Sime Planet Dewy 30 BFR Manual Del Usuario página 89

2.7.2 Connection with
existing flues
The ø 80 flue gas pipe may be connected to
an existing flue.
When the "PLANET DEWY 30 BFR" boiler
is running at a low temperature, a regular
flue may be used under the following condi-
tions:
– No other boiler must be using the flue.
– The flue interior must be shielded
from direct contact with condensation
from the boiler.
The products of combustion must be
conveyed through a flexible or rigid pla-
stic pipe around 100 to 150 mm in dia-
meter, and condensation must be sipho-
ned off at the foot of the pipe.
The usable height of the water trap must
be at least 150 mm.
2.7.3 Separate-pipes roof outlet
The roof outlet terminal L. 1381 cannot be
shortened and when positioning the tile, the
minimum distance from the discharge head
terminal must not be less than 700 mm
(fig. 13). The accessories to be used for this
type of installation and some of the connec-
ting systems that may be adopted are illu-
strated in fig. 14. There is the possibility of
doubling the air-intake and smoke-outlet
pipes and then bringing them back together
again so as to obtain a concentric dischar-
ge by using the doubler fitting (9 fig. 14). In
these cases, when assembling, recover the
silicone gasket used on the terminal adap-
ter (5 fig. 13), which is to be replaced by the
doubler, and insert it into the seat made in
the doubler.
For this type of discharge the sum of the
maximum rectilinear development
allowed for the pipes must not exceed
15,5 mm H O.
2
When calculating the lengths of pipe, take
into account the parameters given in the
Table 2.
KEY
1 Separate pipes kit code 8089911
2 90° elbow MF code 8077450 (6 pz.)
3 90° elbow MF with take-off points code 8077452
4 a Extension L. 1000 code 8077351 (6 pz.)
4 b Extension L. 500 code 8077350 (6 pz.)
6 Int.-est. ring kit code 8091500
7 Inlet terminal code 8089500
9 Doubler fitting code 8091400
10 Tile with articulated joint code 8091300
11 Roof outlet terminal L. 1381 code 8091204
KEY
1 Tile with articulated joint
2 Lead panel
3 Collar
4 Locking screw
5 Reducing fitting
NOTE
Before connecting accessories, it is always advisa-
ble to lubricate the internal part of the gaskets with
silicon products. Avoid using oils and greases.
IT
ES
PT
GB
with washer
Fig. 13
Fig. 14
87