Rinnai Water Heater CHS19980HEiN Specifications

• Top of heater - 6 in. (152mm)*

• Front of heater - 6 in. (152mm)**

• Sides of heater - 2 in. (51mm)

• Back of heater - 0 in.

• Bottom of heater - 12 in. (305mm)

• From vent pipe - 0 in.

Clearances from Combustibles (RL94iRLX94i)

• Top of heater - 2 in. (51mm)*

• Front of heater - 6 in. (152mm)**

• Sides of heater - 1/2 in. (13mm)

• Back of heater - 0 in.

• Bottom of heater - 12 in. (305mm)

• From vent pipe - 0 in.

Clearances from Non-Combustibles (RL94i/RLX94i)

*54 in. (1371.6mm) required for anode rod serviceability **24 in. (610mm) required for serviceability

• Flame failure - Flame Rod

• Boiling protection

• Combustion fan rpm check

• Over current - glass fuse

• Remaining flame (OHS)

• Thermal fuse

• Automatic frost protection

Safety Features

• Heat Exchanger: Residential - 12 years* / Commercial - 5 years*

• Tank: 6 years*

• All Other Parts: 5 years*

• Labor: 1 year*

(*Reference Tankless Water Heater manual for further warranty information.)

Limited Warranty

• Concentric: Ubbink Concentric Non-Condensing Vent

Direct Vent Options

DIMENSIONS

WEIGHT: 290 lb (132 kg)

Maximum Gas Consumption: 199,000 BTU/h Temperature Range F (C):

• Commercial: 98°- 185° (37°- 85°)

• Residential: 98°- 140° (37°- 60°)

Tank Capacity: 80 Gallons (303 L) First Hour Delivery (100°F Rise):

• RL94i: 259 Gallons (980 L)

• RLX94i: 251 Gallons (950L)

Front Side

Demand Duo 80-SP 11/2017

• 2 in. Foam insulation

• Glass-lined inner tank

• 1.5 in. MNPT dielectric hot and cold

connections

• Pre-installed temperature & pressure relief valve

• Brass drain valve

• Dual magnesium anode rods

• Hand hole clean-out

Storage Tank

Top

Dual Anodes

COLD INLET

HOT OUTLET

Demand Duo™ 80 Hybrid Water Heating System

3.54

DRAIN

4.19

COLD

30.00°

27.74

Ø 24.25

12.13 HOT

28.64

54.28 T&P

24.53 PRV

1-1/2” MNPT

(COLD)

64.71

56.83

62.69

1-1/2” MNPT

(HOT)

29.29

(GAS)

28.66

(GAS)

34.05

Demand Duo™ 80 Hybrid Water Heating System

Product Number CHS19980HEiP CHS19980HEiN CHS19980HEXiN

Product Description

Hybrid System: Non-condensing tankless, Insulated Storage Tank, Pump & Control Minimum Gas Consumption Btu/h (kW/h) 10,300 (3.0) Maximum Gas Consumption Btu/h (kW/h) 199,000 (58.3) 192,000 (56.3)

Tank Volume

80 Gallons

(303 Liters)

Uniform Energy Factor (RL94i) 0.81

First Hour Delivery

259 Gallons

(980 Liters)

251 Gallons

(950 Liters) Temperature Setting 98° F (37° C) to 185° F (85° C) Product Weight 290 lb (132 kg) Noise level 49 dB

System Electrical Data

Normal 278 W Standby 44 W Anti-frost

Protection

300 W

Max Current 5.5 A

Fuse Tankless Engine - 10 A, System Controller - 10 A By-Pass Control Electronic Gas Supply Pressure 8.0 - 13.5 inch W.C. 4.0 - 10.5 inch W.C. 4.0 - 10.5 inch W.C.

Connections

Gas Supply Inlet - 3/4 in. MNPT

Hot Water Outlet - 1-1/2 in. MNPT

Cold Water Inlet - 1-1/2 in. MNPT

Ignition System

Direct Electronic Ignition

Electric Connections

Appliance: AC 120 Volts, 60Hz.

Integrated Temperature Controller: DC 12 Volts (Digital)

Water Temperature Control

Simulation Feed forward and Feedback

Maximum Water Supply Pressure

150 PSI

Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels (RL94i)

Yes No Yes

RECOVERY CAPACITIES

U.S. GALLON/HR LITERS/HR AT TEMPERATURE RISE INDICATED

Tank Capacity

°F 30°F 40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F 140°F

°C 17°C 22°C 28°C 33°C 39°C 44°C 50°C 56°C 61°C 67°C 72°C 78°C

CHS19980HE

80 U.S.

Gals.

GPH 675 507 405 338 289 253 225 203 184 169 156 145

303 Liters LPH 2557 1917 1534 1278 1096 959 852 767 697 639 590 548

CHS19980HEX

80 U.S.

Gals.

GPH 652 489 391 326 279 244 217 195 178 163 150 140

303 Liters LPH 2467 1850 1480 1233 1057 925 822 740 673 617 569 529

C US

Low Lead Content

NSF/ANSI 372

SANITATION

RL94 Tankless Water Heater maintains the following certifications:

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