22
– Create the assembly consisting of the pipe (15) code 6277831,
the check valve (Vr) with the arrow facing downwards, the
low temperature system pump (PI) and the pipe (16) code
6277835; connect the assembly to the puffer and to the con-
nection (M-System delivery) of the fitting template (
“Fig.
18”
).
M
16
PI
Vr
15
Fig. 18
– Connect the pipe (17) code 6277833 to the connection
(M-delivery) of the boiler and to the puffer
M-boiler
17
Fig. 19
– Fit the domestic hot water expansion valve code 6245108 to
the prearranged bracket in the built-in frame and secure it
using the counternut supplied
– Connect the flexible tube code 6017401 to the domestic hot
water expansion vessel and to the connection (Z) of the pipe
(3) ensuring that the vessel, when undergoing maintenance,
can be moved without needing to be even partially drained.
– Before filling the system, close all the unused connections of
the storage tank and the pipes using the bronze plugs supplied
Z
Ve
Fig. 20
m
IMPORTANT
When these operations have been completed IT IS MANDATORY TO:
–
CHECK THE TIGHTNESS of all the joints.
–
COMPLETE THE INSULATION of the pipes and ALL the devices involved (for example, PI pump, Vr valve, puffer bleed device, etc)
using the same insulation parts as those present and the specific insulation tape.
It is advisable that the pipes already supplied as insulated are completed.
