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manual abstract
Description The JOHN WOOD series of storage booster tanks, available in 40, 50 or 80 gallon sizes, have been designed to supply hot water for domestic use when combined with a tankless coil boiler or other water heating source. Each tank is equipped with an adjustable thermostat, pre-wired and ready for connection to a circulator pump (not supplied). These tanks are not constructed to ASME requirements and should not be used for such applications. II) SAFET. Relief Valve Requirements WARNING For protection against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but no less than a combination Temperature and Pressure (T&P) Relief Valve certified as meeting the requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANSI Z21.22, by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials. The valve shall be marked with a maximum set pressure not to exceed the maximum working pressure of the storage tank. The T&P valve shall be rated for the BTU INPUT of the entire system.This T&P valve may be in addition to any T&P valve that is required on the boiler, or other energy supply system. Install the valve into the opening provided on the storage tank, or other approved system location. Provide tubing so that any discharge from the valve will exit within 152mm (6 in.) above, or any distance below the structural floor and cannot contact any live electrical part. The end of the relief pipe opening should terminate near the floor drain or other suitable location. Do not place a valve(s) or any other blockage or restrictions between the tank and the T&P valve. T&P Valve Check Inspect the relief valve annually to ensure proper operation. This involves opening the valve to check that it is flowing freely and that there are no blockages and letting it snap shut (see .MAINTENANCE. section). III) INSTALLATIO. WARNING Excessive Weight Hazard Use two or more people to move and install storage booster tank. Failure to do so can result in back or other injury. CAUTION Hydrogen gas can be produced in a hot water system served by this storage tank that has not been used for a long period of time (generally two (2) weeks or more). Hydrogen gas is extremely flammable and can ignite when exposed to a spark or flame. To reduce the risk of injury under these conditions, it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system. Use caution in opening faucets. When hydrogen is present, there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow. There should be no smoking or open flame near the faucet at the time it is open. Local Codes The installation of this storage tank must be In accordance with these Instructions and all applicable local codes. Location IMPORTANT. This storage booster tank must be installed strictly in accordance with the instructions enclosed, and local electrical, fuel and building codes. It is possible that connections to the tank, or the tank itself, may develop leaks. IT IS THEREFORE IMPERATIVE that the storage booster tank be installed so that any leakage of the tank or related water piping is directed to an adequate drain in such a manner that it cannot damage the building, furniture, floor covering, adjacent areas, lower floors of the structure or other property subject to water damage. This is particularly important if the tank is installed in a multi-story building, on finished flooring or carpeted surfaces. GSW WILL NOT ASSUME ANY LIABILITY for damage caused by water leaking from the storage booster tank, pressure relief valve, or related fittings. Select a location as centralized within the piping system as possible. In any location selected, it is recommended that a suitable drain pan be installed under the storage booster tank. This pan must limit the water level to a MAXIMUM depth of 45mm (1 3/4 in.) and have a diameter that is a minimum of 50mm (2 in.) greater than the diameter of the storage booster tank. Suitable piping shall connect the drain pan to a properly operating floor drain. Locate the storage tank in a clean dry area close to the water heating source and preferably central to the piping system. Adequate clearance for accessibility to permit main - 2 tenance and service must be provided. Water lines and the storage tank should be protected from freezing temperatures. Do not install the storage tank in outdoor unprotected areas. It is desirable to have a floor drain nearby to permit easy draining if necessary. WARNING The water heating source piping and components connected to the tank must be suitable for potable water use. TOXIC chemicals such as used for boiler treatment must not be introduced into the tank. Circulator Pump A circulator pump is not supplied. Use...