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1. Unit CS G90KE CU G90KE Unit 5 90 CU G90KE Unit CS G120KE CU G120KE kw 2 6 0 88 2 90 Heat Description Evaporator Condenser kw 3 45 1 06 3 85 Cooling Capacity Btu h 8 800 3 000 9 900 Exchanger Tube material Copper Copper Cooling Capacity Btu h 11 700 3 600 13 100 kW 3 6 0 78 4 80 Fin material Aluminium Aluminium kW 4 80 0 98 6 10 Heating Capacity Btu h 12 200 2 600 16 300 Fin Type Slit Fin Corrugated Fin Heating Capacity Btu h 16 300 3 300 20 800 Row i i i Moisture Removal 2 x inveonnghtation forced as fi Moisture Removal E 4 Single 18 15 Single Power Source i D Size WX xL mm 600 x 252 x 25 4 646 2 x 482 6 x 44 Power Source V 54 50 Refrigerant Control Device Capillary Tube Cycle 50 Airflow Method OUTLET SIBE VIEN RT Refrigeration Oil c c 1 ae Airflow Method OUTLET m Refrigerant R 22 g 02 800 28 2 2 INTAKE Thermostat Electronic Control INTAKE Protection Device Electronic Control Se 72 T meum Length mm Cooling 550 Heating 720 7 UE Air Volume Indoor Air Lo m min cfm 4 Capillary Tube E Rate t min Cooling 12 5 Heating 5
2. BL A E R DC R 8 w V W 1 0 W TR W CN QHU CN QHW CN QL r8 12 28 1277977528 COPAOHOR 99 o oo T Hr R P v Y cR w TRANSISTOR 3112 2411 sl ome me NT a Ql a 2 T al a amp ad a a 1 at at Y Ly 39 IV 1 Y 29 Y Iw i B R TRADE MARK COMPRESSOR COMPRESSOR TERMINAL at at 16 CS G90KE Operation Details A FUNCTIONS 1 TEMPERATURE SHIFT Once the operation starts the remote control setting temperature will be shifted internally based on the setting fan speed and outdoor air temperature addition if Sleep Mode or Powerful Mode are set the temperature shift will be carried out Setting of Internal Setting Temperature The internal setting temperature can be decided as follows Remote control setting temperature Outdoor temperature shift refer Table a Fan speed shift refer Table b Any Sleep Mode shift operation Any Powerful Operation shift refer Table c Check upper lower 33 C 16 C limit for setting temperature INTERNAL SETTING TEMPERATURE
3. UO ue e 006 92 162 Ge 62 8782 0782 Ic 0 0 Asoyesedaid UO e e Eig 6L 692 81 ONY e 092 2 9 disuag 9L 11 eine ueJ e ue OJJUOD 9 50 5 e Ugy uoneJedo Ayoyesedaid UO e e 9 2 YL e UO e e N S QISUBS e eve L ue OUOD 0 5 5 e ci e ue ony LE oiny OJJUOD JqISU e 040002 9 qdisuag e N 01 Loe 6 N Lee 8 ugy ue ue Asoyesedaid JWI UO Ajoyesedaid uo e ony 01 041u02 e qisueg e 0 Lec L 041002 9S gisuag e Goo 9 v 0430025 440 desis 041002 1915 10H 01
4. Table a Setting Temperature Shift based on outdoor air temperature i Cooling Soft Dry ii Heating Shift amount Shift amount 38 lt Outdoor air temperature 0 5 C 21 C lt Outdoor air temperature 1 5 30 lt Outdoor air temperature lt 38 C 0 0 C 17 C lt Outdoor air temperature lt 21 C 1 5 23 lt Outdoor air temperature lt 30 0 5 13 C lt Outdoor air temperature lt 17 C 1 0 Outdoor air temperature lt 23 C 1 0 C 9 lt Outdoor air temperature lt 13 1 0 5 C lt Outdoor air temperature lt 9 C 0 0 C 1 C lt Outdoor air temperature lt 5 C 1 0 C 3 lt Outdoor air temperature lt 1 C 1 0 C Outdoor air temperature lt 3 C 1 5 C Table b Setting Temperature Shift based on fan speed Remote control setting fan speed Cooling Dry Heating Lo 2 0 C 1 0 C Auto fan speed 2 0 C 2 5 C 1 0 C Hi 2 0 C 0 5 C Table c Powerful Mode Shift Cooling Dry Heating Powerful 4 0 C 3 0 6 0 CS G90KE Operation Details 2 COOLING OPERATION A Room Temperaiure Control i When the remote control setting temperature is less than 24 C Cooling Compressor Operation Frequency Hz Intake air temp 83 Fc max or 72 83 max or 72 94 Fc max or 78 94 max
5. SYMBOL DESCRIPTION amp NAME PART NO CT CURRENT TRANSFORMER A40260 CAPACITOR 1 5 uF 400V A31487 CWA74984 1 2 uF 400V A31476 CWA74987 D1 D20 DIODE A54RB44 02V D2 D4 D10 DIODE ABAMA165TA5 D3 DIODE A541SS136T D11 014 017 DIODE A54RB43 O2V D12 D13 D15 D16 D18 D19 DIODE A54RB12 O1V 21 D22 023 024 026 DIODE A54RA15 06V3 D25 DIODE A54RA15 10V3 INTERGRATED CIRCUIT A5278214WC26 2 INTERGRATED CIRCUIT 52 8023 IC3 INTERGRATED CIRCUIT 52 2003 IC4 INTERGRATED CIRCUIT A52C050 IC5 P ROM A53506A CWA74984 A53507A CWA74987 LED1 LED A54SLR342DB7 1 PHOTO COUPLER A52LP621 1G4 2 PHOTO COUPLER A52LP621 2G4 PC3 PC8 PHOTO COUPLER A52PC922Y 9 PHOTO COUPLER A52PS2633E 10 PHOTO COUPLER 521 621 1 4 Q1 TRANSISTOR A55C071 Q2 Q3 Q5 Q6 TRANSISTOR A55C1740STPQ Qs TRANSISTOR A55DTA143XST Q9 TRANSISTOR A55DTC143XST R13 R14 RESISTOR 47046 CWA74984 47047 CWA74987 RY FM RY HOT RELAY A00161 RY PWR RELAY A00106 T1 TRANSFORMER A40342 VR1 VARIABLE RESISTOR A44EVMEASB22 RESONATOR A45ST12MTWOT 201 ZENAR DIODE A54D6 2EB1TB 2 2 ZENAR DIODE A54D20EL4TB ZD3 ZENAR DIODE A54D6 8EL1TB ZNR1 ZNR A54C355 Note e All parts are supplied from MACC Malaysia Vendor Code 086 70 Printed in Malaysia P970102900YH
6. piping gt eS ue LSP Gas side piping 3 8 G90KE 1 2 G120KE Vinyl tape Narrow e This illustration is for explanation purposes only The indoor unit will actually face a different way 50 CS G90KE Servicing Information A TROUBLESHOOTING RATED FREQUENCY OPERATION During troubleshooting and servicing rated compressor operating frequency must be obtained in order to check the specification and technical data Below are the methods used to obtain rated compressor operating specification a Cooling i Press the Test Run button on the indoor unit The air conditioner starts operation at Cooling rated frequency TEST RUN BUTTON POWER SWITCH ii Short the service terminal CN S of the outdoor printed circuit board The air conditioner starts operation at Cooling rated frequency Service terminal CN S b Heating Keep pressing the Test Run button switch off and on the Power Switch then release the Test Run button The air conditioner starts operation at Heating rated frequency 51 CS G90KE Servicing Information 2 TROUBLESHOOTING AIR CONDITIONER Refrigeration cycle system In order to diagnose malfunctions make sure that Normal Pressure and Outlet Air Temperature Standard there are no electrical problems before inspect ing the refrigeration cycle S
7. 9100 S 98 e durex3 9100 Jo Y SEyed pu 5 lt Jun HE D ANNO 7 t T Gee ine 4 e 7 3w0219 n9 VU LE 10 d i VOLO 2201 ONIdd3LS 1 Send C EY c Fl na 9 i tim 7 HOLOW 3 dod img H3LLIASNVHL a ee see l OH NOO SLOWS 2m axe om 111 z 3end on o 9 1 1 59 RN ms XO8 9 4 az 0 04 4 909 4 HOLVGIONI FTONIS mo 20 m e 1 1 d 9 3 ES pim 2 5 1 4I11041NO9 HOLOW e OINOHLO313 _ _ asna 4 4 voz UMd AH asna 5 o o E pd 0 OWL O O HOLIMS HOLSIS3Y 1 JA07 L9 N AMOeLO SO 37069 9 44069 59 Block Diagram 14 CS G90KE Wiring Diagram CS G90KE CU G90KE 230V 50Hz 5 3 1 POMP DOWN SWITCH AUTO
8. 5 22 9 o R RED CN DISP BL 23 ib Y 58 0000000000000000088 50 05 RANG E 00000990000000090009 I P N K THERMAL CN DISP BL REMOTE Y G YELLOW Zz W_ FUSE CONTROLLER FE POWER MONITOR DISPLAY DM GREEN oles eee m GR GRAY B T T T T 23 0 2 3 G5 9 85 g Ne Ne sr elas R o 35 E 4H DATA 2 CN AC R R O Ol B 2 L BL lt 1 NOISE 1 10 SENSOR 3 5 PIETER gt 444 N tse 20 INTAKE AIR TEMP 3 i SENSOR w m ru 40 mearch reve Resistance of Outdoor Fan Motor Windings GR AC GR f io 8 B Y 7 a 20 COMP TEMP CONNECTION CWA95342 9 TAXE lt dl BLUE YELLOW Ud MEN wem d Sep ee YELLOW RED 227 To 5 n M FAN MOTOR Ne CONTROLLER Resistance of Compressor Windings Se Ee e ee CS G120KE CU G120KE FR be ei OVER LOAD CONNECTION 2PV132N5BA02 0 BL TRANSISTOR CAPACITOR ion r he U V 1 0 R BL DC BL U W 1 0 CAPACITOR
9. 30 seconds later deice operation starting signal is generated indoor fan outdoor fan 4 way valve are turned off and compressor operates at 55Hz for 30 seconds Deice operation starts During deice operation the compressor operating frequency is set at 75Hz CU G90KE or 83Hz CU G120KE Deice will end when the outdoor heat exchanger temperature rises to 16 C or after 11 minutes 27 CS G90KE Operation Details 5 FAN OPERATION This operation is to enable the fan operation without compressor running Timer operation is valid for fan operation 6 AUTOMATIC OPERATION When the Automatic mode is selected the operation mode is decided in accordance to remote control setting temperature intake air temperature and outdoor air temperature e During judging the operation mode indoor fan is running at Lo speed and outdoor fan at ON in order to sense the indoor intake airtemperature and outdoor airtemperature for 20 seconds Atthis time Power LED is blinking After the operation mode is selected Power LED lights up Refer to the examples below where the remote control setting temperature is 20 C 25 C and 30 C a When the remote control setting temperature is 20 C 36 Soft Dry Cool Intake Air Temp 23 25 Outdoor Air Temp Setting Temp C t t2 t3 18 and below 10 8 5 19 22 8 7 7 23 26 7 6 7 27 and abo
