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ITS 400 / 500 / 600 / 750 / 1000
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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 ITS 400 ITS 500 ITS 600 ITS 750 ITS 1000
Contents litres 382 470 641 718 1007
Empty weight kg 145 196 246 262 340
Max. floor load kg 527 666 887 980 1347
Max. operating pressure tank kPa (bar) 1000 (10) 1000 (10) 1000 (10) 1000 (10) 1000 (10)
Max. operating pressure heat exchangers kPa (bar) 1600 (16) 1600 (16) 1600 (16) 1600 (16) 1600 (16)
Max. water temperature tank ºC 95 95 95 95 95
Max. water temperature heat exchangers ºC 110 110 110 110 110
Anodes - 1 1 1 1 1
Table continues on the next page.
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