Bosch Climate 6000i Service Instructions Manual
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Bosch Climate 6000i Service Instructions Manual

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Service instructions
Split air conditioner
Climate 6000i
CL6001iU W 26 E | CL6001iU W 35 E | CL6001iU W 53 E | CL6001iU W 70 E
CL6001i 26 E | CL6001i 35 E | CL6001i 53 E | CL6001i 70 E
0010034218-001

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  • Page 1 Service instructions Split air conditioner Climate 6000i CL6001iU W 26 E | CL6001iU W 35 E | CL6001iU W 53 E | CL6001iU W 70 E CL6001i 26 E | CL6001i 35 E | CL6001i 53 E | CL6001i 70 E...

  • Page 2: Table Of Contents

    Step motors ........30 Climate 6000i – 6721841607 (2022/03)

  • Page 3: Explanation Of Symbols And Safety Instructions

    ▶ Do not touch any refrigerant that has accidentally leaked. H Caution ▶ Please wear the appropriate personal protective tools during installation, maintenance or repair of the system (protective gloves, safety glasses, etc.). Climate 6000i – 6721841607 (2022/03)

  • Page 4: Refrigerant

    36 V before you touch any circuit component. Refer to the connections and wiring on the nameplate for the master circuit terminals and connections. Climate 6000i – 6721841607 (2022/03)

  • Page 5: General Information On Servicing

    Electrical components must be fit for the purpose and correspond to the correct specification. The manufacturer’s maintenance and service guidelines must be followed at all times. If in doubt consult the manufacturer’s technical department for assistance. Climate 6000i – 6721841607 (2022/03)
  • Page 6 Ensure that the outlet for the vacuum pump is away from any sources of ▶ Ensure equipment is labelled to state it contains flammable ignition and that ventilation is available. refrigerant. Climate 6000i – 6721841607 (2022/03)
  • Page 7 ▶ Determine the maximum number of pieces of equipment permitted to be stored together according to local regulations Climate 6000i – 6721841607 (2022/03)

  • Page 8: Product Information

    C [mm] installed every 6 m of vertical gas pipe in order to avoid a compressor CL6001iU W 26 E damage. CL6001iU W 35 E CL6001iU W 53 E CL6001iU W 70 E 1140 Table 3 Climate 6000i – 6721841607 (2022/03)
  • Page 9 ≥ 6 0 0 ≥ 2 0010032599-003 Fig. 3 Outdoor unit dimensions A [mm] B [mm] C [mm] D [mm] E [mm] F [mm] CL6001i 26 E CL6001i 35 E CL6001i 53 E CL6001i 70 E Table 4 Climate 6000i – 6721841607 (2022/03)

  • Page 10: Electrical Wiring Diagrams

    Wi-Fi gateway White wire Human sensor CN.. Port code Humidity sensor _ _ _ Indicated element is optional [10] Room temperature sensor [11] Display board [12] Main board [13] Communication/Power supply cable from outdoor unit Climate 6000i – 6721841607 (2022/03)

  • Page 11: Outdoor Unit Wiring Diagram

    For standby control the cross section area of the communication cable must be selected to suit the maximum system current. The maximum system current is equal to the sum of indoor unit and outdoor unit rated current. Climate 6000i – 6721841607 (2022/03)
  • Page 12 For standby control the cross section area of the communication cable must be selected to suit the maximum system current. The maximum system current is equal to the sum of indoor unit and outdoor unit rated current. Climate 6000i – 6721841607 (2022/03)

  • Page 13: Outdoor Unit Main Pcb Ports

    Product Information 3.4.3 Outdoor unit main PCB ports 0010040788-001 Fig. 7 Main PCB ports for outdoor unit with 9 to 18 kBTU/h Climate 6000i – 6721841607 (2022/03)
  • Page 14 IPM for DC fan CN28 Compressor connection • Standby: 0V AC • Running: 10-200V AC CN29 CN30 COMP_IPM IPM 301 IPM for compressor Table 5 Actual appliance might differ. This section is for reference only. Climate 6000i – 6721841607 (2022/03)

