Installation; Connecting Up System - Sime Format 25/60 OF Manual De Instrucciones

2

INSTALLATION

The boiler must be installed in a fixed loca-
tion and only by specialized and qualified
firms in compliance with all instructions
contained in this manual.
Furthermore, the installation must be in
accordance with current standards and
regulations.
2. 1 VENTILATION OF
BOILER ROOM
The "25/60 OF" version boilers must be
installed in adequately ventilated domestic
rooms. It is essential that in rooms where
the boiler are installed at least as much air
can arrive as required by normal combu-
stion of the gas consumed by the various
appliances. Consequently, it is necessary to
make openings in the walls for the air inlet
into the rooms. These openings must meet
the following requirements:
KEY
1 Fixing jig
2 Copper pipe 3/4"x18
3 Gasket ø 24/17
4 Gas cock 3/4"MF
5 Elbow 3/4"x 18
6 Gasket ø 18,5/11,5
7 Elbow 1/2"x14
9 Elbow 1/2"x14
KEY
1 Fixing jig
2 Straight coupling 1/2"x14
3 Gasket ø 18,5/11,5
4 Elbow 1/2"x14
5 D.H.W. cock stub pipe
6 D.H.W. cock 1/2"MF
7 C.H.-D.H.W cock
3/4"MF
8 Gasket ø 24/17
9 Gas cock 3/4"MF
10 Straight coupling 3/4"x18
11 Copper pipe 3/4"x18
12 Straight coupling
3/4"x18 with olive
13 Flow cock:
yellow ("25/60" vers.)
and brown ("30/60" vers.)
76
– have a total free section of at least 6
cm 2 for every kW of heat input, with a
minimum of 100 cm 2 ;
– They must be located as close as possi-
ble to floor level, not prone to obstruc-
tion and protected by a grid which does
not reduce the effective section required
for the passage of air.
The "25/60 BF - 30/60 BF" version boi-
lers may instead be installed, without any
constraints regarding location or supply of
air for combustion, in any domestic rooms.
2.2 BOILER SUPPORT BRACKET
For the mounting of the support bracket of
the boiler, which is supplied, observe the fol-
lowing instructions (fig. 4):
– Fix the bracket to the wall with appro-
priate dowels.
– Check with a spirit level that it is perfec-
tly in horizontal plane.
2.2. 1 Fixing jig (optional)
The fixing jig code 8081209 is supplied with
an instruction sheet for the fixing.
2.2.2 Fitting the pipe elbows (optional)
To fit the connecting elbows supplied in kit
code 8075419, follow the instructions
reported in fig. 5.
2.2.3 Fitting isolating valves (optional)
To fit the isolating valves, supplied in kit code
8091807, follow the instructions mentioned
in fig. 6.
2.2.4 Replacement wall kit
for other makes (optional)
The kit code 8093900 is supplied comple-
te with mounting instructions.
Fig. 4
2.3

CONNECTING UP SYSTEM

Before proceeding to connect up the boiler,
you are recommended to make the air cir-
culating in the piping in order to eliminate
any foreign bodies that might be detrimen-
tal to the operating efficiency of the applian-
ce. When making the hydraulic connections,
make sure that the dimensions indicated in
fig. 1 are respected.
The discharge pipe of the safety valve
must be connected to a collector funnel
for channelling away any discharge if the
safety valve goes into action.
The gas connection must be made using
seamless steel pipe (Mannesmann type),
Fig. 5
galvanized and with threaded joints provi-
ded with gaskets, excluding three-piece con-
nections, except for initial and end connec-
tions. Where the piping has to pass through
walls, a suitable insulating sleeve must be
provided. When sizing gas piping, from the
meter to the boiler, take into account both
the volume flow rates (consumption) in
m 3 /h and the relative density of the gas in
question.
The sections of the piping making up the
system must be such as to guarantee a
supply of gas sufficient to cover the maxi-
mum demand, limiting pressure loss
between the gas meter and any apparatus
being used to not greater than:
– 1.0 mbar for family II gases (natural gas);
– 2.0 mbar for family III gases (butane or
propane).
An adhesive data plate is sticked inside the
front panel; it contains all the technical data
Fig. 6
identifying the boiler and the type of gas for
which the boiler is arranged.