4.7.4.
Safety unit
9
Isolating valve
28
Domestic cold water inlet
29
Pressure reducer
30
Safety unit
54
End of the discharge pipe free and visible 2 to 4 cm above
the flow funnel
a
Cold water inlet with an integrated non-return valve
b
Connection to the DHW calorifer cold water inlet
c
Stop cock
d
0.7 MPa safety valve (7 bar)
e
Drain opening
4.8
Hydraulic connections
4.8.1.
Hydraulic connection of the primary circuit
(exchanger circuit)
¼
See diagram : "Hydraulic installation diagram", page 15.
For the hydraulic connection of 150 l to 300 l tanks and the boiler (right
or left), we offer optional hydraulic connection kits.
For connection using these kits, refer to the instructions delivered with
them.
4.8.2.
Connecting the calorifer to the domestic
water circuit (secondary circuit)
When making the connections, it is imperative that the standards and
corresponding local directives are respected. To reduce heat losses
as much as possible, insulate the pipes.
n
Specific precautions
Before making the connection,
rinse the drinking water inlet
pipes
in order not to introduce metal or other particles into the
appliance’s tank.
L000370-B
d
(54)
2 cm
9
9
29
17
27
30
28
BL 150...500-2
4. Installation
18/11/2015 - 7607674-001-04
18
