The phrase “Wired remote controller” in this operation manual refers only to the PAR-40MAA. If you need any information for other remote controller,
please refer to the instruction book included with the remote controller.
5. Emergency Operation for Wireless Remote-controller
► Before operating the unit, make sure you read all the “Safety precautions”.
► “Safety precautions” lists important points about safety. Please be sure to follow them.
MEANINGS OF SYMBOLS ON THE UNIT
WARNING
(Risk of re)
Read the OPERATION MANUAL carefully before operation.
Service personnel are required to carefully read the OPERATION MANUAL and INSTALLATION MANUAL before operation.
Further information is available in the OPERATION MANUAL, INSTALLATION MANUAL, and the like.
This symbol is only for R32 refrigerant. The type of the refrigerant used is written on the nameplate on the outdoor unit.
R32 refrigerant is ammable. If the refrigerant leaks, or comes in contact with re or parts that generate heat, it may create
harmful gas and pose a risk of re.
Symbols used in the text
Warning:
Describes precautions that should be observed to avoid the risk of
injury or death to the user.
Caution:
Describes precautions that should be observed to prevent damage
to the unit.
Symbols used in the illustrations
: Indicates an action that must be avoided.
: Indicates that important instructions must be followed.
: Indicates a part which must be grounded.
: Beware of electric shock. (This symbol is displayed on the main unit
label.) <Color: yellow>
Warning:
Carefully read the labels axed to the main unit.
Warning:
• These appliances are not accessible to the general public.
• The unit must not be installed by the user. Ask the dealer or an
authorized company to install the unit. If the unit is installed
improperly, water leakage, electric shock or re may result.
• Do not stand on, or place any items on the unit.
• This air conditioner is NOT intended for use by children or inrm
persons without supervision.
• Young children must be supervised to ensure that they do not
play with the air conditioner.
• When installing, relocating, or servicing the air conditioner,
use only the specied refrigerant written on the outdoor unit to
charge the refrigerant lines. Do not mix the refrigerant with any
other refrigerant, and do not allow air to remain in the lines.
- If air is mixed with the refrigerant, then it may cause abnormal high
pressure in the refrigerant lines, resulting in an explosion and other
hazards.
- The use of any refrigerant other than that specied for the
system will cause mechanical failure, system malfunction, or
unit breakdown. In the worst case, this could lead to a serious
impediment to securing product safety.
- It may also be in violation of applicable laws.
- MITSUBISHI ELECTRIC CORPORATION cannot be held
responsible for malfunctions or accidents resulting from the use of
the wrong type of refrigerant.
• This indoor unit should be installed in a room which is equal
to or larger than the oor space specied in the outdoor unit
installation manual. Refer to the outdoor unit installation
manual.
• Only use means recommended by the manufacturer to
accelerate the defrosting process or to clean.
• This indoor unit shall be stored in a room that has no
continuously-operating ignition device such as open ame, gas
appliance, or electrical heater.
• Do not pierce a hole in or burn this indoor unit or refrigerant
lines.
• Be aware that the refrigerant may be odour-free.
• Do not splash water over the unit and do not touch the unit with
wet hands. An electric shock may result.
• Do not spray combustible gas close to the unit. Fire may result.
• Do not place a gas heater or any other open-ame appliance
where it will be exposed to the air discharged from the unit.
Incomplete combustion may result.
• Do not remove the front panel or the fan guard from the outdoor
unit when it is running. You could be injured if you touch
rotating, hot or high-voltage parts.
• Never insert ngers, sticks etc. into the intakes or outlets,
otherwise injury may result, since the fan inside the unit rotates
at high speed. Exercise particular care when children are
present.
• If you detect odd smells, stop using the unit, turn o the power
switch and consult your dealer. Otherwise, a breakdown, electric
shock or re may result.
• When you notice exceptionally abnormal noise or vibration, stop
operation, turn o the power switch, and contact your dealer.
• Do not over-cool. The most suitable inside temperature is one
that is within 5°C of the outside temperature.
