Technical service manual 2009 KSIM MULTI ZONE SERIES
Contents
1. b KSIM40912 H216 3 Refrigeration Cycle Diagram 3 1 Refrigeration circuit drawing of inverter quadplex type Axial flow fan Auxiliary Fitis ut Capillary temp sensor Check Coiltemp Valve sensor Condenser Capillary C Liquid valve A lt Liquid valve B iquid valve C temp seneo temp seneo oa Indoor pipe out rA Indoor pipe out rB Indoor pipe out temp seneor C Liquid valve D Crass flow fan Evaporator Gas valve A Gas valve B Gas valve Outdoor Unit Indoor pipe out 3 2 Refrigeration circuit drawing of inverter trinary type Axial flow fan X Auxiliary Capillary Exhaust Main V temp sensor Capillary Check Condenser Coil temp Valve YY 4 way sensor valve Compressor Outdoor Unit Capillary B apillary Indoor pipe out temp seneor A Indoor pipe out temp seneor B Indoor pipe out temp seneor C 3 3 Refrigeration circuit drawing of inverter binary type temp seneor D Filter A Cox B Filter B 609 Filter Gas valve D Indoor Unit _ Liquid valve A A Liquid valve B Liquid valve C flow fan Evaporator Cross Gas valve Gas valve Gas valve Indoor U2. Display LED STATUS EO EEPROM error E1 Communication error between indoor and outdoor unit E2 Zero crossing examination error E3 Fan speed beyond control E5 Outdoor units temp sensor or connector of temp sensor is defective E6 Indoor units temp sensor or connector of temp sensor is defective PO Inverter module protection P1 Outdoor voltage too low protection P2 Compressor discharge temp protection P3 Outdoor temp too low protection Compressor driving protection 8 3 LED error code display for outdoor unit Display LED STATUS EO EEPROM error E1 No 1 Indoor units pipe temp sensor or connector of pipe temp sensor is defective E2 No 2 Indoor units pipe temp sensor or connector of pipe temp sensor is defective E3 No 3 Indoor units pipe temp sensor or connector of pipe temp sensor is defective E6 No 4 Indoor units pipe temp sensor or connector of pipe temp sensor is defective E4 Outdoor temp sensor or connector of temp sensor is defective E5 Compressor volt protection E7 Communication error between outdoor IC and DSP PO Compressor discharge temp protection P1 High pressure protection just for 36K 1x4 units P2 Low pressure protection just for 36K 1x4 units P3 Compressor current protection P4 Inverter module protection P5 Outdoor temp too low protection P6 Condenser high temperature protection P7 Compresso
3. P6 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 Annex 1 Characteristic of temp sensor Temp Resistance KO Temp Resistance KO Temp Resistance KO 10 62 2756 17 14 6181 44 4 3874 9 58 7079 18 13 918 45 4 2126 8 56 3694 19 13 2631 46 4 0459 7 52 2438 20 12 6431 47 3 8867 6 49 3161 21 12 0561 48 3 7348 5 46 5725 22 11 5 49 3 5896 4 44 23 10 9731 50 3 451 3 41 5878 24 10 4736 51 3 3185 2 39 8239 25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26 8778 32 7 2946 59 2 4468 6 25 4954 33 6 9814 60 2 3577 7 24 1932 34 6 6835 61 2 2725 8 22 5662 35 6 4002 62 2 1907 9 21 8094 36 6 1306 63 2 1124 10 20 7184 37 5 8736 64 2 0373 11 19 6891 38 5 6296 65 1 9653 12 18 7177 39 5 3969 66 1 8963 13 17 8005 40 5 1752 67 1 830 14 16 9341 41 4 9639 68 1 7665 15 16 1156 42 4 7625 69 1 7055 16 15 3418 43 4 5705 70 1 6469 Annex 2 1 Reference voltage data a Rectifier Input 208 230V AC output 310V DC b Inverter module U V W 3ph Result U V 60 150V AC U W 60 150V AC V W 60 150V AC P N DC 310V c Photo couple P
