Rinnai Rl75I Reu Vc2528Ffud Us Specification Sheet (VC2528FFUD US) SP

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RL75i (VC2528FFUD-US)
Type of Appliance

•
•
•
•

Rinnai Model Number

REU-VC2528FFUD-US

Minimum/Maximum Gas Rate (Input)

10,300 - 180,000 BTU/h

Electrical

Appliance:
Controller:

Electrical Consumption

Normal: 76 w

Ignition System

Direct electronic ignition

Hot Water Capacity

Minimum flow rate: 0.26 GPM
Minimum activation flow rate: 0.4 GPM
Maximum flow rate: 7.5 GPM

Temperature

98° - 120° F (factory default) Maximum temperature is selectable at
120° F or at 140° F; 98° - 160° F available with the MCC-91-2
controller for commercial and hydronic applications

Temperature (without remote)

120° F (factory default) or 140° F

Installation

Indoor only

Energy Factor

Natural Gas: 0.82

Service Connections

Gas supply: 3/4 inch MNPT
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 Control

Water flow sensor, electronic water control device and fixed by-pass

Minimum/Maximum Water Supply Pressure

20 - 150 PSI (recommended 30-80 PSI for maximum performance)

Temperature controlled, continuous flow, gas hot water system
Certified for installation in manufactured (mobile) homes
Forced combustion / Direct vent
Energy Star qualified

AC 120 Volts - 60 Hz
DC 12 Volts
Standby: 2 w

Anti-frost protection: 120 w

Propane: 0.82

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.

8.0

FLOW TABLE

Water Flow (gpm)

7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0

25

50

75

100

125

delta T - Temperature Rise (ºF)
© 2012 Rinnai Corporation

RL75i VC SP

3/2012

150

RL75i (VC2528FFUD-US)
Water Temperature Control

Simulation feed forward and feedback

Controller

MC-91-2US (part of the front panel)
Deluxe controller: MC-100V-1US (optional)
Bathroom controller: BC-100V-1US (optional)
MCC-91-2US (optional; for hydronic and commercial applications)

Controller Cable

Non-polarized two-core cable, minimum 22 AWG

Safety Devices

•
•
•
•

Clearances from Combustibles
(suitable for closet, attic, and
crawl space installations)

• Top of heater - 6 inches
• Front of heater - 6 inches
• Sides of heater - 2 inches

• Back of heater - 0 inches
• Ground / bottom - 12 inches
• From vent pipe - 0 inches

Clearances from Non-combustibles

• Top of heater - 2 inches
• Front of heater - 6 inches
• Sides of heater - 1/2 inch

• Back of heater - 0 inches
• Ground / bottom - 12 inches
• From vent pipe - 0 inches

Min. / Max. Gas Supply Pressure
(sea level)

Natural Gas: min 5” W.C.
Propane Gas: min 8” W.C.

max 10.5” W.C.
max 13.5” W.C.

Manifold Gas Pressure (inches W.C.)

Natural Gas: high fire 2.5” W.C.
Propane Gas: high fire 3.9” W.C.

low fire 0.61” W.C.
low fire 0.87” W.C.

NOx

Complies with South Coast Air Quality Management District 14 ng/J
or 20 ppm NOx emission levels
Heat exchanger: 12 years* for residential, 10 years for residential and space heating, and 5 years* for
commercial; 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, and where an
on-demand recirculation system is not incorporated.)
Refer to the manual for complete warranty information.

DIMENSIONS
14.04 (356.6)

WEIGHT: 45.6 lb (20.7 kg)
9.27 (235.5)
0.4~1.8 (10~45) Variable
2.67 (67.8)

Limited
Warranty

• Remaining flame (OHS)
• Thermal fuse
• Automatic frost protection

Flame failure - Flame Rod
Boiling protection
Combustion fan rpm check
Over current - glass fuse

5.05 (128.1)

B

C

E

F G

22.95 (583)

D

A

DIMENSION

Inches (mm)

DIMENSION

Inches (mm)

A (GAS)

1.31 (33.2)

D

4.33 (110)

A (COLD)

1.93 (49)

E

2.89 (73.3)

A (HOT)

1.35 (34.4)

F

1.85 (47)

B

4.21 (106.9)

G

3.44 (87.3)

C

1.17 (29.8)

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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