innovair NIN522C2V31 Service Manual page 35

Innovair Corporation
With this new technology, the display area will
show "EC" when the outdoor unit detects
refrigerant leakage.
8.4.11 Louver Position Memory Function
When starting the unit again after shutting down,
its louver will restore to the angle originally set
by the user, but the precondition is that the
angle must be within the allowable range, if it
exceeds, it will memorize the maximum angle
of the louver. During operation, if the power fails
or the end user shuts down the unit in the turbo
mode, the louver will restore to the default
angle.
8.4.12 Silence operation(optional)
Press the "silence" button on remote controller
to initiate SILENCE function. When the Silence
function is activated, the compressor running
frequency will keep lower than F2 and the
indoor unit will bring faint breeze, which will
reduce the noise to the lowest level and create
a quiet and comfortable room for you.
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