EMERSON 50M56X-843 Universal Integrated Furnace Controls Instructions
FEATURES
- Reduces inventory by providing maximum control replacement coverage
- Select models include a universal 120V nitride ignitor to allow replacement of 80V and 120V controls
- Diagnostic LED indicators streamline installation and system troubleshooting
- 120V air cleaner output and 120V humidifier output up to 1 Amp max
- Factory standard safety timings and adjustable fan delay options
- Replaceable automotive style fuse
SPECIFICATIONS
- Low Voltage Circuit: 24 VAC, 50/60 Hz
- Line Voltage Circuit: 120 VAC, 50/60 Hz
- Circulator Relay: 14.5 FLA – 25.0 LRA @ 120 VAC
- Circulator Relay: PSC: 14.5 FLA – 25.0 LRA @ 120 VAC
- Circulator Relay: ECMx: 12.0 mA @ 30 VAC
- Operating Temperature Range: -40° to 175°F (-40° to 79°C)
- Humidity Range: 5% to 93% relative humidity (non-condensing)
UNIVERSAL INTEGRATED FURNACE CONTROLS
| FAMILY BRANDS OF EQUIPMENT | STAGES | IGNITION TYPE | IGNITOR VOLTAGE | INDUCER MOTOR / BLOWER MOTOR | BLOWER MOTOR SPEED TAPS | THERMOSTAT INPUTS | INCLUDES IGNITOR OR ELECTRODE | TWINNING | INCLUDES WIRING ACCESSORIES | COMM SYSTEM | CONTROL MOUNTING | MODEL NUMBER | ITEM NUMBER |
| Carrier, Goodman, Lennox, Nordyne, Rheem, Trane, York | Single Stage | HSI | 120 Vac* | PSC / PSC, ECMx | PSC – 2 or 3 speeds ECMx: 2, 3, 4, 5, & 9 speeds | R, C, W, G, Y1, Y/Y2, DHUM | √ | √ | — | — | Flush Mount | 50M56X-8431 | 50M56X-843 |
| Carrier, Goodman, Lennox, Trane, York | Single Stage | HSI | 120 VAC | PSC / PSC | Heat, Cool | R, C, W, Y G | — | √ | √ | — | Flush Mount | 50A55-843 | 50A55-843S1 |
| Goodman, Lennox, Trane | Single Stage | HSI | 80 VAC only | PSC / PSC | Heat, Cool | R, C, W, Y G | — | — | — | — | Flush Mount | 50A65-843 | 50A65-843S1 |
| Goodman, Lennox, Trane, York | Two-Stage | HSI | 120 VAC* | PSC / PSC | Lo Heat, Hi Heat, Cool | R, C, W1, W2, YLo, Y, G | √ | √ | — | — | Standoff | 21M51U-843 | 21M51U-843 |
| Goodman, Lennox, Trane, York | Two-Stage | HSI | 120 VAC* | PSC / Var. Speed | 16-pin Interface | R, B/C, W1, W2, YLo, Y, G, O, DHUM | √ | — | √ | — | Standoff | 21V51U-843 | 21V51U-843 |
- On 80 VAC applications use supplied 21D64-2 Universal Ignitor.
- On 80 VAC applications purchase 21D64-2 Universal Ignitor.
- NOTE: Coming Fall 2022, replaces 50M56U-843 & 50X57-843, uses White-Rodgers Connect app for quick configuration and diagnostics.
Replaces over 700 OEM, White-Rodgers and competitive model numbers.
White-Rodgers Brand | Emerson US
