BCU 460, BCU 465 · Edition 11.19 86
Parameters
11.6.3 Auxiliary gas function
Parameter A077
One of the inputs at terminals 1 to 7 or 35 to41 must
be parameterized to the auxiliary gas function (param-
eter I061, I062,... or I074=19).
As soon as there is a signal at the input at terminal 1
to7 or 35 to41 and the BCU is operating (display
04
), valve V4 (terminal63) is opened depending on param-
eterA077.
Parameter A077 = 0: Off. The valve is not opened.
Parameter A077 = 1: Flame mode. In Flame mode, valve
V4 is opened as long as the auxiliary gas signal is re-
ceived at one of the terminals and the BCU is operating.
Parameter A077 = 2: flameless operation. In Flameless
mode, valve V4 is opened as long as the auxiliary gas
signal is received at one of the terminals and the BCU is
operating.
Parameter A077 = 3: operation. In Flame and Flameless
mode, valve V4 is opened as long as the auxiliary gas
signal is received at one of the terminals and the BCU is
operating.