  • Page 15: Outdoor Unit Printed Circuit Board Diagram

    Product Information 3.4.4 Outdoor unit printed circuit board diagram RC 2 VU B 0010040789-001 Fig. 8 Main PCB ports for outdoor unit with 24 kBTU/h Climate 6000i – 6721841607 (2022/03)
  • Page 16 COMP_IPM IPM1 IPM for compressor CN27 Compressor connection • Standby: 0V AC • Running: 200-300V AC CN28 CN29 EE_PORT CN505 EEPROM programer port Table 6 Actual appliance might differ. This section is for reference only. Climate 6000i – 6721841607 (2022/03)

  • Page 17: Product Features

    ) is less than minimum limit frequency • If more than one temperature sensor is malfunctioning, the unit = 12 Hz). ceases operation. – Compressor runs at F for more than 10 minutes. – T1 ≤ (T −2 °C). Climate 6000i – 6721841607 (2022/03)

  • Page 18: Heating Mode

    In heating mode, the indoor fan operates continuously. The fan speed can be set between 1...100 %. Anti-cold air function has priority. Anti-cold air function: The indoor fan is controlled by the indoor temperature T1 and the indoor unit coil temperature T2. Climate 6000i – 6721841607 (2022/03)

  • Page 19: Dehumidification Mode

    – Unit runs for 15 minutes consecutively in defrosting mode. – Quit normal defrosting. – Turn off by RC. 1) 4 °C higher for some units – Press AUTO/COOL button again for a few seconds. Climate 6000i – 6721841607 (2022/03)

  • Page 20: Timer

    4.3.12 Noise reduction While this function is active, the indoor unit will run at only 1 % fan speed (faint breeze) to reduce noise to the lowest possible level. 1) Only in cooling mode Climate 6000i – 6721841607 (2022/03)

  • Page 21: Refrigerant

    ▶ Wait for 5 minutes then check whether the gauge needle moves after turning off the vacuum pump. If the gauge needle moves backward, check wether there is gas leakage. Climate 6000i – 6721841607 (2022/03)

  • Page 22: Outdoor Unit

    ▶ Mount the caps of service port, liquid valve and gas valve. ▶ Use a torque wrench to tighten the caps to a torque of 18 Nm. Refrigerant charging ▶ Charge the refrigerant according to page 21. Climate 6000i – 6721841607 (2022/03)

  • Page 23: Pressure On Service Port For Refrigerant R32

    0010038675-001 Fig. 14 Pressure on service port in cooling mode DB/WB T [°C]: 32.22/22.78 26.67/19.44 23.89/17.22 21.11/15 Dry bulb temperature Pressure on service port Temperature at indoor unit Temperature at outdoor unit Wet bulb temperature Climate 6000i – 6721841607 (2022/03)

  • Page 24: Heating Chart

    (DB/WB) 0010038676-001 Fig. 15 Pressure on service port in heating mode DB T [°C]: 23.89 18.33 12.78 Dry bulb temperature Pressure on service port Temperature at indoor unit Temperature at outdoor unit Wet bulb temperature Climate 6000i – 6721841607 (2022/03)

  • Page 25: System Pressure Table

    2050 20.5 32.395 2100 33.341 2150 21.5 34.271 2200 35.184 2250 22.5 36.082 2300 36.965 2350 23.5 37.834 2400 38.688 2450 24.5 39.529 2500 40.358 2550 25.5 41.173 2600 41.977 2650 26.5 42.769 2700 43.55 Climate 6000i – 6721841607 (2022/03)

  • Page 26: Indoor Unit Disassembly

    0010040657-001 Fig. 19 Stop blocks ▶ Pull two sides of the bottom panel along the direction indicated in right image to remove it. 0010040655-001 Fig. 17 Horizontal louver Locker 0010040658-001 Fig. 20 Bottom panel Climate 6000i – 6721841607 (2022/03)

