Mitsubishi Electric Mr. Slim SEZ-KD09, Mr. Slim SEZ-KD12, Mr. Slim SEZ-KD15, Mr. Slim SEZ-KD18NA Operation Manual

Air-Conditioners

SEZ-KD09,KD12,KD15,KD18NA

OPERATION MANUAL

For safe and correct use, please read this operation manual thoroughly before operating the air-conditioner unit.

FOR USER

English

MANUEL D’UTILISATION

Pour une utilisation correcte sans risques, veuillez lire le manuel d’utilisation en entier avant de vous servir du
climatiseur.

POUR L’UTILISATEUR

Français

KB79K741H01_cover.pm6 08.9.19, 3:17 PM1

2

Contents

s Before installing the unit, make sure you read all the “Safety

Precautions”.

s The “Safety Precautions” provide very important points regard-

ing safety. Make sure you follow them.

s Please report to or take consent by the supply authority be-

fore connection to the system.

1. Safety Precautions

2. Parts Names

■ Indoor Unit

SEZ-KD·NA

Fan steps 3 steps
Vane –
Louver –
Filter Normal
Filter cleaning indication –

This symbol mark is for EU countries only.
This symbol mark is according to the directive 2002/96/EC Article 10 Information for users and Annex IV.

Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and components which can be
recycled and reused.
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your house­hold waste.
Please, dispose of this equipment at your local community waste collection/recycling center.
In the European Union there are separate collection systems for used electrical and electronic product.
Please, help us to conserve the environment we live in!

Symbols used in the text

Warning:
Describes precautions that should be observed to prevent danger 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 a part which must be grounded.

Warning:

• 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 fire may result.

• Do not stand on, or place any items on the unit.

• 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.

• Do not remove the front panel or the fan guard from the outdoor
unit when it is running.

• When you notice exceptionally abnormal noise or vibration, stop
operation, turn off the power switch, and contact your dealer.

• Never insert fingers, sticks etc. into the intakes or outlets.

• 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.

• This air conditioner is NOT intended for use by children or infirm
persons without supervision.

• Young children must be supervised to ensure that they do not play
with the air conditioner.

•

If the refrigeration gas blows out or leaks, stop the operation of the
air conditioner, thoroughly ventilate the room, and contact your dealer.

Caution:

• Do not use any sharp object to push the buttons, as this may dam­age the remote controller.

• Never block or cover the indoor or outdoor unit’s intakes or outlets.

Disposing of the unit

When you need to dispose of the unit, consult your dealer.

Note (Marking
for WEEE)

■ SEZ-KD·NA

Ceiling Concealed

1. Safety Precautions ................................................................ 2

2. Parts Names .......................................................................... 2

3. Screen Configuration............................................................. 4

4. Setting the Day of the Week and Time .................................. 4

5. Operation............................................................................... 5

6. Timer ..................................................................................... 6

7. Other Functions ..................................................................... 9

8. Function Selection ............................................................... 10

9. Care and Cleaning .............................................................. 14

10. Troubleshooting ................................................................. 15

11. Installation, relocation and inspection ............................... 16

12. Specifications .................................................................... 17

Air outlet

Air intake

Filter

KB79K741H01_en.pm6 08.10.7, 10:26 AM2

3

■ Wired Remote-Controller

Display Section

For information purposes, all parts
of the display are shown as lit.
During actual operation, only the
relevant items will be lit.

˚F˚C

˚F˚C

ERROR CODE

AFTER

TIMER

TIME SUN MON TUE WED THU FRI SAT

ON
OFF

Hr
AFTER

FILTER

FUNCTION

ONLY1Hr.

WEEKLY

SIMPLE

AUTO OFF

Identifies the current operation

Displays the operating mode, etc.
* Multilanguage display is sup-

ported.

“Centrally Controlled” indicator

Indicates that operation of the re­mote controller has been prohib­ited by a master controller.

“Timer is Off” indicator

Indicates that the timer is off.

Temperature Setting

Shows the target temperature.

Day-of-Week

Shows the current day of the week.

Time/Timer Display

Shows the current time (the 12 hour clock or the 24
hour clock ), unless the simple or Auto Off timer is set.
If the simple or Auto Off timer is set, shows the time
remaining.

“Sensor” indication

Displayed when the remote controller
sensor is used.

“Locked” indicator

Indicates that remote controller but­tons have been locked.

“Clean The Filter” indicator

Comes on when it is time to clean the
filter.

Timer indicators

The indicator comes on if the corre­sponding timer is set.

Up/Down Air Direction indica­tor

The indicator shows the direc­tion of the outcoming airflow.

