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1
INSTALLING
THE DEVICE
1.1 DESCRIPTION OF THE DEVICE.
The "DIM" code (Disgiuntore Idrico Multi-im-
pianti) identifies a series of kits that Immergas
proposes for the management of mixed zone
central heating systems with large water capac-
ities. In particular, they are kits that can only
be coupled with some boiler models in the
Immergas range, including an open manifold
(distribution manifold) and are available in four
different configurations:
• DIM 2 zones ErP, to be used to manage systems
divided into 2 zones;
• DIM 3 zones ErP, to be used to manage systems
divided into 3 zones;
• DIM H-LT ErP, for the management of mixed
systems with differentiated temperature (e.g. a
zone with radiators and one with radiant floor
panels);
• DIM H-2LT ErP, for the management of mixed
systems with differentiated temperature (e.g. a
zone with radiators and two with radiant floor
panels);
IMPORTANT: the boiler models set up for coupling
with the manifolds are Immergas boilers with P.C.B.
designed for the management of zone systems.
These kits are characterised by the possibility
to be recessed into the wall, therefore they have
no clearance.
Each zone served by the manifold is managed
by a room chrono-thermostat connected to the
DIM. Whenever envisioned by the boiler, it is
possible to use an Immergas Remote control to
control one of the system zones (successively
called main zone).
1.2 INSTALLATION
RECOMMENDATIONS.
The place of installation of the appliance and
relative Immergas accessories must have suitable
features (technical and structural), such as to al-
low for (always in safe, efficient and comfortable
conditions):
- installation (according to the provisions of the
technical legislation and technical regulations);
- maintenance operations (including scheduled,
periodic, routine and special maintenance);
- removal (outdoors in the place for loading and
transporting the appliances and components)
as well as their eventual replacement with
appliances and/or equivalent components.
Only professionally qualified companies are
authorised to install the Immergas Multi-Sys-
tem Distribution Manifold. Installation must be
carried out according to regulation standards,
current legislation and in compliance with local
technical regulations and the required technical
procedures. Before installing the device, ensure
that it is delivered in perfect condition; if in
doubt, contact the supplier immediately. Packing
materials (staples, nails, plastic bags, polystyrene
foam, etc.) constitute a hazard and must be
kept out of the reach of children. In the event
of malfunctions, faults or incorrect operation,
turn the device off immediately and contact an
authorised company (e.g. the Authorised Tech-
nical Assistance Centre, which has specifically
trained staff and original spare parts). Do not
attempt to modify or repair the appliance alone.
Failure to comply with the above implies personal
responsibility and invalidates the warranty.
1-1
2
Recess installation.
Perform the masonry work, creating an opening
in the wall suitable to contain the device (See par.
"Main dimensions").
Insert the distribution manifold (1) into its seat,
remembering to open the four support fins (2)
before insertion (Fig. 1-1).
Protect the side edges and the front cover during
recess preparation for the device.
IMPORTANT: the hydraulic and electrical con-
nections must be made within the device unit;
you must therefore position the frame first and
then perform the connections.
Attention: the recessed frame is not a supporting
structure and cannot replace the piece of wall
removed. It is therefore necessary to check the
correct positioning inside the wall.
Wall-hanging installation.
Fasten the frame to the wall using four expansion
plugs, suitable for the type of wall and weight
of the device (not supplied) and using the four
drilled holes (see Fig. 1-2 pos. X).
Use the fairlead and the sheath-holder (3)
supplied to limit the infiltration of water inside
the frame.
5
3
1
2
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