Operating Instructions and Installation Instructions

Installation
18 Instruction manual BFM
3
is
3.3 Ambient conditions
The appliance has a sealed combustion chamber, and obtains its air supply
independently of the boiler room. There are therefore no additional ventilation
requirements.
Possible installation types are C13 and C33.
3.3.1 Air humidity and ambient temperature
The boiler room must be frost-free, or be protected against frost. The table
shows the environmental 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 Maximum floor load
Allow for the appliance's weight with respect to the maximum floor load; refer to
the table.
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 (13 "Warranty (certificate)").
Air humidity and ambient temperature
Air humidity max. 93% RV at +25 °C
Ambient temperature Functional: 0 <
T < 60 °C
Weight of the appliance filled with water
BFM 30 BFM 50 BFM 80 BFM 100 BFM 120
539 kg 543 kg 548 kg 573 kg 573 kg
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
Conductivity > 125 µS/cm
Acidity (pH value) 7.0 < pH value < 9.5