“One Hour Only” indicator

Displayed if the airflow is set to
weak and downward during COOL
or DRY mode. (Operation varies
according to model.)
The indicator goes off after one
hour, at which time the airflow di­rection also changes.

Room Temperature display

Shows the room temperature. The room tempera­ture display range is 46 °F [8 °C]–102 °F [39 °C].
The display flashes if the temperature is less than
46 °F [8 °C] or 102 °F [39 °C] or more.

Louver display

Indicates the action of the swing louver.
Does not appear if the louver is station­ary.

(Power On indicator)

Indicates that the power is on.

Fan Speed indicator

Shows the selected fan speed.

Ventilation indicator

Appears when the unit is running in
Ventilation mode.

Operation Section

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

Set Temperature buttons

Down
Up

Timer Menu button
(Monitor/Set button)

Mode button (Return button)

Set Time buttons

Back

Ahead

Timer On/Off button
(Set Day button)

Opening the
door.

ON/OFF button

Fan Speed button

Filter button
(<Enter> button)

Test Run button

Check button (Clear button)

Airflow Up/Down button

Louver button
(

Operation button)

To preceding operation
number.

Ventilation button
(

Operation button)

To next operation
number.

2. Parts Names

Built-in temperature sensor

Note:

● “PLEASE WAIT” message
This message is displayed for approximately 3 minutes when power is supplied to the indoor unit or when the unit is recovering from a power failure.

● “NOT AVAILABLE” message
This message is displayed if a button is pressed to operate a function that the indoor unit does not have.
If a single remote controller is used to simultaneously operate multiple indoor units that are different models, this message will not be displayed if
any of the indoor units is equipped with the function.

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4

2. Parts Names

Note:

● The day and time will not appear if clock use has been disabled at the Func­tion Selection of remote controller.

● After the power supply returns, the indoor unit does not operate for three
minutes. Above operation is normal.

● If the setting

11

11

1 or

22

22

2 is set, the 12 hour clock (AM/PM) will be displayed.

11

11

1CHANGE LANGUAGE setting = English [Refer to page 12]
22

22

2Temperature display setting =

°F [Refer to page 12]

If the settings above are not set, the 24 hour clock (rail road time/military
time) will be displayed.
Only “Set Day/Time”, “Standard Control Screens”, “Timer Monitor” and
“Timer Set UP” screens are applicable to the settings.

3. Screen Configuration

■ Outdoor unit

<Screen Types>

For details on setting the language for the remote controller display, refer
to Section 8: Function Selection.
The initial language setting is English.

● Function Selection of remote controller:
Set the functions and ranges available to the re­mote controller (timer functions, operating restric­tions, etc.)

● Set Day/Time: Set the current day of the week or time.

● Standard Control Screens:

View and set the air conditioning system’s oper­ating status

● Timer Monitor: View the currently set timer (weekly timer, sim-
ple timer, or Auto Off timer)

● Timer Setup: Set the operation of any of the timers (weekly
timer, simple timer, or Auto Off timer).

<How to change the screen>
A : Hold down both the Mode button and the Timer On/Off button for 2

seconds.

B : Press the Timer Menu button.
C : Press the Mode (Return) button.
D : Press either of the Set Time buttons ( or ).

˚F˚F

TIMER

MON

OFF

WEEKLY

SUN MON TUE WED THU FRI SAT

WEEKLY

˚F˚F

˚F

TIME SUN

Function Selection of remote controller

Set Day/Time

Standard Control Screens

OFF ON

Timer Monitor Timer Setup

ADC

BC

B

1. Press the or Set Time button A to show display 2.

2. Press the Timer On/Off (Set Day) button 9 to set the day.

*Each press advances the day shown at 3 : Sun → Mon → ... → Fri →

Sat.

3. Press the appropriate Set Time button A as necessary to set the time.

*As you hold the button down, the time (at 4) will increment first in

minute intervals, then in ten-minute intervals, and then in one-hour in­tervals.

4. After making the appropriate settings at Steps 2 and 3, press the Filter

button 4 to lock in the values.

Note:

● Your new entries at Steps 2 and 3 will be cancelled if you press the Mode

(Return) button

22

22

2 before pressing the Filter

button

44

44

4.

5. Press the Mode (Return) button 2 to complete the setting procedure.

This will return the display to the standard control screen, where 1 will
now show the newly set day and time.