  • Page 27: Electrical Parts

    ▶ Raise the mandril [2] to fix the cover[1]. 0010040660-001 Fig. 22 ▶ Remove 1 screw of the display board. ▶ Rotate the display board subassembly in the direction shown in picture 8. 0010040662-001 Fig. 24 Cover of the electronic control box Mandril Climate 6000i – 6721841607 (2022/03)

  • Page 28: Electrical Control Box Subassembly

    ▶ Pull the cover of electronic control box along the direction indicated in right image to remove it. 0010040664-001 Fig. 26 ▶ Remove one screw used for the ground connection. 0010040666-001 Fig. 28 Ground Screw Mandril Electronic control box Climate 6000i – 6721841607 (2022/03)

  • Page 29: Fan Motor And Fan

    0010040670-001 Fig. 32 Bearing sleeve ▶ Remove the fixing screw. ▶ Pull out the fan motor and fan assembly from the side. 0010040668-001 Fig. 30 Fixing clips Chassis 0010040671-001 Fig. 33 Fan motor Fixing screw Climate 6000i – 6721841607 (2022/03)

  • Page 30: Step Motors

    Fig. 37 Horizontal swing motor Ionizer generator 0010040673-001 Fig. 35 The horizontal swing motor and ionizer generator are located in chassis Intelligent eye assembly. Drain Hose ▶ Rotate the fixed wire clockwise indicated in right image. Climate 6000i – 6721841607 (2022/03)

  • Page 31: Evaporator

    Remove the front panel, electrical parts and fan ( chapter 6.1, p. to chapter 6.3, p. 29) before disassembling evaporator. ▶ Remove the 2 screws then remove the panel frame assembly. 0010040679-001 Fig. 41 0010040677-001 Fig. 39 Panel frame Climate 6000i – 6721841607 (2022/03)

  • Page 32: Outdoor Unit Disassembly

    CL6001i 26 E, CL6001i 35 E ▶ Turn off the air conditioner and the power breaker. ▶ Remove the screw of the big handle and then remove the big handle (1 screw). 0010037892-001 Fig. 45 Dust Cover 0010041031-001 Fig. 43 Climate 6000i – 6721841607 (2022/03)

  • Page 33: Cl6001I 53 E, Cl6001I 70 E

    [1] (3 screws). One of the screws is located underneath the big handle. 0010037896-001 Fig. 49 Top Cover 0010037894-001 Fig. 47 Right Panel 7.1.2 CL6001i 53 E, CL6001i 70 E ▶ Turn off the air conditioner and the power breaker. Climate 6000i – 6721841607 (2022/03)
  • Page 34 0010040771 -001 Fig. 52 0010037897-001 Right Panel Fig. 50 Dust Cover ▶ Remove the screws of the front panel [1] and then remove the front panel (9 screws). 0010037898-001 Fig. 51 Front Panel Climate 6000i – 6721841607 (2022/03)

  • Page 35: Electrical Parts

    ▶ Pull out connectors of the condenser coil temperature sensor (T3), outdoor ambient temperature sensor (T4) and discharge temperature sensor (TP) [5]. ▶ Disconnect the electronic expansion valve wire [2]. ▶ Remove the connector for the DR and reactor. 0010038035-001 Fig. 55 Climate 6000i – 6721841607 (2022/03)

  • Page 36: Fan And Fan Motor

    ▶ Remove the fan. 0010038038-001 Fig. 58 0010038052-001 Fig. 61 D-Cut ▶ Remove the connection of the fan motor on the PCB ( page 35). ▶ Remove the fixing screws of the fan motor (4 screws). Climate 6000i – 6721841607 (2022/03)

