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12.3.7 Evaluation of the Performance
Operate the unit at cooling/heating operation mode for fifteen minutes or more.
Measure the temperature of the intake and discharge air.
Ensure the difference between the intake temperature and the discharge is more than 8°C during Cooling
operation or more than 14°C during Heating operation.
Discharge air
12.3.8 Check the Drainage
Open front panel and remove air filters. (Drainage checking can be carried out without removing the front grille.)
Pour a glass of water into the drain tray-styrofoam.
Ensure that water flows out from drain hose of the indoor unit.
Drain tray-styrofoam
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