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Installation Instructions
Bosch IDS BOVA15 Split System Heat Pump - BTC 761701317 A (02.2022)
Main Control Board for 48/60 ODU Model
Figure 41
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No. Function description
1 Pressure equalizer valve port
2 Compressor crankcase heater port
3 Reversing valve port
4 Thermostat wire connections
5 EEV port
6 Th sensor port
7 T3 T4 T3L sensor port
8 Pressure transducer port
9 T5 sensor port
10 Reserve
11 Reserve
12 High pressure switch port
14 SW1 FORCE BUTTON
15 LED
16 SW2 CHECK BUTTON
17 SW5 Dip SWITCH:Defrost logic settings
18 Reserve
19 SW4 Dip SWITCH:Control logic settings
13 Reserve
20 SW6 Dip SWITCH: Select capacity
21 DC 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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