4. Setting the Day of the Week and Time

Day of the Week &
Time display

˚F

˚F

TIME SUN

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2

4

9

1

A

Time Setting

TIME SUN

2

3

4

Day of the Week Setting

Power

Ground

Indoor-Outdoor
Connection wire

Refrigerant
Pipes

KB79K741H01_en.pm6 08.10.7, 9:33 AM4

5

˚F

˚F

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2

7

2

3

3

8

6
4
5

8
7
1

1
5

6

5. Operation

5.1. Description of “AUTO RESTART FUNCTION”

• This unit is equipped with the auto restart function. When the main power is
turned on, the air conditioner will start operation automatically in the same
mode as set with the remote controller before the shutoff of main power.

• If the unit was set to off with the remote controller before the shutoff of
main power, it will remain stopped even after the main power is turned on.

• If the unit was in the TEST RUN before the shutoff of main power, it will
start operation, at main power on, in the same mode as set with the
remote controller before the TEST RUN.

Mode
Temperature setting
Fan speed

Remote Controller settings
Last operation mode
Last set temperature
Last set fan speed

5.2. Turning ON/OFF

<To Start Operation>

■ Press the ON/OFF button 1.

• The ON lamp 1 and the display area come on.

Note:

● When the unit is restarted, initial settings are as follows.

<To Stop Operation>

■ Press the ON/OFF button 1 again.

• The ON lamp 1 and the display area go dark.

Note:
Even if you press the ON/OFF button immediately after shutting down the op­eration is progress, the air conditioner will not start for about three minutes.
This is to prevent the internal components from being damaged.

5.3. Mode select

■ If the unit is off, press the ON/OFF button to turn it on.

• 1 The ON indicator should light up.

■ Press the operation mode ( ) button 2 and select the opera-
tion mode 2.

Cooling mode
Drying mode
Fan mode
Heating mode
Automatic (cooling/heating) mode

Ventillation mode

Only indicated on the following condition

Wired remote controller used
LOSSNAY connected

Information for multi system air conditioner (Outdoor
unit: MXZ series)

ss

ss

sMulti system air conditioner (Outdoor unit: MXZ series) can con-

nect two or more indoor units to one outdoor unit. According to the
capacity, two or more units can operate simultaneously.

• When you try to operate two or more indoor units with one outdoor unit
simultaneously, one for the cooling and the other for heating, the opera­tion mode of the indoor unit that operates earlier is selected. The other
indoor units that will start the operation later cannot operate, and will

flash the operation state.
In this case, set all the indoor units to the same operation mode.

• There might be a case that the indoor unit, which is operating in
(AUTO) mode. It cannot change over to the operating mode (COOL ↔
HEAT) and goes to stand by mode.

• When indoor unit starts the operation while the outdoor unit is in defrost
mode, it takes a few minutes (max. about 15 minutes) to blow out the
warm air.

• In heating operation, though an indoor unit that is not operating may it
get warm or the sound of refrigerant flowing may be heard, it is not mal­functioning. That the refrigerant continuously flows into it.

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 4 °F [2 °C] or more above the set temperature for 15 minutes, the
air conditioner switches to cooling mode. If the room temperature re­mains 4 °F [2 °C] or more below the set temperature for 15 minutes, the
air conditioner switches to heating mode.

■ Because the room temperature is automatically adjusted in order to
maintain a fixed effective 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).

Cooling mode

15 minutes (switches
from heating to cooling)

Set temperature +4 °F [2 °C]

Set temperature

Set temperature -4 °F [2 °C]

15 minutes (switches
from cooling to heating )

5.4. Temperature setting

ss

ss

sTo 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 2 °F
[1 °C].

ss

ss

sTo 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 2 °F
[1 °C].

• Available temperature ranges are as follows:

Cooling/Drying: 67 °F [19 °C] - 86 °F [30 °C]
Heating: 63 °F [17 °C] - 83 °F [28 °C]
Automatic: 67 °F [19 °C] - 83 °F [28 °C]

• The display flashes either 47 °F [8 °C] - 103 °F [39 °C] to inform you if
the room temperature is lower or higher than the displayed temperature.

5.5. Fan speed setting

■ Press 5 button to select a desired fan speed.

• Each time you press the button, available options change with the

display 5 on the remote controller, as shown below.

Fan speed

Remote controller display

Low Medium High Auto

3-stage

▼

( )

( )

( )

▼

▼

▼

s

Note:
Auto Mode is not recommended if this indoor unit is connected to a MXZ type
outdoor unit.

KB79K741H01_en.pm6 08.10.7, 9:33 AM5

6

5. Operation

6.1. For Wired Remote-controller

This section explains how to set and use the timer. You can use Function
Selection of remote controller to select which of three types of timer to use:
1 Weekly timer, 2 Simple timer, or 3 Auto Off timer.
For information about how to set the Function Selection of remote control­ler, refer to section 8. [4]–3 (3).