4. 4 4 Outdoor unit display LED STATUS E1 No 1 Indoor units pipe temp sensor or connector of pipe temp sensor is defective Outdoor unit display LED STATUS No 2 Indoor units pipe temp sensor or connector of pipe temp sensor is E2 defective Outdoor unit display LED STATUS No 3 Indoor units pipe temp sensor or connector of pipe temp sensor is E3 defective Outdoor unit display LED STATUS No 4 Indoor units pipe temp sensor or connector of pipe temp sensor is E6 defective Outdoor unit display LED STATUS E4 Outdoor units temp sensor or connector of temp sensor is defective Outdoor unit display LED STATUS E5 Compressor volt protection Outdoor unit display LED STATUS E7 outdoor units communication protection Outdoor unit display LED STATUS PO 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 Outdoor unit display LED STATUS P4 Compressor drive malfunction drive protection arose Outdoor unit display LED STATUS PA LED flashes for nine times Compressor drive malfunction module protection arose Outdoor unit display LED STATUS
5. 94 32 32 1 64 17 95 32 5 33 1 5 65 17 5 96 33 34 2 65 17 5 97 33 5 35 2 5 66 18 98 34 36 3 67 18 5 99 34 5 37 3 5 68 19 10 35 40 38 4 69 19 5 11 40 45 39 4 5 70 20 12 45 50 40 5 71 20 5 13 50 55 41 5 5 72 21 14 55 60 42 6 73 21 5 15 60 65 43 6 5 74 22 16 65 70 44 7 75 22 5 45 7 5 75 22 5 46 8 76 23 47 8 5 77 23 5 48 9 78 24 49 9 5 79 24 5 7 4 5Current of outdoor unit Display Corresponding mode 60 8 0A 65 8 5A 70 9 1A 75 9 6A 80 10 1A 85 10 7A 90 11 2A 100 12 3A 110 13 4A 120 14 5A 130 15 6A 140 16 7A 150 17 9A 200 24A 7 4 6 No 1 opening degree of electronic expansion valve Opening degree equals the display data times 8 7 4 7No 2 opening degree of electronic expansion valve Opening degree equals the display data times 8 7 4 8No 3 opening degree of electronic expansion valve Opening degree equals the display data times 8 7 5 Protection 7 5 1 3 minutes delay at restart for compressor 7 5 2 Discharge temperature protection of compressor compressor stops when the temp of discharge is more than 115 and last out 10 s compressor runs when the temp of discharge is less than 90 7 5 3 When AC voltage lt 80V Outdoor Unit stops operation and Outdoor LED displays 5 When AC voltage gt 100V Outdoor Unit resumes operation 7 5 4 Inverter m
6. C817 PC851 Control side lt 5V AC side 24V AC d S terminal and 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 Multi meter Result Forward Resistance Backward Resistance T Infinite Infinite dol 500 ohm Infinite E 500 ohm Infinite KLimaire 7909 N W 54th Street Miami FL 33166 USA Phone 1 305 593 8358 Fax 1 305 593 8212 e mail sales klimaire com www klimaire com
7. KLimaire MULTI SPLIT TYPE HEAT PUMP AIR CONDITIONERS Technical service manual 2009 KSIM MULTI ZONE SERIES R410A DC Inverter multi Series Models KSIM20912 H216 KSIM30912 H216 KSIM40912 H216 8 CONTENT Product features Dimensions Refrigeration cycle diagram Operation limits Indoor unit combination Wiring diagram Electric control functions Troubleshooting Annex 1 Characteristic of temp sensor Annex 2 Reference data 1 Product features Operation by remote controller Sensing by room temperature Room temperature control Anti freezing control in cooling Time Delay Safety control Indoor fan speed control Two direction air vane Sleep mode auto control Independent dehumidification Air flow Direction control Auto mode Temp Compensation Tele Remote control Optional Self diag function Anti cold function Auto defrost Auto restart function Flexible wiring connection Outdoor unit Power relay control Low noise air flow system Hydrophilic aluminum fin 4 way valve control Anti rust cabinet Valve protection cover Discharge pipe temperature protect Driving heating at 15 2 Dimensions 2 1 KSIM MULTIZONE Series Indoor unit 9K amp 12K W To L Dimension W H D Mode 9K 795 270 165 12K 845 286 165 2 2 Outdoor unit KSIM20912 H216 KSIM30912 H216
8. PANSIVE VALVE 8 COMPRESSOR VALVE D MAIN BOARD 4 VALVE RECTIFILER2 LL MRS a R1502 6 3 Outdoor unit 3 ZONE ELECTRONIC ELECTRONIC ELECTRONIC EXPANSIVE EXPANSIVE EXPANSIVE m COMPRESSOR VALVE A VALVE 8 VALVE E BLACK 1 gt TOC 5 0125 C RED d Ju we mo 8 VALVE A VALE B VALVEC CN21 YELLOW t E IPM RUE Jaen B RED 4 WAYS VALVE MAIN BOARD DD RECT IFILER2 RECTIFILERIE LRE 5 1112601712 5 JS f 5 TERRE Oo RIGIS amp tong de 8 TE cs me J I D JE en 1d RD 1325 RED 5 2 7 ra LUE BLACK AE Ln OPT IONA HEATER 6 4 Outdoor unit 4 ZONE ELECTRONIC ELECTRONIC ELECTRONIC ELECTRONIC EXPANSIVE EXPANSIVE EXPANSIVE EXPANSIVE C VA COMPRESSOR VALVE A VALVE B VALVE C VALVE D COMPRESSOR TEMP PRO a S Sl RECTIFILER2 FAN CAPACITOR OPTIONAL HEATER 7 Electronic control function 7 1 Electric Control working environment 7 1 1 Input voltage 175 253V 7 1 2 Input power frequency 50Hz 7 1 3 Indoor fan normal working amp is less than 1A 7 1 4 Outdoor fan Normal working amp is less than 1 5A 7 1 5 Four way valve normal working amp is less than 1A 7 1 6 Swin
9. S The temp can be adjusted between 17 30 C by remote controller TA TS Operation mode TA TS gt 1 Cooling 1 STA TSS 1 Fan only TA TS lt 1 Heating 7 12Manual switch 7 12 1Mode changes when push this button Cooing mode Auto mode Unit off gt Cooing mode 7 12 2At Cooing mode after 30 minutes cooling operation whose fan speed is set as low the A C operates with a setting temp of 24 7 12 3At auto mode the A C operates with a set temp of 24 7 13Timer Function 7 13 1The maximum length of timer is 24 hours 7 13 2Timer on the A C will be automatically on at the set time 7 13 3Timer off the A C will be automatically off at the set time 7 13 4Timer on off function if Timer on amp Timer off functions have been set at the same time the A C will act on which the timer achieves earlier 7 14Sleep mode 7 14 1It is available at cooling heating or auto mode 7 14 2 Cooling The set temperature rise 1 per hour Two hours later the set temperature will maintain as a constant and the fan speed is kept at low speed 7 14 3 Heating The set temperature decrease 1 per hour Two hours later the set temperature will maintain as a constant and the air circulation is kept at low speed Cold air proof function takes precedence over all 7 14 4 Auto The Sleep Mode running function operates in accordance with selected running mode by auto mode 7 14 5 After 7 hours unit cancels this mode automatically and the un
10. door exchanger temp T lt 34 Off up 34 lt T lt 37 Breeze 37 lt T lt 44 Low speed T gt 44 Setting fan speed Indoor exchanger temp T gt 38 Setting fan speed down 33 lt T lt 38 Low speed 24 lt T lt 33 Breeze T lt 24 Off 7 9 2Auto wind at heating mode Condition Indoor fan speed T Indoor Temp Setting Temp Room temp up T lt 1 5 High 1 5 lt lt 2 5 Mid T gt 2 5 Low Room temp down T lt 1 0 High 1 0 lt T lt 2 0 Mid T gt 2 0 Low 7 9 3Indoor evaporator high temperature protection at heating mode Condition Compressor T Indoor exchanger temp T gt 63 Off T lt 48 On Defrosting operation Available for heating only 7 10 Defrost 7 10 1Defrosting condition The temperature of outdoor heat exchanger remains consecutively lower than 2 c for more than 40 minutes 7 10 2Ending condition of defrosting If one of following conditions is satisfied end the defrost and turn into heating mode a The defrost time has reached to 10 minutes b When the temperature of outdoor heat exchanger rises up to 15 C 7 10 3Defrosting Actions a Compressor runs b 4 way valve switches off c Outdoor fan switches off d Indoor fan running according to anti cold wind function in heating mode 7 11 Automatic operation mode The air conditioner automatically selects one of the following operation modes cooling heating or fan only according to the temp difference between room temp TA and set temp T
