KSIH MINI- Split Hyper DC Inverter Air Conditioner SERVICE MANUAL Model Numbers: KSIH009-H225-IW KSIH012-H222-IW KSIH018-H220-IW KSIH024-H220-IW Table of Contents Precaution Part Names And Functions Dimension Refrigerant Cycle Diagram Wiring Diagram Installation Details Operation Characteristics Electronic Function Troubleshooting 10. Disassembly Instructions...
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CONTENTS 1. Precaution ..............................1 1.1 Safety Precaution ........................1 1.2 Warning ............................ 1 2. Part Names And Functions ........................4 2.1 Model Names of Indoor/Outdoor units ..................4 2.2 Part names of Indoor/Outdoor units ..................5 3. Dimension ..............................6 3.1 Indoor Unit ..........................
Sharp edges could cause injury, be especially careful of the case edges and the 1. Precaution fins on the condenser and evaporator. ◼ For installation, always contact the 1.1 Safety Precaution dealer or an authorized service center. ◼ To prevent injury to the user or other ◼...
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There is risk of electric shock or fire. ◼ Keep level even when installing the ◼ Stop operation and close the window product. in storm or hurricane. If possible, remove It can avoid vibration of water leakage. the product from the window before the ◼...
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◼ Do not drink the water drained from the product. ◼ Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury. ◼ Replace the all batteries in the remote control with new ones of the same type.
2. Part Names and Functions 2.1 Model Names of Indoor/Outdoor units Outdoor units Series Capacity Indoor units KSIH009-H225-O KSIH009-H225-IW KSIH012-H222-IW KSIH012-H222-O Inverter KSIH018-H220-O KSIH018-H220-IW KSIH024-H220-O KSIH024-H220-IW...
3. Dimension 3.1 Indoor Unit Model KSIH009-H225-IW 32.9 in (835 mm) 7.8 in (198 mm) 11.0 in (280 mm) KSIH012-H222-IW 39.0 in (990 mm) 8.6 in (218 mm) 12.4 in (315 mm) KSIH018-H220-IW KSIH024-H220-IW 46.7 in (1186 mm) 10.2 in (258 mm)
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For KSIH009-H225-IW For KSIH012-H222-IW, KSIH018-H220-IW For KSIH024-H220-IW...
3.2 Outdoor Unit More than 30cm(11.8in) More than 60cm(23.6in) (Service space) More than 30cm(11.8in) More than 60cm(23.6in) More than 70cm(27.6in) Note: The above drawing is only for reference. The appearance of your units may be different. W in D in W1 in A in B in...
1. Air purging with vacuum pump valve. 6.5 Adding the refrigerant after running the system for many years 1) Completely tighten the flare nuts of the Procedure indoor and outdoor units, confirm that both 1). Connect the charge hose to the 3-way the 2-way and 3-way valves are set to the service port, open the 2-way valve and the 3- closed position.
6.6 Re-installation while the indoor 2.Air purging with vacuum pump unit need to be repaired 1. Collecting the refrigerant into the outdoor unit 1) Completely tighten the flare nuts of the Procedure indoor and outdoor units, confirm that both the 1).
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and securely tighten the cap of the 3-way valve. Connect the charge hose which you disconnected from the vacuum pump to the 6.7 Re-installation while the outdoor valve at the bottom of the cylinder. If the unit need to be repaired refrigerant is R410A, make the cylinder bottom 1.
7. Operation Characteristics Temperature Cooling operation Heating operation Drying operation Mode 17℃~32℃ 0℃~30℃ 10℃~32℃ Room temperature (62℉~90℉) (32℉~86℉) (50℉~90℉) Outdoor temperature KSIH009-H225-IW °C °C °C °C °C °C ~50 ~30 ~50 KSIH012-H222-IW °F ~122 °F °F ~86 °F °F ~122 °F...
8. Electronic Function 8.1 Abbreviation T1: Indoor room temperature T2: Coil temperature of evaporator T3: Coil temperature of condenser T4: Outdoor ambient temperature TP: Compressor discharge temperature 8.2 Display function 8.2.1 Icon explanation on indoor display board. ION indication lamp (optional function) :This lamp illuminates when Clean Air feature is activated.
function. 8.3 Main Protection 8.3.7 Compressor preheating functions 8.3.1 Three minutes delay at restart for Preheating permitting condition: compressor When T4(outdoor ambient temperature) <3°C Less than 1-minute delay for the 1 time stand- (37.4°F), the preheating function will be up and 3 minutes delay for others. activated 8.3.2 Temperature protection of compressor 8.3.8 Zero crossing detection error...
8.4 Operation Modes and Functions the speed can be selected as high, medium, low and auto. 8.4.1 Fan mode When the setting temp. is reached, if the (1) Outdoor fan and compressor stop. compressor stops running, indoor fan motor will (2) Temperature setting function is disabled, and run in Minimum speed or setting speed.
