Advanced Touch Controller Mitsubishi Electric AT
Contents
1. displayed e The initial login password is 0000 Change the password if necessary If you forget the password refer to the Installation Manual 1 Enter the current password on the login screen and then touch The screen at left will appear 2 Enter the new password in the 5 New Password field SOK HOOK Password should be between four and eight characters Peete es Per Touch f to delete a character 3 Touch the Retype Password field and enter the new password again ok canoes 4 Touch the OK button to reflect the change and return to the previous screen 43 Usage Main Menu Settings Restriction Settings cont d Is fel e E 2 Setting the temperature ranges within which the operating temperatures can be set from the local remote controllers 1 Show Group Name List button Edit button Displays a list of group Edits the temperature range names in a pop up window for the selected group Group buttons acs Displays group numbers Bla 26 28 20 23 Touch the button for a specific group to edit the settings Select All button Selects all groups et Temperature E a Limit a a Heat a t Z Auto V LA buttons Use to flip through the pages Each page lists four groups 1 Touch the 2 Set Temperature Range Limit button on the Restriction Settings screen 2 Read the pop up message and touch the OK button to2. When the Group icon Q is touched the action differs depending on the operation mode Operation mode consists of three modes shown below and default is set to the operation mode 2 Refer to P41 for changing the mode e Operation mode 2 E appears in the area marked 2 Allows the user to select groups to be operated Moves to the Group screen Touch the Group icon Q to select the group to be operated Groups can be selected on the GRID or the LIST screens Touch the Group icon Q to switch between displaying check marks selected and hiding check marks deselected Touch 3 to select all groups Touch the Group icons of the groups to be operated and then touch i eaatea 2 to move to the Group screen The number of selected groups 1 The selected group appears on the Group screen Refer to P18 Group screen for details The number of selected groups gt 1 The Multiple group selection screen appears The selected groups can be operated collectively Refer to P23 Multiple group selection screen for details e Operation mode 1 appears in the area marked 2 Stops or starts the operation of the air conditioning units through Group icon Q ON OFF operation lock RD When AT 50A restricts its own ON OFF operation the icon above will appear The ON OFF operation will be disabled During receiving the external input signal The ON OFF function cannot operate when the following displays appear mDisplays
3. 21 C 69 F 21 C 69 F 24 C 75 F 28 C 83 F 24 C 75 F E lt Setback control time period Setback control time period scree When the temperature drops below the lower limit temperature When the temperature rises above the upper limit temperature heating control cooling control 1 The icons corresponding to the functions that are not scheduled will not be displayed except in the Edit Pattern popup If Unscheduled is selected the Setback function that were set on the Setback Control screen will not be executed with the pressing of the Collective Operation button In this case the settings that were made on the Collective Operation Setback screen will override the settings made on the Setback Control screen and the scheduled operation will not run 1 Touch the Setback Control button on the Time and Schedule screen 2 Read the pop up message and touch the OK button to confirm 34 35 Usage Main Menu Settings Operation Setting cont d 3 Press button to bring up the Control Time Period and lower upper limit temperature settings screen and make necessary settings Setting of night setback control time period Touch the TILA buttons to set the control time Setting of lower upper limit temperature Touch the LY LA buttons to set the upper and lower limits When is set setback control will not be operated Click OK t
4. Main Menu screen touch the a icon at the right top corner of the HOME or the Menu screen Main Menu Screen ss SB BB BB RR Top screen 1 Main Menu 3 O 2 1 HOME button Accesses the HOME screen 2 Back button Returns the screen to the previous screen When touched on the Main Menu screen returns the screen to the HOME screen 3 Touch Panel Cleaning button P61 Touch this button to access the screen that will not respond when touched except when the numbers in the four corners are touched in a specified order allowing the user to clean the touch panel without accidentally changing the settings 4 Service Menu button Accesses the maintenance menu for service personnel Normally general users do no need to change any settings in the maintenance menu 24 Operation Setting 1 Time and Schedule 2 Collective Operation Setting Sets the collective operation settings P38 Sets the date time schedules and Setback control P26 Changes the behavior of the group icon on the HOME screen P41 Three setting options are available Restriction Settings 3 Group Icon Setting 1 Lock Buttons Locks the buttons and the functions on the AT 50A P42 2 Set Temperature Range Limit Sets the temperature range for the local remote controllers P44 3 Prohibit Remote Controller Locks the buttons on the local remote controllers P46 ON OFF Mode Set Temperature and Filter Reset b
5. Representative temperature Group When the air conditioning units in the Representative Group are not operating or they are operating in the Fan or Auto mode the System Changeover function will work in the same way as when the System Changeover mode is set to Auto When Representative Group is selected the group that is Representative Group currently designated as the Representative Group will be 601 LIVING ROOM displayed To designate a different group as the Representative Group select a new group on the screen that appears shown right when the 2 Representative Group button is pressed and then touch the OK button e The initial setting for the Representative Group is the group in a specific block with the smallest group number 3 Touch the 3 Save button on the System Changeover screen 60 Maintenance Touch Panel Cleaning screen Please touch buttons 1 2 3 and 4 in that order to go back to the previous screen To clean the touch panel This screen allows the user to wipe the touch screen without accidentally changing the settings 1 Touch the icon on the Main menu screen to bring up the screen shown above 2 When done cleaning the touch panel touch the four numbers in the corners 1 2 3 and 4 in that order to return to the Main Menu screen e The four numbers must be touched in the correct order If you touch the numbers in the wrong order start over from 1 e Wipe
6. The units will operate according to the Collective Operation settings Setback P39 Select a mode on the window that will appear Press OK OFF The Setback function will not be executed Regardless of how the above settings are made the Setback function will not be executed if the operation switch is on 19 Basic Operations Checking the status of the collective operation functions 4 On the GRID or the LIST screen touch the button that brings up the Collective Operation panel 2 Check the color of the indicator on the collective operation button 555 Yellow The function is enabled 595 Gray The function is disabled Checking the Function button settings 4 On the GRID or the LIST screen touch the button that brings up the Collective Operation Panel 2 Check what it says on the indicator on the collective operation buttons 2em The function is assigned to the F1 button TEE The function is assigned to the F2 button 55 The function is not assigned to the F1 or F2 button Temperature setting HA Touch iva to adjust the temperature setting When fan mode is selected the temperature setting cannot be made useable only while the unit is in operation Available set temperature range varies depending on the mode or model The temperature can be set within the following range Cool Dry 19 C 30 67 87 F Heat 17 C 28C 63 F 83 TF Auto
7. 19 C 28 C 67 F 83 F 20 Interlocked ventilation units LOSSNAY Fan speed Air direction Louver settings 16 BAPM Touch 4 to show the Interlocked ventilation units LOSSNAY Fan speed Air direction Louver settings screen LOSSNAY Air Direction a Gea Fan Speed so D A Interlocked ventilation units LOSSNAY lt 7 aw When interlocked ventilation units are not connected A does not appear b i es Stop Fan speed useable only while the unit is in operation B does not appear when the model does not have this function Available fan speed varies depending on the model SS Haat Hut SS aal s O Quiet Low Medium High Auto Air direction useable only while the unit is in operation q q q q q q q C does not appear when the model does not have this function Ch Ki Ki M K K Available air direction varies depending on the model p g Setting 1 Setting2 Setting3 Setting4 Setting 5 Swing Auto D Louver useable only while the unit is in operation D does not appear when the model does not have this function ON After setting A through D touch the OK button 21 Basic Operations Disable scheduled operation button ah in The Disable scheduled operation function is ON The Disable scheduled operation function is OFF Use button P18 to temporarily disable the scheduled operation When the function is enabled the indicato
