Internet Recovery will normally try to install the operating system that came with your Mac (if your Mac ships with macOS 10.7 or later).
Lion (10.7) comes with a 21.5-inch 2011 iMac (A1311). Internet recovery trying to install Lion on an iMac 2014 does not make sense.
See the “MacOS recovery exceptions” section:
Learn how to use macOS Recovery to reinstall the Mac operating system to your built-in drive or to an external drive.
support.apple.com
See the section “If you can’t boot from macOS recovery”:
MacOS Recovery utilities help you restore from Time Machine, reinstall macOS, get online help, repair or erase a hard drive, etc.
support.apple.com
Do you have access to another Mac?
