EN
m
CAUTION
– The height of the boiler is to be such that disassembly
and maintenance interventions are facilitated.
2.9
Plumbing connections
The plumbing connections have the following characteristics
and dimensions.
78 100 70
G
R
Sc
G
R
Description
M - System delivery
R - System return
U - Domestic hot water output
E - Domestic hot water inlet
G - Gas supply
Sc - Condensate outlet
152
100
100
M
U
E
600
M
U
E
Fig. 13
Brava Slim HE ErP
25/55
30/55
Ø 3/4" G
Ø 3/4" G
Ø 1/2" G
Ø 1/2" G
Ø 3/4" G
Ø 20 mm
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
Assembly template
Connecting valve kit
Curve and gas valve kit
Wall mount replacement kit for
other makers
Polyphosphate dosing kit
Dosing recharge kit
Condensate pump kit
NOTE:
kit instructions are supplied with the accessory itself or
are to be found on the packaging.
2.10
Condensate outlet/collection
In order to collect the condensate, it is recommended that:
– the appliance condensate outlets and the smoke outlet are
ducted
– a neutralising device is prearranged
– the outlet incline is >3% .
m
CAUTION
– The condensate outlet duct must be airtight,
suitably sized to that of the siphon and must not be
restricted at any point.
– The condensate outlet must be constructed in full
compliance of the National or Local regulations in
force.
– Before commissioning the appliance, fill the siphon
with water.
2.11
Gas supply
Brava Slim HE 25/55 - 30/55 ErP
prearranged for gas G20 and can also work with G31 without
the need for any type of mechanical conversion. Simply select
parameter "03" (see "Parameter setting and display") and set
the type of gas to be used.
If changing the type of gas to be used, carry out the entire
appliance "COMMISSIONING" phase.
Boiler connection to the gas mains must be carried out in full
compliance with installation Standards in force.
Before connecting the boiler to the gas mains, the user must
ensure that:
– the type of gas is correct for the appliance
– 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
boiler.
a
WARNING
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.
CODE
8081217
8091833
8075447
8093900
8101700
8101710
8105302
boilers leave the factory
79