Bosch BMS-WT2-XXC - Cassette Unit Wiring (2 x2 & 3 x3)

Installation Instructions
Climate 5000 Series Gen 3 Wired Wall Thermostat (02.2022)
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6.7.2 For 2x2 (9-18K) and 3x3 (24-48K) Cassette Units
1. Remove the grille (refer to Cassette Installation Manual) and fi nd the Electronic Control
Box.
2. Remove the cover of PCB and locate CN40 port.
Figure 26 Location of CN40 Port for 2x2 (9-18K) Units