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6
Positioning the boiler
6.2
Recommended wall clearances
38-9/16"
38 37/64"
15-3/4"
≥ 15 3/4"
(980 mm)
(400 mm)
Fig. 6
Installation room with boiler
Observe the recommended wall clearances for complete
opening of the burner door, for boiler installation and for
cleaning and maintenance ( Fig. 6 and Tab. 9).
The burner door can be right or left hung/opening (the boiler is always
supplied with the door attached on the right).
When installing your boiler maintain the recommended minimum
dimensions. Select the recommended clearances between wall and
boiler for easy access for installation, maintenance and service work.
The wall clearance on the hinge side must be at least the burner
projection (AB). A distance of AB + 3 – 15/16" (AB + 100 mm) from the
wall is recommended.
Boiler capacity
Boiler
MBH (kW)
sections
819 – 1.194
7 – 9
(240 – 350)
1,365 – 1,740
10 – 12
(400 – 510)
Table 9
If you do not observe the recommended minimum clearance ( Fig. 6),
you will not be able to use the cleaning kit (accessory). Alternatively,
shorter cleaning devices or wet cleaning may be used. Alternatively
shorter cleaning devices or wet cleaning may be used.
12
AB + 4"
(AB+100 mm)
6 720 642 623-04.1o
Clearance A in inches (mm)
Recommended
minimum
66 –15/16" (1700) 39 – 3/8" (1000)
86 – 39/64" (2200) 39 – 3/8" (1000)
6.3
Installing the boiler on a boiler base or foundation
33-1/2"
33 1/2"
(850 mm)
4"
(100 mm)
21-1/4"
21 1/4"
(540 mm)
Fig. 7
Base dimensions (dimensions in inches (mm))
A silencing boiler base is available as an accessory from
Buderus.
If this boiler base is not used, a concrete foundation can be constructed
on-site. When building the base, a
3 – 15/16 × 1 – 31/32 × 5/16 inches (100 × 50 × 8 mm) steel angle
or 3 – 15/16 × 13/64 inches (100 × 5 mm) steel flat should be
incorporated, to ensure that the boiler sections can slide when the boiler
is installed ( Fig. 7 and Tab. 10).
When building the bases, consider to which side the
burner swings out (left or right-hand burner door stop
( Fig. 6, page 12).
It is advisable to place the boiler on a 2 – 4 inch (50 – 80 mm) tall base
( Fig. 7, [1]). The installation area must be completely flat and level.
The front edge of the boiler should be flush with the edge of the base.
Number of boiler
L1
sections
(base) in inch (mm)
7
53 – 35/64 (1360)
8
60 – 15/64 (1530)
9
66 – 59/64 (1700)
10
73 – 5/8 (1870)
11
80 – 5/16 (2040)
12
87 (2210)
Table 10
1
6 720 642 623-05.1o
L2
(steel section) in inch (mm)
46 – 27/32 (1190)
53 – 35/64 (1360)
60 – 15/64 (1530)
66 – 59/64 (1700)
73 – 5/8 (1870)
80 – 5/16 (2040)
Logano G515 – 6 720 647 208 (2014/09)
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