A.O. Smith STE-1000 Installation, User And Service Manual page 70

3.3.3
3.3.4
70
Installation, User and Service Manual STE
Water composition
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 compositions
Hardness
(alkaline earth ions)
Conductivity
Acidity (pH value)
Note
If the water specifications deviate from those stated in the table, then the tank protection
cannot be guaranteed (11
Working clearances
For access to the water heater, it is recommended that the following clearances are
observed (see figure):
AA: at the front of the water heater: 120 cm.
•
BB: around the water heater: 30 cm.
•
Top of the water heater: 30 cm
•
Working clearances
Note
When installing the water heater, be aware that any leakage from the tank and/or
connections can cause damage to the immediate environment or floors below the level
of the boiler room. If this is the case, the water heater should be installed above a waste
water drain or in a suitable metal leak tray. The leak tray must have an appropriate waste
water drain and must be at least 5 cm deep with a length and width at least 5 cm greater
than the diameter of the water heater.
> 1,00 mmol/l:
German hardness > 5,6 °dH
•
French hardness > 10,0 °fH
•
English hardness > 7,0 °eH
•
> 125 μS/cm
7,0 < pH value < 9,5
"Warranty").