google and find the manual
how old is old? google can fail on things easy 10 years old
for sure 20 years old as no PDF manuals existed long ago or rare.
the makers web site is down. now
what country is and what is the AC power there? LINE>
a non split AC , only window placed.
bi-directional fan???? huh?
the only manuals I see is here. (a mirror site, free)
no country stated, nor country AC line spec, 240VAC 60hz?
what is BTU rating on the DT? 23k BTU:?
https://www.manualslib.com/brand/midea/air-conditioner.html
the manuals all stated to get help from
www.midea.com
try asking maker for direct support for sure manuals.
they will ask you what country
but not told you.