Rinnai REU-V2520FFUC-US User Manual
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
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%
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 device, no bypass
20 - 150 PSI (50 PSI or above is recommended for maximum flow)
© 2005 Rinnai Corporation
2520FFUC SP-1
2520FFUC SP-1 12/2006
C53i (2520FFUC)
Water Temperature Control
Remote Controls
Remote Control Cable
Safety Devices
Clearances from combustibles
(suitable for closet, attic, and
crawl space installations)
Clearances from non-combustibles
Min. / Max. Gas Supply Pressure
Manifold Gas Pressure (inches W.C.)
NOx
Warranty
Simulation feed forward and feedback
MC-91-1US (included)
Deluxe controller: MC-100V-1US (optional)
Bathroom controller: BC-100V-1US (optional)
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 - 6 inches
• Front of heater - 6 inches
• Sides of heater - 2 inches
• Top of heater - 2 inches
• Front of heater - 6 inches
• Sides of heater - 1/2 inches
Natural Gas: min 6” W.C. max 10.5” W.C.
Propane Gas: min 10” W.C. max 13.5” W.C.
Natural Gas: high fire 3.7” W.C. low fire 0.77” W.C.
Propane Gas: high fire 4.2” W.C. low fire 0.93” W.C.
Meets California and Texas NOx Emission Rules
Commercial only; heat exchanger 5 years*; all other parts 5 years*;
labor 1 year; (* 3 years if used as a circulating water heater within a
circulation loop, when the water heater is in series with a circulation
system and all circulating water flows through the water heater)
• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• From vent pipe - 0 inches
• Back of heater - 0 inches
• Bottom of heater - 12 inches
• From vent pipe - 0 inches
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
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
WEIGHT: 49 LBS
Loading...