Potterton SIRIUS FS 50-70 Installation, Operation And Maintenance Manual page 15

Insert the flue-gas union
and fasten the connector
to the flue-gas thermo-
stat
RR: heating return
GAS: gas inlet to the boiler
SC: condensate drain
Figure 5
Model Depth Height
(mm)
A
FS 50 621
FS 70 693
Table 1
INSTRUCTIONS PERTAINING TO THE INSTALLER
Widht Gas
(mm) (mm)
850 450 G
850 450 G
Fitting Fitting
F R
(CH) (CH)
3 / " G 1'' G 1''
4
3
/ " G 1'' G 1''
4
15
Water contents
( l )
5,1
6,5
7115344.01 - en