About BITZER Electronics ServiceTool
This is the App edition of the BEST SOFTWARE (BITZER Electronics Service Tool) for connecting to BITZER IQ products that support Bluetooth. Quickly configure the devices, monitor the operation and view the alarms...
This is the App edition of the BEST SOFTWARE (BITZER Electronics Service Tool) for connecting to BITZER IQ products that support Bluetooth. Quickly configure the devices, monitor the operation and view the alarms including alarm help texts. Furthermore, the logs can be retrieved from the devices, visualized and uploaded to the myBITZERcloud for storage and sharing with other devices and peoples. Supported products: // IQ MODULE CM-RC-02 // IQ MODULE CM-RC-01 - Requires firmware version 2.5.246.00 or newer - For firmware update use the Windows version of BEST as it requires to connect via the BEST converter // IQ MODULE CM-SW-01 - Requires firmware version 2.8.82.00 or newer - For firmware update use the Windows version of BEST as it requires to connect via the BEST converter // CSV - Bluetooth is available by the CSV frequency inverters with the control board of the 2nd generation. This control board can be recognized by the STO input (orange connector) or the RJ12 socket for the BEST converter - Requires firmware version 1.92 or newer - For first configuration (change of refrigerant or configuring the compressor type in case of spare parts) use the Windows version of BEST as it requires to connect via the BEST converter. Also for firmware updates // ECOSTAR LHV5E and LHV7E - Requires firmware version 5.0.2.0 or newer - For firmware update use the Windows version of BEST
Version History Relevant innovations in versions 2.21 • Product data updated in correspondence with BEST 2.21 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/. 2.21.31588 10/06/2025 Relevant innovations in versions 2.21 • Product data updated in correspondence with BEST 2.21 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/. 2.21.31580 10/02/2025 Relevant innovations in version 2.20.30851 • BDN registration enhanced: Already existing Sites and Systems get listed and can be selected. • Product data updated in correspondence with BEST 2.20 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/. 2.20.30851 04/09/2025 Minor bug fix 2.19.28204 09/03/2024 Relevant innovations in version 2.19 • Offline support: Besides the datalogs, now also the parameters can be viewed from stored BEST files. • User settings from a given BEST file can be transferred to a device. • IQ MODULE CM-RC-02: The firmware can be updated via Bluetooth as well as WiFi. • Product data updated in correspondence with BEST 2.19 for Windows. For details see http://best.bitzer.tech/. See full release note on http://mobilebest-releasenote-en.bitzer.tech/ 2.19.28129 08/20/2024 CM-RC-02: Reconfiguration of the operating mode from "Protection mode (SE-B)" into "Compressor operation mode" optimized. 2.18.26662 04/09/2024 - The Operational Graph now supports vertical and horizontal orientation. - Compressor selection wizard added. - BEST files can be imported. - Alarms - Alarm reset types get shown. - CSV: Fault log added. - BDN registration - Already existing Sites/Sub-Sites and Systems can be selected when being logged into myBITZER. - Proper failure messages gets shown instead of codes. - IQ MODULE CM-RC-02 integrated - Product data updated. For details, see http://best.bitzer.tech - Bugfixes for iPad 2.18.25759 01/24/2024 - The Operational Graph now supports vertical and horizontal orientation. - Compressor selection wizard added. - BEST files can be imported. - Alarms - Alarm reset types get shown. - CSV: Fault log added. - BDN registration - Already existing Sites/Sub-Sites and Systems can be selected when being logged into myBITZER. - Proper failure messages gets shown instead of codes. - IQ MODULE CM-RC-02 integrated - Product data updated. For details, see http://best.bitzer.tech 2.18.25671 01/18/2024 - The Operational Graph now supports vertical and horizontal orientation. - Compressor selection wizard added. - BEST files can be imported. - Alarms - Alarm reset types get shown. - CSV: Fault log added. - BDN registration - Already existing Sites/Sub-Sites and Systems can be selected when being logged into myBITZER. - Proper failure messages gets shown instead of codes. - IQ MODULE CM-RC-02 integrated - Product data updated. For details, see http://best.bitzer.tech 2.18.25461 01/12/2024 IQ MODULE CM-RC-01: - Firmware version 2.23.287.00 integrated - 8-cylinder CO₂ compressors 8FTE-100, 8FTE-140 and 8CTE-140 added - ECOLINE 2 cylinder compressors 2KES-05 .. 