  • Page 37: Sound Blanket

    ▶ Evacuate the system and confirm that there is no refrigerant left in the system before removing the four-way valve. Remove the panel plate ( page 32) and disconnect the four way valve on the PCB ( page 35) before disassembling the four-way valve. Climate 6000i – 6721841607 (2022/03)
  • Page 38 ▶ Heat up the brazed parts and then remove the discharge pipe [1] and the suction pipe [2]. ▶ Lift the compressor from the base pan assembly with pliers. 0010038061-001 Fig. 65 Terminal Cover ▶ Disconnect the connectors. 0010038062-001 Fig. 66 0010038064-001 Fig. 68 Discharge Pipe Suction Pipe Climate 6000i – 6721841607 (2022/03)

  • Page 39: Diagnosis And Troubleshooting

    Test the voltage between P and N on the back of main PCB with multimeter. If the voltage is lower than 36 V, the capacitors are fully discharged. 0010038532-001 Fig. 69 Voltage between P and N Climate 6000i – 6721841607 (2022/03)

  • Page 40: Error Codes

    Compressor discharge temperature protection PC 08 Protection against current overload • Outdoor PCB • Compressor PC 09 Anti-cold air in heating mode PC 10 Low voltage protection PC 11 Over voltage protection PC 12 DC voltage protection Climate 6000i – 6721841607 (2022/03)

  • Page 41: Parameter Information Inquiry By Remote Control

    Opening state Lr of electronic EXV opening angle = expansion valve value × 8 Actual Running Speed ir of the Indoor fan speed = value × 8 indoor fan Indoor Humidity Hu Set Temperature TT after compensation Reserved Reserved Climate 6000i – 6721841607 (2022/03)

  • Page 42: Error Diagnosis And Troubleshooting Without Error Code

    ▶ Inspect fuse type & size Loose connections ▶ Inspect connections - tighten Shorted or broken wires ▶ Test circuits with tester Safety device opens ▶ Test continuity of safety device Faulty transformer ▶ Check control circuit with tester Climate 6000i – 6721841607 (2022/03)
  • Page 43 Restricted liquid line ▶ Replace restricted part Dirty air filter ▶ Clean or replace Dirty evaporator coil ▶ Clean coil Insufficient air through evaporator coil ▶ Check fan Capillary tube closed completely ▶ Replace capillary Climate 6000i – 6721841607 (2022/03)
  • Page 44 Horizontal louver can not revolve Electrical Loose connections ▶ Inspect connections - tighten Shorted or broken wires ▶ Test circuits with tester Faulty stepping motor ▶ Replace the stepping motor Table 20 Field Maintenance Climate 6000i – 6721841607 (2022/03)

  • Page 45: Check Procedures

    The picture and the value are only for reference, actual condition and specific value may vary. 8.4.3 Compressor Check ▶ Disconnect the compressor power cord from outdoor PCB ( outdoor unit disassembly on page 26). 0010038443-001 Fig. 72 Compressor Check Climate 6000i – 6721841607 (2022/03)

  • Page 46: Ipm Continuity Check

    Resistance value (+)Red (-)Black ∞ (Several MΩ) ∞ (Several MΩ) – Table 22 0010038440-001 Fig. 73 IPM Continuity Check The picture and the value are only for reference, actual condition and specific value may vary. Climate 6000i – 6721841607 (2022/03)

  • Page 47: Troubleshooting By Error Code

    Mode of two units (A and B) Mode conflict A+B = cooling A+B = heating A+B = fan mode A = fan mode B = cooling A = fan mode B = heating A = cooling B = heating Table 23 Climate 6000i – 6721841607 (2022/03)

  • Page 48: Ec 07: The Outdoor Fan Speed Is Operating Outside Of The Normal Range

    Otherwise the PCB must has problems and need to be replaced. 0010038413-001 Fig. 74 Fan motor connector (control chip is in outdoor PCB) UVW connector Climate 6000i – 6721841607 (2022/03)
  • Page 49 Check the wiring of fan motor It is wired wrong Ensure proper connections Measure the voltage for the fan motor from the PCB It is within normal parameters Replace the fan motor Replace the outdoor main PCB Climate 6000i – 6721841607 (2022/03)

