appliances may be located in the external
perimeter walls of the building.
To provide some indications of possible solu-
tions,
Table 1
gives the minimum distances
to be observed, with reference to the type
of building shown in fig. 5/a.
2.6
SEPARATE PIPES ø 80
A special kit may be used to separate the
flue gas outlet from the fresh air intake. The
intake may be installed to the right or left of
the flue gas outlet. Both ducts may be orien-
ted in any direction. Refer to fig. 8 for posi-
tioning.
The maximum overall length of the
intake and exhaust ducts depends on the
head losses of the single fittings installed
(excluding the doublers) and must not be
greater than 15,5 mm H
2
O.
For head los-
ses in the fittings, refer to
Table 2
.
2.6.1
Separate pipe accessories
Kit code 8089911 is supplied for this pur-
pose (fig. 9).
2.8
ELECTRICAL CONNECTION
Wiring external to the appliance must be in
accordance with the current I.E.E Wiring
regulations (BS 7671) for electrical installa-
tion and any local regulations, which apply.
Connection to the mains supply must facili-
tate complete electrical isolation of the
appliance. Either a 3A fused three pin plug
and un-switched shuttered socket outlet,
9
15
5
Ø 80
Ø 80
10
5
P
L
CA
K
Z
CS
KEY
CA
Inlet
CS
Outlet
Fig. 8
DEWY 30/130 HE FS
K mm
348
L mm
263
P mm
230
Z mm
315
1
2
3
4
5
3
KEY
1
Blind flange
2
Flue gas duct flange
3
Fixing screw
4
Gasket ø 125/95
5
Intake duct collar
Fig. 9
TABLE 2
Accessories ø 80
Head loss (mm H
2
O)
Inlet
Outlet
Roof outlet
90° elbow MF
0.30
0.50
–
45° elbow MF
0.20
0.40
–
Extension L. 1000 (horizontal)
0.20
0.40
–
Extension L. 1000 (vertical)
0.30
0.30
–
Outlet terminal
–
0.40
–
Inlet terminal
0.10
–
–
Doubler fitting
0.30
–
–
Roof outlet terminal L. 1381
–
–
0.60
