Fig.102 Hardware configuration cascade
AD-3001544-01
A
B
B
B
B
A Master appliance
B Slave appliance
Electrical connections
Fig.103 Master - slave connections
AD-3001545-01
N
L
B
N
N L
B
+
TS
N L
A
+
TS
A
N
S.SYST.1 S.SYST.2
S.DHW
S.DEP.C
S.DEP.B
S.DEP.A
RU.A
S
out
RU.B
RU.C
1
2
3
4
+
0-10V
-
+TA-
6
.3
AT
F
1
X12
X8
X13
X15
X14
X17
S-BUS
X1
X9
X11
X2
X3
X4
X5
X10
RS
L-BUS
S-BUS
S-BUS
S-BUS
A
B
B
B
C
C
D
D
D
A SCB-10 (mounted in master appliance)
B Device with S-BUS connection (mounted in slave
appliance)
C Terminator connector
D S-BUS cable
Settings
Depending on the requirements the following parameters need to be
checked and adjusted.
Tab.77 Parameter settings
Code
Display text
Advice
AP083
Enable master func
Set this value to enable (1) for the appliance which is the master. The slaves
should have this parameter set to disable (0).
NP005
Cascade Permutation
Default the master boiler is number 1, but this can be changed with this param
eter.
NP006
Cascade Type
Select traditional or parallel control.
NP007
CascTOutsideHeatParl
Set the outdoor temperature triggering all appliances in cascade to start up at
the same time. Typically this value is set to 10 degrees Celsius.
NP008
CascTPostRunGenePump
Set the minimum over run time of the appliance pump. Typically this is set to 4
minutes.
NP009
CascInterStageTime
Set the waiting time before starting up or shutting down the appliances in a cas
cade. Typically this is set to 4 minutes.
NP010
CascTOutsideCoolPara
Set the threshold outdoor temperature that triggers every appliance in the cas
cade to start up at the same time in cooling mode. Typically this value is set to
30 degrees Celsius.
9 Installer instructions
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C 340 / C 640
87