  • Page 50: Ec 51: Outdoor Unit Eeprom Parameter Error Or Compressor Driven Chip Eeprom Parameter Error

    • Outdoor PCB main chip does not receive feedback from EEPROM chip or compressor driven chip. Procedure Shut off the power supply andturn it on 2 minutes later The error code is still displayed Replace the outdoor main PCB The unit is operating normally Climate 6000i – 6721841607 (2022/03)

  • Page 51: Ec 52-54: Open Circuit Or Short Circuit Of Outdoor Temperature Sensor (T3, T4, Tp)

    The connection between the temperature sensor and Ensure proper connections the circuit board is correct The resistance value of the sensor is not within Replace the outdoor main PCB acceptable parameters Replace the sensor Climate 6000i – 6721841607 (2022/03)

  • Page 52: Eh 00/Eh 0A: Indoor Unit Eeprom Parameter Error

    • Indoor PCB main chip does not receive feedback from EEPROM chip. Procedure Shut off the power supply andturn it on 2 minutes later The error code is still displayed Replace the indoor main PCB The unit is operating normally Climate 6000i – 6721841607 (2022/03)

  • Page 53: Eh 0B: Indoor Pcb / Display Board Communication Error

    Is it still displaying the error code The unit functions normally Are all the connections good Ensure a proper connection If the error still exists, replace the display board. If the error still exists, replace the indoor main PCB. Climate 6000i – 6721841607 (2022/03)

  • Page 54: Eh 03: The Indoor Fan Speed Is Operating Outside Of Normal Range

    Check the wiring of fan motor It is wired wrong Ensure proper connections Measure the voltage for the fan motor from the PCB It is within normal parameters Replace the fan motor Replace the indoor main PCB Climate 6000i – 6721841607 (2022/03)

  • Page 55: Eh 60-61: Open Circuit Or Short Circuit Of Indoor Temperature Sensor (T1, T2)

    Open circuit or short circuit of indoor temperature sensor The temperature sensor and the circuit board are Ensure proper connections improperly connected The resistance of the sensor is within acceptable Replace the indoor main PCB parameters Replace the sensor Climate 6000i – 6721841607 (2022/03)

  • Page 56: El 0C: Refrigerant Leakage Detection

    Charge Refrigerant appropriately (approx. 10% of the name plate charge) Repair the leakage and recharge the refrigerant. T2 sensor T2 sensor is loose Ensure proper connection Is T1 too close to the evaporator? Install correctly Replace indoor PCB Climate 6000i – 6721841607 (2022/03)

  • Page 57: El 01: Indoor And Outdoor Unit Communication Error Diagnosis And Solution

    • The normal value should be around zero ohm. Otherwise, the reactor may have malfunction. The picture and the value are only for reference, actual condition and specific value may vary. Climate 6000i – 6721841607 (2022/03)
  • Page 58 Unplug all the high voltage components connected to Replace short-circuited main PCB such as 4 way valve, heater one by one to component and main PCB check their resistance. One of the components has a short circuit. Climate 6000i – 6721841607 (2022/03)

  • Page 59: Pc 08: Current Overload Protection

    The power wiring wired Reconnect the incorrectly power wiring The voltage between L and N is normal L and N are not connected Reconnect L and N properly The current is abnormal Replace the outdoor main PCB Climate 6000i – 6721841607 (2022/03)
  • Page 60 The heat exchanger is dirty Clean the heat exchanger System pressure too high Check whether the refrigerant system is running normally Recycle the overcharged refrigerant. Is there still a problem? Replace outdoor main board. Climate 6000i – 6721841607 (2022/03)

