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Bosch Climate 5000 Series Service Manual
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Bosch Climate 5000 Series Service Manual

Bosch Climate 5000 Series Service Manual

Wall mounted ductless split air conditioner/heat pump
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Service Manual
Wall Mounted Ductless Split Air Conditioner/Heat Pump
Climate 5000 Series - Gen 4

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Summary of Contents for Bosch Climate 5000 Series

  • Page 1 Service Manual Wall Mounted Ductless Split Air Conditioner/Heat Pump Climate 5000 Series - Gen 4...
  • Page 2 Service Manual Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 3 6.4.13 46.4°F (8°C) Heating (Optional) Diagnosis and Solution (PC 04) 6.4.14 Active Clean Function 6.4.15 Follow Me (Optional) 6.4.16 Silence Operation (Optional) Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 4 8.2.1 Panel Plates 8.2.2 Electrical Parts 8.2.3 Fan Assembly 8.2.4 Fan Motor 8.2.5 Sound Blanket 8.2.6 Four-Way Valve 8.2.7 Compressor Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 5 Do not share the electrical outlet with other appliances. Improper or insufficient power supply can cause fire or electrical shock. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 6 • The product must be properly grounded at the time of installation, or electrical shock may occur. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 7 BMS500-AAS009-1CSXRD BMS500-AAS009-1CSXHD BMS500-AAU012-1AHWXD BMS500-AAS012-1CSXRD BMS500-AAS012-1CSXHD Wall Mounted 208-230V BMS500-AAU018-1AHWXD BMS500-AAS018-1CSXRD BMS500-AAS018-1CSXHD BMS500-AAU024-1AHWXD BMS500-AAS024-1CSXRD BMS500-AAS024-1CSXHD BMS500-AAS030-1AHWXD BMS500-AAS030-1CSXRD BMS500-AAS036-1AHWXD BMS500-AAS036-1CSXLD Table 2 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 8 47.1 x 14.2 x 18 1197 x 280 x 371 BMS500-AAS030-1AHWXD 1140 x 285 x 371 44.9 x 11.2 x 14.6 BMS500-AAS036-1AHWXD Table 3 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 9 6K, 9K & 12K Btuh Models Figure 2 18K Btuh Model Figure 3 24K, 30K & 36K Btuh Models Figure 4 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 10 Minimum 14in (355.6mm) (23.6in (599.4mm) or more Minimum 20in recommended for servicing) (508mm) Figure 6 Outdoor Unit Clearances 10 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 11 4.2 Regular and Max Performance 18K Systems Figure 8 For Max Performance 9K, 12K, 18K System, there is no Accumulator. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 11...
  • Page 12 Service Manual 4.3 Regular 24K, 30K Systems, Max Performance 24K System Figure 9 4.4 Regular 36K System Figure 10 12 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 13 1/4" / 6.35 1/2" / 12.7 3/8" / 9.52 5/8" / 15.9 3/8" / 9.52 3/4" / 19 Table 7 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 13...
  • Page 14 Figure 13 Fully open the 2- and 3-way valves and tighten the cap of the 2- and 3-way valves. 14 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 15 Mount the caps of service port and 2- and 3-way valves. Use a torque wrench to tighten the caps to a torque of 18 N.m. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 15...
  • Page 16 (vertically to the floor), and set HIGH fan mode. • The optimum performance will be achieved during this operating temperature zone. 16 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 17 Active Clean (For Inverter split type) or self- cleaning(For Fixedspeed type) Heating in room temperature under 46.4 °F (8°C) Table 11 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 17...
  • Page 18 The outdoor unit will run at different fan speeds according to T4 and compressor running frequency. For different outdoor units, the fan speeds are different. 18 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 19 Resume: No limitation for frequency. Figure 19 Legend: TEH0= 77 , TEH1= 89.6 , TEH2= 91.4 ºF (25°C) ºF (32°C) ºF (33°C) Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 19...
  • Page 20 120 minutes, at this time, if T3 is lower than TCDI1+ 39.2°F (4°C) for 3 minutes, the unit enters defrosting mode. 20 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 21 Quit this mode and turn off the unit when: either quit normal defrosting, turn off by RC or Press AUTO/COOL button continuously for 5s again. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 21...
  • Page 22 Indoor fan will run at auto fan when enter into the ECO mode. The setting temperature and setting fan speed can be changed through remote controller signal. 22 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 23 In engineer mode, press the key combination of “On/Off + Air speed” for 2s; The engineer mode will be exited if there are no valid key operations for continuous 60s. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 23...
  • Page 24 Decimal display with manufacturer Reserve 0-FF Table 14 0 - FF is a hexidecimal display value. Not OFF. 24 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 25 PCB. A screwdriver will also work as a resistive element. For reference the most common error codes are E1, P0, and P3. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 25...
