A.O. Smith Innovo 12-160, Installation, Service & Maintenance Manual

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8.2.3 Water composition
The water must comply with the regulations for drinking water for human consumption.
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
CaCO
3
> 100 mg/l
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Conductivity > 125 µS/cm
Acidity (pH value) 7.0 < pH value < 9.5
Note
If the water specifications differ from the specifications in the table, the tank protection
cannot be guaranteed, refer to Warranty.
8.2.4 Working clearances
Make sure that there is sufficient clearance to access the water heater:
100 cm in front of the water heater (AA).
50 cm at the left and right side of the water heater (BB).
100 cm at the top of the water heater.
Fig. Working clearances
8.2.5 Level the water heater
Make sure that the water heater is level, before installation:
Use a wrench to turn the nut (1) on the adjustable leg clockwise to move the water
heater up.
Use a wrench to turn the nut (1) on the adjustable leg anticlockwise to move the
water heater down.
The water heater can move up maximal 20 mm.
Note
Make sure that the working clearance at the top of the water heater does not become
smaller than 100 cm.
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38 Installation, Maintenance and Service part