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CITY MULTI Control System
and Mitsubishi Mr. SLIM Air Conditioners
Simple MA Remote Controller
Instruction Book
Prior to use, thoroughly read the instructions in this manual to use the product correctly.
Retain for future reference.
Make sure that this manual and Installation Manual are passed on to any future users.
To ensure safety and proper operation of the remote controller, the remote controller should only be
installed by qualified personnel.
Safety precautions............................................................... 2
Controller interface .......................................................... 4
Display............................................................................. 5
Basic operations.................................................................. 6
Operation mode............................................................... 6
Preset temperature.......................................................... 7
Fan speed........................................................................ 8
Vane ................................................................................ 8
Controller operation - Function settings .............................. 9
Temperature range restriction ......................................... 9
Operation lock setting.................................................... 10
Mode skip setting........................................................... 10
Backlight brightness setting........................................... 11
Specifications .................................................................... 12
Icon explanations
The square icons used in this manual indicate as follows.
ON
Indicates settings that can be changed only while the
units are in operation.
OFF
Indicates settings that can be changed only while the
units are stopped.
Indicates functions that are not available when the
buttons are locked or the system is centrally controlled.
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Table of Contents

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   Summary of Contents for Mitsubishi Electric PAC-YT52CRA

  • Page 1: Table Of Contents

    CITY MULTI Control System and Mitsubishi Mr. SLIM Air Conditioners Simple MA Remote Controller PAC-YT52CRA Instruction Book Safety precautions............... 2 Names and functions of controller components ....4 Controller interface ............4 Display................5 Basic operations..............6 Operation mode............... 6 Preset temperature............
  • Page 2: Pac-yt52cra

    • Read the following safety precautions before using the controller. • Observe these precautions carefully to ensure safety. WARNING Indicates a risk of death or serious injury if you misuse the PAC-YT52CRA. Indicates a risk of serious injury or structural damage if you misuse the CAUTION PAC-YT52CRA.
  • Page 3 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 unit, use appropriate tools to To avoid discoloration, do not use benzene, thinner, or install, inspect, or repair the unit.
  • Page 4: Names And Functions Of Controller Components

    (See Page 7.) button (See Page 7.) button (See Page 6.) button (See Page 8.) * To set the functions that are not available on this controller (PAC-YT52CRA) such as Louver, use MA remote controller or the centralized controller. – 4 –...
  • Page 5: Display

    Display * All icons are displayed for explanation. CENTRAL icon *1 CHECK icon *2 Preset temperature *3 icon appears while the unit is operated in the energy-save mode icon appears when Operation lock setting is effective. (See page 10.) icon appears when indoor unit functions are set up. (Refer to the Installation Manual.) Fan speed icon Vane icon...
  • Page 6: Basic Operations

    Basic operations Operation mode Pressing the button will change the operation mode in the following order. *1, *2 *1, *3 COOL DRYING AUTO HEAT VENTI. *1: Not all functions are available on all models of indoor units. Functions that are not available will not appear on the display.
  • Page 7: Preset Temperature

    Preset temperature In COOL, DRYING, HEAT, and AUTO (single set point) modes Pressing the button increases the preset temperature. Pressing the button decreases the preset temperature. In AUTO (dual set point) mode Cooling preset temperature Current preset temperature (cooling/heating) appears. When the button is pressed, the preset temperature (cooling/heating) display blinks.
  • Page 8: Fan Speed

    Preset temperature range is as follows. Operation mode Preset temperature range COOL/DRYING 19 - 30°C/67 - 87°F *1 HEAT 17 - 28°C/63 - 83°F *1 AUTO (single set point) 19 - 28°C/67 - 83°F *1 AUTO (dual set point) [COOL] Preset temperature range for COOL mode. [HEAT] Preset temperature range for HEAT mode.
  • Page 9: Controller Operation - Function Settings

    Controller operation - Function settings Temperature range restriction The preset temperature range for each operation mode can be restricted. The air conditioning unit stops. (Press the button for three seconds or longer.) (Press the button for three seconds or longer.) B.
  • Page 10: Operation Lock Setting

    • After the temperature range restriction is executed, if the user tries to select a temperature outside of the range, the preset temperature display will blink. * The temperature range on this controller (PAC-YT52CRA) connected to the indoor units that have the temperature range restriction function can be restricted also from the centralized controller that has the same function.
  • Page 11: Backlight Brightness Setting

    1 Press the button to stop the air conditioning unit. 2 Press the buttons simultaneously for three seconds or longer to bring up the Mode skip settings display. (The current setting will appear.) 3 Press the button to select ON or OFF. ON: AUTO mode can be selected by pressing the button during operation.
  • Page 12: Specifications

    • 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. WT06591X01 HARMAN HOUSE, 1 GEORGE STREET, UXBRIDGE, MIDDLESEX UB8 1QQ, U.K. – 12 –...

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