White-Rodgers™ 21M51U-843

White-Rodgers™ 21M51U-843 Universal Hot Surface Ignition Control, 15-1/2 in Lead, 15-1/2 in Probe, 25 VAC, 530 mA

Manufacturer: Copeland
Brand: White-Rodgers™
Part #: 249107
MPN: 21M51U-843
CPN:
Min. Order Qty: 1
Qty Order Interval: 1
Amperage Rating      :      530 mA
Depth      :      25 VAC Voltage Rating
Domestic/Import      :      Import
Electrical Connection      :      1/4 in Spade Terminal and Molex Plug
Gas Type      :      Natural Gas/Liquid Propane
Height      :      8 in
Igniter Warm-Up Time      :      17 sec
Includes      :      21D64-2 Silicon Nitride Igniter Upgrade Kit
Lead Length      :      15-1/2 in
Probe Length      :      15-1/2 in
Type      :      Universal
Voltage Rating      :      25 VAC
Width      :      5-1/4 in

White-Rodgers™ Hot Surface Ignition Control, Universal, 15-1/2 in Lead Length, 15-1/2 in Probe Length, 25 VAC, 530 mA, 1/4 in Spade Terminal and Molex Plug, Natural Gas/Liquid Propane, 17 sec Igniter Warm-Up Time, 5-1/4 in Width, 1-1/4 in Depth, 8 in Height, Import

  • 120 VAC 3 speed PSC circulator output, two-speed inducer output, two stage gas valve output
  • Pushbutton fault history retrieval
  • Furnace status LED - tri-color (green, red and amber)
  • Heat fan off delay (dipswitch selectable), fan on delay for cooling
  • Auto second stage delay (dipswitch selectable)
  • -40 to 175 deg F
  • 2-stage gas valve output
  • 3 A fuse protection
  • Pressure switch inputs and monitoring
  • Flash microprocessor with non-volatile memory
  • Flame current measurement points
  • 1.5 A valve relay
  • 2.2 FLA to 3.5 LRA inducer relay
  • 14.5 FLA to 25 LRA circulator relay
  • 1 a max at 120 VAC humidity
  • 1 a max at 120 VAC electronic air cleaning
  • 4 a max at 132 VAC ignitor relay
  • 0.3 uA DC max current for flame detection
  • 0.1 uA DC min current for flame detection
  • 100 M ohm leakage resistance, 3 speed PSC blower motor systems
  • Two stage hot surface ignition control
  • Catalog https://7600cgpb-stage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/White_Rodgers_21M51U-843_Catalog.pdf

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