CHAUFFAGE FRANCAIS Stelios 250 L Benutzerhandbuch Seite 47

5.
The hydraulic connection
The appliance is equipped with an internal indirect coil that can be connected to an external water
heating system, if applicable, such as a solar energy system, as illustrated below.
1. When installing the product, the safety valve must be installed in the direction of water circulation,
otherwise the product may malfunction during use;
2. The user must install the expansion tank in the appropriate position according to the installation
rules and the characteristics of the installation. The recommended reference for the choice of the
expansion tank is the following:
Note: Depending on the volume of the installation and the length of the pipes, the pressure of the
latter can be adjusted.
These pressure values are given as an indication and depend on the installation.
Product name
Stelios 250
ATTENTION
● Do not use steel pipes to install the device. The water piping system must adopt new pipes that can
meet drinking water standards, such as CPVC/PPR or PB pipes. Do not use PVC pipes.
Install the water pipes, connectors and other parts according to the figure above. If the installation
environment is less than 0℃, all pipes must be insulated.
Ensure that the condensation water outlet and the safety valve outlet are clean and unobstructed.
6.
Instruction for the hydraulic connection
Fig.6 Hydraulic connection
Expansion Tank
15L
Permissible pressure of the
k ( )
0.8