Mitsubishi Heavy Industries RC-EX3A User Manual Download Page 72

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The “Unit protection stop” is displayed on the message display.

Tap the

button.

When the

Normal display

and

Error display

button is

displayed, tap the

Error display

button.

Contents of error are displayed.

After checking the error contents (Code), tap the

Contact

button.
Or tap the

Normal display

button on the previous screen and

select the “Contact company” on the menu screen and tap it.

Company information (Name and phone No. of contact) is

displayed.
This is displayed when it has been preset by your dealer.

6. Useful information

Contact company & Error display

If any error occurs on the air conditioner, the “Unit protection stop” is indicated on the message display. Take the
following measures, stop the operation and consult your dealer.

Normal display

Error display

Back

Select the item.

Back

Contact

Error display

Code

E07

E08

E09

E40
R/C :

Normal

000 IU000

001 IU001

002 IU002

003 IU003

Select the item.

Contact company

Back

Company

MHI
Phone No.

000-000-0000

F1: High power

Timer

Cooling

6:57PM (Wed)

Set temp

Direction

Prot.stp.ON E09 Touch here for contact.

History can be checked from Menu.

F2: Energy-saving

PJZ012A176_EN.indd 70

2018/07/04 16:42:49

Summary of Contents for RC-EX3A

Page 1: ...e unit properly Keep this manual after reading at a safe place where you can consult it whenever it is necessary When the ownership of the unit is changed please be sure to transfer this manual and the Installation Manual to a new owner It is not recommended for a user to install or move the unit by the user s own discretion Safety or functions may not be assured PJZ012A176 201806 ORIGINAL INSTRUC...

Page 2: ...PJZ012A176_EN indd 2 2018 07 04 16 42 15 ...

Page 3: ... Ventilation operation 34 Initial settings 35 Timer 39 Weekly timer 44 Home leave mode 48 Registering favorite settings 51 Favorite setting operation 52 Administrator settings 53 Silent mode control 66 Select the language 67 Filter sign reset 68 5 Maintenance of unit and LCD 69 Maintenance of unit and LCD 69 6 Useful information 70 Contact company Error display 70 7 Notice of inspection date 71 8 ...

Page 4: ...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 spray insecticide etc near the unit Do not use benzene or paint thinner to clean ...

Page 5: ...eak down Do not dispose the remote control 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...

Page 6: ...pped while the backlight is turned off the backlight only is turned on Operations with switches and are excluded USB port USB connector mini B allows connecting to a personal computer For operating methods refer to the instruction manual attached to the software for personal computer remote control utility software Touch panel system which is operated by tapping the LCD screen with a finger is emp...

Page 7: ...ted currently When the 3D auto flow operation is enabled 3D auto display will appear Tap this button to change the flap direction Change the fan speed button page 13 Displays the fan speed which is selected currently Tap this button to change the fan speed Timer button page 39 Displays simplified contents of the timer which is set currently When two or more timers are set contents of the timer whi...

Page 8: ... External ventilation 34 Select the language 67 Silent mode control 66 Sleep timer 22 Peak cut timer 23 Automatic temp set back 26 Motion sensor control 27 Filter sign reset 68 Initial settings 35 Clock setting 35 Date time display 36 Summer time 37 Contrast 37 Backlight 38 Controller sound 38 Operation lamp luminance 39 Administrator settings 53 Permission Prohibition setting 54 Outdoor unit sile...

Page 9: ...turn temperature adjustment 26 Fan control in cooling thermo OFF 26 Fan control in heating thermo OFF 26 Anti frost temp 26 Anti frost control 26 Drain pump operation 26 Keep fan operating after cooling is stopped 26 Keep fan operating after heating is stopped 26 Intermittent fan operation in heating 26 Fan circulator operation 26 Control pressure adjust 26 Auto operation mode 26 Thermo rule setti...

Page 10: ... 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 page 10 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 change...

Page 11: ...mbinations 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 1 Tap the Change operation mode button on the TOP screen 1 Tap the Change set temp bu...

Page 12: ...e Auto is selected for the set temp the set temp display shows 0 Temperature can be adjusted higher or lower with using buttons Note that Auto is not displayed and cannot be set when SC SL2 SC SL3 or SC SL4 is connected If the Back button is tapped without tapping the Set button the selected set temp is invalidated and the display returns to the TOP screen Change set temp Auto Set Back Outdoor Roo...