• Do not leave handicapped people or infants sitting or standing
in the path of the airow from the air-conditioner. This could
cause health problems.
2
Caution:
• Do not use any sharp object to push the buttons, as this may
damage the remote controller.
• Do not twist or tug on the remote controller cord as this may
damage the remote controller and cause malfunction.
• Never remove the upper case of the remote controller. It is
dangerous to remove the upper case of the remote controller
and touch the printed circuit boards inside. Doing so can result
in re and failure.
• Never wipe the remote controller with benzene, thinner, chemical
rags, etc. Doing so can result in discoloration and failure. To
remove heavy stains, soak a cloth in neutral detergent mixed
with water, wring it out thoroughly, wipe the stains o, and wipe
again with a dry cloth.
• Never block or cover the indoor or outdoor unit’s intakes or
outlets. Tall items of furniture underneath the indoor unit, or
bulky items such as large boxes placed close to the outdoor unit
will reduce the unit’s eciency.
• Do not direct the airow at plants or caged pets.
• Ventilate the room frequently. If the unit is operated continuously
in a closed room for a long period of time, the air will become
stale.
In case of failure
Warning:
• Never remodel the air conditioner. Consult your dealer for any
repair service. Improper repair work can result in water leakage,
electric shock, re, etc.
• If the remote controller displays an error indication, the air
conditioner does not run, or there is any abnormality, stop
operation and contact your dealer. Leaving the unit as it is under
such conditions can result in re or failure.
• If the power breaker is frequently activated, get in touch with
your dealer. Leaving it as it is can result in re or failure.
• If the refrigeration gas blows out or leaks, stop the operation of
the air conditioner, thoroughly ventilate the room, and contact
your dealer. Leaving the unit as it is can result in accidents due
to oxygen deciency.
Disposing of the unit
Warning:
When you need to dispose of the unit, consult your dealer. If pipes
are removed incorrectly, refrigerant (uorocarbon gas) may blow
out and come into contact with your skin, causing injury. Releasing
refrigerant into the atmosphere also damages the environment.
2. Parts Names
■
Indoor Unit
PEA-M·HAA
Fan steps4 steps
Vane–
Louver–
Filter–
Filter cleaning indication–
When the air conditioner is not to be used for a long time
• If the air conditioner is not to be used for a long time due to a
seasonal change, etc., run it for 4 - 5 hours with the air blowing
until the inside is completely dry. Failing to do so can result in
the growth of unhygienic, unhealthy mold in scattered areas
throughout the room.
• When it is not to be used for an extended time, keep the [power
supply] turned OFF.
If the power supply is kept on, several watts or several tens of
watts will be wasted. Also, the accumulation of dust, etc., can
result in re.
• Keep the power switched ON for more than 12 hours before
starting operation. Do not turn the power supply OFF during
seasons of heavy use. Doing so can result in failure.
■
PEA-M·HAA
Ceiling Concealed
3
2. Parts Names
■
Wired Remote Controller
Controller interface
The functions of the function buttons change depending on the
screen. Refer to the button function guide that appears at the
bottom of the LCD for the functions they serve on a given screen.
When the system is centrally controlled, the button function guide
that corresponds to the locked button will not appear.
⑤
Main displayMain menu
⑥
④③②①
Function buttons
⑦⑧⑨⑩
• When the backlight is o, pressing any button turns the backlight on
and does not perform its function. (except for the ON/OFF button)
▌ ① ON/OFF button
Press to turn ON/OFF the indoor unit.
▌ ② SELECT button
Press to save the setting.
▌ ③ RETURN button
Press to return to the previous screen.
▌ ④ MENU button
Press to bring up the Main menu.
▌ ⑤ Backlit LCD
Operation settings will appear.
When the backlight is o, pressing any button turns the backlight on
and it will stay lit for a certain period of time depending on the screen.
