Bosch IDS 2.0 Service Manual
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Bosch IDS 2.0 Service Manual

Split system heat pump condensing units up to 20.5 seer 2-3-4-5 ton capacity r410a
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Bosch IDS 2.0 Split System Heat Pump
Condensing Units Up to 20.5 SEER
2-3-4-5 Ton Capacity
R410A
Service Manual

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Summary of Contents for Bosch IDS 2.0

  • Page 1 Bosch IDS 2.0 Split System Heat Pump Condensing Units Up to 20.5 SEER 2-3-4-5 Ton Capacity R410A Service Manual...
  • Page 2 2 | Bosch IDS 2.0 Service Manual 07.2021 | Bosch Thermotechnology Corp. Data subject to change...

  • Page 3: Table Of Contents

    Service Manual Bosch IDS 2.0 | 3 Table of Contents 1 Key to Symbols and Safety Instructions 12 Diagnosis and Troubleshooting 1.1 Key to Symbols 12.1 Control Board Component Layout 1.2 Safety 12.1.1 BOVA36 Outdoor Unit Control Board 12.1.2 BOVA60 Outdoor Unit Control Board 2 Nomenclature 12.1.3 BVA2.0 Indoor Unit Control Board...

  • Page 4: Key To Symbols And Safety Instructions

    4 | Bosch IDS 2.0 Service Manual 1 Key to Symbols and Safety Instructions 1.2 Safety Please read before proceeding 1.1 Key to Symbols Warnings NOTICE: MAINTENANCE  Please refer to your Installation, Operation and Maintenance Warnings in this document are identifi ed by a Manual for details on maintenance requirements.
  • Page 5 Service Manual Bosch IDS 2.0 | 5 WARNING: HAZARDOUS VOLTAGE CAUTION: GROUNDING REQUIRED  Failure to follow this warning could result in property  Failure to inspect or use proper service tools may result damage, severe personal injury, or death.

  • Page 6: Nomenclature

    6 | Bosch IDS 2.0 Service Manual 2 Nomenclature 2.1 Bosch IDS BVA2.0 V A – 24 W N1 – M 20 Efficiency 20: 20 SEER Power Supply M: 208/230V 1Ph, 60Hz Refrigerant N1: R410A Function Type W: Wired Controller Nominal Capacity 24: 24×1,000BTU/H...

  • Page 7: Bosch Ids Bova2.0

    Service Manual Bosch IDS 2.0 | 7 2.2 Bosch IDS BOVA2.0 B OV A – 36 H N1 – M 20 G Compressor Brand G: GMCC Efficiency 20: 20 SEER Power Supply M: 208/230V 1Ph, 60Hz Refrigerant N1: R410A D-DC Inverter...

  • Page 8: Models & Part Numbers

    8 | Bosch IDS 2.0 Service Manual 3 Models & Part Numbers Bosch Part Number Bosch Model Number 8733952437 BOVA-36HDN1-M20G 8733952438 BOVA-60HDN1-M20G 8733952439 BVA-24WN1-M20 8733952440 BVA-36WN1-M20 8733952441 BVA-48WN1-M20 8733952442 BVA-60WN1-M20 Table 1 07.2021 | Bosch Thermotechnology Corp. Data subject to change...

  • Page 9: Dimensions

    Service Manual Bosch IDS 2.0 | 9 4 Dimensions 4.1 Bosch IDS BVA2.0 25” CLEARANCE IS REQUIRED IN THE FRONT OF THE UNIT FOR FILTER AND COIL MAINTENANCE. ELECTRICAL CONNECTIONS THROUGH TOP OR EITHER SIDE SUPPLY AIR HIGH VOLTAGE CONNECTION 1- ",...

  • Page 10: Bosch Ids Bova2.0

    1 0 | Bosch IDS 2.0 Service Manual 4.2 Bosch IDS BOVA2.0 AIR DISCHARGE: ALLOW 60" MINIMUM CLEARANCE. AIR INLET LOUVERED PANELS: ALLOW 12" MINIMUM CLEARANCE ALLOW A MINIMUM OF 12" CLEARANCE ON ONE SIDE OF ACCESS PANEL TO A WALL AND A MINIMUM OF 24"...

