White Rodgers 21V51U-843 - Universal Two-Stage HSI Integrated Variable Speed (ECM) Furnace Control Kit
Brand:
SKU
21V51U-843
Kit Includes:
Ignition Control Module
Wiring Harnesses for Amana/Goodman
Universal 120V Nitride Ignitor Kit - 21D64-2
Installation Instructions and OEM Cross-Reference
Features:
16-pin variable speed circulator output for ECM (Electronically Commutated Motor)
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)
120 VAC igniter output
120 VAC humidifier output
120 VAC electronic air cleaner output
120 VAC two-speed inducer output
2-Stage Gas Valve Output
OEM Application - Dipswitch Selectable
Fuse Protection - 3 Amp
CFM LED - (Green)
YLO, Y, W, W2, R, G, C, O, BK/DS/Dehum Terminals
Pressure Switch Inputs and Monitoring
Flash Microprocessor with Non-Volatile Memory
Flame Current Measurement Points
Ignition Type: Intermittent Hot Surface Pilot
Stages: 2
Operating Temp Range: -40° to 175°F
Humidity Range: 5% to 93% Relative Humidity (Non-Condensing)
Width: 5-1/4"
Height (Inches): 8"
Depth (Inches): 1-1/4"
White Rodgers 21V51U-843 - Universal Two-Stage HSI Integrated Variable Speed (ECM) Furnace Control Kit
Kit Includes:
Ignition Control Module
Wiring Harnesses for Amana/Goodman
Universal 120V Nitride Ignitor Kit - 21D64-2
Installation Instructions and OEM Cross-Reference
Features:
16-pin variable speed circulator output for ECM (Electronically Commutated Motor)
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)
120 VAC igniter output
120 VAC humidifier output
120 VAC electronic air cleaner output
120 VAC two-speed inducer output
2-Stage Gas Valve Output
OEM Application - Dipswitch Selectable
Fuse Protection - 3 Amp
CFM LED - (Green)
YLO, Y, W, W2, R, G, C, O, BK/DS/Dehum Terminals
Pressure Switch Inputs and Monitoring
Flash Microprocessor with Non-Volatile Memory
Flame Current Measurement Points
Ignition Type: Intermittent Hot Surface Pilot
Stages: 2
Operating Temp Range: -40° to 175°F
Humidity Range: 5% to 93% Relative Humidity (Non-Condensing)
Width: 5-1/4"
Height (Inches): 8"
Depth (Inches): 1-1/4"