background image

−25−

−24−

 

Stop

Run

Menu

16

23 (Mon)

F1: High power

Now stopping.

F2: Energy-saving

Change operation mode

Operation modes which cannot be selected depending on 

combinations of IU and OU are not displayed.

When the Auto is selected, the cooling and heating switching 

operation is performed automatically according to indoor 

and outdoor temperatures.

Cooling

Fan

Dry

Heating

Auto

Change operation mode

Fan

Heating

Back

Auto

Dry

Outdoor

Room

R/C

Cooling

Please select operation mode.

Change set temp

Menu

Direction

Cooling

16

14 (Mon)

F1: High power

Timer

Now stopping.

Set temp

F2: Energy-saving

Menu

Direction

Cooling

16

14 (Mon)

F1: High power

Timer

Now stopping.

Set temp

F2: Energy-saving

Change set temp

Auto

Set

Back

Outdoor

Room

R/C

Tap 

▲▼

 to set temp & tap [Set].

Push the  Run/Stop  switch.
Operation lamp (green) lights and operation starts.

When the operation stops, all operation buttons on the screen turn 
off. When the set lighting time of backlight is counted up, the 
backlight turns off.
When the screen is tapped, the backlight lights, and all operation 
buttons are displayed.

Note

 Do not shut down the power supply immediately after the stop of operation. 
It should be waited for more than 5 minutes till the residual operation time of drain 
motor is counted up. Otherwise, it could cause water leakage or breakdown.

Press the  Run/Stop  switch while the unit is in operation.
The operation lamp turns off and the operation stops.

 

 A message “Invalid request” may be displayed when a button is pushed. This is not a fault but it is because the button operation is set to the “Disable”.

 

 The unit starts to operate initially with the following settings after the power on. These settings can be changed as desired.

    Central control 

……

 OFF

    Operation mode 

……

 With auto mode: Auto cooling

    

……

 Without auto mode: Cooling

    Set temp 

……

 23.0°C

    Fan speed 

……

 3-speed

    Flap direction 

……

 When cooling: position 2, when heating: position 3

When an FDK with a left/right flap is connected, left/right flap direction: center, 3D AUTO: disabled

 

 In the following cases, a message “Operation mode is invalid.” is displayed and it changes to the fan operation, because operation modes are not matched.

 When Heating (including auto heating) is selected for Operation mode while using an OU for cooling only.

  When Heating is selected for Operation mode while controlling multiple units including units allowed for both cooling and heating and units for cooling only.

  When different operation modes are selected between IUs which are connected to a OU that do not allow mixed operation of cooling and heating.

Advice

1

  Tap the   Change operation mode   button on 

the TOP screen.

2   

When the Change operation mode screen is 
displayed, tap the button of desired mode.

The operation mode changes, and the display 
returns to the TOP screen.
Icons displayed have the following meanings.

1

Tap the  Change set temp button on 

the TOP screen.

2  

When the Change set temp screen is 
displayed, select the temperature as 
desired with using 

 

 

buttons. 

3

 After selecting the set temp, tap the 

Set  button. The display returns 

to the TOP screen.

3. Basic Operation

Summary of Contents for RC-EX3

Page 1: ...it 50 Hz Stromversorgung anwendbar Este ar condicionado respeita as seguintes directivas Maquinário 2006 42 EC Baixa Voltagem 2014 35 EU EMC 2014 30 EU RoHS 2011 65 EU Ecodesign 2009 125 EC Tomada CE é aplicável a área da fonte de alimentação 50Hz Questo condizionatore è conforme alle seguenti norme Macchine 2006 42 EC Bassa tensione 2014 35 EU EMC 2014 30 EU RoHS 2011 65 EU Ecoprogettazione 2009 ...

Page 2: ......

Page 3: ...an one remote control are used 8 6 Power on and initial setting 9 7 Menu items 10 8 Installation settings and test run 11 9 R C function settings 13 10 IU settings 15 11 Service Maintenance 18 For the operation part of this Quick reference refer to page 20 Refer to the Installation manual on the following web site for details http www mhi mth co jp en products detail air conditioner_users_manual h...

