Mitsubishi Electric MS-A•WA Service Technical Manual page 11

<SWING operation>
In swing operation of ECONO COOL operation mode, the initial air flow direction is adjusted to "Horizontal".
According to the temperature of indoor coil thermistor RT12 at starting of this operation, next downward blow time is
decided. Then when the downward blow has been finished, next horizontal blow time is decided.
For initial 10 minutes the swing operation is performed in table G~H for quick cooling.
Also, after 10 minutes when the difference of set temperature and room temperature is more than 3.6 degrees, the
swing operation is performed in table D~H for more cooling.
The air conditioner repeats the swing operation in various cycle as follows.
Temperature of indoor
coil thermistor RT12
A 59°F or less
59°F to 63°F
B
C 63°F to 64°F
D 64 °F to 68 °F
E 68°F to 70°F
F 70°F to 72°F
G 72°F to 75°F
H
more than 75°F
Downward blow time
(second)
2
5
8
11
14
17
20
23
11
Horizontal blow time
(second)
23
20
17
14
11
8
5
2