Air-Conditioners
INDOOR UNIT
PEH-P8, 10, 16, 20MYA
FOR USER
FÜR BENUTZER
POUR L’UTILISATEUR
PARA EL USUARIO
PER L’UTENTE
VOOR DE GEBRUIKER
FÖR ANVÄNDAREN
PARA O UTILIZADOR
OPERATION MANUAL
For safe and correct use, please read this operation manual thoroughly before operating the air-conditioner unit.
BEDIENUNGSHANDBUCH
Zum sicheren und einwandfreien Gebrauch der Klimaanlage dieses Bedienungshandbuch vor Inbetriebnahme gründlich durchlesen.
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MANUEL D’UTILISATION
Pour une utilisation correcte sans risques, veuillez lire le manuel d’utilisation en entier avant de vous servir du climatiseur.
MANUAL DE INSTRUCCIONES
Lea este manual de instrucciones hasta el final antes de poner en marcha la unidad de aire acondicionado para garantizar un uso seguro y correcto.
ISTRUZIONI DI FUNZIONAMENTO
Leggere attentamente questi istruzioni di funzionamento prima di avviare l’unità, per un uso corretto e sicuro della stessa.
BEDIENINGSHANDLEIDING
Voor een veilig en juist gebruik moet u deze bedieningshandleiding grondig doorlezen voordat u de airconditioner gebruikt.
DRIFTSMANUAL
Läs denna driftsmanual noga för säkert och korrekt bruk innan luftkonditioneringen används.
MANUAL DE OPERAÇÃO
Para segurança e utilização correctas, leia atentamente o manual de operação antes de pôr a funcionar a unidade de ar condicionado.
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A
C
B
D
A Air outlet
B Air inlet
C Air filter
[Fig. 2.0.1]
A
B
C
[Fig. 2.0.2]
A
B
A Wireless remote controller (option)
B Remote controller
ON/OFF TEMP.
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[Fig. 3.0.1]
1
ON/OFF
MODE
CHECK
TEST RUN
CLOCK
TOO
3
WARM
FAN
VANE
LOUVER
RESETSET CLOCK
˚C
AMPM
2
AMPM
TOO
COOL
AUTO STOP
AUTO START
h
min
5
4
6
5
[Fig. 5.0.1]
A Air outlet C Air filter
B Air inlet D Air filter handle
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Contents
1. Safety precautions ...................................................................................... 3
1.1. Installation ................................................................................. 3
1.2. During operation ........................................................................ 4
1.3. Disposing of the unit .................................................................. 4
2. Names and functions of various parts ........................................................ 4
3. Operation .................................................................................................... 5
3.1. ON/OFF ..................................................................................... 6
3.2. Selecting operation .................................................................... 6
3.3. Room temperature adjustment .................................................. 7
3.4. Fan speed adjustment ............................................................... 7
1. Safety precautions
s Before operating the unit, make sure you read all the “Safety
precautions”.
s “Safety precautions” lists important points about safety.
Please be sure to follow them.
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.
: Indicates that caution should be taken with rotating parts. (This symbol is
displayed on the main unit label.) <Color: yellow>
: Beware of electric shock. (This symbol is displayed on the main unit label.)
<Color: yellow>
3.5. Time setting ............................................................................... 7
3.6. Timer setting .............................................................................. 7
3.7. Others ........................................................................................ 8
4. The smart way to use ................................................................................. 8
5. Caring for the machine ............................................................................... 8
6. Troubleshooting ........................................................................................... 9
7. Troubleshooting [for wireless remote controller (option)] ............................ 9
8. Installation and transferring works, and checking ..................................... 10
9. Specifications ............................................................................................ 10
1) Outdoor unit
Warning:
• The outdoor unit must be installed on a stable, level surface, in a place
where there is no accumulation of snow, leaves or rubbish.
• Do not stand on, or place any items on the unit. You may fall down or the
item may fall, causing injury.
Caution:
The outdoor unit should be installed in a location where air and noise emitted by the unit will not disturb the neighbours.
2) Indoor unit
Warning:
The indoor unit should be securely installed. If the unit is loosely mounted, it
may fall, causing injury.
3) Remote controller
Warning:
The remote controller should be installed in such a way that children cannot
play with it.
4) Drain hose
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Warning:
Carefully read the labels affixed to the main unit.
1.1. Installation
s After you have read this manual, keep it and the Installation Manual in a
safe place for easy reference whenever a question arises. If the unit is
going to be operated by another person, make sure that this manual is
given to him or her.
