Service Manual Bosch IDS 2.0 | 3
Bosch Thermotechnology Corp. | 07.2021
Data subject to change
Table of Contents
1 Key to Symbols and Safety Instructions 4
1.1 Key to Symbols 4
1.2 Safety 4
2 Nomenclature 6
2.1 Bosch IDS BVA2.0 6
2.2 Bosch IDS BOVA2.0 7
3 Models & Part Numbers 8
4 Dimensions 9
4.1 Bosch IDS BVA2.0 9
4.2 Bosch IDS BOVA2.0 10
5 AHRI 210/240 Performance Data 11
5.1 Bosch IDS BOVA2.0 11
6 Product Specifi cations 12
6.1 Bosch IDS BVA2.0 12
6.2 Bosch IDS BOVA2.0 13
7 Extended Performance Data 14
7.1 Outdoor Unit (BOVA) + Indoor Unit (BVA) – Cooling Mode 14
7.2 Outdoor Unit (BOVA) + Indoor Unit (BVA) – Heating Mode 22
8 Layout of Functional Components 26
8.1 3 Ton 26
8.2 5 Ton 27
9 Refrigerant Flow Diagrams 28
9.1 Cooling Operation 28
9.2 Heating Operation 29
10 Control 31
10.1 Crankcase Heater Control 31
10.2 Other Operations 31
10.2.1 Defrost Operation 31
10.2.2 Oil Return Operation 31
10.2.2 Force Mode Operation 32
10.2.3 Indoor Fan Motor Function 32
11 Field Settings 33
11.1 Initial Unit Preparation and Installation Checklist 33
11.2 Initial Start-up Checklist 33
11.3 Dip Switch Settings 33
11.3.1 Outdoor Unit Dip Switch Settings 33
11.3.2 When to Change Outdoor Unit Dip Switch Settings 34
11.3.3 Indoor Unit Dip Switch Settings 35
11.3.4 When to Change Indoor Unit Dipswitch Settings 35
11.4 Check Point Values 36
12 Diagnosis and Troubleshooting 37
12.1 Control Board Component Layout 37
12.1.1 BOVA36 Outdoor Unit Control Board 37
12.1.2 BOVA60 Outdoor Unit Control Board 38
12.1.3 BVA2.0 Indoor Unit Control Board 39
12.2 Fault Code and Limited Condition Descriptions 40
12.3 Fault Codes and Limited Conditions Troubleshooting 42
12.3.1 C3 Troubleshooting 42
12.3.2 E4 Troubleshooting 43
12.3.3 E5 Troubleshooting 44
12.3.4 E6 Troubleshooting 45
12.3.5 E7 Troubleshooting 46
12.3.6 E9 Troubleshooting 47
12.3.7 H0 Troubleshooting 48
12.3.8 H8 Troubleshooting 49
12.3.9 P0 Troubleshooting 50
12.3.10 P1/F1 Troubleshooting 51
12.3.11 P2/H5 Troubleshooting 52
12.3.12 P3 Troubleshooting 53
12.3.13 P4 Troubleshooting 54
12.3.14 P5 Troubleshooting 55
12.3.15 P8 Troubleshooting 56
12.3.16 PH Troubleshooting 57
12.3.17 LO-L9 Troubleshooting 58
12.3.18 AtL Troubleshooting 59
12.4 Situational Troubleshooting 60
12.4.1 LED Display is Blank 60
12.4.2 System Does Not Start 61
12.4.3 Poor Capacity 62
12.4.4 Poor Dehumidifi cation 63
13 Advanced System Check 64
13.1 Abnormal Pressure 64
13.2 Pressure Transducer (PT) 65
13.3 Electronic Expansion Valve (EEV) 66
13.4 Temperature Sensor (T3,T4,T5,Th,T3L,Tf) 67
13.5 High Pressure Switch (HPS) 68
13.6 Outdoor Fan Motor 69
13.7 Indoor Blower Motor 70
13.8 Compressor 71
13.9 System Charge 72
13.10 Outdoor Board Fuse 73
13.11 Indoor Board Fuse 74
Appendix 75
Appendix 1 Outdoor Unit Control Board 75
Appendix 2 Indoor Unit Control Board 77
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