Button Lock; Filter Clean Reset; Clock Set - Hitachi HCWA21NEWH Installation And Operation Manual

Function set

Button lock

After the wired controller setting is completed, lock buttons to
avoid wrong operation by children and others. User settings
are overwritten with lock function. All operations are disabled
after button lock function has been set.
How to activate:
" and " " buttons simultaneously for 5s to activate button lock function, and icon
Press and hold "
displayed on the LCD.
How to cancel:
Press and hold "
the LCD.

Filter clean reset

(available for models equipped with filter clean
When is displayed on LCD, indicates that the filter needs
to be cleaned.
Please contact professional staff to perform cleaning.
After cleaning, press and hold "
:
FILTER CLEAN screen prompt is only available for some models. For details, please refer to indoor unit manuals.
Be sure to stop the operation and turn off the power supply before performing any cleaning.

Clock set

When the clock value is not consistent with the actual time, the clock shall be set.
Setting method:
Press and hold "
enter clock set mode. Set the clock in the following
sequence:
Minute Minute
1
Press " /
press " " button to set next item.
2
Set HOUR/WEEKDAY by the same method as setting MINUTE.
3
Press " " button or wait for 30s without operation to confirm.
" and " " buttons simultaneously for 5s again to unlock, and icon
function; only professional staff should operate this function.）
prompt
" and "
" button repetitively until icon
Hour
Weekday
" button to select the desired Minute,
" button for 5s to reset warning prompt.
blinks to
12
will be
will disappear from