6.1.1. Weekly Timer

■ The weekly timer can be used to set up to eight operations for each day
of the week.

• Each operation may consist of any of the following: ON/OFF time

together with a temperature setting, or ON/OFF time only, or tempera­ture setting only.

• When the current time reaches a time set at this timer, the air

conditioner carries out the action set by the timer.

■ Time setting resolution for this timer is 1 minute.

Note:
*1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time.
*2. The weekly timer will not operate when any of the following conditions is in

effect.
The timer feature is off; the system is in an malfunction state; a test run is
in progress; the remote controller is undergoing self-check or remote con­troller check; the user is in the process of setting a function; the user is in
the process of setting the timer; the user is in the process of setting the
current day of the week or time; the system is under central control. (Spe­cifically, the system will not carry out operations (unit on, unit off, or tem­perature setting) that are prohibited during these conditions.)

˚F

SUN

ON

WEEKLY

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2

42 3

A9 78

0

4

1

3

B

1

Operation No.

Day Setting

<How to Set the Weekly Timer>

1. Be sure that you are at a standard control screen, and that the weekly
timer indicator 1 is shown in the display.

2. Press the Timer Menu button B, so that the “Set Up” appears on the
screen (at 2). (Note that each press of the button toggles the display
between “Set Up” and “Monitor”.)

3. Press the Timer On/Off (Set Day) button 9 to set the day. Each press
advances the display at 3 to the next setting, in the following sequence:
“Sun Mon Tues Wed Thurs Fri Sat” → “Sun” → ... → “Fri” → “Sat” → “Sun
Mon Tues Wed Thurs Fri Sat”...

4. Press the or Operation button (7 or 8) as necessary to select the
appropriate operation number (1 to 8) 4.
* Your inputs at Steps 3 and 4 will select one of the cells from the matrix

illustrated below.
(The remote-controller display at left shows how the display would
appear when setting Operation 1 for Sunday to the values indicated
below.)

6. Timer

5.6. Ventilation

ss

ss

sFor LOSSNAY combination

5.6.1. For Wired Remote-controller

● To run the ventilator together with the indoor unit:

■ Press the ON/OFF button 1.

• The Vent indication appears on the screen (at 8). The ventilator will
now automatically operate whenever the indoor unit is running.

● To run the ventilator independently:

■ Press the Mode button 2 until appears on the display. This will

cause the ventilator to start.

● To change the ventilator force:

■ Press the Ventilation button 8 as necessary.

• Each press toggles the setting, as shown below.

Note:
By setting the day to “Sun Mon Tues Wed Thurs Fri Sat”, you can set the same
operation to be carried out at the same time every day.
(Example: Operation 2 above, which is the same for all days of the week.)

<Setting the Weekly Timer>

˚F

SUN

ON

WEEKLY

6

7

5

Shows the selected operation (ON or OFF)
* Does not appear if operation is not set.

Shows the temperature setting
* Does not appear if temperature is not

set.

Shows the time
setting

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 set-

ting of the unit operating in the heating mode.

• In the dry operation, the indoor fan automatically turns to low-speed
operation. Switching of fan speed is impossible.

• When the temperature of the heat exchanger is low in the heating mode
(e.g., immediately after heating operation starts).

Note:

● In the following cases, the actual fan speed generated by the unit will differ
from the speed shown the remote controller display.

1. While the display is showing “STAND BY” or “DEFROST”.

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.

▲

▲

Low High

Op No. Sunday Monday … Saturday

No. 1

No. 2

…

No. 8

• 8:30

• ON

• 73 °F [23 °C]

• 10:00

• OFF

• 10:00

• OFF

• 10:00

• OFF

• 10:00

• OFF

▲

Setup Matrix

<Operation 1 settings for Sunday>
Start the air conditioner at 8:30, with

the temperature set to 73 °F [23 °C].

▲

<Operation 2 settings for every day>
Turn off the air conditioner at 10:00.

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7

6. Timer

5. Press the appropriate Set Time button A as necessary to set the
desired time (at 5).
* As you hold the button down, the time first increments in minute inter-

vals, then in ten-minute intervals, and then in one-hour intervals.

6. Press the ON/OFF button 1 to select the desired operation (ON or
OFF), at 6.
* Each press changes the next setting, in the following sequence:

No display (no setting) → “ON” → “OFF”

6.1.2. Simple Timer

■ You can set the simple timer in any of three ways.

• Start time only:
The air conditioner starts when the set time has elapsed.

• Stop time only:
The air conditioner stops when the set time has elapsed.

• Start & stop times:
The air conditioner starts and stops at the respective elapsed times.

■ The simple timer (start and stop) can be set only once within a 72-hour
period.
The time setting is made in hour increments.

Note:
*1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time.
*2. The simple timer will not operate when any of the following conditions is in

effect.
The timer is off; the system is in malfunction state; a test run is in progress;
the remote controller is undergoing self-check or remote controller check;
the user is in the process of selecting a function; the user is in the process
of setting the timer; the system is under central control. (Under these con­ditions, On/Off operation is prohibited.)

ONHr

AFTER

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2A9

0

4

1

B

Action (On or Off)

* “— —” is displayed if there is no

setting.

<How to Set the Simple Timer>

1. Be sure that you are at a standard control screen, and that the simple
timer indicator is visible in the display (at 1).
When something other than the Simple Timer is displayed, set it to
SIMPLE TIMER using the function selection of remote controller (see

8.[4]–3 (3)) timer function setting.

2. Press the Timer Menu button B, so that the “Set Up” appears on the
screen (at 2). (Note that each press of the button toggles the display
between “Set Up” and “Monitor”.)

3. Press the ON/OFF button 1 to display the current ON or OFF simple
timer setting. Press the button once to display the time remaining to ON,
and then again to display the time remaining to OFF. (The ON/OFF
indication appears at 3).

•“ON” timer:

The air conditioner will start operation when the specified number of
hours has elapsed.

•“OFF” timer:

The air conditioner will stop operation when the specified number of
hours has elapsed.

4. With “ON” or “OFF” showing at 3: Press the appropriate Set Time button
A as necessary to set the hours to ON (if “ON” is displayed) or the hours
to OFF (if “OFF” is displayed) at 4.

• Available Range: 1 to 72 hours

5. To set both the ON and OFF times, repeat Steps 3 and 4.
* Note that ON and OFF times cannot be set to the same value.

6. To clear the current ON or OFF setting: Display the ON or OFF setting
(see step 3) and then press the Check (Clear) button 0 so that the time
setting clears to “—” at 4. (If you want to use only an ON setting or only
an OFF setting, be sure that the setting you do not wish to use is shown
as “—”.)

˚F

˚F

TIME SUN

WEEKLY

0

˚F

˚F

TIME SUN

WEEKLY

0

7. Press the appropriate Set Temperature button 3 to set the desired
temperature (at 7).
* Each press changes the setting, in the following sequence: No

display (no setting) ⇔ 76 °F [24 °C] ⇔ 78 °F [25 °C] ⇔ ... ⇔
84 °F [29 °C] ⇔ 86 ° F [30 °C] ⇔ 54 °F [12 °C] ⇔ ... ⇔ 73 °F
[23 °C] ⇔ No display.
(Available range: The range for the setting is 54 °F [12 °C] to 86 °F
[30 °C]. The actual range over which the temperature can be con­trolled, however, will vary according to the type of the connected
unit.)

8. After making the appropriate settings at Steps 5, 6 and 7, press the
Filter button 4 to lock in the values.
To clear the currently set values for the selected operation, press and
quickly release the Check (Clear) button 0 once.
* The displayed time setting will change to “—:—”, and the On/Off

and temperature settings will all disappear.
(To clear all weekly timer settings at once, hold down the Check
(Clear) button 0 for two seconds or more. The display will begin
flashing, indicating that all settings have been cleared.)

Note:
Your new entries will be cancelled if you press the Mode (Return) button 2
before pressing the Filter

button 4.
If you have set two or more different operations for exactly the same time,
only the operation with the highest Operation No. will be carried out.

9. Repeat Steps 3 to 8 as necessary to fill as many of the available cells
as you wish.

10.Press the mode (Return) button 2 to return to the standard control
screen and complete the setting procedure.

11.To activate the timer, press the Timer On/Off button 9, so that the

“Timer Off” indication disappears from the screen. Be sure that the
“Timer Off” indication is no longer displayed.

* If there are no timer settings, the “Timer Off” indication will flash on

the screen.

<How to View the Weekly Timer Settings>

1.

Be sure that the weekly timer indicator is visible on the screen (at 1).

2. Press the Timer Menu button B so that “Monitor” is indicated on the
screen (at 8).

3. Press the Timer On/Off (Set Day) button 9 as necessary to select
the day you wish to view.

4. Press the or Operation button (7 or 8) as necessary to change
the timer operation shown on the display (at 9).
* Each press will advance to the next timer operation, in order of

time setting.

