Rheem Marathon Series Use and Care Manual
Rheem Marathon Series Manual
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- Rheem Marathon Series | Use and Care Manual - Page 1
Use & Care Manual With Installation Instructions for the Installer Electric Water Heaters Single and Double Element Models, 15-105 Gallon III!III III!III The purpose of this manual is twofold: one, to provide the installer with the basic directions and recommendations for the proper - Rheem Marathon Series | Use and Care Manual - Page 2
use and maintain your water heater properly. Just a little preventive care on your part can save you a great deal of time and money over the life of your water heater. You'll find many answers to common problems in the Before You Call For Service section. If you review our chart of Troubleshooting - Rheem Marathon Series | Use and Care Manual - Page 3
instruction manual before setting temperature at water heater. Feel water before bathing or showering. Temperature limiting valves are available, see manual. NOTICE: Mixing valves are available for reducing point of use water may be used as a guide in determining the proper water temperature for - Rheem Marathon Series | Use and Care Manual - Page 4
the entire Use and Care Manual before attempting to install or operate this water heater. It may save you time and cost. Pay particular attention to the Safety Instructions. Failure to follow these warnings could result in serious bodily injury or death. Should you have problems understanding the - Rheem Marathon Series | Use and Care Manual - Page 5
the floor underneath the water heater is strong enough to sufficiently support the weight of the water heater once it is filled with water. Unit Capacity (Gallons) 15 20 30 40 50 50S 75 85 105 Unit Capacity (Imperial Gallons) 13 17 25 33 42 63 71 88 Dimensions (Inches) Height 1 Diameter 35 - Rheem Marathon Series | Use and Care Manual - Page 6
failure of the relief valve, and possibly the heater itself. Replacing the relief valve will not correct the problem! The suggested method of controlling thermal expansion is to install an expansion tank in the cold water line between the water heater and the check valve (refer to the illustration - Rheem Marathon Series | Use and Care Manual - Page 7
any reason. Doing so will void the manufacturer's warranty. Vacuum Relief Valve The vacuum relief valve, which must be used when installing the water heater, is factory installed. The cold water inlet has a vacuum relief valve connected to it. Certain conditions in the field may produce a vacuum or - Rheem Marathon Series | Use and Care Manual - Page 8
provided with the water heater will void the manufacturer's warranty. SOLDER WITH CARE!!! If sweat connections are used, do NOT apply before attaching to the water heater to avoid damaging the unit. ! WARNING: Failure to follow the instructions provided in this manual may permanently damage the - Rheem Marathon Series | Use and Care Manual - Page 9
Outlet Cold Inlet Shut Off Seal Ring (Inside nut) Hex Union Nut (Relief Valve) Top of Water Heater Junction Box III!III Support the relief valve drain pipe using metal strapping or wire fastened to the structure overhead Heat Trap 6" Minimum Union (The addition of a union at this point will - Rheem Marathon Series | Use and Care Manual - Page 10
sheathed cable, metallic conduit or metallic sheathed cable not approved for use as a ground conductor shall include a separate conductor for grounding. It should be attached to the ground terminals of the water heater and the electrical distribution box. Non - Metallic Sheathed Cable with separate - Rheem Marathon Series | Use and Care Manual - Page 11
Single Phase Wiring Branch Circuit Sizing and Wire Size Guide Total Water Heater Wattage 2,000 3,000 3,800 4,500 Recommended Over Current 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 - Rheem Marathon Series | Use and Care Manual - Page 12
external application of insulation blanket kits the manufacturer's instructions included with the kit must be carefully followed. Insulation Blankets Insulation blankets, available to the general public, for external use on electric water heaters are not necessary. The purpose of an insulation - Rheem Marathon Series | Use and Care Manual - Page 13
free of flammable vapors. ❑ Provisions made to protect area from water damage. ❑ Sufficient room to service heater. B. Water Supply ❑ Water heater completely filled with water. ❑ Air purged from water heater and piping. ❑ Water connections tight and free of leaks. C. Relief Valve ❑ Temperature - Rheem Marathon Series | Use and Care Manual - Page 14