8. selected unit group Select the operation units f SAA p _aer dg r 661 LIVING ROOM Ll 662 DINING ROOM G03 ENTRANCE _ 6 4 GUEST ROOM WEST 605 LIBRARY G 6 RECEPTION ROOM 607 BED ROOM EAST BED ROOM WEST Check the selected groups Touch 1 to show the selected group confirmation screen Disabling functions Lock Buttons CT When AT 50A locks its own functions for ON OFF Mode Temperature Fan speed Disable scheduled operation button the icon above will appear on the corresponding buttons and the functions will be disabled When the ON OFF function is locked the Collective ON OFF button will be enabled Example ON OFF operation lock Re During receiving the external input signal The ON OFF function cannot operate when the following displays appear mDisplays the emergency stop level signal input u um a l this Gaal D mm mDisplays ON OFF level signal input Enarginey Stes Level signal The button cannot be operated K Operation restrictions D If the ON OFF Mode and Temperature buttons on the AT 50A are disabled from other controllers D will appear on the buttons and these buttons will not be available for selection If the AT 50A denies other controllers access to itself other controllers cannot disable the functions on the AT 50A 23 Menu Screen The Main Menu screen allows the user to configure the basic settings To access the
9. the cursor over the character with the lt gt button and then either delete it with the DELETE button or overwrite it with a new character 3 When complete touch the OK button to return to the previous screen 53 Usage Main Menu Settings Control Panel cont d trol Panel fs le el Main Menu gt Control Panel gt Function Key Setting 2 Assigning Collective Operation functions to the Function Button 1 F1 and Function Button 2 F2 Touch the 2 Function Key Setting button on the Control Panel screen E Function Key Setting E Function Key Setting Functions lee Funct ions Setback RC Prohibition ZiT Touch the check mark K that corresponds to the function to assign to F1 or F2 so that the checkmark will appear as W Check the check mark in the F1 column to assign a function to F1 and check the check mark in the F2 s column to assign a function to F2 Touch the button again so that the button will appear as KA to cancel the selection 2 Touch the 3 Save button e As a default no functions are assigned to either F1 or F2 The F1 and the F2 will be effective only on the HOME screen To use the F1 or F2 button to execute a function certain settings for Collective Operation must be set Refer to P38 for information about the Collective Operation settings gt If 9 appears on the checkbox the function that corresponds to the checkbox is not available a
10. the emergency stop level signal input mDisplays ON OFF level signal input F E When the group icon button is set to the operation mode 1 e Operation mode 3 Nothing appears in the area marked Moves to the Group screen by touching the Group icon 17 Basic Operations Operation Screen Group screen Operating the Air conditioning unit group Basic operations GROUP screen ON OFF operation Touching 3 allows the indoor units in the displayed group to start stop When interlocked ventilation units LOSSNAY are connected the ventilation units work in conjunction with indoor units ON oFF Green Black Mode useable only while the unit is in operation Touch 2 to access the modes in order of Cooling Dry Fan Auto and Heating The selected mode will appear in the area labeled 1 Refer to P51 for Auto mode cooling heating settings To operate an indoor unit in the heating cooling mode while the indoor unit is already operating in the opposite mode the operation mode cannot be changed until all of the indoor units operate in the same mode or stop In this case the mode 1 will blink Available mode varies depending on the model Modes that are unavailable do not appear The operation mode which is restricted by this controller or other controllers cannot be selected Auto Auto heating Auto cooling display display 18 Collective Operation Panel This pa
11. will appear in does not appear the green outline font during operation ON BG Color blue OFF BG Color black LOSSNAY group Group No Room Group name eCheck mark LOSSNAY icon Filter sign E General equipment group ON BG Color blue LON BG Color blue Group No Room Group name Schedule enable disable i OFF BG Color black 1 General equipment icon eCheck mark General equipment icon Error BG Color yellow Air conditioning unit LOSSNAY General Interlocked ventilation LOSSNAY equipment group Displays lt when there are ventilation units interlocked with the air conditioning indoor Pegs tere arses ss gt units in the group Icon color indicates the operation status Blue ON Black OFF General equipment icon Displays the General equipment type 13 Icon Displays HOME screen GROUP screen Air conditioning unit group Group name LOSSNAY group During operation 10 00PM an During operation 16 BaP MM Room temperature oe Set temperature While the unit is stopped Startup communication error ae Filter sign Scheduled operation Disabled Disable scheduled operation function ON Disable scheduled operation function OFF Fan speed display Interlocked ventilation LOSSNAY General equipment group Temperature Correction During operation When the Temperature Correction function is 14 GaP enab
12. 36 Main Menu gt Operation Setting gt Time and Schedule gt Check Current Settings Checking the Weekly One Day Schedule Settings 1 Touch the Check Current Settings button on the Time and Schedule screen One Day tab Day Date grid Displays scheduled patterns Weekly tab D JE oom RAAHAA a1 e2 2 02 0202 on A y 2 Touch the Weekly or One Day tab 3 Touch the row that corresponds to the group whose schedules you want to check e Weekly screen Displays the pattern numbers that are assigned to groups and days fa will appear on the top left corner of the cell to which One day schedule is assigned One day pattern will override the Weekly pattern e One day screen Displays the One day schedule patterns that are assigned to specific dates Seasonal Settings Weekly only Touch the pattern number under a specific day to check the day s schedule that appears under the pattern numbers Operation pattern numbers Effective time for the Night Setback function Schedules events for the selected pattern e Appears only if the selected pattern has been configured e The functions not supported by the selected group will appear underlined in red and they will not be executed Refer to P34 for icon definitions e The effective time for the Night Setback function will appear as a yellow line on the timeline 36 LIVING ROOM Deeded ed 2PM 120 bs 4 Touch
13. CD Show Group Name List button ESi ie iieteai isso gear Displays a list of group g ON OFF ode et Etter names in a pop up window _ JE 2 Group buttons l Goa mo Displays group numbers lz bas Fo Touch the button for a specific group to edit its settings button Selects all groups 3 button Edits the temperature range for the selected group V buttons Use to flip through the pages Each page lists four groups e When access to specific settings are locked amp will appear over the corresponding icons The settings that can be locked or unlocked depend on the type of group Boe l Indoor unit groups LOSSNAY groups ON OFF E moe J O J x O Settemperature O x Fiter Sign rest O O 46 1 Touch the 3 Prohibit Remote Controller button on the Restriction Settings 2 Read the pop up message and touch the OK button to confirm 3 Click on the Group button on the Prohibit Remote Controller screen to select the groups and change their settings 4 Touch the 3 Edit button 5 Use the buttons labeled in the pop up window at right to lock or unlock access to each item 6 Touch the OK button to save the settings The display will change as follows every time the button is touched Ti myi O7 m Locked Unlocked fd e The screen shown left will always display the latest prohibit permit status If an event takes place that cha
14. List button 1 Touch the 4 Mode button on the Collective Shows a list of group names in a pop up window Operation Setting screen a Ollective Uberation Je Ge ie 2 Read the pop up message and touch the OK button to confirm 3 Select the groups to include from the Group buttons labeled A By default all groups are selected A 4 Touch the B Save button button Selects all groups e The DIDO controller groups and the LOSSNAY groups that do not support this function cannot be selected To select the groups on which to execute the Collective Operation Temperature Correction 1 Touch the Temperture Correction button on the button Collective Operation Setting screen Shows a list of group names in a pop up window 2 Read the pop up message and touch the OK button or co lective Operation ww Temperature Correction to confirm 3 Select a value to be used as the temperature offset value from the buttons labeled 4 Select the groups to include from the Group buttons labeled A By default all groups are selected 5 Touch the B Save button button_ Selects all groups The Temperature Correction function is used to temporarily raise or lower the preset temperature setting by a certain preselected amount e Positive offset is used for units that are operated in the Cooling and Dry modes and negative offset is used for units that are operated in the Heating mode
15. MAN HOUSE 1 GEORGE STREET UXBRIDGE MIDDLESEX UB8 1QQ U K WT06092X01
16. MITSUBISHI ELECTRIC C Air conditioner Control System ADVANCED TOUCH CONTROLLER MODEL AT 50A INSTRUCTION BOOK Group selection Rane nen EEE ener ene ect nr my terre er eeene renee 17 PAOA 18 ON OFF operation aera ere mt ee ir mr ees errr re renee eee 18 Mode Sennen ene ene ent nen een Soe pene neene ene nner en een erenerT cer are 18 Temperature SOM Occ eiec 2ascst cee centsccecescadeacextcacedeetiatentecueeescenseaaatens 20 Interlocked ventilation units LOSSNAY Fan speed Air direction Louver settings 21 Disable scheduled operation button ceseceeeeeeeeeeeees 22 P P S 22 Mode e E nne ne Ree Cen ere ere reer 22 Fan speed setting iacaccct ected each els culate conte slice ccoeidenutetaces 22 PE A 22 ON OFF operation Bere mc reer rre ee ceem ae meer ecn Ente Une mrn re See re cre nner eer 22 Before using the controller read this Multiple group Selection SCre N 2 cecceee ects eee e eee teeee teens 23 Instruction Book carefully to ensure Disabling functions x12 scevsyeterdasssctenmesterecarenstensacdaceumpticocsceuenddansa 23 proper operation Retain this Instruction Book for future Menu Screen Usage Main Menu Settings reference DS VO Seting aeiee scseatinteden oats teres 26 Make sure that this manual as well as the Restriction Settings occ lt n ccceesesescasaiecansonedereeesaccueaanunenseesteceaerectenentce 42 Installation Manual are passed on to any Control Pan
