Microprocessor Control; Wireless Remote Controller; Indoor Unit Display Section - Mitsubishi Electric Mr.Slim MSZ09UN Service Manual

8

MICROPROCESSOR CONTROL

MSZ09UN
MUZ09UN
MSZ12UN
MUZ12UN
Once the operation mode are set, the same operation mode can be repeated by simply turning the OPERATE/STOP(ON/OFF)
button ON.
Indoor unit receives the signal with a beep tone.
When the system turns off, 3-minute time delay will operate to protect system from overload and compressor will not restart for
3 minutes.

WIRELESS REMOTE CONTROLLER

INDOOR UNIT DISPLAY SECTION

Operation Indicator lamp
The operation indicator located at the right side of the indoor unit indicates the operation state.
• The following indication applies regardless of shape of the indicatior.
Operation Indicator
Indication
This shows that the air conditioner is operating to reach
the target temperature.
Please wait until the target temperature is obtained.
This shows that the room temperature is
approaching the target temperature.
Signal transmitting section
Operation display section
OPERATE /STOP
(ON /OFF)button
ON/OFF
ON/OFF
VANE CONTROL button
I FEEL COOL
HEAT DRY
MODE
OPERATION SELECT button
RESET button
lighted
not lighted
Operation state
23
PM
AM
TOO TOO
WARM COOL
TEMPERATURE buttons
TOO TOO
WARM COOL
FAN SPEED CONTROL button
FAN STOP
OFF-TIMER button
VANE START
ON-TIMER button
HR.
HR. button
MIN. button
MIN.
(TIME SET button)
RESET CLOCK
CLOCK SET button
Difference between target
temperature and room
temperature
Approx. 4 ˚F or more
Approx. 4 ˚F or less