Source 1 Product Catalog 2017 Page 77 Air Conditioning & Heating Controls

77 Gas Heating Controls IGNITION MODULES & INTEGRATED FURNACE CONTROLS 21M51U-843 for 3-Speed PSC Motors Multi-Stage Carbide and Nitride HSI Systems SOURCE 1 PART NO. DESCRIPTION MLP $ S1-21M51U-843 MULTI STAGE CARBIDE AND NITRIDE HSI SYSTEMS, 5.25 W X 8 H X 1.25 D 477.96 Replaces: White-Rodgers 50M51-242 and all 50M61-XXX's Two Stage HSI Systems With 80V Or 120V Igniter. Includes: Ignition Control Module Universal 120 V Nitride Ignitor Kit - 21D64-2 Installation Instructions And OEM Cross-Reference Features: 120 VAC Igniter Output; Two-Speed Inducer Output 120 VAC Humidier Output; Electronic Air Cleaner Output 120 Vac 3-Speed PSC Circulator Output 2-Stage Gas Valve Output Fuse Protection-3 Amp Furnace Status LED - Tri-Color (G, R, Amber) Heat Fan OFF Delay (Dipswitch Selectable) Fan ON Delay for Cooling Auto Second Stage Delay (Dipswitch Selectable Mode) Historical Fault Retrival by pushbutton YLO, Y, W1, W2, R, G, C, TWIN Terminals Pressure Switch Inputs and Monitoring Flash Microprocessor with Non-volatile Memory Flame CurrentMeasurement Points Gases Approved: Natural, Manufactured, Mixed, LP and LP/Air Mixtures Specications: Electrical Ratings [@77F (25C)] Input Voltage: 24 VAC, 60 Hz (Class II transformer reqd) Nom. Input Current @ 24 VAC: 530mA +MV Relay Load Ratings: Gas Valve Relays: 1.5 amps @ 24 vac, 60 Hz Inducer Relays: 2.2 FLA - 3.5 LRA @ 120 VAC Circulator Relays: 14.5 FLA - 250.0 LRA @ 120 VAC Humidier 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 Min current to insure ame detection: 0.3 a DC* Max current for non-detection: 0.1 a DC* Max allowable leakage resistance: 100 M ohms *Measured w/ DC Microammeter in the ame probe lead Operating Temperature: -40 to 175F (-40 to 80C) Humidity: 5% to 93% relative humidity (non- condensing) Timing Specs: (@ 60 Hz): Flame Failure Response Time: 2.0 Sec Max 21V51U-843 for Variable Speed Motors SOURCE 1 PART NO. DESCRIPTION MLP $ S1-21V51U-843 MULTI STAGE CARBIDE AND NITRIDE HSI SYSTEMS, 5.25 W X 8 H X 1.25 D 477.96 Replaces: White-Rodgers 50V51-XXX and all 50V61-XXXX's Two Stage Hsi Systems With 80V Or 120V Igniter. Includes: Ignition Control Module Wiring Harnesses for Amana/Goodman Universal 120 V Nitride Ignitor Kit - 21D64-2 Installation Instructions And Oem Cross-Reference Features: 120 VAC Igniter Output; Two-Speed Inducer Output 120 VAC Humidier Output; Electronic Air Cleaner Output 120 Vac 3-Speed PSC Circulator Output 2-Stage Gas Valve Output 16-Pin Variable Speed Circulator Output OEM Application - Dipswitch Selectable Fuse Protection-3 Amp Furnace Status LED - Tri-Color (G, R, Amber) CFM LED - (Green) Heat Fan OFF Delay (Dipswitch Selectable) Fan ON Delay for Cooling Auto Second Stage Delay (Dipswitch Selectable Mode) Historical Fault Retrival by Push button YLO, Y, W1, W2, R, G, C, BK/DS/Dehum Terminals Pressure Switch Inputs and Monitoring Flash Microprocessor with Non-Volatile Memory Flame CurrentMeasurement Points Specications: Electrical Ratings [@77F (25C)] Input Voltage: 24 VAC, 60 Hz (Class II transformer reqd) 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 Humidier 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 Min current to insure ame detection: 0.3 a DC* Max current for non-detection: 0.1 a DC* Max allowable leakage resistance: 100 M ohms *Measured w/ DC Microammeter in the ame probe lead Operating Temperature: -40 to 175F (-40 to 80C) Humidity: 5% to 93% relative humidity (non-condensing) Timing Specs: (@ 60 Hz): Flame Failure Response Time: 2.0 Sec Max Gases Approved: Natural, Manufactured, Mixed, LP and LP/Air Mixtures

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