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IT Indirect calorifier IT - 300/400/500/600/750/1000 IT - 1500/2000/2500/3000 Indirect water heater (calorifier) for a wide range of applications • Single-wall spiral heat exchanger • PermaGlas Ultra Coat second-generation glass coating technology prevents corrosion • IT 300: Three adjustable legs facilitate easy installation • IT 400-1000: Insulated ring base • Insulated access cover for comprehensive waterside maintenance • Replaceable magnesium anode • Options: Flexible magnesium anode for installation in confined areas • Powered anode for reduced maintenance requirements • Temperature and pressure valve with stainless steel spring set to 95 °C and a maximum water pressure of 7 bar • Analogue temperature gauge (0-120 °C) • Electric element heat packs (3 - 36 kW) • Optional ancillaries: unvented kits • Destratification pump kit Innovation has a name. IT IT 300 IT 400 IT 500 IT 600 IT 750 IT 1000 IT 1500 IT 2000 IT 2500 IT 3000 Technical specifications kW m2 l l/h mbar bar bar °C °C kWh/24h - kg 46 1.47 8.9 1978 56 10 16 95 110 1.32 1 413 78 2.45 14.8 3345 244 10 16 95 110 1.60 1 524 100 3.11 18.8 4300 489 10 16 95 110 1.88 1 653 104 3.45 29.3 4472 104 10 16 95 110 1.85 1 884 112 3.72 31.6 4816 128 10 16 95 110 2.03 1 979 145 4.82 40.9 6235 259 10 16 95 110 2.19 1 1343 134 5,2 40 5762 158 8 6 85 90 5.40 3 1948 134 5,2 40 5762 158 8 6 85 90 7.20 3 2226 142 6 45 6106 174 8 6 85 90 8.50 3 3126 142 6 45 6106 174 8 6 85 90 9.60 3 3400 l l l l l l/h min. l l l l l/h min. l l l l l/h min. 296 728 1177 1627 2076 899 20 640 1036 1431 1827 791 22 582 942 1301 1661 719 25 385 1106 1868 2631 3393 1525 15 973 1644 2315 2986 1342 17 885 1495 2104 2714 1220 19 473 1396 2373 3350 4327 1955 15 1228 2088 2948 3808 1720 16 1116 1898 2680 3462 1564 18 643 1616 2633 3649 4665 2033 19 1422 2317 3211 4105 1789 22 1293 2106 2919 3732 1626 24 725 1776 2871 3965 5060 2189 20 1563 2526 3489 4453 1926 23 1421 2296 3172 4048 1751 25 1007 2374 3791 5208 6625 2834 21 2089 3336 4583 5830 2494 24 1899 3033 4166 5300 2267 27 1550 2870 4176 5489 6798 2619 36 2525 3678 4830 5982 2305 40 2296 3343 4391 5439 2095 44 1800 3142 4452 5761 7071 2619 41 2765 3918 5070 6222 2305 47 2514 3561 4609 5657 2095 52 2550 4031 5419 6806 8194 2775 55 3547 4768 5990 7211 2442 63 3225 4335 5445 6555 2220 69 2800 4304 5691 7079 8467 2775 61 3787 3918 6230 7451 2442 69 3443 4553 5663 6773 2220 76 kg kg mm mm mm 117 128 780 1510 780 139 153 780 1850 780 180 201 780 2150 780 241 251 870 1930 870 254 260 870 2150 870 336 348 1010 2100 1010 398 488 1170 2060 1426 426 526 1170 2248 1426 576 686 1498 2120 1680 600 720 1498 2195 1680 Technical data Output coil Surface area coil Water capacity coil Flow rate coil (80-60°C) Pressure drop coil Maximum working pressure tank Maximum working pressure coil Maximum operating temperature tank Maximum operating termperature coil Standby loss Anodes Maximum weight Draw-off capacity Storage capacity 30 min. ∆T=44°C 60 min. ∆T=44°C 90 min. ∆T=44°C 120 min. ∆T=44°C Continuous ∆T=44°C Heating-up time ∆T=44°C 30 min. ∆T=50°C 60 min. ∆T=50°C 90 min. ∆T=50°C 120 min. ∆T=50°C Continuous ∆T=50°C Heating-up time ∆T=50°C 30 min. ∆T=55°C 60 min. ∆T=55°C 90 min. ∆T=55°C 120 min. ∆T=55°C Continuous ∆T=55°C Heating-up time ∆T=55°C Shipping data Weight empty Weight incl. packaging Width packaging Height packaging Depth packaging IT Dimensions IT 300 IT 400 IT 500 IT 600 IT 750 IT 1000 IT 300 A D G H M N O P R S T U 1370 720 325 765 75 1310 115 325 595 375 1115 1705 720 255 1010 70 1650 115 330 500 1095 1360 - 2040 720 255 1205 70 1990 115 330 500 1290 1700 - 1835 910 305 1145 85 1795 180 415 650 1235 1475 - 2030 910 305 1205 85 1990 180 415 650 1295 1670 - 2000 1060 345 1305 95 1960 180 445 700 1395 1600 - 1 Cold water 2 Hot water 3 Inlet coil 4 Outlet coil 7 Connection 8 a/b Connection immersion well 8 Anode connection 10 Anode connection R1 R1 Rp1 Rp1 Rp3/4 R2 R2 Rp1 Rp1 Rp3/4 R2 R2 Rp1 Rp1 Rp3/4 R21/2 R21/2 Rp1 Rp1 Rp3/4 R21/2 R21/2 Rp11/4 Rp11/4 Rp3/4 R21/2 R21/2 Rp11/4 Rp11/4 Rp3/4 Rp1/2 Rp11/4 Rp11/4 Rp11/4 Rp11/4 Rp11/4 R1 - Dimensions in mm. All IT calorifiers receive a three years warranty on the tank and one year on parts. IT 400-1000 IT Dimensions 1 2 3 4 7 8 10 11 12 Cold water Hot water Inlet coil Outlet coil Connection Connection immersion well Anode connection Service valve Temperature meter IT 3000 G H M N O P R1 R2 R3 S T U V IT 2500 D IT 2000 A IT 1500 IT 1500-3000 1880 1880 1100 1200 350 1305 135 1930 180 425 500 950 1400 605 710 1515 1550 2068 2068 1100 1200 350 1305 135 2118 180 425 500 950 1588 605 710 1703 1738 1939 1939 1400 1500 430 1283 183 1989 180 510 580 982 1430 685 790 1530 1530 2068 2068 1400 1500 430 1283 183 2118 180 510 580 982 1559 685 790 1624 1659 R2 R2 Rp 11/4 Rp 11/4 Rp 11/4 Rp 3/4 Rp 3/4 Rp 1 Rp 3/4 R2 R2 Rp 11/4 Rp 11/4 Rp 11/4 Rp 3/4 Rp 3/4 Rp 1 Rp 3/4 R2 R2 Rp 11/4 Rp 11/4 Rp 11/4 Rp 3/4 Rp 3/4 Rp 1 Rp 3/4 R2 R2 Rp 11/4 Rp 11/4 Rp 11/4 Rp 3/4 Rp 3/4 Rp 1 Rp 3/4 IT Installation diagrams IT 300 2 3 4 5 6 Protected cold supply setup T&P valve Stop valve Non-return valve Circulation pump A B C F G Cold water Hot water Return circulation Primary flow Primary return The IT 300 and 400-1000 is also available in unvented version. A.O. Smith unvented system kits utilise combination valves. Further installation and connection details can be found in the Installation & Commissioning Manual. For the parts numbers of components please refer to the “Maintenance and accessories” chapter. IT 400-1000 IT Installation diagrams IT 1500-3000 3 T&P valve 4 Stop valve 5 Non-return valve 6 Circulation pump 9 Drain valve 11 Isolating valve 12 Temperature gauge 14 Hot water outlets 17 Three way valve 18 Water tank 19 Float valve A B C F G E H Cold water Hot water Return circulation Primary flow Primary return Over flow pipe Expansion vent pipe The IT 1500-3000 is also available in unvented version. A.O. Smith unvented system kits utilise combination valves. Further installation and connection details can be found in the Installation & Commissioning Manual. Data subject to change INT/1108/IT/02 Terms and conditions apply, please refer to our website. For the parts numbers of components please refer to the “Maintenance and accessories” chapter. www.aosmithinternational.com