A.O. Smith 28 30 50 60 Humidity and ambient temperature, Maximum floor loading, Water composition

3

3.3.1

Installation is

Humidity and ambient temperature

The boiler room must be frost-free, or be protected against frost. Table 3.1 shows the environmental conditions that must be adhered to, for correct functioning of the electronics present in the appliance to be guaranteed.

Table 3.1 Humidity and ambient temperature specifications

Humidity and ambient temperature

Humidity	max. 93% RH at +25°C
Ambient temperature	Functional: 0 ≤ t ≤ 60°C

3.3.2Maximum floor loading

In connection with the appliance’s weight, take account of the maximum floor loading, see Table 3.2.

Table 3.2 Weight specifications related to maximum floor loading

Weight of the appliance filled with water

BFC 28	392 kg
BFC 30, BFC 50, BFC 60	593 kg

3.3.3Water composition

The appliance is intended for heating drinking water. The drinking water must comply with the regulations governing drinking water for human consumption. Table 3.3 shows these requirements.

Table 3.3 Water specifications

Water composition

Hardness	> 1.00 mmol/l:
(alkaline earth ions)	• German hardness >5.6° dH
	• French hardness > 10.0° fH
	• British hardness > 7.0° eH
Conductivity	> 125 ∝S/cm
Acidity (pH value)	7.0 < pH value < 9.5

nRemark

If the water specifications deviate from those stated in Table 3.3, then the tank protection cannot be guaranteed.

See also chapter ’13 Warranty (Certificate)’.

3.3.4Working clearances

For access to the appliance it is recommended that the following clearances are observed (see Figure 3.2):

• 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.

18 Instruction Manual BFC