Kromschroder FCU 500 - Page 30

FCU 500, FCU 505 · Edition 02.17 30
Air control
After the burner operating signal from the burner con-
trol units has been received, the FCU enables the con-
trol system for operation. For pertinent parameter set-
tings, see page 101 (Burner operating signal).
B
CU
V
1
B
CU
V
1
F
C
U 5
00
..F1
µC
5
4
55
53
1
6
7
(
BCU..F0
)
+24
V
L
1
M
4
+24V
4
54 55
53
M
Depending on parameter 40, actuators IC 20 and IC 40,
an actuator with an RBW interface or a fan controlled
by a frequency converter can be actuated via the out-
puts for central capacity control, see page 91 (Ca-
pacity control).