Page 4: ...it could result in electric shocks break down or malfunction Do not modify the unit It could cause electric shocks fire or break down Be sure to turn OFF the power circuit breaker before repairing inspecting the unit Repairing inspecting the unit with the power circuit breaker turned ON could cause electric shocks or injury Please read this manual carefully before starting installation work to inst...

Page 5: ... shocks fire or break down Use the specified cables for wiring and connect them securely with care to protect electronic parts from external forces Improper connections or fixing could cause heat generation fire etc Seal the inlet hole for remote control cable with putty If dew water insect etc enters through the hole it could cause electric shocks fire or break down If dew or water enters the unit it ...

Page 6: ...n the remote controller Where the remote controller gets wet 3 Accurate room temperature may not be detected using the temperature sensor of the remote controller Where the average room temperature cannot be detected Place near the equipment to generate heat Place affected by outside air in opening closing the door Place exposed to direct sunlight or wind from air conditioner Where the difference ...

Page 7: ...ference When the cable length is longer than 100 m the max size for wires used in the R C case is 0 5 mm2 Connect them to wires of larger size near the outside of R C When wires are connected take measures to prevent water etc from entering inside 200 m 0 5 mm2 x 2 core 300m 0 75 mm2 x 2 core 400m 1 25 mm2 x 2 core 600m 2 0 mm2 x 2 core Secure the installation space shown in the figure For the ins...

Page 8: ...wed from front 37 23 23 固定穴 18 3 83 5 120 19 120 37 23 23 19 120 Fixing holes 83 5 120 18 3 PCB side Viewed from rear 8 50 200 壁 電線管 ロ ッ クナッ ト スイ ッ チ ボ ッ クス パテで シール する こ と リ モコ ン配線 下ケース配線穴 ブッ シング センサー USB 端子 Wall Conduit Sensor USB port Terminal block Locknut Bushing Switch box Seal with putty R C cable When wires are passed through the bottom case fix the bottom case at 2 places on the switch box...

Page 9: ...inch the sheath Tighten by hand 0 7 N m or less the wire connection If the wire is connected using an electric driver it may cause failure or deformation In case of exposing wiring When the wiring is taken out from the upper center or upper left of R C Cut out the thin wall sections on the cases for the size of wire Fix the bottom R C case on a flat surface with two wood screws In case of the uppe...

Page 10: ...r flap control Left right flap control Ventilation setting Auto restart Auto temp setting Auto fan speed IU settings Service Maintenance IU address Next service date Operation data Error display Error history Display erase anomaly data Reset periodical check Saving IU settings Special settings Erase IU address CPU reset Restore of default setting Touch panel calibration Indoor unit capacity displa...

Page 11: ...Main Sub Start screen Version Program ID Main sub set input Select main or sub remote control Main Sub The red LED will blink if communication is not established in ten minutes TOP screen Menu Direction Cooling 16 14 Mon F1 High power F2 Energy saving Timer Now stopping Set temp IU search on Searching IU IU info acquisition on Loading IU settings Will finish 1230 seconds later 2 When the main and ...

Page 12: ...t 2 Refer to Installation manual External input 2 signal Refer to Installation manual Heating thermo OFF temp adjustment 15 Return temperature adjustment 15 Fan control in cooling thermo OFF 15 Fan control in heating thermo OFF 16 Anti frost temp Refer to Installation manual Anti frost control Refer to Installation manual Drain pump operation 16 Keep fan operating after cooling is stopped 16 Keep ...

Page 13: ...nformation 5 6 Company information Company Phone No Back Select the item Enter the company name using up to 26 one byte characters and then tap the Set button You can enter alphanumeric Japanese Kana Kanji Cyrillic or Chinese characters Enter the Company Company Back Set 漢字 Number Alphabet カナ Next Delete Input the name tap Set 汉字 TOP screen Menu Service setting Installation settings Service passwo...

