Installation
18 Instruction manual BFC
3
is
3.3.1 Air humidity and ambient temperature
The boiler room must be frost-free, or be protected against frost. The table
shows the ambient conditions that must be adhered to for correct functioning of
the electronics present in the appliance to be guaranteed.
Air humidity and ambient temperature specifications
3.3.2 Water heater maximum floor load
Allow for the water heater's weight and the maximum floor load; refer to the
table (3.4.2 "
General and electrical specifications").
3.3.3 Water composition
The appliance 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
Note
If the water specifications deviate from those stated in the table, then the
tank protection cannot be guaranteed (16 "Warranty (certificate)").
3.3.4 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
Air humidity and ambient temperature
Air humidity max. 93% RH at +25°C
Ambient temperature functionality: 0 <
T < 60°C
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
Conductivity > 125 µS/cm
Acidity (pH value) 7.0 < pH value < 9.5
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