17. Maintenance Miscellaneous Lock Buttons Set Temperature Range Limit Prohibit Remote Controller Operation Mode Selection Limit Display Format Function Key Setting HOME screen Operation Mode Setting Volume Control Filter sign Touch Panel Cleaning Mode Touch Panel Calibration Mode External input External output Menu Locks the following functions ON OFF Mode Set Temp Fan Speed and Schedule ON OFF Limits the available temperature range for the local remote controllers each group or all groups Locks the following buttons on the local remote controllers ON OFF Mode Set Temperature and Filter Reset buttons collectively or by group When set as the main controller operation of the following modes with the local remote controllers can be prohibited When cooling is prohibited Cooling dry automatic cannot be chosen When heating is prohibited Heating automatic cannot be chosen When cooling heating is prohibited Cooling dry heating automatic cannot be chosen Selects the display formats for the following items Display language temperature unit room temperature display or non display of Cooling Heating mode icons during Auto mode backlight timer and group names The F1 button and the F2 button can be set as a run button of the following collective operation Setback Schedule Operation Mode Temperature Correction Remote Controller Prohibition When the Group icon is t
18. ON OFF Shcedule ON OFF button 3 4 Function button 1 1 Function button 2 1 Touch Panel Screen 2 Main Menu Button Es Main Menu 1 If the function is locked the LED on the button will blink twice when touched 2 When the Touch Panel Screen is locked the category DA or B will not be available for selection 3 The buttons that can be locked are the ones that appear on the HOME screen 4 On the HOME screen the icon will appear on the buttons that are locked 42 Setting the Unlock password 1 Touch the 1 Lock Buttons button on the Restriction Setting screen 2 Enter the password on the Login screen and touch the Login button Refer to below for the details on log in If the correct password is entered the Lock Buttons screen will appear 3 Press The screen that looks like the figure at left will appear 4 To allow unlocking the buttons without entering the icy Lock Buttons password touch 2 No password to activate the button To require a password to unlock the buttons touch Password to activate the button 5 Touch the 3 Save button button Saves the settings Use the same password as the login password to unlock buttons To log in Login Page 1 Enter the login password from the C keyboard on the touch panel Touch f to delete a character 2 Touch the 3 Login button Ifthe password matches the Lock Buttons screen will be
19. Select among Operation mode 1 Operation mode 2 and Operation mode 3 by touching the corresponding button labeled 2 Touch the 2 Save button 41 Usage Main Menu Settings Restriction Settings fs e IS 1 Selecting the functions to be locked and setting the password to unlock the locked functions Selecting the functions to be locked button 1 2 Enable Disable Lock button Use these buttons to select the items to be locked when the operation lock button is enabled 3 button Saves the settings 1 Touch the 1 Lock Buttons button on the Restriction Setting screen 2 Enter the password on the Login screen and touch the Login button Refer to below for the details on log in If the correct password is entered the Lock Buttons screen will appear 3 Press the Category button that includes the function to be locked The screen that looks like the figure above will appear The items in each category and the type of functions that can be locked are summarized in Table A 4 Touch the button 2 that corresponds to the function to be locked so that will appear The items whose corresponding icon is fa cannot be locked 5 Touch the Save button Table A List of items and functions in each category Category Category ON OFF Collective ON OFF button 1 ON OFF ON OFF button 3 Mode button 3 4 Set temperature button 3 4 Fan Speed Fan speed button 3 4 Schedule
20. ales riir tereremn eee trrere 50 future air condition system users System Management tenner nee er ee ee ene nner eeeeer terme ere 57 WiFetial Celarelarers Touch Panel Cleaning SCHON ncicccsvncccarsnensnanstencavadenmesereaxcianncnnts 61 To ensure safety and proper operation of the unit the unit should only be installed by qualified personnel Troubleshooting Safety Precautions Thoroughly read the following safety precautions prior to installation Observe the following precautions to ensure safety N WARNING Indicates a risk of death or serious injury A CAUTION Indicates a risk of serious injury or structural damage Nomenclature AA Prohibited actions Do not touch No water No wet hands Electric shock hazards Injury hazards Important actions After reading this manual pass it on to the end user to retain for future reference Keep this manual for future reference and refer to it as necessary This manual should be made available to those who repair or relocate the controller Make sure that the manual is passed on to any future AT 50A users All electric work must be performed by qualified personnel General precautions A WARNING Do not install the unit in a place where large amounts of oil steam organic solvents or corrosive gases such as sulfuric gas are present or where acidic alkaline solutions or sprays are used frequently These substances can compromise
21. alibration will be cancelled and the screen will return to the Control Panel screen To calibrate the screen properly use a pointy but not sharp object to touch the squares Sharp objects may scratch the touch panel 56 System Management Main Menu gt System Management gt Status List 1 Checking or resetting the Error or Filter Sign Touch the 1 Status List button on the System management screen Displays the M NET address of the units whose Error Filter Signs are turned on Error code Displays the code for the error that were detected 1 Malfunction Number of errors Displays the number of errors Group names Displays the name of the group that includes the unit whose Error Filter Signs are turned on No Group Name Address LIVING ROOM 1 2 DINING ROOM 3 end A eset To check the error 1 Touch the Malfunction tab to check the number of errors the names of the group in which the errors occurred the addresses of the error source units and the error codes If an error occurs note the error code and consult your dealer or a maintenance provider To reset the error 1 Touch the Malfunction tab 2 Touch the 2 All Reset button 3 Touch the OK button on the pop up window Those groups whose errors have been reset will have an icon indicating that they are stopped 5 N Usage Main Menu Settings Syst
22. ample without the need to manually change the mode via each remote controller This function should not be used in conjunction with the System Changeover function on the outdoor unit or other system controllers When the System Changeover mode is set to Auto the operation mode is selected based on the demands of the majority of the group taking into consideration the capacity of each indoor unit When it is set to Representative Group the operation mode is selected based on the demand of the representative group through updating its status every 15 minutes and changing over to the cooling or heating mode as necessary Because the operation mode is selected based on the demands of the representative group or of the majority of the groups not all areas may be air conditioned to the optimum temperature If the temperature limits are set too high or low see P44 the System Changeover function may not work properly and the units may not operate in the expected mode Cooling or Heating The System Changeover function is not available for the following types of products Simultaneous Cooling Heating units with Auto mode Mr SLIM LOSSNAY and DIDO controller 99 Usage Main Menu Settings System Management cont d Displays the current Displays the addresses of operation mode EEs the outdoor units and the Cooling Ee names of the groups in a Heating Highest specific block Block No Displays the block n
23. anges for different groups The groups whose temperature setting is different from the one for the collective setting will appear underlined iia button 4 Select the groups to include from the Group buttons Se eets all groups 8 labeled A By default all groups are selected 5 Touch the B Save button The minimum difference between the upper and lower limits is 4 C 8 F The temperature range that can be set depends on the connected units The groups that do not support the Setback function cannot be selected e The changes that are made while the Setback function is turned on will not be reflected To have the settings reflected turn off the Setback function and then turn it back on Refer to P19 for how to turn on off the Setback function To select the groups on which to execute the Collective Operation Enable or disable Scheduled operation 1 Touch the 3 Schedule button on the Collective Operation Setting screen 2 Read the pop up message and touch the OK button Scheck to confirm Show Group Name List button Shows a list of group names in a pop up window 3 Select the groups to include from the Group buttons labeled A By default all groups are selected A 4 Touch the B Save button button Selects all groups 39 Usage Main Menu Settings Operation Setting cont d To select the groups on which to execute the Collective Operation Operation Mode Show Group Name
