L Length of the flue to roof terminal
Flue gas outlet connection
Tab.13 Maximum length (L)
Diameter
250 mm
300 mm
350 mm
Gas 620 Ace 570
50 m
50 m
Gas 620 Ace 710
31 m
50 m
50 m
Gas 620 Ace 860
20 m
50 m
50 m
Gas 620 Ace 1000
11 m
39 m
50 m
Gas 620 Ace 1150
5 m
26 m
50 m
Gas 620 Ace 1300
3 m
19 m
50 m
(1) While maintaining maximum length, additional 5 times 90º or 10 times 45º
bends can be used (indicated for each boiler type and diameter).
Room-sealed system (C
33
, C
63
, C
93
)
With a room-sealed system, both the flue and the air supply are
connected.
L Combined length of the flue and air supply channel to the roof
terminal
Flue gas outlet connection
Air supply connection
Tab.14 Maximum length (L)
Diameter
250 mm
300 mm
Gas 320 Ace 285
Gas 320 Ace 355
Gas 320 Ace 430
100 m
Gas 320 Ace 500
100 m
Gas 320 Ace 575
68 m
Gas 320 Ace 650
48 m
(1) While maintaining maximum length, additional 5 times 90º or 10 times 45º
bends can be used (indicated for each boiler type and diameter).
L Combined length of the flue and air supply channel to the roof
terminal
Flue gas outlet connection
Air supply connection
Tab.15 Maximum length (L)
Diameter
300 mm
350 mm
400 mm
Gas 620 Ace 570
100 m
100 m
Gas 620 Ace 710
86 m
100 m
Gas 620 Ace 860
52 m
100 m
Gas 620 Ace 1000
26 m
70 m
100 m
Gas 620 Ace 1150
10 m
32 m
48 m
Gas 620 Ace 1300
-
20 m
24 m
(1) While maintaining maximum length, additional 5 times 90º or 10 times 45º
bends can be used (indicated for each boiler type and diameter).
Connection in different pressure zones (C
53
)
The maximum permitted height difference between the air supply terminal
and the flue gas outlet is 36 m.
Fig.13
Room-ventilated system Gas 620
Ace
AD-3001564-01
L =
Fig.14
Room-sealed system Gas 320 Ace
AD-3001562-01
L = +
Fig.15
Room-sealed system Gas 620 Ace
AD-3001565-01
L = +
4 Before installation
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