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4
INSTALLATION MODE
A
B
C
D
HYDRAULIC CONNECTION
Before connecting, it is strongly rec-
ommended that the heating plant be
thoroughly flushed to remove any
residue which could compromise the
equipment and the module (to flush
the system, use the waiting pipe kit
3/4" cod. 8109410/Waiting pipe kit 1"
cod. 8109411).
Once this has been done, it is pos-
sible to hydraulically and mechani-
cally connect the module.
The assembly indications and input
and output position of the vari-
ous circuits refer to a module with
hydraulic connections on the left;
if you need to make the attach-
ments on the right, see section
CONNECTION REVERSIBILITY.
A-B
indicate attachments ø 3/4" -
1" M primary heat input (A)
and primary plant return (B)
E-F
indicate attachments ø 3/4" -
1" M flow (E) and return (F) of
the internal heating/cooling
plant.
C-D
indicate attachments ø 3/4" M
domestic hot water input (C)
and domestic cold water input
(D).
G-H
indicate attachments ø 3/4"
M domestic hot water output
(G) and domestic cold water
output (H).
60
- Remove the cover from the meter
panel unit (1); fix the panel in the
necessary position.
- Position and hydraulically connect
the multifunction valve group -
energy meter (2).
- Position and hydraulically connect
the domestic hot and cold water
meters (3-4).
- Make the electrical connections
following the diagram on the next
page.
- Replace the meter panel unit cover
(1).
The SimeConn II module is provided
with isolation valves which are pre-
fitted to the metal case.
It is also recommended to check the
good efficiency status of the control
and protection safety devices of the
centralised plant.
ELECTRICAL CONNECTION
Earthing prevents any risk of
electrocution.
Remember to connect the
case to the earthing system.
Connect the frame using the
green/yellow cable coming out
of the electric panel.
The electrical connections to power
E
F
G
H
3
4
the module are inside the meter
panel unit on a specific terminal
board.
The diagram "Fig. 15" to page
shows the recommended connec-
tions including the ambient thermo-
stat setting (not supplied and in any
case, external to the unit).
The only electrical component
is the motorized control valve,
when the user requires heat,
through the thermostat, the servo
motor is energized with the con-
sequent opening of the valve.
In addition, if required by the type of
meter readings, the installer must
connect an M-BUS cable in the cor-
responding terminals (+) and (-), and
perform in and out with the other
user modules to bring the 2 wires of
the M-BUS cable to the thermal unit
in the control unit for the reading
and discharging of consumption.
When you have finished all opera-
tions, replace the front door.
CAUTION!
The frame must be skimmed and
sealed where the precut piece was
removed in order to ensure effi-
cient thermal insulation.
The system technician must ensure
that the electrical system is sized
for the power absorbed, and that
the entire system is connected to a
proper earthing system.
1
2
Fig. 14
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