24. asic Settings under the Service Menu Refer to the Installation Manual to change the temperature setting range 7 When finished making the settings touch the OK button to return to the Edit Pattern screen 8 Repeat Steps 5 through 7 above to set as many events and the execution time for the events as necessary 9 When finished touch the Return button to return to the Select Group and Days Date screen To set the schedule for other groups or days date See Step 2 When setting is complete See Step 10 10 To exit the screen and return to the Time and Schedule screen press F on the Select Group and Days Date screen Copying pasting deleting and inserting settings Click on the checkbox next to the SE button to activate the Copy Paste iD Delete and E Insert buttons 32 Copying and pasting the existing settings 1 Touch the item to be copied Items that can be copied include the weekly schedule for a group the pattern assigned to a specific day or the event that is scheduled to take place at a certain time A red checkmark will appear on the selected item s Example To copy the weekly schedule for a group or en o2 f2 e2 o2 a2 or Example To copy an event a set of actions executed at a scheduled time 2 Touch the Copy button The selected item will be highlighted in blue 3 Touch the copy destination Multiple copy destinations can be selected A red checkmark will ap
25. ay Setting button to switch between Show and Hide Ime Example HOME screen show hide To set the backlight timeout time Touch the 9 Backlight timeout setting button to set the timeout time The back light will go off after a specified time of non use Touch the button repeatedly to select from the following settings 1 min gt 3 min gt 5 min gt 7 min gt 10 min The backlight will remain lit as long as an error exists 51 Usage Main Menu Settings Control Panel cont d Group Name Setting screen To change the group name 1 Touch the 40 Jump to the group name setting screen button on the Display Format screen 3 3 2 Select a desired group name button labeled 41 on the Group Name Setting screen to change its group name 3 Enter the group name on the pop up window Refer to the next page for details Group names can be copied and pasted by using the 42 Copy and 43 Paste buttons 4 Touch the Save button 52 Character input screen 60 LIVING ROOM kde z bo o To enter character strings such as group names maximum 16 characters perform the following procedure To enter a character string 1 Touch O ES ES EA E or E to select upper case alphabets lower case alphabets or numerical and other symbols 2 Enter characters from the 2 keyboard Scroll the screen up and down with the A buttons to see all characters To correct a character move
26. button on the Time and Schedule screen 2 On the Date and Time screen touch the Date tab to set the date or Time tab to set the time 3 Using the A buttons set the following items Month Date Year and Hour Minute AM PM 4 On each tab select one of the three display formats by checking the 4 checkbox next to the desired format 5 Touch the Save button The initial date time setting is 1 1 2011 12 00AM e If the clock is set forward the operations that were scheduled to have taken place before the new time will be cancelled Setting the operation schedule Types of schedules Weekly Use to assign an operation pattern for each day of the week to be Maximum 12 patterns executed every week Use to assign unique operation patterns for specific dates up to seven Maximum rn days in advance including the current date aximum 5 patterns One Day Note If a specific pattern is assigned to multiple groups or days and the configuration of the pattern is changed the change will be reflected on all the groups and days Use a different pattern number to save a given configuration of events if you do not want the changes to be reflected on the groups and days to which the pattern is assigned 21 Usage Main Menu Settings Operation Setting cont d Schedule Setting Procedures Schedule setting flowchart Set Schedule screens 1 Touch the Set Schedules button on the Time and Sc
27. confirm 3 Click on the Group button on the Set Temperature Range Limit screen to select the groups to change their settings 4 Touch the 3 Edit button 44 5 Use the A buttons shown in the pop up window at right to set the range for each operation mode Cooling Heating and AUTO To clear the lower limit keep hitting the button until appears To clear the upper limit keep hitting the LA button until appears Not all functions are supported by all local remote controllers The Y LA buttons for the unsupported functions will be grayed out 6 Touch the OK button to save the settings e The temperature setting range and the operation mode that can be set depend on the indoor unit and remote controller models e Operation from the local remote controllers that are connected to Mr SLIM cannot be prohibited from the AT 50A Use the button lock function on the controllers instead If the temperature limits are set too high or low the System Changeover function may not work properly and the units may not operate in the expected mode Cooling or Heating When using the System Changeover function it is recommended not to use the temperature range limit function 45 Usage Main Menu Settings Restriction Settings cont d 3 Locking or unlocking access to the ON OFF Mode Set Temperature and Filter Sign Reset settings from the local and other system controllers
28. dules events for the selected pattern G81 LIVING ROOM e Appears only if the selected pattern has been configured e The functions not supported by the selected group will appear underlined in red and they will not be executed Touch the lt gt buttons to check the actions for each scheduled event Refer to P34 for icon definitions To configure a new pattern using a blank pattern Touch a blank pattern number then touch the B button to access the Edit Pattern screen See Step 5 If one or more patterns have been configured and saved the message When copying other setting patterns to edit select the pattern to be copied and touch the OK button will appear Touch the OK button to create a new pattern using a blank pattern To use an existing pattern as a template select a desired pattern and then touch the OK button 30 2 To copy an existing pattern and paste it to selected days or dates Touch a pattern number to select it then touch the OK button to return to the Select Group and Day Date screen To set the schedule for other groups or days date gt See Step 2 When setting is complete See Step 10 To edit an existing pattern Touch an existing pattern number then touch the ES button to access the Edit Pattern screen See Step 5 lf the selected pattern number is assigned to other groups or days the message This pattern is used for another schedule To use different pattern number select th
29. e The DIDO controller groups and the LOSSNAY groups that do not support this function cannot be selected To select the groups on which to execute the Collective Operation Locking or unlocking access to the ON OFF Mode Set Temperature and Filter Sign Reset settings from the local and other system controllers 1 Touch the RC Prohibition button on the Collective Operation Setting screen Show Group Name List button Shows a list of group names in a pop up window 2 Read the pop up message and touch the OK button 3 62 Rene TEE to confirm 3 Select the groups to include from the Group buttons labeled A By default all groups are selected A 4 Touch the B Save button The settings that can be locked or unlocked depend on the type of group 3 To assign an operation mode to the Group icon on the HOME screen Touch the 3 Group Icon Setting button on the Operation Setting screen apis apse eG Seif LJ ig orou Icon Setting Qo Ps Operation mode 1 Sy eet en er ae Si Sh Stops or starts the operation of the specific group of units when the Group icon is touched zlec tai OU 1S DEO ea Operation mode 2 default Jumping to the Settings Screen A gt Allows the user to select multiple groups before jumping to the Group screen Touch the operate button after selecting groups to jump to the Group screen Operation mode 3 m Jumps to the Group screen when a Group icon is touched 1
30. e number and touch the OK button will appear To change the schedule of the day or date that was selected in Step 3 above alone select a new blank pattern number and then touch the OK button To change the setting of all groups and days to which the pattern is assigned just touch the OK button 5 On the Edit Pattern screen touch an event number to edit its contents Event No Scheduled actions Event No Scheduled actions Pattern l Pattern 1 lt 2 EE 7 ae E a E Scroll button ON OFF Mode Set Temperature and Fan Speed Air Flow Direction Prohibit Remote Controller Operation 1 The scheduled actions for each event will be displayed over two pages Use the scroll buttons to switch between the pages 2 On the Edit Pattern screen the events of a specific pattern can be copied and pasted to another pattern Refer to P32 for details 31 Usage Main Menu Settings Operation Setting cont d 6 Set the time and the actions for the selected event number Pattern Change values with the VILA buttons Touch the icons repeatedly to select the desired one Functions that can be included in each event are as follows Execution Time ON OFF Mode Fan Speed Air Direction Set Temperature and Local Remote Controller Operation Prohibition settings Refer to P34 for icon definitions The Set Temperature must be set to a temperature within the range that was specified in the Initial Settings 1 B
