A.O. Smith 120 through 250 Series User Manual
Page 18
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 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
Appliance maximum floor load
In connection with the appliance's weight, take account of the maximum floor
loading, refer to the table.
Weight specifications related to maximum floor load
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
3.3.4
Working clearances
For access to the appliance, it is recommended that the following clearances
are observed (see figure):
•
AA: around the appliance's control column and cleaning openings: 100 cm.
•
BB: all sides of the appliance: 50 cm.
•
Above the appliance (room to replace the anodes):
-
100 cm if using fixed anodes, or
-
50 cm if using flexible anodes.
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
BFC 28
394 kg
BFC 30, BFC 50, BFC 60
582 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