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When the AC run in mute mode, the compressor T1-Td+¦ ¤ T will run with low frequency. When the current is more than setting value, the current protection function will be activated and the compressor will stop. 8.4.3.2 Outdoor fan running rules The outdoor unit will be run at different fan speed according to T4.
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off the machine. T1-Ts 8.4.6.2 In forced operation mode, all general protections and remote control are available. Cooling 8.4.6.3 Operation rules: Forced cooling mode: Fan only The compressor runs at F2 frequency and indoor fan runs as breeze. After running for 30 minutes. Heating* the machine will turn to auto mode as 24°C Heating*: For cooling only models, they will run at...
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8.4.10 Point check function Press the LED DISPLAY or LED or MUTE button of the remote controller three times, and then press the AIR DIRECTION or SWING button three times in ten seconds, the buzzer will keep ring for two seconds. The air conditioner will enter into the information enquiry status.
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Enquiry Display value Meaning Remark information T1, T2, T3, -1F,-1E,-1d,-1c,- -25,-24,-23,-22,-21,- 1. All the displaying temperature is actual T4, T2B, TP, 1b,-1A value. TH, Targeted 2. All the temperature is °C no matter -19—99 -19—99 Frequency, what kind of remote controller is used. A0,A1,…A9 100,101,…109 Actual...
9. Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity power in capacitor. Electrolytic Capacitors (HIGH VOLTAGE! CAUTION!) For other models, please connect discharge resistance (approx.100Ω 40W) or soldering iron (plug) between +, - terminals of the electrolytic capacitor on the contrary side of the outdoor PCB.
9.1 Indoor Unit Error Display Operation Timer lamp Display LED STATUS lamp ☆ 1 time Indoor unit EEPROM parameter error ☆ 2 times Indoor / outdoor units communication error ☆ 3 times Zero-crossing signal detection error ☆ 4 times Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or ☆...
9.2 Outdoor unit error display For KSIH009-H225-O, KSIH012-H222-O, KSIH018-H220-O 290-330VDC standby 210-300VDC running connect to the DR module bridge connect to reactance connect to earth fuse 250V 30A [ V1. 8] 2015- 01- 16 C N 22 CN 6 R141 CN 6- 1 C N 3 BR 1...
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For KSIH024-H220-O Connect to the Indoor evap.pipe out temp. sensor T2B-A、T2B-B、T2B-C、T2B-D、T2B-E external drive DC fan 6 5 4 3 2 1 motor connector Electric Expansion Electric Expansion Electric Expansion Electric Expansion Electric Expansion testPort external drive DC fan external drive DC fan Value C Value E communication...
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IPM board connect to DC fan motor TO M AI N 0VAC ( st andby) C N 19 C N 55 10- 200VAC ( r unni ng) EU - KFR 105W / BP2T3N 1- 350( 767) . D . 13. M P2- 1 202302141237 I PM 2 C N 57...
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9.3 Diagnosis and Solution 9.3.1 EEPROM parameter error diagnosis and solution(E0/F4) E0/F4 Error Code Malfunction decision Indoor or outdoor PCB main chip does not receive feedback from conditions EEPROM chip. Supposed causes Installation mistake ● PCB faulty ● Trouble shooting: Power off, then restart the unit 2 minutes later.
9.3.2 Indoor / outdoor unit’s communication diagnosis and solution(E1) Error Code Malfunction decision Indoor unit does not receive the feedback from outdoor unit during 110 conditions seconds and this condition happens four times continuously. Supposed causes Wiring mistake ● Indoor or outdoor PCB faulty ●...
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Remark: Use a multimeter to test the DC voltage between 2 port and 3 port of outdoor unit. The red pin of multimeter connects with 2 port while the black pin is for 3 port. When AC is normal running, the voltage will move alternately between -25V to 25V.
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9.3.3 Zero crossing detection error diagnosis and solution (E2) Error Code Malfunction decision When PCB does not receive zero crossing signal feedback for 4 conditions minutes or the zero-crossing signal time interval is abnormal. Supposed causes Connection mistake ● PCB faulty ●...
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9.3.4 Fan speed has been out of control diagnosis and solution(E3) E3/F5 Error Code Malfunction decision When indoor fan speed keeps too low (300RPM) for certain time, the conditions unit will stop and the LED will display the failure. Supposed causes Wiring mistake ●...
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Index 1: 1: Indoor or Outdoor DC Fan Motor (control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced.
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9.3.5 Open circuit or short circuit of temperature sensor diagnosis and solution (E5) E4/E5/F1/F2/F3 Error Code Malfunction decision If the sampling voltage is lower than 0.06V or higher than 4.94V, the conditions LED will display the failure. Supposed causes Wiring mistake ●...
