Main Functions Si18-201
86 Main Functions
Clean the Front
Grille.
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You may wipe it with a soft cloth soaked in water.
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Only neutral detergent may be used.
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You may wash the grille with water. After washing, dry it with cloth, then dry it up in the
shade.
Attach the Front
Grille.
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Set the 3 keys of the front grille into the slots and push them in all the way.
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Supporting the front grille with one hand, fit the lock by sliding up the knob with the other
hand.
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Close the front grille slowly in this state. (Push the grille at the 3 points, two at both sides and
in the middle).
Caution
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When removing or attaching the front grille, use a robust and stable stool and watch your
steps carefully.
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When removing or attaching the front grille, support the grille securely with a hand to prevent
it from falling.
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For cleaning, do not use water hotter than 40ºC, benzine, gasoline, thinner, nor other volatile
oils, polishing compound, scrubbing brushes nor other hard stuff.
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After cleaning, make sure that the front grille is securely fixed.
1.1.11 Filter Cleaning Indicator
For FTK, FTX50/
60 H Series Only
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The filter check indicator located at the center of the unit will indicate the time for
cleaning the air filters.
The indicator will indicate an appropriate cleaning time depending on the environment (dusty
place or not). This will prevent you from forgetting filter cleaning and also prevent performance
drop that might be caused by using clogged filters and wasteful use of electricity by
approximately 8%.
Contents of
Indication
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Sensed by the operation hours and the fan motor voltage
Indicates the earlier one of the above 1) or 2).
*This indicator utilizes the characteristic that the fan motor voltage drops as the crossflow fan
gets clogged; it does not detects the amount of filter clogging.
Note:
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When the power supply is reset, the accumulated operation hour is also reset.
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After cleaning and mounting the filters, press the reset button located inside the panel of the
unit.