Honeywell BCU 460 Technical Information page 32

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