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SHINKO- 4
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5 ton High Efficiency A5 Duct Technical Manual
54
10.
Maintenance
10.1 Operation required before leaving the unit idle for a long period.
Let the air conditioner run in the fan mode for about half a day, and let its interior be fully dry.
Switch off the power by the button in remote or wired controller, and then cut off the power supply.
When the main power switch is turned on, a certain extent of electric power is consumed even if the
air conditioner does not run. Turning off the main power switch can save energy.
Remove the batteries out of the remote controller.
After the air conditioner has been in service for several seasons, foreign substance accumulates
inside the unit to an extent dependent on the working conditions. Therefore, shut down the air
conditioner through the ON/OFF button of the controller, and then cut off the power supply.
Startup after a long period out of service.
✓
Check the following issues:
✓
Check whether the air inlet or outlet of the indoor unit and outdoor unit is blocked.
✓
Check whether the ground wire is connected properly.
✓
Check whether the condensate water is discharged normally.
✓
Check whether the insulation work of refrigerant circuit and ventilating duct is on sound status.
✓
Check whether the installing seat is corroded or rusted.
10.2 Maintenance and upkeep of outdoor unit
The edge of some sheet metal assemblies and the fin of the condenser are very sharp. Incorrect
operation may cause harm. Be cautious when cleaning them up.
Check the air inlet and outlet of the outdoor unit periodically to see whether they are blocked by stain
or lampblack.
10.3 Motor and evaporator maintenance (Only available for Model: 18, 24 and 36 indoor unit)
Shut down the unit and cut off power supply before maintain.
Remove off the ventilated panel.
Remove off a half of motor housing.
Take off the motor.
Clean the evaporator and fan, or change the indoor motor.