Rinnai REU-V2526W-US User Manual
R70e (2526W)
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
Temperature controlled, continuous flow, gas hot water system
REU-V2526W-US
With or without remote controls, mounted in kitchen, bathroom, etc.
Outdoor forced combustion
15,000 - 199,000 BTU/h (Natural Gas or Propane)
Appliance: AC 120 Volts - 60 Hz
Remote Control: DC 12 Volts
Normal 63 watts
Standby 5.5 watts
Anti-frost protection 84 watts
Direct electronic ignition
0.6 to 6.5 GPM (50° F rise) 0.6 to 7.0 GPM (35° F rise)
98° - 140° F
120° F (factory default)
Natural or Propane (ensure unit matches gas type)
Outdoors only
Natural Gas: 0.81 Propane: 0.80
Natural Gas: 84% Propane: 84%
Service Connections
Water Flow Control
Minimum/Maximum Water Supply Pressure
FLOW TABLE
Water Flow Capacity Curves
(For 1 to 5 units manifolded in parallel)
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 and by-pass control
20 - 150 PSI (50 PSI or above is recommended for maximum flow)
40.0
35.0
30.0
25.0
20.0
15.0
10.0
Hot Water Flow Rate (gpm)
5.0
0.0
0 25 50 75 100 125 150
1 Unit 2 Units 3 Units 4 Units 5 Units
T – Temperature Rise (°F)
∆
© 2005 Rinnai Corporation
2526W SP-1
2526W SP-1 4/2007
R70e (2526W)
Water Temperature Control
Remote Controls
Remote Control Cable
Safety Devices
Clearances from combustibles
Clearances from non-combustibles
Installations within RGB-25 Recess Box
Min. / Max. Gas Supply Pressure
Manifold Gas Pressure (inches W.C.)
NOx
Simulation feed forward and feedback
MC-91-1US (included)
Deluxe controller: MC-100V-1US
Bathroom controller: BC-100V-1US
Wireless controller (with transceiver): MC-502RC-1US -MS (optional)
Non-polarized two-core cable
• Flame failure - Flame Rod
• Boiling protection
• Combustion fan rpm check
• Over current - glass fuse (3 amp)
• Top of heater - 12 inches
• Front of heater - 24 inches
• Sides of heater - 6 inches
• Top of heater - 2 inches
• Front of heater - 24 inches
• Sides of heater - 1/2 inches
Clearance to recess box top, bottom, back, and sides: 0 inches
Natural Gas: min 6” W.C. max 10” W.C.
Propane Gas: min 10.5” W.C. max 13.5” W.C.
Natural Gas: high fire 3.4” W.C. low fire 0.56” W.C.
Propane Gas: high fire 5.1” W.C. low fire 0.88” W.C.
Meets California and Texas NOx Emission Rules
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• Back of heater - 0 inches
• Bottom of heater - 2 inches
Warranty
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.
DIMENSIONS
Residential only; heat exchanger 10 years*; all other parts 5 years*;
labor 1 year; (* 3 years if used as a circulating water heater within a
circulation loop, where the water heater is in series with a circulation
system and all circulating water flows through the water heater, and
where on-demand recirculation is not incorporated)
WEIGHT: 46 LBS
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
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