Description
Upgrade your heat pump’s efficiency and reliability with the OEM Lennox 620244‑02 Demand Defrost Control Board. Designed for precision and durability, this comprehensive control unit ensures seamless defrost management and system protection.
Overview:
Control has the combined function of a demand defrost control, defrost relay, anti-short cycle timed-off control, pressure switch/system control lockout circuit (5-strike), manufacturing test mode, and field connection terminal strip. Inputs will include thermostat commands, coil and ambient sensors, and pressure/system controls. Control has selectable feature to turn off compressor for 30 seconds at beginning and ending of defrost cycle. Shipped with jumper installed on delay position.
