Rinnai RLX94I User Manual

RLX94i (VC2737FFUD-US) Nat. Gas Unit

Type of Appliance

Rinnai Model Number

Minimum/Maximum Gas Rate (Input)

Electrical

Electrical Consumption

Amperage

Ignition System

Hot Water Capacity

Temperature

Temperature (without remote)

Installation

Energy Factor

Service Connections

Isolation & Pressure Relief Valves Included

Water Flow Control

Minimum/Maximum Water Supply Pressure

 Temperature controlled, continuous flow, gas hot water system  Certified for installation in manufactured (mobile) homes  Forced combustion / Direct vent  Energy Star qualified

REU-VC2737FFUD-US

10,300 - 192,000 BTU/h (3.02-56.3kWh)

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

Normal: 97 w Standby: 2 w Anti-frost protection: 120 w

Max with pump: 8A Max without pump: 4A Fuse: 10A

Direct electronic ignition

Minimum flow rate: 0.26 GPM (1 l/min) Minimum activation flow rate: 0.4 GPM (1.5l /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) ; 98° - 185°F (37°- 85°C) available with the MCC-91-2 controller for commercial and hydronic applications

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

Indoor only

Natural Gas: 0.82

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 Webstone Isolator valves EXP E2, certified to NSF/ ANSI 61-8 for potable water, rated up to 200,000BTU and 150psi

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

20 - 150 PSI (138-1035KPa) (recommended 30-80 PSI (207– 552KPa) for maximum 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)

10.0

FLOW TABLE

Water Flow gpm (l/min)

(34.1)

9.0

(30.3)

8.0

(26.5)

7.0

(22.7)

6.0

(19.0)

5.0

(15.1)

4.0

(11.4)

3.0

(7.6)

2.0

(3.8)

1.0

0.0

(13.9)

delta T - Temperature Rise ºF (ºC)

RLX94i VC SP 7/2014

(27.8)

(41.6)

100

(55.6)

125

(69.4)

150

(83.3)

RLX94i (VC2737FFUD-US) Nat. Gas Unit

Water Temperature Control

Controller

Controller Cable

Safety Devices

Clearances from Combustibles (suitable for closet, attic, and crawl space installations)

Clearances from Non-combustibles

Min. / Max. Gas Supply Pressure (sea level)

Manifold Gas Pressure (inches W.C.)

NOx

Simulation feed forward and feedback

MC-91-2US (part of the front panel) Deluxe controller: MC-100V-1US (optional) Bathroom controller: BC-100V-1US (optional) MCC-91-2US (optional; for hydronic and commercial applications)

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 (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 inch (12.7mm)

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

 Back of heater - 0 inches  Ground / bottom - 12 inches (304.8mm)  From vent pipe - 0 inches

Natural Gas: min 4” W.C. (2.5mbar) max 10.5” W.C. (26.1mbar)

Natural Gas: high fire 2.93” W.C. (7.3mbar) Low fire 0.61” W.C. (1.5mbar)

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

Limited Warranty

DIMENSIONS

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 on-demand recirculation system is not incorporated.) Refer to the manual for complete warranty information.

WEIGHT: 46.3 lb (21.0 kg)

14.04 (356.6)

9.27 (235.5)

5.05 (128.1)

0.4~1.8 (10~45) Variable

2.67 (67.8)

22.95 (583)

DIMEN-

SION

A (GAS)

A (COLD)

A (HOT)

Inches (mm)

1.31 (33.2)

1.93 (49)

1.35 (34.4)

4.21 (106.9)

1.17 (29.8)

DIMEN-

SION

Inches (mm)

4.33 (110)

2.89 (73.3)

1.85 (47)

3.44 (87.3)

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