Warning:
• The unit should 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 fire may result.
• Use only accessories authorized by Mitsubishi Electric and ask your
dealer or an authorized company to install them. If accessories are installed improperly, water leakage, electric shock or fire may result.
• The Installation Manual details the suggested installation method. Any
structural alteration necessary for installation must comply with local
building code requirements.
• Never repair the unit or transfer it to another site by yourself. If repair is
performed improperly, water leakage, electric shock or fire may result. If
you need to have the unit repaired or moved, consult your dealer.
• The appliance is not intended for use by young children or infirm persons without supervision.
• Young children should be supervised to ensure that they do not play
with the appliance.
Caution:
Make sure that the drain hose is installed so that drainage can go ahead
smoothly. Incorrect installation may result in water leakage, causing damage to furniture.
5) Power line, fuse or circuit breaker
Warning:
• Make sure that the unit is powered by a dedicated line. Other appliances
connected to the same line could cause an overload.
• Make sure that there is a main power switch.
• Be sure to adhere to the unit’s voltage and fuse or circuit breaker ratings.
Never use a piece of wire or a fuse with a higher rating than the one
specified.
6) Grounding
Caution:
• The unit must be properly grounded. Never connect the grounding wire
to a gas pipe, water pipe, lightning conductor or telephone grounding
wire. If the unit is not grounded properly, electric shock may result.
• Check frequently that the ground wire from the outdoor unit is properly
connected to both the unit’s ground terminal and the grounding electrode.
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1.2. During operation
In case of failure
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 fire 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 off, 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 efficiency.
Warning:
• 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-flame appliance where it will
be exposed to the air discharged from the unit. Incomplete combustion
may result.
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Warning:
• 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 highvoltage parts.
• Never insert fingers, sticks etc. into the intakes or outlets, otherwise injury may result, since the fan inside the unit rotates at high speed. Exer-
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cise particular care when children are present.
• If you detect odd smells, stop using the unit, turn off the power switch
and consult your dealer. Otherwise, a breakdown, electric shock or fire
may result.
• When you notice exceptionally abnormal noise or vibration, stop operation, turn off the power switch, and contact your dealer.
• Do not over-cool. The most suitable inside temperature is one that is
F
within 5
• Do not leave handicapped people or infants sitting or standing in the
°C of the outside temperature.
path of the airflow from the air-conditioner. This could cause health problems.
Caution:
• Do not direct the airflow at plants or caged pets.
• Ventilate the room frequently. If the unit is operated continuously in a
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closed room for a long period of time, the air will become stale.
Warning:
• Never remodel the air conditioner. Consult your dealer for any repair service. Improper repair work can result in water leakage, electric shock, fire,
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
fire or failure.
• If the power breaker is frequently activated, get in touch with your dealer.
Leaving it as it is can result in fire 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 deficiency.
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 fire.
• 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.
1.3. Disposing of the unit
Warning:
When you need to dispose of the unit, consult your dealer. If pipes are removed incorrectly, refrigerant (fluorocarbon gas) may blow out and come
into contact with your skin, causing injury. Releasing refrigerant into the
atmosphere also damages the environment.
2. Names and functions of various parts
Indoor unit
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• Air inlet: Sucks the ambient air in.
• Filter: The filter built into the unit as standard is a simple filter to remove visible
dust and dirt. If air purification is one of the conditions required for use, consult
with your dealer. (For details on how to clean, refer to page 8.)
• Air outlet: Blows the air back out into the room.
PEH-P-MYA series
[Ceiling concealed type]
[Fig. 2.0.1] (P.2)
A Air outlet B Air inlet C Air filter
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Remote Controller
• Check out your remote controller.
Different controllers are used for different systems.
[Fig. 2.0.2] (P.2)
A Wireless remote controller (option)
B Remote controller
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3. Operation
Cooling
The air conditioner works to cool the room to the selected temperature.
The fan blows air continuously at the selected speed.
Drying (dehumidifying) : Disabled in the heating
mode
The drying mode efficiently reduces the humidity in the room so that the room
temperature is not lowered excessively. When the selected room temperature is
reached in the Low setting, the airflow will stop for ten minutes and then will resume
for three minutes to keep the humidity low.
Heating
• The air conditioner works to heat the room to the selected temperature.
• When selecting the heating mode, a desired room temperature must be set to
avoid any cool air. The fan will gradually increase the airflow delivery up to a
selected rate.
