5 Room temperature sensor - circuit A
6 Domestic hot water tank pump
7 3-way valve - circuit B
8 Pump and safety thermostat - circuit B
9 Three-way valve - circuit A
10 Pump and safety thermostat - circuit A
11 System sensor 1
12 System sensor 2
13 Domestic hot water sensor
14 Flow sensor - circuit C
15 Flow sensor - circuit B
16 Flow sensor - circuit A
17 Impressed current anode
18 Connectors Mod-BUS
19 Coding wheel, selects the generator number in the
cascade in Mod-Bus
20 S-BUS connector
21 END connector for L-BUS connection
22 L-BUS connection to control unit (CU-XXXX)
23 S-BUS cable connector
Tab.24 Compatibility of connections
Circuit A Circuit B Circuit C
(with AD249 op
tion)
AUX circuit
(with AD249 op
tion)
Domestic hot wa
ter circuit
Convection fan Yes Yes Yes No No
Underfloor heating Yes Yes Yes No No
Radiator Yes Yes Yes No No
365 day radiator Yes Yes Yes No No
Continuous heating Yes Yes Yes No No
Timer programme Yes Yes Yes Yes Yes
Swimming pool Yes Yes Yes No No
Domestic hot water produc
tion
Yes Yes Yes Yes Yes
Domestic hot water produc
tion, electric only
Yes Yes Yes No No
Stratified tank (2 sensors) No No No No Yes
Deactivation Yes Yes Yes Yes Yes
Caution
Connect the TAS (Titan Active System) anode of the calorifier
tank to the connector TA. If the calorifier tank does not have a
TAS anode, connect the simulation anode (= accessory)
The SCB-10 PCB has the following features;
control of 2 (mixing) zones fitted on connector X15
control of a third (mixing) zone via an PCB (= accessory) fitted on
connector X8
control of one domestic hot water (DHW) zone
cascade layout (add sensor on sensor system 1 or 2)
Important
If the boiler is fitted with the SCB-10 board, then this is
automatically recognised by the automatic control unit of the
boiler.
On removing this board, the boiler will show an error code. To
prevent this error, carry out an auto-detect immediately after
removing this board.
For more information, see
Carrying out an auto-detect for the CAN matrix, page 99
6 Installation
42 AMC 7686707 - v.01 - 06092018
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