10. OFF EM 37 CS G90KE Operation Details 9 AIRFLOW DIRECTION Blade angle setting Upper limit reference Operen Blade angle 12 5 Heating Airflow direction auto Indoor heat exchanger temperature 14 B 61 0 Airflow direction manual 0 189 29 4 45 19 61 Cooling Airflow direction auto 0 37 Anti dew formation control 3 37 Airflow direction manual 09 89 189 28 37 Anti dew formation control 39 11 59 20 28 5 37 Dry Airflow direction auto 0 37 Anti dew formation control 3 97 Airflow direction manual 09 89 189 289 372 Anti dew formation control 39 11 59 20 28 5 37 Stop 138 Setting angle Upper limit Horizontal _ 37 Cooling amp Soft Dry lower limit AUTO MANUAL Heating lower limit AUTO MANUAL Close positon a Airflow Direction Manual By pressing the remote control airflow direction setting switch the blade will move to the indicated angle 1 2 3 4 5 as shown in the table When the remote control OFF ON switch is pressed the blade will move to the Close position 38 CS G90KE Operation Details 0 Airflow Direction Auto By setting the airflow direction to AUTO the blade swings up and down from 0 37 during Cooling and Soft Dry oper
11. 2 7 3 10 8 759 10 8 Outdoor air temperature 37 5 C Note Zone A will be used 30 minutes after operation starts Heating set value gt Model No CU G90KE CU G120KE H A 6 2 9 2 I2 A 73 10 8 43 CS G90KE Operation Details d Power Transistor Overheating Prevention Control When the power transistor temperature rises to 110 C the OLP goes into operation and compressor stops immediately The compressor is restarted when the power transistor temperature decreases to 95 C after 3 minutes Time Delay Safety Control e Compressor Overheating Prevention Control When the temperature of compressor rises to 108 C the frequency is reduced as shown in diagram below When the temperature rises to 118 C or above the compressor stops The compressor will start operating at low frequency when the temperature falls to 118 C and resume to normal condition when the temperature falls to 95 C Compressor Comp OFF Comp OFF temp C 118 max 40 Hz CU G90KE max 43 Hz CU G120KE max 40 Hz CU G90KE 112 L max 43 Hz CU G120KE max 55Hz 108 max 55 Hz 95 Free Free Condition When temperature rises When temperature falls f Low Pressure Control Gas Leakage Detection When the following conditions as shown the below table occur the compressor stops and restarts after 3 minutes If this phenomenon is continuo
12. 230V lt 3 8 3 7 3 6 3 5 3 4 3 3 72 amp 7 6 4 2 3 4 5 6 7 PIPING LENGTH m Condition Room temperature 20 C Outdoor temperature 7 6 C Heating operation at High Fan Rated Frequency Operation Temperature C Piping Pressure MPa Temperature C Piping Pressure MPa Technical Data CS G90KE Operation characteristics CS G120KE CU G120KE e Cooling Characteristic e Piping Length Characteristic Cooling 230V 2 e S 15 o 16 14 x 15 5 13 5 14 5 ER 12 SE 2g 5 55 11 or 12 OF gt 3 6 g 3 5 amp 3 4 37 2 8 3 6 _ E 3 2 3 5 a x 3 1 34 gt 5 33 0 58 E T 32 2 0 57 2 0 54 056 2 053 2 055 e 5 0 52 om 0 54 82 051 0 53 KS 7 aa 6 5 6 5 5 5 S 4 30 35 40 2 3 4 5 6 7 OUTDOOR AIR TEMPERATURE C PIPING LENGTH m Condition Room temperature 27 19 C Condition Room temperature 27 19
13. 2 times Outdoor PCB F99 Current DC peak Pawar transistor continuously Compressor 55 CS G90KE Servicing Information a Current Transformer Defective When the Current Transformer CT is an open circuit total running currentis less than 1 88 A and the indicated frequency is 72 Hz CU G90KE or 78 Hz CU G120KE or above After 3 minutes of operation the abnormality signal is sent from outdoor to indoor and H16 is displayed b 4 Way Valve Defective i Heating Operation except Deice After 4 minutes of operation the indoor heat exchanger temperature is lower than 5 C The operation stops and restarts after 3 minutes If this phenomenon occurs for 4 times within 40 minutes F11 is displayed ii Cooling Operation After 4 minutes of operation indoor heat exchanger temperature is higher than 45 C The operation stops and restarts after 3 minutes If this phenomenon occurs for 4 times within 40 minutes F11 is displayed The abnormality judgement is not carried out in the following conditions deice operation 2minutes after deice operation hot start 2minutes after hot start 3 minutes after heating and cooling soft dry mode changeover 56 CS G90KE Servicing Information C REMOTE CONTROL a Remote Control Reset When the batteries are inserted for the first time or the batteries are replaced all the indications will blink and the remo
14. 24 CS G90KE Operation Details B Anti Cold Draft Control i Indoor Fan Control Indoor fan speed and airflow direction varies in accordance to the indoor heat exchanger temperature as shown below a Manual Fan speed control Auto Airflow Direction Control Manual Airflow Direction Control Remote Control Setting Fan Speed Remote Control Setting Fan Speed 29 C 29 C 21 21 9 C 9 C Indoor heat Indoor heat exchanger temp exchanger temp b Auto Fan Speed Control Auto Airflow Direction Control Manual Airflow Direction Control Indoor heat Indoor heat exchanger temp exchanger temp Note UP means fan speed is increased by 1 rank DOWN means fan speed is decreased by 1 rank Max means fan speed is running at maximum auto fan speed Temperature in is indicating when powerful mode is selected 25 CS G90KE Operation Details ii Hot Start the start of heating operation the indoor fan stops and compressor operates at Fhmax frequency 118 2 This is to heat up the indoor heat exchanger in order to avoid cold air discharged Hot Start ends when a Indoor heat exchanger temperature reaches over 15 C or b 4 minutes after heating operation starts After Hot Start operation compressor operates at Fhmax 118 2 for 2 minutes C Deice Operation Deice operation occurs when the deice operation starting
15. Test Run Operation Operation is restarted after power failure at previous setting mode Used when test running or servicing Compressor operation rated frequency Cooling 72Hz CS G90KE 78Hz CS G120KE Heating 92Hz CS G90KE 98Hz CS G120KE Sleep Operation Mode X Timer Operation Operation Indication Lamps Powerful Mode e POWER Red Lights up in operation blinks in Automatic Operation judging and Hot Start operation TIMER Orange Lights up in Timer Setting Blinks in Self Diagnosis Control SLEEP Orange Lights up in Sleep Mode Operation For quick cooling or heating Indoor Fan Speed Control Airflow Direction Control Functions CS G90KE CS G90KE COOLING SOFT DRY OPERATION Functions HEATING OPERATION Room Temperature Control lt Compressor Operation Frequency Operation Mode CS G90KE CS G120KE Cooling 25 83 Hz 25 94 Hz Soft Dry 25 36 Hz 25 38 Hz Heating 25 118 Hz 25 118 Hz Temperature Shift X _ Self Diagnosis Low Pressure Control Gas Leakage Detection High Power Supply Voltage Protection X Indoor Power Relay Control lt Deodorizing Control X Anti Cold Draft Control X
16. C Cooling operation at High Fan Outdoor temperature 35 24 C Piping length 5m Cooling operation at High Fan Rated Frequency Operation Rated Frequency Operation Heating Characteristic Piping Length Characteristic Heating 230V 230V 48 o 46 p 44 44 5 43 ps t o 42 lt 5 42 8 40 41 lt 5 58 S OF 40 565 60 9 5 0 OF 50 48 5 40 5 46 30 a 2 44 g 2 2 8 42 I 4 0 e 2 2 0 8 2 2 18 2 1 op n Sa 20 16 1 9 e lt 9 8 7 7 5 s 5 6 2 l 5 2 5 0 7 10 OUTDOOR AIR TEMPERATURE C Condition Room temperature 20 C Heating Operation at High Fan Piping length 5m Rated Frequency Operation PIPING LENGTH m Condition Room temperature 20 C Outdoor temperature 7 6 C Heating operation at High Fan Rated Frequency Operation 64 Exploded View G120KE 5 90 CS D A Fai yee 36 YS 65 Replacement Parts List CS G90KE lt Model CS G90KE CS G120KE gt NO DESCRIPTION amp NAME QTY CS G90KE CS G120KE REMARKS 1 CHASSY COMPLETE 1 CWD50C202 lt lt 2 FAN MOTOR 1 CWA98244 lt 3 CROSS
17. Pipe Size inch G gas side 3 8 G gas side 3 8 Pipe Size inch G gas side 1 2 G gas side 1 2 Flare piping inch L liquid side 1 4 L liquid side 1 4 Flare piping inch L liquid side 1 4 L liquid side 1 4 Drain Inner diameter mm 12 Drain Inner diameter mm 12 Hose Length m 0 7 Length m 0 7 Power Cord Length 2 1m Power Cord Length 2 1m Number of core wire core wires x 1 0 mm Number of core wire 3 core wires x 1 5 mm Dimensions Height inch mm 11 7 16 290 19 29 32 505 Dimensions Height inch mm 11 7 16 290 19 29 32 505 Width inch mm 31 15 32 799 30 23 32 780 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 6 29 32 175 9 21 32 245 Depth inch mm 6 29 32 175 9 21 32 245 Net Weight Ib kg 18 8 0 86 39 Net Weight Ib kg 18 8 0 92 42 Compressor Type _ 1 cylinder Compressor Type Rotary 1 cylinder g piston type rolling piston type Motor Induction 2 poles Motor Induction 2 poles Rated Output 500 Rated Output 650 Air Circulation Type Cross flow Fan Propeller Fan Type Cross flow Fan Propeller Fan Material AS Glass Fiber 30 AES Glass Fiber 12 Air Circulation Material AS Glass Fiber 30 AES Glass Fiber 12 Motor Transistor 4 poles Induction 6 poles Motor Type Transistor 4 poles Induction 6 poles Input 34 Input 70 Rated Output 20 20 Rated Output W 20 30 Fan Low