• When the room temperature reaches the selected temperature and the compressor stops, the fan will deliver a gentle airflow.
Automatic (cooling / heating)
The air conditioner automatically goes into the cooling or heating mode to keep the
room at the selected temperature.
Ventilation
• Ventilation will not be displayed when not available (settings cannot be specified).
• When ventilation is selected it will operate in all modes.
Note:
The airflow settings cannot be changed on the main unit.
How to use the wireless remote controller
(option)
Replacing the Batteries and how to set the current time
[Fig. 3.0.1] (P.2)
If no signal is transmitted and the indoor unit’s lamp does not light up even if the
remote controller is operated, the batteries may have run out, so replace them with
new ones as described below.
1 Remove the front lid.
2 Replace the batteries with alkali batteries (size AAA). Make sure that the bat-
teries are installed in the correct direction. (Insert the minus pole of the batteries first.)
3 Reattach the front lid.
4 Press the RESET button using a thin stick.
5 Press the
6 Press the CLOCK button using a thin stick and close the front lid.
If you are not going to use the unit for a long period of time, remove the batteries to
prevent damage which may occur due to leakage of electrolyte.
Caution:
• Signal from the WIRELESS REMOTE CONTROLLER may not be received
by the indoor unit installed in a room with fluorescent lamps using cyclic
ignition stabilizer of high voltage pulse or intermittent oscillator. If fluorescent lamps are to be newly installed, consult your local dealer.
• If other air conditioner or electric appliance are effected due to operation
of the WIRELESS REMOTE CONTROLLER or vice versa, install the air
conditioner at some distance from others or consult your dealer.
• Install the air conditioner in a place free of dust, high temperature, vibration and shock.
• Do not cover the REMOTE CONTROLLER.
min
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and
button to set the current time.
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PAR-20MAA
ON/OFF
CENTRALLY CONTROLLED
ERROR CODE
CLOCK
ON OFF
˚C
CHECK
CHECK MODE
FILTER
TEST RUN
FUNCTION
˚C
1Hr.
NOT AVAILABLE
STAND BY
DEFROST
FILTER
CHECK TEST
TEMP.
TIMER SET
ABCD
SQTU
1
2
3
456 879
Remote controller-Button
1 [Room temperature adjustment] Button
2 [Timer/continuous] Button
3 [Selecting operation] Button
4 [Time selection] Button
[Time-setting] Button
5 [Louver] Button
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6 [Fan speed adjustment] Button
• Never expose the remote controller to direct sunlight. Doing so can result in
the erroneous measurement of room temperature.
• Never place any obstacle around the lower right-hand section of the remote
controller. Doing so can result in the erroneous measurement of room temperature.
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Before starting operation
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• Start running after the “HO” display has disappeared. The “HO” display briefly
appears on the room temperature display (max. 3 minutes) when the power is
turned on and after a power failure. This does not indicate any failure of the air
conditioner.
• During heating operation, even if the indoor unit is set to operation while the
outdoor unit is in defrosting operation, operation starts after the defrosting operation of the outdoor unit has ended.
7 [Up/down airflow direction] Button
8 [Ventilation] Button
9 [Checking/built-in] Button
0 [Test run] Button
A [Filter] Button
B [ON/OFF] Button
C Position of built-in room temperature
A
STAND BY
DEFROST
PAR-20MAA
CENTRALLY CONTROLLED
CHECK
˚C
TEMP.
TIMER SET
4
ON OFF
CLOCK
ERROR CODE
1Hr.
NOT AVAILABLE
6
˚C
ON/OFF
8
CHECK MODE
TEST RUN
FUNCTION
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3.1. ON/OFF
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Start an operation
1. Press the
Operation lamp
BB
B [ON/OFF] button
BB
lights up and operation starts.
Stop an operation
1. Press the
Operation lamp goes off and operation stops.
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• Once the buttons have been set, pressing of the [ON/OFF] button only can
repeat the same operation thereafter.
• During operation, the operation lamp above the [ON/OFF] button lights up.
Caution:
Even if the operation button is pressed immediately after the operation is
once stopped, operation is not restarted for about 3 minutes. This function
protects the machine. It automatically starts operation after the lapse of approximately 3 minutes.
BB
B [ON/OFF] button again
BB
6
B
A
0
C
FILTER
FILTER
CHECK TEST
CENTRALLY CONTROLLED
CLOCK
E
F
CHECK
STAND BY
DEFROST
G
˚C
ERROR CODE
TEMP.