Page 14: ...be used to detect the activity amounts of persons When the infrared motion sensor is disabled activity amounts of persons will not be detected and thus the infrared sensor control power saving and auto off will not be performed The infrared motion sensor cannot be enabled for the indoor unit older than FDT VG or FDT KXZE1 When the infrared motion sensor setting is tapped Invalid request will be di...

Page 15: ...unction settings Service password R C function settings menu 3 R C function settings Ventilation setting Auto restart Auto temp setting Back Select the item Previous Auto fan speed 16 18 19 17 You can change IU main unit return air temperature sensor to the R C side Disable The Indoor temp display changes to the temperature measured by the sensor at the main unit Enable The Indoor temp display cha...

Page 16: ...y after operating the R C switch Left right flap control Left right flap control Back Select the item Fixed position stop Stop at any position If the unit stops during operation Enable It returns to the state before the power failure as soon as the power supply is restored After the end of the primary control at the power on Disable It stops after the restoration of power supply Auto restart Auto ...

Page 17: ...ontrol pressure adjust Auto operation mode Thermo rule setting Next Back Select the item Previous 18 19 23 21 20 TOP screen Menu Service setting IU settings Service password IU setting menu 5 IU setting menu 5 IU settings Auto fan speed control IU overload alarm External output setting Back Select the item Previous 25 26 IU select 2 IU select Menu Back Select an IU address All units Previous Stand...

Page 18: ...n operating after cooling is stopped Keep fan operating after cooling is stopped No setting Setting 1 Setting 2 Setting 3 Back Select the item Keep fan operating after heating is stopped Keep fan operating after heating is stopped No setting Setting 1 Setting 2 Setting 3 Back Select the item Select the fan control after the residual fan operation following stop and thermo OFF in heating mode Stop ...

Page 19: ...ap is changed in the range of Powerful high High Medium Low Set the room temperature control thermostat ON OFF switching method and condition Standard The thermostat judges based on the indoor temperature and set temperature Outdoor temp basis The thermostat judges based on the outdoor temperature and the cooling and heating offset values The room temperature setting will be disabled Standard Outd...

Page 20: ... Next service date Next service date Back Set the date Set No setting yy mm dd Service message Usage time 1 years 9 months Next check 10 2020 Company Phone No TOP screen Menu Service setting Service Maintenance Service password Service Maintenance 1 Service Maintenance IU address Next service date Operation data Error display Saving IU settings 次ペー ジ Back Select the item 3 5 9 14 7 Next Service Ma...

Page 21: ... data The IU setting data saved in the R C are transferred to an indoor unit Reset periodical check Reset periodical check Back Yes If yes tap Yes Do you want to reset the periodical check Saving IU settings Back Save IU settings Automatic saving Transfer the saved data Saving IU settings Select the item Erase IU address Memory of the IU address for multi KX unit is erased CPU reset Microcomputers...

Page 22: ... Operation 25 4 Menu operations 28 5 Settings and operations 29 Energy saving setting 29 Individual flap control 32 Anti draft setting 33 Ventilation operation 33 Initial settings 34 Timer 36 Weekly timer 38 Registering favorite setting 39 Favorite setting operation 40 Silent mode control 40 Select the language 40 6 Maintenance and After sale service 41 Filter sign reset 41 Maintenance of unit and ...

Page 23: ...lemented only by qualified specialists WARNING Consult your dealer or a professional contractor to install the unit Improper installation made on your own may cause electric shocks fire or dropping of the unit Consult your dealer when moving disassembling or repairing the unit Never modify the unit Improper handling may result in injury electric shocks fire etc Avoid using combustible substances hair...

Page 24: ...by yourself It could destruct the environment Ask your dealer when it is necessary to dispose the remote control Note The remote control should not be installed where it is exposed to direct sunlight or the ambient temperatures become higher than 40 C or lower than 0 C It could cause deformation discoloration or break down Do not use benzene paint thinner wipes etc to clean the remote control It c...

