Humidity And Ambient Temperature; Maximum Floor Loading; Water Composition; Working Clearances - A.O. Smith 28 30 50 60 Installation & Service Manual

3
3.3.1
3.3.2
3.3.3
3.3.4
18
Installation

Humidity and ambient temperature

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.
Table 3.1 Humidity and ambient temperature specifications
ambient
Humidity and temperature
Humidity
Ambient temperature

Maximum 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
BFC 30, BFC 50, BFC 60

Water 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
(alkaline earth ions)
Conductivity
Acidity (pH value)
n
Remark
If the water specifications deviate from those stated in
tank protection cannot be guaranteed.
See also chapter '13 Warranty

Working 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.
max. 93% RH at +25°C
Functional: 0 ≤ t ≤ 60°C
392 kg
593 kg
> 1.00 mmol/l:
• German hardness >5.6° dH
• French hardness > 10.0° fH
• British hardness > 7.0° eH
> 125 µS/cm
7.0 < pH value < 9.5
(Certificate)'.
Instruction Manual BFC
is
Table 3.1
Table 3.3, then the