AO Smith Water Heater IT 1000 User Manual

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.  
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IT  
Dimensions  
IT 300  
A
D
G
H
M
N
O
P
1370 1705 2040 1835 2030 2000  
720 720 720 910 910 1060  
325 255 255 305 305 345  
765 1010 1205 1145 1205 1305  
75  
70  
70  
85  
85  
95  
1310 1650 1990 1795 1990 1960  
115 115 115 180 180 180  
325 330 330 415 415 445  
595 500 500 650 650 700  
375 1095 1290 1235 1295 1395  
R
S
T
-
1360 1700 1475 1670 1600  
U
1115 -  
-
-
-
-
1
2
3
4
7
Cold water  
Hot water  
Inlet coil  
Outlet coil  
Connection  
R1  
R1  
R2  
R2  
R2  
R2  
Rp1  
Rp1  
R21/2 R21/2 R21/2  
R21/2 R21/2 R21/2  
Rp1 Rp1  
Rp1 Rp1  
Rp3/4 Rp3/4 Rp3/4 Rp3/4 Rp3/4 Rp3/4  
Rp1  
Rp1  
Rp11/4 Rp11/4  
Rp11/4 Rp11/4  
8 a/b Connection immersion  
well  
Rp1/2  
-
-
-
-
-
-
8
Anode connection  
Rp11/4 Rp11/4 Rp11/4 Rp11/4 Rp11/4  
10 Anode connection  
R1  
-
-
-
-
-
Dimensions in mm. All IT calorifiers receive a three years  
warranty on the tank and one year on parts.  
IT 400-1000  
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IT  
Dimensions  
IT 1500-3000  
A
D
1880  
1880  
1100  
1200  
350  
2068  
2068  
1100  
1200  
350  
1939  
1939  
1400  
1500  
430  
2068  
2068  
1400  
1500  
430  
G
H
M
N
O
P
1305  
135  
1930  
180  
1305  
135  
2118  
180  
1283  
183  
1989  
180  
1283  
183  
2118  
180  
425  
425  
510  
510  
R1  
R2  
R3  
S
500  
950  
1400  
605  
500  
950  
1588  
605  
580  
982  
1430  
685  
580  
982  
1559  
685  
T
710  
710  
790  
790  
U
V
1515  
1550  
1703  
1738  
1530  
1530  
1624  
1659  
1
2
3
4
7
8
Cold water  
Hot water  
Inlet coil  
Outlet coil  
Connection  
Connection immersion well  
R 2  
R 2  
R 2  
R 2  
R 2  
R 2  
R 2  
R 2  
Rp 11/4  
Rp 11/4  
Rp 11/4  
Rp 3/4  
Rp 3/4  
Rp 1  
Rp 11/4  
Rp 11/4  
Rp 11/4  
Rp 3/4  
Rp 3/4  
Rp 1  
Rp 11/4 Rp 11/4  
Rp 11/4 Rp 11/4  
Rp 11/4 Rp 11/4  
Rp 3/4  
Rp 3/4  
Rp 1  
Rp 3/4  
Rp 3/4  
Rp 1  
10 Anode connection  
11 Service valve  
12 Temperature meter  
Rp 3/4  
Rp 3/4  
Rp 3/4  
Rp 3/4  
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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
Cold water  
Hot water  
Return circulation  
Primary flow  
Primary return  
G
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  
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IT  
Installation diagrams  
IT 1500-3000  
3
4
5
6
9
T&P valve  
Stop valve  
Non-return valve  
Circulation pump  
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
Cold water  
Hot water  
Return circulation  
Primary flow  
G
E
Primary return  
Over flow pipe  
Expansion vent pipe  
H
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.  
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