Instruction/ maintenance manual of the product 72V40-2 Rheem
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W ater Heaters Electric For Manufactured Housing (Mobile Home) The purpose of this manual is twofold: one, to provide the installer with the basic directions and recommendations for the proper install.
Safety Information Safety Precautions . . . . . . 3, 4 Installation Instructions Location . . . . . . . . . . . . . . . . 5 W ater Connections . . . . . . . . 6 Electrical Connections . . . . . 9 Operating Instructions Safety Controls . . . . . . . . .
Time/T emperatur e Relationship in Scalds T emperature Time T o 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 Les.
4 IMPOR T ANT SAFETY INFORMA TION. READ ALL INSTRUCTIONS BEFORE USING . W ARNING! For your safety , the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent pr operty damage, personal injury , or loss of life.
Installing the water heater . The location chosen for the water heater must take into consideration the following: Local Installation Regulations The installation of this water heater must be in accor.
Installing the water heater . 6 Thermal Expansion W ater Supply Connections NOTICE: Do not apply heat to the HOT or COLD water connections. If sweat connections are used, sweat tubing to adapter before fitting adapter to the water connections on heater .
W ARNING: The pr essure rating of the relief valve must not exceed 150 PSI, the maximum working pressur e of the water heater as marked on the rating plate. A new combination temperatur e and pressur e relief valve, complying with the S tandard for Relief V alves and Automatic Gas Shut-Off Devices for Hot W ater Supply Systems, ANSI Z21.
8 Installing the water heater . T ypical Side Connect Installation Anode T o electrical distribution panel Electrical junction box (use only copper conductors) T emperature & pressur e relief valve Union T o cold water supply Relief valve discharge line.
9 Branch Cir cuit Sizing and W ire Size Guide T otal W ater Recommended Over Curr ent Pr otection Copper Wir e Size A WG Based Heater W attage (fuse or circuit breaker amperage rating) on N.
10 Installing the water heater . For increased energy ef ficiency , some water heaters have been supplied with two 24” sections of pipe insulation. Please install the insulation, according to the illustrations above, that best meets your requirements.
Heat T rap For increased energy ef ficiency , some water heaters have been supplied with factory installed internal or external heat traps in the hot outlet and cold water inlet openings. NOTICE: Do not apply heat to the HOT or COLD water connections.
12 Safety Pr ecautions 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.
13 If adjustment is necessary… T urn off the power to the water heater . Remove the jacket access panel(s) and insulation exposing the thermostat(s). The thermostat protective cover(s) should not be removed. Using a small screwdriver , set the thermostat(s) dial pointer(s) to the desired temperature.
Routine Pr eventative Maintenance Properly maintained, your water heater will provide years of dependable trouble- free service. It is suggested that a routine preventive maintenance program be established and followed by the user .
15 V acation and Extended Shut-Down If the water heater is to remain idle for an extended period of time, the power and water to the appliance should be turned off to conserve energy and prevent a build-up of dangerous hydrogen gas. The water heater and piping should be drained if they might be subjected to freezing temperatures.
Problem Possible Causes What T o Do Rumbling noise W ater 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 by thermal expansion corrected.
17 Replacement Parts. For 20–52 gallon models with single or double elements. T UR N O F F PO W E R B E F O R E SE R V IC IN G 1 40 1 3 0 1 2 0 11 0 1 0 0 9 0 T H E R M - O - D I S C R E S E T R E S.
18 Cavity Insert Instructions The following instructions ar e intended for qualified service personnel ONL Y , and should only be done when necessary . In order to replace the thermostat or heating element, remove the cavity insert crossbar by following the instructions below: T urn off the power to the water heater .
19 IF YOU NEED SER VICE 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 .
20 Grounding conductor may be required. Refer to W iring Section of Manual * This water heater is factory equipped for two (2) wire connection to electrical power . For use with "off-peak" meter (timer) remov e wire nut from red and black leads and connect to "off-peak" meter (timer).
An important point after buying a device Rheem 72V40-2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Rheem 72V40-2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Rheem 72V40-2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Rheem 72V40-2 you will learn all the available features of the product, as well as information on its operation. The information that you get Rheem 72V40-2 will certainly help you make a decision on the purchase.
If you already are a holder of Rheem 72V40-2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Rheem 72V40-2.
However, one of the most important roles played by the user manual is to help in solving problems with Rheem 72V40-2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Rheem 72V40-2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