18. 0 75 INTERNAL SETTING TEMPERATURE 30 CS G90KE MEMO 34 Ayoedeg IHSS uny 159 enuey UO e ueJ e IHS 6 2 0 c 9c 6c uone1odo e 82 O ny e Lz 72 92 6 c ung 159 Ugy uoneJedo Asoyesedaid UO e ueJ enue e H Ic 02 Ugy uoneJedo UO e enue e 812 61 vile 8l e ele 2 041002 9 dgisueg e 802 9 xen ue ue ony UBL oiny e olny SL uoneJedo e ue OJJUOD JqISU e Ugy jenuey uoneJedo Asoyesedaid UO enue e v6l vL uonejedo e enuey Ayoyesedaid UO e oiny e 015 6 e 06 I 015 96
19. 35 40 OUTDOOR AIR TEMPERATURE C Condition Room temperature 27 19 C Cooling operation at High Fan Piping length 5m Rated Frequency Operation Heating Characteristic 230V gt 8 40 5 35 T 30 60 50 9 40 8 80 5 0 7 10 OUTDOOR AIR TEMPERATURE C Condition Room temperature 20 C Heating Operation at High Fan Piping length 5m Rated Frequency Operation 16 15 14 13 12 0 62 0 60 0 58 0 56 40 38 36 34 32 2 0 1 8 1 6 1 4 O Outlet Air GP Gas Side O Outlet Air GP Gas Side Temperature C Piping Pressure MPa C Temperature Piping Pressure MPa Q Heating Capacity kW Current 0 Heating Capacity kW Current A 63 Piping Length Characteristic Cooling 17 16 15 gt 14 13 3 75 12 3 70 o 3 65 3 60 3 55 3 50 1 2 1 0 0 8 0 6 n 0 4 8 0 2 a 5 5 5 0 4 5 4 0 2 3 4 5 6 7 PIPING LENGTH Condition Room temperature 27 19 C Outdoor temperature 35 24 C Cooling operation at High Fan Rated Frequency Operation Piping Length Characteristic Heating
20. 64 94 64 1 5 98 Fh or 98 Fh or 98 Fh or 98 Fh or 98 Fh or 98 Fh or 98 Fh 118 Fhmax 118 Fhmax 118 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax Less than 1 and Less than 1 and Less than 1 and Outdoor air temperature 1 C above 1 above above ii When indoor fan speed is lower than Medium CS G90KE Heating Operation Compressor Operation Frequency Hz Transition Period Stabilized Period Remote Control Setting Temp 16 C 30 C 16 C 20 C 21 C 25 C 26 C 30 C Intake air temperature Internal setting temperature Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Compressor OFF 1 5 25 25 25 25 25 25 25 1 0 25 36 36 40 36 40 36 0 5 36 40 40 55 40 55 40 Internal setting temp 0 m 75 55 55 57 55 57 55 83 57 57 75 57 75 57 1 0 95 75 75 83 75 83 75 92 Fh or 92 Fh or 92 Fh or 92 Fh or 92 Fh or 92 Fh or 92 Fh or 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax Less than 1 and Less than 1 and Less than 1 C and Outdoor air temperature 1 C above 1 C above 1 C above 22 Operation Details CS G90KE CS G120KE Heating Operation Compressor Operation Frequency Hz Transition Period Stabilized Period Remo
21. 681 O ny e ue ony ue ony 1e8H 9 gisueg e N 1 8H 50 5 84 01 8 1 6 LLL 8 CUI ue olny ue Asoyesedaid UO e UO e 07 002 9 gisueg e 01 LUA 2 50 5 LZ 9 9 6 v 440 owy e apoy deals HES 10H 2 01 e 01 e 04u02 URIS 10H 20159 Burzuopoeq 015 04102 WEIS e AAO 340 330 430 AAO 0 A od enue OV PPN joo ON Ajddng peeds ue 31069 59 33 99 10 1 Q33d Z uone1edo IHSS 0796 Le uny 159 ueJ enuen UO e IHS 926 06 6c Ayoedeg IHS e SLE 8c 6 02 72 uny 1591
22. 8 Air Volume Indoor Air Lo m min cfm i 2 72 254 Inner Diameter mm Cooling 1 5 Heating 1 2 8 1 286 Indoor Air Me m min cfm Heating 7 2 254 Air Filter Material Indoor Air Me m min cfm Heating 8 3 293 Style Honeycomb E TW Indoor Air Hi m min cfm 4 5 552 Capacity Control Capillary Tube Indoor Air Hi m min cfm 2 ae F Fan Motor Capacitor uF VAC 1 2 uF 400 8 5 Outdoor Air m min cfm 23 5 830 Outdoor Air 3 cfm 26 4 930 Cooling High 38 Low 30 Cooling 46 Specifications are subject to change without notice for further improvement Cooling High 41 Low 37 Cooling 49 Melee LOVE dB A ees High 39 Low 30 47 Noise reve dB A High 41 Low 37 Heath 251 Electrical Cooling 0 88 0 29 1 01 Electrical Cooling 1 24 0 355 1 53 Data Input Heating 1 11 0 275 1 44 Data Input iid Heating 1 70 0 34 2 10 Cooling 4 3 max 4 7 Cooling 5 5 max 6 7 Running Current A baila 25 0 me o Running Current 77 9 aie Cooling 3 0 Cooling 2 8 mee Heating 3 2 COR Heating 2 9 Starting Current A 6 5 Starting Current A 9 1 Piping Connection Port inch G Half Union 3 8 3 way valve 3 8 Piping Connection Port inch G Half Union 1 2 3 way valve 1 2 Flare piping inch L Half Union 1 4 L 2 way valve 1 4 Flare piping inch L Half Union 1 4 L 2 way valve 1 4
23. or 78 Internal setting 1 5 5 F zi temp C 10 48 48 48 48 0 5 33 36 38 Internal setting temp 0 25 99 25 33 0 5 25 25 25 25 Compressor OFF temp 1 0 Comp OFF Comp OFF Comp OFF Comp OFF Outdoor Air Temperature Less than 38 C 38 C and above Less than 38 C 38 C and above Model No CS G90KE CS G120KE ii When the remote control setting temperature is 24 C and above Cooling Compressor Operation Frequency Hz Intake air temp 83 Fc max or 72 83 max or 72 94 Fc max or 78 94 Fc max or 78 Internal setting 1 5 E m E temp C 10 48 48 48 48 0 5 33 Sg 33 33 Internal setting temp 0 25 25 25 25 0 5 25 25 25 25 Compressor OFF temp 1 0 Comp OFF Comp OFF Comp OFF Comp OFF Outdoor Air Temperature Less than 38 C 38 C and above Less than 38 C 38 C and above Model No CS G90KE Compressor OFF temperature Compressor ON temperature The operation frequency can be changed every 30 seconds 30 minutes from the start of the operation the compressor is operating at Fc max Hz The compressor stops when the intake air temperature reaches 1 C below internal setting temperature and continues for 3 minutes When the compressor stops it will not begin operation for 3 minutes Time Delay Safety Control When the intake air temperature reaches the Compressor ON temperature the Compressor starts ope
24. rom 1 000 Low rpm 1 200 Speed Medium rpm 1 120 Speed Medium rom 1 310 High Heating rpm 1 300 1 460 675 High Heating rpm 1 500 1 550 780 Product Specifications CS G90KE Unit CS G120KE CU G120KE Heat Description Evaporator Condenser Exchanger Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 12 2 19 21 17 Size W x H x L mm 600 x 252 x 25 4 646 2 x 482 6 x 44 Refrigerant Control Device Capillary Tube SUNISO 4GDID or Refrigeration Oil ATMOS M60 270 Refrigeration R 22 02 970 34 2 Thermostat Electronic Control Protection Device Electronic Control Length mm Cooling 880 Heating 535 Capillary Tube Flow Rate 2 min Cooling 6 75 Heating 15 0 Inner Diameter mm Cooling 1 2 Heating 1 6 m Material P P Honeycomb Capacity Control Capillary Tube Fan Motor Capacitor uF VAC 1 5 uF 400 VAC Specifications are subject to change without notice for further improvement 10 CS G90KE Dimensions CS G90KE CS G120KE lt Front View gt 799 175 Air intake direction e SY Y 15 slt Right piping hole Air outl
25. s 5 838282 4 imi iu mi emi t N at R 30 937 1 Y a 1 R TRADE MARK COMPRESSOR en a P ad 15 CS G90KE Wiring Diagram CS G120KE CU G120KE 230 50Hz MOTOR Y G 5 3 1 POMP DOWN SWITCH AUTO BR TEXT RUN SWITCH Y B R B 565 9e a 77 CN MTR G WIRELESS ELECTRONIC CONTROLLER CONTROL 5 BP _ FUSE BR 3 154 BL ELECTRONIC 1 L n T T W CONTROLLER T A RECEIVER 4 CN RCV W gt COIL w 9 188 2o 5 8 8 REMARKS z 881818 w 8 8 40 SENSOR B BLUE 5 8 8 amp ae 30 HEAT EXCHANGER TEMP BR BROWN 51981918 83 6 SENSOR THERMAL g 5 5 10 INTAKE AIR TEMP BL BLACK SH WHITE 10 COIL
26. sound e Press the AUTO button for 10 seconds or longer again to switch on the signal receiving sound 17 INDOOR POWER RELAY CONTROL The power relay turns on when one of the indoor LED lights on power relay turns off when all of the indoor LEDs lights off When the air conditioner is stopped during operation the power relay stays ON for 3 minutes power relay will turn off if a sudden power failure occurs for 0 5 second and below The power relay will turn on again after 3 minutes It will start with the previous operation condition before the power failure 42 CS G90KE Operation Details B PROTECTION 1 PROTECTION CONTROL FOR ALL OPERATIONS a Time Delay Safety Control The compressor is not restarted for 3 minutes after stop of compressor 30 Second Forced Operation Once the compressor is ON it will not turn OFF for 30 seconds However it is turned off by remote control or Automatic switch Total Running Current Control e When the outdoor unit total running current AC exceeds 11 the frequency is lowered by 1 rank If 11 is not exceeded for 30 seconds the frequency is highered by 1 rank at one time If the outdoor unit total running current exceeds 12 the compressor is immediately stopped for 3 minutes Cooling Soft Dry set value Zone A Zone B Model No CU G90KE CU G120KE CU G90KE CU G120KE 5 4 7 2 5 1 6 2
