
Instruction manual
Pag. 9 of 28
Date 2021-07-27
Selection and installation of components are left to the responsibility of the installer who must operate
according to the rules of good technique and the legislation in force.
Before connecting the pipes make sure that these do not contain stones, sand, rust, scale or other foreign
objects that could cause damage or failure to the system.
To achieve a successful installation and optimum operating performance, carefully follow the instructions
provided in this manual.
The failure to apply the rules indicated, which may cause malfunction of the appliance, raise the
manufacturer from any form of guarantee and liability for damage caused to people, animals or things.
WARNING! The appliance must be installed in a protected area and in such a way that the accessibility to
the unit is possible only by removing the protection by means of a tool.
WARNING! The appliance must be installed in such a way as to facilitate maintenance.
To further increase the comfort, a sound absorption plate is delivered together with the unit. This part could
be useful only in heating mode to eliminate the high frequency noise coming from the expansion of
refrigerant fluid through the source-side water evaporator. However if the unit is located inside a closed
space, the plate is useless and it can be easily removed before installation.