16
ENGLISH
Water connections
The following table gives the dimensions and positions of the
water fittings for
ACQUAHOME R BLU
boilers.
Before installing the boiler, flush out all the pipes of the central
heating circuit to remove any machining residues.
MI
RI
A
B
C
D
E
SC
Sf
DESCRIPTION
ACQUAHOME
R BLU
UM
A
650
mm
B
450
mm
C
39
mm
D
135
mm
E
486
mm
MI
(system delivery line)
1"
Ø
RI
(system return line)
1"
Ø
SC
(safety valve drain)
21
Ø
mm
Sf
(automatic drain valve drain)
11
Ø
mm
Boiler water circuit
RI
MI
2
A
3
4
1
5
6
7
D
C
B
1
Boiler body
2
Automatic vent valve
3
Pump
4
Safety valve
5
Burner
6
Expansion vessel
7
Drain cock
A
Safety thermostat
B
Delivery temperature probe
C
Pressure transducer
D
Return temperature probe
MI
Central heating flow
RI
Central heating return
