![AIC N 280 FS Скачать руководство пользователя страница 15](http://html1.mh-extra.com/html/aic/n-280-fs/n-280-fs_installation-and-maintenance-manual_2870757015.webp)
C
D
H
I J
K
L
M
N
O P
Q
E
F
B
A
G
600
500
200
500
Fig. 9. NESTA PLUS 570 & 840
Fig. 10. NESTA PLUS clearances
G-15
B-070343_EN • B
T
echnical
S
pecificaTionS
Connections
N 280 FS
N 420 FS N 570 FS
N 840 FS
supply/return connections ( )
Ø - [M]
in.
Flange DN80 Class PN16
gas connection ( )
Ø - [M]
in.
1
1/2
1
1/2
Flange DN 65
Class PN 6
Flange DN 65
Class PN 6
flue gas exhaust connection
Ø
mm
180
200
200
250
combustion air inlet connection
Ø
mm
150
150
250
250
condensate drain connection
Ø
mm
26,7
26,7
26,7
26,7
min. cross section area of air inlet
mm
2
17,662
17,662
49,062
49,062
Clearances
Min.
Recommended
top
mm
600
800
back
mm
500
700
front
mm
1,000
1,000
sides
mm
500*
* In a cascade configuration, boilers can be installed
side-by-side with a 200 mm clearance between them.
Side clearance must be complied with for the “outer”
side of the first and last boiler in the chain.
In case of gas conversion, side clearance must be at
least 500 mm