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Use & Care Manual
With Installation Instructions for the Installer
Marathon Thermal Storage Tanks
50, 85, & 105 Gallon
The purpose of this manual is twofold:
one, to provide the installer with the basic
directions and recommendations for the
proper installation of the storage tank;; and
two, for the owner–operator, to explain
the features, operation, safety precautions,
maintenance and troubleshooting of the
!!!"!!!
storage tank.
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Safety Information FOR YOUR RECORDS Safety Precautions ....... 2,3 Write the model and serial numbers here: # # Installation Instructions You can find them on a label on the appliance. Location ................. 4 Staple sales slip or cancelled check h ere. Water Supply Connection . s . 7 Proof of the original purchase date is needed to obtain service under the warranty. READ THIS MANUAL Inside you will find many helpful hints on how to
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IMPORTANT SAFETY INFORMATION. READ ALL INSTRUCTIONS BEFORE USING. WARNING! For your safety, the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury, or loss of life. Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this storage tank. It may save you time and cost. Pay particular
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Installing the storage tank. Local Installation Regulations This storage tank must be installed in In order to meet NSF International accordance with these instructions, requirements for Standard 5, the local or federal codes. base of the storage tank must be sealed to the floor to prevent seepage If the storage tank is to be installed in underneath. Apply a 3/8" bead of a restaurant, or other location where RTV Silicone
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Thermal Expansion Determine if a check valve exists in the inlet pressure increase in the storage tank and water line. Check with your local water utilitysystem . piping. This rapid pressure increase can It may have been installed in the cold water quickly reach the safety setting of the relief line as a separate back flow preventer, or it valve, causing it to operate during each heating may be part of a pressure redu
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Installing the storage tank. Temperature and Pressure Relief Valve Connect the outlet of the relief valve pitch downward from the valve to ! WARNING: The to a suitable open drain so that the allow complete drainage (by gravity) pressure rating of the discharge water cannot contact live of the relief valve and discharge line. relief valve must not electrical parts or persons and to The end of the discharge line should
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Water Supply Connections - Top of Storage Tank Refer to the illustration on next page the rubber seal rings that are provided for suggested typical installation. with the heater when re-installing The installation of unions or flexible the components. Do NOT use pipe copper connectors is recommended sealant on this joint. Do NOT torque on the hot and cold water connections the union hex nuts to over 35 ft-lbs NOT
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Installing the storage tank. Typical Installation Support the relief valve drain pipe using metal strapping or wire Pre-solder 12" minimum Cold Inlet Shut Off fastened to the structure overhead stub pipes before installing to unit. Temperature & Pressure Hot Water Outlet Relief Valve Heat Trap 6" Minimum Seal Ring (Inside nut) Hex Union Nut (Relief Valve) Thermal Expansion Tank (if required) See thermal Top Water Connection Port expansion section Union on page 5. (The addition of a
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Insulation Blankets Insulation blankets, available to the ! ! CAUTION: If local codes require WARNING: If local general public, for external use on the application of an external codes require external storage tanks are not necessary. The insulation blanket to this storage application of insulation purpose of an insulation blanket tank, pay careful attention to the blanket kits the is to reduce the standby heat loss fo
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Installation Checklist A. Storage tank Location " 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 unit. B. Water Supply " Storage tank completely filled with water. " Air purged from storage tank and piping. " Water connections tight and free of leaks. C.
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Care and cleaning of the storage tank. Draining the Storage tank water faucet first or lift the handle on DANGER: Before manually the relief valve (and keep open) to operating the relief valve, make admit air to the tank during draining. certain no one will be exposed to the hot water released by the valve. The (This will relieve the pressure in the water drained from the tank may be line.) hot enough to present
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Before You Call For Service… Troubleshooting Tips Save time and money! Review the chart on this page first and you may not need to call for service. Problem Possible Causes What to Do Rumbling noise Normal settling of internal compo - No action required. upon start-up nents. Relief valve Pressure build up caused by thermal This is an unacceptable condition and producing popping expansion in a closed system. must be correct
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Replacement Parts. Key No. Description 1 Dip Tube 2 Grommet, Large Grommet, Small 3 Seal Ring, Large Seal Ring, Small 4 Vacuum Valve 5 Temperature and Pressure Relief Valve 6 Nipple, 3/4" NPT x 3" 7 Reducer Bushing, 3/4" NPT x 1" NPT - (105 Gallon Only) 8 Knock-Out Bracket 9 Screw, #8 x 3/4" 10 Junction Box Cover 11 Screw #8-16 x 5/8" 12 Water Connection Fitting 13 Screw, SHCS - 5/16-18 x 1/2" and Lock Washer 14 Cavity Insulation 15 Cover P
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Replacement Parts. 50, 85, 105 gallon models. 5 6 7 8 9 10 11 13 12 14 17 15 16 14 15 3 16 14 18 13 12 17 7
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IF YOU NEED SERVICE head 1. Should you have any questions about your new storage tank, or if it requires 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 is unavailable, refer to the telephone directory, commercial listings or local utility for qualified service assistance. 2. Should your p
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LIMITED WARRANTY GENERAL Water Heater Innovations, Inc. warrants its products to be free from factory defects in workmanship and material, and will furnish a replacement for any part which fails in normal use, within the applicable Warranty Periods stated below. If an exact replacement storage tank is not available for any reason, Water Heater Innovations, Inc. reserves the right to - provide a com parable model. Replacements f