Page 25: ...fective When setting is made from the sub R C When the central control Optional is running When the periodical inspection is necessary During the ventilation operation When filter sign is up When the Permission Prohibition setting is made When the peak cut timer is set When the weekly timer is set Menu button When setting or changing other than the following tap the menu button Then menu items are...

Page 26: ...1 Infrared sensor motion sensor control 31 Filter sign reset 41 Initial settings 34 Clock setting 34 Date time display 34 Summer time 34 Contrast 35 Backlight 35 Controller sound 35 Operation lamp luminance 35 Administrator settings Refer to user s manual Permission Prohibition setting Refer to user s manual Outdoor unit silent mode timer Refer to user s manual Setting temp range Refer to user s m...

Page 27: ...alid request may be displayed when a button is pushed This is not a fault but it is because the button operation is set to the Disable The unit starts to operate initially with the following settings after the power on These settings can be changed as desired Central control OFF Operation mode With auto mode Auto cooling Without auto mode Cooling Set temp 23 0 C Fan speed 3 speed Flap direction Wh...

Page 28: ...r SC SL4 Also note that 3D auto flow operation will not be disabled when you change the flap direction from the SC SL2 SC SL3 or SC SL4 during a 3D auto flow operation 1 Tap the Change flap direction button on the TOP screen When an FDK with a left right flap is not connected 2 When one or more FDKs with a left right flap are connected 3 Change flap direction Ind flap Control Auto swing Back Outdoor Roo...

Page 29: ...ower is displayed on the R C screen and C is displayed on the Set temp button during the high power operation Set temp and change fan speed operations are disabled during high power operation 2 High power operation is terminated when you perform one of the following When you terminate through a Run Stop operation When you change the operation mode When15 minutes have elapsed since the high power o...

Page 30: ...revious buttons are displayed on pages in between 2 When the Next button is tapped next main menu screen is displayed 3 When the Back button is tapped the display returns to the TOP screen 4 When the Set button is displayed on the setting screen for each item tapping this button confirms the setting If you tap Back without tapping the Set button the settings made will not be applied and the displa...

Page 31: ...imer Peak cut timer Automatic temp set back Infrared sensor control Energy saving setting Administrator password Sleep timer Stops operation when the amount of time set has elapsed since the start of each operation 1 Tap the Menu button on the TOP screen and select Energy saving setting Sleep timer The Sleep timer screen is displayed 2 Select a desired time with buttons Setting range 30 to 240 min...

Page 32: ... End time AM Peak cut timer Set Back State Disable Select the item Mon No 1 Change Start time End time 1 3 7 00 AM 8 00 AM 2 Select a line tap Change Change Mon Peak cut timer State Enable Disable Disable Disable Start time End time Enter Back 2 1 7 00 PM 7 00 AM 8 00 PM 8 00 AM 9 Set the peak cut Set the peak cut with the buttons The peak cut can be set at 0 40 60 or 80 The lower the peak cut is ...

Page 33: ...n and contents of the current settings are displayed Enable disable power control Enable disable auto off After you set each item tap the Set button The display returns to the Energy saving setting menu screen When auto off is enabled The unit will enter the Operation wait state when an hour has elapsed since the last time a human presence was detected and will be in Complete stop state after anot...

Page 34: ...pper lower flap 4 When you select the left right flap 8 4 Select one of the upper limit positions from 1 to 6 for the flap motion range After you select the range tap the Set button Individual flap control Select flap Bat set Back Flap is in operation Individual flap control Select flap Back Flap Swing range Back Select the upper limit No tap Set Set Upper limit setting 配管側 ドレンホース側 制 御 箱 ルーバ FDTの場合 Pip...

Page 35: ...ect the blow outlet number to set anti draft The flap at blow outlet No will keep moving while the blow outlet selection screen is displayed Select the flap based on this figure When you have selected the blow outlet the flap with the number you selected will move The figure displayed on the screen shows the installed unit viewed from the floor side You can set all blow outlets at once by tapping the Ba...

