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Rheem RTE 18 Series Support Question

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Question posted by alastairmuir on October 23rd, 2016

Installation Wiring For Rheem Rete-18 Tankless Water Heater

Installation/instruction manual gives NO information on connecting to power supply. I understand I must isntall 2-40amp-220 breakers. Are both breakers to be wired the same?

Current Answers

Answer #1: Posted by waelsaidani1 on October 23rd, 2016 6:16 PM
This answer was accepted by the poster of the original question.
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Related Rheem RTE 18 Series Manual Pages

Brochure - Page 1

RHEEM TANKLESS ELECTRIC Hot Water Faster! Tankless Electric Water Heaters from Rheem
Brochure - Page 2

... Features • Compact design - RTE 3 RTE 7 RTE 9 RTE 13 RTE 18 RTE 27 Rheem Tankless ­Electric Water Heaters are available in six sizes to supply hot water to one, two or three fixtures in many applications. fits almost a­ nywhere • Continuous hot water on demand • Industry leading low-flow a­ ctivation • Power and external temperature controls •...
Brochure - Page 3

... 13 10 7-1/4 3-1/4 8 RTE 18 10-1/2 11-1/4 3-1/4 12 RTE 27 10-1/2 11-1/4 3-1/4 12 • Plumbing connections: 1/2 NPT • Minimum flow rate: 1/2 gal. min Electrical Specifications REcommended MAX POWER AWG Model Kw VOLTS BREAKER Size (AMP) WIRE RTE 3 3 120 30 29 10 RTE 7 7 240 30 29 10 RTE 9 9 240 40 38 8 RTE 13 13 240 60 54 6 RTE 18 18 240 (2) 40 75...
Brochure - Page 4

... policy of continuous progress and ­product ­improvement, Rheem reserves the right to make changes without notice. Rheem Water Heating and Heating & Cooling Products 101 Bell Road • Montgomery, AL 36117-4305 1-866-720-2076 • www.rheem.com Rheem Canada Ltd./Ltée • Water Heater Division 125 Edgeware Road, Unit 1, Brampton, Ontario L6Y 0P5...
Specifications - Page 1

... hot water is needed! RHEEM TANKLESS ELECTRIC Tankless Electric Water Heaters with Modulating Power Control from Rheem 10-Year Limited Heat Exchanger Warranty 1-Year Limited Parts Warranty See Residential Warranty Certificate for specifications. RTE 3 RTE 7 • Compact design - RTE 18, RTE 27 Tankless water heaters Continuous hot water See reverse for complete information.
Specifications - Page 2

...Ltée • Water Heater Division 125 Edgeware Road, Unit 1, Brampton, Ontario L6Y 0P5 Printed in U.S.A. 02/11 WP Form No. min. ELECTRIC TANKLESS SERIES Specifications DIMENSIONS (inches / pounds) MODEL LENGTH WIDTH RTE 3 10-1/4 5-3/8 RTE 7 10-1/4 5-3/8 RTE 9 10 7-1/4 RTE 13 10 7-1/4 RTE 18 10-1/2 11-1/4 RTE 27 10-1/2 11-1/4 • Plumbing connections: 1/2 NPT...
Use and Care Manual - Page 1

... or warranty of this symbol as an ! This manual also includes a parts list. indication of Important Safety Information! ! California Proposition 65 Warning: This product contains chemicals known to provide the installer with UL 499. AP15447 (08/09) Use & Care Manual With Installation Instructions for the Installer Electric Tankless Water Heaters MET ® US Complies with the basic...
Use and Care Manual - Page 2

... manual and on your part can save you will find them on a label on how to use and maintain your water heater ...water heater. Staple sales slip or cancelled check here. Safety Information Safety Precautions. . . . . 3, 4 Installation Instructions Location 5 Heater Installation 6 Mounting the Heater. . . . . 7 Water Connections 8 Electrical Connections. . . . 9 Operating Instructions...
Use and Care Manual - Page 3

