SAFETY INSTRUCTIONS
General remarks
•
Connections (electrical, hydraulic) must be carried out in accordance with
applicable standards and regulations.
•
If the water drawing off point is far from the tank, installing an auxiliary DHW
loop can allow to get hot water more quickly at all times.
Essential instructions for the correct operation of the system
•
The tank must be installed in a dry and protected area.
•
Install the appliance to ensure easy access at all times.
•
To avoid any risk of corrosion, connect the stainless steel tank directly to the
earth. Use an adjustable earth clamp (see example below) on one of the DHW
connections to connect to the earth. Advised copper wire section: 2.5mm².
•
Make sure to install a pressure reducing valve set at 4.5 bar in the DHW circuit
if the supply pressure is higher than 6 bar.
•
On the DHW circuit, install an approved safety group, comprised of a safety
valve set at 7 bar, a check valve and a stop valve.
•
Make sure that the outlet of the safety unit goes directly to the sewer to avoid
any potential damage.
•
Do not install the safety group above the tank to avoid water discharge on to
the tank.
Smart SL : A1007846 - 661Y3100 • C
Installation
•
The installation of a domestic expansion vessel avoids discharge from the
safety valve (loss of water).
•
Capacity of domestic water vessels:
•
18 Litres for SL 320
•
24 Litres for SL 420 / 420D
•
35 Litres for SL 600
Refer to the manufacturer’s technical instructions on the expansion vessel for
more details.
EN
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Содержание SL320
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