Sime MURELLE EV 25/55 BF, Manual

Page: 84 / 108

installed using the special kit, code
8089904. For kit assembly instructions,
refer to point 2.9.1. Protect the intake with
the optional accessory, code 8089501.
The accessory is assembled by cutting a 50
mm long segment from an ordinary ø 80
extension and inserting it on the air intake,
on which the accessory is then fitted,
anchored to the pipe segment with the
screws provided (fig. 10). Kit code
8089904 is supplied with the intake diaph-
ragm, which must be used as shown in fig.
8/a, depending on the maximum permitted
flow.
Maximum flow resistance must be no
more than 8.5 mm H
2
O in vers. “25/55” -
12 mm H
2
O in vers. “30/55”.
As the maximum pipe length is determined
by adding up the flow resistance of the
various individual accessories installed,
refer to
Table 1 for calculation.
2.10 POSITIONING OF OUTLET
TERMINALS (fig. 11)
The outlet terminals for forced draught
systems may be located on the outer walls
of the building
Table 2 shows approximate,
non-binding minimum distances to be met
for a building of the type shown in fig. 11.
2.11 ELECTRICAL WIRING
If you must replace the electric power
cable supplied with the boiler, order it exclu-
sively from Sime. The power supply must be
single-phase 230V - 50 Hz through a main
switch protected by a fuse with a distance
of at least 3 mm between contacts.
The boiler must be connected with an effi-
cient grounding system. SIME shall not
be held liable for injury or damage resul-
ting from failure to ground the boiler.
ATTENTION: Before every intervention on
the boiler, cut off the electricity supply by
means of the main switch of the system,
since even if the boiler is "OFF", the elec-
trical panel remains connected to the
electricity.
2.11.1 Chronothermostat
connection
Connect the chronothermostat as indica-
ted in the boiler electrical diagram (see
paragraph 2.12) after having removed the
existing bridge.
The chronothermostat to be used must be
of a class conforming to the standard EN
607301 (clean electrical contact).
2.11.2 Climatic regulator CR 53
connection (optional)
The boiler is designed for connectio to a cli-
matic regulator, supplied on request (code
8092227), for the management of a hea-
ting circuit. The electronic card will conti-
nue to manage information visualisation,
the setting of the sanitary set and the hea-
ting of the second circuit, and the boiler
parameters by means of the keys on the
control panel. For installation and use of
the climatic regulator, follow the instruc-
tions included in the packaging. NOTE: Reset parameter 10 to 2 (PAR 10
= 2).
2.11.2 Remote control CR 73
connection (optional)
The boiler is designed for connection to a
remote control unit, supplied on request
84
1) Terminals below a practicable
balcony must be located in such
a way that the total path of the
smoke from its outlet point
from the terminal to its outlet
point from the external perime-
ter of the balcony, including the
height of possible railings, is not
less than 2000 mm.
2) When siting terminals, where
materials that may be subject
to the action of the combu-
stion products are present in
the vicinity, e.g., eaves, gutters
and downspouts painted or
made of plas tic mat er ial,
projecting timberwork, etc.,
dis t ances of not less than
1500 mm must be adopted,
unless adequate shielding is
provided to guard these mate-
rials.
Fig. 11
50
cod. 8089501
Fig. 10
TABLE 2
Siting of terminal Appliances from 7 to 35 kW
(distances in mm)
A - below openable window 600
B - below ventilation opening 600
C - below eaves 300
D - below balcony (1) 300
E - from adjacent window 400
F - from adjacent ventilation opening 600
G - from horizontal or vertical soil or drain pipes (2) 300
H - from corner of building
300
I - from recess in building 300
L - from ground level or other treadable surface 2500
M - between two terminals set vertically 1500
N - between two terminals set horizontally 1000
O - from a surface facing without
openings or terminals 2000
P - as above but with openings and terminals 3000