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Rinnai REU-KA2530FFUD-US User Manual

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RC80HPi (KA2530FFUD)

Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us

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
• 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 5” W.C.

max 10.5” W.C.

Propane Gas: min 8” W.C.

max 13.5” W.C.

Natural Gas: high fire 2.9” W.C. low fire 0.70” W.C.
Propane Gas: high fire 3.7” W.C. low fire 1.06” W.C.

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.

DIMENSIONS

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.

• 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

WEIGHT: 63.9 lb (29 kg)

Controller

Controller Cable

Safety Devices


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.)


NOx

Warranty

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)

K

From base to gas connection

1.6 (40.2)

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)

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

L E

M

F

H

J

G I