Honeywell BCU 460 Technical Information page 29

Function
Terminal Type
60, 30
61, 31
Valve outputs
62, 32 (AC mains voltage)
63, 33
LM..F1:
64, 65,
66, 67
Outputs
(AC mains voltage)
LM..F3:
65, 66,
67
80, 81
82
95
96, 97
Floating contact
85
86, 87
90, 91
92
BCU 460, BCU 465 · Edition 11.19
Designation
Gas valve V1
Gas valve V2
Gas valve V3
Gas valve V4
Capacity control
Air valve control
Fault signal
Operation
Parameter-dependent function
Parameter-dependent function
Function
Connection for gas valve V1
Connection for gas valve V2
Connection for gas valve V3
Connection for gas valve V4
Connections for capacity control using an actuator
Connections for air valves
Contact between terminals 80/81 and 82 closes in the event of a BCU fault lock-out.
Contact between terminals 95 and 96 closes once the operating signal has been received
from burner 1.
Contact between terminals 95 and 97 closes once the operating signal has been received
from burner 2.
Contact can be adjusted depending on parameter I054
Contact can be adjusted depending on parameter I051
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