17
INSTALLATION
2.6
Water connections
The following table gives the dimensions and positions of the
water fittings for
INSIEME EVO 32 BS/100 LN
boilers.
Before installing the boiler, flush out all the pipes of the central
heating circuit to remove any machining residues.
MI
RI
UACS
RC
EAFS
SC
G
A
B
C
D
E
F
DESCRIPTION
INSIEME EVO 32
BS/100 LN
A
85
mm
B
125
mm
C
235
mm
D
395
mm
E
950
mm
F
1020
mm
G
45
mm
MI (CH flow)
1” M
Ø
RI (CH return)
1” M
Ø
UACS (domestic hot water outlet)
1/2" M
Ø
RC (recirculation)
1/2" M
Ø
EAFS (domestic cold water inlet)
1/2" M
Ø
SC (drain)
10
Ø
2.7
Boiler water circuit
CENTRAL HEATING RETURN
CENTRAL HEATING FLOW
DHW outlet
DHW circulation
Domestic cold water inlet
8
10
8
9
7
7
5
5
6
4
3
2
1
1
Boiler body
2 Automatic vent valve
3 Non-return valves
4 Pumps
5 Expansion vessel
6 Burner
7 Safety valve
8 Drain cock
9 Storage cylinder
10 Filling cock