JOHNSON CONTROLS
142
FORM 155.30-ICOM2.EN.UL
ISSUE DATE: 12/21/2018
SECTION 7 – MAINTENANCE
TABLE 30 - LIFESPAN OF COMMON PARTS
PART NAME LIFESPAN OF COMMON PARTS REMARKS
CHW Waterbox Gasket Every 2 years
CW Waterbox Gasket Yearly
HW Waterbox Gasket Every 2 years
Gasket, O-ring, Diaphragm Every 24,000/Hr
Evaporator tube About 15 years
Depends on the eddy current result
at interval 24-36 KHr.
Absorber tube About 15 years
Condenser tube About 15 years
Generator tube About 15 years
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
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
Rubber hose set for purge line Every 18,000/Hr
Oil for purge pump Every month
Refrigerant tank oat switch Every 60,000/Hr
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