Appion Central
Appion HVAC Mobile Tool App
Free
2.0.0for iPhone, iPad and more
Age Rating
Appion Central Screenshots
About Appion Central
Appion Central is designed to allow users to manage their Appion products as well as provide an interface with the Appion Portal web service.
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What's New in the Latest Version 2.0.0
Last updated on Mar 22, 2024
Old Versions
Redesigned the user interface for a more modern look and improved usability.
Added tablet-specific layout of the user interface.
Added view to calculate system cooling capacity using RHT and airflow measurements.
Added help screens throughout the application.
Added tablet-specific layout of the user interface.
Added view to calculate system cooling capacity using RHT and airflow measurements.
Added help screens throughout the application.
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Version History
2.0.0
Mar 22, 2024
Redesigned the user interface for a more modern look and improved usability.
Added tablet-specific layout of the user interface.
Added view to calculate system cooling capacity using RHT and airflow measurements.
Added help screens throughout the application.
Added tablet-specific layout of the user interface.
Added view to calculate system cooling capacity using RHT and airflow measurements.
Added help screens throughout the application.
1.5.19
Dec 20, 2023
Fixed
• Fixed bug that prevented setting a recovery service pressure alarm when using a PTC900 gauge.
• Fixed view sizing for PTC900 devices in nitrogen test service.
• Fixed app startup issues with Bluetooth.
• Fixed bug that prevented setting a recovery service pressure alarm when using a PTC900 gauge.
• Fixed view sizing for PTC900 devices in nitrogen test service.
• Fixed app startup issues with Bluetooth.
1.5.18
Nov 16, 2023
Fixed
• Fixed bug when exporting System Diagnostics service with RHT100 gauges that prevented the gauge names from displaying in the PDF.
• Fixed bug when exporting System Diagnostics service with RHT100 gauges that prevented the gauge names from displaying in the PDF.
1.5.17
Oct 20, 2023
Fixed
• Fixed bug when viewing PT900 data logs.
• Fixed bug when viewing PT900 data logs.
1.5.14
Jan 23, 2023
Updated
• Updated icons for gauges in My Devices page.
• Bluetooth improvements.
• Updated icons for gauges in My Devices page.
• Bluetooth improvements.
1.5.12
May 16, 2022
Updated
• Updated refrigerant library with latest data for improved PT calculations.
Fixed
• Fixed exporting of large data logs to Excel and CSV.
• Updated refrigerant library with latest data for improved PT calculations.
Fixed
• Fixed exporting of large data logs to Excel and CSV.
1.5.10
Jun 14, 2021
Updated
• Updated CSV and Excel export of data logs to make it easier to graph the data.
• Improved stability of Bluetooth signal strength indicator for gauges.
• Updated CSV and Excel export of data logs to make it easier to graph the data.
• Improved stability of Bluetooth signal strength indicator for gauges.
1.5.9
May 26, 2021
Fixed
• Fixed bug that prevented saving note entries in jobs, tanks, etc..
• Various other minor bug fixes.
• Fixed bug that prevented saving note entries in jobs, tanks, etc..
• Various other minor bug fixes.
1.5.8
Apr 8, 2021
Fixed
• Various minor bug fixes.
• Various minor bug fixes.
1.5.7
Mar 4, 2021
Fixed
• Fixed bug in Tank editor view when trying to view single use tanks.
• Fixed bug in data log views when displaying durations longer than 24 hours.
• Updated HVAC System edit view to use units from preferences for charge weight, superheat, and subcooling.
• Fixed chart legend colors when app is using dark theme.
• Fixed bug in Tank editor view when trying to view single use tanks.
• Fixed bug in data log views when displaying durations longer than 24 hours.
• Updated HVAC System edit view to use units from preferences for charge weight, superheat, and subcooling.
• Fixed chart legend colors when app is using dark theme.
1.5.5
Feb 15, 2021
New
• Dark theme support.
• Evacuation Service progress indicator.
Updated
• Evacuation service now stops when the decay test is finished.
Fixed
• Fixed bug in Tank editor view when changing refrigerants.
• Fixed bug in Charging and Recovery service when selecting a Tank.
• Fixed chart bugs.
• Dark theme support.
• Evacuation Service progress indicator.
Updated
• Evacuation service now stops when the decay test is finished.
Fixed
• Fixed bug in Tank editor view when changing refrigerants.
