Figure 51: Sequential operation flowchart
Note:
a. Implement sequential operation of the chilled water pump and the cooling water
pump from the chiller.
b. If there is one air conditioner, secure interlock for the air conditioner operation (the
part indicated by broken lines).
c. Implement sequential operation in such a way that when the chilled water pump
stops, the cooling water pump also stops.
d. If the chilled and cooling water system is the common system, install the isolation
valve on the chilled water and cooling water inlet pipe entering the chiller, and
interlock these isolation valves with the chiller control panel. It is important for safe
and reliable operation of the chiller and to prevent potential crystallization of lithium
bromide solution and freezing of the evaporator tubes.
103YHAU-C Single Effect Steam-Fired Absorption Chiller
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