OLD Singer A/C tonnage

[airplus]

Can anyone tell me how to read the model number and serial number on an old singer ac unit.
Mod# ACR 50119-2S F Serial# O11385O-EO6-O156

THANKS for any assistance you can provide.

[jimj]

1981 model. 6.5 seer. 17600 btuh

[jimj]

I don't come up with the F on the end of your model number.

[airplus]

[airplus]

Thanks, And just how did you come up with that?

[jimj]

Well........ What I posted above is what my online Preston's guide has. My book at the office my have more. If I get a chance in the am ill check

[airplus]

Thank you Sir