Table of Contents
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Non-Metallic Electric Water Heater
USE & CARE MANUAL
WITH INSTALLATION INSTRUCTIONS FOR THE INSTALLER
Residential Electric Models
15 - 20 Gallon Point-of-Use
The purpose of this manual is twofold: one, for the installer,
to provide requirements and recommendations for the prop-
er installation and adjustment of the water heater; and two,
for the owner-operator, to explain the features, operation,
safety precautions, maintenance and trouble shooting of
the water heater. This manual also includes a parts list sup-
plement.
It is imperative that all persons who are expected to install,
maintain, operate or adjust this water heater read the
instructions carefully so that they may understand how to
do so.
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Recognize this symbol as an Indication of
Important Safety Information!
Do Not Destroy this Manual. Please read
carefully and keep in a safe place for
Future Reference.
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Table of Contents
Related Manuals for Rheem Residential Electric Models
Summary of Contents for Rheem Residential Electric Models
- Page 1 Non-Metallic Electric Water Heater USE & CARE MANUAL WITH INSTALLATION INSTRUCTIONS FOR THE INSTALLER Residential Electric Models 15 - 20 Gallon Point-of-Use ■■■✦■■■ ■■■✦■■■ The purpose of this manual is twofold: one, for the installer, to provide requirements and recommendations for the prop- Recognize this symbol as an Indication of er installation and adjustment of the water heater;...
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Page 2: Table Of Contents
Table of Contents General Safety Precautions ............. . . 1 Introduction . -
Page 3: General Safety Precautions
General Safety Precautions Be sure to read and understand the entire Use & Care Manual before attempting to install or operate this water heater. It may save you time and cost. Pay particular attention to the General Safety Precautions. Failure to follow these warnings could result in serious bodily injury or death . Should you have problems understanding the instructions in this manual, or have any questions, STOP, and get help from a qualified installer, service technician, or the local electric utility. -
Page 4: Introduction
Introduction Thank you for buying your non-metallic electric water heater. Your new water heater is made of the latest materials and will not rust or corrode. It will give many years of hot water service when installed, operated and maintained according to the instructions in this manual. - Page 5 Installation WATER HEATER Shut-Off Hot Water Cold Water Valve Outlet INSTALLATION KIT Inlet Hot Water Shut-Off Outlet Cold Water Valve Inlet 90° Elbow Flexible 90° Elbow Connector Flexible Flexible Flexible Connector Connector Connector T & P T & P Relief Relief Vacuum Valve Ass’y Vacuum Valve Ass’y...
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Page 6: Water Supply Connections
Installation 3. WATER SUPPLY CONNECTIONS — Refer to Fig. 2 for suggested typi- 4. RELIEF VALVE — A relief valve is essential for safety and to protect the water heater. Too high of a temperature and/or pressure could cause the cal installation. -
Page 7: Drain Valve
Installation To prevent stress on the relief valve fitting, which may damage the tank, support the drain pipe using metal strapping or similar method to an over- head point. Refer to Figure 3 for typical strapping method. Main Fuse or Metallic Conduit or Metal Sheathed Circuit Breaker Panel NOTE: Local codes shall govern the installation of relief valves. -
Page 8: Wiring Diagrams
Installation qualified electrician. The voltage requirements and wattage load for the The complete wiring schematic diagram for 240 Volt and 120 Volt water heater is specified on the rating plate on front of heater. Be certain units is shown below in Figure 6 & 7. that the power supply provided is equivalent to that marked on the water From 240 V heater’s rating plate. -
Page 9: Installation Checklist
Installation • Do not cover operating or warning labels attached to the CAUTION water heater nor attempt to relocate them on exterior of insu- lation blanket. If local codes require external application of insulation blanket kits the manufacturer’s instructions included with the kit must be care- WARNING fully followed. -
Page 10: Operation
Operation SAFETY PRECAUTIONS A. Do turn off power to water heater if it has been subjected to over heating, CAUTION fire, flood or physical damage. B. Do Not turn on water heater unless it is completely filled with water. NEVER use this water heater unless it is completely full of water. To prevent damage to the tank and heating elements the tank C. -
Page 11: Safety Controls
Operation B. Remove the four (4) screws securing the thermostat access panel and Limit Switch the two (2) thermostat insulation pads, exposing the thermostat. The plastic personnel protector should not be removed . These terminals are not C. With a small screwdriver, adjust the thermostat setting. The 120°F fac- Reset Button used for 120V models. -
Page 12: Draining The Water Heater
Operation After a very long shut-down period, the water heater’s operation and con- DANGER trols should be checked by qualified service personnel. Make certain the water heater is completely filled before again placing it in operation . The water drained from the tank may be hot enough to present a SCALD HAZARD and should be directed to a suitable drain to pre- 6. -
Page 13: Maintenance
Maintenance Properly maintained, your new, non-metallic water heater will provide years of hammer” can be described as a banging noise heard in a water pipe dependable trouble-free service. It is suggested that a routine preventive main- following an abrupt alteration of the flow with resulting pressure surges. tenance program be established and followed by the user. -
Page 14: Heating Elements
Maintenance 3. HEATING ELEMENTS — G. To expose the element for removal, lift up the hinged portion of the ther- mostat protective cover by gently pulling the lower corners up and away Most water supplies will cause scale or mineral deposits to form on the from the thermostat. -
Page 15: Trouble Shooting Guide
Maintenance CAUTION Drain Valve Tank MUST BE full of water before power is turned on. Heating ele- ment(s) WlLL BE DAMAGED if energized for even a short time Floor Drain while tank is dry. The water heater’s warranty does not cover dam- (or other suitable drain) age or failure resulting from operation with an empty or partially empty tank. - Page 16 Trouble Shooting Guide (cont’d) NATURE OF TROUBLE POSSIBLE CAUSE SERVICE Water too hot or not 3. Thermostat access panel(s) and/or insulation not in place Inspect and replace as needed hot enough (cont’d) 4. Thermostat(s) not resting tightly against mounting plate Inspect and insure that retaining spring(s) or mounting screws hold thermostat(s) tightly to mounting plates.