Daikin Manual User BRC1C51 61 | PDF | Air Conditioning - Scribd
Check the main power supply to the indoor unit, and verify that the transformer on the indoor unit PCB is functioning.
: Always shut off the power supply before beginning any installation work to avoid electric shock. Physical Installation Steps
Precision flat-head screwdriver (for terminal blocks and housing clip release). Phillips head screwdriver (for mounting plate screws). Wire strippers and crimping tool.
The Daikin BRC1C51/61 can be flush-mounted into a standard electrical switch box or mounted directly to a flat wall surface. Step-by-Step Mounting
Determine your wiring trajectory. For rear-entry wiring, match the wall conduit with the central access cutout on the lower backplate. For surface-routed top-entry configurations, use a pair of side-cutters to clip away the thin, notched plastic knockout on the upper edge of the controller framing, removing all rough burrs. Step 3: Anchoring the Lower Case
Align the rear case holes with the electrical box screws and tighten.
The BRC1C51/61 uses a simple 2-wire connection to the indoor unit.
Select a flat wall surface to avoid deforming the controller's lower case when tightening screws.
The system will enter Field Setting Mode, and the display will show "Mode No." along with "First Code No." and "Second Code No." Common Field Setting Codes
: If controlling an HRV unit, you may need to set the unit to "VENTILATION" mode via the controller's mode selector.
Installing the Daikin BRC1C51 or BRC1C61 is a straightforward 30-minute job if you respect the wiring and DIP switches. The two models are electrically identical, but always check SW5/SW6 on the '61 for advanced features.
(Main LCD unit with internal thermistor)
Daikin BRC1C51/61 is a legacy wired remote controller primarily used for controlling split system ducted air conditioners and Heat Reclaim Ventilation (HRV) units. It is valued for its straightforward, mechanical-button interface that provides essential climate control without unnecessary complexity. Key Features & Functions Essential Controls
Turn off the indoor unit breaker.