The White Rodgers 47D40-801 Demand Defrost Control is a direct OEM replacement for Rheem part number 47-102684-83, designed to enhance the efficiency and reliability of heat pump systems. This control board utilizes a demand defrost algorithm that detects ice buildup on the outdoor coil and initiates defrost cycles only when necessary, reducing energy consumption compared to time-based defrost controls.Key Features:

• Direct OEM Replacement: Specifically replaces Rheem 47-102684-83 for straightforward compatibility and installation.
• Demand Defrost Algorithm: Uses self-calibrating technology to initiate defrost cycles based on real frost conditions.
• Compact Size: Measures 1.24" H x 3.38" W x 3.63" D, allowing flexible mounting in various system configurations.
• Includes Sensors: Comes with 48" ambient and defrost temperature sensors for accurate monitoring.

Operational Parameters:

• Defrost Lockout Time: 34 minutes
• Maximum Defrost Time: 15 minutes
• Maximum Frosting Time: 6 hours
• Short Cycle Lockout Time: 5 minutes

Electrical Specifications:

• Input Voltage: 24 Vac, 50/60Hz
• Line Voltage: 208/240 Vac
• Motor Compatibility: PSC (Permanent Split Capacitor)

Environmental Ratings:

• Operating Temperature: -40 to 150°F (-40 to 65°C)
• Operating Humidity: 5% to 95% RH (non-condensing)

Mounting: Features metal standoffs for secure and reliable installation.
Note: Does not include high/low pressure switch inputs. Designed for single-stage systems.This control board offers improved efficiency, reduced wear on components, and enhanced comfort. Now available at Beenimax – your dependable source for quality HVAC replacement parts.