RECOMMENDED END OF SEASON OPERATIONS
•Descale as described in the following section.
•Empty the water from the tank and internal circuit by extrac- ting and opening the two hoses inside the water drainage hose door (H) (fig.37).
•Operate the appliance with the water tank empty in fan only mode for about half an hour. This dries any water remaining inside the appliance.
•Turn the appliance off and unplug from the electrical socket.
•Remove the air exhaust hose.
•Clean the dust filters and (in certain models) the air purifying filters.
•Place the power cable in the special rear power cable com- partment (I) (fig.38).
•Cover the appliance to avoid dust.
DESCALING
When using the appliance in water mode, lime scale will inevi- tably form and must be removed to maintain efficiency. After about 500 hours of operation, the appliance therefore warns that
descaling is required by displaying the message 
C L (CLEAN). Descale the appliance.
•Turn off the appliance and unplug from the socket. Empty all water from the inside of the appliance through the drain hoses (fig. 37).
•Close and replace the drain hoses. Pour 0.5 Liters of descaler (one bottle) and 1.5 Liters of clean water into the tank.
•Plug in and operate the appliance in air conditioning mode
with the BOOST function selected until the | "no water" |
symbol appears on the display. |
|
•Turn off the appliance and unplug from the socket. Empty all water from the inside of the appliance through the drain hoses.
•Close and replace the drain hoses. Pour 2 Liters of clean water into the tank to rinse the internal circuits of dirt and descaler.
•Plug in and operate the appliance until the 
"no water" symbol appears on the display.
•Turn off the appliance and unplug from the socket. Empty all rinsing water from the inside of the appliance through the drain hoses.
•If the water drained off is very dirty or contains large quanti- ties of foam, repeat the rinsing operation.
•Close the drain hoses and replace.
•After descaling, reset the alarm by pressing the 
button for 10 seconds.
37 |
38 |
✔The descaler can be bought from your local De'Longhi service center. Always use original descaler. Use of other pro- ducts could damage internal components and invalidate the guarantee.
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