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5-7
4. Discharge the water from the discharge port on the cooling water inlet.
5. Keep the discharge port open during shut down.
(2) Chilled water
Keep the evaporator full with the water. (Wet lay up)
(3) Hot water
Keep the generator full with the water. (Wet lay up)
5-3-3. Winter season
In case the ambient temperature of the Chiller is likely to be below 0
℃
, freeze protection is
necessary.
Consult the service agent for details.
5-4. RECOMMENDED SCHEDULE FOR MAINTENANCE
AND REPLACEMENT OF MAIN COMPONENTS
Parts
division
Name of Parts
Replacement timing
Replacement cycle
Water
line
Gasket of water line
After opening
Partition plate of water box
If necessary
Heat transfer tubes
Based on inspection result
Body parts
Heat exchanger
If necessary
Absorbent ,Refrigerant
Based on inspection result
Refrigerant pan
If necessary
Service valve spindle
Periodic replacement
6 years
Sight glass & packing
Periodic replacement
6 years
Diaphragm packing
Periodic replacement
6 years
Diaphragm valve
If necessary
Palladium cell
Periodic replacement
3 years
Palladium cell heater
Periodic replacement
3 years
Rupture disc
Periodic replacement
annual
Angle valve
If necessary
Check valve
If necessary
Damper If
necessary
Purge unit (ejector unit)
Periodic replacement
8 years
Pump
Absorbent pump (#1 / #2)
Periodic replacement
10 years / 20,000h
Refrigerant pump
Periodic replacement
10 years / 20,000h
Purge pump
If necessary
Control devices
Inverter(option)
Periodic replacement
5 years
Fan for inverter(option)
Periodic replacement
3 years
Reactor for inverter(option)
If necessary
Electromagnetic contactor
Periodic replacement
5 years
Circuit breaker
If necessary
CPU, indicator, IO, power board
Periodic replacement
7 years
Control relay
Periodic replacement
5 years
Timer
Periodic replacement
5 years
Cooling fan
Periodic replacement
5 years
Generator temp. sensor
If necessary
Temp. sensor
If necessary
Pressure sensor
Periodic replacement
5 years
Flow switch
Periodic replacement
8 years
Transformer If
necessary
These replacement cycle have been assumed in consideration of performing a periodic maintenance.