11. g motor DC12V 7 2 Icon explanation on indoor display board cL Ho xt i NY AE ree us OPERRATION indicator This indicator flashes after power is on and illuminates when the unit is in operation AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation TIMER indicator This indicator illuminates when TIMER is set ON OFF IONIZER CLEAN AIR indication lamp Lights up when CLEAN AIR feature is activated and lonizer can generate abundant anions to fill the room with refreshing and natural air PRE DEF indicator This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode TURBO indication lamp Lights up when select TURBO function on cooling operation or on heating operation FREQUENCY indicator This indicator appears only when the compressor is in operation and indicates the current operating frequency TEMPERATURE indicator Usually it displays the temperature settings When change the setting temperature this indicator begins to flash and stops 20 seconds later It displays the room temperature when the air conditioner is in FAN only operation When the unit stops operation it returns to original factory settings The temperature indicator area will display SC when the self clean function is started It also displays the malfunction code or protection code FAN SPEED indicatio
12. ion When the outdoor temperature is lower than 3 and the compressor stops operation the compressor enters into pre heating condition When outdoor temp is more than 5 or user operate it pre heating condition will finish 7 6 Fan only mode Fan speed is high mid low Auto 7 7 Cooling mode 7 7 1 Indoor fan keeps running fan speed can be set in high mid low Auto 7 7 2Auto fan at cooling mode T Indoor Temp Setting Temp Condition Indoor fan speed Room temp up T 1 5 Low 1 5 T 3 5 Mid T gt 3 5 High Room temp down T gt 3 High 1 lt T lt 3 Mid T lt 1 Low 7 7 3Anti freezing control to indoor evaporator at cooling mode T evaporator temp Evaporator Temp Compressor T 4 Off T gt 8 On 7 8 Dehumidifying mode 7 8 1the indoor fan is fixed in low speed 7 8 2Low room temperature protection When room temperature decreases to below 10 indoor fan stop when room temperature restores to over 12 indoor fan start 7 8 3At dehumidifying mode the anti freezing function of the indoor heat exchanger is the same as that of cooling mode 7 9Heating mode 7 9 1Indoor Fan actions at heating mode Indoor Fan can be set at HIGH MID LOW AUTO by using a remote controller but Anti cold wind function prevails Anti cold wind control function at heating mode Condition Indoor fan speed T Indoor exchanger temp In
13. it turns off 7 14 6 Auto restart function In case of a sudden power failure this function automatically sets the unit to previous settings before the power failure when power returns 7 15 Mode conflict The indoor units can not work cooling mode and heating at same time Heating mode has a priority 7 15 1Definition Cooling mode Heating Mode Fan Off Cooling mode No Yes No No Heating Mode Yes No Yes No Fan No Yes No No Off No No No No No No mode conflict Yes Mode conflict 7 15 2 Unit action e In case of one Indoor unit working in cooling mode or fan