Page 13: ...atically controls the fan speed and flap direction to efficiently condition the air of the entire room To switch to the 3D auto flow operation tap 3D AUTO to enable the operation To disable the 3D auto flow operation tap the 3D AUTO again The flap direction returns to the direction that was set before the 3D auto flow operation was enabled The 3D auto flow operation will also be disabled when you ...

Page 14: ... Anti draft setting page 32 is enabled the flap will not swing and be set at flap position 1 Changing the left right flap direction and 3D auto flow operation cannot be performed from the SC SL2 SC SL3 or 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 Note Do not manually move the...

Page 15: ...ange the fan speed button on the TOP screen 2 When the Change the fan speed screen is displayed tap the button of desired fan speed After setting the fan speed the display returns to the TOP screen Fan speeds which can be set vary depending on the models of IU When the Auto is selected the fan speed is changed automatically depending on the capacity Note that Auto is not displayed and cannot be se...

Page 16: ...te when you press the Run Stop switch to start the unit operation If no indoor unit equipped with anti draft function is connected a message Invalid request is displayed on the R C screen Depending on how the Permission Prohibition setting page 54 is set the administrator password input screen may be displayed 2 Press the F1 F2 switch Anti draft is turned OFF stopped Anti draft OFF is displayed in...

Page 17: ...shed even if Run Stop switch is off High power operation is only allowed when Heating or Cooling is selected for the operation mode Message In operation for high power 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...

Page 18: ... displayed on the screen 2 Energy saving operation is terminated when you perform the following When you terminate through a Run Stop operation When you change the operation mode When you terminate the energy saving operation with the F1 F2 switch Energy saving operation Use this operation to save energy Set temp is fixed at 28 C in the cooling operation or 22 C in the heating operation Since the ...

Page 19: ...minute intervals Holiday setting including temporary day off is available Clock setting is necessary to set the time page 44 Home leave mode Administrator password When the unit is not used for a long period of time the room temperature is maintained at a moderate level avoiding extremely hot or cool temperatures Cooling or heating is operated according to the outdoor temperature and the set temp ...

Page 20: ...lap control Weekly timer Select the language Filter sign reset page 54 Outdoor unit silent mode timer The period of time to operate the unit by prioritizing the quietness can be set Starting and stopping times can be set for the silent mode operation The time can be set at 5 minute intervals page 55 Setting temp range Restrict the setting range of temperature Temperature range can be restricted de...

Page 21: ...ontrol Useful functions Individual flap control Anti draft setting Timer Favorite setting Weekly timer Home leave mode External ventilation Select the language Silent mode control Energy saving setting Filter Filter sign reset User setting Initial settings Administrator settings Permission Prohibition setting Outdoor unit silent mode timer Setting temp range Temp increment setting Set temp display...

Page 22: ...t 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 display returns to the original screen Menu Useful functions Energy saving setting Filter Us...

Page 23: ... the display returns to the TOP screen automatically Contents of the setting on the way become invalid Message Invalid request may be displayed when a button is pushed This is not a fault but it is because the button is set to the Prohibition page 54 It is necessary to stop the air conditioner by pushing the Run Stop switch before starting the following settings If the Set button is tapped on the ...

Page 24: ...The Sleep timer screen is displayed 2 Select a desired time with buttons Setting range 30 to 240 minutes at 10 min intervals 3 Tap the State button to switch between State Enable and State Disable Enable operation stops at the set time every time Disable the sleep timer does not operate Unless the Sleep timer is used set at the State Disable 4 After the setting tap the Set button The display retur...

Page 25: ...an be set To enable the timer on the day set as holiday it is necessary to reset the holiday setting 4 When tapping All Disable button the timer does not operate on all days of the week When the timer is used be sure not to set All Disable Peak cut timer Set the times to start and stop the capacity upper limit limiting operation and the peak cut When the peak cut timer is used be sure to make the ...

Page 26: ... can be set at 5 min intervals Tap the Set button after the setting 8 8 Set the End time Set the hour and minute with the buttons End time can be set from 5 minutes after the Start time up to 24 00 at 5 min intervals Tap the Set button after the setting 10 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 Peak cut timer Set Back Tap to se...

