Table of Contents
Quick Links
Air-conditioner Control System
ADVANCED TOUCH CONTROLLER
MODEL
AT-50A
INSTRUCTION BOOK
Before using the controller, read this
Instruction Book carefully to ensure
proper operation.
Retain this Instruction Book for future
reference.
Make sure that this manual as well as the
Installation Manual are passed on to any
future air condition system users.
To ensure safety and proper operation of
the unit, the unit should only be installed
by qualified personnel.
Safety Precautions .............................................................. 2
Function List ........................................................................ 4
Names and Functions of Controller Components................ 6
Screen Configuration [HOME screen] ................................. 8
Buttons [HOME screen] ..................................................... 10
Icon Displays [HOME screen]............................................ 12
Basic Operations ............................................................... 16
Screen selection ......................................................................... 16
Group selection .......................................................................... 17
Operating the Air conditioning unit group ................................... 18
ON/OFF operation ........................................................................ 18
Mode ............................................................................................. 18
Temperature setting ...................................................................... 20
"Disable scheduled operation" button ........................................... 22
Operating the LOSSNAY group .................................................. 22
Mode ............................................................................................. 22
Fan speed setting ......................................................................... 22
Operating the General equipment group .................................... 22
ON/OFF operation ........................................................................ 22
Multiple group selection screen .................................................. 23
Disabling functions ..................................................................... 23
Menu Screen ..................................................................... 24
Usage - Main Menu Settings ............................................. 26
Operation Setting ....................................................................... 26
Restriction Settings .................................................................... 42
Control Panel .............................................................................. 50
System Management ................................................................. 57
Maintenance ...................................................................... 61
Touch Panel Cleaning screen ..................................................... 61
Troubleshooting ................................................................. 62
Table of Contents
Related Manuals for Mitsubishi Electric AT-50A
Summary of Contents for Mitsubishi Electric AT-50A
-
Page 1: Table Of Contents
Air-conditioner Control System ADVANCED TOUCH CONTROLLER MODEL AT-50A INSTRUCTION BOOK Safety Precautions .............. 2 Function List ................ 4 Names and Functions of Controller Components....6 Screen Configuration [HOME screen] ......... 8 Buttons [HOME screen] ............. 10 Icon Displays [HOME screen]..........12 Basic Operations ............... -
Page 2: Safety Precautions
Keep this manual for future reference and refer to it as necessary. This manual should be made available to those who repair or relocate Additional precautions the controller. Make sure that the manual is passed on to any future AT-50A users. To avoid damage to the controller, use appropriate tools to To avoid damage to the controller, do not overtighten the All electric work must be performed by qualified personnel. -
Page 3: Function List
Function List Function Description Page The table below summarizes the functions that are available on the AT-50A. Locks the following buttons: Collective ON/OFF, F1, F2, and Main Refer to the pages listed for details. Menu. Lock Buttons Locks the following functions: ON/OFF, Mode, Set Temp, Fan Speed, and Schedule ON/OFF. -
Page 4: Names And Functions Of Controller Components
Names and Functions of Controller Components Product features Touch panel / Buttons The AT-50A described in this manual is a centralized controller with color LCD touch panel for air 1 Display/Touch panel conditioning units, LOSSNAY, and General equipment using the Mitsubishi Electric DIDO controller (PAC- AT-50A features a 5"... -
Page 5: Screen Configuration [Home Screen]
Screen Configuration [HOME screen] HOME screen GRID screen GROUP screen 1. How to switch the HOME screen Touch tubs to change the display format. Zoom-out screen : Displays the GRID screen. To the GROUP screen : Displays the GRID (zoom-out) screen. : Displays the GRID (zoom-in) screen. -
Page 6: Buttons [Home Screen]
Selects/Deselects groups collectively. Adds check Displays the Current page/Total page number. marks to all selected icons. Note : Depending on the units to be controlled and AT-50A settings, available button operations and displays vary. Operation mode 3 : While the... -
Page 7: Icon Displays [Home Screen]
Icon Displays [HOME screen] (1) GRID (zoom-out) screen (3) LIST screen [ON (BG Color: blue)] Group No. •Filter sign •Check mark [OFF (BG Color: black)] [Error (BG Color: yellow)] Error display Communication error Display selection button Display selection button at startup [ON (BG Color: blue)] [OFF (BG Color: black)] [ON (BG Color: blue)]... - Page 8 Icon Displays [HOME screen] GROUP screen Group name [Air conditioning unit group] [LOSSNAY group] During operation During operation Group No. Mode Room temperature Error Set temperature While the unit is stopped Startup (communication) Fan speed display error Filter sign Scheduled operation /Disabled Disable scheduled operation function: ON...
-
Page 9: Basic Operations
Stops or starts the operation of the air conditioning units through Group icon 1. * ON/OFF operation lock 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. -
Page 10: Operating The Air Conditioning Unit Group
Basic Operations Operation Screen (Group screen) Collective Operation Panel Operating the Air conditioning unit group This panel has the functions that can be executed collectively. (Setback, Schedule, Mode, Basic operations (GROUP screen) Indicator Temperature Correction, RC Prohibition) Function Touching the icon at the left bottom of the icon on the GRID or the LIST screen will bring up the Collective Operation panel. -
Page 11: Temperature Setting
Basic Operations Interlocked ventilation units (LOSSNAY)/ Checking the status of the collective operation functions 1 On the GRID or the LIST screen, touch the button that brings up the Collective Operation panel. Fan speed/Air direction/Louver settings 2 Check the color of the indicator on the collective operation button. (Yellow) : The function is enabled. -
Page 12: Disable Scheduled Operation" Button
DIDO controller (PAC- If the AT-50A denies other controllers access to itself, other controllers cannot disable the functions on YG66DCA) also turns off. -
Page 13: Menu Screen
(Top screen) 2 Restriction Settings (1) Lock Buttons Locks the buttons and the functions on the AT-50A. (2) Set Temperature Range Limit Sets the temperature range for the local remote controllers. (3) Prohibit Remote Controller Locks the buttons* on the local remote controllers. -
Page 14: Usage - Main Menu Settings
Usage - Main Menu Settings Operation Setting Main Menu > Operation Setting > Time and Schedule > Date and Time Main Menu > Operation Setting A Setting the date, time, and display format Date tab Time tab 1. Touch the A Date and Time button on the [Time and Schedule] screen. Main Menu >... - Page 15 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 Schedule] screen to access the Select Group and Days/Dates screen. Step 1 Select the Weekly or One Day tab. Current tab [One Day] tab name...
