Bosch IDS BOVB60-20 - Table of Contents

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Installation Instructions
Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
Table of Contents
1 Key to Symbols and Safety Instructions 4
1.1 Key to Symbols 4
1.2 Safety 4
1.2.1 Gateway Related Warnings 6
2 Bosch EasyAir Mobile App 7
3 Unit Location Considerations 7
3.1 Unit Dimensions 7
3.2 Refrigerant Piping Limits 8
3.3 Location Restrictions 9
4 Unit Preparation 10
4.1 Prepare the Unit for Installation 10
5 Setting the Unit 10
5.1 Pad Installation 10
5.2 Mounting Antenna 11
6 Refrigerant Line Considerations 12
6.1 Refrigerant Line and Service Valve Connection Sizes 12
6.2 Required Refrigerant Line Length 12
6.3 Refrigerant Line Insulation 12
6.4 Reuse Existing Refrigerant Lines 12
7 Refrigerant Line Routing 13
7.1 Precautions 13
8 Refrigerant Line Brazing 14
8.1 Braze The Refrigerant Lines 14
9 Refrigerant Line Leak Check 16
9.1 Check For Leaks 16
10 Evacuation 16
10.1 Evacuate the Refrigerant Lines and Indoor Coil 16
11 Service Valves 17
11.1 Open the Service Valves 17
12 Electrical - Low Voltage 18
12.1 Low Voltage Maximum Wire Length 18
12.2 Low Voltage Hook-Up Diagrams 18
12.3 Thermostat Wiring Diagrams 18
13 Electrical - High Voltage 22
13.1 High Voltage Power Supply 22
13.2 High Voltage Disconnect Switch 22
13.3 High Voltage Ground 22
14 Start Up 23
14.1 System Start Up 23
15 System Charge Adjustment 24
15.1 Charging: Weigh-In Method 24
15.2 Subcooling Charging And Refrigerant Adjustment In Cooling
(Above 55°F Outdoor Temp.) 24
16 System Operation and Troubleshooting 27
16.1 Control Logic Description 27
16.2 Sensors (Thermistors/Pressure Transducer) 27
16.3 Pressure Equalizer Valve (PEV) 27
16.4 Defrost Description 27
16.5 Compressor Crankcase Heater Description 28
16.6 Reversing Valve Operation 28
16.7 Protection Functions 28
16.8 Fault Code Table 29
16.9 Parameter Point Check Table 30
16.10 Control Board Overviews 31
16.11 Error Code Troubleshooting 33
16.12 Temperature and Resistance Relationship Tables (for Sensors) 42
16.13 Temperature and Resistance Relationship Tables (for T5 & Tf Sensors) 43
17 Wiring Diagram 44
18 IDS2.1 Gateway Functionality 45
19 Care and Maintenance 46
19.1 Cleaning Precautions 46
19.2 Maintenance – Pre-Season Inspection 46