Rheem RTE 3 Use & Care Manual

Rheem RTE 3 Use & Care Manual

Electric tankless water heater

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Electric Tankless

Water Heaters

M E T
®
US
Complies with UL 499.
Printed in USA.
Use & Care Manual
With Installation Instructions for the Installer
The purpose of this manual is twofold:
one, to provide the installer with the basic
directions and recommendations for the proper
installation and adjustment of the water heater;
and two, for the owner–operator, to explain
the features, operation, safety precautions,
maintenance and troubleshooting of the water
heater. This manual also includes a parts list.
It is imperative that all persons who are
expected to install, operate or adjust this
water heater read the instructions carefully
so they may understand how to perform
these operations. If you do not understand
these instructions or any terms within it, seek
professional advice.
Any questions regarding the operation,
maintenance, service or warranty of this
water heater should be directed to the seller
from whom it was purchased. If additional
information is required, refer to the section on
"If you need service."
Do not destroy this manual. Please read
carefully and keep in a safe place for future
reference.
Recognize this symbol as an
!
indication of Important Safety
Information!
!
California Proposition 65 Warning:
This product contains chemicals
known to the State of California to
cause cancer, birth defects or other
reproductive harm.
AP15447 (10/10)

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Table of Contents
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Summary of Contents for Rheem RTE 3

  • Page 1: Water Heaters

    Use & Care Manual With Installation Instructions for the Installer Electric Tankless Water Heaters The purpose of this manual is twofold: one, to provide the installer with the basic directions and recommendations for the proper installation and adjustment of the water heater; and two, for the owner–operator, to explain the features, operation, safety precautions, maintenance and troubleshooting of the water...
  • Page 2: Table Of Contents

    Safety Information FOR YOUR RECORDS Safety Precautions ..3, 4 Write the model and serial numbers here: You can find them on a label on the appliance. Installation Instructions Staple sales slip or cancelled check here. Location ....5 Proof of the original purchase date is needed to obtain Heater Installation .
  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. DANGER! WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of water heater’s thermostat. Water temperatures above 125°F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured below.
  • Page 4: Safety Precautions

    IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. WARNING! For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of life.
  • Page 5: Location

    Installing the water heater. The location chosen for the water heater must take into consideration the following: Local Installation Regulations This water heater must be It is available from some local installed in accordance with libraries or can be purchased these instructions, local codes, from the National Fire Protection utility codes, utility company...
  • Page 6: Heater Installation

    Installing the water heater. 1. Thank you for your purchase 7. Open the main water valve and of the Electric Tankless let the water run for 2 minutes Water Heater. This is a quick through the unit to remove all air in the line.
  • Page 7: Mounting The Heater

    Location of Unit NOTICE: Unit must be installed in 2. Install the tankless water heater a vertical position ONLY with the in a frost free area. If frost may water fittings pointing horizontally, occur, remove the unit before Do not install the unit where it freezing temperatures set in.
  • Page 8: Water Connections

    Installing the water heater. Water Connections 1. All plumbing work must installation without a PTRV, it comply with national applicable should be installed on the hot state and local plumbing codes. water outlet side of unit. 2. Make certain that the cold water 6.
  • Page 9: Electrical Connections

    Purge Air From System WARNING: The heater chamber must be full of water After the unit is installed, open the water heater and piping. before the water heater is shut-off valve in the cold water turned on. The water heater A steady flow of water from the supply line.
  • Page 10: Operating Instructions

    Installation Checklist A. Water Heater Location ❑ Close to area of heated water demand. ❑ Indoors and protected from freezing temperatures. ❑ Area free of flammable vapors. ❑ Sufficient room to service heater. B. Water Supply ❑ Water heater completely filled with ❑ Water connections tight and free of water.
  • Page 11: Preparing For Operation

    Operating the water heater. Preparing the Water Heater for Operation WARNING: If the water heater has been Warning: Open hot water degree so that water flow is subjected to flood, fire, faucet for a few minutes until “typical” i.e. until the water or physical damage, turn flow is the same as that water flows in continuous and all...
  • Page 12: Maintenance

    Time/Temperature Relationship in Scalds Temperature Time To Produce a Serious Burn 120°F More than 5 minutes 125°F to 2 minutes 130°F About 30 seconds 135°F About 10 seconds 140°F Less than 5 seconds 145°F Less than 3 seconds 150°F About 1 seconds 155°F About 1 second...
  • Page 13 Notes:...
  • Page 14: Troubleshooting Tips

    Before You Call For Service… Troubleshooting Tips Save time and money! Review the chart on this page first and you may not need to call for service. Problem Possible Causes What To Do Not enough or A fuse is blown or a circuit Replace fuse or reset circuit breaker.
  • Page 15: Specifications

    Specifications: DIMENSIONS (inches / pounds) ELECTRICAL SPECIFICATIONS REQ. MAX POWER LENGTH WIDTH WEIGHT VOLTS BREAKER (AMP) WIRE 10-1/4 5-3/8 10-1/4 5-3/8 7-1/4 7-1/4 (2) 40 (2) 8 10-1/2 11-1/4 (2) 60 (2) 6 10-1/2 11-1/4 • Plumbing connections: 1/2 NPT •...
  • Page 16: If You Need Service

    IF YOU NEED SERVICE 1. Should you have any questions about your new water heater, or if it requires adjustment, repair, or routine maintenance, it is suggested that you first contact your installer, plumbing contractor or previously agreed upon service agency. In the event the firm has moved, or is unavailable, refer to the telephone directory, commercial listings or local utility for qualified service assistance.

Table of Contents