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The most I could get done was a engineer from the manfactuer came out after 2nd compressor and checked loop temps pressure drop and verfied GPM as listed in one of my previous post .
The 2 locked...

I measured the return air and the plenum at the unit is 32x8 and has a 29x8 inch opening, it runs on upstairs they used the floor joices for ducting and there is a 22 x12 riser upstairs and it has a...

The last time they replaced the compressor a engineer came out from manfactuer and checked water flow in loop , with both A&B running ewt was 75.5 and exiting temp was 82.2 with just A compressor...

I was told last time that they would tear old compressor down and search out cause, but I was never told and I did ask. the first one was some kind of mechanical failure because it would try and...

Have a Carrier 4 ton geotherm 2 speed , Isolated refrigeration circuits variable speed ICm fan motor closed loop dual pump package model # 50ybvo48. I have had 3 compressor failures in barely 5 yrs ....