FURNACE CONTROL KIT UNIV 2 STAGE PSC
Part Number:
21M51U843
Brand:
White-Rodgers
White-Rodgers 21M51U-843 Universal Hot Surface Ignition Control, 25 VAC, 530 mA
White-Rodgers Hot Surface Ignition Control, Universal, Accessory Type: Hot Surface Ignition Control, 15-1/2 in Lead Length, 15-1/2 in Probe Length, 25 VAC, 530 mA, 1/4 in Spade Terminal and Molex Plug Electrical Connections, Liquid Propane/Natural Gas Gas, 17 s Igniter Warm-Up, 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
Standards/Approvals: CSA Certified
Includes: 21D64-2 Silicon Nitride Igniter Upgrade Kit
Includes: 21D64-2 Silicon Nitride Igniter Upgrade Kit
.png)
.png)
