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Manual de usuario AquaStar, modelo 125HX LP

Fabricar: AquaStar
Tamaño del archivo: 735.28 kb
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Idioma del manual:en
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Resumen del manual


First determine the effective length of the gas supply line by measuring the actual length of piping, and then adding 5 ft. for every elbow or “T” to the actual length. Use the charts below to determine the pipe diameter necessary to accommodate the BTU demand of the unit. If there are more gas drawing appliances on the line, size according to the maximum amount of BTU demand. FOR NATURAL GAS Maximum Capacity of pipe in Cubic Feet of Gas per Hour Follow boxed numbers for piping just one 125 HX for Gas Pressure of 0.5 Psig or less and a Pressure drop of (example: 3/4” B.I. Natural Gas pipe for 30 ft. will handle 0.3 in Water Column. 152,000 btu’s). For multiple appliances combine the total (Based on a 0.60 Specific Gravity Gas) Btu numbers given btu input load and then refer to applicable chart below. in thousands. Nominal Iron Length of Black Iron Pipe, Feet Pipe Internal Size, Diameter inches inches 10 20 30 40 50 60 70 80 90 100 125 150 175 200 1/4 0.364 32 22 18 15 14 12 11 11 10 9 8 8 7 6 3/8 0.493 72 49 40 34 30 27 25 23 22 21 18 17 15 14 1/2 0.622 132 92 73 63 56 50 46 43 40 38 34 31 28 26 3/4 0.824 278 190 152 130 115 105 96 90 84 79 72 64 59 55 1 1.049 520 350 285 245 215 195 180 170 160 150 130 120 110 100 1 1/4 1.380 1050 730 590 500 440 400 370 350 320 305 275 250 225 210 1 1/2 1.610 1600 1100 890 760 670 610 560 530 490 460 410 380 350 320 2 2.067 3050 2100 1650 1450 1270 1150 1050 990 930 870 780 710 650 610 2 1/2 2.469 4800 3300 2700 2300 2000 1850 1700 1600 1500 1400 1250 1130 1050 980 3 3.068 8500 5900 4700 4100 3600 3250 3000 2800 2600 2500 2200 2000 1850 1700 4 4.026 17,500 12,000 9,700 8,300 7,400 6,80 6,200 5,800 5,400 5,100 4,500 4,100 3,800 3500 FOR LP GAS Maximum Capacity of Pipe in Thousands of BTU per Hour of Undiluted Petroleum Gases (at 11 inches Water Column Inlet Pressure) (Based on a Pressure Drop of 0.5 Inch Water Column). Maximum Capacity of Semi-Rigid Tubing in Thousands of BTU per Hour of Undiluted Liquified Petroleum Gases (at 11 inches Water Column Inlet Pressure) (Based on a Pressure Drop of 0.5 Inch Water Column) Nominal Iron Pipe Size, Inches 1/2 3/4 1 1 1/4 1 1/2 2 Outside Diameter, Inch 10 275 567 107 220 330 622 3/8 1/2 5/8 3/4 7/8 20 30 189 152 693 315 732 590 149 121 229 185 433 346 10 20 39 26 92 62 199 131 329 216 501 346 40 129 267 504 103 155 299 30 21 50 107 181 277 Black Iron Pipe Length of Pipe, Feet 50 60708090 100 125 114103 96 89 83 78 69 237 217 196 185 173 162 146 448 409 378 346 322 307 275 913 834 771 724 677 630 567 141 127 118 108 102 976 866 264 239 220 204 192 1811 1606 Copper Length of Tubing, Feet 40 50 60708090 19 _ ____ 41 37 35 31 29 27 90 79 72676259 145 131 121 112 104 95 233 198 187 164 155 146 150 63 132 252 511 787 1496 100 _ 26 55 90 138 * Source National Fuel Gas Code NFPA 54, ANSI Z223.1. 6 720 606 804 WATER CONNECTIONS Install the heater centrally in the building if possible and make hot water piping runs as short as possible When facing the heater, the cold water inlet will be on the right and the hot water outlet on the left. Although water piping throughout the building may be other than copper, copper or galvanized piping should be used when connecting to the heaters .” male NPT flex connectors (follow local codes if more stringent). Plastics or other PEX type plumbing line materials are not suitable for connecting directly to the water heater. Keep water inlet pipe to no less than .” (19.05mm) diameter to allow the full flow capacity. If the cold and hot connections to the heater are reversed, the heater will not function. The 125 HX is provided with one flexible type connector that must be connected to the cold inlet fitting of the water valve as shown in Fig. 6. The union end of the flexible connector should be attached to the rear inlet port of the water valve with the supplied washer gasket. No pipe dope or thread tape is to be used at this joint. The .” flexible hot water outlet line is supplied attached to the heater. Be certain there are no loose particles or dirt in the piping. Blow out or flush the lines before connecting to the water heater. Full port valves should be installed on both the cold water supply and hot water outlet lines to facilitate servicing the heater (see Fig. 7). For installation on a private well system with the use of a pressure tank, the lowest pressure range setting recommended is 30-50 psi (2.07-3.45 bar). Fig. 6 -Water valve - top view Connecting the pressure relief valve (PRV) A listed pressure relief valve supplied with the heater must be installed at the time of installation. No valve is to be placed between the PRV and the heater. No reducing coupling or other restriction may be installed in the discharge line. The discharge line must be installed such that it allows complete drainage of both the PRV and the line. The location of the PRV must be readily accessible for servicing or replacement, and be mounted as close to the water heater as possible. See Fig 7. To install the PRV, a suitabl...

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Calentadores de Agua - 125HX NG (735.28 kb)

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