27. 0 5 C higher than internal setting temperature then the operation will shift to Soft Dry with indoor fan speed SLo Soft Dry Compressor Operation Frequency Hz Intake air temp Cooling Operation Cooling Operation Internal setting 1 5 E 58 temp C 10 36 38 0 5 1 33 S9 S9 33 Internal setting temp 0 t 7 25 25 25 25 0 5 25 25 25 25 1 0 Comp OFF Comp OFF Comp OFF Comp OFF Condition When the When the When the When the temperature falls temperature rises temperature falls temperature rises Model No CS G90KE CS G120KE Compressor OFF temperature Compressor ON temperature The operation frequency changes every 30 seconds 30 minutes from the start of the operation the compressor is operating at Fc max Hz The Compressor stops when the intake air temperature reaches 1 C below internal setting temperature and continues for 3 minutes When the Compressor stops it will not begin operation for 3 minutes Time Delay Safety Control When the intake air temperature reaches the Compressor ON temperature the Compressor starts operation immediately When the Compressor stops the outdoor fan motor stops 30 seconds later 20 CS G90KE CS G90KE Operation Details B Deodorizing Conirol This control is available during automatic fan speed for Cooling and Soft Dry Operation It is not avai
28. 14 3 Remove the connector as shown in Fig 15 4 Bend the 2 electronic controller in L shape as shown in Fig 16 and release the main electronic controller from the power electronic PCB 61 Display Electronic Controller 2427 Fig 13 Main Electronic Controller Power Electronic Controller Fig 14 Connector Fig 15 Power Electronic Controller Main Electronic Controller Fig 16 CS G90KE Servicing Information f Inspection Method for the Outdoor Unit 1 Removal of the front panel of the outdoor unit allows access to the electronic control device Fig 17 Outdoor Electronic Controller Screw Cover Fig 17 lt WARNING gt e sure to return the wiring to its original position There are many high voltage components within the heat sink cover so never touch the interior during operation Wait at least two minutes after power has been turned OFF Power Transistor 2 Removing the screw on the cover and pull out the Power transistor module Fig 18 and 19 Fig 18 Power LED light on when power supply to outdoor Fig 19 62 CS G90KE Technical Data Operation characteristics CS G90KE CU G90KE e Cooling Characteristic 230V z 28 Q 8 27 8 26 g 25 5 24 23 6 5 5 3 3 i 30
29. 17 STRAINER 1 CWB11025 lt 18 TUBE ASS Y CHECK VALVE CAPILLARY 1 CWT01C387 CWT01C404 19 COIL COMPLETE 1 CWA43C636 lt 20 SOUND PROOF BOARD 1 CWH15C087 lt 21 TERMINAL COVER 1 CWH17006 lt 22 NUT TERMINAL COVER 1 CWH7080300 lt 23 SOUND PROOF MATERIAL 1 CWG30820 lt 24 SOUND PROOF MATERIAL 1 CWG30821 lt 25 CONTROL BOARD FOR REACTOR CWH10914 lt 26 REACTOR 1 CWA42135 lt 27 REACTOR 1 CWA42134 lt 28 CONTROL BOARD 1 CWH10911 4 29 ZNR 1 ERZV10D471 O 30 ELECTRONIC CONTROLLER 1 CWA74987 CWA74984 O 31 CAPACITOR 1 CWA31137 32 HOLDER CAPACITOR 1 CWH30173 33 ELECTROLYTIC CAPACITOR 1 2 CWA30101 1 CWA30199 2 O 34 DIODE BRIDGE 1 1 A54S15VBA60 54525 60 O 35 DIODE BRIDGE 2 1 A54S25VB60 36 POWER TRANSISTOR 1 A55QM20TG9B O 37 OVER LOAD PROTECTOR POWER TRANSISTOR 1 CWA12220 lt 38 ELECTRONIC CAPACITOR 1 ECQE6155KF lt 39 NOISE FILTER COMPLETE 1 CWA49C196 4 40 FUSE 1 066 lt 41 CONTROL BOARD COVER 1 CWH13404 lt 42 CONTROL BOARD COVER 1 CWH13405 43 CABINET ASS Y 1 CWE00K319A lt 44 CABINET FRONT PLATE 1 CWE06C104A lt 45 CONTROL BOARD COVER 1 CWH13C285 46 HANDLE 1 CWE16037C lt 47 SENSOR COMPLETE 1 CWA50C553 lt O 48 SENSOR COMPLETE 1 CWA50C560 lt O 49 DRAIN ELBOW 1 CWH5850080 lt 50 RESISTOR 1 CWA47024 lt Note e All parts are supplied from Malaysia Vendor Code 086 marked parts are recommended to be kept i
30. 22 38 BAG COMPLETE INSTALLATION SCREW 1 CWH82C194 lt lt 39 AIR PURIFYING FILTER COMPLETE 1 CWDOOC111 40 AIR PURIFYING FILTER 2 CWD00220 lt Note e parts are supplied from MACC Malaysia Vendor Code 086 e O marked parts are recommended to be kept in stock 66 Y b e N B gt gt 9 E Oo amp 2 lt gt O x 67 Replacement Parts List CS G90KE lt Model CU G90KE CU G120KE gt NO DESCRIPTION amp NAME QTY CU G90KE CU G120KE REMARKS 1 CHASSY ASS Y 1 CWD50K622A CWD50K632A 2 FAN MOTOR BRACKET 1 CWD54155 CWD54K063 3 SCREW FAN MOTOR BRACKET 4 CWH4580399 lt 4 FAN MOTOR 1 CWA95341 CWA95342 O 5 SCREW FAN MOTOR MOUNT 3 CWH55027 lt 6 PROPELLER FAN 1 CWH00K052 lt 7 NUT PROPELLER FAN 1 CWH56032 lt 8 COMPRESSOR 1 2RV110N5DA02 2PV132N5BA02 9 ANTI VIBRATION BUSHING 3 CWH50183 10 NUT COMPRESSOR MOUNT 3 CWH56000 lt 11 CONDENSER 1 CWB32C246 CWB32C247 12 HOLDER COUPLING ASS Y 1 CWH35K019A lt lt 13 3 WAY VALVE 1 CWB01269 CWB01299 14 2 WAY VALVE 1 CWB02288 lt 15 4 WAY VALVE 1 CWB00002 CWB00003 16 TUBE ASS Y RECEIVER 1 CWT02351 CWT02354
31. 9 a 8 BR s 10 o R RED 20 02 Ec CN DISP BL 59 po Y 53 ORANGE 40 o4 z 500000000000000000981 Vso PINK YELLOW Q Y ge REMOTE mmm dA BREEN TEN MONITOR DISPLAY GR GRAY 5 3 T T T T E 23 1 82 SE geje SP ajug R 45 i 5 DATA CN AC R R 2 00O t BL 5 555 NOISE 1 10 SENSOR 2 5 i FILTER 1 INTAKE AIR TEMP ass er szlo Resistance of Outdoor Fan Motor Windings 4 3 SENSOR gt w AC W 1 40 HEAT EXCHANGER TEMP CONNECTION 95341 ES 92068 st SENSOR 8 c B Y 6 20 mO COMP TEMP BLUE YELLOW 253 N G TOO ly SU t So 8 YELLOW RED 322 n RY PWR BEEN se T Y E 4 tomo oo REACTOR FAN MOTOR wr 8 CN HOT so pets sms LN t H oH aor ME Resistance of Compressor Windings _____ E ay AY VALVE ed CONNECTION 2RV110N5DAO02 Q B OVER LOAD DIODE REACTOR CN TR PROTECTER U V 1 0 5 pur TRANSISTOR lt 5 BL ToS E BL DC BL V W 1 0 BL R R R B w w L4 W TRW CN QL CAPACITOR 7 031 5085 R P GR W TRANSISTOR 30 d 1 3 20 3 1 252 Ft
32. BR TEXT RUN SWITCH Y B R Eu 90 17274 2 4 CN MTR G 9 9 REMOTE 5 T i ELECTRONIC CONTROLLER CONTROL 29 28 P BL FUSE BR 3 15 5 ME e sme zs T RECEIVER 98 CN ROV W colL E i tN 3 8 E 2 T REMARKS 30 R diis B BLUE m 8 9 m w BR BROWN 585128 28 22 201 BL BLACK TER R g 8 10 INTAKE AIR TEMP Ww WHITE
33. Control AIR Automatic Airflow Direction SWING Control AIR q Airflow Direction Manual Control SWING POWERFUL FAN SPEED LA ON TIMER OFF TIMER TEMP Room Temperature Setting Temperature Setting 16 C to 30 C gt lt Timer Operation Selection 24 hour OFF ON Real Timer Setting SET CANCEL Time Timer Setting Hours and minutes setting Timer Operation Set Cancel CLOCK ON Timer and OFF Timer setting and cancellation SLEEP Clock Setting Current time setting Sleep Mode Operation OFF ON Battery Indication e Battery mark 2 blinks when the batteries should be replaced CS G90KE Functions Indoor Unit FOR ALL OPERATIONS POWER AUTO OFF ON Power Switch OFF ON Automatic Operation Switch Power Monitor Display Lights up during compressor operation Used when the remote control cannot be used Operation Mode TEST RUN OFF ON Remote Control Signal Receiving Sound Control OFF ON X Automatic Heating Cooling Soft Dry and Fan Operation t can be controlled by pressing Automatic Operation Switch for 10 seconds Automatic Restart Control X
34. FLOW FAN COMPLETE 1 CWH02C053 lt lt 4 SCREW GROSS FLOW FAN 1 CWH4580304 pm 5 BEARING ASS Y 1 CWH64K007 lt 6 EVAPORATOR 1 CWB30C145 CWB30C146 7 TUBE ASS Y COMPLETE 1 CWT01C237 CWTO01C238 8 FLARE NUT 1 4 1 CWH6002140 lt 9 FLARE NUT 1 2 OR 3 8 1 CWT25005 3 8 CWT25007 1 2 10 DISCHARGE GRILLE COMPLETE 1 CWE20C535 CWE20C534 11 MOTOR AIR SWING 1 CWA98245 lt 12 TAP DRAIN TRAY 1 CWH52C003 lt 13 1 CWE24394 lt lt 14 CONTROL BOARD 1 CWH10908 pm 15 TERMINAL BOARD COMPLETE 1 CWA28C508 lt 16 POWER SUPPLY CORD 1 CWA20C677 CWA20C678 17 SLIDE SWITCH 1 CWA04088 lt Q 18 ELECTRONIC CONTROLLER POWER 1 CWA74983 lt 19 ELECTRONIC CONTROLLER MAIN 1 CWA74985 CWA74982 20 ELECTRONIC CONTROLLER DISPLAY 1 CWA741057 lt 21 RECEIVER 1 CWA74919 lt 22 FUSE COMPLETE 1 CWA16C161 23 SENSOR COMPLETE 1 50 562 lt 24 CONTROL BOARD COVER CWH13406 lt 25 CONTROL BOARD FRONT COVER 1 CWH13C284 lt lt 26 CONTROL BOARD COVER PIECE 1 CWH13385 lt 27 REMOTE CONTROL COMPLETE 1 CWA75C614 lt 28 FRONT GRILLE COMPLETE 1 CWE11C756 P 29 INTAKE GRILLE COMPLETE 1 CWE22C287 lt lt 30 PARTICULAR PIECE 2 CWD93C070 31 AIR FILTER 2 CWD00215 lt lt 32 SCREW FRONT GRILLE 2 XTN4 16C lt 33 FRONT GRILLE 2 CWH52230 lt lt 34 DRAIN HOSE 1 CWH5880580 lt 35 OPERATING INSTRUCTIONS 1 CWF561292 lt 36 INSTALLATION INSTRUCTIONS 1 CWF61511 37 INSTALLATION PLATE 1 CWH361