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9.3.6 Refrigerant Leakage Detection diagnosis and solution (EC) Error Code Malfunction decision Define the evaporator coil temp. T2 of the compressor just starts conditions running as Tcool. In the beginning 5 minutes after the compressor starts up, if T2 < °C( °F) Tcool-2...
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9.3.6 Overload current protection diagnosis and solution(F0) Error Code Malfunction decision An abnormal current rise is detected by checking the specified conditions current detection circuit. Supposed causes Power supply problems. ● System blockage ● PCB faulty ● Wiring mistake ● Compressor malfunction ●...
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9.3.7 IPM malfunction or IGBT over-strong current protection diagnosis and solution (P0) Error Code Malfunction decision When the voltage signal that IPM send to compressor drive chip is abnormal, the display LED will show “P0” and AC will turn off. conditions Supposed causes Wiring mistake...
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For example: Note: The photos below are only for reference, it’s may be not same totally with the ones on your side.
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For 24K: At first test the resistance between every two ports of U, V, W of IPM and P, N. If any result of them is 0 or close to 0, the IPM is defective. Otherwise, please follow the procedure below: Check whether the power voltage Restart the unit when the power supply Check whether the power voltage...
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9.3.8 Over voltage or too low voltage protection diagnosis and solution (P1) Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit. Supposed causes Power supply problems. ● System leakage or block ●...
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9.3.9 High temperature protection of IPM module diagnosis and solution (P2) Error Code Malfunction decision If the sampling voltage is not 5V, the LED will display the failure. conditions Supposed causes PCB faulty ● Trouble shooting: Check if the fastening screws Check if the fastening screws on the PCB and IPM radiator on the PCB and IPM radiator...
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9.3.10 Inverter compressor drive error diagnosis and solution (P4) Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Supposed causes Wiring mistake ●...
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IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+) Red (-) Black...
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For 24K: At first test the resistance between every two ports of U, V, W of IPM and P, N. If any result of them is 0 or close to 0, the IPM is defective. Otherwise, please follow the procedure below: Check whether the power voltage Restart the unit when the power supply Check whether the power voltage...
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9.3.11 Low pressure protection diagnosis and solution(P6) Error Code Malfunction decision When the pressure of system reaches a certain value, the low- conditions pressure protector will switch off. After the pressure resume to normal, the protection code will disappear. Supposed causes Wiring mistake ●...
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Main parts check 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(TP) sensor. Measure the resistance value of each winding by using the multi-meter.
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Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4 (°C--K) °C °F °C °F °C °F °C °F K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865...
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Appendix 2 Temperature Sensor Resistance Value Table for TP (°C --K) °C °F °C °F °C °F °C °F K Ohm K Ohm K Ohm K Ohm 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5...
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Appendix 3: °C °F °C °F °C °F °C °F °C °F 69.8 123.8 179.6 235.4 71.6 125.6 181.4 237.2 24.8 73.4 127.4 183.2 26.6 75.2 129.2 240.8 28.4 186.8 242.6 30.2 25.5 77.9 132.8 188.6 244.4 78.8 134.6 190.4 246.2 32.9 80.6...
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Appendix 4 Normal voltage of P and N 208-240V (1-phase, 3-phase) 380-420V (3-phase) In standby around 310VDC around 530VDC In operation With partial With fully With passive active PFC active PFC PFC module module module >200VDC >310VDC >370VDC >450VDC...
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2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value ASM98D32UFZ ATM115D43UFZ2 ATM150D23UFZ ATF235D22UMT ATF250D22UMT Blue – 2.25Ω 1.87Ω 1.72Ω 0.75Ω 0.75Ω Blue - (20°C (20°C (20°C (20°C (20°C Black /68°F) /68°F) /68°F) /68°F) /68°F) Red –...
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3. IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+) Red...
10 Disassembly Instructions Note: This part is for reference, the photos may have slight difference with your machine. 10.1 Indoor unit Parts name Procedures Remarks Front panel How to remove the front Overview: panel. Pull the below side of One screw Panel the panel and release the fixing the cover...
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Electrical How to remove the Room temp. parts electrical parts. sensor Grounding screws After remove the front panel from Swing motor procedure 1, pull out the room temp. sensor and evaporator coil sensor. Remove the grounding screws. Pull out the clip toward the left side and open the cover.
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Evaporator remove evaporator. 1) After remove the front panel assembly and electrical parts following procedure 1 and procedure 2, remove the pipe holder at the rear side of the unit. 2) Remove the two screws on the evaporator at the base bearing side. 3) Remove two screws on the evaporator at the fixed plates and then lift...