  • Page 11: Ahri 210/240 Performance Data

    Service Manual Bosch IDS 2.0 | 11 5 AHRI 210/240 Performance Data 5.1 Bosch IDS BOVA2.0 Indoor Unit Model Cooling Capacity (BTU/h) Heating Capacity Outdoor Unit Model Furnace Model Coils/Air Handlers Total EER² SEER¹ HSPF³ Low⁴ BOVA-36HDN1-M20G BVA-24WN1-M20 24000 20.5 24000 10.5...

  • Page 12: Product Specifi Cations

    1 2 | Bosch IDS 2.0 Service Manual 6 Product Specifi cations 6.1 Bosch IDS BVA2.0 BVA024 BVA036 BVA048 BVA060 Cooling Capacity Nominal Cooling (BTU/h) 24000 34600 47500 54500 Nominal Heating (BTU/h) 24000 34200 48000 56000 Blower Diameter (mm) 10-5/8" (270) 10-63/64"...

  • Page 13: Bosch Ids Bova2.0

    Service Manual Bosch IDS 2.0 | 13 6.2 Bosch IDS BOVA2.0 BOVA 36 BOVA 60 Cooling Capacity Nominal Cooling (BTU/h) 34,600 54,500 Nominal Heating (BTU/h) 34,200 56,000 Decibels([dB(A)] Max @ 100% load Min @ min load Compressor Condenser Fan Motor...

  • Page 14: Extended Performance Data

    1 4 | Bosch IDS 2.0 Service Manual 7 Extended Performance Data 7.1 Outdoor Unit (BOVA) + Indoor Unit (BVA) – Cooling Mode BOVA 36 + BVA 24 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 17.8...
  • Page 15 Service Manual Bosch IDS 2.0 | 15 BOVA 36 + BVA 24 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 22.2 22.5 23.0 23.2 23.0 23.2 23.5 23.7 24.5 24.7 25.0 23.3 31.6 31.9 32.2 0.96...
  • Page 16 1 6 | Bosch IDS 2.0 Service Manual BOVA 36 + BVA 36 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 22.1 22.3 22.8 23.1 22.8 23.1 23.3 23.6 24.4 24.6 24.8 25.1 30.1 30.4 30.7...
  • Page 17 Service Manual Bosch IDS 2.0 | 17 BOVA 36 + BVA 36 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 31.3 31.6 32.3 32.7 32.3 32.7 33.0 33.4 34.5 34.8 35.2 35.5 42.8 43.1 43.5 0.89...
  • Page 18 1 8 | Bosch IDS 2.0 Service Manual BOVA 60 +BVA 48 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 39.0 39.4 40.3 40.7 40.3 40.7 41.2 41.6 43.0 43.4 43.8 44.1 52.2 52.6 53.6 0.84...
  • Page 19 Service Manual Bosch IDS 2.0 | 19 BOVA 60 +BVA 48 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 46.4 47.0 48.0 48.5 48.0 48.5 49.0 49.6 51.3 51.7 52.2 52.6 61.7 62.2 62.6 0.90 0.94...
  • Page 20 2 0 | Bosch IDS 2.0 Service Manual BOVA 60 +BVA 60 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 39.1 39.6 40.4 40.9 40.4 40.9 41.3 41.8 43.2 43.6 44.0 44.4 51.9 52.3 53.3 0.65...
  • Page 21 Service Manual Bosch IDS 2.0 | 21 BOVA 60 +BVA 60 For Cooling IWB (°F) Indoor Outdoor Airfl ow (CFM) DB (°F) IDB (°F) 48.7 49.3 50.4 50.9 50.4 50.9 51.5 52.0 53.9 54.3 54.8 55.2 64.2 64.6 65.0 0.73 0.78...

