556FAIII
Type of Appliance
Direct vent wall furnace suitable for homes, apartments, and
condominiums; modular/mobile home approved; forced combustion,
forced convection
RHFE-556FA-N (Natural gas)
RHFE-556FA-P (Propane)
Rinnai Model Number
Gas Rate Input (BTU/hour)
Low - 8,200
Low - 8,200
High - 21,500
High - 20,700
Gas Rate Output (BTU/hour)
Low - 6,640
Low - 6,640
High - 17,420
High - 16,770
80.6%
81.0%
AFUE Rating
5 in (127 mm) W.C.
10.5 in (267 mm) W.C
AC 120V, 60 Hz, 52 watts
1/2 inch FNPT
11 in (279 mm) W.C.
13 in (330 mm) W.C.
Minimum Gas Supply Pressure
Maximum Gas Supply Pressure
Electrical Connection
Gas Connection
Stainless steel inshot burners
Direct spark
Combustion System
Ignition System
Low: 110.5
High: 162.7
Fan CFM Output:
Low (LO): minimum combustion
60° - 80° F in 4° increments
Temperature Settings
High (HI): maximum combustion
Electronic thermostat
Temperature Control
Humidifier Tray
Enameled tray with capacity of 3 pints (1.3 liters)
Approximately 51 lbs (23 kg)
Weight
Side: 2 inches (50 mm)
Front: 40 inches (1 m)
Top: 10 inches (250 mm)
Clearance from Combustibles
32 - 41 dB(A)
Noise Level
Bottom front louvers
Warm Air Outlet
FEATURES
provides precise gas flow
Linear function modulation:
Negative coefficient thermistor:
Variable speed inducer motor:
Quiet operation:
detects temperature change in 1/2 of a degree
monitors and controls combustion fan
reduces noise through use of swept blades in convection fan; and
through the design of the combustion chamber and heat exchanger
which silently expand or contract due to temperature changes
continually monitors functions; provides auto shutdown codes; indicates
when air filter needs cleaning
Self diagnostic electronics:
RHFE-556FAIII SP-1
4/2007
© 2005 Rinnai Corporation
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