If you installed a start capacitor, such as # ACMSCKIT or # SSR54FR or similar component, and having proper operation afterwards but then at a later point the unit operates without blowing cold air, I would not associate the installation of capacitor with current malfunction. I suggest you first ensure proper air flow around all AC components, if this has been in storage there may very well be debris blocking air movement and proper operation.
Yes you can replace a 13,500 btu unit with... view full answer...