  • Page 22: Outdoor Unit (Bova) + Indoor Unit (Bva) - Heating Mode

    2 2 | Bosch IDS 2.0 Service Manual 7.2 Outdoor Unit (BOVA) + Indoor Unit (BVA) – Heating Mode BOVA 36 + BVA 24 For Heating Airfl ow (CFM) (°F) (°F) 26.8 26.8 26.8 26.8 26.8 26.7 26.7 26.5 26.5 25.8...
  • Page 23 Service Manual Bosch IDS 2.0 | 23 BOVA 36+BVA 36 For Heating Airfl ow (CFM) (°F) (°F) 30.1 30.1 30.1 30.1 30.1 29.8 29.7 29.7 29.7 29.7 29.7 28.1 26.1 24.2 22.3 20.5 18.9 1.08 1.43 1.58 1.71 1.86 1.98 2.16...
  • Page 24 2 4 | Bosch IDS 2.0 Service Manual BOVA 60+BVA 48 For Heating Airfl ow (CFM) (°F) (°F) 53.4 53.4 53.4 53.3 53.3 53.2 52.9 52.7 48.7 45.7 42.9 41.5 39.7 38.3 36.5 34.7 32.9 2.11 2.57 2.81 3.05 3.31 3.57...
  • Page 25 Service Manual Bosch IDS 2.0 | 25 BOVA 60+BVA 60 For Heating Airfl ow (CFM) (°F) (°F) 56.7 56.7 56.7 56.6 56.6 56.3 56.1 56.1 55.5 51.9 49.3 45.1 42.3 40.2 40.3 36.3 33.2 2.20 2.58 2.83 3.09 3.36 3.59 3.92...

  • Page 26: Layout Of Functional Components

    2 6 | Bosch IDS 2.0 Service Manual 8 Layout of Functional Components 8.1 3 Ton Fan motor Condenser Compressor Accumulator Heat Sink Note: T3 not shown in figure, but is located on the condenser coil. Please reference Table 18 for abbrevia on and parts descrip on.

  • Page 27: Ton

    Service Manual Bosch IDS 2.0 | 27 8.2 5 Ton Fan motor Compressor Accumulator Condenser Heat sink Note: Please reference Table 18 for abbrevia on and parts descrip on. Figure 6 Bosch Thermotechnology Corp. | 07.2021 Data subject to change...

  • Page 28: Refrigerant Flow Diagrams

    2 8 | Bosch IDS 2.0 Service Manual 9 Refrigerant Flow Diagrams 9.1 Cooling Operation FAN ON Liquid Service Valve Strainer Strainer Bi-flow Filter Drier Evaporator Condenser Coil Check valve Coil Gauge port of heat pump Pressure Transducer Reversing Suction Service Valve...

  • Page 29: Heating Operation

    Service Manual Bosch IDS 2.0 | 29 9.2 Heating Operation FAN ON Strainer Strainer Liquid Service Valve Bi-flow Filter Drier Condenser Evaporator Coil Check valve Coil Gauge port of heat pump Pressure Reversing Transducer Suction Service Valve Valve Indoor unit Thermostat "ON"...
  • Page 30 3 0 | Bosch IDS 2.0 Service Manual No. in diagram Abbreviation Part Description Major functions The inverter compressor’s speed is controlled based on coil pressures monitored by the INV Comp. Inverter Compressor unit's pressure transducer (PT) Compressor discharge Used for compressor discharge temperature protection and EEV control in heating mode.

  • Page 31: Control

    Service Manual Bosch IDS 2.0 | 31 10 Control Defrost Termination Settings (SW5) off ers diff erent defrost termination options for enhanced defrost for diff erent geographical and outdoor conditions. 10.1 Crankcase Heater Control The crankcase heater only operates when the compressor is OFF (i.e. during standby).

  • Page 32: Force Mode Operation

    Two Stage Fan Control go into force mode if manually placed in this mode by the user. The IDS 2.0 IDU supports two stage fan control which requires a two stage Function: Used in cooling mode to verify superheat/subcooling and charge system.