CursorPage
⑦ ⑧ ⑨ ⑩⑦ ⑧ ⑨ ⑩
Menu screen
Function guide
⑦ ⑧ ⑨ ⑩
▌ ⑥ ON/OFF lamp
This lamp lights up in green while the unit is in operation. It blinks while
the remote controller is starting up or when there is an error.
▌ ⑦ Function button
Main display: Press to change the operation mode.
Menu screen: The button function varies with the screen.
▌ ⑧ Function button
Main display: Press to decrease temperature.
Main menu: Press to move the cursor left.
Menu screen: The button function varies with the screen.
▌ ⑨ Function button
Main display: Press to increase temperature.
Main menu: Press to move the cursor right.
Menu screen: The button function varies with the screen.
F1
F2
F3
▌ ⑩ Function button
Main display: Press to change the fan speed.
Menu screen: The button function varies with the screen.
F4
4
2. Parts Names
Display
The main display can be displayed in two dierent modes: “Full” and “Basic.”
The factory setting is “Full.”
<Full mode><Basic mode>
⑫⑬⑭⑮⑯⑰
⑥
⑦
⑧
⑨
⑩
①
⑪
⑱
②
⑤
▌ ① Operation mode
Indoor unit operation mode appears here.
▌ ② Preset temperature
Preset temperature appears here.
▌ ③ Clock
Current time appears here.
▌ ④ Fan speed
Fan speed setting appears here.
▌ ⑤ Button function guide
Functions of the corresponding buttons appear here.
▌ ⑥
Appears when the ON/OFF operation is centrally controlled.
▌ ⑦
Appears when the operation mode is centrally controlled.
▌ ⑧
Appears when the preset temperature is centrally controlled.
▌ ⑨
Appears when the lter reset function is centrally controlled.
▌ ⑩
Indicates when lter needs maintenance.
③
⑲
④
②
①
⑤
▌ ⑬
Appears when the On/O timer, Night setback, or Auto-o timer
function is enabled.
appears when the timer is disabled by the centralized control
system.
▌ ⑭
Appears when the Weekly timer is enabled.
▌ ⑮
Appears while the units are operated in the energy-save mode.
▌ ⑯
Appears while the outdoor units are operated in the silent mode.
▌ ⑰
Appears when the built-in thermistor on the remote controller is
activated to monitor the room temperature (⑪).
appears when the thermistor on the indoor unit is activated to
monitor the room temperature.
▌ ⑱
Appears when the preset temperature range is restricted.
▌ ⑲
Appears when an energy-saving operation is performed using a "3D
i-See sensor" function.
③
④
▌ ⑪ Room temperature
Current room temperature appears here.
▌ ⑫
Appears when the buttons are locked.
5
2. Parts Names
2
■
Wireless Remote-Controller (option)
ON/OFF button
Pushing button starts operation.
Pushing again stops operation.
FAN SPEED button
This button is used to set fan
speed to low, medium or high.
MODE SELECT button
This button is used to change
between auto, cooling, heating
and drying operation modes.
CHECK button
TEST RUN button
CHECK
MODEL SELECT
NOT AVAILABLE
ON/OFF
FAN
MODE
VANE
CHECK
LOUVER
TEST RUN
RESET
SET
TEST RUN
TEMP
AUTO STOP
AUTO START
min
CLOCK
SET TEMPERATURE button
SET TEMPERATURE button
sets and any desired room
temperature.
AUTO STOP/AUTO START button
Used for selecting timed starting
or stopping.
VANE CONTROL button
Used to change the airow
h
direction.
h button
Used for setting the current time.
min button
Used for setting the current time.
LOUVER button
Used for adjusting the airow
direction.
■
When using the wireless remote controller, point it towards the receiver on the indoor unit.
■
If the remote controller is operated within approximately two minutes after power is
supplied to the indoor unit, the indoor unit may beep twice as the unit is performing the
initial automatic check.
■
The indoor unit beeps to conrm that the signal transmitted from the remote controller has
been received. Signals can be received up to approximately 7 meters in a direct line from
the indoor unit in an area 45° to the left and right of the unit. However, illumination such as
uorescent lights and strong light can aect the ability of the indoor unit to receive signals.