31. e operation status before the signal was received will be restored 62 Specifications 30VDC 1 Receives power from the power supply unit for transmission line or Power source for connection to M NET only from outdoor units via the M NET transmission cable The power y consumption coefficient of AT 50A is 4 Operating temperature range 0 40 C 32 F 104 F Temperature i Operating conditions Storage temperature range 20 70 C 4 F 158 F Humidity 30 90 RH Non condensing 0 5 kg 1 16 os External dimensions W x H x D 180 x 120 x 30 mm 7 3 32 x 4 23 32 x 1 3 16 in 1 Not for use with a generic DC power supply device Use the power supply unit for transmission line PAC SC51KUA etc by Mitsubishi 2 Power consumption Coefficient is a coefficient to calculate the relative power consumption of the devices that receive power through the M NET transmission line Refer to the note at the end of Chapter 1 5 System diagram in the Installation Manual 63 This product is designed and intended for use in the residential commercial and light industrial environment This product at hand is based on the following EU regulations e Low Voltage Directive 2006 95 EC e Electromagnetic Compatibility Directive 2004 108 EC sa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Authorized representative in EU MITSUBISHI ELECTRIC EUROPE B V HAR
32. eekly2 Do not use Weekly2 Edit Pattern screen 3 Use the L 4 buttons to select the use or non use of Weekly1 and the effective period for Weekly2 If Weekly2 is set to Do not use Weekly2 the effective D period cannot be set 4 Pressing the OK button will take the screen back to the Select Group and Days Date screen and the Q effective period on the Seasonal Settings button will be updated If the effective periods for Weekly1 and Weekly2 overlap the setting cannot be completed 8 29 NO Usage Main Menu Settings Operation Setting cont d 3 Select the cell where a specific group and a day date intersect to assign a pattern Patterns can be copied pasted or deleted on the Select Group and Days Dates screen e g The weekly schedule of a specific group can be copied and pasted to another group or the schedule pattern of a specific day can be copied and pasted to another day Refer to P32 for details 4 On the Select Pattern screen select deselected or one of the 12 or 5 patterns between P01 and P12 on the Weekly tab OR between P01 and P05 on the One Day tab Each pattern can be newly configured copied and pasted or edited See 1 2 and 3 below for details Touch a schedule pattern to select it Black pattern numbers indicate that the patterns have already been configured and the white ones indicate blank patterns Operation pattern numbers Sche
33. em Management cont d Number of Filter Signs detected Displays the number of Filter Signs that have been detected No Group Name vs poon OER oor a serene rm yi hy AIT Reset To check the information about the units whose Filter Signs are turned on 1 Touch the Filter Sign tab and check the number of units whose Filter Signs are turned on the names of the groups they belong to and their addresses e When a Filter Sign appears clean wash or replace the filter as necessary Refer to air conditioner or LOSSNAY manual for details e When amp appears on the Reset button the button will not be available To reset the Filter Sign after cleaning the filter Reset button Clears the specific Filter Sign All Reset button Clears all Filter Signs 58 wil System Management e When X appears on the System Changeover button this function will not be available for selection 2 Using the System Changeover function Use the System Changeover mode to automatically change a group of indoor units that are connected to the same outdoor unit over between the Cooling and Heating modes according to temperature changes Use this function to control the indoor units that do not have an automatic changeover mode They can be operated in the Heating mode in the morning and then automatically changed over to the Cooling or Heating mode all at once in the afternoon for ex
34. ent group ON BG Color blue OFF BG Color black 3 A Schedule enable disable General equipment icon Error BG Color yellow Air conditioning unit LOSSNAY General equipment group Error display Error When the Disable scheduled operation Displays 4 when an error occurs button is enabled Startup Communication error Displays when the Disable scheduled Displays as well as the error display when a operation button is enabled startup communication error occurs Room temperature Filter sign Display ranges 8 39 C 46 102 F When the Displays when filter needs maintenance temperature is beyond the range 8 C 46 F or During scheduled operation 39 C 102 F will blink on the display Displays during scheduled operation When multiple air conditioning units indoor units are registered to a group current indoor temperature on the main indoor unit is displayed 12 3 LIST screen Display selection button 1 TON BG Color blue OFF BG Color black Interlocked ventilation LOSSNAY operation iy 4 Group No Room Group name Check mark i Room Set i Room Interlocked Mode temperature temperature temperature ventilation 1 ilter si Mode Room Filter sign E 1 ON blue i hele i i OFF black l Filter sign BE temperature l I L When the temperature offset function is Interlocked LOSSNAY enabled the temperature
35. he Collective Operation anel button Press this button to bring up the collective operation panel Refer to P19 for information about the collective operation panel 8 GRID zoom out zoom in screen button 2 Displays the zoom out screen e Displays the zoom in screen Select All button Selects Deselects groups collectively Adds check marks to all selected icons Note Display and 0 vary depending on the operation mode Refer to P17 Operation mode for details Sample displays above are for default setting Operation mode 2 OMove to the selected group button Moves to the GROUP screen of the selected group Moves to the Multiple group selection screen when multiple groups are selected Refer to P23 Multiple group selection screen for details Page button Flips through pages 2 Display selection button Shows Hides the display for the information below e Set temperature e Scheduled operation is enabled Group button Switches the group to be displayed 4 Mode button Switches the operation mode of the air conditioning units and LOSSNAY Set temperature button Adjusts the set temperature by using the and buttons Set temperature appears above the button Disable scheduled operation button Use this button to temporarily disable the scheduled operation on the display The indicator on the button will remain lit when the function is enabled The sc
36. hedule screen to access the Select Group and Days Dates screen Step 1 Select the Weekly or One Day tab P y 4 oem tab One Day tab Y Weekly Validity period One day Select a group Step 5 Assign a pattern to the selected days or dates Weekly tab On the One day tab a 7 day schedule including today will be displayed Set Schec GN A Day Date grid Bakis m E Weekly screen ea ian aaa cer Displays the pattern numbers that are assigned to groups and days Mon Tue Wed Thu Fri Sat RHAI pelele M will appear on the top left corner of the cell to which One day schedule is assigned afo olofofo One day pattern will override the Weekly pattern The Seasonal Settings button will appear yi y Y i Aie gt 19 3 On the button the effective period that was selected on the Weekly Tab will appear Seasonal Settings btutton The effective period can be changed on the Seasonal Settings screen that will appear when the button is pressed e One day screen Displays the One day schedule patterns that are assigned to specific dates 2 Touch the Weekly or One Day tab When the Weekly tab was selected the Seasonal settings must be made as follows 1 Touch the Seasonal settings button on the Select Group and Days Date screen The Seasonal settings button appears only on the Weekly screen 2 Touch the button Q and select the use or non use of Weekly2 fal Use W
37. heduled operation will not be run when the icon is displayed dInterlocked ventilation LOSSNAY Air direction Fan speed Louver setting button Displays the popup window of Interlocked ventilation LOSSNAY Air direction Fan speed Louver setting screen Refer to P21 Interlocked ventilation units LOSSNAY Fan speed Air direction Louver settings for the popup window 8 ON OFF button Changes the operation to ON OFF Fan speed selection button Switches LOSSNAY fan speed between Lo and High i 1 Current time Displays the current time 2 Current page Total pages Displays the Current page Total page number Note Depending on the units to be controlled and AT 50A settings available button operations and displays vary While the icon is displayed on the button the operation is locked 11 Icon Displays HOME screen 1 GRID zoom out screen fl cen ES ON BG Color blue Group No Filter sign eCheck mark OFF BG Color black Air conditioning ON BG Color blue Error BG Color yellow Communication error at startup OFF BG Color black eCheck mark ON OFF i prohibition Schedule enable disable une Room temperature Mode Interlocked ventilation Filter sign 8 LOSSNAY operation LOSSNAY group ON BG Color blue OFF BG Color black Me Schedule enable disable Filter sign i i LOSSNAY icon General equipm
38. k button j Locks or unlocks the buttons on the AT 50A Press and hold the button for two seconds to lock or unlock the buttons The locked unlocked status icon will appear on the buttons HOME screen GRID zoom out screen Displays the operation status of all groups The button layout varies with the number of the registered groups GRID zoom in screen Displays the detailed operation status of each group 10 groups on 5 pages maximum a Locked a Unlocked A password may be required to unlock certain buttons Select the buttons to be locked from the Lock Buttons Refer to P42 on the Main menu If no items have been selected the operation lock button will not appear on the screen GROUP screen 6 Group icon operation status display button Displays the detailed operation status of each group Sets group operations When the air conditioning units are controlled LIST screen Displays the detailed operation status of each group with group name 5 groups on 10 pages maximum Operation differs depending on the operation mode Operation mode 1 Turns ON OFF the units in the group whose Group icon is touched Operation mode 2 Switches the Group icon between Selected checked and Deselected unchecked Default Displays the check mark when Group icon is touched Operation mode 3 Directly moves to the Group screen of the group whose Group icon is touched 10 00PM FE Access t
