4.2 Man/machine interface
12
5
4
2
1
3
119 138
10
6 7
14
O
I
SERVICE
remote
RS 232/485
AC in
200-240VAC 50/60 Hz 7A
Fig. 1: OBC V4 Description
1. Pump operating status indicator light
2. Fieldbus connection area
3. Hand held remote control connector (Service)
4. Remote control connector (Remote)
5. RS-232/RS-485 serial link connector
6. Mains power supply
7. Mains switch I/O
8. Purge solenoid valve cable
9. Air inlet solenoid valve cable (accessory)
10. Mechanical fastening of the OBC (stud, knurled nut and nut)
11. Female electrical connector for pump
12. Water solenoid cable (MT version pump)
13. Heating cable (M version pump) or braking cable (MT version pump)
14. Water inlet/outlet connections (Water In)
Product description
16/60
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