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Panasonic CS-E9NKUAW Service Manual

1. Jn Connection cable Drain hose Pipin A 722 943 More than 45 9 32 2 cable Drain hose Adjust the piping slightly downwards Sleeve for piping hole How to pull the piping and drain hose out in case of the embedded piping How to insert the connection cable and 11 2 4 1 2 Apply putty or caulking material to seal the wall 2 Drain hose from main unit PVC tube VP 65 for piping and connection cable PVC tube for drain hose VP 30 More than 27 9 16 PVC tube for drain hose VP 20 PVC tube Cable for drain Indoor unit 1 2 27 32 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut then secure it against chassis Connection cable between indoor unit and outdoor unit should be UL listed or CSA approved 4 conductor wires minimum AWG16 in accordance with local electric codes o Ensure the colour of wires of outdoor unit and terminal number are the same as the indoor s repectively A WARNING This equipment must be properly earthed o Earth lead wire shall be Yellow Green Y G in colour and shall be lon
2. 33 12 9 Auto Restart 33 12 10 Indication 34 13 Operation Control For Multi Split Connectlon 5 dut 35 13 1 Cooling operation 35 132 Soft Dry 35 13 3 Heating Operation 35 13 4 Automatic 36 13 5 Indoor Fan Motor Operation 36 13 6 Powerful Mode 36 13 7 Auto restart 36 13 8 Indication 36 14 Protection Control 37 14 1 Protection Control For All Operations 37 14 2 Protection Control For Cooling amp Soft Dry 38 15 Servicing Mode 41 15 1 Auto Off On Button 41 15 2 Remote Control Button 42 16 Troubleshooting Guide 43 16 1 Refrigeration Cycle System 43 16 2 Breakdown Self Diagnosis Function 45 16 3 Error Code Table 46 16 4 Self diagno
3. 4 PUM gt A S MAN 22 44 a 77 IM N amp VL The above exploded view is for the purpose of parts disassembly and replacement Note The non numbered parts are not kept as standard service parts 89 PART amp DESCRIPTION QTY CU E9NKUA CU E12NKUA REMARK 1 CHASSIS ASSY 1 CWD50K2081A 2 FAN MOTOR BRACKET 1 CWD541089 3 SCREW FAN MOTOR BRACKET 2 CWH551217 4 1 ARW6404AC 0 5 SCREW FAN MOTOR MOUNT 4 CWH55252J 6 ASSY 1 CWHO03K1014 7 NUT PROPELLER FAN 1 CWH56053J 8 COMPRESSOR 1 5RS102XHA21 0 9 ANTI VIBRATION BUSHING 3 CWH50077 10 NUT COMPRESSOR MOUNT 3 CWH56000J lt 11 CONDENSER 1 CWB32C3394 12 EXPANSION VALVE 1 CWB051016J lt 13 DISCHARGE MUFFLER EXP VALVE 1 CWB121021 lt 14 HOLDER COUPLING 1 CWH351015A lt 15 2 WAYS VALVE LIQUID 1 021333 0 16 3 WAY VALVE GAS 1 CWBO011374 CWB011367 0 17 TERMINAL COVER 1 CWH171039A lt 18 NUT TERMINAL COVER 1 CWH7080300J 19 SOUND PROOF BOARD 1 CWH15117
4. NIV V41109 LM0 21N0312313 2 LHM 1089 LVIV0 M 001 3904 II3L 1 1 LI I e H Y31714 1910M CHM LM 26 0 2V pe 1 vol e 1 OND XI9 Loe3snd 90 V quvog TWNIWYSL 9 5 YIMOd 43 I 10 IM0 910812414 16 4000100 01 Outdoor Unit 9 2 UNH M199015 909953190 I0 9311091 OINOHIO3 T3 ONIHOLIMS RA N MSZT YENEL 60 3504 Fm 109 YOLON So I11M5VII 09L2313 T4 YOLSINYSHL z 809435 80553844020 IIR HM MOLSINYSHL NOILWOIILOSY NYO 805855 dil a Lindulo 101 2501 TP aS 831139104 Bs a prm X18 V 9019III81LII JINYHO yg 809455 2 M0IIV2IMIIIII0 m T is 039 VIV0 0 6 9 9 9 9 NU 1711 9 9 ddy JUHM on 3M1 MM0I5MV9X9 109 I11M9VII 0V1 313 V V V V LINN HOOQNI OL 1 5 H3MOd 17 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board Km Pk L gt a s BS e ut rp gum uS Ip LI L 2 T y E ud m
5. 1111087 1 Service Manual Air Conditioner Indoor Unit Outdoor Unit CS E9NKUAW CU E9NKUA CS E12NKUAW CU E12NKUA Please file and use this manual together with the service manual for Model No CU 2E18NBU Order No PHAAM1111120A1 AN 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 warnings 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 products dealt with in this service information by anyone else could result in serious injury or death A PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit TABLE OF CONTENTS 3 8 1 Indoor Unit see eee 14 1 Safety Precautions 3 82 15 2 2 2 5 9 Electronic Circuit 16 3 8 94 16 4 Location of Controls and Components 9 9 2 Outdoor 17 4 1 Indoor