, 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 understanding or following the Operating Instructions or the Care and Cleaning section, it is recommended that - Rheem Marathon Series | Use and Care Manual - Page 15
SERVICING Top Thermostat or Single Thermostat Models Bottom Thermostat (Dual Thermostat Models) LOW ≈ 90°F (32° C) Water Temperature MED ≈ 120°F (49° C) Water Temperature HIGH ≈ 150°F (66° C) Water Temperature It is important that the fiberglass insulation is replaced to maintain water heater - Rheem Marathon Series | Use and Care Manual - Page 16
valve. Close the relief valve. NOTICE: Additional instructions for draining the unit are located on the water heater. Please reference the "To Fill the Water Heater" section (see page 8) for instructions on how to refill the unit. DANGER: Before manually operating the relief valve, make certain no - Rheem Marathon Series | Use and Care Manual - Page 17
supply to water heater and disconnect switch, if used, are in the ON position. The thermostat may be set too low. See the Temperature regulation of the water heater section of this manual. Leaking or open hot water faucets. Make sure all faucets are closed. Electric service to your - Rheem Marathon Series | Use and Care Manual - Page 18
Protector Lower Access Panel Lower Heating Element (Includes Key No. 20) Drain Valve 5/16-18 Cap Screw Lock Washer Element Wrench Pipe Wrap Energy Kit Use and Care Manual Not Illustrated 18 - Rheem Marathon Series | Use and Care Manual - Page 19
Replacement Parts. 30-105 gallon models. 65 7 8 9 10 11 12 13 15 14 16 20 18 17 21 19 24 18 17 19 23 22 15 14 25 20 3 7 26 19 - Rheem Marathon Series | Use and Care Manual - Page 20
Replacement Parts. 15-20 gallon models. 20 - Rheem Marathon Series | Use and Care Manual - Page 21
water faucet and allow water to flow until the water is cold. 3. Empty the water out of the unit by following the instructions given in the "Draining the Water Heater" section (see page 16) of this manual insulation exposing the thermostat and element. Use care when removing the insulation pads. 6. - Rheem Marathon Series | Use and Care Manual - Page 22
improper installation or failure to operate and maintain the water heater in accordance with the manufac- turer's instructions provided. d) Performance problems caused by improper sizing of the water heater or electric service voltage, wiring, or fusing. e) Damages, malfunctions, or failures caused - Rheem Marathon Series | Use and Care Manual - Page 23
Water Heater Innovations Technical Service person you call with the complete model number, the complete serial number, and the date of installation of your water heater in addition to an explanation of your water heater problem of installation of the Marathon water heater from which the defective - Rheem Marathon Series | Use and Care Manual - Page 24
FOR YOUR RECORDS Owner Information Name Address Plumber / Mechanical Contractor - Installer Information Name Address Water Heater Information Model Number Serial Number NOTES: Telephone Number Date of Installation 24
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Water Heaters
Electric
The purpose of this manual is twofold:
one, to provide the installer with the basic
directions and recommendations for the proper
installation and adjustment of the water heater;
and two, for the owner–operator, to explain
the features, operation, safety precautions,
maintenance and troubleshooting of the water
heater. This manual also includes a parts list.
It is imperative that all persons who are
expected to install, operate or adjust this
water heater read the instructions carefully
so they may understand how to perform
these operations. If 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 to the seller
from whom it was purchased. If additional
information is required, refer to the warranty.
Do not destroy this manual. Please read
carefully and keep in a safe place for future
reference.
!
Recognize this symbol as an
indication of Important Safety
Information!
!
California Proposition 65 Warning:
This product contains chemicals
known to the State of California to
cause cancer, birth defects or other
reproductive harm.
Single and Double Element Models,
15–105 Gallon
1298-001
(01/10)
Printed in USA
Use & Care Manual
With Installation Instructions for the Installer
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