HIKLJ
ON OFF
1Hr.
NOT AVAILABLE
˚C
FILTER
CHECK MODE
TEST RUN
FUNCTION
ON/OFF
R
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N
M
Remote controller-Display
A Current time/Timer
B Centralized control
C Timer ON
D Abnormality occurs
E Operation mode: COOL, DRY,
AUTO, FAN, HEAT
F Preparing for Heating mode
G Defrost mode
H Set temperature
I Power ON
J Louver
K Not available function
L Ventilation
M Function setting mode
N Test run mode
O Error check mode
P Filter sign
Q Set effective for 1 hr.
R Sensor position
S Room temperature
T Airflow
U Fan speed
3.2. Selecting operation
When selecting operation
1. Press the
Consecutive press of the selecting operation button switches the operation
A
B
over to E “
check the display.
For cooling
Press the
For dry
Press the
• Dry operation cannot be carried out at a room temperature of less than 18 °C.
For fan
Press the
• The fan operation functions to circulate the air in the room.
• The temperature of the room cannot be set by fan operation.
Caution:
Never expose your body directly to cool air for a long time. Excessive exposure to cool air is bad for your health, and should therefore be avoided.
Dry operation
The dry is a microcomputer-controlled dehumidifying operation which controls excessive air-cooling according to the room temperature of your choice. (Not usable
for heating.)
1. Until reaching room temperature of your choice
The compressor and indoor fan function is linked motion according to the change
of the room temperature and automatically repeat ON/OFF.
2. When reaching room temperature of your choice
Both the compressor and indoor fan stop.
When stop continues for 10 minutes, the compressor and indoor fan are operated for 3 minutes to keep the humidity low.
For heating
Press the
Regarding displays during heating operation “DEFROST”
Displayed only during the defrosting operation.
“STAND BY”
Displayed from the start of heating operation until the moment warm air blows out.
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3 [selecting operation] button
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”, “ ”, “ ”, (“ ”), and (“ ”). For the contents of operation,
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3 [selecting operation] button and bring up the “ ” display.
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3 [selecting operation] button and bring up the “ ” display.
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3 [selecting operation] button and bring up the “ ” display.
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3 [selecting operation] button to bring up the “ ” display.
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Caution:
• When the air conditioner is used together with burners, thoroughly ventilate the area. Insufficient ventilation can result in accidents due to oxygen deficiency.
• Never place a burner at a place where it is exposed to the airflow from the
air conditioner.
Doing so can result in imperfect combustion of the burner.
• The microcomputer functions in the following cases:
• Air does not blow out when heating starts.
- To prevent any cool air from escaping.
Wait a moment until the airflow comes out naturally.
For ventilation
Press the operation mode ( ) button and select the ventilation mode
• Used to provide ventilation without using the heat or air conditioning functions
of the unit.
• The display will not appear when the ventilation equipment is not at-
tached.
.
B should be displayed.
3.3. Room temperature adjustment
3.6. Timer setting
• If the timer is set, the unit starts (stops) at the set time, and the time mode is
terminated.
• When you wish to confirm the starting and ending time, press the 4 [time
selection] button while C “
Function of timer
On-timer
Set the on-timer for the time the working day begins in your company.
When the set start time arrives, the air conditioner starts operation.
Off-timer
Use the off-timer as a reminder to turn off the air conditioner. When the set endwork time arrives, the air conditioner stops operation.
There are three methods for using the timer.
1. ON/OFF Timer: When setting both starting and ending time
2. On-timer: When only setting the starting time
(Ending time is set to “ - - : - - ”)
3. Off-timer: When only setting the ending time
(Starting time is set to “ - - : - - ”)
” is displayed.
To change room temperature
Press the
perature of your choice.
Pressing
If the pressing is continued, the setting continues to change by 1 °C.
• Indoor temperature can be set within the following range.
• It is impossible to set the room temperature by the air-blow operation.
* The range of room temperature display is 8 - 39 °C. Outside this range, the
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1 [room temperature adjustment] button and set the room tem-
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or once changes the setting by 1 °C.
Cooling/dry: 19 - 30 °C
Heating: 17 - 28 °C
display flashes either 8 - 39 °C to inform you if the room temperature is lower or
higher than the displayed temperature.
3.4. Fan speed adjustment
Fan speed : 1 stage
Display :
(High)
3.5. Time setting
• Set the current time after turning ON the power of the air conditioner or after
restoration from a power failure.
