20
2
M
Sp
1
E
YES
NO
Fig. 12
– Mount the assembly consisting of: pipe (3) code 6277855,
domestic hot water pump (PS), pipe (4) code 6277856, relief
valve (Vs) and cock (Rs) (
“Fig. 13”
)
m
WARNING
– To facilitate the installation/tightening operations,
it is recommended that the assembly is connected
after having fitted the pipes.
– Fit the domestic hot water pump (PS) with the ar-
row facing upwards.
3
4
Rs
Vs
PS
Sp
Fig. 13
– Connect the pipe (5) code 6277824 to the connection (U-Do-
mestic hot water output) of the fitting template and to the
boiler connection (U-DHW output) (
“Fig. 14”
)
– Connect the pipe (6) code 6226973 to the connection (G-Gas)
of the fitting template and to the boiler connection (G-gas)
(
“Fig. 14”
)
– Connect the pipe (7) code 6277832 to the connection (E-ACS
inlet) of the boiler and the domestic hot water storage tank
(
“Fig. 14”
)
5
U
G
7
6
Fig. 14
– Connect the pipe (8) code 6277828 to the plate heat exchan-
ger (Sp) (
“Fig. 16”
)
– Connect pipe (9) code 6277830 to the pipe (8) connection and
to the connection (MP- Heat Pump Delivery) of the fitting
template (
“Fig. 16”
)