Rheem RTE 3 User Manual Download Page 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 local codes, the latest edition 

of the National Electrical Code. 

It is available from some local 

libraries or can be purchased 

from the National Fire Protection 

Association, Batterymarch park, 

Quincy, MA 02269 as booklet 

ANSI/NFPA 70.

Location

Locate the water heater in a clean 

dry area as near as practical to 

the area of greatest heated water 

demand. Long uninsulated hot water 

lines can waste energy and water. 

The water heater and water 

lines should be protected from 

freezing temperatures. Do not 

install the water heater in outdoor, 

unprotected areas.

5

Inspect Shipment

Inspect the water heater for 

possible damage.
Check the markings on the 

rating plate of the water heater 

to be certain the power supply 

corresponds to the water heater 

requirements.

Summary of Contents for RTE 3

Page 1: ...f 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...

Page 2: ...e Before You Call For Service section If you review our chart of Troubleshooting Tips first you may not need to call for service at all READ THIS MANUAL Your safety and the safety of others are very i...

Page 3: ...anual for detailed instructions in how to adjust the thermostat s DANGER Hotter water increases the potential for Hot Water SCALDS D A N G E R HOT Water temperature over 125 F can cause severe burns i...

Page 4: ...generic earthquake bracing instructions can be obtained from Office of the State Architect 1102 Q Street Suite 5100 Sacramento CA 95814 or you may call 916 445 8100 or ask a water heater dealer Howeve...

Page 5: ...om the National Fire Protection Association Batterymarch park Quincy MA 02269 as booklet ANSI NFPA 70 Location Locate the water heater in a clean dry area as near as practical to the area of greatest...

Page 6: ...water heater 5 Mount unit to wall at selected location See Figure 1 6 Install the water lines to the tankless water heater using supplied compression fittings See Figure 2 7 Open the main water valve...

Page 7: ...rost may occur remove the unit before freezing temperatures set in 3 Leave a minimum of 12 of clearance on top and bottom of the unit for servicing Mounting The Water Heater Mounting kit contains shee...

Page 8: ...red to be equipped with a Pressure and Temperature Relief Valve PTRV If the local inspector will not pass the installation without a PTRV it should be installed on the hot water outlet side of unit 6...

Page 9: ...l Electric Code Refer to wiring diagrams in this manual for field wiring connections WARNING The heater chamber must be full of water before the water heater is turned on The water heater warranty doe...

Page 10: ...g plate Branch circuit wire and fusing or circuit breaker of proper size Electrical connections tight and unit properly grounded Operating the water heater Safety Precautions Do turn off power to wate...

Page 11: ...on top of the next page may be used as a guide in determining the proper water temperature for your home Operating the water heater Preparing the Water Heater for Operation Warning Open hot water fau...

Page 12: ...operly 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 Normal M...

Page 13: ...13 Notes...

Page 14: ...ing or open hot Make sure all faucets are closed water faucets Electric service to your Contact the local electric utility home may be interrupted Improper wiring See the Installing the water heater s...

Page 15: ...40 60 54 6 18 240 2 40 75 2 8 27 240 2 60 112 2 6 ELECTRICAL SPECIFICATIONS MINIMUM MAX ACTIVATION FLOW KW FLOW RATE RATE GPM GPM 240V 20 30 40 50 60 70 80 90 100 0 4 1 5 1 5 1 0 0 7 0 5 0 4 2 5 7 2 5...

Page 16: ...act the Manufacturer s National Service Department at the following address 1241 Carwood Court Montgomery Alabama 36117 Phone 1 800 432 8373 When contacting the manufacturer the following information...

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