• It can be set regardless of the operation of the indoor unit.
• During the time operation, the time-setting button becomes void, disabling time
setting.
1. Press the
display
• Every time it is pressed, the display changes.
CLOCK
44
4 [time selection] button and bring up the
44
“current
time”
ON
“timer start
time”
OFF
“timer end
Caution:
When the current time is not yet set, the “CLOCK (current time)” display
flashes, disabling the setting of timer operation.
2. Set the current time by pressing the
• The time cannot be set while the C “timer on” is displayed.
• While the A “CLOCK” time is displayed, press the time setting 4
buttons and set the time.
• The setting advances one minute every time the 4
once, and regresses one minute every time the 4
once.
When respective 4
display goes forward fast. It advances in the order of 1 minute unit - 10 minute
unit - one hour unit.
• About 10 seconds after the button operation has been completed, the C “cur-
rent time” and A “CLOCK” displays disappear.
/ buttons are pressed continuously, the time
44
4 or button
44
AA
A “current time”
AA
time”
button is pressed
button is pressed
(no display)
/
Display example of timer setting
ON OFF
The example shows a timer set for operation start at 8:00 and end at 17:00.
1. Press the
2. Press the
display
3. Press the
starting time
When using it as an off-timer, set the starting time to “ - - : - - ”.
The “ - - : - - ” is displayed next to 23:50.
4. Press the
display
5. Press the
time
When using it as an on-timer, set the ending time to “ - - : - - ”.
The “ - - : - - ” is displayed next to 23:50.
6. Press the
Bringing up the
Every time the 4
advances (or regresses) by 10 minutes.
If the button is pressed continuously, it advances (or retrogresses) continuously.
First set the hour digit and then set the minute digit.
When the ON/OFF timer mode is set, you can run (on-timer) or stop (off-timer)
operation by pressing the B [ON/OFF] button even when there is remaining time.
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2 [timer/continuous] button and bring up the
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44
4 [time selection] button and bring up the
44
44
( ) button of the
4
44
44
4 [time selection] button and bring up the
44
44
( ) button of the [time switch] and set the ending
4
44
22
2 [timer/continuous] button and bring up the
22
CC
” display completes the setting
C “
CC
( ) button of the 4 [timer selection] is pressed once, it
44
4 [time selection] and set the
44
ON OFF
CC
C no display
CC
AA
A “Timer start time”
AA
AA
A “Timer end time”
AA
CC
” display.
C “
CC
Release
Press the
1) Ventilator-Airconditioner combined operation
1. If the unit is off, press the B ON/OFF button to turn it on.
• The ventilation equipment will operate automatically when connected to the
2. Press the 8
• You can set the ventilation speed at LOW or HIGH.
2) Changing the ventilation setting
Press the 8
• The setting changes each time the button is pushed.
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2 [timer/continuous] button and disappear the “ ” display.
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The ON indicator should light up.
unit.
button.
button.
[Low] ← [High]
→
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Caution:
• Remote controller is equipped with a simplified clock with a precision of
about + or - one minute per month.
• The time must be readjusted (reset) every time the air conditioner is subjected to a power stop of the air conditioner or a power failure.
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For wireless remote controller (option)
AUTO STOP
D Press the
• Time can be set while the following symbol is blinking.
OFF timer : V
ON timer : V
E Use the
F Canceling the timer.
To cancel the OFF timer, press the
To cancel the ON timer, press the
• It is possible to combine both OFF and ON timers.
• Pressing the
stop the unit will cancel the timers.
• If the current time has not been set, the timer operation cannot be used.
AUTO START
or
button (TIMER SET).
is blinking.
is blinking.
min
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and
buttons to set the desired time.
AUTO STOP
button.
AUTO START
button.
ON/OFF button of the remote controller during timer mode to
4. The smart way to use
3.7. Others
CENTRALLY CONTROLLED
STAND BY
DEFROST
CHECK
NOT AVAILABLE
FILTER
: Displayed when control is executed by a separately
sold centralized control unit, etc.
: Displayed from the start of heating operation until the
moment warm air blows out.
: This displays indication when some abnormality oc-
curs in the unit.
: When a button is pressed for any function which the
indoor unit cannot perform, this display flashes concurrently with the display of that function.
: In the system in which the [Sensor] display is indi-
cated as the “remote controller”, room temperature
measurement is performed by the room temperature
sensor built into the remote controller. Therefore, pay
attention to the following:
: Displayed when it is time to clean the filter.
