Table of contentsInstaller and user reference guide2BRC1H51W+K+SWired remote controller4P513689-1 – 2018.02Table of contents1 General safety precautions 21.1 For the user ............................................................................... 21.2 For the installer.......................................................................... 32 About this document 3For the user 43 Buttons 44 Home screens 45 Status icons 46 Operation 56.1 Setpoint ..................................................................................... 56.1.1 To set the setpoint ...................................................... 56.2 Operation mode......................................................................... 56.2.1 About the operation modes......................................... 56.2.2 To set the operation mode .......................................... 66.3 Airflow........................................................................................ 66.3.1 Airflow direction........................................................... 66.3.2 Fan speed ................................................................... 76.4 Ventilation.................................................................................. 76.4.1 Ventilation mode ......................................................... 76.4.2 Ventilation rate ............................................................ 86.5 Advanced operation .................................................................. 86.5.1 To make a Bluetooth connection ................................ 87 Maintenance and service 87.1 Overview: Maintenance............................................................. 8For the installer 98 About the box 98.1 To unpack the controller............................................................ 99 Preparation 99.1 Wiring requirements .................................................................. 99.1.1 To prepare the wiring for installation........................... 910 Installation 910.1 Overview: Installation ................................................................ 910.2 Mounting the controller.............................................................. 910.2.1 About mounting the controller ..................................... 910.2.2 To mount the controller ............................................... 910.3 Connecting the electrical wiring................................................. 1010.3.1 Precautions when connecting electrical wiring ........... 1010.3.2 To connect the electrical wiring................................... 1010.4 Closing the controller................................................................. 1010.4.1 Precautions when closing the controller ..................... 1010.4.2 To close the controller................................................. 1010.5 Opening the controller ............................................................... 1110.5.1 Precautions when opening the controller.................... 1110.5.2 To open the controller ................................................. 1111 Starting up the system 1111.1 Master and slave controller ....................................................... 1111.2 To designate a controller as slave............................................. 1112 Operation 1112.1 Buttons ...................................................................................... 1112.2 Screen ....................................................................................... 1212.3 Status indicator.......................................................................... 1212.4 Information ................................................................................ 1212.4.1 Information screen ....................................................... 1212.4.2 Information menu ......................................................... 1313 Configuration 1313.1 Installer menu............................................................................. 1313.1.1 About the installer menu .............................................. 1313.1.2 Screen settings ............................................................ 1313.1.3 Status indicator settings............................................... 1413.1.4 Field settings................................................................ 1413.1.5 Miscellaneous settings................................................. 1913.2 Remote controller software update ............................................ 2613.2.1 To update the software with Updater ........................... 2614 Maintenance 2614.1 Maintenance safety precautions................................................. 2614.2 About maintenance .................................................................... 2614.3 To remove a warning screen...................................................... 2614.4 To clean the controller................................................................ 2615 Troubleshooting 2615.1 Error codes of the indoor unit ..................................................... 2616 Technical data 2716.1 Connection diagram ................................................................... 2716.1.1 Typical layout ............................................................... 2716.1.2 Typical layout for group control.................................... 2716.1.3 Controller + DIII central control equipment .................. 281 General safety precautionsPlease read these general safety precautions carefully beforeinstalling air conditioning equipment, and be sure to install theequipment correctly.Failure to follow these instructions properly may result in propertydamage or personal injury, which may be serious depending on thecircumstances.Meaning of warnings and symbolsThese safety messages are used to attract your attention. Themeaning of each safety message is described below:WARNINGIndicates a situation that could result in death or seriousinjury.CAUTIONIndicates a situation that could result in minor or moderateinjury.DANGERIndicates a situation that results in death or serious injury.DANGER: RISK OF EXPLOSIONIndicates a situation that could result in explosion.INFORMATIONIndicates useful tips or additional information.NOTICEIndicates a situation that could result in equipment orproperty damage.1.1 For the userINFORMATIONAlso see the operation manual delivered with the outdoorand indoor unit.