A.O. Smith 28 30 50 60 Benutzerhandbuch

18

Instruction Manual BFC

is

The boiler room must be frost-free, or be protected against frost. 

 

shows the environmental conditions that must be adhered to, for correct 
functioning of the electronics present in the appliance to be guaranteed.

In connection with the appliance’s weight, take account of the maximum floor 
loading, see 

The appliance is intended for heating drinking water. The drinking water must 
comply with the regulations governing drinking water for human consumption. 

 shows these requirements.

n

If the water specifications deviate from those stated in 

, then the 

tank protection cannot be guaranteed.
See also chapter 

For access to the appliance it is recommended that the following clearances 
are observed (see 

):

•

AA: around the appliance’s control column and cleaning openings: 100 cm.

•

BB: around the appliance itself: 50 cm.

•

Above the appliance (room to replace the anodes):
-

100 cm if using fixed anodes, or 

-

50 cm if using flexible anodes.

Table 3.1 Humidity and ambient temperature specifications

Humidity

max. 93% RH at +25°C

Ambient temperature

Functional: 0 

≤ t ≤ 60°C

Table 3.2 Weight specifications related to maximum floor loading

BFC 28

392 kg

BFC 30, BFC 50, BFC 60

593 kg

Table 3.3 Water specifications

Hardness

(alkaline earth ions)

> 1.00 mmol/l:
•

German hardness >5.6° dH

•

French hardness > 10.0° fH

•

British hardness > 7.0° eH

Conductivity

> 125 

µS/cm

Acidity (pH value)

7.0 < pH value < 9.5