Press the A [Filter] button twice, then the display is
disappeared.
Even minimal steps to care for your air conditioner can help make its use far
more effective in terms of air-conditioning effect, electricity charges, etc.
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Set the right room temperature
• In cooling operation, a temperature difference of about 5°C between indoors
and outdoors is optimum.
• If the room temperature is raised by 1°C during air-cooling operation, about 10%
electric power can be saved.
• Excessive cooling is bad for health. It also results in the waste of electric power.
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Clean the filter thoroughly
• If the screen of the air filter becomes clogged, the airflow and air-conditioning
effect can be significantly reduced. Further, if the condition is left unattended,
failure can result. It is particularly important to clean the filter at the beginning
of the cooling and heating seasons. (When profuse dust and dirt have accu-
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mulated, clean the filter thoroughly.)
5. Caring for the machine
Always have filter maintenance performed by a service person.
Before care-taking, turn the power supply OFF.
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Caution:
• Before you start cleaning, stop operation and turn OFF the power supply.
Remember that the fan is rotating inside at high speed, posing a serious
risk of injury.
• Indoor units are equipped with filters to remove the dust of sucked-in air.
Clean the filters using the methods shown in the following sketches. (The
standard filter should normally be cleaned once a week, and the long-life
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filter at the beginning of each season.)
How to clean
• Clear dust away lightly or clean it up with a vacuum cleaner. In the case of
severe staining, wash the filter in lukewarm water mixed with dissolved neutral
detergent or water, and then rinse off the detergent completely. After washing,
dry it and fix it back into place.
Caution:
• Do not dry the filter by exposing it to direct sunlight or warming it using
fire, etc. Doing so can result in the deformation of the filter.
• Washing it in hot water (more than 50 degree C) can also result in defor-
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mation.
Prevent intrusion of heat during air-cooling
• To prevent the intrusion of heat during cooling operation, provide a curtain or a
blind on the window to block out direct sunlight. Also, do not open the entrance
or exit except in cases of dire necessity.
Carry out ventilation sometimes
• Since the air periodically gets dirty in a room that is kept closed for a long time,
ventilation is sometimes necessary. When gas appliances are used together
with the air conditioner, special precautions must be taken. If the “LOSSNAY”
ventilation unit developed by our company is used, you can perform ventilation
with less waste. For details on this unit, consult with your dealer.
Caution:
Never pour water or flammable sprays onto the air conditioner. Cleaning using
these methods can result in the failure of the air conditioner, electric shock,
or fire.
Replacement of filter
[Fig. 5.0.1] (P.2)
A Air outlet B Air inlet
C Air filter D Air filter handle
(1) The air filter is located at the air inlet (rear side of the unit).
(2) Lift the air filter handles and pull the filter towards you.
(3) If you are going to use an air inlet conduit. remove the air filter. In this case, an
air filter must be prepared locally and installed at the intake grille.
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8
6. Troubleshooting
Before you call out a repair man, check the following table to see whether there is
a simple solution to your problem.
● Unit does not cool or heat very well.
• Clean the filter. (Dust and debris that collects in the filter will decrease airflow.)
• Check the temperature setting and adjust it if necessary.
• Increase the space surrounding the outdoor unit.
Is the air intake or air outlet blocked?
• Is a window or door open?
● The unit does not blow air out right away in the heating mode.
• The unit is preparing to deliver warm air.
● The unit stops operating before arriving at the set temperature in the
heating mode.
• Frost forms when the outdoor temperature is low and humidity is high. Wait
for about 10 minutes for the frost to melt.
● There is a “swishing” noise that occurs from the unit when water flows.
• This sound is made when refrigerant inside of the unit is flowing or refilling.
● A ticking noise is heard from inside of the unit.
• This sound is made when internal par ts of the unit expand or contract when
the temperature changes.
● An odor is detected in the room.
• This is caused when the unit expels odors that have been absorbed from the
walls, carpets, furniture or clothing.
● A white mist is expelled from the indoor unit.
• This may occur just after the unit is turned on when a high level of humidity is
present in the room.
● Water or moisture is expelled from the outdoor unit.
• This occurs to expel water or moisture that may have collected in the pipes
or around piping fixtures.
• This occurs to dispel water from the heat exchanger.
● The indicators of the remote controller do not light up when operated.
• Turn on the power switch. “ · ” will be displayed.
