Function; Part Designations - Honeywell BCU 460 Technical Information

Function

3 Function

3 .1 Part designations

9
8
7
6
LED display for program status and fault messages
To display the program status or fault message and, in conjunction
1
with the Reset/Information button, to display the flame signal and the
fault history or to view and set device parameters.
On/Off button
2
To switch the control unit on or off
Reset/Information button
To reset the control unit to its starting position in the event of a fault.
3
System faults (internal errors) can only be acknowledged using this
button.
4
Connection for opto-adapter
5
BCU type label
6
Power module, replaceable
7
Power module type label
8
Parameter chip card (PCC), replaceable
9
Bus module, replaceable
10
M5 screw terminal for burner ground
There are two control keys for the control unit:
BCU 460, BCU 465 · Edition 11.19
5
10
ON/OFF
OK
Use the ON/OFF key to switch the control unit on or off.
Reset/Information
The control unit is reset to its starting position in the event of a fault
using the Reset/Information button.
During operation, the LED
1 status. The flame signal intensity, the fault history and
the parameters can be called up on the display by re-
2
peatedly pressing the Reset/Information button (for
3
1 s). The parameter display is ended 60 seconds after
4
the last time the button is pressed or by switching off
the BCU. When the BCU is switched off, – – is displayed.
The parameters cannot be scanned when the BCU is
switched off or when a fault/warning is displayed.
Display Information
Flame signal intensity:
F1
Burner 1
H0
Last event message
to
to
H9
tenth to last event message
001
Parameter 001
to
to
999 parameter 999
display 1 shows the program
20