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7.2.3
n
7.2.4
n
54
Water composition
The water must comply with the regulations for drinking water for human consumption.
Water composition
Hardness
(alkaline earth ions)
Conductivity
Acidity (pH value)
Note
If the water specifications differ from the specifications in the table, the tank protection
cannot be guaranteed, refer to Warranty.
Working clearances
For access to the water heater, it is recommended that the following clearances are
observed (see figure):
•
AA: around the water heater's control column and cleaning openings: 100 cm.
•
BB: all sides of the water heater: 50 cm.
•
Top of the water heater: 100 cm.
Fig. 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.
Note
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
•
CaCO
> 100 mg/l
3
> 125 µS/cm
7.0 < pH value < 9.5
IMD-0767 R0
Installation, Maintenance and Service part
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