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HVAC Tech Tip: Wiring an RDS to a Non-Communicating Furnace with an ECM Motor Issue

July 2026 HVAC Tech Tip Wiring an RDS Diagram

HVAC Tech Tip: How to Properly Wire an RDS Unit

Proper wiring of a Remote Duct Sensor (RDS) is essential for maintaining accurate system communication, optimal climate control, and efficient HVAC operation. This step-by-step guide walks you through terminal connections, low-voltage wiring safeguards, and proper sensor placement to prevent communication faults and system errors.

Whether performing a fresh installation or troubleshooting an existing setup in the field, following these industry best practices ensures reliable sensor readings and protects delicate controls from voltage spikes.

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Need a Printable Copy?

Download a printable version of this month's RDS wiring tech tip sheet for quick reference in the shop or on the job site.

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