Functions - Sharp AY-A079E Service Manual

1. Temperature control characteristic
1-1 COOL operation
In the "COOL" mode, the thermostat circuit is
controlled by four thermostat lines (C1 thru C4).
34.5
33.5
32.5
31.5
20.5
19.5
18.5
17.5
18
Preset temperature (˚C)
Figure Y-1
1-2 DRY operation
In the "DRY" mode, the thermostat circuit is
controlled by three thermostat lines (D1 thru D3).
33.5
32.5
31.5
19.5
18.5
17.5
18
Preset temperature (˚C)
Figure Y-2

FUNCTIONS

1-3
C1
C2
C3
C4
32
2. Operation modes
2-1
D1
D2
D3
32
9
HEAT operation
In the "HEAT" mode, the thermostat circuit
is controlled by six thermostat lines (H01 thru
H4).
40
38
36
35
33
31
26
24
22
21
19
17
18
Preset temperature (˚C)
Figure Y-3
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.
States 1 & 3 : Compressor ON
State 2 : Compressor OFF
3
1
Room
temperature
transition
2
Preset temperature
Figure Y-4
AY/AE-A079E
AY/AE-A099E
H01
H02
H1
H2
H3
H4
32
C3
C4