Purposes:
It is to avoid FF evaporator tubes from breaking by correcting improper refrigerant level control methods.
Equipments Affected:
YK/YR Falling Film chillers
Whether a chiller is a Falling Film chiller can be identified by the Evaporator Code in Chiller Model Number or by the refrigerant supply way of evaporator. Please refer to table 1 for details.
Features of FF Chillers & Failure Theory of Evaporator Tubes:
Compared with traditional flooded chillers, Falling Film chillers mainly have such differences as listed in table 1.