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Thread: Low suction pressure
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15-06-2017, 06:01 PM #1
Low suction pressure
Hello! Can anyone tell me why I'm getting a good discharge pressure (185) but the suction pressure pulls down lower and lower as I get my water down to target temp 31 degrees F)? It's an RSW system using 507. Sight glass on liquid line shows full liquid. Pretty sure I have superheat set right (approx. 10 degrees).