Page 27: ...y the group setting acknowledge screen Tap the Yes button to save the setting The display changes to a day of the week setting check screen after the saving 2 14 When making the setting after changing a day of the week repeat the setting from the step 2 Peak cut timer Yes Back Do you want to apply group setting Select a line tap Change Change Weekdays Peak cut timer State Enable Disable Disable Di...

Page 28: ...oling when setting for the cooling operation or Setting in heating when setting for the heating operation The Setting in cooling operation includes the cooling dry and auto The Setting in heating is for the heating operation only Setting time range 20 120 min at 10 min intervals Set temp range It can be set within the preset temp range set according to the set temp range menu page 56 Automatic tem...

Page 29: ... message display Complete stop When auto off is enabled the unit stops The unit will not resume operation even when human presence is detected The message In auto off mode will disappear from the message display and the operation lamp will turn off When power control is enabled The amount of human motion is detected by a motion sensor to adjust the Set temp During power control Power control ON wi...

Page 30: ... limit positions of the flap at each blow outlet can be set to a desired range When the R C is set as the sub R C the individual flap control cannot be set Individual ﬂap control Individual flap control should be set when the unit is stopped When you perform Individual flap control while the unit is in operation the acknowledge screen for unit stop is displayed Advice 2 When two or more IUs are co...

Page 31: ... there is only one flap at the blow outlet such as the ceiling suspended type only the flap that can be set will be displayed For an FDK with a left right flap select the upper lower flap or left right flap When you select the upper 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 S...

Page 32: ...fter you select the range tap the Set button 6 Acknowledge screen for the flap motion range is displayed 7 Acknowledge screen for the completion of setting is displayed To change other flap motion ranges tap the Yes button 3 To terminate the setting tap the No button The display returns to the TOP screen Flap Swing range Back Tap Back for resetting Yes Do you want to set the range of flap motion I...

Page 33: ...ther flaps Advice When the unit is installed within 50 cm from a wall it is recommended that you change the range of the left right flap motion as follows When installed at the right end of the wall Left right flap motion range 1 to 4 When installed at the left end of the wall Left right flap motion range 2 to 5 Installed at the left end Installed at the right end 9 Select one of the right limit p...

Page 34: ...set You can set ON OFF operation stop of the anti draft function and can also enable disable the motion of panel with anti draft for each blow outlet for each operation mode When the R C is set as the sub R C the anti draft setting cannot be set IU select Next Back Select an IU address 2 Tap a desired item Details You can set Enable or Disable for anti draft motion performed at each blow outlet in...

Page 35: ...ow outlet button When the anti draft setting is enabled the icon color will be reversed for example in the left figure blow outlets which have the anti draft setting enabled during cooling are numbers and 配管側ドレンホース側制御箱ルーバ FDTの場合 Pipe side Control box Drain hose side Blow outlet No For FDT 配管側ドレンホース側ルーバ FDTCの場合 Drain hose side Pipe side Louver No For FDTC 3 Select enable disable for each ope...

Page 36: ... operation is disable Ventilation operation when ventilation device is installed The ventilation is turned on or off if the ventilation device is installed External ventilation Venti OFF Back Select Venti ON OFF Venti ON ON OFF setting 1 The indoor unit No and the ON OFF state of each anti draft function are displayed to allow ON OFF setting of the anti draft Anti draft is turned OFF by tapping ON...

Page 37: ...ack Select the item Initial settings Clock setting Date time display Summer time Contrast Backlight Next Back Select the item 1 Tap the Menu button on the TOP screen and select User setting Initial settings Clock setting 2 The Clock setting screen is displayed Set the dd mm yy with the buttons Tap the Time button after the setting The clock setting is necessary for the following settings Peak cut ...

Page 38: ... the week Tap Display method 12H or 24H 12H Hours If it is 3 50 PM it displays 3 50PM 24H Hours If it is 3 50 PM it displays 15 50 Set the position of AM PM Set Infront PM3 50 is displayed Set Back 3 50PM is displayed 3 Tap the Set button after the setting Date time display You can set and correct the date time display Clock setting Date Back Set the time Set Date time display Set Back Select sett...

Page 39: ... the contrast differs between the top and bottom of the screen 1 Tap the Menu button on the TOP screen and select User setting Initial settings Summer time 2 The Summer time setting screen is displayed Changing from Disable to Enable Current time 1 hr is displayed Changing from Enable to Disable Current time 1 hr is displayed Contrast You can adjust the contrast of the LCD Summer time You can adju...