39. led General equipment icon Interlocked ventilation LOSSNAY Error When the Disable scheduled operation When the Temperature Correction function Interlocked ventilation LOSSNAY Displays amp when an error occurs button is enabled is enabled Displays the operation status of the ventilation Startup communication error Displays 8 when the Disable scheduled When the Temperature Correction function is that is interlocked with the air conditioning Displays as well as the error display when a operation button is enabled enabled the corrected temperature will appear indoor units startup communication error occurs Room temperature in the green outline font General equipment icon Filter sign sat deal has Aa ie ae oa Displays the General equipment type room temperature is beyond the range 8 e A Da aae 46 F or 39 C 1022F will blink on the display uring scheduled operation When multiple air conditioning units indoor Displays i during scheduled operation units are registered to a group current indoor temperature on the main indoor unit is displayed Note While the icon is displayed on the button the operation is locked 14 19 Basic Operations Screen selection GRID zoom out screen appears at the initial startup Select the desired screen GRID zoom out screen 10 00PM Ea GRID zoom in screen LIST screen 10 00PM ES 16 Group selection e Operation mode 1 2 3
40. led are as follows ON OFF Mode Set Temperature Fan Speed Air Direction and Remote Controller Operation Prohibition e Maximum of 12 patterns can be configured for the Weekly schedule and 5 for 1 day schedule e Two types of weekly schedule Summer Winter can be set e 1 day schedule overrides the Weekly schedule This function helps keep the indoor temperature in the temperature range while the units are stopped and during the time this function is effective Disabling scheduled Scheduled operation can be temporarily disabled l l 22 operation This setting must be set to OFF to run scheduled operation Automatically switches the entire system all indoor units that are connected to the same outdoor units to Cooling or Heating by periodically monitoring the room temperature and the preset temperature of each group and determining the best operation mode e The System Changeover function is not available for the following types of products Simultaneous Cooling Heating units with automatic mode change function Mr SLIM LOSSNAY and DIDO controller Weekly 1 day h Time and Sete Schedule Setback Control System System Changeover Management 1 Available functions vary depending on the unit type Only the functions that are supported by the connected units can be controlled from the AT 50A Locks the following buttons Collective ON OFF F1 F2 and Main 11 Restriction Settings Basic Settings
41. ller wipe with a soft cloth soaked in water with mild detergent wipe off the detergent with a wet cloth and wipe off water with a dry cloth To avoid damage to the controller provide protection against static electricity Function List The table below summarizes the functions that are available on the AT 50A Refer to the pages listed for details Switches the ON OFF operation of the units such as air conditioning units The LED on the Collective ON OFF button will light up when one or more units are in operation and off when all units are stopped Switches the mode Cooling Dry Fan Auto Heating for each group or all groups Switches the mode Bypass Heat recovery Auto for LOSSNAY groups The ON OFF operation of the interlocked ventilation unit is interlocked with the ON OFF operation of the air conditioning unit The interlocked ventilation units can be independently operated for ON High Low OFF for each group or all groups When the ventilation unit is interlocked with the air conditioning unit the ventilation mode cannot be used Unit Operation ON OFF Operation for Interlocked Ventilation The following functions can be collectively executed on multiple groups Calle hs Oe Men Setback Schedule Mode Temperature Correction RC Prohibition e Allows the user to set the Weekly schedule for each group e Maximum of 16 events can be scheduled for each day e The types of actions that can be schedu
42. ller To reduce the risk of electric shock or malfunctions do not touch the touch panel switches or buttons AN with a pointy or sharp object Precautions during installation A WARNING Do not install the controller where there is a risk of leaking flammable gas If flammable gas accumulates around the controller it may ignite and cause a fire or explosion Properly dispose of the packing materials Plastic bags pose suffocation hazard to children NO Precautions for moving or repairing the controller Z WARNING The controller should be repaired or moved only by qualified personnel Do not disassemble or modify the controller S Improper installation or repair may cause injury electric shock or fire Z CAUTION To reduce the risk of shorting electric shock fire or malfunction do not touch the circuit board with tools or with your hands and do not allow dust to accumulate on the circuit board Additional precautions To avoid damage to the controller use appropriate tools to install inspect or repair the controller AT 50A is designed for exclusive use with the Building Management System by Mitsubishi Electric The use of this controller for with other systems or for other purposes may cause malfunctions To avoid damage to the controller do not overtighten the screws To avoid discoloration do not use benzene thinner or chemical rag to clean the controller To clean the contro
43. nd the function cannot be assigned to the F1 or F2 button 54 Main Menu gt Control Panel gt Volume Control 3 Adjusting the volume and brightness Touch the 3 Volume Control button on the Control Panel screen oy Volume Control To adjust the volume 1 Touch the Sound button on the Volume Control screen Every time the Sound button is touched the sound level changes as follows Level 0 gt Level 2 gt Level 3 2 Touch the 3 Save button Level 1 To adjust the brightness 1 Touch the 2 Brightness button on the Volume Control screen Every time the 2 Brightness button is touched the brightness level changes as follows 70 gt 80 90 100 2 Touch the 3 Save button 55 Usage Main Menu Settings Control Panel cont d Main Menu gt Control Panel gt Touch Panel Calibration 4 Calibrating the touch panel 4 Touch the white dots in the araar on the screen There will be nine of them all together to the previous screen 1 Touch the 4 Touch Panel Calibration button on the Control Panel screen Touch the OK button on the confirmation screen 2 Touch the white squares 4 in the order they appear starting from the top left corner 3 After all nine squares are touched the screen will return to the Control Panel screen If each square is not touched within one minute after the last square is touched c
44. nel has the functions that can be executed collectively Setback Schedule Mode Temperature Correction RC Prohibition Indicator Touching the icon at the left bottom of the Function icon on the GRID or the LIST screen will bring up the Collective Operation panel Each button has an indicator and the function Collective name Operation button The indicators on the buttons show which functions are assigned to which buttons Before using the Collective Operation buttons the groups to execute collective settings on must be selected and the parameters must be set from Main Menu gt Operation Setting gt Collective Operation Setting lf x appears on an icon of a given function the function is not available Performing Collective Operation 4 On the GRID or the LIST screen touch the button that brings up the Collective Operation Panel 2 Select the Collective Operation button on the Collective Operation panel 3 Press OK on the Collective Operation panel Go to 4 if Setback or Mode was selected Otherwise the setting is complete 4 If Setback or Mode was selected take the following steps When Mode is selected Mode Touch OK on the popup window When Setback is selected Pa 3 Select the desired item and touch OK Scheduled Scheduled operation is enabled The units will operate according to the Setback Control settings P35 Unscheduled Scheduled operation is disabled
45. nges the prohibit permit status of a specific item the screen display will be updated The mark will appear or disappear e When this function is in use the buttons on AT 50A cannot be disabled from the system controller 47 Usage Main Menu Settings Restriction Settings cont d Main Menu gt Restriction Settings gt Operation Mode Selection Limit 4 Operation mode selection limit season changing Selection to specific operation modes with this controller or the local remote controller for all groups can be limited For example the mode selection can be limited according to the season Cooling mode limit winter heating mode limit Summer cooling heating mode limit between seasons 1 Touch the 4 Operation Mode Selection Limit button on the Restriction Settings screen 2 Touch the button to set the operation mode limit Touch the 1 button repeatedly to select from following settings gt irop ECs ineitstingcnerationc Cy ao 48 No Limitation The limits will be cancelled The cooling dry and automatic modes cannot be selected with the Mode button The heating and automatic modes cannot be selected with the Mode button The cooling dry heating and automatic modes cannot be selected with the Mode button Button Explanation No Cooling Operation No Heating Operation No Heating Cooling Press the button labeled 2 to set different limitation type for differe
