Haier AP42NACAAA, AP42NACMAA, HPU-44H03, HPU-42C03, AU42NAIAAA, AU42NAIMCA After season maintenance

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Maintenance

After season maintenance

Let the unit run in Fan mode for half a day in a fine weather to dry completely the unit inside.

Turn off the unit and pull out power plug.

There might be certain power consumption even if unit is stopped.

Clean air filter and indoor unit, cover outdoor unit after cleaning.

Before season maintenance

Check if there are obstacles at inlet and outlet of indoor and outdoor unit, whick will reduce unit efficiency.

Don't fail to attach air filter after making sure it is cleaned.

Dust will enter into unit causing damages or faults if it is running without air filter.

To protect compressor at start, please connect external power supply to the unit 12 hrs prior to starting. Also please keep the power supply switch ON during the whole season.

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Contents Packaged unit Operation ContentDisposal of the old air conditioner Page Parts Indoor unitManual Operation Machine is Adaptive in Following Situation OperationRemote-controlled Operation Unit starts running AutoManual Operation CoolingRemote-controlled Operation DryHeating Fan Sleep Timer ON/OFF Timer on/off operationTimer ON-OFF Timer on-off functionAir flow adjustment Unit operation Operation hints On OFF Energy savingON/OFF Air filter cleaning MaintenanceAfter season maintenance Followings are not problems Trouble shootingPower supply failure? switch is not Set at on When problems occur?Indoor & outdoor unit connection Indoor & outdoor unit connection Tools necessary Tools necessaryDisplay of whole unit Installation proceduresInstallation of indoor unit IndoorOutdoor Unit Installation of fall-prevention fitting metal Installation procedures 10m 15m 20m 25m 30m Electric wiring Others