RU80e (KB2530WD)
Condensing, Tankless, Temperature controlled, continuous flow,
gas hot water system, Energy Star Qualified
Type of Appliance
REU-KB2530WD-US
Rinnai model number
Operation / Installation
Minimum/Maximum Gas Rate (Input)
Electrical
Forced combustion; outdoor only
15,200 - 152,000 BTU/h
Appliance:
AC 120 Volts - 60 Hz
DC 12 Volts
Temperature Controller:
Normal: 41 w Standby: 2 w Anti-frost protection: 168 w
Direct electronic ignition
Electrical Consumption
Ignition System
Minimum flow rate: 0.26 GPM
Minimum activation flow rate: 0.4 GPM
Maximum flow rate: 8.0 GPM
Hot Water Capacity
98° - 120° F (factory default) Maximum temperature is selectable at
120° F or at 140° F; 98° - 185° F available with the MCC-91-2
controller for commercial and hydronic applications
Temperature
120° F (factory default) or 140° F
Temperature (without remote)
Approved Gas Types
Energy Factor (EF)
Natural or Propane (ensure unit matches gas type)
Natural Gas: 0.96
Propane: 0.96
Gas supply: 3/4 inch MNPT
Service Connections
Cold water inlet: 3/4 inch MNPT
Hot water outlet: 3/4 inch MNPT
Isolation & Pressure Relief Valves Included Heavy duty forged brass Webstone Isolator valves EXP E2, certified
to NSF/ANSI 61-8 for potable water
Water flow sensor, electronic water control and by-pass control
15 - 150 PSI (50 PSI or above is recommended for maximum flow)
Water Flow Control
Minimum/Maximum Water Supply Pressure
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior
notice. Local, state, provincial and federal codes must be adhered to prior to installation.
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
25
50
75
100
125
150
delta T - Temperature Rise (ºF)
RU80e SP
3/2012
© 2012 Rinnai Corporation
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