🥳Release notes

MClimate is devoted to keeping our products up to date with the latest advances in the space of IoT. Thus, we push updates for the purpose of introducing New Features or in order to improve Existing Functionality. We are committed to making our products better!

We have made the option to update the firmware of your device (check improvements each version brings below) via a remote update. Learn on how to initiate the update in the FUOTA section of our documentation.

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Firmware Updates NewsletterMClimate

Firmware version 2.2

Release date: 02 Jun 2025

• The default upper limit of the target temperature range has been changed from 99°C to 30°C.

Firmware version 2.1

Release date: 08 May 2025

• NEW - added German and Spanish UI languages.

• Bugfix: The device now returns 0xFF when the external temperature sensor circuit is open or shorted, instead of returning a valid temperature.

Firmware version 1.9

Release date: 04 March 2025

• NEW - functionality with electric heater support (application 06).

• NEW - option to use external 10kNTC control sensor instead of internal sensor.

• NEW - functionality for detecting errors on the internal and external temperature sensor.

• NEW - functionality to show internal and external sensor errors on the display.

• NEW - radio commands to send errors from the internal or external sensor.

• NEW - functionality to stop the fan, valve and heater in case of temperature sensor error.

• NEW - аdded an icon to indicate on the display when a heating element is turned on/off.

• NEW - when frost protection is activated, the delta temperatures of Δt1, Δt2 and Δt3 are set to 0.5°C.

• The allowable upper limit of the target temperature range has been increased from 30°C to 99°C.

• Change the anti-freeze temperature threshold to 4°C from 7°C and the setpoint to 5°C from 10°C.

Firmware version 1.8

Release date: 15 December 2024

• NEW - radio command to remotely power cycle the device - A5.

• NEW - radio command to select UI language (English and French available).

• In this firmware version, the target temperature range (both for cooling and heating) radio command has been returned.

• Bugfix: Random erroneous sensor temperature readings.

Firmware version 1.6

Release date: 06 September 2024

• Added additional fan modes.

• The Fan now runs for X minutes (adjustable setting) on LOW speed after the setpoint temperature has been reached in order to coo off the heating element (safety feature).

• Changed default target temperature min/max values ​​from 0-40C to 5-30C.

• When the device is in unoccupied mode, the target temperature and fan speed can be set using the buttons and the radio commands.

• Added min/max temperature range occupied/unoccupied.

• Added payload info when the change-over happens.

• Added different min/max temperature depending on the mode.

• Fixed bug related to incorrect operation of frost protection at negative measured temperature.

• Fixed bug related to application 2 and 3 being incorrectly displayed as 2 - pipe system instead of 4 - pipe in the application menu (installer menu) of the devices.

• Fixed bug related to wrong reporting of manually changed target temperature when changed by buttons and up to 10 sec after changed by radio command.

• Fixed bug: When the device is in ventilation mode and a radio command is sent to set the target temperature, this temperature is shown on the device display.

• Fixed bug: When two radio commands are sent to the device before the "Duty cycle" time expires, the device only responds to the last one.

Known issues:

• Random erroneous sensor temperature readings.

Firmware version 1.5

Release date: 19 April 2024

• Added improvements for AS923 radio region.

Firmware version 1.4

Release date: 04 March 2024

• Settings changed with the buttons now have a 5 second delay (to avoid rapid switching when cycling through fan speeds for example).

• Removed the black bar at the bottom of the display when the device is turned off.

• Тhe default temperature compensation value of the measured temperature has been changed from 0°C to -1.4°C.

• А bug related to sending the first radio packet has been fixed.

• Fixed "GET fan speed" command to return correct values for a 3-speed fan.

Firmware version 1.3

Release date: 19 January 2024

• Added app menu key unlock feature.

• Added functionality to select an app with buttons from the app menu.

Firmware version 1.2

Release date: 03 January 2024

• Added function to lock/unlock keys by pressing a certain combination.

• Added functionality for Automatic Temperature control mode with external temperature reading.

• Added separate PLC commands to delay relays, command to reset buffers and FCC outputs.

• Added a new PLC command to delay the ECM fan voltage output.

• Fixed a bug related to the SPI driver responsible for communication between the display and the device.

• Fixed a bug related to the incorrect display of the OCC function on the display when changing applications.

• Fixed valve opening/closing with delay.

• Fixed ECM fan max voltage startup to only work if the fan is off.

• Fixed a bug related to the switching from the ECM fan speed button.

• Fixed display of fan speeds when switching apps.

• Fixed default setting of ECM fan voltages and frost protection temperatures.

Firmware version 1.1

Release date: 29 November 2023

• Fixed app switching bug, fan and valve not switching properly.

• Fixed the default value for valve open/close time.

• Fixed a bug related to the fan turns on after the valve on time has expired.

Firmware version 1.0

Release date: 15 November 2023

• Initial firmware release.