Rinnai RUR98e Specification

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

0 25 50 75 100 125 150

kA3237

RUR98e (KBP3237WD)

Type of Appliance

Rinnai model number

Operation / Installation

Minimum/Maximum Gas Rate (Input)

Electrical

Electrical Consumption

Amperage

Ignition System

Hot Water Capacity

Temperature

Temperature (without remote)

Approved Gas Types

Energy Factor (EF)

Service Connections

Isolation & Pressure Relief Valves Included

Water Flow Control

Minimum/Maximum Water Supply Pressure

Condensing, Tankless, Temperature controlled, continuous flow, gas hot water system with built in recirc pump, Energy Star Qualified

REU-KBP3237WD-US

Forced combustion; outdoor only; Certified for installation in Manufactured (Mobile) Homes

15,200 - 199,000 BTU/h (4.5-58.3 kW)

Appliance: AC 120 Volts - 60 Hz Temperature Controller: DC 12 Volts

Normal: 201 w Standby: 3 w Anti-frost protection: 210 w

Max: 8A Fuse: 10A

Direct electronic ignition

Minimum flow rate: 0.26 GPM (1 l/min) Minimum activation flow rate: 0.4 GPM 1.5 l/min) Maximum flow rate: 9.8 GPM (37.1 l/min)

98° - 120° F (37°- 49°C) (factory default) Maximum temperature is selectable at 120° F (49°C) or at 140° F (60°C);

120° F (49°C) (factory default) or 140° F (60°C)

Natural or Propane (ensure unit matches gas type)

Natural Gas: 0.95 Propane: 0.95

Gas supply: 3/4 inch (19mm) MNPT Cold water inlet: 3/4 inch (19mm) MNPT Hot water outlet: 3/4 inch (19mm) MNPT

Heavy duty forged brass isolation valves EXP E2, certified to NSF/ANSI 618 for potable water

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

50 - 150 PSI (345-1035 KPa) (60 - 80 PSI (414 - 552 KPa) or above is recommended for maximum flow)

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.

(37.9)

FLOW TABLE

Water Flow gpm (l/min)

10.0

9.0

8.0

7.0

6.0

5.0

4.0

3.0

2.0

1.0

(34.1)

(30.3)

(26.5)

(22.7)

(19.0)

(15.1)

(11.4)

(7.6)

(3.8)

0.0

25 (13.9) 50 (27.8) 75 (41.6) 100 (55.6) 125 (69.4) 150 (83.3)

delta T - Temperature Rise ºF (ºC)

RUR98e-SP 9/2014

RUR98e (KBP3237WD)

Internal Recirculation Pump Control Built in Rinnai Circ-Logic™ : Recirculation program cycles internal pump

Controller

Maximum Recirculation Pipe Lengths

Controller Cable

Safety Devices

Clearances from Combustibles

* 24 inches (609.6mm) required for service

Clearances from Non-combustibles

* 24 inches (609.6mm) required for service

Min. / Max. Gas Supply Pressure

Manifold Gas Pressure (inches W.C.)

NOx

MC-195T-US (included)-Pump Timer Control MC-91-2US (optional)

Dedicated Return

-Total length includes both hot water supply lines and Dedicated Return line

Cross Over Mode

-Cross over mode requires use of included thermal by-pass valve

-Total length includes both hot water supply and cold water piping length from the tankless to thermal by-pass valve

 400ft for 3/4” pipe diameter  100ft for 1/2” pipe diameter

Non-polarized two-core cable, minimum 22 AWG (Field Supplied)

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

 Top of heater - 6 inches (152.4mm)  Front of heater - 6 inches *(152.4mm)  Sides of heater - 2 inches (50.8mm)

 Top of heater - 2 inches (50.8mm)  Front of heater - 6 inches *(152.4mm)  Sides of heater - 1/2 inches (12.7mm)

Natural Gas: min 4” W.C. (2.5mbar) max 10.5” W.C. (26.1mbar) Propane Gas: min 8” W.C. (20mbar) max 13.5” W.C. (33.6mbar)

Natural Gas: high fire 3.0” W.C. (7.2mbar) low fire 0.41” W.C. (1.0mbar) Propane Gas: high fire 3.5” W.C. (8.7mbar) low fire 0.46” W.C. (1.2mbar)

Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels

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

 Back of heater - 0 inches  Bottom of heater - 12 inches (304.8mm)  From vent pipe - 0 inches

Limited Warranty

DIMENSIONS

0.6 (15) 2.0 (50)

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 aquastat / thermostat, timer, or an on-demand recirculation system is not incorporated.) Refer to the manual for complete warranty information.

WEIGHT: 72.8 lb (33 kg)

18.5 (470)

10.0 (253.8)

0.4 (10.1)

10.1 (257.5)

8.7 (222) A

0.6 (15)

25.7 (654)

28.4 (721.6)

DIMENSION Inches (mm)

A (GAS) 1.6 (40.2)

A (COLD) 2.0 (50.2)

A (HOT) 1.4 (36.4)

B 5.0 (127.2)

C 7.1 (179.7)

D 0.60 (15.3)

DIMENSION Inches (mm)

E 4.6 (116.8)

F 2.3 (57.7)

G 1.9 (47.8)

H 0.52 (13.3)

I 18.3 (466)

J 7.2 (181.5)

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