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White Rodgers 47D01U-843 Universal Heat Pump Defrost Control
White Rodgers 47D01U-843 Universal Heat Pump Defrost Control


 
Our Price: $93.91

Stock Status:In Stock

Availability: Usually Ships in 1 to 2 Business Days
Product Code: 47D01U-843
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Description Technical Specs Extended Information
 
The latest in outdoor electronic innovations from White-Rodgers is a universal upgrade for single stage heat pump systems with a PSC fan motor. Select from pre-configured demand or timed defrost routines or configure to replicate virtually any set up.

Full Service Kit Includes:
  • 47D01U-843 Universal defrost control with plastic mounting tray
  • Thermostat harnesses: one harness with spade terminals and an optional harness with stripped leads are provided to simplify thermostat connections
  • Harness #2: used to connect reversing valve, contactor, low and high pressure switches
  • New Thermistors: used to measure coil temperature and air temperature – best practice to replace these when installing a new defrost control.
  • Bag of accessories: 2 mounting screws, wire ties, wire nuts and labels
Features

  • Universal

    • Selectable Demand or Timed Defrost
    • O or B Reversing Valve with Shift Delay
    • Configures to any system

    Easy Installation and Set Up

    • Universal mounting with rotating display
    • One-Button Configuration to Any OEM System
    • Includes outdoor sensors
    • Test button for system verification

    Versatile Matrix Display

    • Access set up and diagnostic menus from any orientation

    System Protection and Diagnostics

    • Brownout and short-cycle protection plus hi/low pressure inputs
    • Fault recall

    Auxiliary Heat Lockout

    • Above the selected temperature, auxiliary heat will only run during defrost operation.
    • Selectable from from 0° to 40°F or off*.
    Compressor Lockout
    • Below the selected temperature the compressor does not operate, except in defrost cycle.
    • Selectable from -10°F to 45°F or off*.
    Reversing Valve Shift Delay
    • Limit excessive noise in and out of a defrost cycle.
    • Selectable 0, 12 or 30* second delay.
    Short-Cycle Protection
    • 0, 3 or 5* minute selectable delay between cycles to extend the life of the compressor.
    Brownout Protection
    • Auto shut off when control voltage drops below 16 VAC for more than 4 seconds. Selectable on* or off.

    Random Start Delay

    • Delays operation for random delay after power outage to protect the compressor and avoid brownouts.
    • Selectable on* or off.
    Timing Specifications
    • All timing is accurate to +/- 5% of nominal over the full temperature and voltage range at 60 Hz.
    • All timings are 20% longer when operated with 50 Hz power supply.

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