PVI Industries PV 6115 manual Specification for Domestic Water Heaters, Tank Lining

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SPECIFICATION FOR DOMESTIC WATER HEATERS

Power Combustion, Gas/Oil Fired Water Heaters with Polymer-Lined Storage Tanks

Furnish and install TURBOPOWER® gas/oil water heater(s) as manufactured by PVI Industries, L.L.C. of Fort Worth, Texas. Supply quantities and model numbers as indicated on the plumbing schedule.

Gas and Electrical Consumption

The water heater will operate at a minimum of 83% thermal efficiency when tested by an independent laboratory to ANSI Z21.10.3. The water heater will comply with paragraph 7.2.4.4, the thermal efficiency, the standby loss, and all other requirements of ASHRAE 90.1-1999.

Pressure Vessel and Heating Surfaces

The water heater will be constructed and stamped in accordance with Section IV, Part HLW of the ASME code.

The storage section of the water heater will be National Board Registered for a working pressure of ____ 125 psi

(standard) or ____ 150 psi and will be pressure tested at 1-1/2 times working pressure. The heating section of the water

heater will be National Board Registered for a working pressure of 150 psi and will be pressure tested at 1-1/2 times working pressure.

The heat exchanger will be a firetube design with the combustion chamber and all heating surfaces completely water-backed. The fireside of the combustion chamber will be of boiler-grade steel. The waterside of the combustion chamber will be non-ferrous. The fire tubes will be solid copper. The heating surfaces will be removable by unbolting from the pressure vessel, allowing 100% access to waterside surfaces. The tank will be accessible in the field through a manway sized opening, allowing access to 100% of interior surfaces. All tank connection fittings will be nonferrous and removable from the tank.

Tank Lining

The entire lining will:

be applied only after the tank is completely fabricated and all welding is completed.

be a thermoplastic polymer that is NSF 61 approved and consist of FDA compliant materials.

consist of multiple applications creating a continuous and nonporous barrier with no interruptions or discontinuities, particularly at the tank-to-fitting transitions.

be confirmed after all welding is completed to be 100% void-free by the ASTM D-5162 wet electrode standard. have a dielectric resistance of 1600 volts per mil.

The lined tank will not require anode rods and none will be used. Water heaters that use anode rods in a vessel that contains non-ferrous heating surfaces will not be acceptable.

Burner and Venting

Combustion will be provided by a forced-draft power burner with a gas and oil train meeting the following agency requirement for the input specified:

___ UL (standard)

___ FM

___ IRI

___ Other ______________________

(continued)

PV 6115 6/03

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Contents Gas and Electrical Consumption Specification for Domestic Water HeatersPressure Vessel and Heating Surfaces Tank LiningWarranty Summary Safety ControlsFinishing Start Up

PV 6115 specifications

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