Operating Instructions

FOR YOUR SAFETY READ BEFORE OPERATING

If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.

A.This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

B.BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance.

Do not touch any electric switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, do not try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.

D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.

OPERATING INSTRUCTIONS

1.STOP! Read the safety information above.

2.Set the thermostat to lowest setting.

3.Turn off all electric power to the appliance using the ON/OFF button.

4.This appliance is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand.

5.Locate the manual gas valve on the side of the heater. Turn the manual valve

clockwise to the full OFF position.

Manual Valve

CLOSE OPEN

6.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell

gas, STOP! Follow “B” in the safety information above. If you don,t smell gas, go to the next step.

7.Turn the manual gas valve counterclockwise to the

full ON position.

8.Turn on all electric power to the appliance using the ON/OFF button.

9.Set the thermostat to desired setting.

10.Open a hot water tap. If the appliance will not operate, follow the instructions “To Turn Off Gas To Appliance” and call your service technician or gas supplier. See manual for additional information.

TO TURN OFF GAS TO APPLIANCE

1.Turn off all electric power to the appliance using the ON/OFF button.

2.Set the thermostat to lowest setting.

3.Locate the manual gas valve on the side of the heater. Turn the manual valve clockwise to the full

OFF position.

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Rinnai REU-VA3237FFU installation manual Operating Instructions, For Your Safety Read Before Operating

REU-VA3237FFU specifications

The Rinnai REU-VA3237FFU is a high-efficiency gas continuous flow water heater designed to provide instant hot water on demand. It is particularly well-suited for households that require a reliable source of hot water while maximizing energy savings. This unit boasts impressive features that set it apart in the market, catering to both residential and commercial applications.

One of the standout characteristics of the REU-VA3237FFU is its energy-efficient design. With an impressive energy factor of 0.89, this model delivers exceptional performance, maximizing energy use and minimizing waste. The continuous flow technology means that there is virtually no wait time for hot water, making it ideal for busy households with multiple points of use.

The REU-VA3237FFU employs advanced temperature control technology. It features an intelligent digital controller that allows users to easily set their desired water temperature. This ensures consistent delivery of hot water at the desired temperature, enhancing comfort while also promoting safety by reducing the risk of scalding. The model also incorporates a safety lock function that can prevent accidental changes to the temperature setting.

In terms of durability and design, the Rinnai REU-VA3237FFU showcases high-quality build materials that contribute to its longevity. The stainless steel heat exchanger is resistant to corrosion, ensuring a long life expectancy and reliable performance over time. Additionally, the compact design makes it easy to install in tight spaces, whether indoors or outdoors, adapting to various installation environments.

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In summary, the Rinnai REU-VA3237FFU is a standout continuous flow water heater that combines energy efficiency, durability, and advanced technology. With its smart temperature control, compact design, and environmentally friendly features, it is an outstanding choice for anyone seeking a dependable and efficient hot water solution.