Carel k.Air, User Manual, Page: 185 / 192

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Software update k.air +030220981 rel. 1.2 - 01.12.2020
13. SOFTWARE UPDATE
The k.Air controller application program can be updated as follows:
• Update from computer via USB cable connection;
• Update via USB pen drive;
• Update with fi le transfer via FTP;
Note:
to update the controller, the .ap1 application update fi le is required, supplied by CAREL INDUSTRIES S.p.A.
Important: only application software supplied and approved by CAREL INDUSTRIES S.p.A. can be loaded onto the k.Air con-
troller.
Important: before updating the k.Air controller via USB connection, check in the system menu that the USB Host port is
enabled (path Settings > USB Settings > Pen drive).
• Use only FAT formatted pen drives.
• On k.Air Large models, do not use the controller’s two USB ports at the same time.
• Do not use mass storage devices with a current draw higher than 500 mA.
Important: when updating the application software, any confi gurations previously set by the user will be lost. Consequently,
before starting the update, the confi guration can be saved and then reloaded after updating the application software. For details
on the procedure for saving and loading the user confi gurations, see the chapter “Commissioning”.
13.1 Update via U SB cable
On k.Air models equipped with a USB device (Slave) port, the application program can be updated by connecting a computer
to the controller via USB cable:
1. Connect the computer and the c.pCO controller via USB cable using the USB device port
30220980_043_R01
C1
NO1
NO2 NO3
C1
C4
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NO5 NO6
C4 C7
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U4 GND U5 GND VG VG0 Y1 Y2 Y3 Y4 ID
1
ID
2
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ID
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ID
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IDC1
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Tx/Rx GND Tx/Rx GND
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USB connector from computer
Fig. 13.a
1. The controller will be seen by the system as an external drive; save the .ap1 fi le to the folder called “UPGRADE”;
2. Unplug the cable; the k.Air controller operating system will automatically update the application software. The update procedu-
re will last a few minutes, then the unit will reboot.
3. Return to the system menu and run the Application > Wipe retain command, or alternatively go to screen Ac30 and run the
“Clear permanent memory” command.