AH-A129E
AU-A129E
FUNCTIONS
1. Temperature control characteristic2. Operation modes
1-1COOL operation2-1COOL operation
In the OCOOL� mode, the thermostat circuit isThe compressor turns on or off, at the
controlled by four thermostat lines (C1 thru C4).thermostat lines C3 and C4. The outdoor fan
motor is also controlled with the compressor.
34.5C1
States 1 & 3 : Compressor ON
33.5C2
State 2 : Compressor OFF
32.5C3
C3
31.5C4
C4
3
1
20.5
19.5Room
Room temperaturetemperature
18.5transition
Room temperature( C)
17.52
1832
Preset temperature(uC)Preset temperature
Figure H-1Figure H-3
1-2DRY operation2-2DRY operation
In the ODRY� mode, the thermostat circuit is On the switch on, the compressor always starts
controlled by three thermostat lines (D1 thruto operate for 2 minutes with fan speed OD�
D3).(slower than OUL�).
The microcomputer measures the room
temperature 2 minutes after this first compressor
33.5D1operation. This room temperature is set as the
32.5D2preset temperature automatically. The preset
temperature ranges from 18uC to 32uC. When
31.5D3
the room temperature is below 18uC, the preset
temperature is set to 18uC, and when the room
temperature is over 32uC, the preset
temperature is set to 32uC
19.5
Dry operation is divided into three zones
18.5(Cooling zone, Dehumidifying zone and
Room temperature( C)
Circulating zone) by thermostat lines (D1 to
17.5
D3), and the compressor and the fan motor
are controlled in each zone as shown in Table
1832
Preset temperature(uC)H-1.
States 1 & 5 : Cooling zone
Figure H-2
States 2 & 4 : Dehumidifying zone
States 3 : Circulating zone
D1
D2
5
D3
1
4
2
Room temperature
Room
temperature
3 transition
Preset temperature
Figure H-4
9 |
ACEC
