7
Boiler block assembly
Logano G615 - Subject to technical modifications
25
7.6
Inserting the lower distribution tube
(fittings crate)
B
Mount the tapped hole for the drain connection on the
bottom boiler hub behind the flange
(edge length 5 – 1/8" (130 mm)) with R ¾ ".
B
Fit customer-supplied boiler drain valve.
Fig. 24 Fitting the flange
1
Fill and drain connection
2
Bottom boiler hub (rear)
B
Push the lower distribution tube element with spring
(L
3
) into the bottom boiler hub first.
B
Hook the other lower distribution tube elements (L
2
)
into one another according to the detailed drawing.
B
As the last lower distribution tube element, hook in the
one with the handle (L
1
).
B
Close off bottom boiler hub with flat gasket and flange
cover.
Fig. 25 Inserting the lower distribution tube
1
Lower distribution tube element L
3
2
Lower distribution tube element L
1
3
Flat gasket
4
Flange cover
5
Lower distribution tube element L
2
The customer-supplied boiler fill and drain
valve is only used as a drain valve here.
The length and number of the lower
distribution tube elements depends on the
boiler size and can be determined using
Æ
Table 10 below.
6 720 642 625-21.1o
2
1
Elements
9
10
11
12
13
14
15
16
L
1
18 29/32"
(480 mm)
1
–
–
1
–
1
–
–
25 19/32"
(650 mm)
–
1
1
–
1
–
1
1
L
2
20 5/64" (510
mm)
1
1
– 2
2
– – 3
26 49/64"
(680 mm)
–
–
1
–
–
2
2
–
L
3
17 23/32"
(450 mm)
1
Tab. 10 Length and number of the lower distribution
tube elements
6 720 642 625-22.1o
1
2
3
4
5
