Read Sharp AE-A24 (serv.man7) Service Manual online
AH/AY-AP18DR
AH/AY-AP24DR
AH/AY-AP24DR
20
2-2
DRY operation
On the switch on, the compressor always starts to
operate for 2 minutes with fan speed "DL" .
The microcomputer reads the room temperature 2
minutes after this first compressor operation.
This room temperature is set as the preset
temperature automatically.
The preset temperature ranges from 18˚C to
32˚C. When the room temperature is below 18˚C,
the preset temperature is set to 18˚C, and when
the room temperature is over 32˚C, the preset
temperature is set to 32˚C.
Dry operation is divided into three zones (Cooling
zone, Dehumidifying zone and Circulating zone)
by thermostat lines (D1 to D3), and the
compressor and the fan motor are controlled in
each zone as shown in Table Y-1.
On the switch on, the compressor always starts to
operate for 2 minutes with fan speed "DL" .
The microcomputer reads the room temperature 2
minutes after this first compressor operation.
This room temperature is set as the preset
temperature automatically.
The preset temperature ranges from 18˚C to
32˚C. When the room temperature is below 18˚C,
the preset temperature is set to 18˚C, and when
the room temperature is over 32˚C, the preset
temperature is set to 32˚C.
Dry operation is divided into three zones (Cooling
zone, Dehumidifying zone and Circulating zone)
by thermostat lines (D1 to D3), and the
compressor and the fan motor are controlled in
each zone as shown in Table Y-1.
Table Y-1
2-3
Heat operation
The compressor turns on or off, at State 2 , turns on
continuously at State 1 & 3 .
continuously at State 1 & 3 .
Figure Y-5
Figure Y-6
3.
Fan speed
Fan speeds are given by the indoor fan motor, "DL"~"HH" which are available in the following operation mode.
Fan speeds are given by the indoor fan motor, "DL"~"HH" which are available in the following operation mode.
Table Y-2
Fan switch
DL
Fan speed
Fan switch (AUTO)
18DR TYPE
AY
AH
AY
AH
(r.p.m.)
750
750
830
830
780
780
860
860
820
820
960
960
840
840
980
980
940
940
1030
1030
1000
1000
1120
1120
1050
1050
1210
1210
720
730
840
930
870
960
940
1080
1010
1150
1050
1210
24DR TYPE
DH
DRY
COOL
CL
COOL SOFT
CAL
CM
COOL LOW
CAH
CH
COOL HIGH
HUL
HL
HEAT SOFT
HEAT
HAL
HM
HEAT LOW
HAH
HH
HEAT HIGH
Room temperature
Preset temperature
Room
temperature
transition
temperature
transition
D3
D2
D1
States 1 & 5 : Cooling zone
States 2 & 4 : Dehumidifying zone
States 3 : Circulating zone
States 2 & 4 : Dehumidifying zone
States 3 : Circulating zone
3
4
5
1
2
Room temperature
Preset temperature
Room
temperature
transition
temperature
transition
States 1 & 3 : Compressor ON
States 2 : Compressor OFF/(ON)
(Hot-keep function)
States 2 : Compressor OFF/(ON)
(Hot-keep function)
H1
H2
3
1
2
Compressor
Cooling zone
Dehumidifying zone
Circulating zone
Fan speed
ON
"DH"
"DL"
"DL" or OFF
ON
OFF
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