● CENTRALLY CONTROLLED is displayed in the remote controller.
• The start and stop functions of the remote controller are not available when
the CENTRALLY CONTROLLED message is lit.
● The start and stop functions are not available just after restarting the
unit.
• Wait about three minutes (operation has stopped to prevent damage to the
air conditioner).
● The unit started even though the start/stop button was not pushed.
• Is the timer on?
Press the start/stop button to stop the unit.
• Was a distant command sent from the remote controller?
Find out if the remote controller was used.
• Is the CENTRALLY CONTROLLED message lit?
Find out if the remote controller was used.
• Is the automatic (cooling/heating) mode selected?
Press the start/stop button to stop the unit.
● The unit stopped even though the start/stop button was not pushed.
• Is the timer on?
Press the start/stop button to restart the unit.
• Was a distant command sent from the remote controller?
Find out if the remote controller was used.
• Is the CENTRALLY CONTROLLED message lit?
Find out if the remote controller was used.
● The remote controller’s timer cannot be set.
• Set the schedule timer if one is connected.
● “HO” is displayed in the remote controller.
• An automatic startup test is being performed (will last for about two minutes).
● An error code is displayed in the remote controller.
• A self-diagnostic function is being performed to preserve the air conditioner.
* Do not attempt to make repairs yourself. Turn the main switch off and
contact the dealer from whom you bought the air conditioner. Provide him
or her with the name of the unit and the information displayed in the remote controller.
● No display appears on the wireless remote controller. Signals are not
received by the thin sensor unless sent from close up.
• The batteries are becoming weak.
Replace the batteries and press the reset button.
* If the display does not appear after replacing the batteries, make sure that
the (+, –) cells are aligned correctly.
● The operating display of the wireless remote controller’s receiver is flashing.
• A self-diagnostic function is being performed to preserve the air conditioner.
* Do not attempt to make repairs yourself. Turn the main switch off and
contact the dealer from whom you bought the air conditioner. Provide him
or her with the name of the unit.
● The fan in the indoor unit does not operate.
• Check the over-current relay on the fan motor to determine whether it has
been tripped.
If the over-current relay has been tripped, reset it after eliminating the cause
of the problem (e.g. motor lock).
To reset the over-current relay, open the control box and press the green
claw on bottom-right of the relay until a click is heard. Release the claw and
check that it returns to its original position.
Note that if it is pressed too hard it will not return to its original position.
GB
D
F
NL
7. Troubleshooting [for wireless remote controller (option)]
Before you call out a repair man, check the following table to see whether there is a simple solution to your problem.
Problem
Unit does not operate at all.
NOTE: After a power cut, the unit will not restart automatically. You will have to restart it by pressing the POWER - ON/OFF button on the remote controller.
If none of the above apply, turn the main switch off and contact the dealer from whom you bought the air-conditioner, telling him the model name and the nature of the
problem. Do not try to fix the unit yourself.
In any of the following cases, turn off the main power switch and contact your local dealer for service:
• The operation lamp (on the main unit) flashes.
• The switches do not work properly.
• The circuit breaker trips frequently (or the fuse blows frequently).
• Water has accidentally been splashed into the unit.
• Water leaks from the unit.
• Something is accidentally dropped into the air-conditioner.
• An unusual noise is heard during operation.
The following do not indicate any malfunction:
Odours: smells such as tobacco or cosmetic odours may persist after they have been sucked into the unit.
Sound of liquid flowing inside indoor unit: this can occur during or after operation and is simply the sound of refrigerant being circulated inside the unit.
Ticking sound coming from indoor unit: this can occur when cooling or heating has just begun or has just stopped. It is caused by the indoor unit shrinking or expanding
slightly due to the change in temperature.
The message “CENTRALLY CONTROLLED” appearing on the LCD panel: from time to time, this message may come up on the LCD panel. This does not indicate any
malfunction.
Turn main power on. Then press the
POWER ON/OFF button to turn the unit
on.
Wait until power is restored, then press
the POWER ON/OFF button to turn the
unit on.
Solution
Problem
Unit does not start immediately.
Solution
Wait until the unit restarts automatically.
The compressor may hesitate resuming
because a three-minute resume prevention circuit is incorporated in the outdoor
unit for protection of the compressor.
9
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8. Installation and transferring works, and checking
Regarding place for installation
Consult with your dealer for details on installation and transferring the installation.
Caution:
Never install the air conditioner where there is a risk of leakage of flammable
gas.
If gas leaks and accumulates around the unit, fire can result.
Never install the air conditioner at the following place:
• where there is much machine oil
• near ocean and beach areas where there is much salt
• where humidity is high
• where there are hot springs nearby
• where there is much sulfureted gas
• where there is a high-frequency processing machinery (a high-frequency welder,
etc.)
• where acid solution is frequently used
• where special sprays are frequently used
• Install the indoor unit horizontally. Otherwise, water leakage can result.
• Take sufficient measures against noise when installing the air conditioners at
GB
hospitals or communication-related businesses.
If the air conditioner is used in any of the above-mentioned environments, frequent
operational failure can be expected. It is advisable to avoid these types of installation sites.
For further details, consult with your dealer.
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Regarding electrical work
Caution:
• The electrical work must be undertaken by a person who is qualified as
an electric engineer according to the [technical standard respecting electrical installation], [internal wiring rules], and the installation instruction
manual with the absolute use of exclusive circuits. The use of other products with the power source can result in burnt-out beakers and fuses.
F
• Never connect the grounding wire to a gas pipe, water pipe, arrester, or
telephone grounding wire. For details, consult with your dealer.
• In some types of installation sites, the installation of an earth leakage
breaker is mandatory. For details, consult with your dealer.
Regarding transfer of installation
• When removing and reinstalling the air conditioner when you enlarge your
home, remodel, or move, consult with your dealer in advance to ascertain the
cost of the professional engineering work required for transferring the installation.
Caution:
When moving or reinstalling the air conditioner, consult with your dealer.
Defective installation can result in electric shock, fire, etc.
Regarding noise
• In installing work, choose a place that can fully bear the weight of the air conditioner, and where noise and vibration can be reduced.
• Choose a place where cool or warm air and noise from the outdoor air outlet of
the air conditioner do not inconvenience the neighbors.
• If any alien object is placed near the outdoor air outlet of the air conditioner,
decreased performance and increased noise can result. Avoid placing any
obstacles adjacent to the air outlet.
• If the air conditioner produces any abnormal sound, consult with your dealer.
Maintenance and inspection
• If the air conditioner is used throughout several seasons, the insides can get
dirty, reducing the performance.
Depending upon the conditions of usage, foul odors can be generated and
drainage can deteriorate due to dust and dirt, etc.
9. Specifications
NL
PEH-P-MYA SERIES
Item
Power source
Cooling capacity*1
SWI
Heating capacity*1
Dimension Width mm
Net weight kg
Fan
Noise level dB(A)
Notes: *1 Refer to the product nameplate attached to the unit for the electrical specifications.
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Operating range
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Cooling
Heating
Units should be installed by licensed electric contractor accordingly to local code requirement.
Voltage 3N~ V
Frequency Hz
Height mm
Depth mm
Airflow rate m
External static pressure*2
*2 Rating conditions (cooling) Indoor: 27°C DB, 19°C WB Outdoor: 35°C DB
*3 Rating conditions (heating) Indoor: 20°C DB Outdoor: 7°C DB, 6°C DB
Maximum
Minimum
Maximum
Minimum
Model
kW
kcal/h
kW
kcal/h
3
/min
Pa
Indoor air intake temperature
32°C DB, 23°C WB
21°C DB, 15°C WB
PEH-P8MYA
380, 400, 415
50
20.9
18,000
23.7
20,400
428
1,380
650
70
60
50 <150>
49
27°C DB
20°C DB
Outdoor air intake temperature
24°C DB, 18°C WB
–11°C DB, –12°C WB
PEH-P10MYA
380, 400, 415
50
26.0
22,400
30.5
26,200
428
1,580
650
80
80
50 <150>
53
46°C DB
–5°C DB
PEH-P16MYA
380, 415
50
41.8
36,000
47.4
40,800
706
1,690
865
180
140
150
55
PEH-P20MYA
380, 415
50
52.0
44,800
61.0
52,400
706
1,993
865
212
170
150
60
Noise level of outdoor unit
Model PUH-P8MYA PUH-P10MYA
Noise level dB(A) 56 57
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This product is designed and intended for use in the residential, commer-
cial and light-industrial environment.
The product at hand is
based on the following
EU regulations:
• Low Voltage Directive 73/23/EEC
• Electromagnetic Compatibility Directive 89/
336/EEC
Please be sure to put the contact address/telephone number on
this manual before handing it to the customer.
WT04129X01
HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
Printed in Malaysia
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