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Installation Instructions
Bosch 18 SEER2 Series Inverter Ducted Packaged Heat Pump - BTC 761703103 A (11.2022)
Indoor Unit Control Board for 3 Ton Model
Figure 33
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No. Function description
1. Thermostat wire connection terminal
2. Electric Heat Kit E port
3. Thermostat wire port (to ODU board)
4. Transformer port
5. Blower motor port
6. T1, T2 sensor port
7. LED
8. Communication port (To ODU board)
9. Reserve
10. 3 Amp Replaceable Fuse
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