Haier HPU-90CA03T3 operation manual Maintenance, Remove air inlet grille

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Maintenance

Disconnect power supply

Don't touch it with wet hand

Don't wash with hot water or solvent to clean the unit

Remove air inlet grille

First cut off the power supply, then turn the embedded part of air inlet grille upwards, finally use cross-shaped screwdriver to screw off the screw.

Air filter cleaning

Use water or vacuum cleaner to clean it. If it is extremely dirty, wash it with neutral detergent or soap water.

Wash it with clean water and install it after complete dry.

Caution:

Don't use hot water over 40 C,

 

as this may cause damage to air filter.

 

Wipe air filter carefully.

40¡

 

Indoor and outdoor cleaning

Clean it with warm and wet cloth or with neutral detergent, then wipe it dry with clean and soft cloth.

If air conditioner is very dirty, clean it with cloth soaked in neutral detergent,then wipe off the detergent with clean water.

Don't use water higher than 40 C , which will cause discoloring and deformation.

Don't use insecticide or other chemical detergents.

40¡

 

 

 

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Contents Cabinet unit Outdoor unit Name of PartsParts and Functions Operation points Applicable ambient temperature range Safety PrecautionsUnit start OperationFan Operation Windows should be hung with curtains or blinds Users’ AttentionRemove air inlet grille MaintenanceAfter season maintenance Followings are not problems Trouble shootingSwitch is not set At on When problems occur?Symptom When Troubles Occur ?Installation instruction Standard accessories Installation instructionBefore installation Installation procedureInstallation of indoor unit Installation procedureInstallation of fall-prevention fitting metal Indoor unit Slope Good Main points of installation refrigerant pipe Outdoor unit Unit Clearances Tubing connection Matters needing attention Vacuum Pumping Check for leakageRefill refrigerant Refrigerant chargeOpen all valves Heat isolation of the pipesWiring method Wiring method of orbicular terminal Pressing method of connection wireConnect wire between indoor & outdoor unit Others Preventive measures against excess of critical value Calculation of refrigerant densityPage