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Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES, LTD. Air-Conditioner.
To get the best long-lasting performance, read and follow this User’s Manual carefully
before using your air-conditioner. After reading, please store the Manual in a safe place
and refer to it for operational questions or in the event of any irregularities.

This air-conditioner is intended for domestic use.

contents

Safety precautions......................................................................................................................... 2

Choice of operations and features ................................................................................................ 4

Name of each part and its function ............................................................................................... 5

Operation and indication section for remote control .................................................................... 7

AUTO mode operation procedure ................................................................................................ 8

Temperature adjustment during AUTO ........................................................................................ 8

About FAN SPEED ...................................................................................................................... 8

COOL/HEAT/DRY mode operation procedure ........................................................................... 9

Air-conditioner operating conditions............................................................................................ 9

Characteristics of HEAT mode operation .................................................................................... 9

Air flow direction adjustment procedure .................................................................................... 10

SLEEP operation procedure ....................................................................................................... 11

OFF-TIMER operation procedure .............................................................................................. 11

ON-TIMER operation procedure................................................................................................ 12

SLEEP ope ON-TIMER operation procedure ............................................................... 12

PROGRAM TIMER operation procedure .................................................................................. 13

Present time setting procedure .................................................................................................... 13

HIGH POWER/ECONOMY operation procedure ..................................................................... 14

Concerning CLEAN operation ................................................................................................... 15

Emergency run operation............................................................................................................ 15

Power blackout auto restart function .......................................................................................... 15

Remote control handling procedure ........................................................................................... 16

When the operation fails with the remote control ...................................................................... 16

Operating hints ........................................................................................................................... 17

Maintenance................................................................................................................................ 17

Has the unit been installed correctly? ......................................................................................... 19

Troubleshooting .......................................................................................................................... 19

Please remember! ....................................................................................................................... 20

When to contact your distributor without delay ......................................................................... 21

Self diagnosis function ............................................................................................................... 22

ENGLISH

An alternative refrigerant (R410A) is used in this air-conditioner. When asking the
dealer for service or inspection and maintenance, explain the dealer about this matter.

RKT012A755_En.p65

1/11/06, 5:37 PM

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Summary of Contents for SRK20ZFX-S

Page 1: ...Deze airconditioner voldoet aan EMC Directive 89 336 EEC LV Directive 73 23 EEC Este acondicionador de aire cumple con la directiva EMC 89 336 EEC LV Directiva 73 23 EEC Este aparelho de ar condiciona...

Page 2: ...cs of HEAT mode operation 9 Air flow direction adjustment procedure 10 SLEEP operation procedure 11 OFF TIMER operation procedure 11 ON TIMER operation procedure 12 SLEEP operation ON TIMER operation...

Page 3: ...lectric shock Depending on the place of installation a circuit breaker may be necessary If you don t fit a circuit breaker you may cause an electric shock Do not install near places where inflammable...

Page 4: ...ide or paint spray near the blower nor aim it directly at the system This may result in a fire Do not place anything containing wa ter like vases on top of the unit Water entering the unit could damag...

Page 5: ...n be set as desired Page 13 When using the timer to switch on the sys tem should become operational shortly be fore the set time depending on the room temperature so that the desired temperature shoul...

Page 6: ...gerant piping connection electric flex Up down air flow direction adjustment flap Page 10 Wireless remote control Page 7 Drain hose Drains water from the dehumidified air Left right air flow adjustmen...

Page 7: ...eaning or others open the panel by 65 degrees and then pull it to this side In emergencies this button can be used for turning on off the unit when re mote control is not available Page 15 Removal ins...

Page 8: ...FF timer and SLEEP operation RESET switch Switch for resetting microcomputer Page 16 Indication section TEMPERATURE indicator Indicates set temperature Does not indicate temperature when operation mod...

Page 9: ...0 1 6 When 6 is indicated even if the button is pressed the indicator does not change Each time the button is pressed the switch over occurs in the following order 6 5 1 0 1 6 When 6 is indicated eve...

Page 10: ...sult in condensation forming on the surface of the indoor unit leading to water drips Characteristics of HEAT mode operation Mechanism and capacity of HEAT mode operation Mechanism The unit draws in h...

Page 11: ...lap stopped Left right direction can be adjusted with the AIRFLOW LEFT RIGHT button on the remote control Each time when you press this button the mode changes as follows Change to AIRFLOW LEFT RIGHT...

Page 12: ...e air conditioner Press the SLEEP button 1 1 1 4 Press the OFF TIMER button The indication changes from blinking to steady lighting and the setting is complete The timer light yellow is on h The unit...

Page 13: ...IMER s time Press the ON TIMER button The indication changes from blinking to steady lighting and the setting is complete The timer light yellow is on h Operation starts 5 to 60 minutes before the set...

Page 14: ...at that time the operation starts 5 to 60 minutes before the timer is at ON The Amenity facility only func tions for COOL and HEAT op eration mode including AUTO It does not work for DRY mode About S...

Page 15: ...eating The remote control indicates but the FAN SPEED indication is eraseed NOTE It will go into ECONOMY operation the next time the air condi tioner runs in the following instances 1 When the air con...

Page 16: ...ter the power has been restored The following settings will be cancelled 1 Timer settings 2 HIGH POWER operations The power blackout auto restart function is set at on when the air conditioner is ship...

Page 17: ...out old batteries Insert new batteries SUM 4 or R03x2 Close back lid When the indicator shows any abnormal condition Press the reset switch with the tip of a ballpoint pen 1 2 3 Attention to the and m...

Page 18: ...hanger Stand firmly on a stepladder or other stable object when removing the inlet panel and filter Before maintenance Wipe the unit with a soft dry cloth There s a danger of electric shock Remove the...

Page 19: ...ter from filter holder and inspect the filter Use a vacuum cleaner to remove any dust or dirt from the allergen clear filter Replace the allergen clear filter if it cannot be cleaned or if it has been...

Page 20: ...e required Suitable installation position Is there any obstruction in front of the indoor unit preventing proper ventilation and functioning Don t install the unit in any of the following places Where...

Page 21: ...The three minute protection timer in the microcomputer automatically starts up again Please wait for three minutes If the unit is operated for a long time in high humidity moisture may form on the air...

Page 22: ...ON OFF but ton is pressed even after turning off the power switch and restarting the operation after 3 minutes the faulty move ment does not disappear A switch does not activate properly You hear a s...

Page 23: ...time flash RUN light keeps flashing Over heat of compressor Error of signal transmission 5 time flash 6 time flash RUN light ON Broken room temperature sensor wire poor connector connection Defective...

Page 24: ...Deze airconditioner voldoet aan EMC Directive 89 336 EEC LV Directive 73 23 EEC Este acondicionador de aire cumple con la directiva EMC 89 336 EEC LV Directiva 73 23 EEC Este aparelho de ar condiciona...

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