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SiBE121123_A
Function of RA Indoor Unit
Function and Control
58
When setting the airflow selection switch to
.
The air conditioner automatically decides the appropriate blowing pattern depending on the
operating mode / situation.
• During Dry operation, air is blown upper air outlet, so that cold air does not come into direct
contact with people.
When setting the airflow selection switch to
.
Regardless of the operating mode or situation, air is blown from the upper air outlet.
Use this switch when you do not want air coming out of the lower air outlet. (e.g., while
sleeping)
1.5
Fan Speed Control for Indoor Unit
Outline
Phase control and fan speed control contains 9 steps: LLL, LL, SL, L, ML, M, MH, H, and HH.
The airflow rate can be automatically controlled depending on the difference between the room
thermistor temperature and the target temperature. This is done through phase control and Hall
IC control.
For more information about Hall IC, refer to the troubleshooting for fan motor on page 161, 164.
Automatic Fan
Speed Control
In automatic fan speed operation, the step “SL” is not available.
= The airflow rate is automatically controlled within this range when the FAN setting
button is set to automatic.
Operating mode
Situation
Blowing pattern
Cooling operation
• When the room has become fully
cool, or when 1 hour has passed
since turning on the air
conditioner.
• Air is blown from the upper air
outlet,
so that air does not come
into direct contact with people,
and room temperature is
equalized.
• At the start of operation or when
the room is not fully cooled.
• Air is blown from the upper and
lower air outlets for high speed
cooling during cooling operation,
and for filling the room with warm
air during heating operation.
Heating operation
• Normal time
• At the start or when air
temperature is low.
• Air is blown from the upper air
outlet, so that air does not come
into direct contact with people.
(R17867)
Wall Mounted Type
Floor Standing Type
Floor / Ceiling Suspended Dual Type
Duct Connected Type
Step
Cooling
Heating
Cooling
Heating
LLL
LL
L
ML
M
MH
H
HH (POWERFUL)
(R11681)
(R6834)
(R6833)
(R6834)