Gtw-21 Pcb; Scb-01 Pcb - Baxi MK SYSTEM Installation, User And Service Manual

Fig.12
SW1
X2
X1
SW2
5.3.7

GTW-21 PCB

Fig.13
X2
X3
5.3.8

SCB-01 PCB

Fig.14
X4
X5
MW-1002069-3
7856310 - v02 - 21122023
X4
X6
X7
X5
Optional GTW-21 PCB for connecting to a building management system
via BACnet
SW1 Do not use
X1
X4
SW1
The optional SCB-01 PCB is used for the summer/winter transition and for
connecting a 0-10V backup boiler.
0–10 0-10V backup boiler
X2
X1
X1 L-bus
X2 L-bus
X4 Modbus
X5 Modbus
X6 Connection to the building management system
X7 Do not use
X1 RJ45 connector - Connection to the building management system
X2 L-bus
X3 L-bus
X4 Not used
X1 Relay output
X2 Relay output
X4 L-Bus
X5 L-Bus
5 Description of the product
13