5. To close the monitor and return to the standard control screen, press
the Mode (Return) button 2.

<To Turn Off the Weekly Timer>

Press the Timer On/Off button 9 so that “Timer Off” appears at 0.

Timer Settings

˚F

TIMER

SUN

ON

OFF

WEEKLY

1

9

8

ONHr

AFTER

SIMPLE

4

1

3

2

Timer Setting

<To Turn On the Weekly Timer>

Press the Timer On/Off button 9 so that the “Timer Off” indication (at 0)
goes dark.

KB79K741H01_en.pm6 08.10.1, 3:35 PM7

8

6. Timer

7. After completing steps 3 to 6 above, press the Filter button 4 to lock
in the value.

Note:
Your new settings will be cancelled if you press the Mode (Return) button 2
before pressing the Filter

button 4.

8. Press the Mode (Return) button 2 to return to the standard control
screen.

9. Press the Timer On/Off button 9 to start the timer countdown. When the
timer is running, the timer value is visible on the display. Be sure that the

timer value is visible and appropriate.

<Viewing the Current Simple Timer Settings>

TIMER ON

OFFHrAFTER

SIMPLE

1

6

5

1. Be sure that the simple timer indicator is visible on the screen (at 1).

2. Press the Timer Menu button B, so that the “Monitor” appears on the
screen (at 5).

• If the ON or OFF simple timer is running, the current timer value will

appear at 6.

• If ON and OFF values have both been set, the two values appear

alternately.

3. Press the Mode (Return) button 2 to close the monitor display and return
to the standard control screen.

<To Turn Off the Simple Timer...>

Press the Timer On/Off button 9 so that the timer setting no longer ap­pears on the screen (at 7).

Timer Setting

˚F

˚F

SIMPLE

7

˚F

˚F

ONHr

AFTER

SIMPLE

7

<To Turn On the Simple Timer...>

Press the Timer On/Off button 9 so that the timer setting becomes visible
at 7.

Examples

If ON and OFF times have both been set at the simple timer, operation and
display are as indicated below.

Example 1:

Start the timer, with ON time set sooner than OFF time
ON Setting: 3 hours
OFF Setting: 7 hours

ONHr

AFTER

SIMPLE

˚F

˚F

OFFHrAFTER

SIMPLE

SIMPLE

˚F

˚F

OFFHrAFTER

SIMPLE

ONHr

AFTER

SIMPLE

▲

▲

▲

At 3 hours after timer start

Display changes to show the timer’s OFF set­ting (hours remaining to OFF).
The time displayed is OFF setting (7 hours) –
ON setting (3 hours) = 4 hours.

At Timer Start

Display shows the timer’s ON setting (hours
remaining to ON).

At 7 hours after timer start

The air conditioner goes off, and will remain off
until someone restarts it.

˚F

˚F

SIMPLE

▲

At 2 hours after timer start

Display changes to show the timer’s ON setting
(hours remaining to ON).
The time displayed is ON setting (5 hours) –
OFF setting (2 hours) = 3 hours.

At Timer Start

Display shows the timer’s OFF setting (hours
remaining to OFF).

At 5 hours after timer start

The air conditioner comes on, and will continue
to run until someone turns it off.

6.1.3. Auto Off Timer

■ This timer begins countdown when the air conditioner starts, and shuts
the air conditioner off when the set time has elapsed.

■ Available settings run from 30 minutes to 4 hours, in 30-minute intervals.

Note:
*1. Weekly Timer/Simple Timer/Auto Off Timer cannot be used at the same time.
*2. The Auto Off timer will not operate when any of the following conditions is

in effect.
The timer is off; the system is in malfunction state; a test run is in progress;
the remote controller is undergoing self-check or remote controller check;
the user is in the process of selecting a function; the user is in the process
of setting the timer; the system is under central control. (Under these con­ditions, On/Off operation is prohibited.)

AFTER OFF

AUTO OFF

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2A9

4

B

AFTER OFF

AUTO OFF

3

1

2

Timer Setting

<How to Set the Auto Off Timer>

1. Be sure that you are at a standard control screen, and that the Auto Off
timer indicator is visible in the display (at 1).
When something other than the Auto Off Timer is displayed, set it to
AUTO OFF TIMER using the function selection of remote controller (see

8.[4]–3 (3)) timer function setting.

2. Hold down the Timer Menu button B for 3 seconds, so that the “Set Up”
appears on the screen (at 2).
(Note that each press of the button toggles the display between “Set Up”
and “Monitor”.)

