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Summary of Contents for Klimaire KSIM20912-H216
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Page 1: Service Manual
SERVICE MANUAL KLIMAIRE AIRCONDITIONER KSIM DC INVERTER MULTI TYPE KSIM20912-H216 KSIM30912-H216 KSIM40912-H216 DC MULTI OUTDOOR UNITS... -
Page 2: Table Of Contents
CONTENTS 1. General information of Outdoor Units.............3 2 Features......................4 3. Dimensions......................5 4. Wiring Diagram....................6 5. Refrigeration Cycle Diagram................8 6. Indoor units combination.................9 7. Electronic control function................10 8. Troubleshooting....................15... -
Page 3: General Information Of Outdoor Units
1. General information of Outdoor Units Net/Gross weight Dimension Model name Compressor (mm) (kg) 845x320x700 53.5/57 DA130S1C-20FZ KSIM20912-H216 845x320x700 57/60.5 DA150S1C-20FZ KSIM30912-H216 KSIM40912-H216 990x345x965 86 / 90 TNB306FPGMC-L... -
Page 4: Features
2 Features Outdoor unit Power relay control Low noise air flow system Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode. 4 way valve control It is only operated in the heating operation mode except defrosting operation. Anti-rust cabinet Valve protection cover It protects the valves and prevents water from dripping. -
Page 5: Dimensions
3. Dimensions KSIM30912-H216 KSIM20912-H216 KSIM40912-H216... -
Page 6: Wiring Diagram
4. Wiring Diagram KSIM20912-H216 KSIM30912-H216... - Page 7 KSIM40912-H216...
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Page 8: Refrigeration Cycle Diagram
5. Refrigeration Cycle Diagram 8.1 Refrigeration circuit drawing of inverter binary type Axial flow fan EXVA Auxiliary Liquid valve A Filter A Capillary Exhaust Main Capillary A temp. sensor Capillary EXVB Check Liquid valve B Filter B flow fan Condenser Coil temp. -
Page 9: Indoor Units Combination
6. Indoor units combination 6.1 Indoor unit combination for KSIM20912-H216 One unit Two unit 9+9 9+12 6.2 Indoor unit combination for KSIM30912-H216 One unit Two unit Three unit 9+12 9+9+9 9+9+12 12+12 6.3 Indoor unit combination for KSIM40912-H216 One unit... -
Page 10: Electronic Control Function
7. Electronic control function 7.1 Abbreviation T1: Indoor ambient temperature T2: Coil temperature of indoor heat exchanger middle. T2B: Coil temperature of indoor heat exchanger outlet. T3: Coil temperature of outdoor heat exchanger T4: Outdoor ambient temperature T5: Compressor discharge temperature Ts: Setting temp. - Page 11 Actual data divide 8 EXV open angle for 2# indoor unit Actual data divide 8 EXV open angle for 3# indoor unit Actual data divide 8 EXV open angle for 4# indoor unit AD data Power supply of outdoor unit The indoor unit can communicate with outdoor unit well.
- Page 12 7.4.4Number of indoor unit Display Number of indoor unit 7.4.5 Outdoor ambient temp: Corresponding Corresponding Display Corresponding temp. Display Display temp. temp. -7.5 10.5 25.5 -6.5 11.5 26.5 -5.5 11.5 27.5 -4.5 12.5 28.5 -3.5 13.5 29.5 14.5 -1.5 30.5 15.5 -0.5 31.5...
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Page 13: Low Voltage Protection
VOLLIMT3 VOLREL1 VOLREL2 VOLREL3 VOLFRE1 VOLFRE2 KSIM20912-H216 KSIM30912-H216 KSIM40912-H216 Note: if the low voltage protection occurs and not resumes within 3min, it will keep the protection always after restart the machine. 7.5.4 Compressor current limit protection If the compressor current exceeds the current limit value for 10 seconds, the compressor frequency will be limited as below table. - Page 14 If the compressor frequency keeps lower than RECOILINFRE for 2hours,the AC will rise the frequency to RECOILFRE for 3mins and then resume to former frequency. Model RECOILINFRE KSIM20912-H216 KSIM30912-H216 KSIM40912-H216 During the oil return process, the EXV and indoor units keep the current running mode, the frequency will not be limited by the compressor discharge temp.
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Page 15: Error Codes
8. Troubleshooting Indoor unit error code explanation: Vertu series: Display LED STATUS EEPROM error Communication error between indoor and outdoor unit Zero-crossing examination error Fan speed beyond control Outdoor units temp. sensor or connector of temp. sensor is defective Indoor units temp. sensor or connector of temp. sensor is defective Inverter module protection Outdoor voltage too low protection Compressor discharge temp. -
Page 16: Trouble Shooting
Trouble shooting 8.3.1 Indoor unit trouble shooting Indoor unit display LED STATUS EEPROM error Circuit or software error on indoor PCB Replace indoor PCB Indoor unit display LED STATUS outdoor communication error Disconnect the power supply, after 1 minute, connect the power supply, turn on the unit with remote controller Does unit... - Page 17 power supply Be sure the power supply is good connection of connectors and correct the connection good? Indoor PCB is defective. Replace the indoor PCB. Indoor unit display LED STATUS Fan speed beyond control Is the indoor fan motor Repair the connector and connector and connection reconnect good?
- Page 18 Is the indoor temperature evaporator sensor Repair the connector and connector and connection reconnect good? Replace the sensor and Replace the.indoor PCB check if E6 display again? Indoor unit display LED STATUS Inverter module protection Revise the power and retest. Is voltage normal? Is all connection good? Revise the power and retest.
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Page 19: Indoor Unit Display
Indoor unit display LED STATUS Compressor top protection against temperature Is the connection Does compressor Reconnect and retest. good? operate? refrigerant protector Replace the protector. circulation normal? volume normal? Check the outdoor Charge refrigerant main PCB. Is there some problem? Replace the outdoor PCB. - Page 20 Is connection to connector of pipe temp. sensor good? Repair connector Check the resistance of the temp. sensor according to Annex 1 Replace the sensor Outdoor unit display LED STATUS No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective Is connection to connector of pipe temp.
- Page 21 Outdoor unit display LED STATUS No 4 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective Is connection to connector of pipe temp. sensor good? Repair connector Check the resistance of the temp. sensor according to Annex 1 Replace the sensor Outdoor unit display LED STATUS...
- Page 22 Check the voltage of power supply, if the voltage is about 220V, turn off the power supply to indoor unit and turn it on again after 1 minute Does the trouble occur again? Check the voltage of secondary of T3 transformer in outdoor power board , is this voltage 12-14V(AC) Replace the outdoor power board...
- Page 23 Outdoor unit display LED STATUS outdoor units communication protection Is the LED in outdoor main PCB light? Check the signal wires between outdoor PCBs, is it connected good. 1.Is the +5 voltage in outdoor main board? Power Board: CN4, Red wire and yellow (GND) Outdoor main PCB: CZ1 2.Is the +3.3v voltage in outdoor main board? Power Board: CN1, Purple wire and yellow (GND)
- Page 24 Outdoor unit display LED STATUS Compressor top protection against temperature Off: 105c; On: 90c The trouble shooting is same with the one of indoor unit P2 protection. Outdoor unit display LED STATUS Compressor current protection Check the resistance of compressor, normally U and V is 1 ohm U and W is 1 ohm V and W is 1ohm...
- Page 25 Are the U,V,W connected to compressor and inverter module right? Repair connector Replace the outdoor power board If the problem comes to again, check wingding resistance of inverter compressor, is it 1 ohm? Replace inverter compressor Outdoor unit display LED STATUS P4(LED flashes for nine times) Compressor drive malfunction module protection arose Are the U,V,W connected to compressor and inverter module...
- Page 26 Outdoor unit display LED STATUS Condenser high-temperature protection When outdoor pipe temp. is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52°C. Is the outdoor pipe temp. more than 65°C ? Is the outdoor pipe temp sensor right according to the annex 1 Replace the outdoor main board Replace the outdoor pipe temp sensor...
- Page 27 Outdoor unit display LED STATUS PFC module protection Check the voltage of power supply, if the voltage is about 220V, turn off the power supply and turn it on again after 1 minute Does the unit work normally ? Check whether the power supply of bridge Replace the rectifiers input port is...
- Page 28 Annex 1 Characteristic of temp. sensor Temp. Resistance K Temp. Resistance K Temp. Resistance K 62.2756 14.6181 4.3874 58.7079 13.918 4.2126 56.3694 13.2631 4.0459 52.2438 12.6431 3.8867 49.3161 12.0561 3.7348 46.5725 11.5 3.5896 10.9731 3.451 41.5878 10.4736 3.3185 39.8239 3.1918 37.1988 9.5507 3.0707...
- Page 29 35.2024 9.1245 2.959 33.3269 8.7198 2.8442 31.5635 8.3357 2.7382 29.9058 7.9708 2.6368 28.3459 7.6241 2.5397 26.8778 7.2946 2.4468 25.4954 6.9814 2.3577 24.1932 6.6835 2.2725 22.5662 6.4002 2.1907 21.8094 6.1306 2.1124 20.7184 5.8736 2.0373 19.6891 5.6296 1.9653 18.7177 5.3969 1.8963 17.8005 5.1752 1.830 16.9341...
- Page 30 Annex 2 1. Reference voltage data: Rectifier : Input :220-230V(AC), output :310V(DC) Inverter module: U,V, W 3ph. Result 60-150V(AC) 60-150V(AC) 60-150V(AC) Photo-couple PC817, PC851: Control side <+5V, AC side :< 24V(AC) S terminal and N: changeable from 0-24V 2. Check the Diode Bridge component ( In wiring diagram, rectifier) Remark: If this part is abnormal, the LED will not light.
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