Sharp AE-A18 (serv.man7) Service Manual ▷ View online
23
AH/AY-AP18DR
AH/AY-AP24DR
AH/AY-AP24DR
13.
Automatic air conditioning
automatic air conditioning is selected, the
operation mode and preset temperature are set
automatically according to the room temperature
on starting operation.
automatic air conditioning is selected, the
operation mode and preset temperature are set
automatically according to the room temperature
on starting operation.
Table Y-4
When DRY mode is selected by the micro
computer with AUTO operation, the fan speed
lamps on the indoor unit panel will indicate
identically with the fan speed symbols on the
remote control dispaly, as the FAN speed setting
is changed accordingly. Despite, the actual fan
speed will not change, as it is determined
automatically by the micro computer.
computer with AUTO operation, the fan speed
lamps on the indoor unit panel will indicate
identically with the fan speed symbols on the
remote control dispaly, as the FAN speed setting
is changed accordingly. Despite, the actual fan
speed will not change, as it is determined
automatically by the micro computer.
14.
Automatic fan speed
When the automatic fan speed is selected in cool
or heat operation, the fan speed is automatically
changed by the thermostat lines C1 to C3 in cool
operation, and H1 to H4 in heat operation.
When the automatic fan speed is selected in cool
or heat operation, the fan speed is automatically
changed by the thermostat lines C1 to C3 in cool
operation, and H1 to H4 in heat operation.
Figure Y-13
Figure Y-14
15.
Outputs in each operation mode
Table Y-5
16.
Power on start
If the connecting wire JP5 is shorten on the PWB
ass'y, when the power is supplied by turning on a
circuit breaker, the air conditioner automatically
starts of operation in "AUTO".
(Refer to Figure L-5. ~ L-8. Printed Wiring Board.)
If the connecting wire JP5 is shorten on the PWB
ass'y, when the power is supplied by turning on a
circuit breaker, the air conditioner automatically
starts of operation in "AUTO".
(Refer to Figure L-5. ~ L-8. Printed Wiring Board.)
17.
AUTO RESTART
Power failure occurs during operation, the unit will
restart in the same operation mode as before after
power recovery.
Power failure occurs during operation, the unit will
restart in the same operation mode as before after
power recovery.
18.
Test mode
Keep pushing the "AUX." buttons and supply the
power, the system will go to the test mode. In this
mode, the output of operation is switched by
pushing the "AUX." button in the unit or the "OI"
button in the remote controller. Normal outputs
are shown in Table Y-6 and Y-7.
Keep pushing the "AUX." buttons and supply the
power, the system will go to the test mode. In this
mode, the output of operation is switched by
pushing the "AUX." button in the unit or the "OI"
button in the remote controller. Normal outputs
are shown in Table Y-6 and Y-7.
19.
Plasma cluster
Plasma cluster ion mode
SSR2 : ON
Relay (Cluster unit inside) : OFF
Plasma cluster ion mode
SSR2 : ON
Relay (Cluster unit inside) : OFF
Minus ion mode
SSR2 : ON
Relay (Cluster unit inside) : ON
SSR2 : ON
Relay (Cluster unit inside) : ON
Room temperature
at operation start
at operation start
Operation
Mode
Mode
Preset
Temperature
Temperature
Above 28˚C
Below 21˚C
26˚C
26˚C 28˚C
24˚C 26˚C
21˚C 24˚C
25˚C
24˚C
Room temperature
at operation start
at operation start
23˚C
COOL
DRY
HEAT
Room temperature
Preset temperature
R o o m
t e m p e r a t u r e
t e m p e r a t u r e
t r a n s i t i o n
C3
C2
C1
S t a t e s 1 & 5 : " C A H "
S t a t e s 2 & 4 : " C M "
S t a t e s 3 : " C A L "
S t a t e s 2 & 4 : " C M "
S t a t e s 3 : " C A L "
a . C O O L o p e r a t i o n
3
4
5
1
2
Room temperature
P r e s e t t e m p e r a t u r e
R o o m
t e m p e r a t u r e
t r a n s i t i o n
t e m p e r a t u r e
t r a n s i t i o n
S t a t e s 1 & 7 : " H A M "
S t a t e s 2 & 6 : " H M "
S t a t e s 3 & 5 : " H A L "