35. Gas side pressure Heating Mode 52 CS G90KE Servicing Information 1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the air Electric Electric conditioner Low Pressure High Pressure current during Low Pressure High Pressure current during operation operation Insufficient refrigerant 4 4 gas leakage Clogged capillary tube or Strainer 2 a a Short circuit in the 4 4 9 a a a indoor unit Heat radiation defi ciency of the outdoor 7 7 unit Inefficient compression 7 7 e Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 52 CS G90KE Servicing Information B SELF DIAGNOSIS DISPLAY The diagnostic display can be seen on the receiver of the Front Grille When an abnormality occurs the unit automatically stops and the TIMER LED blinks to indicate a malfunction At the same time the type of abnormality will be indicated on the receiver as shown in the diagram below Providing this information reduces the time spent in diagnosing procedures Display Hil The diagnostic d
36. KE 1 2 1 4 5 5 7 49 CS G90KE Installation Information Indoor Outdoor unit installation diagram Length of power supply cord Piping direction Attention not to bend up drain hose about 1 1 about 1 8 m Right Front side Right lt gt lt gt Lett TIR Left O O Right bottom rear Left bottom Installation parts you must purchase X Installation plate 1 Sleeve X Bushing Sleeve X Putty Gum Type Sealer X Bend the pipe as closely on the wall as possible but be careful that it doesn t break Left and right are identical Insulation of piping connection Carry out installation after checking for gas leaks e After securing with three of the vinyl Vinyl tape Wide e Apply after carrying out a drainage test To out the drainage tape 8 wrap with Vinyl tape test remove into the heat vinyl tape 9 9 To carry out the Vinyl tape 8 drainage test remove into the heat exchanger Saddle Connecting cable A 4 CORE WIRE 1 5 mm t4 Locally approved cable ASS SSS _ NN Additional drain hose RSS SESE 1 4 Liquid side piping
37. Sensible Heat Control Hot Start lt Anti Fog Discharge Control lt Intake Air Temperature Control lt Anti Dew Formation Control X High Pressure Control X Anti Freezing Control X Quiet Operation AUTOMATIC OPERATION FAN OPERATION Functions CS G90KE Outdoor Unit Outdoor Fan Motor 6 poles induction motor 1 speed Time Delay Safety Control X Forced Operation 30 seconds lt High Pressure Control X For Cooling Soft Dry DC Peak X DC Reset X Total Running Current Control lt Compressor Overheating Protection X Power Transistor Overheating Protection X Panasonic Low Frequency Operation Protection X Minimum Frequency Operation Protection X Outdoor Air Temperature Control X Detect outdoor ambient temperature and limits compressor operating frequency X Details can refered to OPERATION DETAIL in this manual CS G90KE Product Specifications CS G90KE CS G90KE Product Specifications Product Specifications
38. Service Manual I 0 Pa I am RS nasonic a I m RT 4 s J S DOE 2 a A gt A y S Panasonic ORDER NO MAC9609040C2 Room Air Conditioners CS G90KE CU G90KE CS G120KE CU G120KE Contents Jacq 1 FUNCHONS NT re 2 6 e Product Specifications 7 10 Eae mtt 11 12 e Refrigeration Cycle Diagram 13 e Block Diagram 14 e Wiring Diagram 15 16 e Operation Details 17 48 e Installation Information 49 50 e Servicing Information 51 62 Technical 63 64 e Exploded 65 67 e Replacement Parts List 66 68 e Electronic Parts 5 1 69 70 1996 Matsushita Air Conditioning Corp Sdn Bhd All rights reserved Unauthorized copying and distribu tion is a violation of law CS G90KE WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warn
39. ation During Heating operation the blade angle will shift according to the indoor heat exchanger temperature as shown below Zone A 58 C 14 ZoneB 55 C 30 C Zone C 0 10 QUIET OPERATION The purpose of this control is to reduce indoor operating noise Indoor fan speed is set to Lo when the following conditions occur e Indoor fan speed is set at Low ndoor heat exchanger temperature rises to 17 C or above e Compressor operates for 5 minutes or above e Operation frequency is less than 40Hz CU G90KE or 43Hz CU G120KE 17 C 13 C Indoor Heat Exchanger Temperature When the indoor heat exchanger temperature is decreased to 13 C or below the control is cancelled and the indoor fan speed will resume from Lo to Low 39 CS G90KE Operation Details 11 POWERFUL MODE OPERATION When the powerful mode is selected the internal setting temperature will shift to achieve the setting temperature quickly a Cooling Operation Internal setting temperature 44 When powerful button is pressed b Soft Dry Operation Internal setting temperature 1 3 C When powerful button is pressed c Heating Operation T 6 C Internal setting temperature When powerful button is pressed 12 SLEEP MODE OPERATION a Cooling Operation Soft Dry Operation When the sleep button is pressed the remote contr
40. door fan speed is Medium or above CS G90KE Heating Operation Compressor Operation Frequency Hz Transition Period Stabilized Period Remote Control Setting Temp 16 C 30 C 16 C 20 C 21 C 25 C 26 C 30 C Intake air temperature Internal setting temperature Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Compressor OFF 1 5 25 25 25 25 25 25 25 1 0 25 33 98 40 33 40 33 0 5 36 36 36 55 36 55 36 Internal setting temp 0 js 75 40 40 57 40 57 40 83 55 55 75 55 75 55 95 57 57 83 57 83 57 92 92 Fh or 92 Fh or 92 Fh or 92 Fh or 92 Fh or 92 Fh or 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax Less than 1 C and Less than 1 C and Less than 1 and Outdoor air temperature 1 above 1 above 1 above 22 CS G90KE Operation Details CS G120KE Heating Operation Compressor Operation Frequency Hz Transition Period Stabilized Period Remote Control Setting Temp 16 C 30 C 16 C 20 C 21 C 25 C 26 C 30 C Intake air temperature Internal setting temperature Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Compressor OFF 1 5 25 25 25 25 25 25 25 1 0 25 98 98 43 33 43 33 0 5 38 38 38 55 38 55 38 Internal setting temp 0 T 82 43 43 64 43 64 43 94 55 55 82 55 82 55 102 64 64 94
41. e 01 412 6 e 041007 HEIS 10H 075 Buizuopoaq 01S voz 2 WEIS AAO 340 330 430 AAO 0 A enue N enuen ion ues EON yos j ddns peeds ue 370219 55 5 34 CS G90KE Operation Details a Cooling Automatic Fan Speed The Automatic Fan Speed for cooling operation is shown as below i When Automatic Fan Speed is selected Fan No 15 joie ieee eli lated Fan No 13 SEE mE un pns 542 211 aib d g b 80 sec gt ii When Automatic Fan Speed and Powerful Mode are selected Fan No 17 Fan No 15 mE sum aoe 13 54255 2553425 555025530240 4 a b f g hia b 10 4 80 Note The Fan Speed will change every 10 seconds and it will be repeated from to h every 80 seconds b Heating Automatic Fan Speed The Automatic Fan Speed for heating operation is shown below When Automatic Fan Speed is selected the Fan Speed will change every 10 seconds from Fan Speed No 7 to No 15 depending on indoor heat exchanger temperature Each time the Fan Speed will move 1 rank up
42. et direction Left piping hole Remote control transmitter lt Back View gt Installation plate hooks E TE Gas Liquid Drain ports side side O 65 18 Relative position between the indoor unit and the installation plate lt Front View gt Slot 2 places lot 2 pl Centre notch Slot 40 710 40 13 5 zw I 457 1 N Installation plate 4 uu F1 350 100 4 E Arrow 4 Indoor unit external 1 Arrow dimensions line abs 74 ol Right piping hole EIE Ty Rel T A 4 69 110 M _ Left piping hole hes CS G90KE Refrigeration Cycle Diagram CS G90KE CU G90KE CS G120KE CU G120KE INDOOR OUTDOOR C1 CHECK VALVE T jy MX HEAT EXCHANGER TEMP A cce 2 D SENSOR VALVE C2 j C3 INTAKE AIR TEMP HEAT OUTDOOR AIR SENSOR EXCHANGER TEMP TEMP SENSOR CONDENSER 1 4 WAY VALVE DX Ka 3 WAY NV VALVE Y COMPRESSOR COMPRESSOR TEMP SENSOR COOLING C1 C2 C3 CAPILARRY TUBE HEATING 13
43. his is to prevent freezing of indoor heat exchanger When the temperature rises to 10 C or above the compressor restarts with 3 minutes The compressor operating frequency will resume to normal when the temperature reaches 14 C Indoor fan speed will increase when the temperature falls and it will resume to original speed when the temperature increases to 14 C for 5 minutes continuously Indoor Heat Free Original Exchanger 14 48 Hz Temp C 12 Original 10 6 1 rank 48 Hz 1 rank up ey ee 4 OFF 33 Hz 2 OFF Comp Indoor Fan Comp Indoor Fan When the temp falls When the temp rises Note The above phenomenon occurs when the fan is running at Me or below b Anti Dew Formation Control When the following conditions occur for 20 minutes continuously anti dew formation is controlled 1 Indoor intake air temperature is 24 C or above 2 Outdoor air temperature is less than 30 C 3 Remote control setting temperature is less than 25 C During anti dew formation control compressor operates at 55 Hz and vertical airflow direction blade moves down slightly as shown in Airflow Direction Control Indoor fan speed increases by 1 rank if it is set at Low or below or decreases by 2 ranks if it is set at Hi speed This control is cancelled immediately when either condition 1 3 as written above is changed or remote control setting temperature or fan s
