Rinnai REU-V2520FFUC-US Fascicule

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2520FFUC SP-1 
C53i (2520FFUC)    
Type of Appliance 
Rinnai model number 
Operation 
Exhaust system  
Minimum/Maximum Gas Rate (Input) 
Electrical 
 
Electrical Consumption 
 
 
Ignition System 
Hot Water Capacity 
Temperature 
Temperature (without remote)  
Approved Gas Types 
Installation 
Energy Factor 
Thermal Efficiency 
Service Connections 
 
 
Water Flow Control 
Minimum/Maximum Water Supply Pressure 
Temperature controlled, continuous flow, gas hot water system 
REU-V2520FFUC-US 
With or without remote controls, mounted in kitchen, bathroom, etc. 
Direct vent, forced combustion 
15,000 - 180,000 BTU/h (Natural Gas or Propane) 
Appliance: 
 
 
AC 120 Volts - 60 Hz 
Remote Control: 
 
DC 12 Volts 
Normal 
   75 
watts 
Standby   5.5 
watts 
Anti-frost protection 
 
100 watts 
Direct electronic ignition 
0.6 to 5.3 GPM (50° F rise) 
0.6 to 5.3 GPM (35° F rise) 
120° - 185° F  
140° F (factory default) 
Natural or Propane (ensure unit matches gas type) 
Indoor only 
Natural Gas: 0.81 
 
Propane: 0.81 
Natural Gas: 84% 
 
Propane: 84% 
Gas supply: 3/4 inch MNPT 
Cold water inlet: 3/4 inch MNPT 
Hot water outlet: 3/4 inch MNPT 
Water flow sensor, electronic water control device, no bypass 
20 - 150 PSI (50 PSI or above is recommended for maximum flow) 
2520FFUC SP-1                           12/2006 
FLOW TABLE 
Water Flow Capacity Curves 
(For 1 to 5 units manifolded in parallel) 
© 2005 Rinnai Corporation