Description
The Lennox Y4022 Electric Control Box Assembly is used for electrical elements and offers the structure of connections and allocation of control signals in mini-split and heat pump HVAC systems and is intended to be a control box assembly for GWH09M units to allow system-specific integration. It works by directing electrical inputs via internal terminals, relays and control elements to organise communication among the thermostat, indoor unit and other related elements. It is mounted inside the indoor unit housing, and is attached to wiring harnesses and system controls. Its operation supports with coordinated electrical distribution, communication and regular system operation.