S t a t e s 4 : " H U L " , " H L " , O F F
S t a t e s 2 & 6 : " H M "
S t a t e s 3 & 5 : " H A L "
S t a t e s 4 : " H U L " , " H L " , O F F
H1
H2
1
H4
H3
6
5
4
7
2
3
b . H E A T o p e r a t i o n
ON
OFF
ON
OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
ON
OFF
ON
ON
ON
OFF
ON/UL/OFF
ON
ON
UL/OFF
ON
OFF
OFF
OFF
ON
ON
ON
L/UL
UL/D
OFF
D/OFF
OFF
OFF
OFF
Mode
Compressor
Outdoor
Fan Motor
Cooling
Circulating
Normal
Preheat
Air Flow
Control
Air Flow
Control
ON Defrost
Indoor
Fan Motor
Valve
Coil
C
O
O
O
O
L
H
E
A
E
A
T
D
R
Y
R
Y
Cooling
Circulating
Dehumidiflying
Timer LED
(Yellow)
(Yellow)
ON
OFF
Judgement
Normal
(Generator OK)
(Generator OK)
Failure
(Check circuit)
(Check circuit)
1) Cluster generator checking (STEP 1)
AH/AY-AP18DR
AH/AY-AP24DR
AH/AY-AP24DR
24
Table Y-6
AY-AP24DR
7
~
42˚C
ON
-2
~
45˚C
ON
~
7˚C , 42˚C
~
OFF
~
-2˚C , 45˚C
~
OFF
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
~
0.1V , 4.9V
~
OFF
ON
AN3( 1)
0.1V
~
4.9V
~
0.1V , 4.9V
~
OFF
ON
0.1V
~
4.9V
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
ON
OFF
OFF
ON
ON
OFF
AH-AP24DR
7
~
42˚C
ON
-2
~
45˚C
ON
~
7˚C , 42˚C
~
OFF
~
-2˚C , 45˚C
~
OFF
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
ON
OFF
ON
OFF
ON
ON
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
OFF
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
2
ON
0
1
FEED BACK CIRCUIT
OFF
ON
OFF
ON
ON
OFF
EEPROM VERSION(LOWER 4bit)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
Indoor
Fan
CLOSE
OFF
OFF
1000
rpm
Louver
OFF
OPEN
OPEN
OFF
OFF
OFF
Outdoor
fan
4-way
valve
OFF
OFF
Compressor
OFF
ON
Micro SW
EEPROM
81
OFF
OFF
1
OFF
OFF
ON
1
1
1
3
Lamps
OFF
ON
ON
FAN SOFT
FAN LOW
RED
YELLOW
Room temp.
Pipe temp.
STEP
No
Buzzer
7
4
6
5
2
1
1
1
Pipe 1
Pipe 2
Power On Start(JP5)
Wireless(JP4)
Sweat(JP3)
Hot Keep(JP2)
FLICK
DEICE 1
DEICE 2
OFF
OFF
BLUE
GREEN
OFF
OFF
OFF
OFF
OFF
Cluster(JP19)
Dry Fan(JP11)
Heating mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
EEPROM VERSION(UPPER 4bit)
ON
ON
CT INPUT(AN2 input voltage)
MODEL SELECTION(AN4 input voltage)
OFF
FAN HIGH
FAN AUTO
ON
BLUE
CLUSTER
OFF
OFF
Louver Collection(AN5 input voltage)
Cooling mode FAN speed Collection(AN6 input voltage)
Cluster
Power
Selector
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
FAN HIGH
FAN AUTO
Cluster
STEP
No
Buzzer
Lamps
RED
YELLOW
FAN SOFT
FAN LOW
CLUSTER
Power
Selector
OFF
Outdoor
Indoor
Fan
Louver
BLUE
OFF
OFF
OPEN
OFF
02
Room temp.
Pipe temp.
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
EEPROM VERSION(UPPER 4bit)
OFF
81
OFF
OFF
OFF
OFF
OFF
EEPROM VERSION(LOWER 4bit)
OFF
OFF
OFF
OFF
OFF
OFF
11
FEED BACK CIRCUIT
CT INPUT(AN2 input voltage)
BLUE
ON
OFF
ON
1000
rpm
OFF
OFF
OPEN
FLICK
21
Power On Start(JP5)
Wireless(JP4)
MODEL SELECTION(AN4 input voltage)
GREEN
ON
ON
OFF
31
Hot Keep(JP2)
Out Fan(JP18)
TEST(JP8)
Cluster(JP19)
Dry Fan(JP11)
OFF
OFF
41
DEICE 2
Louver Collection(AN5 input voltage)
OFF
OFF
OFF
OFF
OFF
51
Pipe 2
Cooling mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
61
EEPROM
Micro SW
Heating mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
ON
71
OFF
CLOSE
OFF
OFF
OFF
OFF
OFF
OFF
OFF
AN3( 1)
25
AH/AY-AP18DR
AH/AY-AP24DR
AH/AY-AP24DR
Table Y-7
AY-AP18DR
7
~
42˚C
ON
-2
~
45˚C
ON
~
7˚C , 42˚C
~
OFF
~
-2˚C , 45˚C
~
OFF
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
AH-AP18DR
7
~
42˚C
ON
-2
~
45˚C
ON
~
7˚C , 42˚C
~
OFF
~
-2˚C , 45˚C
~
OFF
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
0.3V
~
4.5V
ON
~
0.3V , 4.5V
~
ON
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
~
0.3V , 4.5V
~
OFF
0.3V
~
4.5V
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
BLUE
Out Fan(JP18)
TEST(JP8)
Cluster(JP19)
Dry Fan(JP11)
31
Sweat(JP3)
Hot Keep(JP2)
OPEN
21
Power On Start(JP5)
Wireless(JP4)
MODEL SELECTION(AN4 input voltage)
GREEN
ON
ON
OFF
ON
OFF
ON
1000
rpm
OFF
ON
OFF
ON
OFF
OFF
CT INPUT(AN2 input voltage)
BLUE
ON
OFF
11
FEED BACK CIRCUIT
AN3( )
1
FLICK
OFF
OFF
OFF
OPEN
OFF
OFF
OFF
ON
ON
ON
ON
Compressor
02
Room temp.
