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IT 1500 / 2000 / 2500 / 3000
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1 Technical specifications
1.1 Floor load
1.2 Water composition
1.3 Working clearance
Allow for the water heater's weight and the maximum floor load; refer to the table (1.4
"General specifications").
The water heater is intended for heating drinking water. The drinking water must comply with
the regulations governing drinking water for human consumption. The table gives an
overview of the specifications.
Water specifications
Water composition
Hardness
(alkaline earth ions)
> 1,00 mmol/l:
German hardness > 5,6 °dH
French hardness > 10,0 °fH
English hardness > 7,0 °eH
> 100 mg/l CaCO
3
Conductivity > 125 µS/cm
Acidity (pH value) 7,0 < pH value < 9,5
Note
If the water specifications deviate from those stated in the table, then the tank protection
cannot be guaranteed (4"Warranty").
For access to the water heater, it is recommended that the following clearances are
observed:
around the anode connection: 100 cm.
around the water heater: 50 cm.
top of the water heater: 50 cm
1.4 General
specifications
Unit IT 1500 IT 2000 IT 2500 IT 3000
Contents litres 1550 1800 2550 2800
Empty weight kg 398 426 576 600
Max. floor load kg 1948 2226 3126 3400
Max. operating pres. tank kPa (bar) 800 (8) 800 (8) 800 (8) 800 (8)
Max. operating pres. heat exchanger kPa (bar) 600 (6) 600 (6) 600 (6) 600 (6)
Max. water temp. tank ºC 85 85 85 85
Max. water temp. heat exchanger ºC 90 90 90 90
Anodes - 3 3 3 3
Capacity heat exchanger kW 147 147 156 156
Primary flow 80/60ºC l/h 6485 6485 6871 6871
Pressure loss mbar 830 830 695 695
Heat exchange surface m
2
5,2 5,2 6,0 6,0
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