31
Maintenance
Filter replacement
■
Filter performance
Product No.
Filtering material
Hollow fiber film
Removable substance
Fine particles of 0.1 micrometers or larger
(such as saprophytic bacteria, red rust)
Nonwoven fabric
Coarse contaminant
Granular active carbon
Fibrous active carbon
Free residual chlorine, total trihalomethane, soluble lead,
CAT (agricultural chemicals), 2-MIB (moldy odor),
tetrachloroethylene etc.
FW-20CM
●
Usable passing water amount: 8,000L (Filter capacity)
●
Usable period: Maximum 730 days (Approximately 2 years, recommended maximum useable
period in consideration of hygiene)
Rough standard for filter replacement period.
・
If 20 liters are used per day
:
Approximately 1 year
※
The rough standard for use depends on your water quality.
If you are concerned approximately an odor or if the water amount significantly decreases,
consider that it is time to replace the filter even if the filter replacement lamp does not light up.
Change filter lamp
●
LCD monitor
281 liters or more
280 liters or less
0 liters
15 days or more
(no notification)
Off
Before 14 to 1 day
Flashing (*1)
It is almost time to
replace.
Prepare for replacement.
0 days
Lit (*2)
Please replace
the filter.
Usable passing water amount
(remaining amount)
Number of usable days
(number of remaining days)
Filter replacement lamp
■
Filter replacement period
Filter replacement period is indicated by the LCD monitor and the “Change filter” lamp.
(Refer to the following table)
When the “Change filter” lamp lights up, the buzzer sounds after use to inform that replacement
is necessary.
Buzzer sound informing filter replacement period
When it is time to replace the filter, the “Change filter” lamp lights up and the buzzer sounds to
inform replacement is necessary after each use (for 10 seconds). This buzzer to inform that
replacement is necessary can be stopped by holding the screen display button for 2 seconds or
longer while the buzzer sounds. When returning to the replacement informing state by the buzzer,
remove the power plug from the power outlet once and insert again.
※
Pressing the “Change filter reset” button after replacement of the filter returns to the replacement
informing state by the buzzer.
●
■
Filter life (Lighting condition of Change filter lamp)
※
The “Change filter” lamp lights up when either of the usable passing water amount or the number
of usable days becomes “0” first.
continued
*1 The lamp flashes for approximately 30 minutes while passing water and after stopping water.
*2 The lamp is always lit while water is passed and during standby.
Summary of Contents for HWP-77EN
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