USER SETUP MENU

User selectable options are available from the User Setup Menu. To access the User Setup Menu press the Setup button. All settings, their choices and default values are given in the USER SETUP MENU:.

4.2.1 ACCESS AND NAVIGATE USER SETUP MENU

●To scroll through the User Setup Menu one item at a time, momentarily press Setup Button.

●Selections can be changed by pressing the UP/DOWN button.

●Moving from one menu item to the next and accept- ance of changes is done by pressing the NEXT button.

●All changes become effective when the unit exits the User Setup mode.

●The User Setup mode will be exited when the Setup

button is pressed again, or if no other keys are pressed for 20 seconds.

4.2.2 KEYBOARD LOCK

Two types of Keyboard locks allow owners/operators to prevent unauthorized changes to the thermostats set- tings. The two types of locks are full and partial. When the thermostat is locked, a three digit code is set. That code must be reentered before locked settings can be changed without performing a software reset off the unit.

Entering a code toggles the selected lock on or off. While a lock is effective, a padlock is shown near the lower right corner of the screen.

4.2.2.1 PARTIAL KEYBOARD LOCK

A partial lock allows other users to adjust only the tem- perature set point to values at or between the Maximum Heat Setting and Minimum Cool Settings.

4.2.2.2 FULL KEYBOARD LOCK

A full lock disables all the keys except the Setup button on the front, and the S/W Reset button on the rear. Pressing the S/W Reset button will rewrite all settings and programs to their default values.

4.2.2.3SETTING THE LOCK 1. Press SETUP.

2. Select Full or Partial.

3. Press NEXT.

4. Set code one digit at a time. Press NEXT after each digit.

5. When NEXT is pressed after the third digit has been entered, the unit will be appropriately locked.

4.2.2.4CLEARING A LOCK

1.Press SETUP.

2.Enter code one digit at a time. Press NEXT after each digit.

3.When NEXT is pressed after the third digit has been entered, the unit will be unlocked if the correct code was entered.

If you have forgotten the code, your thermostat may be unlocked by pressing the Software Reset button on the rear of the unit's circuit board. This will restore the unit to its default settings and it will likely need to be reconfig- ured to control your HVAC system.

4.2.2.5 CHANGING THE LOCK CODE

1.Press SETUP.

2.Select NEW CODE.

3.Press NEXT.

4.Enter old code one digit at a time. Press NEXT after each digit.

5.Enter new code one digit at a time. Press NEXT after each digit.

6.When NEXT is pressed after the new third digit has been entered, the new code will be effective.

4.2.3 BEEP

This option allows the audible feedback tone (Beep) to be enabled or disabled.

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Lux Products PSP722E Display Illumination, User Setup Menu, Partial Keyboard Lock, Full Keyboard Lock, Clearing a Lock
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PSP722E specifications

The Lux Products PSP722E is a cutting-edge programmable thermostat designed to provide homeowners with greater control over their heating and cooling systems. With a sleek design and user-friendly interface, this device offers a perfect blend of functionality and style, making it an attractive addition to any home.

One of the standout features of the PSP722E is its 7-day programmable scheduling capability. This allows users to set different temperature settings for each day of the week, accommodating varying schedules and ensuring that the home is at the perfect temperature when occupants are present. This feature not only enhances comfort but also promotes energy efficiency, as users can set lower temperatures during times when the house is unoccupied.

The thermostat is equipped with an easy-to-read LCD display that provides clear visibility of the current temperature settings and schedule. The intuitive interface allows homeowners to navigate through the various options with ease, making adjustments simple, even for those who may not be tech-savvy. Furthermore, the backlit screen ensures visibility, even in low-light conditions.

Energy savings are further maximized by the built-in energy-saving features. The Smart Recovery technology allows the thermostat to learn the amount of time it takes to reach a desired temperature, adjusting the heating or cooling schedule accordingly. This means that the system will start operating earlier if necessary, ensuring that the home reaches the desired temperature by the scheduled time, without wasted energy.

The Lux Products PSP722E is compatible with a wide range of HVAC systems, including gas, oil, electric, and heat pump units. This versatility makes it a suitable option for various home configurations, allowing it to easily replace most existing thermostats without the need for additional wiring or modifications.

Moreover, the thermostat features a user-friendly interface that includes one-touch buttons, making it easy to adjust the temperature settings on the fly. Users can also toggle between Fahrenheit and Celsius, catering to personal preferences.

In summary, the Lux Products PSP722E programmable thermostat combines advanced scheduling capabilities, energy-efficient technologies, and an intuitive design to enhance comfort and efficiency in any home. Its versatile compatibility with different HVAC systems makes it an ideal choice for homeowners looking to upgrade their heating and cooling controls while promoting energy savings.
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