Honeywell krom schroder BCU 440 - Zonal Series Wiring

BCU 440 · Edition 01.17 10
1 2 3 5
PE
7 8 9 12 13 16 17 18 19 20
N
n
s
s1
N
88
c1
BCU 440
V1
F1
v1
c2
max. 2 A,
253 V
max. 2 A,
253 V
V1 C N S
C
O
I
1
Z I
1 2 3 5
PE
7 8 9 12 13 16 17 18 19 20
N
n
s
s1
N
88
c1
BCU 440
V1
F1
v1
c2
max. 2 A,
253 V
max. 2 A,
253 V
V1 C N S
C
O
I
2
Z I
1 2 3 5
PE
7 8 9 12 13 16 17 18 19 20
N
n
s
s1
N
88
c1
BCU 440
V1
F1
v1
c2
max. 2 A,
253 V
max. 2 A,
253 V
V1 C N S
C
O
I
n
Z I
L1
(L1)
L2
(L1)
PE
ϑ
Function
3.1.1 Zonal series wiring
For cable selection and wiring, see
page 19 (Project planning infor-
mation).
For the explanation of symbols, see
page 33 (Legend).