Lifespan for various parts
The replacement period for some parts are shown in the following table. (The following periods
are shown for reference only. The replacement period can be changed according to the actual
environment, frequency of use, weather and so on. Other parts can need to be replaced if used
incorrectly.)
Table 28: Lifespan of common parts
Part name Lifespan of common parts Remarks
CHW Waterbox Gasket Every 2 years
CW Waterbox Gasket Yearly
Generator Steam Box Gasket Every 2 years
Gasket, O-ring, Diaphragm Every 24,000/Hr
Evaporator tube About 15 years
Absorber tube About 15 years
Condenser tube About 15 years
Generator tube About 15 years
Depends on the eddy current
result at interval 24-36 KHr.
Main Circuit Board Every 30,000/Hr
Relay Every 30,000/Hr
Timer Every 30,000/Hr
Circuit Protector Every 30,000/Hr
Power unit Every 30,000/Hr
Magnet switch, Thermal relay Every 30,000/Hr
Battery for main circuit board Every 3 years
Battery for touch panel Every 5 years
Touch panel Every 30,000/Hr
Fan for control panel Every 30,000/Hr
Steam condensate control valve Every 60,000/Hr
Steam shut-off valve (option) Every 60,000/Hr
Differential pressure switch Every 30,000/Hr
Pressure sensor Every 30,000/Hr
Resistance temperature sensor Every 30,000/Hr
Thermocouple Every 30,000/Hr
Bearing for solution circulation pump Every 20,000/Hr
Solution circulation pump Every 60,000/Hr
Bearing for solution spray pump Every 20,000/Hr
Solution spray pump Every 60,000/Hr
Bearing for refrigerant pump Every 20,000/Hr
Refrigerant pump Every 60,000/Hr
Vacuum pump Every 60,000/Hr
Pump shut off valve Every 48,000/Hr
Pressure release valve Every 48,000/Hr
Purge solenoid valve Every 30,000/Hr
Refrigerant blow solenoid valve Every 30,000/Hr
Float valve for refrigerant tank Every 60,000/Hr
Compound gauge Every 48,000/Hr
Vacuum gauge Every 48,000/Hr
YHAU-C Single Effect Steam-Fired Absorption Chiller156
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