White-Rodgers 47D01U-843|WR47D01U-843 - Universal Replacement Defrost Control Fo

Universal Single Stage Heat Pump Defrost Control For PSC Fan Heat Pump Systems. Compatible With “O” Or “B” Reversing Valves. Configurable For Demand, Or Time/Temp Defrost Routines. 8x8 LED Matrix Display For Configuring Menu Options and Advanced Diagnostics. Quick OEM Setup Menu, 24V Brownout Protection, High And Low Pressure Switch Inputs, Random Start Delay, Low Temp Compressor Cutout, Aux Heat Lockout, Programmable Short Cycle Delays, Reversing Valve Shift Delays. Replaces 200+ Controls