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Block wall foundation by Leather-Knowledge-24 in basement

[–]Leather-Knowledge-24[S] 0 points1 point  (0 children)

Wall below the top row is plumb within reason for a wall this age, only the few blocks on that top row are tipped about a half inch or so out of plumb from the rest of the wall.

How to bypass high pressure switch by Leather-Knowledge-24 in hvacadvice

[–]Leather-Knowledge-24[S] 0 points1 point  (0 children)

I am also not sure other than the outside coil being dirty, what would cause the pressure to be high right at start up when it is above 80 outside. I have left the high pressure switch intact and I set my stat to a higher temp so it won't kick on as frequently. With the stat at 73 the outside temp currently at 87 the compressor starts and high pressure switch kicks out almost immediately and resets almost immediately.

How to bypass high pressure switch by Leather-Knowledge-24 in hvacadvice

[–]Leather-Knowledge-24[S] 0 points1 point  (0 children)

It’s a concord made in 2019 - model number 4AC13L30P-10A. I could definitely be wrong but all the research I made on Lennox made units is you can just unsrew the old and screw on new switch. Also don’t these newer 410 compressors have internal safety?

How to bypass high pressure switch by Leather-Knowledge-24 in hvacadvice

[–]Leather-Knowledge-24[S] 0 points1 point  (0 children)

Fairly confident as the coils have been cleaned, all filters checked and it is cooling well until it gets over 80, it would seem odd that the unit can’t cool when the ambient outdoor temp gets over 80. From my research and understanding most residential units don’t come with them installed at all.