Fool me five times. Some people never learn. Just got back from a call for a guy I take care of after the fact it seems. I have checked some of his rehabs done by others. Condensing units discharging under stairway in confined space. Another one had a 8x12 trunk for about 1400 sq ft 2nd floor fed from basement. Found this after the whole basement was finished.
Now on to his home. He has some Spacepak type made in Canada unit I have not seen with variable speed motor and electric heat coils. I am guessing that the return air is supposed to be laid out similar to Space Pak. About six feet max of approx 18" insulflex to one central r/a.
Partial list of what I found.
Secondary pan drain capped with overflow switch so cocked out of line it would never shut off the unit.
Five ton txv coil with 3 1/2 ton condensor. (now 3 ton compressor)
Two 10" insulflex returns to 12x12 r/a grilles. One run is twenty feet with kinks.
3 1/2 ton compressor replaced in warranty with 3 ton non oem Kulthorn recip. compressor. No dryer to be seen.
Unit so overcharged the compressor often will not even start!
Four year old coil with stainless pan leaking water from two corner seams.
Now what? I told him I will try and save the condensing unit.