Related Manuals for Bosch IDS BOVB20
Summary of Contents for Bosch IDS BOVB20
- Page 1 Installation Instructions Split System Heat Pump Bosch IDS BOVB20 IDS Connected Premium Condensing Units | 2 3 4 5 Ton Capacity | R410A...
- Page 2 Installation Instructions Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 3: Table Of Contents
11 Service Valves 11.1 Open the Service Valves 12 Electrical - Low Voltage 12.1 Low Voltage Maximum Wire Length 12.2 Low Voltage Hook-Up Diagrams 12.3 Thermostat Wiring Diagrams Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 4: Key To Symbols And Safety Instructions
This information is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience. Any attempt to repair a central air conditioning product may result in personal injury and/or property damage. Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) - Page 5 Lead components, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings.ca.gov. Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 6: Gateway Related Warnings
This equipment should be installed and operated with a minimum distance of 8 inches (20 centimeters) between the antenna and your body. Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 7: Bosch Easyair Mobile App
Scan QR Code Figure 1 Open the Bosch EasyAir app and create a profi le. You can now use the Bosch EasyAir app when starting up the system in Section 14. Figure 2 Figure 2... -
Page 8: Refrigerant Piping Limits
Use only the line diameters indicated in Table 2. If the suction linesets are greater than 50 feet, do not use a larger suction line than recommended. 50' Max Line Lift Figure 3 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 9: Location Restrictions
Approximately every three months, wash the outdoor coil and any Min. 12" to exposed cabinet surfaces. Shrubbery Min. 24" to Shrubbery Access Panel Figure 5 Cold climate considerations (heat pump only) Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 10: Unit Preparation
1/4” Χ 1-1/2” Hex washer head concrete screws (3/16” pilot hole needed. Pilot hole should be 1/4” deeper than the fastener embedment) Figure 9 1 0 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 11: Mounting Antenna
Mount antenna away from wall Figure 10 Clip antenna by sliding downwards on louver Building Wall Secure cable to outdoor unit with two clips Figure 11 | 11 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 12: Refrigerant Line Considerations
The Suction Line must always be insulated. DO NOT allow the Liquid Line and Suction Line to come in direct (metal to metal) contact. Suction Line Liquid Line Insulation Figure 13 1 2 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 13: Refrigerant Line Routing
Secure Suction Line using isolators every 8 ft. Secure Liquid Line directly to Suction Line using tape, wire, or other appropriate method every 8 ft. Isolation On Walls Figure 15 | 13 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 14: Refrigerant Line Brazing
Remove caps or plugs. Use a deburring tool to deburr the pipe ends. Clean both internal and external surfaces of the tubing using an emery cloth. Figure 17 1 4 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) - Page 15 Continue the dry nitrogen purge. Do not remove the wet rag until all brazing is completed. Remove the wet rag before stopping the dry nitrogen purge. | 15 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 16: Refrigerant Line Leak Check
Once evacuation is complete, turn off the vacuum pump and micron gauge, and close the valves on the manifold gauge set. 1 MIN. Figure 25 Figure 23 1 6 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 17: Service Valves
(approximately five (5) turns.) Replace the Valve Stem Cap to prevent leaks. Tighten finger tight plus an additional 1/6 turn. Repeat STEPS 1 - 3 for Liquid Service Valve. | 17 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 18: Electrical - Low Voltage
The outdoor unit W signal is connected to the electric auxiliary heat or the first stage electric auxiliary heat. Figures 25-30 refer to thermostat wiring diagrams for the BOVB20 and BVA20 manufacturer matched indoor and outdoor systems. 1 8 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) - Page 19 Note: Any time the electric heat elements are active, the indoor fan will run in high stage. INDOOR UNIT OUTDOOR UNIT Figure 29 Thermostat Wiring Diagram for BOVB20/BVA20 Matched System | 19 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 20 Note: Any time the electric heat elements are active, the indoor fan will run in high stage. INDOOR UNIT OUTDOOR UNIT Figure 31 Thermostat Wiring Diagram for BOVB20/BVA20 Matched System 2 0 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 21 Note: W1 and W2 are jumped, so INDOOR UNIT OUTDOOR UNIT Electric Heat will only function in high stage. Figure 33 Thermostat Wiring Diagram for BOVB20/BVA20 Matched System | 21 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 22: Electrical - High Voltage
13.2 High Voltage Disconnect Switch Install a separate disconnect switch at the outdoor unit. Field supplied fl exible electrical conduit must be used for high voltage wiring. Figure 34 2 2 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 23: Start Up
Installation Instructions 14 Start Up Open up the Bosch EasyAir app and "Add a New Unit". The app will prompt you to scan the outdoor unit Serial Number and Gateway QR code. 14.1 System Start Up Ensure Sections 7, 8, 9, 10, 11, and 12 have been completed. -
Page 24: System Charge Adjustment