■
If the operation lamp near the receiver on the indoor unit is ashing, the unit needs to be
inspected. Consult your dealer for service.
■
Handle the remote controller carefully! Do not drop the remote controller or subject it to
strong shocks. In addition, do not get the remote controller wet or leave it in a location with
high humidity.
■
To avoid misplacing the remote controller, install the holder included with the remote
controller on a wall and be sure to always place the remote controller in the holder after
use.
Battery installation/replacement
1. Remove the top cover, insert two AAA batteries,
and then install the top cover.
1
3
Top cover
2. Press the Reset button.
Two AAA batteries
Insert the negative (–)
end of each battery
rst. Install the batteries
in the correct directions
(+, –)!
Press the Reset button
with an object that has
a narrow end.
6
3. Operation
■
About the operation method, refer to the operation manual that comes with each remote controller.
3.1. Mode select
3.1.1. For wired remote controller
Cool
*1
*1 Operation modes that are not available to the connected indoor unit
models will not appear on the display.
*2 Single or dual set points will appear, depending on the indoor unit
model.
* Interlocked operation is performed in all the operation modes when
the ventilation unit is interlocked.
What the blinking mode icon means
The mode icon will blink when other indoor units in the same refrigerant
system (connected to the same outdoor unit) are already operated in a
dierent mode. In this case, the rest of the unit in the same group can
only be operated in the same mode.
Dry
*1
3.1.2. For wireless remote controller
■
Press the operation mode (
operation mode 2.
►
Cooling mode
Drying mode
Fan mode
Heating mode
Automatic (cooling/heating) mode
Ventilation mode
Only indicated on the following condition
Wired remote controller used
LOSSNAY connected
Automatic operation
■
According to a set temperature, cooling operation starts if the room
temperature is too hot and heating operation starts if the room
temperature is too cold.
■
During automatic operation, if the room temperature changes and
remains 2 °C or more above the set temperature for 15 minutes, the
air conditioner switches to cooling mode. In the same way, if the room
temperature remains 2 °C or more below the set temperature for
15 minutes, the air conditioner switches to heating mode.
Cooling mode
15 minutes (switches
from cooling to heating )
■
Because the room temperature is automatically adjusted in order to
maintain a xed eective temperature, cooling operation is performed
a few degrees warmer and heating operation is performed a few
degrees cooler than the set room temperature once the temperature is
reached (automatic energy-saving operation).
Fan
15 minutes (switches
from heating to cooling)
Auto
*1*2
) button ② and select the
Set temperature +2°C
Set temperature
Set temperature -2°C
Heat
*1
3.2. Preset temperature setting
3.2.1. For wired remote controller
Preset temperature will be displayed either in Celsius in 0.5- or 1-degree
increments, or in Fahrenheit, depending on the indoor unit model and the
display mode setting on the remote controller.
<Cool, Dry, Heat, and Auto (single set point)>
Press button ⑧ [F2] to decrease the preset temperature.
Press button ⑨ [F3] to increase the preset temperature.
<Auto (dual set point)>
Press button ⑧ [F2] or ⑨ [F3].
1
Preset temperature
for cooling
Preset temperature
for heating
F2F3F4
F1
Press button ⑦ [F1] or button ⑧ [F2] to move the cursor to the
2
desired temperature setting (cooling or heating).
Press button ⑨ [F3] to decrease the selected temperature, and ⑩ [F4]
to increase.
Preset temperature
for cooling
Preset temperature
for heating
F1F2F3F4F1F2F3F4
3.2.2. For wireless remote controller
► To decrease the room temperature:
Press button ③ to set the desired temperature.
The selected temperature is displayed 3.
•
Each time you press the button, the temperature value decreases by 1 °C.
► To increase the room temperature:
Press button ③ to set the desired temperature.
The selected temperature is displayed 3.
•
Each time you press the button, the temperature value decreases by 1 °C.
