Rheem XE40H06TT45U0- User Manual

5 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 installed in accordance with these instructions, local codes, utility codes, utility company requirements or, in the absence of ...

6 Installing the water heater Thermal Expansion Determine if a check valve exists in the inlet water line. It may have been installed in the cold water line as a separate back flow preventer, or it may be part of a pressure reducing valve, water meter or water softener. A check valve located in the ...

7 Typical Installation WARNING: The pressure rating of the relief valve must not exceed 150 PSI, the maximum working pressure of the water heater as marked on the rating plate. Relief Valve The Btuh rating of the relief valve must not be less than the input rating of the water heater as indicated on...

8 CAUTION: The presence of water in the piping and water heater does not provide sufficient conduction for a ground. Non-metallic piping, dielectric unions, flexible connectors etc. can cause the water heater to be electrically isolated. Electrical Connections A separate branch circuit with copper c...

9 NOTICE: This guide recommends minimum branch circuit sizing and wire size based on National Electric Code. Refer to wiring diagrams in this manual for field wiring connections. Branch Circuit Sizing and Wire Size Guide Total Water Recommended Over Current Protection Copper Wire Size AWG Based Heat...

10 Installation Checklist A. Water Heater Location B. Water Supply C. Relief Valve D. Wiring ❑ Close to area of heated water demand. ❑ Indoors and protected from freezing temperatures. ❑ Area free of flammable vapors. ❑ Provisions made to protect area from water damage. ❑ Sufficient room to service ...

11 Safety Precautions Do turn off power to water heater if it has been subjected to over heating, fire, flood, physical damage. DO NOT turn on water heater unless it is filled with water. DO NOT turn on water heater if cold water supply shut-off valve is closed. If there is any difficulty in underst...

12 Time/Temperature Relationship in Scalds Temperature Time To Produce a Serious Burn 120°F More than 5 minutes 125°F 1 1 / 2 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 1 / 2 seconds 155°F About 1 second Table courtesy...

13 Care and cleaning of the water heater Draining the Water Heater CAUTION: Shut off power to the water heater before draining water. DANGER: Before manually operating the relief valve, make certain no one will be exposed to the hot water released by the valve. The water drained from the tank may be...

14 Problem Possible Causes What To Do Rumbling noise Water conditions in your ● Remove and clean the heating elements. home caused a build up of scale or mineral deposits on the heating elements. Relief valve Pressure build up caused ● This is an unacceptable condition and must be producing popping ...

15 Replacement Parts For 40 Gallon Table Top Models with Single and Double Elements . Instructions For Placing a Parts Order Address parts orders to the distributor or store where the heater was purchased.All parts orders should include: The model and serial number of the water heater from the ratin...

16 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 ...

17 NOTICE FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California Law requires that residential water heaters must be braced, anchored or strapped to resist falling or hori- zontal displacement due to earthquake motions. For residential water heaters up to 52 gallon capacity, a brochure with generic...

20 THIS ELECTRIC WATER HEATER IS WIRED AS INDICATED ABOVE OR BELOW Wiring Diagrams Electric Water Heaters for 3 - Phase Applications Therm-O-Disc Thermostats (Type 59T) Fo r t h e c o n n e c t i o n o f t h i s wa t e r h e a t e r t o a 3 - P h a s e B r a n c h C i r c u i t , c o n n e c t fi e ...