MCZ Hydrotherm 70 User Manual
Page 24
INSTALLATION AND USE MANUAL
Chapter 4
page
24
Installation and assembly
Technical service – MCZ GROUP S.p.A. all rights reserved - Reproduction prohibited
4.6.2. Hydraulic connection with Open Tank
In order to achieve a good running of the Hydrotherm fireplace stove
installed with open tank, please closely follow the installation rules
stated below:
The system must be loaded only by natural fall from the
expansion tank open in the del return of the fireplace stove
with a duct of 1”. Direct loading with the pressure from the
mains is prohibited. The maximum operating pressure is 1.5
bars.
The expansion tank must be of the open type with vent tube of
minimum Ø 1”. This must be placed at a height higher than 3
meters from the highest point of the radiators. If the kits in
diagrams 2 and 3 are used, the expansion tank can be
placed near the fireplace stove.
The vent tube of the expansion tank must feature no shut-off
valve or unneeded curves. Both the open expansion tank and
the vent tube must be protected against the cold.
4.6.3. Hydraulic connection with Closed Tank
In order to achieve a good running of the Hydrotherm fireplace stove
installed with closed tank, please closely follow the installation rules
stated below:
The system must be loaded only with the pressure from
the mains. The maximum operating pressure is 1.5 bars.
The expansion tank must be of the closed type.