  • Page 26 If you see an error code not displayed in Table 15, contact the manufacturer as the error displayed is for development purpose only. 26 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 27 If you see an error code not displayed in Table 15, contact the manufacturer as the error displayed is for development purpose only. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 27...
  • Page 28 For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric control box should be replaced as a whole. 28 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 29 IPM module board High pressure valve assy High pressure protector   Low pressure protector  Additional refrigerant Table 17 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 29...
  • Page 30 Connect to compressor CN29 0V AC (standby) CN30 10-230V AC (running) CN4_2 Connect to transformer CN4_3 Table 18 30 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 31 Connect to compressor CN29 0V AC (standby) CN30 10-200V AC (running) COMP_IPM IPM 301 IPM for compressor Table 19 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 31...
  • Page 32 Connect to compressor CN28 0V AC (standby) CN29 200-300V AC (running) COMP_IPM IPM 301 IPM for compressor Table 20 32 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 33 7.3.5 PCB: Regular Single Zone (for Wall Mounted IDU) 30K & 36K BMS500-AAS030-1CSXRD, BMS500-AAS036-1CSXRD 24K MAXP, 30K REG, 36K REG 11 12 Figure 27 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 33...
  • Page 34 Connect to cold plate inlet temperature sensor TBH-IN, cold plate outlet temperature sensor TBH-OUT, condenser TBH-IN TBH-OUT T3B TF coil middle temperature sensor T3B, refrigerant tube inlet temperature sensor TF Table 21 34 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 35 Exhaust temperature sensor Tube for heatsink temperature sensor L-PRO Low Pressure Switch H-PRO High Pressure Switch Table 23 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 35...
  • Page 36 Service Manual 7.5 Outdoor Wiring Diagram 7.5.1 Regular Single Zone (115V 12K) Figure 29 36 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 37 Service Manual 7.5.2 Regular & Max Performance Single Zone (9K & 12K) Figure 30 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 37...
  • Page 38 Service Manual 7.5.3 Regular Single Zone (18K & 24K) & Max Performance Single Zone (18K) Figure 31 38 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 39 Service Manual 7.5.4 Max Performance Single Zone (24K) Regular Single Zone (30K) Figure 32 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 39...
  • Page 40 Service Manual 7.5.5 Regular - 36K Single Zone (Wall Mounted Only) Figure 33 40 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 41 Inverter compressor drive error PC 0L Low ambient temperature protection Indoor units mode conflict(match with multi outdoor unit) Table 24 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 41...
  • Page 42 Selector code; press the Up/Down key to select the outdoor forced running frequency(“10-250Hz“), then press “OK” to confirm; and press indoor fan “On/Off” for 2s to exit.(Range:10-250Hz,--;”--” cancels the Settings)(for some models) 42 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 43 In engineer mode, press the key combination of “On/Off + Air speed” for 2s; The engineer mode will be exited if there are no valid key operations for continuous 60s. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 43...
  • Page 44 Compressor current sampling circuit failure PC 42 Compressor start failure of outdoor unit PC 43 ODU compressor lack phase protection 44 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 45 LC 31 Low pressure freq. limited LH 07 Remote control frequency limitation in effect IDUs mode conflict(Multi-zone) Table 26 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 45...
  • Page 46 The two photos above are for reference only, they may not be identical to the PCBs shipped with your equipment. 46 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 47 In this case, the outdoor electric control box Replace IPM board should be replaced as a whole. Figure 36 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 47...
  • Page 48 While if the indoor unit has malfunction, the voltage will be a certain value. Figure 37 Figure 38 48 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 49 Zero crossing detection error is only valid for the unit with AC fan motor, for other models, this error is invalid. Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 49...
  • Page 50 For certain models, outdoor PCB can not be removed separately. In this case, the outdoor electric control box should be replaced as a whole. 50 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 51 If the three values are not equal, the fan motor has a problem and needs to Input Terminal be replaced. Otherwise, replace the ODU PCB. Black White White Black Figure 42 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 51...
  • Page 52 UVW output for DC fan motor Table 37 CN1 Communication with main PCB Figure 44 Signal Voltage 13.5-16.5V 0~6.5V 13.5-16.5V Table 38 52 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 53 For certain models, outdoor unit uses combination sensor, T3, T4 and TP are the same of sensor. Figure 46 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 53...
  • Page 54 Rep lace the sensor . If the fault still exists , replace the indoor main PCB Figure 47 54 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 55 Supposed causes • Indoor PCB faulty • System problems, such as leakage or blocking Table 42 Troubleshooting: Figure 48 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 55...
  • Page 56 ? Replace the indoor main PCB Does the error still exist ? Replace the display board Figure 49 56 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 57 Figure 50 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 57...
  • Page 58 Resistance value (+)Red (-)Black (+)Red (-)Black ∞ ∞ (Several MΩ) (Several MΩ) – Table 45 Figure 52 Figure 51 58 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 59 For certain models, outdoor PCB could not be removed separately. In this case, the outdoor electric control box should be replaced as a whole. Figure 54 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 59...
