Daikin AC Remote BRC4M150W Manual

The Daikin BRC4M150W is a wall-mounted wired remote controller designed for use with compatible Daikin air conditioning systems. It features a clear LCD display, intuitive button controls for operation mode, temperature, fan speed, airflow direction, and timer settings. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting to AC Unit 7. Operating the AC 8. Advanced Functions 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display with backlight, Operation Mode buttons, Temperature controls, Fan Speed selector, Airflow Direction adjustment, Timer settings, and System ON/OFF.

FeatureDescription
LCD DisplayShows current mode, temperature, fan speed, timer, and settings
Operation ModeSelect Auto, Cool, Dry, Fan, or Heat (if supported)
Temperature ControlAdjust set temperature in 1°C/1°F increments
Fan SpeedAuto, Low, Medium, High, and Quiet modes
Airflow DirectionAdjust vertical (louvers) and horizontal (swing) airflow
TimerSet On/Off timers for energy saving
Power ButtonTurns the connected AC system ON/OFF
Reset ButtonResets settings to default (located behind cover)
Wired ConnectionConnects to indoor unit via communication cable
BacklightIlluminates display for easy viewing in low light

Installation

Unpack and inspect contents. Mount on indoor wall near AC indoor unit.

  1. Turn off power: Switch off circuit breaker for AC system.
  2. Choose location: Mount on wall at recommended height (approx. 1.5m from floor), away from direct sunlight or heat sources.
  3. Connect wiring: Remove cover, connect communication cable to terminals as per wiring diagram (refer to AC unit manual).
  4. Mount remote: Secure to wall using provided screws and anchors.
  5. Restore power and test.

WARNING! Installation must be performed by a qualified technician. Ensure power is off before wiring.

First-Time Setup

After installation, power on the system and configure basic settings.

  1. Power on: Turn on circuit breaker; remote display should light up.
  2. Set language: Press and hold MODE and FAN buttons for 3 seconds to access settings; select language.
  3. Set temperature unit: Choose between °C or °F in settings menu.
  4. Pair with indoor unit: Follow auto-pairing procedure if required (refer to AC manual).
  5. Test functions: Verify all operation modes and buttons respond correctly.

CAUTION! Do not force buttons; refer to manual if display shows error codes.

Specifications

Controls and Settings

Access settings via button combinations or menu. Front Panel: ON/OFF, MODE, TEMP ▲/▼, FAN, AIRFLOW DIRECTION, TIMER.

Button Functions: ON/OFF - System power; MODE - Cycle through Auto, Cool, Dry, Fan, Heat; TEMP ▲/▼ - Adjust set temperature; FAN - Select fan speed; AIRFLOW - Adjust louver direction/swing; TIMER - Set On/Off timer.

Advanced Settings (press MODE + FAN for 3 seconds): Language, Temperature unit, Backlight duration, Beep sound, Filter reset indicator, System test.

Connecting to AC Unit

Wired connection via communication cable (2-wire).

  1. Ensure AC indoor unit power is OFF.
  2. Remove remote cover to access terminal block.
  3. Connect wires to terminals 1 and 2 as per wiring diagram (polarity may be important).
  4. Secure wires and replace cover.
  5. Power on indoor unit; remote should display current status.

Tip: Use shielded cable for communication to prevent interference. Max cable length as specified in AC manual.

Operating the AC

Basic daily operation steps.

  1. Turn on: Press ON/OFF button; display lights up.
  2. Select mode: Press MODE to choose Auto, Cool, Dry, Fan, or Heat.
  3. Set temperature: Use TEMP ▲/▼ to desired comfort level.
  4. Adjust fan speed: Press FAN to cycle through Auto, Low, Medium, High, Quiet.
  5. Set airflow direction: Press AIRFLOW to adjust vertical louvers; hold for swing function.
  6. Set timer: Press TIMER to program automatic On/Off (follow on-screen prompts).
  7. Turn off: Press ON/OFF to shut down system.

WARNING! Do not set temperature too low in Cool mode to avoid excessive energy use or compressor strain.

Advanced Functions

Energy Saving Mode: Press and hold FAN for 3 seconds to activate. Quiet Mode: Select via FAN button for reduced noise. Filter Reset: Press and hold AIRFLOW + TIMER for 5 seconds to reset filter maintenance indicator. System Test: Access via advanced settings to run diagnostic.

Care & Cleaning

Turn off power before cleaning. Use soft, dry cloth to wipe display and buttons. Do not use liquids, sprays, or abrasive cleaners.

CAUTION! Do not disassemble remote. Keep away from water and excessive dust.

Regulatory Information

Complies with relevant electrical safety standards (e.g., IEC, UL). This device should not be disposed of with household waste; recycle according to local regulations. Copyright © Daikin Industries, Ltd. For support, visit www.daikin.com or contact authorized Daikin service center.

Troubleshooting

SymptomPossible CauseCorrective Action
No displayPower off / wiringCheck circuit breaker; verify wiring connections; ensure indoor unit is powered.
Buttons not respondingLock function / errorCheck if button lock is on (press and hold ON/OFF for 5 sec); restart system.
AC not turning onRemote communicationVerify wiring; check for error codes on indoor unit; reset system.
Incorrect temperatureSensor / settingsEnsure remote not exposed to direct heat; recalibrate if possible.
Error code on displaySystem faultNote error code; refer to AC unit manual; contact service if needed.

Reset: Press small reset button behind cover with pin (restores defaults).

Service: Contact authorized Daikin service center; www.daikin.com.

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