Microprocessor Control - Mitsubishi Electric MSZ-A09NA Series Service Manual

11

MICROPROCESSOR CONTROL

MSZ-A09NA MSZ-A12NA MSZ-A15NA MSZ-A17NA MSZ-A24NA
MSY-A15NA MSY-A17NA MSY-A24NA MSZ-GA24NA MSY-GA24NA
WIRELESS REMOTE CONTROLLER
Signal transmitting section
Operation display section
ON/OFF (operate/
stop) button
(This diagram shows an overall view.)
(This diagram shows an overall view.)
Once the operation mode is set, the same operation mode can be repeated by simply turning OPERATE/STOP (ON/OFF) but-
ton 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.
INDOOR UNIT DISPLAY SECTION
Operation Indicator lamp
The operation indicator at the right side of the indoor unit indicates the operation state.
•The following indication applies regardless of shape of the indication.
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.
This shows a state of standby for operation.
(For multi system air conditioner)
These pictures show MSZ-A24.
Temperature buttons
Indication of
remote controller
model is on back
NOTE
Use the remote controller
provided with the unit only.
Do not use other remote
controller.
Operation state
(This diagram shows an overall view.)
VANE button
(Horizontal vane button)
Operation select button
ECONO COOL button
WIDE VANE button
(V ertical vane button)
(MSZ-A24, MSY-A24)
POWERFUL button
RESET button
Difference between
target temperature
and room temperature
Approx. 4°F or more
Approx. 4°F or less
—
42
Fan speed control button
Off-timer button
On-timer button
TIME set buttons
Forward button
Backward button
CLOCK set button
Lighted
Blinking
Not lighted