Control Board Overview; Outdoor Unit Control Board For 3 Ton Model - Bosch 15 SEER2 Series Installation Instructions Manual

13.9 Control Board Overview

13.9.1 Outdoor Unit Control Board for 3 Ton Model

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Figure 31
Bosch 15 SEER2 Inverter Ducted Packaged Heat Pump - BTC 761701319 A (12.2022)
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No. Function description
13
1.
2.
12
3.
11
4.
10
5.
6.
9
7.
8
8.
7
9.
6
10. Reserve
11. Reserve
5
12. High pressure switch port
13. Reserve
14. SW1 FORCE BUTTON
4
15. LED
16. SW2 CHECK BUTTON
17. SW5 Dip SWITCH: Defrost logic settings
18. Reserve
3
19. SW4 Dip SWITCH: Control logic settings
20. SW6 Dip SWITCH: Do not change
21. ECM Motor Port
22. Compressor: W port
23. Compressor: V port
24. Compressor: U port
25. Power input
26. Power input
27. Reserve
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Installation Instructions
Compressor crankcase heater port
Pressure equilizer valve port
Reversing valve port
Thermostat wire connections
EEV Port
Th sensor port
T3 T4 T3L sensor port
Pressure transducer port
T5 sensor port
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