Labels like BN (Brown), BU (Blue), or G/Y (Green/Yellow) to identify physical wiring.
Wiring the indoor and outdoor units to the power grid.
The phrase is a transliterated shorthand for "эл. схема подключения" (el. shema podkljucheniya), which translates from Russian/Ukrainian to "electrical connection diagram." jel shema podkljuchenija
Connecting the motor, pressure switch, and capacitor.
Standard icons for capacitors, relays, motors, and fuses. Labels like BN (Brown), BU (Blue), or G/Y
Wires connecting a remote control or a secondary unit.
This is not a specific software "feature" but rather a technical request often used in automotive, HVAC, and industrial forums to find wiring instructions for specific devices. Common examples include: Labels like BN (Brown)
Terminals for Phase (Line), Neutral, and Ground.