Bosch GWI-N Series Training And Service Information page 20

4.10 – PCB (printed circuit board)
The software version is visible in the identification sticker of the control unit as spare part and always refer to
updated versions.
The PCB are always compatible with existing cables / interface in the field, nevertheless and for 4000 S models
was done a change in the connector type, so to ensure compatibility between new control unit with cables in the
field, adaptors are be supplied from FD >= 718 (Feb 2017).
Adaptor name
8 Pins connector
12 Pins connector
14 Pins connector
16 Pins connector
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Pict.30 – Identification sticker location according PCB design
Adaptor design
Table 11 – Resume of supplied adaptors
6 720 814 719 SM FP_Australia 2017/04 EN
Connection Picture
Fan
Water Valve
Gas valve
Sensors