m
CAUTION
– The height of the boiler is to be such that disassembly
and maintenance interventions are facilitated.
2.9
Hydraulic connections
The plumbing connections have the following characteristics
and dimensions.
=
65 65 65 65
M
U
G
E
L
Description
M - System delivery
R - System return
U - Domestic hot water output
E - Domestic hot water inlet
G - Gas supply
L (mm)
72
=
95
R
Brava One BF
25
30
Ø 3/4" G
Ø 3/4" G
Ø 1/2" G
Ø 1/2" G
Ø 3/4" G
400
450
2.9.1
Plumbing accessories (optional)
To facilitate plumbing and gas connections to the systems, the
accessories as shown in the table below are available and are to
be ordered separately from the boiler.
DESCRIPTION
Installation plate
Curve kit
Curve and valve kit with connections from DIN
to SIME
Cocks kit
Valve kit with connections from DIN to SIME
Wall mount replacement kit for other makers
Fitting protection Kit (25 kW)
Fitting protection Kit (30 kW)
Polyphosphate dosing kit
Dosing recharge kit
kit instructions are supplied with the accessory itself or
NOTE:
are to be found on the packaging.
2.10
Gas supply
boilers leave the factory specifically prearranged
Brava One BF
for G20 gas or G30/G31. The G20 models can be converted to
function with G30/G31 using the "specific nozzle kit" (optional)
provided by Sime on request separately from the boiler.
If changing the type of gas to be used, carry out the entire "GAS
phase of the appliance.
CONVERSION"
Boiler connection to the gas mains must be carried out in full
compliance with installation Standards in force.
Perform the following checks before making the connection:
– check that the boiler is compatible with the type of gas supply
– the pipes are clean
– the gas supply pipe is the same dimension as or greater than
that of the boiler fitting (G3/4") and with a load loss less than
or equal to that contemplated between the gas mains and the
Fig. 12
boiler.
a
DANGER
Once installation has been completed, check that
the joints are air tight as indicated in the installation
Standards.
m
CAUTION
It is recommended that the gas line has a suitable
filter.
EN
CODE
8075441
8075418
8075443
8091806
8075442
8093900
8094530
8094531
8101700
8101710