  • Page 33: Field Settings

    Service Manual Bosch IDS 2.0 | 33 11 Field Settings 11.2 Initial Start-up Checklist 11.1 Initial Unit Preparation and Installation Checklist WARNING: WARNING:  This checklist is NOT to be used in place of the Installation, Operation, and Maintenance Manual. Please refer to ...

  • Page 34: When To Change Outdoor Unit Dip Switch Settings

    3 4 | Bosch IDS 2.0 Service Manual 11.3.2 When to Change Outdoor Unit Dip Switch Settings NOTICE:  Power should be turned off when adjusting dip switches. In most scenarios, it is recommended to keep all outdoor unit board dip switch positions in their manufacturer default positions.

  • Page 35: Indoor Unit Dip Switch Settings

    Service Manual Bosch IDS 2.0 | 35 11.3.3 Indoor Unit Dip Switch Settings 11.3.4 When to Change Indoor Unit Dipswitch Settings NOTICE:  Power should be turned off when adjusting dip switches. In most scenarios, it is recommended to keep all indoor unit board dip switch positions in their manufacturer default positions.

  • Page 36: Check Point Values

    3 6 | Bosch IDS 2.0 Service Manual 11.4 Check Point Values To display system parameters, press the “check” button on the outdoor board to index through the series of parameters available. The fi rst time you press the “check” button, it will display the sequence, and after 1 second it will display the value of the parameter.

  • Page 37: Bosch Ids 2.0 | 37

    Service Manual Bosch IDS 2.0 | 37 12 Diagnosis and Troubleshooting 12.1 Control Board Component Layout 12.1.1 BOVA36 Outdoor Unit Control Board Function Description Compressor crankcase heater port Pressure equalizer valve port Reversing valve port Thermostat wire connections Th sensor port...

  • Page 38: Bova60 Outdoor Unit Control Board

    3 8 | Bosch IDS 2.0 Service Manual 12.1.2 BOVA60 Outdoor Unit Control Board Function description Pressure equalizer valve port Compressor crankcase heater port Reversing valve port Thermostat wire connections EEV port Th sensor port TF sensor port T3 T4 T3L sensor port...

  • Page 39: Bva2.0 Indoor Unit Control Board

    Service Manual Bosch IDS 2.0 | 39 12.1.3 BVA2.0 Indoor Unit Control Board Function Description SW6 Dipswitches T2 Sensor High Voltage Connection Non-replaceable Fuse Indoor Blower Connection Replaceable Fuse Transformer Connection Electric Heat Kit Connection Thermostat Connection Status LED Figure 15 BVA2.0 Indoor unit control board...

  • Page 40: Fault Code And Limited Condition Descriptions

    4 0 | Bosch IDS 2.0 Service Manual 12.2 Fault Code and Limited Condition Descriptions Fault codes are displayed when an abnormal condition exists that could harm the unit. Fault codes cause the compressor to shut off and force the unit into standby Limited Condition Status codes are displayed when a condition exists that mode until the abnormal condition goes away.
  • Page 41 Service Manual Bosch IDS 2.0 | 41 Limited Condition Fault Code Fault Code Description Potential Cause Status code  Poor heat exchange on coil  Fan motor failure  Service valves not open P2/H5 Low pressure protection.  TXV/EEV/filter drier blocked ...

  • Page 42: Fault Codes And Limited Conditions Troubleshooting

    4 2 | Bosch IDS 2.0 Service Manual 12.3 Fault Codes and Limited Conditions Troubleshooting WARNING: WARNING: ELECTRICAL HAZARD  Power-off the outdoor units before connecting or  All electrical work must be carried out by competent and disconnecting any connections or wiring, otherwise electric...

  • Page 43: E4 Troubleshooting

    Service Manual Bosch IDS 2.0 | 43 12.3.2 E4 Troubleshooting LED display output: Description: Temperature sensor fault (T3, T4, T5, Th, T3L, TF)  Temperature sensors failed – shorted or open (common cause)  Wrong wire connections of sensor Possible causes: ...

