A.O. Smith IT - 750 user manual

Summary of the content on the page No. 1

IT
Indirect calorifi er
IT - 300/400/500/600/750/1000
IT - 1500/2000/2500/3000
Indirect water heater (calorifi er) 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 an

Summary of the content on the page No. 2

IT Technical specifications Technical data Output coil kW 46 78 100 104 112 145 134 134 142 142 2 Surface area coil m 1.47 2.45 3.11 3.45 3.72 4.82 5,2 5,2 6 6 Water capacity coil l 8.9 14.8 18.8 29.3 31.6 40.9 40 40 45 45 Flow rate coil (80-60°C) l/h 1978 3345 4300 4472 4816 6235 5762 5762 6106 6106 Pressure drop coil mbar 56 244 489 104 128 259 158 158 174 174 Maximum working pressure tank bar 10 10 10 10 10 10 8 8 8 8 Maximum working pressure coil bar 16 16 16 16 16 1

Summary of the content on the page No. 3

IT Dimensions IT 300 A 1370 1705 2040 1835 2030 2000 D 720 720 720 910 910 1060 G 325 255 255 305 305 345 H 765 1010 1205 1145 1205 1305 M 75 70 70 85 85 95 N 1310 1650 1990 1795 1990 1960 O 115 115 115 180 180 180 P 325 330 330 415 415 445 R 595 500 500 650 650 700 S 375 1095 1290 1235 1295 1395 T - 1360 1700 1475 1670 1600 U 1115 - - - - - 1 1 1 1 Cold water R1 R2 R2 R2 /2 R2 /2 R2 /2 1 1 1 2 Hot water R1 R2 R2 R2 /2 R2 /2 R2 /2 1 1 3 Inlet coil Rp1 Rp1 Rp1 Rp1 Rp1 /4 Rp1 /4 1 1 4

Summary of the content on the page No. 4

IT Dimensions IT 1500-3000 A 1880 2068 1939 2068 1880 2068 1939 2068 D 1100 1100 1400 1400 1200 1200 1500 1500 G 350 350 430 430 H 1305 1305 1283 1283 M 135 135 183 183 N 1930 2118 1989 2118 O 180 180 180 180 P 425 425 510 510 R1 500 500 580 580 R2 950 950 982 982 R3 1400 1588 1430 1559 S 605 605 685 685 T 710 710 790 790 U 1515 1703 1530 1624 V 1550 1738 1530 1659 1 Cold water R 2 R 2 R 2 R 2 2 Hot water R 2 R 2 R 2 R 2 1 1 1 1 3 Inlet coil Rp 1 /4 Rp 1 /4 Rp 1 /4 Rp 1 /4 1 1

Summary of the content on the page No. 5

IT Installation diagrams IT 300 2 Protected cold supply setup 3 T&P valve 4 Stop valve 5 Non-return valve 6 Circulation pump A Cold water B Hot water C Return circulation F Primary flow G 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 “Mai

Summary of the content on the page No. 6

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 Cold water B Hot water C Return circulation F Primary flow G Primary return E Over flow pipe H 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