- Page 16 Usage - Main Menu Settings Operation Setting (cont'd) ② To copy an existing pattern and paste it to selected days or dates 3. Select the cell where a specific group and a day (date) intersect to assign a pattern. Touch a pattern number to select it, then touch the [OK] button to return to the Select Group and Day/ * Patterns can be copied, pasted, or deleted on the Select Group and Days/Dates screen.
- Page 17 Usage - Main Menu Settings Operation Setting (cont'd) 6. Set the time and the actions for the selected event number. 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 Change values with the day, or the event that is scheduled to take place at a certain time.
- Page 18 Usage - Main Menu Settings Operation Setting (cont'd) Main Menu > Operation Setting > Time and Schedule > Setback Control C Setting the Night setback function Inserting an event Night setback function is a function that prevents indoor dew or extreme temperature rise by heating/ 1.
- Page 19 Usage - Main Menu Settings Operation Setting (cont'd) Main Menu > Operation Setting > Time and Schedule > Check Current Settings D Checking the Weekly/One Day Schedule Settings 3. Press button 1 to bring up the “Control Time Period” and “lower/upper limit temperature” settings 1.
- Page 20 Usage - Main Menu Settings Operation Setting (cont'd) To select the groups on which to execute the Collective Operation Main Menu > Operation Setting (Enable or disable the Setback function) 1. Touch the 2 Setback button on the [Collective Operation Setting] screen. 2.
- Page 21 Usage - Main Menu Settings Operation Setting (cont'd) 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 To select the groups on which to execute the Collective Operation controllers).
-
Page 22: Restriction Settings
Usage - Main Menu Settings Restriction Settings Setting the Unlock password Main Menu > Restriction 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. - Page 23 • 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...
- Page 24 (The Main Menu > Restriction Settings> Prohibit Remote Controller mark will appear or disappear.) ・When this function is in use, the buttons on AT-50A cannot be 3Locking or unlocking access to the ON/OFF, Mode, Set Temperature, Locked → Unlocked disabled from the system controller.
- Page 25 Usage - Main Menu Settings Restriction Settings (cont'd) Explanation 1Button No Limitation The limits will be cancelled. No Cooling Operation The cooling, dry and automatic modes cannot be selected with the Mode button. Main Menu > Restriction Settings No Heating Operation The heating and automatic modes cannot be selected with the Mode button.
-
Page 26: Control Panel
Usage - Main Menu Settings Control Panel To show or hide the room temperature Main Menu > Control Panel Touch the Room Temperature button on the [Display Format] screen (1/3) to switch between Show and Hide . Display Format screen ： 2/3 Main Menu >... - Page 27 Usage - Main Menu Settings Control Panel (cont'd) Character input screen Main Menu > Control Panel Main Menu > Control Panel > Display Format Display Format screen ： 3/3 To enter character strings such as group names (maximum 16 characters), perform the following procedure.
- Page 28 Usage - Main Menu Settings Control Panel (cont'd) Main Menu > Control Panel Main Menu > Control Panel Main Menu > Control Panel > Volume Control Main Menu > Control Panel > Function Key Setting 2Assigning Collective Operation functions to the Function Button 1 3Adjusting the volume and brightness (F1) and Function Button 2 (F2) Touch the 3 Volume Control button on the [Control Panel] screen.
-
Page 29: System Management
Usage - Main Menu Settings Control Panel (cont'd) System Management Main Menu > Control Panel > Touch Panel Calibration 4Calibrating the touch panel Main Menu > System Management Main Menu > System Management > Status List 1. Touch the 4 Touch Panel Calibration button on the [Control Panel] screen. 1Checking or resetting the Error or Filter Sign Touch the OK button on the confirmation screen. - Page 30 Usage - Main Menu Settings System Management (cont'd) Main Menu > System Management Number of Filter Signs detected Displays the number of Filter Signs that have been detected. To check the information about the units whose Filter Signs are turned on ・When appears on the “System-Changeover”...
-
Page 31: Maintenance
Block No. Displays the block number. All units in each group are operated in the same operation mode. The AT-50A automatically creates Group list blocks based on the refrigerant 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. -
Page 32: Troubleshooting
If the external input interface receives an emergency stop signal, all indoor units and the LOSSNAY that are controlled by the AT-50A will stop. The AT-50A controller, low-level system controllers, or local remote controllers will not respond until the emergency stop signal input is removed. - Page 33 This product at hand is based on the following EU regulations: • Low Voltage Directive 2006/95/EC • Electromagnetic Compatibility Directive 2004/108/EC HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Authorized representative in EU: MITSUBISHI ELECTRIC EUROPE B.V. HARMAN HOUSE, 1 GEORGE STREET, UXBRIDGE, MIDDLESEX UB8 1QQ, U.K. WT06092X01...