Panasonic CU-RZ25TKR - Page 67

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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