Bosch Climate 5000 Series Installation Instructions Manual page 31

Installation Instructions
2. Locate CN40 Port on the Main PCB.
Figure 30
Location of CN40 Port for Ducted Units
3. Connect the red end of the connection cable E (see Figure 30 above) to CN40 on the Main
Board.
4. 4. Connect the black end of the connection cable E to the connection cable A (20ft).
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Climate 5000 Series Gen 3 Wired Wall Thermostat (02.2022)