AY/AE-A079E
AY/AE-A099E
9
FUNCTIONS
1. Temperature control characteristic
1-1
COOL operation
In the “COOL” mode, the thermostat circuit is
controlled by four thermostat lines (C1 thru C4).
1-3
HEAT operation
In the “HEAT” mode, the thermostat circuit
is controlled by six thermostat lines (H01 thru
H4).
Figure Y-1
1-2
DRY operation
In the “DRY” mode, the thermostat circuit is
controlled by three thermostat lines (D1 thru D3).
Figure Y-3
2. Operation modes
2-1
COOL operation
The compressor turns on or off, at the thermostat
lines C3 and C4. The outdoor fan motor is also
controlled with the compressor.
Figure Y-4
Figure Y-2
Preset temperature (˚C)
H4
H3
H2
H1
H02
H01
17
19
21
22
24
26
31
33
35
36
38
40
18
32
Room temperature(˚C)
Room temperature
Preset temperature
Room
temperature
transition
C3
C4
States 1 & 3 : Compressor ON
State 2 : Compressor OFF
1
2
3
18
32
C1
C2
C3
C4
17.5
18.5
19.5
20.5
31.5
32.5
33.5
34.5
Preset temperature (˚C)
Room temperature (˚C)
Room temperature(˚C)
Preset temperature (˚C)
18
32
D1
D2
D3
17.5
18.5
19.5
31.5
32.5
33.5
