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Thread: Negative superheat
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05-03-2010, 06:40 PM #1
Negative superheat
Hi guys, I have two Dunham Bush screw type 150 ton air cooled chillers model ACHFX 150-6s. We recently installed new compressors and the unit were set up by a Dunham Bush tech but lately i have getting zero or negative superheat on the suction, any help will be greatly appreciated.
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