Mitsubishi PAR-42MAAUB, Trane TAR-42MAAUB Deluxe MA Wired Programmable Remote Controller for Mini Split, Citi-Multi, VRF. Replaces Mitsubishi PAR-40MAAU or PAR-41MAAU

Mitsubishi PAR-40MAAU or Mitsubishi PAR-42MAAUB Deluxe MA Digital Wired Thermostat is a premium controller designed to provide advanced, precise control over compatible Mitsubishi Electric HVAC systems, including mini-splits, CITY MULTI, M-Series, and P-Series units. This sleek, wall-mounted thermostat features a backlit LCD display with both full and dark mode options for clear visibility during day or night. With an intuitive button layout and multilingual user interface, navigating settings is simple and user-friendly. The PAR-42MAAUB supports full 7-day programming with up to eight separate temperature patterns per day, allowing users to automate comfort while optimizing energy efficiency. The Night Setback mode intelligently maintains the desired temperature range by activating heating or cooling only when preset thresholds are exceeded, ensuring consistent room comfort without overuse of energy. An energy-saving auto-return function restores the system to its programmed temperature after manual changes, reducing the chances of accidental overuse. This thermostat also offers Daylight Saving Time support and an accurate internal clock that can display in both 12-hour and 24-hour formats. The PAR-42MAAUB includes maintenance reminders that alert users when filters need cleaning, helping maintain optimal airflow and unit performance. It also allows full fan speed adjustment, airflow direction control, and louver operation depending on the connected indoor unit model. The system provides a restriction settings menu that lets administrators limit access to key functions, restrict temperature ranges, enable auto-return, and lock the unit with a password for added control in commercial or shared spaces. Users can also view detailed energy consumption data for compatible M-Series and P-Series units, including hourly usage over the past 31 days and daily/monthly history for the past 14 months, making it easy to monitor and manage power consumption. The thermostat integrates seamlessly with Mitsubishi’s Lossnay ventilation systems, enabling synchronized control of both climate and fresh air systems. Whether installed in residential, commercial, or light industrial settings, the Mitsubishi PAR-42MAAUB provides a complete, intelligent control solution that helps optimize comfort, efficiency, and system performance with advanced features tailored to professional-grade Mitsubishi equipment.
Programmable ON OFF control for Mitsubishi mini split M Series P Series, CITY MULTI & VRF variable refrigerant flow HVAC systems. PAR-42MAAUB Replaces PAR-40MAAU & PAR-41MAAU and TAR-42MAAUB Replaces TAR-40MAAU & TAR-41MAAU
Ventilation equipment control – Interlocked setting and interlocked operation setting with City Multi Lossnay units can be performed. Air flow direction setting Available airflow directions vary depending on the model.
7 day programmable schedule with up to eight temperature periods per day for maximum comfort. A filter sign will appear when it is time to clean the filter
Adjustable temperature and fan speed settings based on indoor unit compatibility supports the A2L refrigerant leakage detection system. Works as a remote controller and as a refrigerant leakage alarm for an indoor unit. Insupperviser settings: Monitors the refrigerant leakage in the refrigerant system in which this remote controller is connected. This function is assumed to be used at a monitoring site, and air conditioning units are not operable from the supervisor remote controller.
Multi language LCD display with backlight dark mode and daylight saving time adjustment.
Hold function disables timer and schedule settings for manual override and temporary control.
Tracks hourly daily and monthly energy consumption data for M Series and P Series units.
Restriction settings include operation lock temperature limit auto return and password access.
Airflow direction and louver control for targeted air distribution and balanced room comfort.
Compatible with Mitsubishi Lossnay ventilation systems for integrated fresh air management