Microprocessor Control; Wireless Remote Controller; Indoor Unit Display Section - Mitsubishi Electric MSH09TW Service Manual

10

MICROPROCESSOR CONTROL

MSH09TW
MSH09TW -
MSH12TN
MSH12TN -
MSH15TN
MSH15TN -
MSH17TN
MSH17TN -
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.
MUH09TW
MUH09TW -
U1
MUH12TN
MUH12TN -
U1
MUH15TN
MUH15TN -
U1
MUH17TN
MUH17TN -
U1
Signal transmitting section
Operation display section
OPERATE /STOP
(ON /OFF)button
VANE CONTROL button
OPERATION SELECT button
RESET button
lighted
not lighted
Operation state
U1
MUH12TN -
U1
MUH15TN -
U1
U1
PM
AM
TOO TOO
ON/OFF
WARM COOL
TEMPERATURE buttons
TOO TOO
ON/OFF
WARM COOL
FAN SPEED CONTROL button
FAN STOP
I FEEL COOL
OFF-TIMER button
VANE START
HEAT DRY
ON-TIMER button
MODE HR.
MIN.
(TIME SET button)
RESET CLOCK
CLOCK SET button
54
MXZ30TN
MZX30TN2
U2
U2
HR. button
MIN. button
Difference between target
temperature and room
temperature
Approx. 4 ˚F or more
Approx. 4 ˚F or less