... on the front of the water heater. To comply with "HOT" water. Feel water before the water heater was shipped from scalds. Temperature limiting valves are available for detailed instructions in branch water lines. NOTICE: Mixing valves are available, see manual. Thermostat dial pointer Refer to the Operating Instructions in this manual for reducing point of Shriners...
Use and Care Manual - Page 4

... you have problems understanding the instructions in this manual, or have any part of the circuit breaker and how to shut it is properly installed in this manual must be obtained from a qualified service technician, or the local electric utility. However, applicable local codes shall govern installation. IMPORTANT SAFETY INFORMATION. For residential water heaters up to earthquake...
Use and Care Manual - Page 5

... water. The water heater and water lines should be installed in accordance with these instructions, local codes, utility codes, utility company requirements or, in outdoor, unprotected areas. Installing the water heater. Check the markings on the rating plate of the water heater to be purchased from freezing temperatures. Long uninsulated hot water lines can be certain the power supply...
Use and Care Manual - Page 6

...completely shut off all mounting hardware and instruction manuals are present. Install the water lines to the tankless water heater using supplied compression fittings. (See Figure 2.) 7. Open the main water valve and let the water run for guidance. 2. Remove the unit from the box before continuing. Remember you for appropriate wire gauge and breaker size. (This step should be completed...
Use and Care Manual - Page 7

... screws and supporting brackets in . 3. Leave a minimum of 12" of clearance on top and bottom of longer screws may result. 1. Install the tankless water heater as close as possible to the shower stall. 2. Install the tankless water heater in the mounting kit. Make sure to use of the unit for example, directly beneath the sink or next to...
Use and Care Manual - Page 8

... leaks and take corrective action before connecting the electrical supply. Installing the water heater. If the local inspector will not pass the installation without a PTRV, it should be installed on copper pipes near the tankless water heater may cause damage. 5. Tankless water heaters are designed exclusively for maintenance purposes. 4. Cold water connection (inlet) is on the right side...
Use and Care Manual - Page 9

... conductor shall include a separate conductor for the correct wire and circuit breaker size. All mounting and plumbing must conform to wiring diagrams in the cold water supply line. can cause the water heater to electrically ground unit may result in the piping and water heater does not provide sufficient conduction for field wiring connections. All electrical work on the front of...
Use and Care Manual - Page 10

... heater if cold water supply shut-off valve is closed. If there is any difficulty in understanding or following the Operating Instructions or the Care and Cleaning section, it is recommended that a qualified person or serviceman perform the work. 10 D. Wiring ❑ Power Supply voltage agrees with water heater rating plate. ❑ Branch circuit wire and fusing or circuit breaker...
Use and Care Manual - Page 11

... not energized. If temperature is "typical" i.e. Be sure to the water heater. The chart on circuit breaker to bring electrical power to the unit. 3. Open hot water faucet to prevent contact with small children, disabled, or elderly persons may be considered when selecting the water temperature setting of the next page may require a 120°F or...
Use and Care Manual - Page 12

...Produce a Serious Burn More than 3 seconds About 11/2 seconds About 1 second Normal Maintenance Tankless water heaters are designed for a very long service life. It is recommended to 2 minutes About 30 ...followed by the user. 12 Routine Preventative Maintenance Properly maintained, your water heater will vary with water quality and use. The unit itself does not require any regular maintenance...
Use and Care Manual - Page 14

... your home may be off. ● Make sure electric supply to call for service. Refer repairs to heat. Review the chart on this page first and you may ● See the Temperature regulation of this manual. Improper wiring. ● See the Installing the water heater section of electrical wiring, thermostats, heating elements or other safety devices. Troubleshooting...
Use and Care Manual - Page 16

... agreed upon service agency. Date of installer and any service agency who have any service work was performed. Details of the heater. d. e. f. Model and serial number of the water heater as shown on the water heater. b. Should you should then contact the Manufacturer's National Service Department at the following information will be solved to the telephone directory...

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