Controller

Controller Cable Safety Devices

RC80HPi (KA2530FFUD)

MC-91-1US (included)

Deluxe controller: MC-100V-1US (optional)

Bathroom controller: BC-100V-1US (optional)

MCC-91-1US (for commercial applications)

Non-polarized two-core cable, minimum 22 AWG

•

Flame failure - Flame Rod

•

Remaining flame (OHS)

•

Boiling protection

•

Thermal fuse

•

Combustion fan rpm check

•

Automatic frost protection

•Over current - glass fuse (3 amp)

Clearances from Combustibles

* 24 inches required for serviceability

Clearances from Non-combustibles

* 24 inches required for serviceability

Min. / Max. Gas Supply Pressure

Manifold Gas Pressure (inches W.C.)

•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 5” W.C.

Propane Gas: min 8” W.C.

Natural Gas: high fire 2.9” W.C.

Propane Gas: high fire 3.7” W.C.

•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

max 10.5” W.C. max 13.5” W.C.

low fire 0.70” W.C. low fire 1.06” W.C.

NOx Warranty

Meets California and Texas NOx Emission Rules

Heat exchanger: 12 years* for residential and 5 years* for commercial and hydronic applications; (10 years* if used with the Rinnai Hydronic Air Handler); 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, all circulating water flows through the water heater and without an on-demand recirculation system). Refer to the manual for complete warranty information.

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

WEIGHT: 63.9 lb (29 kg)

 

 

L E

H

G

I

F

J

 

 

M

 

 

 

* This is the minimum dimension from the wall. The wall bracket is adjustable to allow an additional 1.57 inches (40 mm).

DIM

DESCRIPTION

in (mm)

A

Width

18.5 (470)

B

Depth

10.5 (266.9) *

C

Height - Unit

26.4 (670)

D

Height - with brackets

28.5

(723.2)

E

Hot Water Outlet - from wall

4.3 (110) *

F

Hot Water Outlet - from center

3.9 (100)

G

Cold Water Inlet - from wall

2.9 (74.6) *

H

Cold Water Inlet - from center

1.1

(27.7)

I

Gas Connection - from wall

3.9 (99) *

J

Gas Connection - from center

4.1 (103.2)

 

From base to gas connection

1.6

(40.2)

K

From base to cold connection

2.0

(50.2)

 

From base to hot connection

1.6

(41.2)

L

Condensate Dain - from wall

5.2 (132.6) *

M

Condensate Drain - from center

7.7 (195)

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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Rinnai REU-KA2530FFUD-US manual Dimensions, Weight 63.9 lb 29 kg
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REU-KA2530FFUD-US specifications

The Rinnai REU-KA2530FFUD-US is a top-tier tankless water heater designed for efficiency and performance, making it ideal for residential applications. Rinnai, a trusted name in home heating solutions, has equipped this model with advanced features and technologies that ensure users enjoy a continuous supply of hot water.

One of the standout features of the REU-KA2530FFUD-US is its on-demand hot water capability. Unlike traditional tank water heaters that store hot water, this unit heats water only when needed. This results in significant energy savings, as it eliminates standby heat loss associated with tank heaters. The REU-KA2530FFUD-US is designed to deliver a maximum flow rate of up to 6.6 gallons per minute, making it suitable for households with multiple hot water needs simultaneously, such as running showers, dishwashers, and washing machines without a drop in performance.

The unit is highly efficient, boasting an energy factor of 0.94. This impressive rating ensures that it meets or exceeds energy efficiency standards, helping homeowners save on utility bills while being environmentally friendly. The Rinnai REU-KA2530FFUD-US utilizes advanced technology featuring a Wi-Fi-enabled control system, allowing users to monitor and adjust settings remotely. This feature provides convenience for tech-savvy individuals and peace of mind, enabling users to ensure their water heating system is always operating optimally.

Built with durable materials, the Rinnai REU-KA2530FFUD-US is designed for longevity and reliability. Its compact design allows for easy installation in tight spaces, and it can be vented in various configurations, including concentric and PVC venting, giving homeowners flexibility during installation.

Safety is also a priority in this model, which comes equipped with numerous safety features, including an error code diagnostic system, freeze protection, and a built-in gas leak detection mechanism. These features provide homeowners with confidence and a sense of security in their water heating system.

In summary, the Rinnai REU-KA2530FFUD-US represents a blend of cutting-edge technology, energy efficiency, and user-friendly features, making it an excellent choice for those seeking a reliable and efficient tankless water heater for their home. Its innovative design meets the increasing demand for hot water while prioritizing operational efficiency, safety, and convenience.
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