Assessments - 3, GPA: 3.7
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—Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. —WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions. • If you cannot reach your gas supplier, call the fire department. — Installation and service must be performed by a qualified installer, service agency or the gas supplier. CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFORE USING APPLIANCE. A DIVISION OF A.O. SMITH CORPORATION McBEE, SOUTH CAROLINA, USA RENTON, WA, USA STRATFORD, ONTARIO, CANADA VELDHOVEN, THE NETHERLANDS PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE PART NO. 212626-000 PRINTED IN U.S.A. 0905 SUPERSEDES PART NO. 192011-000 REV.4 ROUGH-IN-DIMENSIONS TABLE 1 - ROUGH-IN DIMENSIONS Models Dimensions HW-120M HW-160M HW-200M HW-200M Inches mm Inches mm Inches mm Inches mm A 49 3/8 1254 50 1/8 1273 53 1/4 1353 60 1524 B 30 3/8 772 30 3/8 772 33 1/8 841 33 1/8 841 C 23 5/8 600 23 5/8 600 27 1/8 689 27 1/8 689 D 20 3/4 527 20 3/4 527 20 3/4 527 20 3/4 527 E 5 1/2 140 5 1/2 140 5 1/2 140 5 1/2 140 F 10 254 10 254 10 254 10 254 G 11 13/16 300 11 13/16 300 11 13/16 300 11 13/16 300 H 6 152 7 178 7 178 7 178 J 26 11/16 678 26 11/16 678 26 11/16 678 26 11/16 678 K 20 3/4 527 20 3/4 527 20 3/4 527 20 3/4 527 L 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT 1 1/4 NPT M 1 NPT 1 NPT 1 NPT 1 NPT N 1/2 NPT 1/2 NPT 1/2 NPT 1/2 NPT W 1 3/4 44 1 3/4 44 1 3/4 44 1 3/4 44 Approx. Shipping Weight 120 lbs. 54 Kg. 155 lbs. 70 Kg. 165 Lbs. 75 Kg. 175 lbs. 79 Kg. HEATER PERFORMANCE DATA NOTE: To compensate for the effects of high altitude areas above 2000 feet, input rating, and therefore recovery ratings, should be reduced approximately 4% for each 1000 feet above sea level. TABLE 2 - RECOVERY CAPACITIES Model Input U.S. Gallons/Hrs. and Litres/Hr. at TEMPERATURE RISE INDICATEDF° 20F° 30F° 36F° 40F° 50F° 54F° 60F° 70F° 72F° 80F° 90F° 100F° 108F° 110F° 120F° 126F° 130F° 140F° Btuh KW C° 11.1C° 16.6C° 20C° 22.2C° 27.7C° 30C° 33.3C° 38.8C° 40C° 44.4° 50C° 55.5C° 60C° 61.1C° 66.6C° 70C° 72.2C° 77.7C° HW-120M 120,000 GPH 605 403 336 303 242 224 202 173 168 151 134 121 112 110 101 96 93 86 35 LPH 2290 1527 1272 1145 916 848 763 654 636 573 509 458 242 416 382 364 352 327 HW-160M 160,000 GPH 777 518 432 388 311 288 259 222 216 194 173 155 144 141 129 123 120 111 47 LPH 2941 1961 1634 1471 1176 1089 980 840 817 735 654 588 545 535 490 467 452 420 HW-200M 199,000 GPH 987 658 548 494 395 366 329 282 274 247 219 197 183 179 165 157 152 141 58 LPH 3737 2491 2076 1869 1495 1384 1246 1068 1038 934 830 747 692 679 623 593 575 534 HW-2250M 225,000 GPH 1096 731 609 548 438 406 365 313 304 274 244 219 203 199 183 174 169 157 66 LPH 4149 2766 2305 2074 1659 1537 1383 1185 1152 1037 922 830 768 754 691 659 638 593 Recovery rating of models shown in chart above are obtained by actual efficiency test data by recognized Certification Agency. NOTE: Recovery rate shown on each models rating plate is based on the requirements of ANSI Standard Z21.10.3, which stipulates the data to be based on energy efficiency of 75%. TABLE 3 - CAPACITY AND GAS AND ELECTRIC CHARACTERISTICS Model Manifold Pressure Maximum Supply Pressure Electrical Characteristics Type of Gas Inches W.C. kPa Inches W.C. kPa Volts/Hz Amperes HW-120M thru 225M NATURAL 3.5 0.87 10.5 2.61 120/60 <5 HW-120M thru 200M PROPANE 10 2.49 13.0 3.23 120/60 <5 Minimum Supply Pressure, Natural Gas: 4.5 inches W.C. (1.12 kPa) Minimum Supply Pressure, Propane Gas: 11.0 inches W.C. (1.74 kPa) Minimum Pressure must be maintained under both load and no load (static and dynamic) conditions. 2 FOREWORD This design complies with the latest edition of the ANSI Standard Z21.10.3 for gas water heaters Vol. III Storage Water Heaters with input ratings above 75,000 BTU per hour Circulating and Instantaneous. Detailed installation diagrams are in this manual. These diagrams will serve to provide the installer with a reference for the materials and method of piping suggested. IT IS ESSENTIAL THAT ALL WATER AND GAS PIPING AND THE ELECTRICAL WIRING BE INSTALLED AND CONNECTED AS SHOWN IN THE DIAGRAMS. You should thoroughly read and understand this manual before installation and operation of this unit. CHECK THE DIAGRAMS THOROUGHLY BEFORE STARTING INSTALLATION TO AVOID POSSIBLE ERRORS AND TO MINIMIZE TIME AND MATERIALS COST. Particular attention should be given to the installation of thermometers at the locations indicated in the diagrams as these are necessary for checking the operation of the heater. MAKE SURE THE GAS ON WHICH THE HEATER WILL OPERATE IS THE SAME AS THAT SPECIFIED ON THE HEATER MODEL AND RATING PLATE. TABLE OF CONTENTS PAGE ROUGH-IN DIMENSIONS .........................................
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