[AC] 問﹕Chiller 運作原理係點？有啲乜保護方法？

答﹕

理解咗個運作原理，要保護啲乜就容易理解得多，個chiller由四個主要部件組成，Compressor, Condensor, Expansion Valve, Evaporator; 當然，個compressor仲要有motor推動，同埋個system裡面要有refrigerant

又或者Youtube睇一轉

https://www.youtube.com/watch?v=K0xAKzdROEg

個Chiller最頂嗰舊係Compressor, 低一倉係Evaporator, 最低嗰倉係Condensr

Condenser: 

High / Low Return Condenser water temperature / Reduction of water flow in condenser (Water Cooled) / Reduction of air flow in condenser (Air Cooled) / High / Low Ambient Air Temperature (Air Cooled)

If no flow signal, the pump will automatically interlocked for changeover to the standby pump.

Evaporator:

Evaporator Low Cut / Low flow 

Expansion Valve:

Blocked expansion valve

Compressor:

Oil: Lubrication Oil Level / Oil Pressure

Electrical: Motor, VSD, Panel High Cut / Over Current / Votage High, Low / 3 phase unbalance / Surge Protection

Refrigerant:

Purge for non condensable in refrigerant loop / System Pressure 

(鳴謝﹕紅豆、K、諾克Sir; Source: https://youtu.be/Zu0LVVNNVSw ; https://www.youtube.com/watch?v=K0xAKzdROEg)