L Combined length of the flue and air supply channel
Flue gas outlet connection
Air supply connection
Tab.16 Maximum length (L)
Diameter
250 mm
300 mm
Gas 320 Ace 285
Gas 320 Ace 355
Gas 320 Ace 430
88 m
Gas 320 Ace 500
76 m
Gas 320 Ace 575
53 m
Gas 320 Ace 650
38 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
Flue gas outlet connection
Air supply connection
Tab.17 Maximum length (L)
Diameter
300 mm
350 mm
400 mm
Gas 620 Ace 570
100 m
100 m
Gas 620 Ace 710
48 m
100 m
Gas 620 Ace 860
24 m
83 m
100 m
Gas 620 Ace 1000
-
38 m
90 m
Gas 620 Ace 1150
-
-
28 m
Gas 620 Ace 1300
-
-
-
(1) While maintaining maximum length, additional 5 times 90º or 10 times 45º
bends can be used (indicated for each boiler type and diameter).
Reduction table
Tab.18 Pipe reduction for each bend - radius 1D (parallel)
Diameter
250 mm 300 mm 350 mm 400 mm
45° bend
2.0 m
2.4 m
2.8 m
3.2 m
90° bend
3.5 m
4.2 m
4.9 m
5.6 m
4.5.5
Additional guidelines
Air supply filter
An air supply filter is separately available.
When installing the boiler in a room-ventilated setup (B
23
, B
23P
):
It is recommended to install the air supply filter if the boiler is installed in
a dusty room.
It is mandatory to install the air supply filter if the boiler is exposed to
construction dust.
Installation
For installing the flue gas outlet and air supply materials, refer to the
instructions of the manufacturer of the relevant material. After
installation, check at least all flue gas outlet and air supply parts for
tightness.
Fig.16
Different pressure zones Gas 320
Ace
AD-3001563-01
L = +
Fig.17
Different pressure zones Gas 620
Ace
AD-3001566-01
L = +
Fig.18
Bend radius 1D
AD-3001609-01
D
R=1D
4 Before installation
22
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