15.2 Subcooling Charging And Refrigerant Adjustment In Cooling (Above 55°F Outdoor Temp.) Check the outdoor ambient temperatures. Download and install the Bosch EasyAir app to assist in charging the unit. Subcooling (in cooling mode) is the only recommended method of charging above 55ºF outdoor ambient temperatures. - Page 25 Measured Liquid Line Pressure = _______ PSIG Calculate subcooling value = ________ºF Table 8 R-410A Refrigerant chart - Final Subcooling Figure 48 Insulation Figure 47 | 25 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 26 Wait 5 minutes for the system condition to stabilize between adjustments. When the subcooling matches the design value (Table 9), the system is properly charged. 2 6 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 27: System Operation And Troubleshooting
Defrost will terminate once outdoor coil temperature (T3) reaches 64°F for short cycling. a period of 1 minute or defrost time has exceeded 8 minutes. | 27 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 28: Compressor Crankcase Heater Description
Compressor stops running for 3 hours (outdoor ambient temperature T4 < 41°F OR compressor discharge temperature T5 < 53.6°F). CCH operation de-energizes: Compressor discharge temperature T5 ≥ 60.8°F. Compressor start running. 2 8 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 29: Fault Code Table
Hz), the unit will continue to run but in a limited condition. The only exception is when the system is in defrost mode, which only displays "dF" (without any numerical digits following). | 29 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 30: Parameter Point Check Table
Power AC voltage Input (V) Compressor input dc voltage (V) Continuous running time of the compressor (min) Last fault code see Table 9-4 Software version Remark“--” Table 14 3 0 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 31: Control Board Overviews
SW5 Dip SWITCH:Defrost logic settings SW4 Dip SWITCH:Control logic settings ECM motor port Compressor: W port Compressor: V port Compressor: U port Power input Power input Figure 54 | 31 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) - Page 32 IC20 ： EEPROM Chip IC14 ： Drive EEPROM Chip ECM motor port Compressor: W port Compressor: V port Compressor: U port Power input Power input Figure 55 3 2 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 33: Error Code Troubleshooting
Restart system Is the resistance of Replace T4 sensor T4 sensor in the Figure 57 range of Table Replace control board Figure 56 | 33 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) - Page 34 <310V? Did the outdoor fan Replace motor Restart system motor fail? Figure 58 Did the Replace control board control board fail? Restart system Figure 59 3 4 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 35 Power off and correct Is EEPROM IC14 chip properly installed? the connection Does EEPROM IC14 Power off and correct have poor contact? the contact Replace control board Figure 62 | 35 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 36 Is the resistance of Replace Tf sensor Tf in the range of Table 16? Did the control Replace control board board fail? Restart system Figure 64 3 6 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 37 Figure 66 Is the system Adjust refrigerant overcharged? Is the high pressure switch Replace high wired correctly and resistance pressure switch ≥1Ω? Restart system Figure 65 | 37 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 38 Table wired correctly and resistance pressure switch ≥1Ω? Restart System Did the compressor fail? Replace compressor Figure 68 Restart system Figure 67 3 8 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 39 Is the system Adjust refrigerant overcharged? Is the resistance of T3 Replace T3 sensor in range of Table Restart System Figure 69 | 39 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 40 T3 Replace T3 sensor in range of Table Restart System Is the compressor Replace operating normally? compressor Figure 71 Replace control board Figure 72 4 0 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 41 T4 sensor seated diagram for correctly? correct wiring Is the resistance of T4 Replace T4 sensor in the range of Table 15? Restart system Figure 73 | 41 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
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Page 42: Temperature And Resistance Relationship Tables (For Sensors)
71.1 1.574 0.82 23.9 10.527 2.83 73.9 1.416 0.75 26.7 9.265 2.67 76.7 1.276 0.68 29.4 8.172 2.52 Table 15 for T3, T4, Th, T3L 4 2 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 43: Temperature And Resistance Relationship Tables (For T5 & Tf Sensors)
1.767 0.90 51.7 18.47 3.48 132.2 1.651 0.85 54.4 16.708 3.37 135.0 1.544 0.80 57.2 15.085 3.26 137.8 1.446 0.76 Table 16 for T5 & Tf | 43 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 44: Wiring Diagram
(Charge mode) 4 blinks/cycle Hardware error Power on Software version LED3 PRESS Forced defrosting 5 blinks/cycle Cellular communication error Remark"--" Power off GREEN Figure 74 4 4 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 45: Ids2.1 Gateway Functionality
5. Factory (Diagnostic) Button 6. Connect (Bluetooth) Button 7. Reset Button The Gateway Assembly includes the Gateway and Antenna, along with associated wiring harness and clips. | 45 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) -
Page 46: Care And Maintenance
When removing filter, do not touch metal parts in the unit. The sharp metal edges can cut you. Make sure nothing is blocking all air inlets and outlets Figure 76 4 6 | Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022) - Page 47 Installation Instructions Notes: | 47 Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
- Page 48 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 866-642-3198 Fax: 954-776-5529 www.bosch-thermotechnology.us BTC 761701316 C / 02.2022 Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.