Fan Speed Control For Indoor Unit - Daikin 2MXS40H2V1B Service Manual

SiBE121123_A
When setting the airflow selection switch to
• During Dry operation, air is blown upper air outlet, so that cold air does not come into direct
When setting the airflow selection switch to
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 In automatic fan speed operation, the step "SL" is not available.
Speed Control
LLL
LL
L
ML
M
MH
H
HH (POWERFUL)
Function and Control
The air conditioner automatically decides the appropriate blowing pattern depending on the
operating mode / situation.
Operating mode
Cooling operation
Heating operation
contact with people.
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)
Step
= The airflow rate is automatically controlled within this range when the FAN setting
button is set to automatic.
.
Situation
• When the room has become fully
cool, or when 1 hour has passed
since turning on the air
conditioner.
• At the start of operation or when
the room is not fully cooled.
• Normal time
• At the start or when air
temperature is low.
.
Wall Mounted Type
Floor Standing Type
Cooling Heating
(R11681)
Function of RA Indoor Unit
Blowing pattern
• Air is blown from the upper air
outlet, so that air does not come
into direct contact with people,
and room temperature is
equalized.
• 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.
• Air is blown from the upper air
outlet, so that air does not come
into direct contact with people.
Floor / Ceiling Suspended Dual Type
Duct Connected Type
Cooling
(R6834)
(R6833)
(R17867)
Heating
(R6834)
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