RGFE Series

Ruud Ultra Series™ Communicating Modulating Gas Furnaces equipped with the Comfort Control² System and Contour Comfort Control®

The Ruud Ultra Series™ 90 Plus Modulating Gas Furnace equipped with the Comfort Control² System™ is seldom “off” and seldom “on” at 100%. Your Ruud Ultra Series™ 90 Plus Modulating Gas Furnace equipped with the Comfort Control² System™ is so quiet, you may never know it’s on. And it’s so frugal with both gas and electricity, that it has perhaps the highest overall efficiency* of any furnace.

 Features

· The Comfort Control² System™ provides over 28 on-board diagnostics and fault history codes by detecting system and electrical problems. “Call for Service” alert notification is sent to the thermostat to alert the homeowner of required service
· Serial Communication Enhanced – When installed with a Serial Communicating Condensing Unit and user interface control (RHC-TST550CMMS) 500 Series thermostat this unit offers 4 or 2 wire installation, auto-configuration, and diagnostic messaging with full communicating capability
· Heat exchanger is constructed of all stainless steel for maximum corrosion
resistance and thermal fatigue reliability
· Modulating Function: when used with a modulating or communicating thermostat, modulation rate between 40% and 100% of total capacity
· Two-stage Function: when used with a two-stage thermostat, furnace operates at 40% on first stage, and stages up to 65%, then 100% for second stage
· Multistage Function: when used with a single-stage thermostat, furnace functions as a three stage furnace operating at 40%, 65% and 100% of total capacity
· Reduced firing rates, electrically efficient ECM2+ motor, and solid doors provide the ultimate in quiet operation
· Low speed constant fan
· Constant temperature rise for superior comfort
· Seven segment LED for system diagnostics
· Diagnostic history for troubleshooting
· Two-speed induced draft motor
· Direct spark ignition with remote sense
· Optional indoor or outdoor combustion air.