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
Technical specifications
Technical data
Output coil
kW
m2
l
46
1.47
8.9
1978
56
10
16
95
78
2.45
14.8
3345
244
10
16
95
110
1.60
1
100
3.11
18.8
4300
489
10
16
95
110
1.88
1
104
3.45
29.3
4472
104
10
16
95
110
1.85
1
112
3.72
31.6
4816
128
10
16
95
110
2.03
1
145
4.82
40.9
6235
259
10
16
95
110
2.19
1
134
5,2
40
5762
158
8
6
85
90
5.40
3
134
5,2
40
5762
158
8
6
85
90
7.20
3
142
6
45
6106
174
8
6
85
90
8.50
3
142
6
45
6106
174
8
6
85
90
9.60
3
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
l/h
mbar
bar
bar
°C
°C
kWh/24h
-
110
1.32
1
Anodes
Maximum weight
kg
413
524
653
884
979
1343
1948
2226
3126
3400
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
l
l
l
l
296
728
1177
1627
2076
899
20
640
1036
1431
1827
791
22
582
942
1301
1661
719
385
1106
1868
2631
3393
1525
15
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
l
l/h
min.
l
l
l
l
l/h
min.
l
l
l
l
973
1644
2315
2986
1342
17
885
1495
2104
2714
1220
19
l/h
min.
25
Shipping data
Weight empty
Weight incl. packaging
Width packaging
Height packaging
Depth packaging
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
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
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
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
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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