41
5.12.2 Smoke outlet and air inlet (combustion/heat
pump)
m
WARNINGS
Murelle Revolution 30
boilers must be installed and
used with smoke outlet ducts and combustion/heat
pump air inlet ducts fitted as specified below.
If in-
stalled outside in a partially protected place, the basic
configuration with a 90° elbow and inlet/outlet terminal
is still required as a minimum
.
Permitted outlets
C53
C63
C83
C53
Separate wall or roof inlet and outlet in different
pressure areas.
C83
Outlet in single or shared flue or with inlet on
wall.
Fig. 57
m
WARNINGS
When the smoke outlet is wall mounted, the smoke
outlet duct must be positioned at least 500 mm above
the air duct.
1
2
Fig. 58
m
WARNINGS
– The smoke flue and the connection to the flue pipe
must be in compliance with the national and local
Standards and Legislation in force.
– The use of rigid ducts which are resistant to tem-
perature, condensate, mechanical stress and are
air-tight is compulsory.
– Outlet ducts which are not isolated are a risk of
danger.
5.12.3 Coaxial ducts (Ø 160/200 mm) for air inlet/
outlet (combustion/heat pump)
Coaxial ducts (Ø 160/200 mm) are used for the combustion air
inlet and also for the heat pump inlet/outlet. A space is required
between the two ducts to prevent condensation from forming.
1
2
Fig. 59
KEY:
1
Combustion/heat pump air inlet
2
Heat pump air outlet
Air coaxial accessories
Description
Code
Ø 160/200 mm
Extension MF PP Ø 160/200
L=1000
8077360
Extension MF PP Ø 160/200
L=500
8077361
Elbow Ø 160/200 90° PP MUR.
REV
8089930
Elbow Ø 160/200 45° PP MUR.
REV
8089931
Inlet/outlet terminal MUR.
REVOL.
8089550
Load loss - Equivalent lengths
Model
Leq (linear metres)
Ø 160/200 mm
90° curve
1,5
45° curve
1
Maximum lengths of straight tracks
Model
Duct length Ø 160/200
L Horizontal
(m) (*)
H Vertical (m)
(*)
Inlet
Outlet
Inlet
Outlet
Murelle Revolution 30
3
3
4
4
(*) The max. length of the straight track already includes a 90°
elbow. Any shortening of one of the two tracks DOES NOT PER-
MIT equal lengthening of the other.