• Fixed bug in Charging and Recovery service when selecting a Tank.
• Fixed chart bugs.
1.5.3
Jan 23, 2021
Fixed
• Fixed bugs when entering or editing tank entries.
• Other minor bug fixes and improvements.
• Fixed bugs when entering or editing tank entries.
• Other minor bug fixes and improvements.
1.5.2
Dec 17, 2020
New
• Added ability to highlight measurements on chart views.
• Evacuation Service chart can now be auto-scaled.
Fixed
• Fixed bug when loading SH/SC measurements from saved System Diagnostics service.
• Fixed issue when recording measurement while app is in the background.
• Added ability to highlight measurements on chart views.
• Evacuation Service chart can now be auto-scaled.
Fixed
• Fixed bug when loading SH/SC measurements from saved System Diagnostics service.
• Fixed issue when recording measurement while app is in the background.
1.5.1
Sep 15, 2020
Fixed
• Fixed issue when exporting jobs as a PDF.
• Fixed bug when entering manual measurement that contain dual units.
• Fixed bug when adding weight measurement to Workbench service.
• Fixed bug in Charging Service that could cause service to be unresponsive.
• Fixed issue when exporting jobs as a PDF.
• Fixed bug when entering manual measurement that contain dual units.
• Fixed bug when adding weight measurement to Workbench service.
• Fixed bug in Charging Service that could cause service to be unresponsive.
1.5.0
Sep 1, 2020
New
• Added Workbench Service where a custom set of measurement views can be added.
• A custom label can now be added to measurements in all services by swiping the measurement view to the right.
Fixed
• Fixed some Bluetooth issues.
• Fixed bug in Tank Transactions that prevented adding measurements in lb/oz and kg/g.
• Added Workbench Service where a custom set of measurement views can be added.
• A custom label can now be added to measurements in all services by swiping the measurement view to the right.
Fixed
• Fixed some Bluetooth issues.
• Fixed bug in Tank Transactions that prevented adding measurements in lb/oz and kg/g.
1.4.9
Jul 30, 2020
Fixed
• Fixed bug when entering manual measurements that would cause window to close.
• Fixed view of differential gauge selection in System Diagnostics.
• Fixed bug when entering manual measurements that would cause window to close.
• Fixed view of differential gauge selection in System Diagnostics.
1.4.8
Jul 29, 2020
New
• Added ability to use manual measurement entries in System Diagnostics, Recovery, and Charging Services.
• Multiple high-side and low-side measurements can now be added to System Diagnostics.
• Added ability to add manual RHT measurements to System Diagnostics.
• You can now add or edit HVAC system information without needing a customer location first.
• HVAC Systems can be added directly to a job.
Updated
• Updated user interface for all of the HVAC Service views.
Fixed
• Fixed issue that caused text to be unreadable when device is in dark mode.
• Fixed target alarm bug in Recovery service.
• Added ability to use manual measurement entries in System Diagnostics, Recovery, and Charging Services.
• Multiple high-side and low-side measurements can now be added to System Diagnostics.
• Added ability to add manual RHT measurements to System Diagnostics.
• You can now add or edit HVAC system information without needing a customer location first.
• HVAC Systems can be added directly to a job.
Updated
• Updated user interface for all of the HVAC Service views.
Fixed
• Fixed issue that caused text to be unreadable when device is in dark mode.
• Fixed target alarm bug in Recovery service.
1.4.7
Jun 23, 2020
New
• Services, Jobs, and Customer Locations can now be exported as a PDF.
Fixed
• Fixed bug that could cause data log charts to fail to load.
• Fixed bugs in gauge settings view.
• Services, Jobs, and Customer Locations can now be exported as a PDF.
Fixed
• Fixed bug that could cause data log charts to fail to load.
• Fixed bugs in gauge settings view.
1.4.6
Jun 17, 2020
Updated
• Improved trend line and rate-of-change calculations.
• Improved signal strength indicator.
• Improved usability of target slider in evacuation service.
Fixed
• Fixed bugs in gauge settings view.
• Fixed bugs in data log chart view.
• Improved trend line and rate-of-change calculations.
• Improved signal strength indicator.
• Improved usability of target slider in evacuation service.
Fixed
• Fixed bugs in gauge settings view.
• Fixed bugs in data log chart view.
1.4.5
May 29, 2020
New
• Data logs can now be exported as a PDF in addition to CSV and Excel.
