- The 50M56U-843 Control are Used to Determine the Length of the Heat Delay-to-Fan-Off Period, the Mode of Operation and the Second Stage Delay Period
- 3-Fan Speed Cool, Low Heat and High Heat Speed
- 9 Quick Select/Quick Connect Wiring Harness
- Red LED Diagnostic Flash Code with Stored Fault Recall
- Low Voltage Fuse Protection, Humidifier and Electronic Air Cleaner Connection