Ariston 500 ST6-2 Manual Del Usuario página 28

EN
Authorised water heater installation zones:
Fixed low-voltage water heaters are permitted in area 1 if they have a minimum protection class of IPX4.
Caution: For France, only horizontal type water heaters installed as high as possible are permitted in area
1.
II.2. Installation instructions
This appliance has three feet. At the factory, a pallet is fixed to the appliance.
Please follow the instructions below to install the appliance.
Other equipment:
➢ Stop cock
➢ Hot water expansion vessel
➢ Mixers for preventing burns by ensuring that the temperature does not exceed 50°C at the drawing
points and 60°C in the kitchen (in France, this is a legal obligation)
II.3. Hydraulic connection
1. The service pressure is indicated on the water heater identification data plate (see the water heater).
⚠
2. DTU stipulation - a connection using high-density reticulated polyethylene synthetic material
is prohibited: Risk of flooding.
To connect the water heater on an installation in high-density reticulated polyethylene, insert a copper pipe
with a minimum length of 50 cm (DTU 60-1) at the hot water outlet.
The connection of a water heater to a copper pipe must be performed via an intermediate dielectric
connection. These dielectric connections are available as options or as standard depending on the model.
If you have a single dielectric connection, you must mount it on the hot water outlet.
3. If the supply inlet pressure is more than 4.5 bar, you must install a pressure reducer upstream of the
safety assembly.
4. In the case of hydraulic installations with:
➢ excessively small pipes;
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