Air Actuator Can Be Activated Externally On Start; Air Actuator In The Event Of Fault - Honeywell BCU 460 Technical Information

Parameters
11 .8 .8 Air actuator can be activated externally on
start-up
Parameter A049
Parameter A049 = 0: cannot be activated.
00 A0 A2
t
During start-up, the air actuator remains closed. The air
actuator cannot be activated externally.
Parameter A049 = 1: can be activated externally.
00 A000 A0 A2
t
The air actuator can be activated externally via the input
at terminal 4 during start-up. Parameter A048 must be
BCU 460, BCU 465 · Edition 11.19
A3 A4 88
L
35
1
ϑ
51
22
60
V1
61 V2
4
A
65 ∨ 66
82
1
96
t
t
Z
FS
t
SA
A3 A4 88
L
35
1
ϑ
51
22
60
V1
61 V2
4
A
65 ∨ 66
82
1
96
t
t
Z
FS
t
SA
set to 0 for this purpose, see also page 93 (Air actua-
tor control).

11 .8 .9 Air actuator in the event of fault

Parameter A050
This parameter decides whether the air actuator can
be activated externally via the input at terminal 4 in the
event of a fault lock-out.
Parameter A050 = 0: cannot be activated. The air ac-
tuator remains closed in the event of a fault lock-out. It
M
cannot be activated externally via terminal 4.
Parameter A050 = 1: can be activated externally. The
air actuator can be activated externally via the input at
terminal 4 during a fault, e.g. for cooling.
M
95