46. nt groups The groups whose limitation setting is different from the one for the collective setting will appear underlined l 3 Select the groups to include from the Group buttons labeled 3 4 Touch the 4 Save button e When this function is used the System Changeover function cannot be used e Note that this function cannot be used with some indoor units In this case changeover of the operation mode cannot be limited with the local remote controller 49 Usage Main Menu Settings Control Panel Is fel I Main Menu gt Control Panel gt Display Format 1 Setting the basic display settings on the HOME and MENU screens Touch the 1 Display Format button on the Control Panel screen To select the display language 1 Touch the 1 Language button on the Display Format screen 1 3 6 2 Select a desired language from the language options buttons labeled in the figure on the pop up screen 3 Press the OK button to return to the previous screen D To select the temperature unit Touch the 2 Temperature unit button on the Display Format screen 1 3 to switch between and 50 To show or hide the room temperature Touch the 3 Room Temperature button on the Display Format screen 1 3 to switch between and Display Format screen 2 3 To show or hide the Cooling Heating mode icon during Auto mode when the operation mode is enabled Touch the 8 Automatic Mode Displ
47. o close the popup window and return to the Setback Control screen The new settings will appear on the display section on the screen Pressing Cancel will close the popup window but the new setting will not be reflected on the display section 4 on the screen 4 Press the button labeled 5 to set different lower upper limit temperature for different groups The groups whose temperature setting is different from the one for the collective setting will appear underlined BES 5 Select the groups to include from the Group buttons labeled By default all groups are selected 6 Touch the Save button e The minimum difference between the upper and lower limits is 4 C 8 F e The temperature range that can be set depends on the connected units e The temperature can be set within the following range Upper limit 19 C 30 C 19 C 30 C 67 F 87 67 F 87 F Lower limit 12 C 28 C 17 C 28 C 53 F 83 F 63 F 83 F in case of using Mr SLIM units e The groups that do not support the Setback function cannot be selected e The changes that are made while the Setback function is turned on will not be reflected To have the settings reflected turn off the Setback function and then turn it back on Refer to P19 for how to turn on off the Setback function e The Setback status can be verified by accessing the Check Current Settings screen from the Time and Schedule screen
48. ouched the action differs depending on the operation mode Default is set to the operation mode 2 Operation mode 1 Turns ON OFF the units in the group whose Group icon is touched Operation mode 2 Displays the check mark when Group icon is touched Touch the Group icons of the groups 41 to be operated and then touch the OPERATE button to move to the Group screen Multiple groups can be selected Use this mode when operating the multiple groups collectively Operation mode 3 Directly moves to the Group screen of the group whose Group icon is touched Sets the sound volume and screen brightness If an error occurs on the AT 50A controller or the units and controllers it controls the LED on the Collective ON OFF button will blink If an error occurs on the indoor or LOSSNAY units A will 57 appear on the corresponding group icon on the HOME screen The error code can be verified and reset on the Status List screen Filter Icon will appear on the HOME screen when the filter is due 57 for cleaning The icon can be removed from the Status List screen Disables the touch panel to allow the user to clean the panel Calibrates the touch panel if the touch panel does not respond 56 correctly when touched Receives input signals from external devices and start stop all groups of units or permit prohibit operations from the local remote controllers Requires cable connections Outputs the operation status of the units ON OFF o
49. pear on the selected item s 4 Touch the 2 Paste button 5 Touch the OK button on the window that pops up Deleting selected settings 1 Touch the items to be deleted Items that can be deleted at once include the weekly schedule for a group the pattern assigned to a specific day or the event that is scheduled to take place at a certain time Multiple items can be deleted at once 2 Touch the iD Delete button 3 Touch the OK button on the window that pops up 33 Usage Main Menu Settings Operation Setting cont d pe Sm EN rd OQ ah adic aa Aa Al Ryn ore UnG iiime and IOCU ule gt ve ID ALKA UOT OI back function n Menu gt Operati Setting t he Night set Inserting an event Night setback function is a function that prevents indoor dew or extreme temperature rise by heating 1 Touch a row to insert an event above it cooling automatically when the room temperature goes outside of the specific range during the set time A red checkmark will appear on the selected row period ee lOMeH ME Bd mise Es SONOS A TON ANARA ADONE Me EERIE O ton e When the air conditioning group with night setback function is off and when the temperature If the maximum number of events have been set no more rows can be inserted exceeds the preset temperature heating cooling operation starts If the room temperature is measured by the air conditioner s suction temperature sensor the temperature may not be correc
50. r disabled from the Collective Operation panel Power indicator The power indicator lights up when the power to AT 50A is turned on Unlit Power OFF Lit Power ON 1 When the button is pressed while the operation is prohibited the LED will blink twice 2 Buttons 2 3 and are available only on the HOME screen Screen Contiguration HOME screen 1 How to switch the HOME screen Touch tubs to change the display format Zoom out screen E Displays the GRID screen HOME screen GROUP screen 16 66PM a To the GROUP screen Displays the GRID zoom out screen Displays the GRID zoom in screen To the GRID screen B Displays the LIST screen i Displays the GROUP screen 2 How to move to the Main Menu screen a Displays the Main Menu screen To the GROUP To the LIST screen screen 3 How to move to the Maintenance screen Refer to the Installation Manual To the GRID Zoom out screen To the GRID zoom in screen LIST screen To the LIST screen OOO 16 00PM Zoom in screen To the GRID screen To the Main Menu screen To the HOME screen Buttons HOME screen GRID screen button Displays the GRID screen 2 LIST screen button Displays the LIST screen 3 GROUP screen button Displays the GROUP screen 4 MAIN MENU screen button Displays the MAIN MENU screen LIVING DINING ENTRAN GUEST LIBRARY i Operation loc
51. r error signals to external devices collectively using contact signals Requires cable connections Names and Functions of Controller Components The AT 50A described in this manual is a centralized controller with color LCD touch panel for air conditioning units LOSSNAY and General equipment using the Mitsubishi Electric DIDO controller PAC YG66DCA AT 50A can control up to 50 units 50 groups 1 AT 50A controls and monitors the air conditioning units of each group AT 50A also can control detailed scheduling and prohibits the local remote controller operation in each room group which may lead to energy savings Basic operations are accessed through the AT 50A touch panel ON OFF F1 and F2 operations that control air conditioning units collectively are accessed by using buttons next to the touch panel AT 50A display screen consists of three types corresponding to the usage HOME screen Monitoring screen to monitor the operation status of the units described in this Instruction Book Main Menu screen _ Setting screen to set the functions such as schedule settings described in this Instruction Book Maintenance screen Initial setting screen to set the basic systems such as group settings described in the Installation Manual 1 Group minimum unit to be controlled by AT 50A 1 2 A group consists of units 16 units maximum COLLECTIVE ON OFF O Buttons and have indicators on the
52. r on button will light up in yellow When this function is enabled the icon 4 will appear on the screen and the scheduled operation will not be run Operating the LOSSNAY group Displays that are not marked by numbers on the screen are the same as those on the Air conditioning unit group screen Mode Touch 1 to access the modes in the order Bypass Heat recovery Auto The selected mode will appear in the area marked 2 16 8PM Available mode varies depending on the model Modes that are unavailable do not appear Fan speed setting Touch 3 to access the fan speeds in the order Low High The selected fan speed will appear in the area marked 4 Operating the General equipment group Displays that are not marked by numbers on the screen are the same as those on the Air conditioning unit group screen Displays the General equipment type When changing icons refer to the Installation Manual ON OFF operation e When the General equipment is turned on the output contact of DIDO controller PAC YG66DCA also turns on e When the General equipment is turned off the output contact of DIDO controller PAC YG66DCA also turns off Multiple group selection screen Allows the user to collectively operate all groups that are selected on the GRID or LIST screen When selected groups include two or more unit types select the unit type to be operated Then the target group will be the