44. ing i DC Peak Current Control When the electric current to the power transistor exceeds the set value DC 21 3A CU G90KE or DC 26 3A CU G120KE the compressor stops The compressor restarts after 3 minutes fwithin 30 seconds the set value exceeds again after start of the compressor all indoor and outdoor relays will be turned off and all the LEDs will blink 21 CU G90KE or 26 CU G120KE qe set value DC electric current A Comp OFF LED Blinking 3 min Tm j DC Reset When the voltage supply DC to power transistor is below the set value i e 178 5 V the compressor is stopped The compressor will restart after 3 minutes If within 30 seconds the voltage supply is below the set value again after start of the compressor all indoor and outdoor relays will be turned off and all the LEDs will blink k High Power Supply Voltage Protection When the voltage supply AC exceeds 295 15 V T the air conditioner stops and restarts automatically when the voltage supply AC is below 5 V However waiting for 3 minutes is necessary for re operation 45 Operation Details CS G90KE 2 PROTECTION CONTROL FOR COOLING amp SOFT DRY a Anti Freezing Control When the temperature of the indoor heat exchanger becomes low the compressor operating frequency is reduced and stopped when the temperature falls to lower than 2 C continuously for 6 minutes T
45. ings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Features Product Serviceability Powerful Mode for quick cool heat Self diagnosis Compressor operating frequency control to maintain Test Runatboth Cooling and Heating rated frequency desired room temperature Automatic Restart after power failure e Quality Improvement Battery weak indication mark at remote control High power supply voltage protection cu UM NON parel Low power supply voltage protection Power Monitor Display Gas leakage detection Functions CS G90KE Remote Control 2 E 3n se OFF ON 2 Operation OFF ON MODE Operation Mode Selection Automatic Operation Mode HEAT Heating Operation Mode COOL Cooling Operation Mode DRY Soft Dry Operation Mode FAN Fan Operation Mode rower Powerful Mode Operation FAN SPEED Indoor Fan Speed Selection Low a amp Medium EN Medium Medium High AUTO FAN Automatic Fan Speed AIR SWING Airflow Direction
46. isplay vanishes when the power is turned off e When power is re supplied and the Diagnostic Button on the Remote Control is pressed the type of the previous abnormality and the protection control works will be displayed on the receiver for approximately 10 seconds Diagnostic Button To be used by the service 515 ee technician only 7 REMOTE CONTROLLER OPEN By starting cooling operation using TEST RUN button and press the Diagnostic Button the remote control the previous abnormalities are deleted Depending on the type of abnormality you may be able to override the abnormality and use temporary operation for abnormalities indicated by O mark in the table below Usethe remote control to select cooling or heating operation mode and press OFF ON button At this moment four short beeps bip bip bip bip will sound and TIMER LED will blink 54 CS G90KE Servicing Information Diagnosis Abnormality Temporary display Abnormality Protection control Judgement operation Primary location to verify H11 Indoor outdoor abnormal 1 min after Internal external cable connections communication starting operation Indoor Outdoor PCB H14 Indoor intake air temperature Intake air temperature sensor sensor abnormality defective or disconnected Outdoor compressor temperature C
47. lable during anti freezing control Deodorizing Status 1 2 3 4 5 6 7 6 7 6 7 1 Compressor ON OFF ON Time second 40 50 30 60 30 60 40 Fan Speed OFF SLo SLo SLo OFF SLo OFF OFF ON ME OFF Compressor mi OFF Fan Speed MEE When the compressor is in operation the deodorizing status starts from 1 gt 2 gt 3 When the compressor stops operation the deodorizing status starts from 4 gt 5 gt 6 7 f the compressor still stops operation after 3 minutes the deodorizing status will start from 6 C Sensible Heat Control This control is to improve the feeling in high fan speed and low operation frequency When the operation frequency is less than 40Hz CU G90KE or 43Hz CU G120KE the fan speed will reduce When the operation frequency is above 33Hz continuously for 5 minutes the fan speed will resume to normal condition During Cooling operation 21 CS G90KE Operation Details 4 HEATING OPERATION A Room Temperaiure Control During heating operation the room temperature control depends on intake air temperature and internal setting temperature Basically it can be divided into 2 periods as shown below Stabilized Intake air temp internal setting temp 0 i 1 5 Transition period i When in
48. ller a b 1 The Electronic Controller a signal Receiver a power monitor as indicator and a self diagnosis indicator display can be seen by removing the Front Grille and Control Board Cover as shown in the Fig 1 Self Diagnosis Indicator Power Monitor and Indicator Disp Indoor Fan Motor removal procedure 1 Remove the connector CN MTR GREEN of Fan Motor andconnector CN STM WHITE of stepping motor from the electronic controller Release the earth wire YELLOW GREEN from the control board and sensors from its holders Refer Fig 1 Remove the Control Board The Control Board can be removed by releasing the top left and right tabs shown in Fig 2 3 4 Releasing the 2 left tabs by pressing down the top tab and pushing up the bottom tabs Releasing the 2 right tabs by pressing down the top tab and pushing up the bottom tab 58 la Earth Wire Connector Fan Motor Connector CN MTR Electronic Controller Stepping Motor Connector CN STM Signal Receiver Fig 1 Fig 2 Fig 3 Fig 4 CS G90KE Servicing Information 3 Remove the Fan Motor Fan Motor securing screw Loosen the Fan Motor securing screw at the 3 junction with Cross Flow Fan Fig 5 4 Fig 5 Remove the particular piece and the Fan Motor 8 2 can be taken off as shown in Fig 6 and 7 amp Fig 6 Remove the Indo
49. n stock 68 CS G90KE Electronic Parts List lt Model CWA74983 gt POWER PCB SYMBOL DESCRIPTION amp NAME PART NO BZ101 BUZZER A48004 D101 DIODE A54MA165TA5 D102 DIODE A54RA15 10V3 D103 D104 DIODE A54RA15 06V3 D105 DIODE A54RA15 01V3 DB101 DIODE A54D3SBA60F1 FUSE FUSE XBA2C31TRO 01 INTERGRATED CIRCUIT A52C095 101 103 PHOTO COUPLER 521 621 1 4 102 PHOTO COUPLER A52PS2633E Q101 TRANSISTOR A523AA13 Q102 TRANSISTOR A52STA303A RY PWR RELAY A00106 SW101 SW102 SWITCH A01059 T101 TRANSFORMER A40328 ZNR101 ZNR A54C352 ZNR102 ZNR A54C355 Model CWA74982 CWA74985 gt MAIN PCB SYMBOL DESCRIPTION amp NAME PART NO D1 D8 010 DIODE A541SS355T INTERGRATED CIRCUIT A5278366F027 2 INTERGRATED CIRCUIT A52A2003GR2 IC3 INTERGRATED CIRCUIT A52MPC393G22 IC4 INTERGRATED CIRCUIT A52XL9011BF2 5 INTERGRATED CIRCUIT A52PST600DR ICX P ROM A53494B CWA74982 A53495A CWA74985 01 03 07 09 TRANSISTOR A55DC114EKTX 04 06 010 012 014 019 TRANSISTOR A55DA143XKTX Q13 TRANSISTOR A55DC143XKTX swt SWITCH A04085 RESONATOR A45CTS4MG02T Note e All parts are supplied from MACC Malaysia Vendor Code 086 69 Electronic Parts List CS G90KE Model CWA74984 CWA74987 gt OUTDOOR PCB
50. ol setting temperature will increase 0 5 C after 1 hour or when the remote control setting temperature is reached After another hour 0 5 C will be increased again 0 5 C 1 1 1 1 1 1 Remote control 1 1 1 I 1 setting temperature 0 l 1 1 When Sleep 1 hour 1 button is pressed 1 hour 8 hours 4 5 All stop Sleep mode shift operation starts During sleep shift operation indoor fan speed operates at SLo 40 CS G90KE Operation Details b Heating Operation When the sleep button is pressed the remote control setting temperature will decrease 2 C after 1 hour or when the remote control setting temperature is reached After another hour 3 C will be decreased again Remote control setting temperature When Sleep 2 C button is pressed 1 1 hour i 1 1 8 hours lt gt max 1 hour All stop Sleep mode shift operation starts X During sleep shift operation indoor fan speed operates at 13 DELAY ON TIMER CONTROL e When the Delay On Timer is set by using remote control the unit will start to operate slightly earlier before the set time so that the room will nearly reach the set temperature by the On Timer set time 60minutes before the settime the indoor fan operates at SLo and outdoor fan operates for 20 seconds to sample the indoor intake air tem