mode and another indoor unit is set to heating mode the indoor unit working in cooling mode or fan mode will change to stand by The outdoor unit will work in heating mode e In case of one Indoor unit working in heating mode and another indoor unit is set to cooling mode or fan mode the indoor unit setting to cooling mode or fan mode will change to stand by 8 Troubleshooting 8 1 Safety Because of there are capacitors in PCB and relative circuit in outdoor unit even shut down the power supply electricity power still are kept in capacitors do not forget to discharge the electricity power in capacitor The value of resistance is about 1500 ohms to 2000 ohms Resistance The voltage in P3 and P4 in outdoor PCB is high voltage about 310V The voltage in P6 in outdoor PCB is high voltage about 310V 8 2 Troubleshooting for indoor unit
14. n lamp Displays the selected fan speed AUTO nothing and three fan speed levels LOW MED and HIGH LED display control function Pressing LED display button on remote controller will turn off all displays on indoor unit while pressing once again all displays will resume 7 3 Outdoor unit s digital display tube There is a digital display tube in outdoor PCB 7 3 1 Digital display tube display function Instandby The LED displays e n compressor operation the LED display the frequency e n defrosting mode The LED displays the frequency or dF each other for 2 seconds e n compressor pre heating The LED displays e n protection or malfunction the LED displays error code or protection code 7 4 Outdoor unit point check function There is a check switch in outdoor PCB Push the switch SW1 to check the states of unit when the unit is running The digital display tube will display the follow procedure when push SW1 each time Display Remark 1 Indoor unit capacity demand code 2 Outdoor unit running mode code Off 0 Cooling 1 Heating 2 3 Amendatory capacity demand code 4 Outdoor unit fan motor state Off 0 Low speed 1 High speed 2 5 Evaporator outlet temp for 1 indoor unit Actual data 6 Evaporator outlet temp for 2 indoor unit Actual data 7 Evaporator outlet temp for 3 indoor unit Actual data 8 Evaporator outlet temp for 4 indoor unit Actual data 9 Conde
15. nit Axial flow fan EXVA Auxiliary Filter A Liquid valve Exhaust Main Capillary temp sensor Capillary Capillary V EXVB a gt Filter B Liquid valve B 4 way sensor Capillary B E 5 valve S i Gas valve Compressor Indoor pipe out temp seneor B Gas valve B Outdoor Unit Indoor Unit 4 Temperature Operation range Godin mode Indoor temperature 217 9 Outdoor temperature 0 50 mode Indoor temperature lt 30 9 Outdoor temperature 15 24 Dy made Indoor temperature 10 y Outdoor temperature 0 43 5 Indoor units combination 5 1 Indoor unit combination for KSIM20912 H216 Oneunt Twount 9 949 9412 12 5 2 Indoor unit combination for KSIM30912 H216 One unit Two unit Three unit 9 949 9412 94949 949412 12 12 12 5 3 Indoor unit combination for KSIM40912 H216 One unit Two unit Three unit Four unit 9 949 942 94949 949412 9494949 94949412 949424322 12 12412 942422 124224312 6 Wiring Diagram 6 1 Indoor unit 9k 12k INDOOR WIRING DIAGRAM INDOOR FAN MOTOR r o OPTIONAL PLUMB STEP MOTOR DOOR STEP MOTOR TRANSFORMER SWITCH BOARD DISPLAY BOARD Notes ne This symbol indicates the element is optional the actual shape shall be prevail 6 2 Outdoor unit 2 ZONE ELECTRONIC ELECTRONIC EXPANSIVE EX
