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The 50M56U-843 kit is a universal single stage HSI integrated furnace control that employs a microprocessor to continually monitor, analyze, and control the proper operation of the gas burner, inducer, and fan.

The 50A55-843 universal silicon carbide integrated ignition module employs a microprocessor which continually monitors, analyzes and controls the proper operation of the gas burner, inducer and fan. this one module will replace most of the 50A5X-XXX integrated ignition carbide modules that have been manufactured by white Rodgers for most OEM applications. the universal module includes an extensive cross reference, additional jumper wires, additional wiring harness and a jumper for Trane applications. the module also has terminals for powering a humidifier and electronic air cleaner.

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 8×8 LED matrix human interface to display status and fault codes for ease of set up and service.

The 50A55-743 is an automatic gas interrupted ignition control that employs a microprocessor to continually monitor, analyze, and control the proper operation of the gas burner, inducer, and fan. signals interpreted during continual surveillance of the thermostat and flame sensing element initiate automatic ignition of the burner, sensing of the flame, and system shutoff during normal operation. these controls incorporate system fault analysis for quick gas flow shutoff , coupled with automatic ignition retry upon sensing a fault correction. it is designed as a replacement for the following controls.

The 50V51-843 is a two stage automatic gas interrupted ignition control employing a microprocessor to continually monitor, analyze, and control the proper operation of the gas burner and inducer. the 50V51-843 provides signals for proper operation of a variable fan speed circulator blower signals interpreted during continual surveillance of the two stage thermostat and flame sensing element initiate automatic ignition of the burner, sensing of the flame, and system shutoff during normal operation. the control incorporates system fault analysis for quick gas flow shutoff coupled with automatic ignition retry upon sensing a fault correction.