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

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