A.O. Smith Innovo IR 12-160, Installation, User And Service Manual

Page: 38 / 96

8.2.3 Water composition
The water must comply with the regulations for drinking water for human consumption.
Water composition
Water hardness > 1.00 mmol/l:
- German hardness > 5.6° dH
- French hardness > 10.0° fH
- English hardness > 7.0° e
- CaCO
3
> 100 ppm
Conductivity > 125 µS/cm
Acidity (pH value) 7.0 - 9.5
Note
Water quality may adversely affect the efficiency, performance and lifetime of the water
heater, refer to Warranty (on page 3). If water specifications differ from the specifications
in the table a water treatment specialist should be consulted.
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.
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38 Installation, Maintenance and Service part