  • Page 44: E5 Troubleshooting

    4 4 | Bosch IDS 2.0 Service Manual 12.3.3 E5 Troubleshooting LED display output: Description: High/low voltage protection  Power supply ≥270V  Power supply <172V Possible causes:  Control board issue Table 31 Procedure: Is the high voltage power supply Correct power supply/call ≥270V?

  • Page 45: E6 Troubleshooting

    Service Manual Bosch IDS 2.0 | 45 12.3.4 E6 Troubleshooting LED display output: Description: Outdoor DC fan motor fault  Motor failed  Fan blade damaged or blocked Possible causes:  Extreme weather conditions  Electrical issue Table 32 Procedure:...

  • Page 46: E7 Troubleshooting

    4 6 | Bosch IDS 2.0 Service Manual 12.3.5 E7 Troubleshooting LED display output: Description: T5 sensor not reading correctly  Wrong location of T5 sensor (compressor discharge temp. sensor)  Wrong connection on control board of T5 & Tf (common cause) Possible causes: ...

  • Page 47: E9 Troubleshooting

    Service Manual Bosch IDS 2.0 | 47 12.3.6 E9 Troubleshooting LED display output: Description: EEPROM IC20 fault  EEPROM IC20 poor contact Possible causes:  EEPROM IC20 improperly installed Table 34 Procedure: Is EEPROM IC20 Power off and correct the...

  • Page 48: H0 Troubleshooting

    4 8 | Bosch IDS 2.0 Service Manual 12.3.7 H0 Troubleshooting LED display output: Description: Communication fault in EEPROM IC14 chip  Control board failed Possible causes: Table 35 Procedure: Is EEPROM IC14 Power off and correct the chip improperly...

  • Page 49: H8 Troubleshooting

    Service Manual Bosch IDS 2.0 | 49 12.3.8 H8 Troubleshooting LED display output: Description: Pressure transducer (PT) fault  Pressure transducer wiring not secure Possible causes:  Pressure transducer failed Table 36 Procedure: Is the wiring Secure wiring secure? Did the pressure...

  • Page 50: P0 Troubleshooting

    5 0 | Bosch IDS 2.0 Service Manual 12.3.9 P0 Troubleshooting LED display output: Description: Control board is over-heated  Poor heat dissipation, causing control board to overheat  Tf sensor failed Possible causes:  Wrong connection on control board of T5&Tf (common cause) ...

  • Page 51: P1/F1 Troubleshooting

    Service Manual Bosch IDS 2.0 | 51 12.3.10 P1/F1 Troubleshooting LED display output: P1/F1 Description: High pressure protection  Poor heat exchange on coil (cooling mode – outdoor coil, heating mode – indoor coil)  Fan motor failure (cooling mode – outdoor fan, heating mode – indoor fan) ...

  • Page 52: P2/H5 Troubleshooting

    5 2 | Bosch IDS 2.0 Service Manual 12.3.11 P2/H5 Troubleshooting LED display output: P2/H5 Description: Low pressure protection  Poor heat exchange on coil (cooling mode – indoor coil, heating mode – outdoor coil)  Fan motor failure (cooling mode – indoor fan, heating mode – outdoor fan) ...

  • Page 53: P3 Troubleshooting

    Service Manual Bosch IDS 2.0 | 53 12.3.12 P3 Troubleshooting LED display output: Description: Compressor over current protection  Poor heat exchange on coil (cooling mode – outdoor coil, heating mode – indoor coil)  Fan motor failure (cooling mode – outdoor fan, heating mode – indoor fan) ...

  • Page 54: P4 Troubleshooting

    5 4 | Bosch IDS 2.0 Service Manual 12.3.13 P4 Troubleshooting LED display output: Description: High compressor discharge temperature (T5) protection  Poor heat exchange on coil (cooling mode – outdoor coil, heating mode – indoor coil)  Fan motor failure (cooling mode – outdoor fan, heating mode – indoor fan) ...

