Daikin BRP11B61 Fresh Air Fan Interlock Adapter PCB

Daikin BRP11B61 Fresh Air Fan Interlock Adapter PCB

Overview
The BRP11B61 is an indoor unit accessory by Daikin, providing a “Fresh Air Fan Interlock” function. When the indoor unit’s fan or compressor is running, this adapter outputs an operation status signal. This signal can be used to synchronize an external fresh air fan or auxiliary ventilation equipment, improving ventilation performance and indoor air quality.

Key Features

• Outputs fan/compressor running status signal to trigger auxiliary ventilation devices

• Simple PCB adapter interface installed in the indoor unit’s control circuit

• Compatible with various Daikin FHA / VRV / Multi system indoor units

• Enhances ventilation control, contributing to energy saving and better air quality

• Built to Daikin’s accessory standard for reliability

Application Scenarios

• Commercial / Public buildings: automatic operation of fresh air fan when AC is running

• Office spaces: ventilation system synchronized with indoor cooling/heating

• Schools / Hospitals: maintain indoor air quality in sync with AC usage

Installation Requirements

• Mounting: Installed near the indoor unit’s control PCB where wiring access is available

• Wiring: Connect the output signal of BRP11B61 to the fresh air fan or ventilation equipment’s control input

• Follow Daikin manual and local electrical code for power and signal wiring

Specifications

• Model: BRP11B61

• Type: Indoor Unit Accessory

• Function: Outputs operation status for synchronizing ventilation equipment

• Suitable for: FHA / VRV / Multi system indoor units requiring fresh air interlock