ok I found a statement that console-setup have been superseded on systemd operating systems. Therefore it is not working anymore. tty - Can I change the font of the text-mode console? - Unix & Linux Stack Exchange
But there is quite a simple way to change fonts. Just add following to your .bashrc located on root user home directory
/usr/bin/setfont /usr/share/consolefonts/Uni2-TerminusBold16.psf.gz
I did a test with Uni2-TerminusBold28x14.psf.gz
and Uni2-TerminusBold16.psf.gz
There you can see how font size is changing after reboot.