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My Cart (0)White-Rodgers 21V51U-843 Universal Two-Stage HSI Circulator Furnace Control Kit With Nitride Ignitor
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| SKU: | 21V51U-843 |
White-Rodgers Universal Two-Stage HSI Circ. Furnace Control Kit. Includes Universal Nitride Ignitor Kit - 21D64-2. Variable Speed (ECM). Replaces All White-Rodgers 50V51-XXX's & 50V61-XXX's Two-Stage HSI Systems with 80V or 120V Ignitors.
Easy-To-Install Kit includes everything needed for a quick and accurate replacement:
• Ignition Control Module
• Quick -Select/Quick-Connect Wiring Harnesses.
• Universal Nitride Ignitor Kit - 21D64-2
• Installation Instructions and OEM Cross-Reference.
Features:
•16-pin variable speed circulator output for ECM (Electronically Commutated Motor),
dipswitch selectable for OEM applications two-speed inducer output, 2-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).
• 120 VAC humidifier output/120 VAC electronic air cleaner output.
Electrical Rating:
Input Voltage . . . . . . . . . . . . . . . . . . . . 24 VAC, 60 Hz (Class II transformer required)
Nom. Input Current @ 24 VAC . . . . . . 595 mA + MV
Relay Load Ratings:
Gas Valve Relays . . . . . . . . . . . . . . . . 1.5 amps @ 24 VAC, 60 Hz
Inducer Relays . . . . . . . . . . . . . . . . . . 2.2 FLA - 3.5 LRA @ 120 VAC
Humidifier Load . . . . . . . . . . . . . . . . . . 1.0 amp max. @ 120 VAC
Electronic Air Cleaner Load . . . . . . . . . 1.0 amp max. @ 120 VAC
Ignitor Relay . . . . . . . . . . . . . . . . . . . . 4.0 amps max. @ 132 VAC, 60 Hz
Flame Current Requirements:
Minimum current to insure flame detection 0.3 µa DC*
Maximum current for non-detection . . . 0.1 µa DC*
Maximum allowable leakage resistance 100 M ohms
*Measured with a DC microameter in the flame probe lead
Operating Temperature Range . . . . . . -40o to 175o
F (-40 to 80o
C)
Humidity Range . . . . . . . . . . . . . . . . . . 5% to 93% relative humidity (non-condensing)
Flame Failure Response Time . . . . . . 2.0 sec. max. @ 60Hz
Stock shown on hand can change at anytime without notice or may already be spoken for. Please inquire by phone to confirm precise amounts available at that time.
| Alberta | |
| Edmonton (DC): | 1 |
| Edmonton (South): | 2 |
| Calgary: | 2 |
| British Columbia | |
| Richmond: | 0 |
| Surrey: | 0 |
| Manitoba | |
| Winnipeg: | 0 |
| Saskatchewan | |
| Saskatoon: | 0 |
| Ontario | |
| Hamilton: | 0 |
| London: | 0 |
| Mississauga: | 1 |
| Scarborough: | 0 |
| Windsor: | 0 |
These are estimated number of days using averages of past orders for inventory arriving to each branch location and are not guaranteed.
If you need to verify manufacturer stock please email customercare@amresupply.com or call us at 1-800-661-9891.
| Amre Branch | # of Days |
|---|---|
| Calgary: | 17 |
| Edmonton Downtown: | 19 |
| Edmonton South: | 16 |
| Hamilton: | 16 |
| London: | 14 |
| Mississauga: | 16 |
| Richmond: | 19 |
| Saskatoon: | 16 |
| Scarborough: | 13 |
| Surrey: | 17 |
| Windsor: | 13 |
| Winnipeg: | 16 |
Product Specifications
| 8" W x 5.25" H x 1.25"D | |
| Input 18 to 30 VAC, 24 VAC nominal | |
| 120 VAC | |
| 4.0 A Max. @ 132 VAC |
Product Downloads
Installation Instructions
Product Specifications
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