• Compatible with O or B reversing valves Configurable for demand or time temperature defrost routines Unique 8 x 8 LED matrix display for configuring menu options and advanced diagnostic Quick OEM setup menu, 24 V brownout protection, high and low pressure switch inputs, random start delay, low temp compressor cut-out, aux heat locks our programmable short cycle delays, reversing valves shift delay Replaces 200 plus control All timings is accurate to +/- 5% of nominal over the full temperature and voltage ranges at 60 Hz all timings are 20% longer when operated with 50 Hz power supply Versatile matrix display, access set up and diagnostic menus from any orientation Easy installation and set up universal mounting with rotating display, pre-configured for major OEM brand, integrated outdoor thermostat Compressor protection brown our and short cycle protection plus, hi/low pressure inputs Selectable on or off brownout protection 208 or 240 VAC 50 or 60 Hz line voltage 0.5 hp at 240 VAC, 0.125 hp at 120 VAC outdoor PSC fan 24 VAC contactor coil, aux heat and reversing valves Selectable from 0 - 40 deg F or off auxiliary heat lockout Selectable from -10 to 45 deg F or off compressor lockout Selectable 0, 12 or 30 sec delay reversing valves shift delay 0, 3 or 5 min selectable delay short cycle protection Defrost control board, wiring harnesses, new coil and ambient temp thermostats, mounting accessories and labels

The 47D01U-843 is the industry's first microprocessor-based universal replacement defrost controller intended for single stage heat pump systems. the control is configurable for both demand, and time/temp defrost routines. the 47D01U-843 replaces hundreds of controls while also offering many premium features beneficial to the contractor and homeowner. Improving energy efficiency by upgrading timed defrost units to demand defrost, and adding electric heat lockouts are just a few energy benefits. the 47D01U-843 is equipped with programmable short cycle delays, random start delay, 24V brownout protection, and reversing valve shift delays. the 47D01U-843 utilizes a unique 8x8 LED matrix human interface to display status and fault codes for ease of set up and service.