Microprocessor Control; Wireless Remote Controller - Mitsubishi Electric MFZ-KJ25VE Service Manual

9

MICROPROCESSOR CONTROL

MFZ-KJ25VE MFZ-KJ35VE MFZ-KJ50VE

WIRELESS REMOTE CONTROLLER

Operation display section
Temperature buttons
NOTE: Last setting will be stored after the unit is turned OFF with the remote controller. Indoor unit receive the signal of the
remote controller with beeps.
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
9-1. COOL ( ) OPERATION
(1) Press OPERATE/STOP (ON/OFF) button.
OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone.
(2) Select COOL mode with OPERATION SELECT button.
(3) Press TEMPERATURE buttons TEMP
1. Coil frost prevention
The compressor operational frequency is controlled by the temperature of the indoor heat exchanger to prevent the coil
from frosting.
When the temperature of indoor heat exchanger becomes too low, the coil frost prevention mode works.
The indoor fan operates at the set speed and the compressor stops. This mode continues until the temperature of indoor
heat exchanger rises.
2. Low outside temperature operation
When the outside temperature is lower, low outside temperature operation starts, and the outdoor fan slows or stops.
3. Indoor fan speed control
When the thermostat turns OFF, the indoor fan operates at the setting fan speed.
OBH666A
OPERATION SELECT button
AMPM AMPM
Operation state
The unit is operating to
reach the set temperature
The room temperature is
approaching the set tem-
perature
or
Signal transmitting section
Distance of signal :
About 6 m
Beep(s) is (are) heard from
the indoor unit when the
signal is received.
ECONO COOL button
i-save button
OPERATE/STOP
(ON/OFF) button
Indication of
remote controller
model is on back
Room temperature
About 2°C or more
away from set tempera-
ture
About 1 to 2°C from
set temperature
button to select the desired temperature. The setting range is 16 - 31°C.
11
FAN SPEED CONTROL button
VANE CONTROL button
TIME, TIMER set buttons
FORWARD button
BACKWARD button
WEEKLY TIMER
set buttons
RESET button
CLOCK button
Lid
Slide the lid down
to open the remote
controller. Slide it down
further to get to the
weekly timer buttons.
Lighted
Not lighted