Mitsubishi Electric MFZ-KA50VA / SUZ-KA50VA [2/30] Contents

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

Do not use intermediate connection of the power supply cord or the extension cord and do not

connect many devices to one AC outlet.

• A fire or an electric shock may result from poor contact, poor insulation, exceeding the permissible

current, etc.

Do not scratch or process the power supply cord, etc.

• Do not put heavy object on the power supply cord and do not scratch or process the cord. The cord may

be damaged and this may cause a fire or an electric shock.

Do not turn the breaker off/on or disconnect/connect the power supply plug during operation.

• This may cause a fire due to spark, etc.

• Be sure to turn off the breaker or disconnect the power supply plug absolutely after switching the indoor

unit off with the remote controller.

Do not expose your skin directly to cool air for a long time.

• This could damage your health.

The customer should not install this unit.

• If this is done incorrectly, it may cause a fire, an electric shock, or injury from the unit falling, water

leaking, etc. Consult your dealer.

Do not insert your finger or a stick, etc. into the air inlet/outlet.

• Since the fan rotates at high speed, this may cause an injury.

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

When an abnormality (burning smell, etc.) occurs, stop the air conditioner and disconnect the power

supply plug or turn off the breaker.

• If the unit continues to be operated in an abnormal condition, it may cause a fire, trouble, etc. In this case,

consult your dealer.

Repairs or relocation should not be done by the customer.

• If this is done incorrectly, it may cause a fire, an electric shock, or injury from the unit falling, water

leaking, etc. Consult your dealer.

• If the power supply cord is damaged, it must be replaced by the manufacturer or its service agent in order

to avoid a hazard.

When the air filter is to be removed, do not touch the metal parts of the indoor unit.

• This may cause an injury.

Do not put a vase or glass on the indoor unit.

• Water dropping into the indoor unit may deteriorate the insulation, causing electric shock.

Do not use an insecticide or flammable spray.

• This may cause a fire or deformation of the cabinet.

Do not put a pet or houseplant where it will be exposed to direct airflow.

• This could injure the pet or plant.

Do not leave the unit on an installation stand which is damaged.

• The unit may fall and this may cause an injury.

Do not step onto an unstable bench when maintaining the unit, etc.

• This may cause an injury, etc. if you fall down.

Do not pull the power supply cord.

• The core wire of the power supply cord may be disconnected and this may cause a fire.

Do not charge or disassemble the batteries and do not throw them into a fire.

• This may result in leakage, fire or an explosion.

Do not operate the unit for a long time in high humidity, e.g. leaving a door or window open.

• In the cooling mode, if the unit is operated in a room with high humidity (80% RH or more) for a long time,

water condensed in the air conditioner may drop and wet or damage furniture, etc.

Do not operate the unit at low outside temperature (less than -10°C) in the cooling mode.

• In the cooling mode, if the unit is operated at low outside temperature (less than -10°C), water con-

densed in the air conditioner may drop and wet or damage furniture, etc.

WARNING

CAUTION

CONTENTS

SAFETY PRECAUTIONS ........................................................................................................................................................ 2

NAME OF EACH PART ............................................................................................................................................................ 3

PREPARATION BEFORE OPERATION .................................................................................................................................. 4

AUTO CHANGEOVER... AUTO MODE OPERATION .............................................................................................................. 6

MANUAL OPERATION (COOL, DRY, HEAT) ........................................................................................................................... 7

AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT ...................................................................................................... 7

AIR OUTLET SELECTION ...................................................................................................................................................... 8

ECONO COOL OPERATION ................................................................................................................................................... 9

i-save OPERATION .................................................................................................................................................................. 9

TIMER OPERATION (ON/OFF TIMER) ................................................................................................................................. 10

WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME .......................................................... 10

MAINTENANCE ..................................................................................................................................................................... 10

CLEANING THE FRONT GRILLE ......................................................................................................................................... 11

CLEANING THE CATECHIN AIR FILTER .............................................................................................................................. 11

CLEANING THE AIR CLEANING FILTER ............................................................................................................................. 12

REPLACEMENT OF THE AIR CLEANING FILTER ............................................................................................................... 12

BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN ...................................... 13

WHEN YOU THINK THAT TROUBLE HAS OCCURRED ...................................................................................................... 13

INSTALLATION, RELOCATION AND INSPECTION .............................................................................................................. 14

SPECIFICATIONS ................................................................................................................................................................. 14

SAFETY PRECAUTIONS

• Since rotating parts and parts which could cause an electric shock are used in this product, be sure to read

these “Safety Precautions” before use.

• Since the cautionary items shown here are important for safety, be sure to observe them.

Marks and their meanings

WARNING:

Incorrect handling could cause a serious hazard, such as death, serious injury, etc. with a high probability.

CAUTION: Incorrect handling could cause a serious hazard depending on the conditions.

Meanings of symbols used in this manual

• The colour of the sticker affixed to the unit is written in the parentheses.

: Be sure not to do.

: Be sure to follow the instruction.

(Black) : Never insert your finger or stick, etc.

(Black) : Never step onto the indoor/outdoor unit and do not put anything on them.

: Danger of electric shock. Be careful.

: Be sure to disconnect the power supply plug from the power outlet.

: Be sure to shut off the power.

• After reading this manual, keep it together with the installation manual in a handy place for easy reference.

Warning positions

ENCLOSURE

AIR OUTLET

ENCLOSURE

FRONT GRILLE

HM05B040_MFZ-KA_en.p65 05.4.6, 7:12 PM2

Mitsubishi Electric MFZ-KA50VA / SUZ-KA50VA [2/30] Contents

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