A.O. Smith IT - 1000 User manual

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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
confi ned 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
• Destratifi cation pump kit

IT
Technical specifications
IT 300 IT 400 IT 500 IT 600 IT 750 IT 1000 IT 1500 IT 2000 IT 2500 IT 3000
Technical data
Output coil kW 46 78 100 104 112 145 134 134 142 142
Surface area coil m21.47 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 16 6 6 6 6
Maximum operating temperature tank °C 95 95 95 95 95 95 85 85 85 85
Maximum operating termperature coil °C 110 110 110 110 110 110 90 90 90 90
Standby loss
kWh/24h 1.32 1.60 1.88 1.85 2.03 2.19 5.40 7.20 8.50 9.60
Anodes - 1 1 1 1 1 1 3 3 3 3
Maximum weight kg 413 524 653 884 979 1343 1948 2226 3126 3400
Draw-off capacity
Storage capacity l 296 385 473 643 725 1007 1550 1800 2550 2800
30 min. ∆T=44°C l 728 1106 1396 1616 1776 2374 2870 3142 4031 4304
60 min. ∆T=44°C l 1177 1868 2373 2633 2871 3791 4176 4452 5419 5691
90 min. ∆T=44°C l 1627 2631 3350 3649 3965 5208 5489 5761 6806 7079
120 min. ∆T=44°C l 2076 3393 4327 4665 5060 6625 6798 7071 8194 8467
Continuous ∆T=44°C l/h 899 1525 1955 2033 2189 2834 2619 2619 2775 2775
Heating-up time ∆T=44°C min. 20 15 15 19 20 21 36 41 55 61
30 min. ∆T=50°C l 640 973 1228 1422 1563 2089 2525 2765 3547 3787
60 min. ∆T=50°C l 1036 1644 2088 2317 2526 3336 3678 3918 4768 3918
90 min. ∆T=50°C l 1431 2315 2948 3211 3489 4583 4830 5070 5990 6230
120 min. ∆T=50°C l 1827 2986 3808 4105 4453 5830 5982 6222 7211 7451
Continuous ∆T=50°C l/h 791 1342 1720 1789 1926 2494 2305 2305 2442 2442
Heating-up time ∆T=50°C min. 22 17 16 22 23 24 40 47 63 69
30 min. ∆T=55°C l 582 885 1116 1293 1421 1899 2296 2514 3225 3443
60 min. ∆T=55°C l 942 1495 1898 2106 2296 3033 3343 3561 4335 4553
90 min. ∆T=55°C l 1301 2104 2680 2919 3172 4166 4391 4609 5445 5663
120 min. ∆T=55°C l 1661 2714 3462 3732 4048 5300 5439 5657 6555 6773
Continuous ∆T=55°C l/h 719 1220 1564 1626 1751 2267 2095 2095 2220 2220
Heating-up time ∆T=55°C min. 25 19 18 24 25 27 44 52 69 76
Shipping data
Weight empty kg 117 139 180 241 254 336 398 426 576 600
Weight incl. packaging kg 128 153 201 251 260 348 488 526 686 720
Width packaging mm 780 780 780 870 870 1010 1170 1170 1498 1498
Height packaging mm 1510 1850 2150 1930 2150 2100 2060 2248 2120 2195
Depth packaging mm 780 780 780 870 870 1010 1426 1426 1680 1680

IT
Dimensions
IT 300
IT 400-1000
IT 300 IT 400 IT 500 IT 600 IT 750 IT 1000
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 Cold water R1 R2 R2 R21/2 R21/2R21/2
2 Hot water R1 R2 R2 R21/2R21/2R21/2
3 Inlet coil Rp1 Rp1 Rp1 Rp1 Rp11/4Rp11/4
4 Outlet coil Rp1 Rp1 Rp1 Rp1 Rp11/4Rp11/4
7 Connection Rp3/4Rp3/4Rp3/4Rp3/4Rp3/4Rp3/4
8 a/b Connection immersion
well Rp1/2- - - - -
8 Anode connection - Rp11/4Rp11/4Rp11/4Rp11/4Rp11/4
10 Anode connection R1 - - - - -
Dimensions in mm. All IT calorifiers receive a three years
warranty on the tank and one year on parts.

IT
Dimensions
IT 1500-3000
IT 1500 IT 2000 IT 2500 IT 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
3 Inlet coil Rp 11/4Rp 11/4Rp 11/4Rp 11/4
4 Outlet coil Rp 11/4Rp 11/4Rp 11/4Rp 11/4
7 Connection Rp 11/4Rp 11/4Rp 11/4Rp 11/4
8 Connection immersion well Rp 3/4Rp 3/4Rp 3/4Rp 3/4
10 Anode connection Rp 3/4Rp 3/4Rp 3/4Rp 3/4
11 Service valve Rp 1 Rp 1 Rp 1 Rp 1
12 Temperature meter Rp 3/4Rp 3/4Rp 3/4Rp 3/4

IT
Installation diagrams
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
“Maintenance and accessories” chapter.
IT 300
IT 400-1000

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Data subject to change INT/1108/IT/02 Terms and conditions apply, please refer to our website.
IT
Installation diagrams
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 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 1500-3000