2CES-4 and 2EESH-2 .. 2CESH-4 made available as standard IQ MODULE CM-SW-01: - Compressor HSK9593-300 as successor for the compressor HSK9593-280 added - The phase monitoring can be activated by the motor starter functions “Direct on Line (DOL)“, “Part Winding(PW)” and “Star Delta” Various bugfixes 2.17.22770 02/10/2023 - Livelog feature added: - Whenever BEST is connected to a product, it logs automatically all operating data and parameters in the highest possible resolution - The operation can be visualized in a graph like known from the Windows version - The BEST file can be saved by a button at any time - Product data updated in correspondence with BEST 2.16 for Windows. For more details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.16.20717 07/21/2022 - Livelog feature added: - Whenever BEST is connected to a product, it logs automatically all operating data and parameters in the highest possible resolution - The operation can be visualized in a graph like known from the Windows version - The BEST file can be saved by a button at any time - Product data updated in correspondence with BEST 2.16 for Windows. For more details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.16.20710 07/19/2022 - New language: Vietnamese - Option to keep the screen awake while being connected to a device - New feature “Product registration” - By scanning the QR code on the nameplate of the product, a product authenticity check can be carried out as well as the warranty extension be activated - In addition, it is possible to register products in the BITZER DIGITAL NETWORK (BDN) - Product data updated in correspondence with BEST 2.15 for Windows. For more details see http://best.bitzer.tech 2.15.18109 12/17/2021 Bug fix: ECOSTAR: For several parameters it was unnecessarily required, to set the ECOSTAR operating mode to Off, before parameter changes could be transferred 2.14.14882 07/13/2021 - New language: Spanish - Bug fix: The compressor doesn´t stop anymore when providing an alarm reset command while the compressor is running - Product data updated in correspondence with BEST 2.14 for Windows. For details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.14.0 06/23/2021 Bugfix: Correction of compressor serial number dependent parameter handling of CM-SW-01 with compressors produced from January 2021 2.13.12702 01/27/2021 Product data updated in correspondence with BEST 2.13 for Windows. For details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.13.12134 12/23/2020 - Support of the ECOSTAR condensing units LHV5E/7E (requires firmware versions 5.0.2.0 or newer) - Attempt to reconnect if Bluetooth connection gets lost - Product data updated in correspondence with BEST 2.12 SP1 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see http://best.bitzer.tech 2.12.9598 07/16/2020 - Support of the ECOSTAR condensing units LHV5E/7E (requires firmware versions 5.0.2.0 or newer) - Attempt to reconnect if Bluetooth connection gets lost - Product data updated in correspondence with BEST 2.12 SP1 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see http://best.bitzer.tech 2.12.1 07/13/2020 - Graphical visualization of the devices downloaded datalogs - Selectable if SI or IP dimensional units are used (°C, bar or °F, psi) - Selectable if the pressure values are shown in gauge or absolute Product data updated in correspondence with BEST 2.12 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see https://best.bitzer.tech 2.12.7497 03/10/2020 - Support for CSV compressors (requires firmware version 1.92) - Product data updated in correspondence with BEST 2.11 SP2 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see https://best.bitzer.tech 2.11.6204 12/10/2019 Various bug fixes. 2.11.5204 09/05/2019 • Product data updated in correspondence with BEST 2.11 for Windows. For details about the newly supported compressors, refrigerants, firmware, and languages see http://best.bitzer.tech • With the new firmware version 2.8.82.00 included in BEST 2.11 for Windows, the app can now also support the CM-SW-01. 2.11.4648 07/19/2019 Bug fixes and optimizations. 1.0.4 10/16/2018 Bug fixes and optimizations. 1.0.3 10/12/2018
Previous Versions
Here you can find the changelog of BITZER Electronics ServiceTool since it was posted on our website on 2025-05-02 16:17:50.
