Table Of Contents - Bosch IDS 2.0 Service Manual

Service Manual

Table of Contents

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