Manualsbrain.com
  1. Manuals
  2. Brands
  3. Rinnai
  4. EX22
  5. Leaflet

Rinnai EX22 Leaflet

Download
Page of 2
FEATURES 
EX22 (RHFE-558RWTA) 
Type of Appliance 
 
 
Rinnai Model Number 
Gas Rate Input (BTU/hour) 
 
Gas Rate Output (BTU/hour) 
 
AFUE Rating 
Minimum Gas Supply Pressure 
Maximum Gas Supply Pressure 
Electrical Connection 
Gas Connection 
Combustion System 
Ignition System 
Fan CFM Output: 
Temperature Settings 
 
 
Temperature Control 
 
 
Humidifier Tray 
Weight 
Clearance from Combustibles 
 
Noise Level 
Warm Air Outlet 
Direct vent wall furnace suitable for homes, apartments, and )
condominiums; modular/mobile home approved; forced combustion, 
forced convection 
RHFE-558RWTA-N (Natural gas) RHFE-558RWTA-P 
(Propane) 
Low - 8,200 
Low - 8,200   
 
 
High - 21,500 
High - 20,700 
Low - 6,560 
Low - 6,560 
High - 17,200 
High - 16,560 
80.6% 81.0% 
3.5 in (89 mm) W.C. 
8 in (203 mm) W.C. 
10.5 in (267 mm) W.C  
13 in (330 mm) W.C. 
AC 120V, 60 Hz, 47 watts 
1/2 inch FNPT 
Stainless steel inshot burners 
Direct spark 
Low: 110.5 
High: 162.7 
Low (LO): minimum combustion 
60° - 80° F in 2° increments  
 
High (HI): maximum combustion 
•  Electronic 7 day, 28 event programmable set back thermostat 
•  Frost protection function allows a pre-set minimum room temperature 
•  Temperature limiting program to comply with Inside Design 
Temperature limits 
Enameled tray with capacity of 3 pints (1.3 liters) 
Approximately 51 lbs (23 kg) 
Side: 2 inches (50 mm) 
Top: 10 inches (250 mm) 
Front: 40 inches (1 m) 
32 - 41 dB(A) 
Bottom front louvers 
© 2009 Rinnai Corporation 
RHFE-558RWTA SP                      7/2009 
provides precise gas flow  
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 
Linear function modulation: 
Negative coefficient thermistor:   
Variable speed inducer motor: 
Quiet operation: 
 
 
Self diagnostic electronics: