Potterton Sirius FS 50 Installation, Operation & Maintenance Manual page 15

Insert the flue-gas union
and fasten the connector
to the flue-gas thermo-
stat
MR: heating flow
RR: heating return
GAS: gas inlet to the boiler
SC: condensate drain
Figure 5
Model Depth Height
(mm) (mm)
A
FS 50
621
FS 70
693
Table 1
InstructIons pertaInInG to the InstaLLer
Widht Gas
(mm) fitting
850 450 G /
3
850 450 G /
3
4
Fitting Fitting
F R
(CH) (CH)
" G 1'' G 1''
4
" G 1'' G 1''
15
Water contents
( l )
5,1
6,5
912.822.1 - GB