  • Page 60 Replace the outdoor Are they fixed tightly? control PCB. Tighten the screws and apply silicon grease. Figure 55 60 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 61 In this case, the outdoor electric control box should be replaced as a whole. Figure 56 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 61...
  • Page 62 Figure 57 62 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 63 Cooling mode Heating Mode Cooling mode Heating Mode Table 50 Note: No: No mode conflict Yes: Mode conflict Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 63...
  • Page 64 Figure 58 The picture and the value are only for reference, actual condition and specific value may vary. 64 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 65 15.3418 2.73823 0.70944 0.23916 14.6181 2.63682 0.68844 0.23338 13.918 2.53973 0.66818 0.22776 13.2631 2.44677 0.64862 0.22231 Table 51 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 65...
  • Page 66 4.426 86.49 16.32 4.294 82.54 15.73 4.167 78.79 15.16 4.045 75.24 14.62 3.927 71.86 14.09 3.812 Table 52 66 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 67 Max Performance Blue - Red Blue - Black 1.82Ω 1.82Ω 1.04Ω 1.04Ω 0.86Ω Red - Black Table 54 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 67...
  • Page 68 Digital tester Normal resistance value (+)Red (-)Black (+)Red (-)Black ∞ ∞ (Several MΩ) (Several MΩ) Table 55 Figure 61 68 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 69 If the value of the voltage is not in the range, the PCB must have problems and need to be replaced. Figure 64 Figure 62 Figure 63 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 69...
  • Page 70 Normal Value Red - Blue Red - Yellow About 50Ω Brown - Orange Brown - White Table 56 70 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 71 Bend the horizontal louver lightly to loosen the hooks, then remove the horizontal louver. (see Figure 67) Figure 69 Figure 67 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 71...
  • Page 72 11. Pull the four clips to remove the display board. Pull the mandril of panel to remove it. Remove the panel assembly. Figure 73 Figure 71 72 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 73 12. Pull the two clips to remove the adapter board subassembly. 13. Remove 1 screw and remove the refrigerant sensor. Figure 74 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 73...
  • Page 74 If you want to repair the main control board assembly, perform step 1 to step 6; If you want to repair the electrical control box subassembly, perform the following steps. Figure 76 74 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 75 Remove the two screws and remove the fixing board of the fan motor. Figure 80 Screws Figure 82 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 75...
  • Page 76 Remove the two screws, then remove the horizontal swing motor (see Figure 143). The horizontal swing motor is located in panel assembly. 76 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 77 Remove 1 screw, then remove the ionizer generatorfor some units). The vertical swing motor and ionizer generator are located in chassis assembly. swing motor Figure 88 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 77...
  • Page 78 Bend the piping carefully, separate the chassis assembly (above) and the evaporator then take the evaporator out. Figure 90 Disassemble the pipe clamp board. Figure 93 Figure 91 78 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 79 Remove the screws of the front right panel and then remove the front right panel (2 screws). Water Collecting Cover Figure 98 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 79...
  • Page 80 Figure 99 Remove the screws of the right panel and then remove the right panel. Right Panel Figure 100 80 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 81 Remove the screws of water collecting cover and then remove the water collecting cover (2 screws). Right Panel Figure 105 Water Collecting Cover Figure 103 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 81...
  • Page 82 Remove the screws of water collecting cover and then remove the water collecting cover (2 screws). Figure 110 Water Collecting Cover Figure 108 82 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 83 Then remove the electronic control board. Figure 114 Remove the electronic installing box subassembly (4 hooks). Figure 112 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 83...
  • Page 84 Remove the fixing board (2 hooks). Figure 118 Figure 116 Disconnect the connectors from the electronic control board. Figure 117 84 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 85 Figure 120 Remove eight fixing screws. Turn over the electronic control box subassembly. Figure 123 Figure 121 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 85...
  • Page 86 Remove the panel plate before disassembling sound blanket. Remove the sound blanket (side and top). Sound Blanket (top) Sound Blanket (side) Figure 126 86 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 87 Remove the flange nut of terminal cover and remove the terminal cover. pipe. Remove the four-way valve assembly with pliers. Terminal Cover Figure 128 Figure 127 Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 87...
  • Page 88 Figure 130 Figure 132 88 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 89 Service Manual NOTES: Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 89...
  • Page 90 Service Manual NOTES: 90 | Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025)
  • Page 91 Service Manual NOTES: Bosch Climate 5000 Series Gen 4 Wall Mounted Ductless Split Air Conditioner / Heat Pump - BTC 769202301 A (05.2025) | 91...
  • Page 92 United States and Canada Bosch Thermotechnology Corp. 65 Grove St. Watertown, MA 02472 Tel: 800-283-3787 www.bosch-homecomfort.us BTC 769202301 A /05.2025 Bosch Thermotechnology Corp. reserves the right to make changes without notice due to continuing engineering and technological advances.