AH-M098 - Sharp Air Conditioner Service Manual (repair manual). Page 10

10

Fan speeds are given by the indoor fan motor, “M”
(fastest), “L”, and “UL”, which are available in the
following operation mode.

FAN Switch

 COOL

FAN ONLY

HIGH

M

M

LOW

L

L

SOFT

UL

UL

Room temperature(C˚)

Preset temperature(C˚)

Room 
temperature
transition

D3

D2

D1

States 1 & 5 : Cooling zone
States 2 & 4 : Dehumidifying zone
State 3 : Circulating zone

4

5

3

1

2

Compressor Fan

Speed

Cooling zone

ON

“UL”

Dehumidifying

ON

“D”

zone

Circulating zone

OFF

“D” or OFF

2-3

Operation FAN ONLY
The indoor fan motor always turns on.

When the indoor pipe temperature falls below -1˚C
during cool operation or dry operation, the compressor
is stopped.

If the “TEST RUN” button in the unit is pushed during
suspension of operation, cool test operation starts.
At this time, the fan speed is set to “AUTO”. If this
button is pushed during operation, the test operation
starts in current operation mode.
The operation LED (red) flickers during test run.
In the mode cool continuous (compressor ON)
operation is performed. In the mode  dry operation os
in the operation dehumidifying zone. In the fan only
mode the indoor fan only mode the indoor fan motor
runs continuously.