Page 36: ... the hour minute with the buttons on the clock setting screen Tap the Set button after the setting To change dd mm yy tap the Date button Clock setting Date Back Set the time Set PM 1 Tap the Menu button on the TOP screen and select User setting Initial settings Date time display 2 The Clock setting screen is displayed Tap OFF ON for the Date and time Tap OFF ON for A day of the week Tap Display m...

Page 37: ...ns for the backlight lighting and the lighting Period 5 90 sec at 5 sec intervals ON The Backlight lights when the LCD is tapped If no operation is made for the set time it turns off automatically OFF The backlight does not light even if the LCD is tapped Backlight You can turn ON OFF the backlight and set the lighting period 1 Tap the Menu button on the TOP screen and select User setting Initial ...

Page 38: ... Clock Weekly If a prohibited combination setting is made a message The combination can t be accepted is displayed for 3 seconds Priority order of the timer settings is as follows Set OFF timer by hour clock weekly OFF timer Sleep timer Set ON timer by hour clock weekly ON timer On the TOP screen the timer is displayed from the earliest one out of OFF time of the sleep timer ON time and OFF time S...

Page 39: ...et A C will stop at the set hours later Cancel Set ON timer by clock Starts the operation of the unit at the set clock time 1 Tap the Menu button on the TOP screen and select Useful functions Timer Set ON timer by clock 2 The Set OFF timer by hour setting screen is displayed Select a desired time to start operation 5 min intervals with the buttons 3 When operating conditions at the start of operat...

Page 40: ...y are displayed 5 4 For the holiday setting tap the block under the day to switch between the holiday setting and Blank reset Timer does not operate on the day set as holiday Two or more holidays can be set To enable the timer on the day set as holiday it is necessary to reset the holiday setting When tapping All Disable button the timer does not operate on all days of the week When the timer is u...

Page 41: ...etting and move to a day of the week selection screen 3 13 Display the group setting acknowledge screen Tap the Yes button and save the setting The display changes to a day of the week setting check screen after saving 3 When making the setting after changing a day of the week repeat the setting from the step 3 Weekly timer No setting Back Select the fan speed Auto Weekly timer Yes Back Do you wan...

Page 42: ...ilent mode control Outdoor unit silent mode control ON will be displayed on the message display 3 When you press the F1 F2 switch during silent mode control the display changes to the administrator password input screen After you enter the password the silent mode control will terminate Silent mode control will not be disabled even if you press the Run Stop switch Terminate the control with the F1...

Page 43: ... screen for the Filter sign reset screen is displayed Tap the Yes button If you do not want to reset tap the Back button Filter sign reset Reset Back Select the item Setting next cleaning date Filter sign reset Do you want to reset the filter sign Back Select the item Yes 4 The Setting next cleaning date screen is displayed Select a desired date with the buttons and tap the Set button The message o...

Page 44: ...r sale service Normal display Error display Back Menu Select the item Back Next Contact Error display Code E07 E08 E09 E40 R C Normal IU 000 IU000 001 IU001 002 IU002 003 IU003 OU 00 Select the item Contact company Back Company MHI Phone No 000 000 0000 F1 High power Timer Cooling 6 57PM Wed Set temp Menu Direction Prot stp ON E09 Touch here for contact History can be checked from Menu F2 Energy s...

Page 45: ......

Page 46: ...om Tel 44 20 7025 2750 Fax 44 20 7025 2751 http www mhiae com MITSUBISHI HEAVY INDUSTRIES AIR CONDITIONERS AUSTRALIA PTY LTD 9C Commercial Road Kingsgrove NSW 2208 PO BOX 318 Kingsgrove NSW 1480 Tel 61 2 8571 7977 Fax 61 2 8571 7992 http www mhiaa com au MITSUBISHI HEAVY INDUSTRIES MAHAJAK AIR CONDITIONERS CO LTD 220 Soi Chalongkrung 31 Kwang Lamplatiew Khet Lad Krabang Bangkok 10520 Thailand Tel ...

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