The Carrier CES0110063-02 Defrost Control Printed Circuit Board is a replacement 18–30 VAC defrost timer/control module for Carrier Bryant heat pumps, also cataloged as 1050-83-5A. It governs a 10-minute fixed defrost cycle and drives the outdoor fan relay (1/2 HP) at 240 VAC, enabling reliable defrost operation in outdoor coils. The unit provides pin-selectable defrost intervals of 30, 60, or 90 minutes and is listed as replacing CES0110063-00, -01, -02, -02A, and CES0130024-01 in Carrier/ICM configurations, ensuring compatibility with legacy and current control schemes.
