Metal-Fach SEMAX OPTI 16, Operating Instructions Manual, Page: 21 / 52

METAL-FACH Heating Technology
19
Connection of the boiler with the heating system
(Installer)
The boiler should be connected to the central heating system by a company authorized by the manufacturer,
and the correct connection should be confirmed on the warranty card attached to this manual. The boiler
should be connected in accordance with the manufacturer's recommendations, in accordance with this manual.
ATTENTION!
It is recommended that the boiler be commissioned for the first time in accordance with
the guidelines contained in the Operation and Maintenance Documentation by a person
with valid authorizations - (Information on persons authorized to start the boiler is
available from the Manufacturer - tel. +48 85 711 94 56).
ATTENTION!
The temperature of water returning from the system to the central heating boiler should
not be lower than 45ºC.
ATTENTION!
An APV valve must be installed (min.45 ° C)