BRIDGENET BUS BOILER DIAGRAM
EXTRA - DHW RECIRCULATION
BUS
LPB
BUS
MENU
Engineer
Confi guration
Engineer
Confi guration
QX4
B9
OUTDOOR PROBE
BUS
LPB
BUS
BX1
MANIFOLD
PROBE
COMPENSATOR
PARAMETER
5891
5931
QX2
RECIRCULATION
CIRCULATION PUMP
Z
U
U
T
QX4 FX4 EX2
QX3
N
QX2
N
Y6
N
Y5
M UX M BX4 M BX3 M H3 M B12 M BX2 M BX1 M B1 M H1 M B9 M B3
n
n
n
n
p
n
BX2
RECIRCULATION
PROBE
RVS
CASCADE MANAGER
B3
STORAGE CYLINDER PROBE
VNR
Q3
STORAGE
CYLINDER
CIRCULATION PUMP
DESCRIPTION
Relay output QX2
(recirculation pump activation)
Input probe BX2
(recirculation probe activation)
S
U
T
S
Q6
N
QX1
N
Y2
N
Y1
Q2
N
M
B2
n
p
n
k
h
f
B3
STORAGE
CYLINDER PROBE
B9
OUTDOOR PROBE
BX1
MANIFOLD PROBE
BX2
RECIRCULATION
PROBE
QX2
RECIRCULATION
CIRCULATION PUMP
Circulating pump Q4
DHW circulation sensor B39
Q3
STORAGE CYLINDER
CIRCULATION PUMP
R
Q
P
Q3
N
SK2 SK1 4 S3 T2 T1
N
L1
S3 L1
G+CL-CL+CL-CL+CL-CL+
MB DB
XBD
b
b
b
a
BUS
BOILER
CONNECTION
RVS
CASCADE MANAGER
GB
VALUE
N
L
N
L1
BSB
LPB
17