Pipe temp.
Indoor
Fan
Louver
FAN HIGH
FAN AUTO
CLUSTER
Outdoor
fan
4-way
valve
Power
STEP
No
Buzzer
Lamps
Cluster
Selector
RED
YELLOW
FAN SOFT
FAN LOW
OFF
41
DEICE 1
DEICE 2
Louver Collection(AN5 input voltage)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
51
Pipe 1
Pipe 2
Cooling mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
ON
OFF
OFF
OFF
61
EEPROM
Micro SW
Heating mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
71
OFF
OFF
EEPROM VERSION(UPPER 4bit)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
81
OFF
OFF
CLOSE
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
EEPROM VERSION(LOWER 4bit)
STEP
No
Buzzer
Lam
p
s
Cluster
Outdoor
Indoor
Fan
Louver
RED
YELLOW
FAN SOFT
FAN LOW
FAN HIGH
FAN AUTO
CLUSTER
Power
Selector
02
Room temp.
Pipe temp.
ON
ON
ON
ON
BLUE
OFF
OFF
OFF
OFF
OPEN
11
FEED BACK CIRCUIT
CT INPUT(AN2 input voltage)
BLUE
ON
OFF
ON
1000
rpm
OFF
OFF
OFF
OPEN
FLICK
21
Power On Start(JP5)
Wireless(JP4)
MODEL SELECTION(AN4 input voltage)
GREEN
ON
ON
OFF
31
Sweat(JP3)
Hot Keep(JP2)
Out Fan(JP18)
TEST(JP8)
Cluster(JP19)
Dry Fan(JP11)
OFF
OFF
OFF
OFF
41
DEICE 1
DEICE 2
Louver Collection(AN5 input voltage)
OFF
OFF
OFF
OFF
51
Pipe 1
Pipe 2
Cooling mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
OFF
OFF
61
EEPROM
Micro SW
Heating mode FAN speed Collection(AN6 input voltage)
OFF
OFF
OFF
OFF
OFF
ON
71
OFF
OFF
EEPROM VERSION(UPPER 4bit)
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
81
OFF
OFF
CLOSE
OFF
OFF
OFF
OFF
OFF
OFF
EEPROM VERSION(LOWER 4bit)
0.1V
~
4.9V
ON
-0.1V , 4.9V
~
OFF
OFF
ON
OFF
OFF
ON
ON
ON
OFF
ON
ON
ON
ON
ON
OFF
ON
OFF
ON
ON
ON
ON
OFF
ON
ON
ON
ON
ON
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
ON
ON
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
ON
ON
ON
AN3( 1)
0.1V
~
4.9V
ON
-0.1V , 4.9V
~
OFF
AH/AY-AP18DR
AH/AY-AP24DR
AH/AY-AP24DR
26
20.
Diagnosis procedure
When indoor fan motor is out of order or compressor lock occurs, the compressor, indoor fan motor, outdoor
fan motor, and louver are all stopped and the operation LED(red) turns on or off synchronously with the timimg
of the timer LED.
When the thermistor for room temperature or pipe temperature is open or short state, the operation LED turns
on or off synchronously with the timing of the timer LED by pushing continously for more than 5 seconds
"AUX." button during suspension of operation.
When indoor fan motor is out of order or compressor lock occurs, the compressor, indoor fan motor, outdoor
fan motor, and louver are all stopped and the operation LED(red) turns on or off synchronously with the timimg
of the timer LED.
When the thermistor for room temperature or pipe temperature is open or short state, the operation LED turns
on or off synchronously with the timing of the timer LED by pushing continously for more than 5 seconds
"AUX." button during suspension of operation.
Timing chart of Timer LED and Operation LED of DIAGNOSIS PROCEDURE.
When "OI" button the remote controller or "AUX." button in the unit is pushed, the unit is free from
DIAGNOSIS PROCEDURE.
When "OI" button the remote controller or "AUX." button in the unit is pushed, the unit is free from
DIAGNOSIS PROCEDURE.
When the louver unit is not properly installed, all lamps on the indicator panel will blink, operation are all stop
and Remote signal is not accept.
and Remote signal is not accept.
Indoor
fan motor
fan motor
Comp.-lock
Thermistor
short state
short state
Thermistor
open state
open state
Timer
LED
LED
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Operation
LED
LED
Operation
LED
LED
Operation
LED
LED
Operation
LED
LED
1sec.
1sec.
4sec.
Display