3. Press the appropriate Set Time button A as necessary to set the OFF
time (at 3).

4. Press the Filter button 4 to lock in the setting.

Note:
Your entry will be cancelled if you press the Mode (Return) button 2 before
pressing the Filter

button 4.

5. Press the Mode (Return) button 2 to complete the setting procedure and
return to the standard control screen.

6. If the air conditioner is already running, the timer starts countdown
immediately. Be sure to check that the timer setting appears cor-

rectly on the display.

Example 2:

Start the timer, with OFF time is sooner than ON time
ON Setting: 5 hours
OFF Setting: 2 hours

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9

6. Timer

<Checking the Current Auto Off Timer Setting>

1. Be sure that the “Auto Off” is visible on the screen (at 1).

2. Hold down the Timer Menu button B for 3 seconds, so that “Monitor” is
indicated on the screen (at 4).

• The timer remaining to shutdown appears at 5.

3. To close the monitor and return to the standard control screen, press the
Mode (Return) button 2.

<To Turn Off the Auto Off Timer...>

● Hold down the Timer On/Off button 9 for 3 seconds, so that “Timer Off”
appears (at 6) and the timer value (at 7) disappears.

˚F

˚F

AUTO OFF

6

7

AUTO OFF

7

˚F

˚F

AFTER OFF

AUTO OFF

6

7

<To Turn On the Auto Off Timer...>

● Hold down the Timer On/Off button 9 for 3 seconds. The “Timer Off”
indication disappears (at 6), and the timer setting comes on the display
(at 7).

● Alternatively, turn on the air conditioner. The timer value will appear at 7.

AFTER

TIMER

OFF

AUTO OFF

5

1

4

Timer Setting

● Alternatively, turn off the air conditioner itself. The timer value (at 7) will
disappear from the screen.

7. Other Functions

˚F

˚F

TIME SUN

FUNCTION

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

4

1

1

Lock Indicator

7.1. Locking the Remote Controller Buttons (Operation
function limit controller)

■ If you wish, you can lock the remote controller buttons. You can use the

Function Selection of remote controller to select which type of lock to use.
(For information about selecting the lock type, see section 8, item [4]–2
(1)).
Specifically, you can use either of the following two lock types.

1Lock All Buttons:

Locks all of the buttons on the remote controller.

2Lock All Except ON/OFF:

Locks all buttons other than the ON/OFF button.

Note:
The “Locked” indicator appears on the screen to indicate that buttons are cur­rently locked.

<How to Lock the Buttons>

1. While holding down the Filter button 4, press and hold down the ON/OFF

button 1 for 2 seconds. The “Locked” indication appears on the screen
(at 1), indicating that the lock is now engaged.
* If locking has been disabled in Function Selection of remote controller,

the screen will display the “Not Available” message when you press the
buttons as described above.

˚F

˚F

FUNCTION

1

˚F

˚F

FUNCTION

1

˚F

˚F

1

• If you press a locked button, the “Locked” indication (at 1) will blink
on the display.

<How to Unlock the Buttons>

1. While holding down the Filter button 4, press and hold down the ON/OFF
button 1 for 2 seconds—so that the “Locked” indication disappears from
the screen (at 1).

ON/OFF

TEMP.

˚F

˚F

ON/OFF

TEMP.

˚F

˚F

7.2. Other indications

7.2.1. Centrally Controlled

■ When flashes continuously
Displayed when another indoor unit connected to the outdoor unit is
already operating in a different operation mode.
Match with the operation mode of the other indoor unit.

■ When mode switched after display flashes
Displayed when operation mode is restricted for each season by central
controller, etc.
Use another operation mode.

● Displayed when operation is controlled by central controller, etc.
Restricted operations are shown below.

• ON/OFF (including timer operation)

• Operation mode

• Set temperature

Note:
May also be individually restricted.

7.2.2. Flashing Mode Indicator

KB79K741H01_en.pm6 08.10.1, 3:36 PM9

10

7. Other Functions

ON/OFF

ERROR CODE

If you have entered contact number to be called in the event of a prob­lem, the screen displays this number. (You can set this up under Func­tion Selection of remote controller. For information, refer to section 8.)

Indoor Unit’s
Refrigerant
Address

Error Code

Indoor Unit No.

Alternating

Display

ON/OFF

˚F

˚F

ERROR CODE

ON/OFF

CALL:XXXX
XXX:XXX

Error Code

When the Check button is pressed:

ON lamp
(Flashing)

7.2.3. Error Codes indication

● If the ON lamp and error code are both flashing: This means that the air
conditioner is out of order and operation has been stopped (and cannot
resume). Take note of the indicated unit number and error code, then
switch off the power to the air conditioner and call your dealer or servicer.

