Legend - Honeywell BCU 370 Technical Information

Legend

10 Legend
88
Display
88
Blinking display
Ready
Safety interlocks (limits)
Start-up signal
Controlled air flow
Ignition transformer
Gas valve
Flame signal
Operating signal
Fault signal
Reset
Input signal
Output signal
Flame simulation check
Pressure switch
p
(DL for air, DG for gas)
Ignition/Ignition position
Three-point step controller
M
Actuator (in connection diagram)
BCU 370 · Edition 01.19 77