Fig.9
Generic example
AD-3001366-02
CB
CU
B
A
C
L-Bus
SCB
GTW
GTW
MK
R-Bus
S-Bus
RU
Tab.2
Components in the example
Item
Description
Function
CU
Control Unit: Control unit
The control unit handles all basic functionality of the appli
ance.
CB
Connection Board: Connection PCB
The connection PCB provides easy access to all connectors
of the control unit.
SCB
Smart Control Board: Expansion PCB
An expansion PCB provides extra functionality, like an internal
calorifier or multiple zones.
GTW
Gateway: Conversion PCB
A gateway can be fitted to an appliance or system, to provide
one of the following:
Extra (wireless) connectivity
Service connections
Communication with other platforms
MK
Control panel: Control panel and display
The control panel is the user interface to the appliance.
RU
Room Unit: Room unit (for example, a thermo
stat)
A room unit measures the temperature in a reference room.
L-Bus
Local Bus: Connection between devices
The local bus provides communication between devices.
S-Bus
System Bus: Connection between appliances The system bus provides communication between appliances.
R-Bus
Room unit Bus: Connection to a room unit
The room unit bus provides communication to a room unit.
A
Device
A device is a PCB, control panel or a room unit.
B
Appliance
An appliance is a set of devices connected via the same L-
Bus
C
System
A system is a set of appliances connected via the same S-Bus
Tab.3
Specific devices delivered with the C 340 / C 640 boiler
Name visible
in display
Software ver
sion
Description
Function
CU-GH13
1.1
Control unit CU-GH13
The CU-GH13 control unit handles all basic functionality of the
C 340 / C 640 boiler.
MK3
1.29
Control panel Diematic
Evolution
The Diematic Evolution is the user interface to the C 340 / C
640 boiler.
SCB-01
1.2
Expansion PCB SCB-01
The SCB-01 provides a 0-10 V connection for a PWM system
pump and two potential-free contacts for status notification.
SCB-10
1.04
Expansion PCB SCB-10
The SCB-10 provides functionality for one DHW and three
central heating zones, a 0-10 V connection for a PWM system
pump and a potential-free contact for status notification.
GTW-22
-
Gateway GTW-22
The GTW-22 provides functionality to connect the boiler to an
app via Bluetooth.
3.6
Accessories and options
Various accessories can be obtained for the boiler.
3 Description of the product
16
C 340 / C 640
7762666 - v.02 - 29092020