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Fan and How to remove the fan motor and motor. After remove the evaporator assembly following procedure 1, procedure 2 and procedure 3, remove the three screws fixing the cover Remove the screw fixing the motor and then pull out the motor. Three screws One screw...
10.2 Outdoor unit KSIH009-H225-O, KSIH012-H222-O Part name Procedures Remarks Panel plate How to remove the panel plate. Screws of top panel (3 screws, 1 screw is under the big handler) 1) Stop operation of the air conditioner and 3 screws turn “OFF”...
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Fan assembly How to remove the fan ○ assembly. 1) After remove the panel plate following procedure 1, remove the hex nut fixing the fan and then remove ○ the fan. 2) Unfix the hooks and compressor T3,T4,T5 sensor then open the electronic control box cover.
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3) Disconnect the ○ connector for fan motor from the electronic control board. ○ 4) Remove the four fixing screws of the fan motor. Then remove the fan motor. Electrical How to remove the parts ○ electrical parts. 1) After finish work of item 1 and item 2, remove the connectors for the compressor.
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3) Pull out connectors of ○ the condenser coil temp. sensor(T3), outdoor ambient temp. sensor (T4) and discharge temp. sensor (TP). 4) disconnect the ○ electronic expansion valve wire 5) Remove the grounding screw. ○ ○ 6) Remove the wires (1,2,3) then remove the electronic control box.
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Four-way How to remove the four- valve The picture of four-way valve may be different from way valve. the one on your side. ○ ○ 1) Perform work of Item 1,3. 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
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KSIH018-H220-O Part name Procedures Remarks Panel plate How to remove the panel plate. 1) Stop operation of 3 screws of top panel the air conditioner and turn “OFF” the power 3 screws of breaker. big handle 2) Remove the top panel (3 screws).
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Fan assembly How to remove the fan ○ assembly. 1) After remove the panel plate following procedure 1, remove the hex nut fixing the fan and then remove the fan. ○ 2) After remove the top cover. Unfix the hooks and then open the electronic control box cover.
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3) Disconnect the ○ connector for fan motor from the electronic control board. 4) Remove the four fixing ○ screws of the fan motor. Then remove the fan motor. Electrical How to remove the parts ○ electrical parts. 1) After finish work of item 1 and item 2, remove the connectors for the compressor and reactor.
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○ 2) Pull out the two blue wires connected with the four-way valve. ○, ○ 3) Pull out connectors of the condenser coil temp. sensor(T3), outdoor ambient temp. sensor(T4) and discharge temp. sensor (TP). ○ 4) disconnect the electronic expansion valve wire...
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○ 5) remove the electric heaters. 6) Remove the grounding screw. 7) Remove the Wires (1,2,3 or L1, L2, S). Then remove the electronic control box. ⑥ ○...
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Four-way How to remove the four- valve The picture of four-way valve may be different from way valve. the one on your side. 1) Perform work of ④ ○ Item 1, 3. 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
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KSIH024-H220-O Part name Procedures Remarks Panel plate How to remove the panel 4 screws of big handle plate. Screws of top panel(3screws,1screws is under the big handle) 1) Stop operation of the air conditioner and turn “OFF” the power breaker. 2) Remove the big handle Screws of front panel(11 screws) first, then remove the top...
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Fan assembly How to remove the fan assembly. Electronic control box 1) After remove the panel plate following procedure compressor ○ 2) Remove the nut fixing the fan and remove the fan. ○ 3) Unfix the hooks and remove the screws, then open the electronic control box cover.
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Compressor T3,T4,T5,sensor Pressure switch wire ○, Motor wire Electronic expansion 4 way valve 4) Disconnect the ○ connector for fan motor from the electronic control board. 5) Remove the four fixing screws of the fan motor, ○ then remove the motor.
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Electrical How to remove the parts ○ electrical parts. 1) After finish work of item 1 and item 2, remove the connector for the compressor ○ 2) Pull out the two blue wires connected with the four-way valve. 3) Pull out connectors of ○...
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4)Disconnect the pressure switch connector. ○, 5) Disconnect the electronic expansion valve ○ wire from the control board ○ ○ 6) Remove the ground wires. 7) Remove the wires (1, 2, 3 or L1, L2, S). Then remove the electronic control box.
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Four-way How to remove the four- valve The picture of four-way valve may be different from way valve. the one on your side. 1) Perform work of item 1,3. 2) Recover refrigerant from the refrigerant circuit. 3) Remove the screw of the coil and then remove the coil.
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The Klimaire logo is a registered Trademark of Klimaire Products inc. Copyright 2018 Klimaire Products inc. 2190 NW 89 Place, Doral, FL 33172 - USA Tel: (305)594-4972 Fax (305) 499 4378 www.klimaire.com sales@klimaire.com The design and specifications are subject to change without prior notice for product...
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