BCU 460, BCU 465 · Edition 11.19 32
Function
A4
Controlled shut-down via ϑ signal
▼
A0
If min. operating time t
B
has elapsed:
operation signalling contact opens,
gas valves close and
running time (A042) starts to elapse
▼
Over-run time (post-ventilation) t
NL
running(A039)
00
Air actuator is closed,
running time starts to elapse (A042)