Bosch BOVA-36HN1-M18M User Manual Page 26

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Bosch IDS BOVA Installation Instructions
12.2016 | Bosch Thermotechnology Corp.Data subject to change
For 4860 model
Main control board
CUT OFF J2 JUMP FOR 24K MODEL.
THE FACTORY SETTING FOR 36K MODEL,
15
21
18
19
16
14
20
22
17
13
12
10
11
8
9
1
2
3
4
5
6
7
EEPROM
chip
Figure 43
* The photo is just for reference,actual unit will verify.
No. Function description No. Function description
1 EEV driving port (HP only) 12 The voltage between 12 and 13 is 380Vdc (Compressor is running )
2 High pressure switch port 13 The voltage between 12 and 13 is 380Vdc (Compressor is running )
3 Radiator temp. sensor port 14 DC motor control port
4 Condenser temp.sensor port 15 Nixie tube display
5 Outdoor temp.sensor port (HP only) 16 Reserved
6 Air discharge temp.sensor port 17 Defrosting functiondialcode SW5
7 Pressure transducer 18 Function dial code SW4
8 Connection wire port between main boards 19 Point check button
9 DC motor driving source (15V-P2) 20 Temp. controller connection port
10 The voltage between 10 and 11 is 380Vdc (Compressor is running ) 21 Forced operation button
11 The voltage between 10 and 11 is 380Vdc (Compressor is running ) 22 4-way valve port (HP only)
Table 12
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