53. t when the air conditioner is inactive and the air is not fresh When the air conditioner is inactive using a remote sensor or a remote control sensor is recommended to measure room temperature correctly If the temperature setting or ON OFF operation is prohibited for this unit Setback operation cannot be used If the operation mode change is prohibited or the operation mode selection is limited for this unit Setback function may not function properly When the night setback control is set air conditioning group operates as shown below Icon Definitions Functions Deselected Setting Options ON OFF o S iS EJ Cooling Dry Fan Heating Auto Mode A amp pa Si Bypass Heat Recovery Auto Damper s s s s s Fan Speed H dl a ll PS Quiet Low Mid High Auto d q q q q d q Z 4 4 G4 Setting 1 Setting 2 Setting3 Setting4 Setting5 Swing Auto Local remote controller mi Om operation prohibition ON OFF Permit Prohibit Local remote controller Oz operation prohibition Mode Pemt Prohibit Local remote controller N operation prohibition Set Temperature Permit Prohibit Local remote controller Las amp operation prohibition Filter Sign Reset a A Air Flow Direction Upper limit DE WACK Operation stop temperature 21 C 69 F aff Ye E Setback eE Ne o eE S 28 C 83 9F m eee temperature Lower limit temperature 12 C 53 F 7 Heating Heating Heating Cooling Cooling Cooling Cooling On Off Off On Off On Off
54. the lt gt buttons to check the actions for each scheduled event Touch the Close button to return to the previous screen 5 To change the schedule settings touch the Return P button to return to the Time and Schedule screen and access the Set Schedules screen 3 Usage Main Menu Settings Operation Setting cont d Collective Operation Setting When 3 appears on the RC Prohibition button this function will not be available To select the groups on which to execute the Collective ON OFF function 1 Touch the ON OFF button on the Collective Operation Setting screen 2 Read the pop up message and touch the OK button to confirm Show Group Name List button Shows a list of group names in a pop up window Collective Operation du ONZ OFF 3 Select the groups to include from the Group buttons labeled A By default all groups are selected 4 Touch the B Save button button Selects all groups e The DIDO controller groups that do not support the Collective ON OFF function cannot be selected 38 To select the groups on which to execute the Collective Operation Enable or disable the Setback function 1 Touch the Setback button on the Collective Operation Setting screen aaa 2 Read the pop up message and touch the OK button i VE to confirm Ole 3 Touch the T LA buttons to set the upper and D lower limits Press the button labeled O to set different r
55. the performance S of the unit or cause certain components of the unit to corrode which can result in electric shock malfunctions smoke or fire To reduce the risk of injury or electric shock before spraying a chemical around the controller stop the AN operation and cover the controller To reduce the risk of injury or electric shock stop the operation and switch off the power supply before AN cleaning maintaining or inspecting the controller Properly install all required covers to keep moisture and dust out of the controller Dust accumulation and water can cause electric shock smoke or fire To reduce the risk of shorting current leakage electric shock malfunctions smoke or fire do not wash the controller with water or any other liquid To reduce the risk of electric shock malfunctions s smoke or fire do not operate the switches buttons or N touch other electrical parts with wet hands Z CAUTION To reduce the risk of fire or explosion do not place flammable materials or use flammable sprays around the controller To reduce the risk of injury and electric shock avoid AN contact with sharp edges of certain parts To avoid injury from broken glass do not apply To reduce the risk of damage to the controller do not excessive force on the glass parts h directly spray insecticide or other flammable sprays S on the controller To reduce the risk of injury wear protective gear when working on the contro
56. top Touch panel Buttons i Display Touch panel AT 50A features a 5 color LCD touch panel Touch panel displays the operation status of the units Function settings such as week schedule settings are accessed through the touch panel The backlight lights up when the panel is touched and lights off after certain period of time The backlight will remain lit as long as an error exists 2 Collective ON OFF Button 1 The Collective ON OFF button enables the collective ON OFF function that allows the user to turn on off the air conditioning units LOSSNAY and DIDO controllers in all groups collectively The indicator corresponds to the operation status of controlled units Unlit Indicates that all units are stopped Lit Indicates that one or more units are in operation Blink Indicates that an error is occurring Button F1 Button F2 1 2 Desired functions from the following list can be assigned to the F1 and F2 buttons Setback Schedule Operation Mode Temperture Correction Remote Controller Prohibition The functions to assign to these buttons can be selected from the Function Key Setting on the Control Panel The indicator on the buttons indicates the enabled disabled status of the function Unlit The assigned function is disabled Lit The assigned function is enabled The indicators on the F1 and F2 buttons will be lit or unlit when the functions that are assigned to the F1 and F2 buttons are enabled o
57. umber All units in each group are operated in the same operation mode The AT 50A automatically creates blocks based on the refrigerant System Changeover 81 82 03 04 11 12 13 14 89 18 05 86 07 08 BEEN RAI Pa pipe connection information and Displays the number assigned to the indoor unit groups that are connected to the group setting information on the outdoor units in a specific block Select a representative group from this list each unit when the Representative Group is selected for the System Changeover mode 1 Touch the 2 System Changeover button on the System management screen 2 Touch the Change mode button to select between None Auto and Representative Group System Changeover Setting mode None default Select this option so as not to use the System Changeover function The operation modes cooling heating will be changed over based on the following Temperature differences between the preset temperature and the room temperature of all indoor unit groups that are connected to a specific outdoor unit AND the capacity of Auto each indoor unit in each group The operation mode of the groups of units that are not operating or the ones that are operating in the Fan or Auto mode will remain the same The operation modes Cooling Heating will be changed over based on the temperature difference between the preset temperature of the representative group and the room
58. uttons 4 Operation Mode Selection Limits the operation mode selection P48 Limit i Control Panel Selects the display formats on the Home and Menu screens P50 Display language temperature unit display or non display of room temperature and Cooling Heating mode icons during Auto mode and backlight timer and group names 1 Display Format Assigns the functions to the F1 and F2 buttons P54 Setback Schedule Mode Temperature Correction and RC Prohibition can be assigned 2 Function Key Setting 3 Volume Control Sets the sound volume and screen brightness P55 4 Touch Panel Calibration System Management 1 Status List 2 System Changeover Calibrates the touch panel P56 Displays errors and filter signs P57 Selects the System Changeover setting P59 Automatically switches the entire system to Cooling or Heating based on the room temperature and the preset temperature of each group This function cannot be used when the Operation Mode Selection Limit function is used 25 Usage Main Menu Settings Operation Setting Main Menu gt Operation Setting gt Time and Schedule Time and Schedule 26 Main Menu gt Operation Setting gt Time and Schedule gt Date and Time A Setting the date time and display format Cys and Time Cie and Time nn A A A EE EH 2 E kekal oma ma MAy JA HA MA oy j nd Save Save 6 Date tab Time tab 1 Touch the Date and Time
59. with a soft dry cloth a cloth soaked in water with mild detergent or a cloth dampened with ethanol Do not use acidic alkaline or organic solvents 61 Troubleshooting The indicator on the Collective ON OFF button is Solution blinking Touch Main Menu gt System Management gt Status List ON the Malfunction tab check the error code and the error source address on the screen and consult your dealer Refer to P57 A 7 is displayed on the screen Solution Touch Main Menu gt System Management gt Status List ON the Malfunction tab check the error code and the error source address on the screen and consult your dealer Refer to P57 A Filter Sign is displayed on the screen Solution Touch Main Menu gt System Management gt Status List ON the Filter Sign tab check the address on the screen Clean the filter on the unit whose Filter Sign is on according to the instructions in the manual for the applicable unit Refer to P57 Emergency Stop Level signal is displayed on the screen and the controller does not respond to the ON OFF button If the external input interface receives an emergency stop signal all indoor units and the LOSSNAY that are controlled Suefaencr Sten by the AT 50A will stop The AT 50A controller low level Level signal system controllers or local remote controllers will not respond until the emergency stop signal input is removed When the emergency stop signal is removed th
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