● If only the error code is flashing (while the ON lamp remains lit): Opera­tion is continuing, but there may be a problem with the system. In this
case, you should note down the error code and then call your dealer or
servicer for advice.
* If you have entered contact number to be called in the event of a

problem, push the Check button to display it on the screen. (You can
set this up under Function Selection of remote controller. For infor­mation, refer to section 8.)

8. Function Selection

Function selection of remote controller

The setting of the following remote controller functions can be changed using the remote controller function selection mode. Change the setting when
needed.

Item 1

1. Change Language
(“CHANGE
LANGUAGE”)

2. Function limit
(“FUNCTION
SELECTION”)

3. Mode selection
(“MODE SELEC­TION”)

4. Display change
(“DISP MODE
SETTING”)

Item 2

Language setting to display

(1) Operation function limit setting (operation lock) (“LOCKING

FUNCTION”)

(2) Use of automatic mode setting (“SELECT AUTO MODE”)

(3) Temperature range limit setting (“LIMIT TEMP FUNCTION”)

(4) Use of automatic filter elevation panel up/down operation

mode setting

(5) Use of fixed airflow direction mode setting

(1) Remote controller main/sub setting (“CONTROLLER MAIN/

SUB”)

(2) Use of clock setting (“CLOCK”)

(3) Timer function setting (“WEEKLY TIMER”)

(4) Contact number setting for error situation (“CALL.”)

(1) Temperature display °C/°F setting (“TEMP MODE °C/°F”)

(2) Suction air temperature display setting (“ROOM TEMP DISP

SELECT”)

(3) Automatic cooling/heating display setting (“AUTO MODE

DISP C/H”)

Item 3 (Setting content)

• Display in multiple languages is possible

• Setting the range of operation limit (operation lock)

• Setting the use or non-use of “automatic” operation mode

• Setting the temperature adjustable range (maximum, minimum)

(For this model, this function is not available.)

(For this model, this function is not available.)

• Selecting main or sub remote controller
* When two remote controllers are connected to one group, one controller

must be set to sub.

• Setting the use or non-use of clock function

• Setting the timer type

• Contact number display in case of error

• Setting the telephone number

• Setting the temperature unit (°F or °C) to display

• Setting the use or non-use of the display of indoor (suction) air tempera-

ture

• Setting the use or non-use of the display of “Cooling” or “Heating” display
during operation with automatic mode

KB79K741H01_en.pm6 08.10.1, 3:36 PM10

11

8. Function Selection

[Function selection flowchart]

Setting language (English)

OFF

on1

on2

OFF

ON

OFF

ON

OFF

OFF

CALL-

ON

OFF

ON

OFF

°C

°F

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

F

E

G

C

D

H

B

A

I

G

G

G

G

G

G

E

E

G

G

G

G

G

E

G

E

G

G

G

G

G

G

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

D

English

Germany

Spanish

Russian

Italy

Chinese

French

Japanese

*

*

Hold down the E button and press the D button for 2 seconds.

Hold down the E button and press the D button for 2 seconds.

Remote controller function selection mode

E Press the operation mode button.
G Press the TIMER MENU button.
D Press the TIMER ON/OFF button.

Item1 Item2

Dot display

Item3

Room air temperature is not displayed.

One of “Automatic cooling” and “Automatic heating” is displayed
under the automatic mode is running. (Initial setting value)

Only “Automatic” is displayed under the automatic mode.

Normal display
(Display when the air condition is not running)

Change
Language

Function
selection

Mode
selection

Display
mode setting

Operation lock setting is not used.
(Initial setting value)

Operation lock setting is except On/Off button.

Operation lock setting is All buttons.

The automatic mode is displayed when the operation mode is
selected. (Initial setting value)

The automatic mode is not displayed when the operation mode
is selected.

The temperature range limit is not active. (Initial setting value)

The temperature range can be changed on cooling/dry mode.

The temperature range can be changed on heating mode.

The temperature range can be changed on automatic mode.

The remote controller will be the main controller. (Initial setting value)

The remote controller will be the sub controller.

The clock function can be used. (Initial setting value)

The clock function can not be used.

Weekly timer can be used. (Initial setting value)

Auto off timer can be used.

Simple timer can be used.

Timer mode can not be used.

The set contact numbers are not displayed in case of error.
(Initial setting value)

The set contact numbers are displayed in case of error.

The temperature unit °C is used. (Initial setting value)

The temperature unit °F is used.

Room air temperature is displayed. (Initial setting value)

*) For this model, this function is not available.

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