Read Sharp AH-AP24 (serv.man7) Service Manual 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)
Click on the first or last page to see other AH-AP24 (serv.man7) service manuals if exist.