Ariston microSYSTEM 21 RFFI Installation Instructions Manual - Page 12
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Exhaust
Type
21 RFFI
C12 (xx)
Coaxial
C32 (xx)
Systems
C42 (xx)
ø 60/100
Exhaust
Type
28 RFFI
Coaxial
C12 (xx)
Systems
C32 (xx)
ø 60/100
C42 (xx)
Exhaust
Type
21 RFFI
C12 (xy)
C32 (xy)
Twin Pipe
C42 (xy)
Systems
ø 80/80
C52 (xy)
C82 (xy)
Exhaust
Type
28 RFFI
C12 (xy)
C32 (xy)
Twin Pipe
C42 (xy)
Systems
ø 80/80
C52 (xy)
C82 (xy)
T
P
WIN
IPE
S
YSTEMS
F
. 2.10
IG
Maximum
Restrictor
ø 46 mm
Extension
Exhaust/Air
L min = 0.5 m
L = 4 m
L max = 1 m
Maximum
Restrictor
ø 41 mm
Extension
Exhaust/Air
L min = 0.5 m
L = 4 m
L max = 1 m
Restrictor
Maximum
ø 46 mm
Extension
Exhaust/Air
34 m
L max = 25 m
34 m
34 m
L max = 22 m
31 m
Restrictor
Maximum
ø 41 mm
Extension
Exhaust/Air
62 m
L max = 38 m
62 m
62 m
L max = 34 m
54 m
Risk of Condensation Forming
Piping not insulated
ø 46
restrictor
NO restrictor
NONE
NONE
Risk of Condensation Forming
Piping not insulated
ø 41
restrictor
NO restrictor
NONE
NONE
Risk of Condensation Forming
Piping not insulated
ø 46
NO
restrictor
restrictor
3.0 m
4.5 m
3.3 m
4.8 m
Risk of Condensation Forming
Piping not insulated
ø 41
NO
restrictor
restrictor
8 m
11 m
8 m
11 m
12
Piping insulated
ø 46
restrictor
NO restrictor
NONE
NONE
Piping insulated
ø 41
restrictor
NO restrictor
NONE
NONE
Piping insulated
ø 46
NO
restrictor
restrictor
12.5 m
16.0 m
14.0 m
17.8 m
Piping insulated
ø 41
NO
restrictor
restrictor
19 m
31 m
19 m
31 m
In calculating the lengths of the pipes, the
maximum length "L" must also take into
consideration
the
exhaust/air intake end terminals, as well
as 90° elbows for coaxial systems.
The C52 types must comply with the
following requirements:
1 - The exhaust/ air intake pipes must
have the same diameter of
2 - If elbows are to be inserted into the
air intake and/or exhaust system, the
calculation of the overall length must
take into consideration the values for
each elbow, see the F
A
M
CCESSORIES
ANUAL
3 - The exhaust pipe must protrude by at
least 0.5 m above the top of the roof
in the event that it is located on the
opposite side of the building to the
side with the air intake (this condition
is not obligatory when the air intake
and exhaust are located on the same
side of the building).
T
2.1
ABLE
values
for
the
80 mm.
ø
P
L U E
I P E
.