58
Load loss accessory Ø 80 mm
Description
Code
Load loss (mm H
2
O)
OPEN HYBRID SMART
25
Inlet
Outlet
90° curve MF
8077450
0,20
0,25
45° curve MF
8077451
0,15
0,15
Horizontal extension W. 1000
mm
8077351
0,15
0,15
Vertical extension W. 1000 mm
8077351
0,15
0,15
Wall terminal
8089501
0,10
0,25
Roof outlet terminal (*)
8091204
0,80
0,10
(*) The losses of the roof outlet terminal at inlet include the
manifold code 8091400.
NOTE:
for the boiler to operate correctly it is necessary that a
minimum distance of 0.50 m of the duct is respected with a 90°
inlet curve.
Example: calculation of the load loss of a
OPEN HYBRID SMART
25
boiler.
Accessories Ø 80
mm
Code
Quantity
Load loss (mm H
2
O)
Inlet
Outlet
Total
Extension W. 1000
mm (horizontal)
8077351
7
7 x 0,15
-
1,05
Extension W. 1000
mm (horizontal)
8077351
7
-
7 x 0,15
1,05
90° curve
8077450
2
2 x 0,20
-
0,40
90° curve
8077450
2
-
2 x 0,25
0,50
Wall terminal
8089501
2
0,10
0,25
0,35
TOTAL
3,35
(installation permitted since the total of the load loss of the
accessories used is less than
15 mm H2O
).
120
Ø 80
185
185
Ø 80
250
400
125
125
Fig. 14
2.12 Electrical connections
The boiler is equipped with a ready wired power cable which is
to be connected to a 230V~50 Hz network.
If this cable needs to be replaced, an original spare must be
requested from
Sime
.
Therefore only the connections of the original components
as shown in the table are needed. These are to be ordered
separately from the boiler.
DESCRIPTION
CODE
Power cable (dedicated)
6323875
m
CAUTION
The maintenance interventions described must ONLY
be carried out the professionally qualified personnel.
a
WARNING
Before carrying out any interventions described:
– set the main system switch to "OFF"
– close the gas valve
– make sure that no hot parts inside the appliance are
touched.
OFF
Fig. 15
m
CAUTION
It is compulsory:
– to use an omnipolar cut-off switch, disconnect
switch, in compliance with EN standards (contact
opening of at least 3 mm)
– if the power cable is to be replaced, that ONLY
a special cable is used with a factory produced
re-wired connector, ordered as a spare part and
connected by a professionally qualified person
– to connect the earth wire to an effective earthing
system (*)
– that before any intervention on the boiler, the mains
power is disconnected by setting the main system
switch to "OFF".
(*) The manufacturer is not responsible for any damage
caused by failure to earth the appliance or failure to
observe the information provided in the wiring diagrams.
