Room Sealed Type - Potterton iHE 100/300 Installation And Servicing Instructions

R S F (T
OOM EALED LUE YPE
There are three approved room sealed arrange-
ments where both the air inlet and fl ue discharge
terminate outside the building.
T C & C F
YPE LUE AND AIR DUCTS TERMINATE
13 33
EITHER HORIZONTALLY OR VERTICALLY IN THE SAME
POSITION
Flue and air ducts are supplied to a concentric
design (130/200mm). See Fig 3.5 for component
choices. Flues should slope back to the Heater by
3 degrees.
Terminal positions must comply with the require-
ments detailed in Fig. 3.4, page 13.
V R
ENTILATION EQUIREMENTS
Where the appliance is installed in a ROOM or
COMPARTMENT no additional ventilation is re-
quired.
C AND C
FLUE TERMINAL ARRANGEMENTS
13 33
iHE
C )
XY
(T C C & C )
YPE
13, 33 53
Clips every
1000 mm
MAXIMUM FLUE LENGTHS
The combustion fan fi tted to the appliance moves
the air and fl ue products through the system and
can provide suffi cient capacity for a Flue Equiva-
lent Length (FEL) of 18 metres for type C
C systems and 30 metres for type B
33
Each fl ue accessory such as bends and straight
lengths restrict the fl ue system and have a FEL
which must be added together to determine the
total.
Referring to the diagrams (Fig 3.5 & 3.6) select a
suitable fl ue system for the particular installation
requirement and then calculate the FEL of the
system, this must not be greater than that stated
above.
13
and
13
system.
23
Fig 3.3