York chiller
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The control panel of the York chiller shows a low purge pressure – how to resolve this?
Our centrifugal York chiller is the same; it shows low as well. However, we haven’t come out yet, and it doesn’t affect operation.
Your control cabinet is a positive-pressure explosion-proof cabinet! Is this QNAP’s control center?
Yes, how can this problem be solved?
York units generally use slightly positive pressure explosion-proof cabinets, which are equipped with alarm indicators. For example, insufficient supply of instrument air (process air) to the cabinet, or air leakage from the cabinet doors, can cause an alarm indicating that the pressure within the slightly positive pressure explosion-proof cabinet has dropped below the required level. Knowing this cause, you should be able to find a solution
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The positive pressure inside the control cabinet is not sufficient; this pressure can be adjusted! But it does not affect startup! It’s mainly to maintain the pressure inside the cabinet!