Daikin UWL040B5 - Routine Maintenance Schedule

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Repair
Items to be Checked Periodically
Maintenance
The unit can only be repaired and serviced by specially-trained technicians. After a unit is serviced, safety
controls must be checked and analyzed before the unit is turned on.
■ Clean the shell and tube heat exchanger periodically.
To optimize heat exchange efciency of the shell and tube heat exchanger,please clean the shell and tube
heat exchanger periodically.
■ Check the status of the chilled water from time to time.
Discharge water by loosening the air or water discharge plug.
If the water quality degrades, replace water in the system timely.
Contaminated water can degrade the cooling capacity and corrode the heat exchanger and water pipes.
■ Check whether free air exists in the water pipe system.
Free air may get into the system even during the air discharging process. Discharge air from time to time.
■ Clean the Y-shaped water lter in the water system periodically.
■ Replenishing refrigerant and lubricant.
Each unit is lled with enough refrigerant and lubricant before delivery.
If the system operates smoothly, customers neither need nor are allowed to replenish or change the
refrigerant or lubricant.
If replenishment is necessary due to leakage, please rell the quantity specied in the nameplate of the
unit.
Note: Before checking and maintaining the
unit, conrm the safety precautions again.
Note: Before delivery, strict factory test
is conducted to ensure the unit works at
optimal performance. The unit must be
maintained from time to time.