The Ruud RGGE, RGFG, and RGJF Ultra Series™ 90 Plus Communicating Modulating gas furnaces equipped with the Comfort Control2 System & Contour Comfort Control line
of Upflow/Horizontal, & Dedicated Downflow, are designed for
installation in closets, alcoves, utility rooms, or attics. The design
is certified by CSA International.
The Comfort Control2 System™
service-ability with over 28 on-board diagnostics & fault history
codes by detecting system & electrical problems. “Call for Service”
alert notification is sent to the thermostat to alert the homeowner of
required service. This includes dual seven segments LED & diagnostic
history for easier system diagnostics & troubleshooting.
Serial Communication Enhanced
with a Serial Communicating Condensing Unit & user interface control
RHCTST550CMMS)500 Series thermostat this unit offers 4 or 2 wire
installation, auto-configuration, & diagnostic messaging with full
Motor & Blower Compartment
& quiet ECM 3.0 communicating motor. An insulated blower
compartment, a slow-open gas valve, specially designed 2-speed induced
draft motor & blower motor make it one of the most reliable &
quietest furnaces on the market today.
When used with a modulating thermostat, modulation rate between 40% and 100% of total capacity.
When used with a two-stage
thermostat, furnace operates at 40% on first stage, & stages up to
65%, then 100% for second stage.
When used with a
single-stage thermostat, furnace functions as a three stage furnace
operating at 40%, 65% & 100% of total capacity.
The “34 inch”
[864mm] design is lighter & easier to handle, making is easily
installed & leaves room for optional equipment & optimal access
Cabinet & Design
The units are
constructed with Pre-paint galvanized steel cabinets for added
reliability & durability. Solid doors & easy door removal &
replacement makes for an easier time with service-ability. Also, all
models are equipped with a molded permanent filter & right, left, or
top side gas & electric inlet connections.
Patented Heat Exchanger
exchanger constructed of aluminized steel and secondary heat exchanger
constructed of stainless steel for maximum corrosion resistance and
thermal fatigue reliability.
Direct Spark Ignition & Remote Sensor
The direct spark ignition with reduced firing rates is an efficient
method of gas ignition while the remote flame sensor monitors the flame.
For added safety & personal peace of mind the direct spark ignition
with remote sensor will lock out system after trial for ignition if main burner fails to ignite.
For added customer assurance, all models feature an integrated board
& are equipped with humidifier & electronic air cleaner hookups
for added heating capacity & efficiency.
compatible with single or two-stage thermostats. (For optimal
performance, two-stage thermostats are recommended.) A variety of
cooling coils & plenums designed to use with (Ruud Ultra Series™ & Super Quiet 80™), two stage gas furnaces are available as optional accessories.
Air Quality & Control
equipped with a low speed constant fan & constant temperature rise
for superior comfort. Along with constant CFM & Dip switch settings