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Sharp AH-A07BE Service Manual page 21

Split system room air conditioners
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13. Automatic air conditioning
When automatic air conditioning is selected, the
operation mode and preset temperature are set
automatically according to the room temperature on
starting operation.
When DRY mode is selected by the micro computer
Room temperature
at operation start
Above 28˚C
26˚C
28˚C
24˚C
26˚C
21˚C
24˚C
Below 21˚C
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 spped 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.
Figure Y-13
b . H E A T o p e r a 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
4
3
5
2
1
P r e s e t t e m p e r a t u r e
Figure Y-14
Table Y-4
Operation
Preset
Mode
Temperature
26˚C
COOL
25˚C
24˚C
DRY
Room temperature
at operation start
HEAT
23˚C
H1
H2
H3
H4
6
R o o m
7
t e m p e r a t u r e
t r a n s i t i o n
15. Outputs in each operation mode
Compressor Outdoor
Mode
C
ON
Cooling
O
O
OFF
Circulating
L
Normal
ON
OFF
H
E
Preheat
A
ON
Air Flow
T
Control
ON
ON Defrost
Cooling
D
ON
Dehumidiflying
R
Y
Circulating
OFF
16. Power on start
If the connecting wire "POWER ON" (JP16) is cut 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-2. Printed Wiring Board.)
17. AUTO RESTART
Power failure occurs during operation, the unit will
retart in the same operation mode as before after
power recovery.
(Refer to Figure L-2. Printed Wiring Board.)
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.
21
Table Y-5
Indoor
Fan Motor
Fan Motor
ON
ON
OFF
ON
ON
ON
OFF
ON/UL/OFF
ON
UL/OFF ON
OFF
OFF
L/UL
UL/D
ON
OFF
D/OFF
AH-A07BE-C/09BE-C
AH-A07BE/09BE/12BE
AY-A07BE-C/09BE-C
AY-A07BE/09BE/12BE
Valve
Coil
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF

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