Choice Of Flue - Biasi Inovia 25S ERP User Manual And Installation Instructions

INCORRECT system for installing
S
A
Fig. 6.7
A = air intake
S = flue exhaust
6.8

Choice of flue

The flue exhaust/air intake can be installing
in the mode:
C C C C
13 33 53 63
Refer to the sheet provided with the pre-
selected kit, in separate packaging.
The horizontal routes of the flue pipes must
incline about 1.5 degrees (25 mm per me-
ter).
The terminal must be higher
than the infeed boiler side.
The single coaxial pipe with terminal must
be horizontal because the drain pipe is al-
ready angled.
The following kits to be connected to the
boiler are available:
- 40 -
INSTALLATION
Wall flue exhaust kit (Fig. 6.8 A)
S
Fig. 6.8
Coaxial pipe Ø 60/100 mm with a nominal
length of 915 mm.
This kit allows the flues to be exhausted in
the rear wall or at the side of the boiler.
The minimum length of the pipe must be no
less than 0.5 m, whilst the maximum with
the aid of extensions must not exceed 10 m.
Vertical flue exhaust kit with 90° bend
(Fig. 6.8 B)
Coaxial pipe Ø 60/100 mm.
This kit allows the boiler exhaust axis to be
lifted by 635 mm.
The length must be no less than 0.5 m,
whilst the maximum with the aid of exten-
sions must not exceed 10 m in horizontal
and however, the terminal must always ex-
haust horizontally.
Additional bends at 45° or 90° (Fig. 6.8 C)
Coaxial bends Ø 60/100 mm.
These bends when used with the pipe re-
duce the maximum length of the flue pipe
by:
Type C
13
B
A
For the bend of 45° loss
For the bend of 90° loss
90°
C
45°
0,5 m
1 m