Bosch IDS BOVA15 User Manual

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Installation Instructions
Bosch IDS BOVA15 Split System Heat Pump - BTC 761701317 A (02.2022)
Table of Contents
1 Key to Symbols and Safety Instructions 4
1.1 Key to Symbols 4
1.2 Safety 4
2 Unit Location Considerations 6
2.1 Unit Dimensions 6
2.2 Refrigerant Piping Limits 6
2.3 Location Restrictions 7
3 Unit Preparation 8
3.1 Prepare the Unit for Installation 8
4 Setting the Unit 8
4.1 Pad Installation 8
5 Refrigerant Line Considerations 9
5.1 Refrigerant Line and Service Valve Connection Sizes 9
5.2 Required Refrigerant Line Length 9
5.3 Refrigerant Line Insulation 9
5.4 Reuse Existing Refrigerant Lines 9
6 Refrigerant Line Routing 10
6.1 Precautions 10
7 Refrigerant Line Brazing 11
7.1 Braze The Refrigerant Lines 11
8 Refrigerant Line Leak Check 13
8.1 Check For Leaks 13
9 Evacuation 13
9.1 Evacuate the Refrigerant Lines and Indoor Coil 13
10 Service Valves 14
10.1 Open the Service Valves 14
11 Electrical - Low Voltage 15
11.1 Low Voltage Maximum Wire Length 15
11.2 Low Voltage Hook-Up Diagrams 15
11.3 Thermostat Wiring Diagrams 15
12 Electrical - High Voltage 17
12.1 High Voltage Power Supply 17
12.2 High Voltage Disconnect Switch 17
12.3 High Voltage Ground 17
13 Start Up 18
13.1 System Start Up 18
14 System Charge Adjustment 19
14.1 Charging: Weigh-In Method 19
14.2 Subcooling Charging And Refrigerant Adjustment In Cooling
(Above 55°F Outdoor Temp.) 19
15 System Operation and Troubleshooting 22
15.1 Control Logic Description 22
15.2 Sensors (Thermistors/Pressure Transducer) 22
15.3 Pressure Equalizer Valve (PEV) 22
15.4 Defrost Description 22
15.5 Compressor Crankcase Heater Description 23
15.6 Reversing Valve Operation 23
15.7 Protection Functions 23
15.8 Fault Code Table 24
15.9 Parameter Point Check Table 25
15.10 Control Board Overviews 26
15.11 Error Code Troubleshooting 28
15.12 Temperature and Resistance Relationship Tables (for Sensors) 37
15.13 Temperature and Resistance Relationship Tables (for T5 Sensor) 38
16 Wiring Diagram 39
16.1 BOVA24/36-15 (2/3 Ton) 39
16.2 BOVA60-15 (4/5 Ton) 40
17 Care and Maintenance 41
17.1 Cleaning Precautions 41
17.2 Maintenance – Pre-Season Inspection 41

Bosch IDS BOVA15 Specifications

General

Brand	Bosch
Model	IDS BOVA15
Category	Heat Pump
Language	English