16. nser pipe temp Actual data 10 Ambient temp Actual data 11 Compressor discharge temp Actual data 12 Inverter current Actual data 13 EXV open angle for 1 indoor unit Actual datax8 14 EXV open angle for 2 indoor unit Actual datax8 15 EXV open angle for 3 indoor unit Actual datax8 16 EXV open angle for 4 indoor unit Actual datax8 17 Outdoor unit DC Voltage AD 472 255 Actual Voltage 18 Indoor unit number The indoor unit can communicate with outdoor unit well 19 The last error or protection code 00 means no malfunction 20 The Compressor s running frequency 29 Check point over 7 4 1 Frequency of compressor Display Frequency of compressor Hz 30 30 Stand by 60 60 7 4 2 Running mode Display Corresponding mode 0 Off 1 Cooling mode 2 Heating mode 7 4 3Number of indoor unit Display Number of indoor unit 1 1 2 2 3 3 7 4 4Outdoor ambient temp Corresponding Corresponding Display Corresponding temp Display Display temp temp 15 7 5 50 10 80 25 16 7 51 10 5 81 25 5 17 6 5 52 11 82 26 18 6 53 11 5 83 26 5 19 5 5 53 11 5 84 27 20 5 54 12 85 27 5 21 4 5 55 12 5 86 28 22 4 56 13 87 28 5 23 3 5 57 13 5 88 29 24 3 58 14 89 29 5 26 2 59 14 5 90 30 27 1 5 60 15 91 30 5 28 1 61 15 5 92 31 29 0 5 62 16 93 31 5 30 0 63 16 5 93 31 5 31 0 5 63 16 5
17. odule Protection Inverter module Protection itself has a protection function against current voltage and temperature and Indoor LED displays PO 7 5 5 Sensor protection at open circuit and breaking disconnection 7 5 6 Fan Speed is out of control When Indoor Fan Speed is too high higher than High Fan 300RPM or too low lower than 400RPM the unit stops and Indoor LED displays and can t return to normal operation automatically 7 5 7 Cross Zero signal error warning For If there is no Cross Zero signals in 4 minutes the unit stops and Indoor LED displays E2 and can t return to normal operation automatically 7 5 8 Current protection when the current is more than X A the compressor stops and Outdoor LED diaplays P3 for 30 seconds and the unit will restart after 3 minutes X is 12 5A for 18K 1x2 unit is 14 5A for 27K 1x3 unit and is 20A for 36K 1x4 unit 7 5 9 Outdoor condenser high temperature protection Under cooling mode if T3265 for 3 seconds the compressor will stop When T3 52 the protection is not valid And the unit will restart after 3 minutes 7 5 10 Pressure protection just be available for 36K 1x4 unit If low pressure is lower 21Psig the compressor will stop and when low pressure is higher than 44Psig the compressor will restart If high pressure is higher than 630Psig the compressor will stop and when high pressure is lower than 460Psig the compressor will restart 7 5 11 Compressor pre heating funct
18. r driving protection PF PFC protection 8 4 Troubleshooting 8 4 1 Indoor unit trouble shooting Indoor unit display LED STATUS EO EEPROM error Oooo ml Indoor unit display LED STATUS E1 outdoor communication error Indoor unit display LED STATUS E2 Indoor unit display Zero crossing examination error NO LED STATUS E3 Fan speed beyond control Indoor unit display LED STATUS E5 Outdoor units temp sensor or connector of temp sensor is defective Indoor unit display LED STATUS E6 Indoor units temp sensor or connector of temp sensor is defective Indoor unit display LED STATUS PO Inverter module protection ALI YES YES YES YES YES re tri u YES Indoor unit display LED STATUS P1 Outdoor voltage protection YES Replace the outdoor e box _ Indoor unit display LED STATUS P2 Compressor top protection against temperature Indoor unit display LED STATUS P3 Compressor current protection The trouble shooting is same with one of outdoor unit P3 protection 8 4 1 Outdoor unit trouble shooting Outdoor unit display LED STATUS EO EEPROM error
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