920915A Nordyne OEM Circuit Board – CMF95072

Product Overview

920915A is a factory-original Nordyne control board designed for CMF95072 rooftop furnaces. It governs ignition sequencing, blower relay activation, safety interlocks, and offers on-board LED diagnostics to streamline troubleshooting and ensure reliable unit operation.

Cross-Reference Part Numbers

Compatibility

• Nordyne rooftop furnace series CMF95072

• OEM and private-label variants from Maytag, Miller, Intertherm, Frigidaire, Broan, Gibson, Partners Choice

• Single-stage gas furnace control (do not substitute 2-stage boards such as 920916 on single-stage units)

Technician Notes

• Always de-energize power and discharge capacitors before handling.

• Use an ESD wrist strap; handle the board only by its edges.

• Photograph the original wiring schematic for reference.

• Replace the onboard 3 A fast-blow fuse if blown; confirm proper fuse type per service manual.

• Verify 24 VAC between R and C before power-up, then observe LED blink code patterns.

• Confirm inducer motor start, gas valve “click,” and blower activation in heat and cool modes.

• Torque any control harness screws to manufacturer spec; replace corroded connectors.

• After installation, cycle power off/on to reset safety lockouts and clear any stored error codes.

Additional Resources

• Downloadable OEM wiring diagram & CMF series installation manual (PDF)

• Printable cross-reference sheet covering all Nordyne private labels

• Step-by-step video tutorial: rooftop furnace control board replacement