The latest version is 2.21.31588 and it was updated on 2026-06-10 18:51:49. See below the changes in each version.
BITZER Electronics ServiceTool version 2.21.31588
Updated At: 2026-06-10
Changes: Version History Relevant innovations in versions 2.21
• Product data updated in correspondence with BEST 2.21 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/. 2.21.31588 10/06/2025 Relevant innovations in versions 2.21
• Product data updated in correspondence with BEST 2.21 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/. 2.21.31580 10/02/2025 Relevant innovations in version 2.20.30851
• BDN registration enhanced: Already existing Sites and Systems get listed and can be selected.
• Product data updated in correspondence with BEST 2.20 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/. 2.20.30851 04/09/2025 Minor bug fix 2.19.28204 09/03/2024 Relevant innovations in version 2.19
• Offline support: Besides the datalogs, now also the parameters can be viewed from stored BEST files.
• User settings from a given BEST file can be transferred to a device.
• IQ MODULE CM-RC-02: The firmware can be updated via Bluetooth as well as WiFi.
• Product data updated in correspondence with BEST 2.19 for Windows. For details see http://best.bitzer.tech/.
See full release note on http://mobilebest-releasenote-en.bitzer.tech/ 2.19.28129 08/20/2024 CM-RC-02: Reconfiguration of the operating mode from "Protection mode (SE-B)" into "Compressor operation mode" optimized. 2.18.26662 04/09/2024 - The Operational Graph now supports vertical and horizontal orientation.
- Compressor selection wizard added.
- BEST files can be imported.
- Alarms
- Alarm reset types get shown.
- CSV: Fault log added.
- BDN registration
- Already existing Sites/Sub-Sites and Systems can be selected when being logged into myBITZER.
- Proper failure messages gets shown instead of codes.
- IQ MODULE CM-RC-02 integrated
- Product data updated. For details, see http://best.bitzer.tech
- Bugfixes for iPad 2.18.25759 01/24/2024 - The Operational Graph now supports vertical and horizontal orientation.
- Compressor selection wizard added.
- BEST files can be imported.
- Alarms
- Alarm reset types get shown.
- CSV: Fault log added.
- BDN registration
- Already existing Sites/Sub-Sites and Systems can be selected when being logged into myBITZER.
- Proper failure messages gets shown instead of codes.
- IQ MODULE CM-RC-02 integrated
- Product data updated. For details, see http://best.bitzer.tech 2.18.25671 01/18/2024 - The Operational Graph now supports vertical and horizontal orientation.
- Compressor selection wizard added.
- BEST files can be imported.
- Alarms
- Alarm reset types get shown.
- CSV: Fault log added.
- BDN registration
- Already existing Sites/Sub-Sites and Systems can be selected when being logged into myBITZER.
- Proper failure messages gets shown instead of codes.
