Choose your product's manual for setup, everyday controls, maintenance, and troubleshooting.

On this page

Serin ControllerThe Wi-Fi controller connected to your indoor unit's CN105 port. Serin LinkPhysical controls for your rooms.

Serin Controller

Set up a new controller or find the task you need in the Serin Controller manual.

Browse the manualSetup, everyday controls, maintenance, troubleshooting and reference. Quick startChoose firmware, install the controller and verify control. Update firmwareInstall a release or manage beta updates. TroubleshootingFind the cause of a connection or control problem.

Serin Link

Start with the quick start for a new Serin Link, or go directly to the task you need.

Quick start Pair your first controller Temperature, modes and airflow Rooms and zones Room temperature sensors Display and control settings Controller Wi-Fi and smart-home pairing Updates and resets Knob and touchscreen gestures Status and diagnostics Troubleshooting DIY build guide

Tools

These run in your browser. The setup and configuration guides link to them when you need them.

• Flash controller firmware: install firmware over USB from a computer.
• Flash Serin Link firmware: install Serin Link firmware over USB.
• ESPHome YAML generator: create a configuration for your indoor unit and optional features.

Get help

Check compatibility, browse the FAQ, or contact support. For shared reference information, read safety, licenses and compliance, and security.