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20-12-2016, 05:54 AM #1
York YVAA - Low Suction Pressure Issue
Hi,
I have a York YVAA Chiller operating at my plant. From the past few weeks, the unit trips randomly on fault of "LOW SUCTION PRESSURE".
The unit is running on a low load, and the Difference between the Entering and Leaving is 5 Degrees C (Setpoint/Leaving: 7 Degrees, Entering: 12 Degrees).
I have checked all the valves/sensors and they are okay. Can someone tell me what else i need to check and what could be the cause of this?
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20-12-2016, 06:14 AM #2
Re: York YVAA - Low Suction Pressure Issue
Your chiller sounds like it is low on refrigerant as the TD is correct but it is not loading up and giving low suc alarm.
If it is a newer model with aluminium micro channel condensing coils your leak will be in this area.I love the smell of Ammonia in the morning!