QM- IT2705
2/4
ITOE0242-en
4.
Connect the BUS cables
1.
Connect the BUS cables
B
between the connector
X5
of the master boiler
A
and the
connectors
X9 / X10
of the
CB-01
boards of the follower boilers,
2.
Fit the
terminating connector C
to the connector
X4
of the master boiler
A
,
3.
Fit the
terminating connector D
to the connector
X10
of the last of the follower boilers.
5.
Check the parameters
Set the cascade master boiler parameters (boiler with OEtroCom-3 control panel) as required.
Access
: Press menu key
→
Installation Setup
→
SCB-10
→
Cascade management B
→
Parameters, counters, signals
→
Parameters
:
Code / Text displayed
Description / setting
AP083
Enable master func
Set to enable (1) for the master device.
On follower boilers, this parameter must be set to deactivate (0).
NP005
Cascade Permuta
tion
By default the master boiler is numbered 1, but this can be changed with this
parameter.
NP006
Cascade Type
Select the cascade type: traditional or parallel.
Management of the cascade of boilers by successive addition or in parallel
(simultaneous operation)
0 = Traditional (factory set) (
Successive addition
of additional boilers)
1 = Parallel: All boilers start up
at the same time.
NP007
CascTOutsideHeatParl
Outdoor temperature that starts all cascaded appliances at the same time. Factory
setting: 10 °C.
NP008
CascTPostRunGenePump
Minimum overrun time of the appliance pump.
Factory setting: 4 minutes.
NP009
CascInterStageTime
Waiting time before starting or stopping cascaded devices.
Factory setting: 4 minutes. Setting: 1 min - 60 min
NP011
CascadeTypeAlgo
Type of cascade algorithm: 0: temperature dependent (factory)
1: power-dependent
NP012
CascPowerRiseTime
Time available to reach the desired temperature.
Factory setting: 1 (value multiplied by 10).
NP013
CascForceStop Pprim
Activation (1) or deactivation (2) of the cascade's primary pump.
AP111
Can line length
Cable length for the S-BUS. Select the value that is equal to or larger than the actual
cable length.
