AY/AE-A079E
AY/AE-A099E
13
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.
Table Y-4
15. Outputs in each operation mode
Table Y-5
16. Power on start
If the connecting wire "POWER ON" (JP8) 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
18-1 TEST 1 (For control circuit operation checking)
Make terminals 1 and 2 of connector CN4 short-
circuited and supply the power.
Hereby the timer's period becomes shortened.
In this test mode, the control times are shortend
as follows.
The operation LED flicker's period
not
in Test run shortened
The protector timer
The defrost timer
Other controls; 1/60 (ex.; 3 min. to 3 sec.)
18-2 TEST 2 (For output of each operation checking)
Keep pushing both the buttons, "AUX." and
"TEST RUN", and supply the power, the system
will go to the test 2 mode. In this mode, the
output of operation is switched by pushing the
"TEST RUN" button in the unit or the "OI" button
in the remote controller. Use the "AUX." button
to back to step 1.
Normal outputs are shown in Table Y-6 and Y-7.
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.
a.COOL operation
Room temperature
at operation start
Operation
Mode
Preset
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
23˚C
COOL
DRY
HEAT
ON
OFF
ON
OFF
ON
ON
ON
OFF
OFF
ON
ON
OFF
OFF
ON
OFF
ON
ON
ON
OFF
ON/UL/OFF
ON
ON
UL/OFF
ON
OFF
OFF
OFF
ON
L/UL
UL/D
OFF
D/OFF
OFF
ON
OFF
OFF
OFF
OFF
Mode
Compressor
Outdoor
Fan Motor
Cooling
Circulating
Normal
Preheat
Air Flow
Control
ON Defrost
FAN ONLY
Indoor
Fan Motor
Valve
Coil
C
O
O
L
H
E
A
T
D
R
Y
Cooling
Circulating
Dehumidiflying
Figure Y-13
b. HEAT operation
Figure Y-14
Room temperature
Preset temperature
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
C3
C2
C1
States 1 & 5 :"M"
States 2 & 4 : "L"
States 3 : "UL"
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
S t a t e s 1 & 7 : " H "
S t a t e s 2 & 6 : " M "
S t a t e s 3 & 5 : " L "
S t a t e s 4 : " L " / " U L " / O F F
H1
H2
1
H4
H3
6
5
4
7
2
3