  • Page 55: P5 Troubleshooting

    Service Manual Bosch IDS 2.0 | 55 12.3.14 P5 Troubleshooting LED display output: Description: Condenser coil temperature (T3) protection in cooling  Poor heat exchange on coil (cooling mode – outdoor coil)  Fan motor failure (cooling mode – outdoor fan) ...

  • Page 56: P8 Troubleshooting

    5 6 | Bosch IDS 2.0 Service Manual 12.3.15 P8 Troubleshooting LED display output: Description: DC outdoor fan motor protection  Severe weather (fan running in standby mode due to high wind) Possible causes: Table 43 Procedure: Are outdoor weather conditions...

  • Page 57: Ph Troubleshooting

    Service Manual Bosch IDS 2.0 | 57 12.3.16 PH Troubleshooting LED display output: Description: Low discharge superheat protection.  Poor heat exchange on coil (cooling mode – indoor coil, heating mode – outdoor coil)  Fan motor failure (cooling mode – indoor fan, heating mode – outdoor fan) ...

  • Page 58: Lo-L9 Troubleshooting

    5 8 | Bosch IDS 2.0 Service Manual 12.3.17 LO-L9 Troubleshooting LED display output: LO-L9 Description: The IPM module protection  Control board failed  Compressor failed Possible causes:  Abnormal pressure Table 45 Procedure: Are the service Open the service valves...

  • Page 59: Atl Troubleshooting

    Service Manual Bosch IDS 2.0 | 59 12.3.18 AtL Troubleshooting LED display output: Description: Ambient Temperature Limited Condition  Ambient temperature beyond operating range  Incorrect O/B thermostat setting Possible causes:  T4 sensor fault Table 46 Procedure: Is the ambient No service required.

  • Page 60: Situational Troubleshooting

    6 0 | Bosch IDS 2.0 Service Manual 12.4 Situational Troubleshooting 12.4.1 LED Display is Blank LED display output: No fault code displayed Description: Nothing is displayed on the LED display, but there is high voltage power to the board ...

  • Page 61: System Does Not Start

    Service Manual Bosch IDS 2.0 | 61 12.4.2 System Does Not Start LED display output: No fault code displayed Description: High voltage power is available to the unit, unit is given call for heating/cooling, system does not start  The thermostat is improperly wired ...

  • Page 62: Poor Capacity

    6 2 | Bosch IDS 2.0 Service Manual 12.4.3 Poor Capacity LED display output: No fault code displayed No fault code displayed but poor capacity (the the heating or cooling capacity is insuffi cient, but the unit Description: is running) ...

  • Page 63: Poor Dehumidifi Cation

    Service Manual Bosch IDS 2.0 | 63 12.4.4 Poor Dehumidifi cation LED display output: No fault code displayed Description: System is running, but not dehumidifying the space to customer’s expectation  Unit improperly sized  Duct work design error Possible causes: ...

  • Page 64: Advanced System Check

    6 4 | Bosch IDS 2.0 Service Manual 13 Advanced System Check 13.1 Abnormal Pressure Are the service Open service valves valves closed? Is the refrigerant Fix lineset pipe bent or damaged on lineset ? Refrigerant cycle problem Does the...

  • Page 65: Pressure Transducer (Pt)

    Service Manual Bosch IDS 2.0 | 65 13.2 Pressure Transducer (PT) Run unit in heating or cooling mode Press check point button on the outdoor control board to check suction pressure (Cooling - check point #9, Heating - check point #10). Write down value for later reference.

  • Page 66: Electronic Expansion Valve (Eev)

    6 6 | Bosch IDS 2.0 Service Manual 13.3 Electronic Expansion Valve (EEV) Restart unit, give a call for heat Is there a fast Are there signs of Follow section 13.1 to “clicking” noise abnormal high/low check for abnormal when heating mode...

