Rinnai Water Heater C199iN Specifications

C199i (KBD3237FFUDC)

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1.0

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10.0

0 25 50 75 100 125 150

kA3237

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

Thermal Efficiency

Commercial Condensing Tankless Water Heater, Commercial Energy Star

REU-KBD3237FFUDC-US

Forced combustion; indoor only;

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

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

Normal: 75 w Standby: 2 w Anti-frost protection: 146 w

Max: 4A

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)

Factory Default Range - 98°-120° F (37°- 49°C) Optional Range - 98° - 185° F (37°- 85°C)

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

Natural or Propane (ensure unit matches gas type)

Natural Gas: 96% Propane: 96%

Service Connections

Isolation & Pressure Relief Valves Included

Water Flow Control

Minimum/Maximum Water Supply Pressure

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

Isolation Valves are certified to NSF/ANSI 61 for potable water

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

20 - 150 PSI (138-1035 KPa) ( recommended 60 - 80 PSI (414 - 552 KPa) for optimal performance)

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)

Water Flow gpm (l/min)

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9.0

8.0

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1.0

(34.1)

(30.3)

(26.5)

(22.7)

(19.0)

(15.1)

(11.4)

(7.6)

(3.8)

0.0

FLOW TABLE

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

delta T - Temperature Rise ºF (ºC)

C199i-SP-1 2/2016

C US

Low Lead Content

NSF/ANSI 372

SANITATION

C199i (KBD3237FFUDC)

Controller

Controller Cable

Safety Devices

Clearances from Combustibles

* 24 inches (610mm) required for service

Clearances from Non-combustibles

* 24 inches (610mm) required for service

Min. / Max. Gas Supply Pressure

Manifold Gas Pressure (inches W.C.)

NOx

Venting

MC-91-2US (included)

Non-polarized two-core cable, minimum 22 AWG

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

 Top of heater - 6 inches (152mm)  Front of heater - 6 inches *(152mm)  Sides of heater - 2 inches (51mm)

 Top of heater - 2 inches (51mm)  Front of heater - 6 inches *(152.mm)  Sides of heater - 1/2 inches (13mm)

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

 Back of heater - 0 inches  Bottom of heater - 12 inches (305mm)  From vent pipe - 0 inches

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. (7.5mbar) low fire 0.42” W.C. (1.1mbar) Propane Gas: high fire 3.5” W.C. (8.7mbar) low fire 0.47” W.C. (1.2mbar)

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

-Ubbink Polypropylene Concentric Vent

-Twin Pipe PVC/CPVC (3” and 4” configurations)

-Centrotherm 3” Polypropylene (with Centrotherm Twin Pipe Adapter);

-Common Vent Solutions

-Room Air (Room air can be used only in commercial common vent applications where

the exhaust terminates vertically) See installation and operation manual for more details.

Limited Warranty

Heat exchanger: 6 years*, 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.

DIMENSIONS

ø 5.5 (140.2)

5.9 (150)

1.2 (31.2)

20.6 (523.3)

31.2 (791.3)

2.9 (74.6)

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

WEIGHT: 61.7 lb (28 kg)

2.02 (51.3)

2.8 (70.1)

10.1 (257.7)

8.7 (222)

25.7 (654)

28.5 (723.3)

A (CONDENSATE

DIM Inches (mm)

A (GAS) 1.6 (40.2)

A (COLD) 2.0 (50.2)

A (HOT) 1.6 (41.2)

OUTLET)

B 5.0 (127.2)

C 1.9 (47.8)

D 0.52 (13.3)

0.9 (22.4)

DIM Inches (mm)

E 2.2 (56.3)

F 2.3 (58.3)

G 5.0 (127.2)

H 2.0 (50)

I 3.0 (76)

J 7.1 (179)

K 18.3 (466)