Operation; Switching The Unit On/Off; Mode Select; Selecting A Temperature - Mitsubishi Electric PLH18 AK Series Operation Manual

2. Operation

CHECK TEST
COOL
˚F
RUN
MODEL
˚C
DRY
SELECT
STOP AMPM
AUTO
FAN
SWING
FAN
START AMPM
HEAT CENTRALLY CONTROLLED
NOT AVAILABLE
DRY COOL
ON/OFF TEMP
AUTO FAN
1
HEAT
STAND BY
DEFROST
FAN AUTO STOP
MODE VANE AUTO START
MODE
CHECK LOUVER h
TEST RUN min
SET RESET CLOCK
REMOTE CONTROLLER
C B
B
COOL CHECK TEST
RUN ˚F
MODEL
DRY ˚C
SELECT
STOP AMPM
AUTO
FAN
SWING
FAN
START AMPM
CENTRALLY CONTROLLED
HEAT
NOT AVAILABLE
DRY COOL
ON/OFF TEMP
AUTO FAN
HEAT
STAND BY
DEFROST
FAN AUTO STOP
MODE VANE AUTO START
C
MODE
CHECK LOUVER h
TEST RUN min
SET RESET CLOCK
REMOTE CONTROLLER
1
A
CHECK TEST
COOL
˚F
RUN
MODEL
˚C
DRY
SELECT
STOP AMPM
AUTO
FAN
SWING
FAN
START AMPM
HEAT
CENTRALLY CONTROLLED
NOT AVAILABLE
DRY COOL
ON/OFF TEMP
AUTO FAN
HEAT
STAND BY
1
DEFROST
FAN AUTO STOP
MODE VANE AUTO START
MODE
CHECK LOUVER h
TEST RUN min
SET RESET CLOCK
REMOTE CONTROLLER
A
TEST
COOL CHECK
RUN ˚F
MODEL
DRY ˚C
SELECT
STOP AMPM
AUTO
FAN
SWING
FAN
START AMPM
HEAT CENTRALLY CONTROLLED
NOT AVAILABLE
DRY COOL
ON/OFF TEMP
AUTO FAN
HEAT
STAND BY
DEFROST
FAN AUTO STOP
1
MODE VANE AUTO START
MODE
CHECK LOUVER h
TEST RUN min
SET RESET CLOCK
REMOTE CONTROLLER
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ON/OFF –
SWING
˚F
TIMER OFF TIMER CLOCK AUTO AUTO
FAN
CHECK SET TEMP. START STOP
SPEED AUTO FILTER
RETURN
CHECK MODE
˚F
NOT AVAILABLE TEST RUN
TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER
AIR SWEEP CHECK
SET TEMP. TIMER SET
TEST RUN
ON/OFF –
SWING
˚F
TIMER OFF TIMER CLOCK AUTO AUTO
FAN
CHECK SET TEMP. START STOP FILTER
SPEED AUTO
RETURN
CHECK MODE
˚F
NOT AVAILABLE TEST RUN
TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER
AIR SWEEP CHECK
SET TEMP. TIMER SET
TEST RUN
A
ON/OFF –
SWING
˚F
TIMER OFF TIMER CLOCK AUTO AUTO
FAN
CHECK SET TEMP. START STOP SPEED FILTER
AUTO
RETURN
CHECK MODE
˚F
NOT AVAILABLE
TEST RUN
TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER
AIR SWEEP CHECK
SET TEMP. TIMER SET TEST RUN
A
ON/OFF –
SWING
˚F
TIMER OFF TIMER CLOCK AUTO AUTO
FAN
CHECK SET TEMP. START STOP SPEED FILTER
AUTO
RETURN
CHECK MODE
˚F
NOT AVAILABLE TEST RUN
TIMER ON/OFF CLOCK/TIMER FAN SPEED AIR DISCHARGE FILTER
AIR SWEEP CHECK
SET TEMP. TIMER SET TEST RUN
1
Operating range
Indoor air intake temperature Outdoor air intake temperature
Maximum 95 °F DB, 71 °F WB
Cooling
Minimum 67 °F DB, 57 °F WB
A
Maximum 80 °F DB, 67 °F WB
Heating
Minimum 70 °F DB, 60 °F WB
1
* With wind baffle installed. Without wind baffle, the minumum temperature will be
23 °F DB.

2.1. Switching the unit on/off

• The power supply should not be turned off while the air conditioner is in use. This
can cause the unit to break down.
1 Press the ON/OFF button.
A The ON indicator should light up.
• Even if you press the ON/OFF button immediately after shutting down the opera-
tion in progress, the air conditioner will not start for about three minutes. This is to
prevent the internal components from being damaged.
• If the operation stops due to a power failure, the unit will not automatically restart
until the power has been restored. Press the ON/OFF button to restart.

2.2. Mode select

1 If the unit is off, press the ON/OFF button to turn it on.
A The ON indicator should light up.
2 Press the operation mode button C and select the operation mode.
B
A
COOL Cooling mode
1
DRY Drying mode
FAN Fan mode
(For PL/PC/PK)
Note:
The heating display and the automatic display does not appear in models that
operate exclusively as cooling only air-conditioner.

2.3. Selecting a temperature

s s s s s To decrease the room temperature:
1 Press set temperature button to set the desired temperature.
A The selected temperature is displayed.
• Each time you press the button, the temperature value decreases by 2 °F.
s s s s s To increase the room temperature:
1 Press set temperature button to set the desired temperature.
A The selected temperature is displayed.
• Each time you press the button, the temperature value increases by 2 °F.
• Available temperature ranges are as follows:
Cooling & Drying: 65 - 87 °F
Heating: 61 - 83 °F
Automatic: 65 - 83 °F
• The display flashes either 47 °F or 97 °F to inform you if the room temperture is
lower or higher than the displayed temperature.

2.4. Selecting a fan speed

1 Press fan speed button to select a desired fan speed.
• Each time you press the button, available options change with the display A on
the remote controller, as shown below.
Display
FAN
Available
Option (Fan Speed Switch)
The display and the fan speed of the unit will differ in the following situations:
• When STAND BY and DEFROST are displayed.
• Just after the heating mode (while waiting to change to another mode).
• When the temperature of the room is higher than the temperature setting of the
unit operating in the heating mode.
• In Dry mode, where the speed is set automatically and cannot be changed. Only
the display on the remote controller changes.
115 °F DB
0 °F DB*
75 °F DB, 65 °F WB
17 °F DB, 15 °F WB
AUTO Automatic (cooling/heating) mode
(For PLH/PCH/PKH)
HEAT Heating mode
(For PLH/PCH/PKH)
Wireless type Wired type
FAN FAN
SPEED SPEED
FAN
Low-High Low-High
3