A.O. Smith STE - 400, Инструкция по установке, эксплуатации и обслуживанию

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Installation, User and Service Manual
7
1 Technical specifications
1.1 Floor load
1.2 Water composition
1.3 Working clearance
Take the storage water heaters weight in account for the maximum floor load; refer to the
table (1.4 "General specifications").
The storage water 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
> 100 ppm 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 storage water heaters, it is recommended that the following clearances
are observed:
around the anode connection/top of the water heater: 100 cm.
around the water heater: 50 cm.
1.4 General
specifications
General Specifications - water heater
Unit STE 400 STE 500 STE 600 STE 750 STE 1000
Contents litres 405 499 678 763 1055
Empty weight kg 99 131 179 201 262
Maximum floor load kg 504 630 957 964 1317
Maximum operating pressure kPa (bar) 1000 (10) 1000 (10) 1000 (10) 1000 (10) 1000 (10)
Maximum water temperature ºC 95 95 95 95 95
Anodes - 1 1 1 1 1