- IQ MODULE CM-RC-02 integrated
- Product data updated. For details, see http://best.bitzer.tech 2.18.25461 01/12/2024 IQ MODULE CM-RC-01:
- Firmware version 2.23.287.00 integrated
- 8-cylinder CO₂ compressors 8FTE-100, 8FTE-140 and 8CTE-140 added
- ECOLINE 2 cylinder compressors 2KES-05 .. 2CES-4 and 2EESH-2 .. 2CESH-4 made available as standard
IQ MODULE CM-SW-01:
- Compressor HSK9593-300 as successor for the compressor HSK9593-280 added
- The phase monitoring can be activated by the motor starter functions “Direct on Line (DOL)“, “Part Winding(PW)” and “Star Delta”
Various bugfixes 2.17.22770 02/10/2023 - Livelog feature added:
- Whenever BEST is connected to a product, it logs automatically all operating data and parameters in the highest possible resolution
- The operation can be visualized in a graph like known from the Windows version
- The BEST file can be saved by a button at any time
- Product data updated in correspondence with BEST 2.16 for Windows. For more details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.16.20717 07/21/2022 - Livelog feature added:
- Whenever BEST is connected to a product, it logs automatically all operating data and parameters in the highest possible resolution
- The operation can be visualized in a graph like known from the Windows version
- The BEST file can be saved by a button at any time
- Product data updated in correspondence with BEST 2.16 for Windows. For more details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.16.20710 07/19/2022 - New language: Vietnamese
- Option to keep the screen awake while being connected to a device
- New feature “Product registration”
- By scanning the QR code on the nameplate of the product, a product authenticity check can be carried out as well as the warranty extension be activated
- In addition, it is possible to register products in the BITZER DIGITAL NETWORK (BDN)
- Product data updated in correspondence with BEST 2.15 for Windows. For more details see http://best.bitzer.tech 2.15.18109 12/17/2021 Bug fix: ECOSTAR: For several parameters it was unnecessarily required, to set the ECOSTAR operating mode to Off, before parameter changes could be transferred 2.14.14882 07/13/2021 - New language: Spanish
- Bug fix: The compressor doesn´t stop anymore when providing an alarm reset command while the compressor is running
- Product data updated in correspondence with BEST 2.14 for Windows. For details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.14.0 06/23/2021 Bugfix: Correction of compressor serial number dependent parameter handling of CM-SW-01 with compressors produced from January 2021 2.13.12702 01/27/2021 Product data updated in correspondence with BEST 2.13 for Windows. For details about the newly supported compressors, refrigerants and firmware see http://best.bitzer.tech 2.13.12134 12/23/2020 - Support of the ECOSTAR condensing units LHV5E/7E (requires firmware versions 5.0.2.0 or newer)
- Attempt to reconnect if Bluetooth connection gets lost
- Product data updated in correspondence with BEST 2.12 SP1 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see http://best.bitzer.tech 2.12.9598 07/16/2020 - Support of the ECOSTAR condensing units LHV5E/7E (requires firmware versions 5.0.2.0 or newer)
- Attempt to reconnect if Bluetooth connection gets lost
- Product data updated in correspondence with BEST 2.12 SP1 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see http://best.bitzer.tech 2.12.1 07/13/2020 - Graphical visualization of the devices downloaded datalogs
- Selectable if SI or IP dimensional units are used (°C, bar or °F, psi)
- Selectable if the pressure values are shown in gauge or absolute
Product data updated in correspondence with BEST 2.12 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see https://best.bitzer.tech 2.12.7497 03/10/2020 - Support for CSV compressors (requires firmware version 1.92)
- Product data updated in correspondence with BEST 2.11 SP2 for Windows. For details about the newly supported compressors, refrigerants, firmware and languages see https://best.bitzer.tech 2.11.6204 12/10/2019 Various bug fixes. 2.11.5204 09/05/2019 • Product data updated in correspondence with BEST 2.11 for Windows. For details about the newly supported compressors, refrigerants, firmware, and languages see http://best.bitzer.tech
• With the new firmware version 2.8.82.00 included in BEST 2.11 for Windows, the app can now also support the CM-SW-01. 2.11.4648 07/19/2019 Bug fixes and optimizations. 1.0.4 10/16/2018 Bug fixes and optimizations. 1.0.3 10/12/2018
BITZER Electronics ServiceTool version 2.21.31588
Updated At: 2025-10-06
Changes: Relevant innovations in versions 2.21
• Product data updated in correspondence with BEST 2.21 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/.
BITZER Electronics ServiceTool version 2.21.31588
Updated At: 2025-10-06
Changes: Oct 6, 2025
Version 2.21.31588
Relevant innovations in versions 2.21
• Product data updated in correspondence with BEST 2.21 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/.
BITZER Electronics ServiceTool version 2.20.30851
Updated At: 2025-04-09
Changes: Apr 9, 2025
Version 2.20.30851
Relevant innovations in version 2.20.30851
• BDN registration enhanced: Already existing Sites and Systems get listed and can be selected.
• Product data updated in correspondence with BEST 2.20 for Windows. For details about the newly supported products, compressors and refrigerants see http://best.bitzer.tech/.
Disclaimer
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