Daikin BRC1D52 User Manual

The Daikin BRC1D52 is a 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, and airflow direction settings, a weekly timer function, and energy-saving modes. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: LCD Display, Control Buttons, Wired Connection Terminal, Mounting Bracket.

Installation

Unpack and inspect contents. Ensure compatibility with your Daikin indoor unit.

1. Turn off power: Switch off the circuit breaker for the air conditioning system.
2. Mount the bracket: Secure the mounting bracket to the wall using screws.
3. Connect the cable: Route the control cable from the indoor unit to the controller location. Connect wires to the terminal block as per the wiring diagram.
4. Attach the controller: Snap the controller onto the mounted bracket.
5. Restore power: Turn the circuit breaker back on.

WARNING! Installation must be performed by a qualified technician. Incorrect wiring can cause malfunction or damage.

First-Time Setup

After installation and power restoration, configure initial settings.

1. Power on: The controller display will illuminate.
2. Set clock: Navigate to the clock setting in the menu and set the current time and day.
3. Configure temperature unit: Select °C or °F in the settings menu.
4. Test operation: Select a mode (e.g., Cool) and set a temperature to verify communication with the indoor unit.
5. Program weekly timer (optional): Set your preferred daily schedules.

CAUTION! Do not use excessive force when pressing buttons or attaching the controller to the bracket.

Specifications

• Model: BRC1D52 (Wired Remote Controller).
• Power Supply: Powered through the indoor unit (24V AC).
• Display: LCD with backlight.
• Temperature Setting Range: Cooling: 18°C - 32°C (64°F - 90°F). Heating: 10°C - 30°C (50°F - 86°F).
• Control Functions: Mode, Temperature, Fan Speed, Airflow Direction, Timer, Econo Mode, Filter Sign Reset.
• Compatible Systems: Designed for specific Daikin split and multi-split system indoor units.
• Operating Environment: 0°C to 50°C (32°F to 122°F), ≤85% RH.
• Connection: 2-wire or 3-wire connection depending on system.

Controls and Settings

Access functions via direct buttons or by entering the setting menu.

Main Buttons: ON/OFF, MODE, TEMP ▲/▼, FAN, SWING (AIRFLOW DIRECTION), TIMER.

Setting Menu: Press and hold the TIMER button for 3 seconds to enter. Use TEMP buttons to navigate.
Menu Options: Clock Set, Temperature Unit, Filter Sign Reset, Child Lock, Beep Sound, Backlight Duration, System Test.

Operation Modes: Auto (A), Cool (❄), Dry (💧), Heat (☀), Fan (🌀).

Fan Speeds: Auto (A), Low (1), Medium (2), High (3), Quiet (Q).

Connecting to AC Unit

This is a wired controller. Connection is made during physical installation.

1. Verify indoor unit compatibility (refer to indoor unit manual).
2. Locate the remote controller terminal block on the indoor unit's PCB.
3. Connect the control cable wires to the designated terminals (e.g., 1 and 2 for 2-wire systems). Ensure connections are tight.
4. Connect the other end to the BRC1D52 terminal block, matching the polarity/wire configuration.

Tip: Always follow the specific wiring diagram provided with your indoor unit. Using incorrect terminals can damage the controller or PCB.

Operating Modes

Select the mode suitable for your comfort needs.

1. Press the MODE button to cycle through: Auto → Cool → Dry → Heat → Fan → Auto.
2. In Auto Mode, the unit automatically selects cooling or heating based on room temperature.
3. In Cool/Dry/Heat Mode, set your desired temperature using the TEMP buttons.
4. In Fan Mode, only the fan operates; no temperature control is active.
5. Adjust fan speed and airflow direction independently in any mode (except some restrictions in Dry mode).
6. Press the ECONO button to activate energy-saving operation (adjusts set temperature slightly for efficiency).

WARNING! Do not use the Heat mode if the outdoor temperature is very low unless the system is designed for low-ambient operation.

Timer Functions

Program the unit to turn On and Off automatically.

One-Time Timer: 1. With the unit OFF, press TIMER. Set the desired ON time using TEMP buttons. 2. With the unit ON, press TIMER. Set the desired OFF time.
Weekly Timer: 1. Enter the setting menu (press & hold TIMER). 2. Navigate to 'Weekly Timer' and press MODE to enter. 3. Program different On/Off times for each day of the week. 4. Enable the weekly timer schedule.

Press TIMER again to cancel a set timer. The timer icon (🕐) will appear on the display when active.

Care & Cleaning

Turn off power before cleaning. Use a soft, dry cloth to wipe the display and surface. For stubborn dirt, dampen the cloth slightly with water. Do not use benzene, thinner, or abrasive cleaners.

CAUTION! Never spray water or cleaner directly onto the controller. Avoid excessive moisture.

Regulatory Information

This device complies with relevant electromagnetic compatibility (EMC) and safety standards. The Daikin logo and BRC1D52 are trademarks of Daikin Industries, Ltd. This product incorporates components protected by patents. For technical support or service, contact an authorized Daikin dealer or visit the official Daikin website.

Troubleshooting

Reset: To reset all settings to factory default, turn off the circuit breaker for 1 minute, then restore power. (Note: This may also reset the indoor unit).

Service: For issues not resolved above, contact a qualified Daikin service technician. Do not attempt to disassemble the controller.