DURAG D-LX 721 - Operation with High Demand Mode

4 | Functional safety
30
D-LX 201/721
4.7 Operation with high demand mode
If the compact flame monitor is used in the high demand mode, the following paramet-
ers apply:
Mode
High demand mode
λ
sd
+ λ
su
1748 FIT
λ
dd
1848 FIT
λ
du
33 FIT
SFF
99.10 %
PFH
3.24 x 10
-8
/ h
Proof test interval
15 years
The proof test interval is longer than the 10-year planned service life specified based
on product standard EN 298. Proof testing can therefore be omitted within this period.