Control unit
External connec-
tions (main PCB)
30
The control unit is located on the top of the unit. The main PCB is mounted underneath the
cabinet of the control unit.
1
Fig. 20: Control panel
1.
USB connection for:
-
using PC Tool
-
reading out the error list
2.
Power supply and external connections
The external connections of the main PCB on the back of the control unit are depicted in the
figure below. For further explanations on how to use the external connections, please refer
to the section External Connections in the Installation chapter. See also the circuit diagram in
the chapter Annex for the connection to the different ports.
1
DIG IN
230V
Fig. 21: External connections
1.
Dig In:
External digital input to select specific oper-
ations
2.
Antenna:
Antenna slot for connection to the radio
remote control
INSTALLATION AND SERVICE MANUAL FOR PROFESSIONALS
Product description: Description of the components of the control unit
3.
2
3
ANTENNA MODBUS ETHERNET
3.
The Modbus RTU port is intended for inter-
nal communication between the unit and
Dantherm accessories (HAC2 + HCP 11 +
FPC)
4.
LAN connection
2
3
Main PCB (inside the cabinet) and con-
trol unit
4
Modbus:
Ethernet: