12
CONNECTION TO THE DOMESTIC WATER SYSTEM
CONNECTION TO A PUMP FOR CONTINUOUS RECIRCULATION
Make the connections to the pipes of the systems so that they:
• Allow unit maintenance operations .
• Allow access and removal of any accessories .
Make the connection to the system at the place indicated [COLD WATER
INLET] and the delivery to the system at the place indicated
[HOT WATER OUTLET]
Install a one-way valve C between the tank and the water system .
For correct commissioning, make sure to install a shut-off valve A and an
expansion tank B of suitable capacity .
A circuit can be created for the continuous circulation of domestic water
by connecting a circulating pump (not controlled by the unit) to the
delivery branch, to be connected in the position indicated on the tank
[CIRCULATION]
WATER CONNECTIONS
Data
Value
U .M
IN connection
3/4 F
"
OUT connection
3/4 F
"
Data
Value
U .M
Recirculation Connection
3/4 F
"
A
B
C
Fig .1
Fig .2
GENERAL
When using plumbing connections with metal pipes, it is advisable to fit
the plastic nipples supplied in order to limit the initiation of oxidation near
the connections .
