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Item
10. ECO
operation
Operation flow and applicable data, etc.
When pushing [ECO] button on the remote controller, a quiet
and mild operation is performed by reducing the fan speed and
the compressor speed.
<Cooling operation>
This function operates the air conditioner with the difference
between the set and the room temperature as shown in the
following figure.
The time correction is performed for 8 minutes each. (However,
the first correction is performed 150 seconds after start of the
operation.)
Description
<Cooling operation>
1) The room temperature (Tao) at
the start time of DRY operation
is detected.
2) According to difference between
the room temperature and the
set temperature (Tsc), the
operation starts with the condi-
tions shown in the left figure.
Set temp.
(Tsc) = Set temp. on remote
controller (Ts) + (0.0 to 1.0)
3) If the room temperature is down
by 2°C or more, turn off the
compressor.
<Heating operation>
1) The indoor fan speed is con-
trolled within W7 as maximum
value.
2) Setting the compressor speed to
Max. αHz, the temperature zone
in which the operation can be
performed with Max. 16Hz is
gradually widened after 30
minutes passed when starting
ECO operation.
3) The louver position is set
horizontally (Standard cooling
position) when the room tem-
perature comes close to the set
temperature or when 25 minutes
passed after starting ECO
operation.
30 minutes
A
B
C
A
B
C
→ Time Compressor
speed
0Hz
A zone
16Hz
B zone
16 to αHz
C zone
αHz
Time correction
+ 1
± 0
–1 zone: min 1
Fan
L+ (W7)
L (W6)
L– (W5)
UL (W4)
Frequency
DRY max
*12
*11
*10
*9
*8
COOL min
OFF
Zone
12
11
10
9
8
7
6
5
4
3
2
1
0
TA
[˚C]
+4.0
+3.5
+3.0
+2.5
+2.0
+1.5
+1.0
+0.5
TSC
–0.5
–1.0
–2.0
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–4.0
–5.0
–6.0
–7.0
–8.0
–9.0
–10.0
–11.0
* 12 (DRY max - COOL min) /6 x 5 + COOL min
* 11 (DRY max - COOL min) /6 x 4 + COOL min
* 10 (DRY max - COOL min) /6 x 3 + COOL min
* 9 (DRY max - COOL min) /6 x 2 + COOL min
* 8 (DRY max - COOL min) /6 x 1 + COOL min
(Room temp. – Set temp.)
M14EAV-E
α
M18EAV-E
60 Hz 50 Hz
<Heating operation>