BRIDGENET BUS BOILER DIAGRAM 3 DIRECT ZONES
AND DOMESTIC HOT WATER STORAGE CYLINDER
BUS
LPB
BUS
MENU
Engineer
Confi guration
Engineer
Confi guration
QX4
B9
BUS
LPB
BUS
BX1
COMPENSATOR
PARAMETER
5715
5890
Q6
ZONE 2
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
MANIFOLD
RVS
B3
VNR
Q3
DESCRIPTION
Heating circuit 2
(zone 2 activation)
Relay output QX1
(activation of zone 3 management)
QX1
Q2
ZONE 3
ZONE 1
CIRCULATION PUMP
CIRCULATION PUMP
S
U
T
S
Q6
N
QX1
N
Y2
N
Y1
Q2
N
M
B2
n
p
n
k
h
f
B3
BX1
STORAGE CYLINDER
PROBE
PROBE
B9
OUTDOOR PROBE
Q2
ZONE 1
Q6
ZONE 2
QX1
ZONE 3
Heat circuit pump HCP Q20
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
On
N
L
N
L1
BSB
LPB
13