Riello 20165080, Installation, Operation And Service Manual

Page: 18 / 56

18
INSTALLATION
2.5 Water connections
The following table gives the dimensions and positions of the water fittings on RTC-80 boilers.
Before installing the boiler, flush out all the pipes of the central heating circuit to remove any machining residues, oils, scale, dirt and
debris.
RTC 1000-80 ÷ RTC 4700-80
M M
7
6
5
H
A
N
B
8
F
E D C
2
3 4
1
2 3/4 ’’
(70 mm)
I
G
L
O
RTC 5500-80
M M
7
2
6
5
H
I
F
P
G
L O
A
N
B
E D C
2
8
3
4
1