• Available temperature ranges are as follows:
Cooling/Drying: 19 - 30 °C
Heating: 17 - 28 °C
Automatic: 19 - 28 °C
• The display ashes either 8 °C - 39 °C to inform you if the room
temperature is lower or higher than the displayed temperature.
7
3. Operation
AAA
D
A
h
min
AUTO START
h
min
AUTO START
AUTO STOP
h
min
AUTO STOP
AUTO START
AUTO STOP
2
1
3.3. Fan speed setting
3.3.1. For wired remote controller
Press button ⑩ [F4] to go through the fan speed.
* The number of available fan speeds depends on the model.
Auto
Notes:
The actual fan speed will be dierent from the fan speed displayed
on the LCD when one of the following conditions is met.
●
While "Standby" or "Defrost" is displayed
●
When the room temperature is higher than the preset temperature
during the heating mode
●
Right after the heating operation (during stand by for switching
the operation mode)
●
During the dry mode
3.3.2. For wireless remote controller
■
Press ④
• Each time you press the button, available options change with the
display 4 on the remote controller, as shown below.
Notes:
●
In the following cases, the actual fan speed generated by the unit
will dier from the speed shown the remote controller display.
1. While the display is in “STAND BY” or “DEFROST” states.
2. When the temperature of the heat exchanger is low in the
heating mode.
(e.g. immediately after heating operation starts)
3. In HEAT mode, when room temperature is higher than the
temperature setting.
4. When the unit is in DRY mode.
button to select a desired fan speed.
Auto
4. Timer
■
Timer functions are dierent by each remote controller.
■
For details on how to operate the remote controller, refer to the appropriate operation manual included with each remote controller.
4.1. For wireless remote controller (option)
C
B
1) Set the current time
Press the CLOCK button using a thin stick and blink the time A.
1
Press the
2
Press the CLOCK button using a thin stick.
3
and
2) Set the time to start the unit as follows
Press the
1
button.
• Time can be set while the following symbol is blinking.
ON/OFF
TEMP
On time: B START is blinking.
• The start times is displayed at A.
and
button.
and
or
to cancel the timer and repeat from 2) or 3).
MODE
CHECK
TEST RUN
SET
FAN
VANE
LOUVER
CLOCK
RESET
AAA
AUTO STOP
AUTO START
h
min
13
2
Use the
2
To cancel the ON timer, press the
3
3) Set the time to stop the unit as follows
Press the
1
• Time can be set while the following symbol is blinking.
O time: C STOP is blinking.
• The stop times is displayed at D.
Use the
2
To cancel the OFF timer, press the
3
4) Changing the set times
Press the
5. Emergency Operation for Wireless Remote-controller (option)
ON/OFF lamp (lit when unit is operating; unlit when unit is not
1
ON/OFF
HEATCOOL
operating)
Emergency operation
2
In cases where the remote control unit does not operate properly, use
either the
COOL or HEAT button on the wireless remote control
signal receiver to toggle the unit on or o. On cooler only units,
pushing the HEAT button toggles the fan on and o.
Pressing the COOL or HEAT button selects the following
settings.
Operation modeCOOLHEAT
Preset temperature24 °C/75 °F24 °C/75 °F
Fan speedHighHigh
button to set the current time.
buttons to set the desired time.
button.
buttons to set the desired time.
button.
8
6. Trouble Shooting
Having trouble?Here is the solution. (Unit is operating normally.)
Air conditioner does not heat or cool well.
When heating operation starts, warm air does not blow from the indoor
unit soon.
During heating mode, the air conditioner stops before the set room
temperature is reached.
A owing water sound or occasional hissing sound is heard.
A cracking or creaking sound is heard.
The room has an unpleasant odor.
A white mist or vapor is emitted from the indoor unit.
Water or vapor is emitted from the outdoor unit.
“
” appears in the remote controller display.
When restarting the air conditioner soon after stopping it, it does not
operate even though the ON/OFF button is pressed.
Air conditioner operates without the ON/OFF button being pressed.