Page 40: ...ht 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 settings Controller sound 2 The Controller sound setting screen is displayed Tap ON or OFF for the controller sound ON When a button on the screen is tapped a beep sounds OFF There is no beep Controller sound You...

Page 41: ...functions Timer 2 Tap a desired item on the Timer menu Set ON timer by hour page 41 Set OFF timer by hour page 42 Set ON timer by clock page 43 Set OFF timer by clock page 43 Confirm page 44 When the timer is set the Confirm button is displayed The button is not displayed unless the timer is set Timer The Clock setting page 35 must be made when the Set ON timer by clock or Set OFF timer by clock i...

Page 42: ... or operation Everyday can be set Set OFF timer by clock page 43 The air conditioner stops at the set time Only one day Once operation or operation Everyday can be set Weekly timer page 44 On timer and Off timer on weekly basis can be set Setting of each timer can be combined Allowable combination settings are as shown below Allowable combination setting Allowed Prohibited Sleep OFF Hours ON Hours...

Page 43: ...perature closed to the set temperature at the set start time of the operation the microcomputer estimates the start time of the operation based on the last warming up operation and starts the operation 5 to 60 minutes earlier When the warming up is turned ON set the timer at one hour earlier or more than the start operation by timer If it is set in less than one hour a message Warming up cancelled...

Page 44: ...he No setting button is tapped C is displayed and it starts operation at the last setting temperature 1 Tap the Menu button on the TOP screen and select Useful functions Timer Set OFF timer by hour 2 The Set OFF timer by hour setting screen is displayed Select desired hours to stop operation with the buttons Range of setting time 1 to 12 hours at 1 hr intervals 3 Tap the Set button after the setti...

Page 45: ...erated everyday tap the Once Everyday button to change the display to Everyday 1 Tap the Menu button on the TOP screen and select Useful functions Timer Set OFF timer by clock 2 The Set OFF timer by clock setting screen is displayed Select a desired time to stop operation 5 min intervals with the buttons 3 Tap the Set button after the setting The Set OFF timer by clock can be operated one day Once...

Page 46: ...t Weekdays Monday Friday Sat Sun Saturday Sunday 5 All days Monday Sunday Each day Moves to the day of the week setting screen 3 You can set four on timer and off timer operations for each day of the week Weekly timer Each day Back Select the item Sat Sun Weekdays All days 3 1 2 4 1 When you tap the Confirm button on the Timer menu screen the contents of the current timer settings are displayed Wh...

Page 47: ...ge button 2 Weekly timer Select the day of the week Invalid Setting Tap box below day of week If invalid is selected timer won t start Back All Disable Mon Tue Wed Thu Fri Sat Sun 3 1 6 Detail setting screen for the timer setting contents is displayed Tap the State button to switch between State Enable and State Disable Tap the Type button to switch between the OFF timer and the ON timer Select a ...

Page 48: ...o select the Auto temp setting Tap the Set button after the selection 7 When the No setting button is tapped C is displayed and it starts operation at the last setting temperature 8 Tap a desired operation mode When the No setting button is tapped it operates with the same operation mode at the last action 7 Weekly timer No setting Back Tap to set temp tap Set Auto Set Cooling Weekly timer Set Bac...

Page 49: ...g 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 Select a line tap Change Change Weekd...

Page 50: ...eful functions Home leave The administrator password input screen is displayed Input the administrator password 2 Display the home leave mode Start End screen Tap the Start button to start the home leave mode operation To stop the home leave mode operation tap the End button To start operation from the F1 F2 switches Use the F1 F2 function setting to change the function of the F1 F2 switch to Home...

Page 51: ...e indoor temperature to start operation in heating Allowable setting range 10 C to 18 C at 1 C intervals Factory settings 10 C 6 Fan speed rule in cooling Set the fan speed in cooling mode Factory settings Low 7 Fan speed rule in heating Set the fan speed in heating mode Factory settings Low 8 Items set at the details setting menu are effective for the operation at the next home leave mode Home le...

Page 52: ...button after the setting 6 Set the indoor temperature to start operation in heating after setting the Determine temp rule in heating Select a desired set temp 10 C to 18 C at 1 C intervals with the buttons Tap the Set button after the setting 7 Set the fan speed in cooling mode Tap a desired fan speed Determine temp rule in heating Back Tap to set offset value Set Set temp rule in cooling Back Tap...

