1-6
CAUTION
Be sure to make the zero-point adjustment of the ventilation cover (if the ventilation
amount is not more than 80 m
3
/h) at each PTI.
<Zero point adjustment procedure>
While the unit is running, move the ventilation port to a fully closed position manually to
set the ventilation port to "closed state" (i.e., CLOSE setting mode), thus making
automatic zero-point adjustment of ventilation amount through the difference from that at a
position for the ventilation port to start port.
Use the
or
key while in manual check
selection mode to set the ventilation port to
CLOSE setting mode (in which the LCD screen
displays "FA CAL". Then, press the
key, and
the current value of sensor sliding amount will be
displayed.
Pressing and holding the
key for a period of 3
seconds while the sliding amount is displayed will
make it possible to reset the sliding amount to "0".
Ventilation port
CLOSE setting
Condenser fan
motor
operating time
Controller
software version
COMP.
DEFROST IN RANGE
DE-HUMID.
SUPPLY
RETURN
ALARM
R.H.
Press and hold
the key for
a period of 3
seconds.
※
Caution for lower ventirator opening
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