Air conditioner stops without the ON/OFF button being pressed.
Remote controller timer operation cannot be set.
“PLEASE WAIT” appears in the remote controller display.
An error code appears in the remote controller display.
Draining water or motor rotation sound is heard.
The fan speed changes in spite of not changing the setting.
■
Clean the lter. (Airow is reduced when the lter is dirty or clogged.)
■
Check the temperature adjustment and adjust the set temperature.
■
Make sure that there is plenty of space around the outdoor unit. Is the
indoor unit air intake or outlet blocked?
■
Has a door or window been left open?
■
Warm air does not blow until the indoor unit has suciently warmed up.
■
When the outdoor temperature is low and the humidity is high,
frost may form on the outdoor unit. If this occurs, the outdoor unit
performs a defrosting operation. Normal operation should begin after
approximately 10 minutes.
■
These sounds can be heard when refrigerant is owing in the air
conditioner or when the refrigerant ow is changing.
■
These sounds can be heard when parts rub against each due to
expansion and contraction from temperature changes.
■
The indoor unit draws in air that contains gases produced from the
walls, carpeting, and furniture as well as odors trapped in clothing, and
then blows this air back into the room.
■
If the indoor temperature and the humidity are high, this condition may
occur when operation starts.
■
During defrosting mode, cool airow may blow down and appear like a
mist.
■
During cooling mode, water may form and drip from the cool pipes and
joints.
■
During heating mode, water may form and drip from the heat
exchanger.
■
During defrosting mode, water on the heat exchanger evaporates and
water vapor may be emitted.
■
During central control, “” appears in the remote controller display
and air conditioner operation cannot be started or stopped using the
remote controller.
■
Wait approximately three minutes.
(Operation has stopped to protect the air conditioner.)
■
Is the on timer set?
Press the ON/OFF button to stop operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does “
Consult the concerned people who control the air conditioner.
■
Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
■
Is the o timer set?
Press the ON/OFF button to restart operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does “
Consult the concerned people who control the air conditioner.
■
Are timer settings invalid?
If the timer can be set, or appears in the remote controller
display.
■
The initial settings are being performed. Wait approximately 3 minutes.
■
The protection devices have operated to protect the air conditioner.
■
Do not attempt to repair this equipment by yourself.
Turn o the power switch immediately and consult your dealer. Be
sure to provide the dealer with the model name and information that
appeared in the remote controller display.
■
When cooling operation stops, the drain pump operates and then
stops. Wait approximately 3 minutes.
■
Not to blow out cold air at the beginning of heating operation, the air
conditioner automatically adjusts the fan speed gradually from lower to
the set speed. It also adjust its fan speed to protect the fan motor when
return air temperature or fan speed excessively rises.
” appear in the remote controller display?
” appear in the remote controller display?
9
6. Trouble Shooting
Having trouble?Here is the solution. (Unit is operating normally.)
Noise is louder than specications.
Nothing appears in the wireless remote controller display, the display
is faint, or signals are not received by the indoor unit unless the remote
controller is close.
The operation lamp near the receiver for the wireless remote controller
on the indoor unit is ashing.
■
The indoor operation sound level is aected by the acoustics of the
particular room as shown in the following table and will be higher than
the noise specication, which was measured in an echo-free room.
High soundabsorbing rooms
Location
examples
Noise levels
■
The batteries are low.
Replace the batteries and press the Reset button.
■
If nothing appears even after the batteries are replaced, make sure that
the batteries are installed in the correct directions (+, –).
■
The self diagnosis function has operated to protect the air conditioner.
■
Do not attempt to repair this equipment by yourself.
Turn o the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name.
Broadcasting
studio, music
room, etc.
3 to 7 dB6 to 10 dB9 to 13 dB
Normal rooms
Reception room,
hotel lobby, etc.
7. Specications
Item ModelPEA-M100HAAPEA-M125HAAPEA-M140HAA
DimensionHeight / Width / Depthmm380/1405/900
Net weightkg636666