Page 53: ...annot register the favorite settings during high power and energy saving operations 2 The save location selection screen for favorite settings is displayed Select the save location If there is any data that was previously saved that data will be overwritten Registering favorite settings Operation mode set temp fan speed fan direction can be registered as Favorite set 1 and Favorite set 2 Allocatin...

Page 54: ...h a left right flap is connected Left right flap direction Center 3D AUTO Disabled When Change set temp Change operation mode Change flap direction Change fan speed are restricted by the Permission Prohibition setting page 54 restricted items will not be reflected to the Favorite setting operation Favorite setting operation You can start an operation with the operation mode set temp fan speed flap...

Page 55: ...unit silent mode timer page55 Setting temp range page56 Temp increment setting page58 Set temp display page58 R C display setting page59 Change administrator password page64 F1 F2 function setting page65 Administrator settings Permission Prohibition setting Outdoor unit silent mode timer Setting temp range Temp increment setting Set temp display Next Back Select the item Administrator settings R C...

Page 56: ...hibited Individual flap control Administrator password is required for this control Change the fan speed Change fan speed operation is prohibited High power operation High power operation is prohibited Energy saving operation Energy saving operation is prohibited Timer Timer setting operation is prohibited Weekly timer Administrator password is required for these settings Select the language Admin...

Page 57: ... silent mode operation Advice 1 Tap the Menu button on the TOP screen and select User setting Administrator settings Outdoor unit silent mode timer 2 The Outdoor unit silent mode timer setting screen is displayed If it is OK that the Silent mode operation is performed at the start and end time displayed on the screen tap the State button to select State Enable When the State button indicates State...

Page 58: ...screen is displayed Setting upper lower limit temp in cooling 2 Set the range of setting temperature in the cooling operation Including the Dry and Auto operations Setting upper lower limit temp in heating 3 Set the range of setting temperature in the heating operation Temp range setting Enable Disable 4 Set whether the limit on the setting temperature range is enabled or disabled Setting temp ran...

Page 59: ... ranges Setting upper lower limit temp in heating Heating lower limit Back Tap to set temp tap Set Set upper limit 5 Select the control contents of restriction on the setting temperature range Disable Restriction on the setting temperature range is disabled Enable The operation is restricted within the set temperature range Enable No reflect on display The set temperature on the R C can be display...

Page 60: ...ntervals ex 24 0 C 24 5 C 25 0 C Temp increment setting Back Select the item 1 Tap the Menu button on the TOP screen and select User setting Administrator settings Set temp display 2 The Set temp display menu is displayed Display set temp Set temp is displayed Display temp difference from base temp The difference from the base temperature is displayed When you select the Display temp difference fr...

Page 61: ...page 61 Error code display page 62 Heating standby display page 62 Defrost operation display page 63 Auto cooling heating display page 63 Display temp of R C Room Outdoor page 64 R C display setting Defrost operation display Auto cooling heating display Display temp of R C Room Outdoor Previous Back Select the item R C display setting Room name Name of IU Indoor temp display Error code display Hea...

Page 62: ...me Set the room name to be displayed on the TOP screen Menu Direction Auto 14 00 Tue F1 High power F2 Energy saving Timer In operation for running Set temp MEETING1 CENTER 1 Tap the Menu button on the TOP screen and select User setting Administrator settings R C display setting Name of IU 2 The IU select screen is displayed When two or more IUs are connected to the R C a list of IUs is displayed T...

Page 63: ...een select ON OFF of the display When R C sensor setting is enabled the room temperature R C is displayed refer to the installation manual on how to make these settings OFF Room temperature is not displayed on the TOP screen ON Room temperature is displayed on the TOP screen Indoor temp display Select ON OFF for the room temperature display Indoor temp display OFF Back Select the item ON Name of I...

Page 64: ...play screen is displayed On the Error code display selection screen select ON OFF of the display ON When there is any error on the unit the message Prot stp ON E Touch here for contact History can be checked from Menu is displayed on the TOP screen message display OFF The message is not displayed even if there is any error Error code display Select ON OFF for the Error code display Heating standby...

