Honeywell BCU 460 - Page 29

BCU 460, BCU 465 · Edition 11.19 29
Function
Terminal Type Designation Function
60, 30
Valve outputs
(AC mains voltage)
Gas valve V1 Connection for gas valve V1
61, 31 Gas valve V2 Connection for gas valve V2
62, 32 Gas valve V3 Connection for gas valve V3
63, 33 Gas valve V4 Connection for gas valve V4
LM..F1:
64, 65,
66, 67
Outputs
(AC mains voltage)
Capacity control Connections for capacity control using an actuator
LM..F3:
65, 66,
67
Air valve control Connections for air valves
80, 81
Floating contact
Fault signal Contact between terminals 80/81 and 82 closes in the event of a BCU fault lock-out.
82
95
Operation
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.
96, 97
85
Parameter-dependent function Contact can be adjusted depending on parameter I054
86, 87
90, 91
Parameter-dependent function Contact can be adjusted depending on parameter I051
92