Mitsubishi SEZ-KA35VA, SEZ-KA50VA, SEZ-KA60VA User Manual

Air-Conditioners

SEZ-KA35, KA50, KA60VA

OPERATION MANUAL

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

BEDIENUNGSHANDBUCH

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gründlich durchlesen.

MANUEL D’UTILISATION

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

BEDIENINGSHANDLEIDING

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airconditioner gebruikt.

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.

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MANUAL DE OPERAÇÃO

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unidade de ar condicionado.

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Contents

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

2. Operation..................................................................................................................................................................................... 3

3. Care and cleaning ..................................................................................................................................................................... 13

4. Troubleshooting ......................................................................................................................................................................... 13

5. Installation, relocation and inspection ....................................................................................................................................... 14

6. Specifications ............................................................................................................................................................................ 15

1. Safety Precautions

s Before installing the unit, make sure you read all the “Safety precautions”.
s The “Safety precautions” provide very important points regarding safety. Make sure you follow them.
s Please report to or take consent by the supply authority before connection to the system.

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 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.

: Indicates that the main switch must be turned off before servicing.

: Beware of electric shock.

: Beware of hot surface.

Warning:

Carefully read the labels affixed to the main unit.

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.

• 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.

• Ventilate the room if refrigerant leaks during operation.
If the refrigerant comes in contact with a flame, poisonous gases will be released.

• 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 fingers, sticks etc. into the intakes or outlets, otherwise injury may result, since the fan inside the unit rotates at high speed.

• If you detect odd smells, stop using the unit, turn off the power switch and consult your dealer.

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

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

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. 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

2. Operation

˚C

˚C

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

1

A

˚C

˚C

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

2

B

1

A

˚C

˚C

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 SUN

2

3

4

Day of the Week &
Time display

Day of the Week Setting

Time Setting

2.1. 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.

2.2. Setting the day of the week and time

■ Use this screen to change the current day of the week and time setting.

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

ss

sHow to Set the Day of the Week and Time...

ss

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 2 before pressing the Filter

button 4.

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

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

2.3. Switching the unit on/off

• The power supply should not be turned off while the air conditioner is in
use. This can cause the unit to break down.
1 Press the ON/OFF button.

AThe ON indicator should light up.

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

• If the operation stops due to a power failure, the unit will not automati­cally restart until the power has been restored. Press the ON/OFF but­ton to restart.

2.4. Mode select

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

AThe ON indicator should light up.

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

tion mode.

B

s

(COOL) Cooling mode

(DRY) Drying mode

(FAN) Fan mode

(HEAT) Heating mode

(AUTO) Automatic (cooling/heating) mode

3

2. Operation

˚C

˚C

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

A

1

˚C

˚C

SIMPLE

PAR-21MAA

ON/OFF

FILTER

CHECK

OPERATION

CLEAR

TEST

TEMP.

MENU

BACK DAY

MONITOR/SET

CLOCK

ON/OFF

A

1

TEMP.

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

ss

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

ss

nect two or more indoor units with 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, indicating
an operation state.
In this case, please 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. Cannot change over to the operating mode (COOL ↔
HEAT) and becomes a state of standby.

• When indoor unit starts the operation while the defrosting of outdoor
unit is being done, it takes a few minutes (max. about 15 minutes) to
blow out the warm air.

• In the heating operation, though indoor unit that does not operate may
get warm or the sound of refrigerant flowing may be heard, they are not
malfunction. The reason is that the refrigerant continuously flows into it.

2.5. Selecting a temperature

ss

sTo decrease the room temperature:

ss

1 Press button to set the desired temperature.

AThe selected temperature is displayed.

• Each time you press the button, the temperature value decreases by 1 °C.

ss

sTo increase the room temperature:

ss

1 Press button to set the desired temperature.

AThe selected temperature is displayed.

• Each time you press the button, the temperature value increases by 1 °C.

• Available temperature ranges are as follows:

Cooling & Drying: 19 - 30 °C
Heating: 17 - 28 °C
Automatic: 19 - 28 °C

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

4

2.6. Selecting a fan speed

1 Press button to select a desired fan speed.

• Each time you press the button, available options change with the dis­play A on the remote controller, as shown below.

Fan speed

2-stage

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).

Remote controller display

Low High

▼

▼

˚C

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

˚C

SUN

ON

WEEKLY

6

7

5

2. Operation

Operation No.

Shows the time
setting

Day Setting

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

Shows the temperature setting
* Does not appear if tempera-

ture is not set.

2.7. Using the timer

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 2.10. [4]–3 (3).

2.7.1. Using the 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.)

ss

sHow to Set the Weekly Timer

ss

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.)

Setup Matrix

Op No. Sunday Monday ··· Saturday

• 8:30

• ON

No. 1

No. 2

• 23 °C

• 10:00

• OFF

• 10:00

• OFF

• 10:00

• OFF

• 10:00

• OFF

···

No. 8

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.)

ss

sSetting the Weekly Timer

ss

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

intervals, 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”

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) ⇔ 24 ⇔ 25 ⇔ ... ⇔ 29 ⇔ 30 ⇔ 12 ⇔ ... ⇔ 23
⇔ No display.
(Available range: The range for the setting is 12 °C to 30 °C. The
actual range over which the temperature can be controlled, how­ever, will vary according to the type of the connected unit.)

<Operation 1 settings for
Sunday>

▲

Start the air conditioner at
8:30, with the temperature
set to 23 °C.

▲

<Operation 2 settings for
every day>

Tur n off the air conditioner
at 10:00.

5