Input

• Voltage: 18-30 VAC
• Frequency: 50-60 Hz
• Power Consumption: 1 watt maximum

Output

• O, W2:
  • Type: Relay
  • Form: DPST, normally open
  • Rating: 2 amps @ 30 VAC

• DF1, DF2:
  • Type: Relay
  • Form: SPST, normally closed
  • Rating: 1/2 HP @ 240 VAC

• T2:
  • Type: Triac
  • Rating: 1 amp @ 30 VAC

Time Delays

• Defrost: Fixed at 10 minutes (+/- 5%)
• Interval Between Defrost: Pin selectable (30/60/90 minutes)
• ASC Time: Fixed at 5 minutes (+/- 5%)
• Test Time: Short across test terminals (DFT TST) to reduce time by 256x
• ASC Test Time: Short across test terminals (ASC TST) eliminates anti-short cycle time

Weight/Dimensions

• Weight: 0.1 lb.
• Height: 1″
• Width: 3.5″
• Length: 2.875″

Nordyne: 621301A, 621579B, 621579C, 917178

ICM Controls: DFORB-AB1004

Recommended Alternative: No suggested alternative