• Tank information can now be exported as CSV, Excel, and PDF.
Updated
• Nitrogen Test view now shows the test duration.
Fixed
• Fixed bug in graph view in gauge settings page that caused a slow-down.
• Data logs can now be exported as a PDF in addition to CSV and Excel.
• Tank information can now be exported as CSV, Excel, and PDF.
Updated
• Nitrogen Test view now shows the test duration.
Fixed
• Fixed bug in graph view in gauge settings page that caused a slow-down.
1.4.4
May 7, 2020
New
• Chart view in gauge settings and data logs can now be auto-scaled.
• Tank transactions now have a link to the services that added them.
Updated
• Improved editing of alarm values.
Fixed
• Fixed bug when loading data logs that could cause the chart to be blank.
• Fixed bugs in Gauge Settings page.
• Fixed bug in manual entry dialogs that could cause the window to close.
• Chart view in gauge settings and data logs can now be auto-scaled.
• Tank transactions now have a link to the services that added them.
Updated
• Improved editing of alarm values.
Fixed
• Fixed bug when loading data logs that could cause the chart to be blank.
• Fixed bugs in Gauge Settings page.
• Fixed bug in manual entry dialogs that could cause the window to close.
1.4.3
Apr 30, 2020
New
• Option to automatically connect to gauges (Available in Gauge Settings)
• Ability to filter listings for Service History, Tanks, Jobs, Data Logs, and Devices.
• Added the ability to enable a low pressure alarm in recovery services.
• Added an 'Unknown' refrigerant type that can be used for recovery tanks.
Updated
• Added a legend to data log charts.
Fixed
• Fixed bug in System Diagnostics when changing units on the gauge.
• Fixed some Bluetooth bugs.
• Option to automatically connect to gauges (Available in Gauge Settings)
• Ability to filter listings for Service History, Tanks, Jobs, Data Logs, and Devices.
• Added the ability to enable a low pressure alarm in recovery services.
• Added an 'Unknown' refrigerant type that can be used for recovery tanks.
Updated
• Added a legend to data log charts.
Fixed
• Fixed bug in System Diagnostics when changing units on the gauge.
• Fixed some Bluetooth bugs.
1.4.1
Apr 6, 2020
New
• Option to automatically connect to gauges (Available in Gauge Settings)
• Ability to filter listings for Service History, Tanks, Jobs, Data Logs, and Devices.
• Added the ability to enable a low pressure alarm in recovery services.
• Added an 'Unknown' refrigerant type that can be used for recovery tanks.
Updated
• Added a legend to data log charts.
Fixed
• Fixed bug in System Diagnostics when changing units on the gauge.
• Fixed some Bluetooth bugs.
• Option to automatically connect to gauges (Available in Gauge Settings)
• Ability to filter listings for Service History, Tanks, Jobs, Data Logs, and Devices.
• Added the ability to enable a low pressure alarm in recovery services.
• Added an 'Unknown' refrigerant type that can be used for recovery tanks.
Updated
• Added a legend to data log charts.
Fixed
• Fixed bug in System Diagnostics when changing units on the gauge.
• Fixed some Bluetooth bugs.
1.3.9
Mar 9, 2020
Updated
• You can now swipe to delete a gauge in My Gauges view.
Fixed
• Fixed bug that prevented the ability to edit alarm values.
• Fixed some Bluetooth bugs.
• Misc. bug fixes and improvements.
• You can now swipe to delete a gauge in My Gauges view.
Fixed
• Fixed bug that prevented the ability to edit alarm values.
• Fixed some Bluetooth bugs.
• Misc. bug fixes and improvements.
1.3.8
Feb 26, 2020
Updated
• Improved links between tanks, service, jobs, and customer locations.
Fixed
• Fixed bug that prevented the ability to edit job values.
• Fixed ability to edit service name.
• Fixed updating of tank maximum safe charge weight.
• Improved links between tanks, service, jobs, and customer locations.
Fixed
• Fixed bug that prevented the ability to edit job values.
• Fixed ability to edit service name.
• Fixed updating of tank maximum safe charge weight.
Appion Central FAQ
Click here to learn how to download Appion Central in restricted country or region.
Check the following list to see the minimum requirements of Appion Central.
iPhone
Requires iOS 13.0 or later.
iPad
Requires iPadOS 13.0 or later.
iPod touch
Requires iOS 13.0 or later.
Appion Central supports English