Page 65: ...rost operation control is performed automatically Select ON OFF for the Defrost operation display 1 Tap the Menu button on the TOP screen and select User setting Administrator settings R C display setting Auto cooling heating display 2 The Auto cooling heating display selection screen is displayed On the Auto cooling heating display selection screen select ON OFF of the display ON The message Auto...

Page 66: ...om temperature and outdoor temperature Display temp of R C Room Outdoor ON Back Select the item OFF 1 Tap the Menu button on the TOP screen and select User setting Administrator settings Change administrator password 2 The Change administrator password screen is displayed Enter the password 4 digit number and tap the Set button 3 The password change confirmation screen is displayed for 3 seconds a...

Page 67: ...owing functions can be selected High power operation page 15 Energy saving operation page 16 Silent mode control page 66 Home leave mode page 48 Favorite setting operation page 52 Filter sign reset page 68 Anti draft ON OFF page 14 F1 F2 function setting Use the F1 and F2 switches to change the functions to operate F1 F2 function setting High power operation Back Energy saving operation Next Silen...

Page 68: ...e used During silent mode control operation with maximum capacity is not allowed Silent mode control The OU is controlled with priority on quietness You can start stop the silent mode control Starting control with Menu button Starting control with F1 or F2 switch Change the F1 F2 switch function to the silent mode control in the F1 F2 function setting When you press the F1 F2 switch the administra...

Page 69: ...the R C and tap the Set button You can select from the following languages English German French Spanish Italian Dutch Turkish Portuguese Russian Polish Japanese Chinese Selecting the language with the Menu button 1 Tap the Menu button on the TOP screen and select Useful functions Select the language Depending on how the Permission Prohibition setting page 54 is set the administrator password inpu...

Page 70: ...35 Advice Setting next cleaning date Back Set the date Set Cancel dd mm 1 Tap the message display on the TOP screen You can also perform filter sign reset from the menu before the message Filter cleaning Touch here is displayed Tap the Menu button on the TOP screen and select Filter Filter sign reset You can also use the F1 and F2 switches to perform this operation Set the filter sign reset to the...

Page 71: ... neutral detergent diluted with water squeeze the cloth tightly and clean the surface Wipe the surface with a dry cloth then Note Do not use any paint thinner organic solvent or strong acid Warning Do not use flammable materials e g hairspray or insecticide near the unit Do not clean the unit with benzene or paint thinner It could cause crack damage to the unit electric shocks or fire PJZ012A176_E...

Page 72: ... been preset by your dealer 6 Useful information Contact company Error display If any error occurs on the air conditioner the Unit protection stop is indicated on the message display Take the following measures stop the operation and consult your dealer 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 ...

Page 73: ...Sat F1 High power F2 Energy saving Timer Standby Wait a while Set temp 7 Notice of inspection date If the next service date is set on the Service Maintenance menu by your dealer the following screen is displayed for 5 seconds at the start of operation and for 20 seconds from the end of operation on the beginning of the month which includes the set date When this screen is displayed contact your de...

Page 74: ...is ready to blow out hot air the message In operation for heating standby disappears and the unit will start heating operation In operation for heating standby displayed Menu Direction Heating 20 20 Tue F1 High power F2 Energy saving Timer In operation for heating standby Set temp When you select to enable warming up by the Set ON timer by hour page 41 or Set ON timer by clock page 43 the operatio...

Page 75: ...rated through IO external input This does not indicate a failure the message indicates that the unit is operated through IO external input In temporary stop mode In forced thermostat OFF In setting temperature shift displays Menu Direction Cooling 16 32 Mon F1 High power F2 Energy saving Timer In temporary stop mode Set temp When rotation capacity back up or fault back up operation is enabled duri...

Page 76: ...f maintenance Check the content from Menu Set temp When the Back up is displayed contact dealer company shown as the Contact company page 70 immediately for checking If the operation is continued without checking it could result in breakdown Back up display When any error occurs on the OU but its operation is continued as an emergency measure the message of Back up will be displayed Menu Direction...

Page 77: ...cial technology Consult your dealer Necessary expenses for the moving of the unit will be charged Repairs after Warranty Period Consult your dealer Fare paying services may be possible at the request of customer The warranty period is one year counting from the date of installation Inquiry about After sale Service Contact your dealer or the service contact PJZ012A176_EN indd 75 2018 07 04 16 42 52...

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Mitsubishi Heavy Industries RC-EX3A, User Manual

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