50M56U-843 UNIVERSAL INTEGRATED HSI FURNACE CONTROL KIT Replaces Virtually All White-Rodgers and Competitive Single Stage Carbide and Nitride HSI Systems with 80V or 120V Ignitors. Replaces More Models than Honeywell S9200U1000 FEATURES • 3 Fan Speeds – cool, low heat & high heat speeds. • Universal HotRod nitride ignitor kit – 21D64-2. • 9 quick-select/quick-connect wiring harnesses. • Red LED diagnostic flash codes with stored fault recall. • Low voltage fuse protection, 3A replaceable automotive type. • Humidifier & Electronic Air Cleaner connections (optional). SPECIFICATIONS Electrical Rating: Input Voltage . . . . . . . . . . . . . . . . . . . . 25 VAC 50/60 Hz Max. Input Current . . . . . . . . . . . . . . . . 25 VAC: 0.45 amp Gas Valve Relays . . . . . . . . . . . . . . . . 1.5 amp @ 25 VAC 50/60 Hz Inducer Relay . . . . . . . . . . . . . . . . . . . 2.2 FLA–3.5 LRA @ 120 VAC Circulator Relay . . . . . . . . . . . . . . . . . . 14.5 FLA–25.0 LRA @ 120 VAC Ignitor Relay . . . . . . . . . . . . . . . . . . . . 6.0 amp @ 120 VAC 50/60 Hz (resistive) Flame Current Requirements: Minimum current to insure flame detection 1 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 . . . . . . -40° to 176°F (-40° to 80°C) Flame Failure Response Time . . . . . . 2.0 sec PARTS AND ACCESSORIES See end of this section for parts and accessories TECHNICAL HELP Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . See pages 190–192 UNIVERSAL REPLACEMENT INTEGRATED HSI FURNACE CONTROL Model Number Pre-Purge Ignitor Warm-Up Retries Heat Delay to Fan ON Heat Delay to Fan OFF Cool Delay to Fan ON Cool Delay to Fan OFF Automatic Reset Time 50M56U-843 30 17 2 30 100/150 6 45 60 minutes PAGES ? 190–192 50M56U-843 Includes: • Module • Wiring Harness • HotRod Ignitor Kit Consult online Cross Reference for other suggested replacements for this item.

Cross Reference