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Фрагмент инструкции
If desired, straight field wiring connections can be made to these models by removing the access cover on front of heater and disconnecting the cord set from the thermostat and the grounding plug. Remove the cord set and strain relief bushing from the junction bracket. The hole in the junction bracket will accommodate 1/2. or 3/4. electrical fittings. Refer to wiring diagrams in the back of this manual for wiring connections. 6 through 20 gallon models are completely wired to the junction bracket inside jacket at front of water heater. An opening for 1/2. or 3/4. electrical fitting is provided for field wiring connections. A separate branch circuit with copper conductors, overcurrent protective device and suitable disconnecting means must be provided by a qualified electrician. Refer to wiring diagrams in the back of this manual for wiring connections. The branch circuit wiring should include either: Metallic conduit or metallic sheathed cable approved for use as a grounding conductor and installed with fittings approved for the purpose. Non-metallic 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. 8 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 wiring connections. Branch Circuit Sizing and Wire Size Guide Total Water Recommended Over Current Protection Copper Wire Size AWG Based Heater Wattage (fuse or circuit breaker amperage rating) on N.E.C. Table 310-16 (75°C) 120V 208V 240V 120V 208V 240V 1500* 20 15 15 12 14 14 1700 20 15 15 12 14 14 2000 25 15 15 10 14 14 2500 30 15 15 10 14 14 3000 35 20 20 8 12 12 3500 – 25 20 – 10 12 3800 – 25 20 – 10 12 4000 – 25 25 – 10 10 4500 – 30 25 – 10 10 5000 – 30 30 – 10 10 5500 – 35 30 – 8 10 6000 – 40 35 – 8 8 9000 – – 50 – – 8 *Less than 1500 watts may be wired 14 gauge with 15 amp protection. Check Local Electrical Codes, as they will also apply. Insulation Blankets Insulation blankets, available to the general public, for external use on electric water heaters are not necessary. The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. This water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary. The manufacturer’s warranty does not cover any damage or defect caused by installation, attachment or use of any type of energy saving or other unapproved devices (other than those authorized by the manufacturer) into, onto or in conjunction with the water heater. The use of unauthorized energy saving devices may shorten the life of the water heater and may endanger life and property. The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices. CAUTION: If local codes require the application of an external insulation blanket to this water heater, pay careful attention to the following so as not to restrict the proper function and operation of the water heater: . Do not cover the temperature and pressure relief valve. . Do not cover jacket access panels to thermostats and heating elements. . Do not cover the electrical junction box of the water heater. . Do not cover the operating or warning labels attached to the water heater or attempt to relocate them on the exterior of insulation blanket. Safety Instructions Installation Instructions Operating Instructions Care and Cleaning Troubleshooting Customer Service 9 Installing the water heater. Hot and Cold Pipe Insulation Installation Customer Service Troubleshooting Tips Care and Cleaning Operating Instructions Installation Instructions Safety Instructions RELIEFVALVECOLDHORELIEFVALVECOLDHOT Typical vertical piping Typical horizontal piping arrangement arrangement For increased energy efficiency, some Please install the insulation, according water heaters have been supplied with to the illustrations above, that best two 24” sections of pipe insulation. meets your requirements. Typical side piping arrangement Relief Valve Insulation Installation CAUTION: Ensure the T&P Valve opening is not obstructed by the insulation. RELIEFVALVECOLDHOT Typical top connection arrangement Typical side connection arrangement For increased energy efficiency, some Slip the insulation cover over the T&P water heaters have been supplied with Valve through the center hole and align a 2-3/8” section of pipe insulation. the hole in the side with the opening of the T&P Valve. Please install the insulation, according to the illustrations above, that best meets your requirements. Heat Traps For increased energy efficiency, some water heaters have been supplied with factory installed heat traps in the hot...
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