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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.
Table Y-4
Room temperature
Operation
at operation start
Mode
Above 28˚C
26˚C
28˚C
COOL
24˚C
26˚C
21˚C
24˚C
DRY
Below 21˚C
HEAT
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.
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. HEAT operation
States 1 & 7 : "HAM"
States 2 & 6 : "HM"
States 3 & 5 : "HAL"
States 4 : "HUL", "HL", OFF
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
Preset
Temperature
26˚C
25˚C
24˚C
Room temperature
at operation start
23˚C
H1
H2
H3
H4
6
Room
7
temperature
transition
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
ON
D
ON
R
Dehumidiflying
Y
Circulating
OFF
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.)
17.
AUTO RESTART
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.
19.
Plasma cluster
Plasma cluster ion mode
SSR2 : ON
Relay (Cluster unit inside) : OFF
Minus ion mode
SSR2 : ON
Relay (Cluster unit inside) : ON
1) Cluster generator checking (STEP 1)
Timer LED
(Yellow)
Judgement
Normal
(Generator OK)
23
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
ON
UL/D
ON
OFF
D/OFF
ON
OFF
Failure
(Check circuit)
AY-AP18CE AY-AP24CE
AH-AP18CE AH-AP24CE
AE-A18CE
AE-A24CE
AU-A18CE
AU-A24CE
Valve
Coil
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
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