  • Page 61: Pc 00: Ipm Malfunction Or Igbt Over-Strong Current Protection

    ▶ Disassemble outdoor PCB or disassemble IPM board. ▶ Measure the resistance value between P and (U,V,W), N and (U,V,W). 0010038441-001 Fig. 80 Compressor check Blue Black 0010038440-001 0010038443-001 Fig. 79 IPM Continuity Check Fig. 81 Compressor check Climate 6000i – 6721841607 (2022/03)
  • Page 62 Outdoor fan is working properly Please refer to the solution of the“ fan speed is operating outside of the normal range” malfunction The compressor resistance values are uniform Replace the compressor Replace the outdoor PCB Climate 6000i – 6721841607 (2022/03)

  • Page 63: Pc 01: Over Voltage Or Too Low Voltage Protection

    1) While the unit is in standby, is the voltage between P and N is around DC 310 V, 340 V or 380 V. When start up the unit, is it in 220 V~400 V. Climate 6000i – 6721841607 (2022/03)

  • Page 64: Pc 02: Top Temperature Protection Of Compressor Or High Temperature Protection Of Ipm Module Or High Pressure Protection Diagnosis And Solution

    Resistance between the two OLP ports = 0? Replace the outdoor control PCB. Replace the OLP. For certain models, the outdoor PCB can not be removed separately. In this case, the outdoor electric control box should be replaced as a whole. Climate 6000i – 6721841607 (2022/03)

  • Page 65: Pc 04: Inverter Compressor Drive Error

    The IPM function is correct Replace the outdoor PCB Outdoor fan is working properly Please refer to “Fan Speed Malfunction” The compressor resistance values are uniform Replace the compressor Replace the outdoor PCB Climate 6000i – 6721841607 (2022/03)

  • Page 66: Pc 40: Communication Error Between Outdoor Main Chip And Compressor Driven Chip

    • The main chip cannot detect the compressor driven chip. Procedure Shut off the power supply and turn it on 2 minutes later It is still displaying the error code Trouble is solved Replace outdoor main board Climate 6000i – 6721841607 (2022/03)

  • Page 67: Appendix

    0.2278 2.540 Table 26 Temperature Sensor Resistance Value Table for TP Temperature [°C] Resistance [k] Temperature [°C] Resistance [k] 222.8 542.7 200.7 483.0 180.9 430.5 163.3 384.3 147.6 343.6 133.5 307.7 121.0 275.9 109.8 247.8 Climate 6000i – 6721841607 (2022/03)
  • Page 68 19.69 18.26 16.94 15.73 14.62 13.59 12.65 11.79 10.99 10.25 9.569 8.980 8.358 7.820 7.321 6.859 6.430 6.033 5.663 5.320 4.703 4.426 4.167 3.927 3.702 3.492 3.296 3.113 2.941 2.781 2.630 2.489 2.357 2.233 2.117 Climate 6000i – 6721841607 (2022/03)

  • Page 69: Complain Record Form

    Code of Outdoor PCB: Unit does not start Less cooling or heating Remote control does not work Unit starts but stops shortly Indoor display shows nothing High noise No cooling or heating at all High vibration Climate 6000i – 6721841607 (2022/03)
  • Page 70 Indoor capacity test Outdoor fan speed EXV opening steps Indoor fan speed Indoor humidity Adjusted setting temperature New calculated frequency Reserved Reserved Reserved Reserved Approval from Manufacturer  Approved  More Proof needed  Rejected Climate 6000i – 6721841607 (2022/03)

  • Page 71: Environmental Protection And Disposal

    Refrigerant is hazardous to the environment and must be collected and disposed of separately. 1) Based on ANNEX I of REGULATION (EU) No 517/2014 of the European Parliament and of the Council of 16 April 2014. Climate 6000i – 6721841607 (2022/03)
  • Page 72 You can contact our Data Protection Officer under: Data Protection Officer, Information Security and Privacy (C/ISP), Robert Bosch GmbH, Postfach 30 02 20, 70442 Stuttgart, GERMANY. You have the right to object, on grounds relating to your particular...
  • Page 80 Bosch Thermotechnik GmbH Junkersstrasse 20-24 D-73249 Wernau www.bosch-thermotechnology.com...

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