51. ompressor temperature sensor H15 1 i sensor abnormality defective or disconnected Outdoor Current Transformer open Outdoor PCB H16 Ae circuit Power transistor module H19 Indoor fan motor mechanism lock Indoor PCB Fan motor H23 Indoor heat exchanger temperature Heat exchanger temperature sensor sensor abnormality Cooling only defective or disconnected H27 Outdoor air temperature sensor Outdoor temperature sensor abnormality defective or disconnected H28 Outdoor heat exchanger tempera aAa ngat exchangertemperature li 3 defective or disconnected Air filter dirty H98 Indoor high pressure protection Air circulation short cireiifi H99 Indoor heat exchanger anti freezing Insufficient refrigerant protection Air filter dirty Cooling Heating cycle ch p S times 11 eating cycle changeove occurance within _ 2 valve 40 minutes 9 2 limes No refrigerant F91 Refrigeration cycle abnormality occurance within 3 wa 2 is closed 30 minutes 4 times Excess refrigerant F96 occurance within Improper heat radiation 9 30 minutes Power transistor 8 4 times F97 overheating Securancewilhin _ aon refrigerant protectio minutes ompressor 3 times T _ Excess refrigerant F98 Total running current protection occurance within Improper heat radiation 30 minutes
52. on Details 3 PROTECTION CONTROL FOR HEATING OPERATION a Intake Air Temperature Control When the intake air temperature is 10 C or above and remote control setting fan speed is less than Medium the compressor operates at 92 Hz CU G90KE or 98 Hz CU G120KE b Outdoor Air Temperature Control The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below This control will begin 50 seconds after the compressor starts Outdoor air 57 Hz 64 Hz Temperature C 21 7 Hz 64 Hz 19 83 Hz 94H 12 83 Hz 94 Hz 10 Free eS Free Free Free Condition When temp When temp When temp When temp rises falls rises falls Model No CU G90KE CU G120KE c High Pressure Control compressor operating frequency is regulated in accordance to the indoor heat exchanger temperature Indoor heat 58 OFF OFF OFF exchanger temp C 40 Hz 43 Hz 53 40 Hz 43 Hz 51 57 2 64 2 47 Min 3382 Min33 Hz 75 Hz 82 Hz 43 Min 33 Hz Min 33 Hz 37 Free Free Free Free Condition When temp When temp When temp When temp rises falls rises falls Model No CU G90KE CU G120KE 48 CS G90KE Installation Information Attached accessories No Accesso
53. or Fan Motor E Fig 7 4 To fix the Indoor Fan Motor ensure that the Fan Fan Motor securing screw is Fan motor lead wire Motor securing screw is positioned at the rear end positioned at the rear end is positioned parallel to the Fan Motor and the Fan Motor lead wire is positioned parallel to the Fan Motor Fig 8 59 CS G90KE Servicing Information C Cross Flow Fan Removal Procedure 1 Remove the Indoor Fan Motor Refer to the removal procedure of the Indoor Fan Motor Fig 9 Fan Motor Fig 9 2 Remove the Air Discharge Grille by taking off the screws that hold the Air Discharge Grille and then pull the Air Discharge Grille in a down and forward direction Fig 10 Fig 10 3 Pull off the Bearing at the left of the Cross Flow Fan Fig 11 Fig 11 4 Take off the mounting tab on the left side of the Heat Exchanger pull the Heat Exchanger forward left side and remove the Cross Flow Fan Fig 12 Fig 12 60 CS G90KE Servicing Information d e Removal Procedure of Display Electronic Controller 1 Release the Display Electronic Controller from the tab as shown in Fig 13 2 Move the Display Electronic Controller to the right and pull it towards you Removal Procedure of Main and Power Electronic Coniroller 1 Release allconnecters which are connected to the electronic controller 2 Pullthe electronic controllertowards you as shown in Fig
54. or down When Automatic Fan Speed and Powerful Mode are selected the Fan Speed will change for every 10 seconds from Fan Speed No 11 to No 27 depend on heat exchanger temperature Each time the Fan Speed will move 1 rank up or down 36 CS G90KE Operation Details c Cooling Operation at SHi Speed During Cooling operation Indoor Fan speed is set at SHi when the following conditions occur Outside air temperature is 30 C or above Compressor operates at 72Hz CU G90KE or 78Hz CU G120KE and above Remote control setting fan speed is High Indoor intake air temperature is 24 C or above Remote control setting temperature is 16 C Within 30 minutes after start of operation d Heating Operation at SSHi Speed During Heating operation Indoor Fan speed is set at SSHi when the following conditions occur Heating operation for 2 hours or more When remote control setting fan speed is High Indoor intake air temperature is 17 C or above and less than 23 C Outdoor air temperature is 4 C or below Remote control setting temperature is 30 C Compressor operates at 92Hz CU G90KE or 98Hz CU G120KE and above Airflow Direction is set at Manual 8 OUTDOOR FAN CONTROL e Outdoor fan motor is controlled with 1 speed only Fan is in operation when the compressor starts operation and stops 30 seconds after compressor stops operation ON ON Compressor OFF ON ON Outdoor Fan
55. peed is changed 46 CS G90KE Operation Details Anti Fog Discharge Control compressor operating frequency is regulated by outdoor air temperature and operation time to prevent fog discharged from indoor unit as shown in the table below Compressor operating frequency Hz Operation 0 lt T lt 30 72 83 78 94 Mine 68 72 70 78 90 lt T lt 180 57 68 64 70 gt 180 55 57 55 64 less than 24 C and less than 24 C and Outdoor air temperature C 24 C above 24 C above Model No CU G90KE CU G120KE Note Indoor fan is running at Me or below After 420 minutes from the start of operation the operation timer counting is restarted from 0 d High Pressure Control at Minimum Frequency Control When the outdoor air temperature increases to 38 6 C compressor operating frequency reduces to minimum of 33 Hz Compressor operating frequency will resume to normal when outdoor air temperature decreases to 37 8 C e Electrical Components Overheating Protection When outdoor air temperature is 38 5 C or above and the compressor operating frequency is 25 Hz or above total running current set value is reduced refer to Total Running Current Control and the operating frequency is reduced The protection control is cancelled when the outdoor air temperature decreases to 37 5 C or compressor stops 7 CS G90KE Operati
56. perature and outdoor air temperature in order to determine the starting time for preparatory operation The Power LED blinks during sampling e time of the preparatory operation will start before the On Timer set time a Cooling Soft Dry b Heating Indoor Indoor intake 15 min intake 25 min air temp air temp C C 30 15 10 min 35 min 25 5 5 min 45 min 30 35 0 5 Outdoor air temp Outdoor air temp 14 AUTO RESTART CONTROL is a power failure operation will automatically be restarted when the power is resumed It will start with the previous operation mode and airflow direction Time Delay Safety Control is valid e Auto Restart Control is not available when Timer or Sleep Mode is set 41 CS G90KE Operation Details 15 POWER MONITOR DISPLAY Power Monitor LED lights on when the compressor is in operation The number of the LED lights on is in accordance to the compressor operating frequency Display A A B D D E Cooling 8 71 83 CS G90KE Soft Dry 25 40 41 50 51 60 61 70 71 94 CS G120KE Indication Frequency Hz Heating Indication Frequency Hz 25 40 41 60 61 75 76 90 91 118 16 REMOTE CONTROL SIGNAL RECEIVING SOUND ON OFF e Press the AUTO button for 10 seconds or longer to switch off the signal receiving
57. ration When the compressor stops the outdoor fan motor stops 30 seconds later 18 CS G90KE Operation Details B Deodorizing Conirol This control is available during automatic fan speed for Cooling and Soft Dry Operation It is not available during anti freezing control Deodorizing Status 1 2 3 4 5 6 7 6 7 6 7 1 Compressor ON OFF ON Time second 40 50 30 60 30 60 nune 40 Fan Speed OFF SLo Auto SLo OFF SLo isis OFF OFF Compressor OFF Fan Speed When the compressor is in operation the deodorizing status starts 1 2 When the compressor stops operation the deodorizing status starts from 4 gt 5 gt 6 gt 7 f the compressor still stops operation after 3 minutes the deodorizing status will start from 6 C Sensible Heat Control This control is to improve the feeling in high fan speed during low operation frequency When the operation frequency is less than 40Hz CU G90KE or 43HZ CU G120KE the fan speed will reduce When the operation frequency is above 33Hz continuously for 5 minutes the fan speed will resume to normal condition 19 Operation Details 3 SOFT DRY OPERATION A Room Temperature Control Atthe start of operation cooling operation is running until the intake air temperature is