  • Page 67: Temperature Sensor (T3,T4,T5,Th,T3L,Tf)

    Service Manual Bosch IDS 2.0 | 67 13.4 Temperature Sensor (T3,T4,T5,Th,T3L,Tf) Out of operating range. Is ambient temperature No service required. below -4°F? If you do not wait 10-15 minutes, your Satisfy tstat and wait in standby mode temperature reference value will be for 10 - 15 minutes incorrect in the next steps.

  • Page 68: High Pressure Switch (Hps)

    6 8 | Bosch IDS 2.0 Service Manual 13.5 High Pressure Switch (HPS) Is wiring from HPS Correct according to to control board wiring diagram correct? Power off unit at breaker Location Unplug HPS from control board and measure resistance at wiring harness Is resistance ≥...

  • Page 69: Outdoor Fan Motor

    Service Manual Bosch IDS 2.0 | 69 13.6 Outdoor Fan Motor Restart system, give system a call for ODU fan should run any time there is a call heating/cooling for cooling/heating. Does ODU motor No service required run properly? Power off the unit at...

  • Page 70: Indoor Blower Motor

    7 0 | Bosch IDS 2.0 Service Manual 13.7 Indoor Blower Motor Restart unit, give system Tstat Conection Wire Color call for heating/cooling Blower should run any time there is a call for cooling/heating. Only exception is fan delay R & C Red &...

  • Page 71: Compressor

    Service Manual Bosch IDS 2.0 | 71 13.8 Compressor Restart unit, give call for heating/cooling, wait 5 mins Does compressor appear to be running properly No service required (i.e. no abnormal noise)? Is the power supply Correct power supply/call 172V-270V?

  • Page 72: System Charge

    7 2 | Bosch IDS 2.0 Service Manual 13.9 System Charge Is ambient temp within 55-120°F? Temperature out of range, charge unit via weigh in Is indoor temperature method. Refer to IOM between 70-80°F? Start the system in cooling mode for at least 10 minutes Short press “Force”...

  • Page 73: Outdoor Board Fuse

    Service Manual Bosch IDS 2.0 | 73 13.10 Outdoor Board Fuse Outdoor Board Fuse Fuse Type 250V/30A Function Protect control board The System will not work if this fuse is blown. Did the fuse blow No service required on the outdoor board?

  • Page 74: Indoor Board Fuse

    7 4 | Bosch IDS 2.0 Service Manual 13.11 Indoor Board Fuse Did fuse#1 blow on No service required the indoor board? Fuse#1 Type 32V/3A Fuse#2 Type 230V/ 3.15A Function Protect control board Power off unit IDS 2.0 Indoor Board...

  • Page 75: Appendix

    Service Manual Bosch IDS 2.0 | 75 Appendix Appendix 1 Outdoor Unit Control Board WARNING: ELECTRICAL HAZARD 380 VOLTS DC Failure to follow this warning could result in property damage, severe personal injury, or death. WAIT THREE (3) MINUTES after disconnecting power...
  • Page 76 7 6 | Bosch IDS 2.0 Service Manual Component Check Measure location Parameter When to check Terminal Block High voltage power supply 172-270V(AC) When there is high voltage power to unit (L1-L) CN9 Thermostat connection Low voltage power supply 18-30V(AC)

  • Page 77: Appendix 2 Indoor Unit Control Board

    Service Manual Bosch IDS 2.0 | 77 Appendix 2 Indoor Unit Control Board Figure 50 Bosch Thermotechnology Corp. | 07.2021 Data subject to change...
  • Page 78 7 8 | Bosch IDS 2.0 Service Manual Component Check Measure location Parameter When to check Terminal Block High voltage power supply to board 172-270V(AC) When there is high voltage power to unit (L1-L) (Y1-C, Y2-C, R-C, G-C) Thermostat connection...
  • Page 79 Service Manual Bosch IDS 2.0 | 79 Bosch Thermotechnology Corp. | 07.2021 Data subject to change...
  • Page 80 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 866-642-3198 Fax: 603-965-7581 www.bosch-thermotechnology.us BTC 761702111 A / 07.2021...

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