58. ries part Qty No Accessories part Qty Installation plate Drain elbow E 2 1 1 6 Installation plate fixing screw Clamping cover of piping 6 H 1 Vinyl tape 1 3 Vinyl tape 2 9 1 2 Accessories Flaring piping kit CZ 3F5 7AEN CS G90KE CZ 4F5 7AEN CS G120KE SELECT THE BEST LOCATION _ INDOOR UNIT There should not be any heat source or steam near the unit There should not be any obstacles blocking the air circulation A place where air circulation in the room is good A place where drainage can be easily done A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles Indoor unit of this room air conditioner shall be installed on the wall in a height of at least 2 3 m OUTDOOR UNIT There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the rated length additional refrigerant should be added as shown in the table ipi i Max disi dad Rated Max piping Additional MODEL Length Elevation Length Refrigerant Gas Liquid m m g m G90KE 3 8 1 4 5 5 7 G120
59. signal is generated This happens when one of the following conditions occurs However the first deice operation will begin 1 hour after start of heating operation Outdoor Heat Exchanger Outdoor Heat Exchanger Outdoor Temp To Temp Th lt 3 C Temp Th Case 1 120 minutes Th 6 C for 3 min To gt 1 C continuously continuously Case 2 80 minutes Th 7 C for 3 min To gt 1 C continuously continuously Case 3 40 minutes Th 9 C for 3 min gt 1 C continuously continuously Case 4 40 minutes Th lt 11 C for 3 min gt 3 continuously continuously Note The above 4 cases are under compressor operating condition 26 CS G90KE Operation Details Deice Operation Time Chart Outdoor Heat i Temperature C i Deice Operation Ending i Signal 6 PB d s te 30 sec gt lt Heating Deice max 11 mifh Heating Operation Operation 6 Deice 7 Operation i Starting 9 Signal n Compressor operating 75Hz CU G90KE frequency SaR 83Hz CU G120KE OFF 122 Indoor Fan ON ON OFF OFF Hot Start Outdoor Fan ON ON OFF OFF ON 4 way valve ON ON OFF OFF ON Compressor frequency is set at 55Hz when the deice operation starting signal is generated
60. te Control Setting Temp 16 C 30 C 16 C 20 C 21 C 25 C 26 C 30 C Intake air temperature Internal setting temperature Comp Off Comp Off Comp Off Comp Off Comp Off Comp Off Comp Compressor OFF 41 5 25 25 25 25 25 25 25 11 0 25 38 38 43 38 43 38 0 5 38 43 43 55 43 55 43 Internal setting temp 0 82 55 55 64 55 64 55 0 5 94 64 64 82 64 82 64 1 0 T 102 82 82 94 82 94 82 198 Fh or 98 Fh or 98 Fh or 98 Fh 98 Fh or 98 Fh 98 Fh or 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax 118 Fhmax Less than 1 and Less than 1 C and Less than 1 and Outdoor air temperature 1 above 1 above above Compressor OFF temperature compressor ON temperature The operation frequency changes every 30 seconds When the difference of the intake air temperature and Internal setting temperature is 1 59 or more compressor will operate at Fh continuously for 3 minutes and then change over to Fhmax The compressor stops when the intake air temperature reaches 1 5 C above internal setting temperature and continues for 3 minutes When the compressor stops it will not start operation for 3 minutes Time Delay Safety Control When the intake air temperature decreases to the compressor ON temperature the compressor starts immediately When the compressor stops the outdoor fan motor stops 30 seconds later
61. te control might not work If this happens remove the back cover of the remote control and you will find a resetting termi nal and by shorting it with a minus screwdriver it will return to normal Reset Button je LIT q 0000 Bora H b Changing the wireless remote control trans mission code When two indoor units are installed in the same room in order to prevent operating errors caused Main electronic by using two remote controls set up the remote control B lt gt A switch SW1 The unit is set to A when it is shipped By adding a jumper wire to the remote control side and shorting the Jx at the indoor printed circuit board it is possible to select 4 types of transmission codes including one at time of delivery condition 1 Remote control Indoor printed circuit board Note Switch SW B lt J B Switch SW1 1 At product delivery 2 B B _ 3 A Jumper wire A Shorted 4 B Jumper wire B Shorted c Remote Control Batteries The batteries can be used for one year approximately When the batteries become close to 2 6V the battery mark flashes Replace the batteries immediately Otherwise the remote control display will not appear 57 Servicing Information CS G90KE D DISASSEMBLY OF PARTS Inspection points for the Indoor Electronic Contro
62. uch problems include insufficient insulation problem with the power source Gas pressure Outlet air MPa kg cm G temperature C malfunction of a compressor or a fan Cooling mode 0 4 0 6 4 6 12 16 normal outlet air temperature and pressure Heating Mode 1 5 2 1 15 21 36 45 of the refrigeration cycle depends on various condi tions the standard values for them are shown in the Condition Indoor fan speed High table on the right Outdoor temperature is 35 C at cooling mode and 7 C at heating mode Compressor operates at rated frequency Normal e Measure the air temperature Above 8 C difference 15 minutes after an operation is started at cooling mode Above 14 C 15 minutes after an operation is started at heating mode Difference in the intake and outlet air temperatures Less than 8 C at cooling mode Less than 14 C at heating mode Value of electric Higher than specified D usty condenser current during operation preventing heat radiation e Measure the electric current during operation Excessive amount of refrigerant Lower than specified Cooling Mode High Inefficient compressor e Measure the gas side pressure Insufficient refrigerant Clogged strainer or capillary tube Inefficient compressor Insufficient refrigerant Clogged strainer or capillary tube
63. usly occuring twice within 20 minutes the air conditioner will stop operation and the Timer LED blinks At this time F91 is displayed on the indoor unit Comp Frequency 72 Hz 92 Hz 78 Hz 98 Hz Total Running gt 1 88 A and gt 1 88 A and gt 1 88 A and 2 1 88 A and Current x lt 2 1A lt 2 3A lt 3 0A lt 3 6A Indoor Heat 15 C 30 C 15 C 30 C Exchanger Temp or above or below or above or below Operation Cooling Soft Dry Heating Cooling Soft Dry Heating Model No CU G90KE CU G120KE Note The above conditions are not valid during Deice operation X This conditions are continuous for 5 minutes 44 CS G90KE Operation Details 9 Minimum Frequency Operation Protection When the compressor operates at less than 36 Hz CU G90KE or 38 Hz CU G120KE for 20 minutes the operating frequency will increase to 36 Hz CU G90KE or 38 Hz CU G120KE for 2 minutes Comp Operating Frequency 36 Hz CU G90KE or 38 Hz CU G120KE 7777707 m 20 min lt 2 min h Low Frequency Operation Protection When the following conditions occur the compressor will operate at minimum 40 Hz CU G90KE or 43 Hz CU G120KE Indoor intake air temp C gt 3096 lt 15 C gt 16 C lt 16 C Outdoor air temp C gt 38 lt 16 C gt 24 or lt 4 Indoor heat exchanger temp C lt 30 C 20 C Operation Cooling Soft Dry Heat
64. ve 6 5 8 28 CS G90KE Operation Details b When the remote control setting temperature is 25 C 36 32 31 Intake Air Temp 25 18 16 Soft Dry Cool ing 25 Outdoor Air Temp Setting Temp C 18 and below 19 22 23 26 27 and above c When the remote control setting temperature is 30 C 36 35 Intake Air 30 Temp Soft Dry 22 Cool ing Heati 16 gt 13 21 23 25 Outdoor Air Temp Setting Temp C 18 and below 19 22 23 26 27 and above Operation Details CS G90KE When the operation mode is changed over the value for t1 t2 and t3 are shifted as follows Cooling Soft dry Heating 2 C Heating Cooling Soft dry 2 C When the indoor intake air temperature is lower than 16 C heating operation is immediately started When the outdoor air temperature is more than 25 C and the intake air temperature is over 16 C cooling operation is immediately started The operation mode is judged every 30 minutes Whenthe operation mode Heating Cooling or Soft Dry is decided the internal setting temperature will shift as shown below Remote Control Setting temperature T Outdoor temperature shift Fan speed shift Automatic mode shift Cooling 0 75 C Soft Dry 0 C Heating

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