6. Piping size Torque 1 4 13 3 Ibf ft 3 8 31 0 Ibf ft 1 2 40 6 Ibf ft 5 8 47 9 Ibf ft 3 4 73 8 Ibf ft ay Spanner or Wrench Torque wrench 11 3 2 3 Connecting the piping to outdoor multi Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table Male side p Female side a Applicable to Auxiliary pipe Connection pipe Liquid and Gas side of CS E9NKUAW 7 Liquid side of Wrench CS E12NKUAW Adjustable Wrench Torque Wrench for Flare Nut Hall Union TE Flare Nut Male side ES x Female side Auxiliary pipe 0 Connection pipe Applicable to Wrench Gas side of Adjustable Wrench CS E12NKUAW Torque Wrench for Flare niece Nut and Pipe Size Reducer 11 3 2 4 Gas Leak Checking Pressure test to system to 400 PSIG with dry nitrogen in stages Thoroughly leak check the system If the pressure holds release the nitrogen and proceed to section 11 3 3 11 3 3 Evacuation of the equipment WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedures Liquid side Indoor unit Gata Rn
7. Left and right are identical N insulation of piping connections Carry out insulation after II I checking gas leaks and secure with vinyl tape L_ Vinyl tape wide X Apply after X Vinyl tape To carry out the drainage test EET remove the air filters and pour water into the heat exchanger Attaching the remote control holder to the wall Remote control holder fixing screws 6 Remote mm control 3 _ Saddle X Remote control holder 51 2 Conduit Power supply cord es ice It is advisable to 9 Conduit avoid more than 2 blockage directions For better ventilation Connection cable Jr Liquid side piping Gas side piping X Additional drain hose X Control Board cover amp multiple outdoor installation please consult authorized dealer specialist This illustration is for explanation purposes only The indoor unit will actually face a different way 11 2 Indoor Unit 11 2 1 to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent if from the vibration Wall Wall Wall nanana a 7 More than 1 More than 1 N Al More than Indoor unit 2 gt 2
8. Two way valve Outdoor unit OPEN Three way yave Vacuum pump 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve 2 Connect the micron gauge between vacuum pump and service port of outdoor units 3 Turn on the power switch of the vacuum pump and make sure that connect digital micron gauge and to pull down to a value of 500 microns 4 To make sure micron gauge a value 500 microns and close the low side valve of the charging set and turn off the vacuum pump Disconnect the vacuum pump house from the service port of the 3 way valve Tighten the service port caps of the 3 way valve at a torque of 13 3 Ibf ft with a torque wrench Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to Open using a hexagonal wrench 5 32 Close 27 8 Mount valve caps onto the 2 way valve and the 3 way valve o Be sure to check for gas leakage If micron gauge value does not descend 500 microns take the following measures If the leak stops when the piping connections are tightened further continue working from step 3 If the leak does not stop when the connections are retightened repair location of leak Do not release refrigerant during piping work for installation and reinstallation Be careful with the liquid refriger
9. 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Outdoor Air Temperature 6 100 5 600 2 5 100 Current 4 600 4 100 3 600 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Outdoor Air Temperature 142 000 137 000 132 000 127 000 122 000 LAT 117 000 1 1 m 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Gas Side Piping Pressure PSI Outdoor Air Temperature F 83 Piping Length Characteristic Cooling Room temperature Operation condition Outdoor temperature Compressor Frequency Fc Outlet Air Temperature Cooling Capacity kW Gas Side Piping Current Pressure PSI A 58 400 58 200 58 000 57 800 57 600 57 400 81 F DBT 66 F WBT High fan speed 95 F DBT e 208 m 230 L s e 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft 3 520 3 500 3 480 3 460 3 440 3 420 137 200 137 000 136 800 136 600 136 400 136 200 136 000 135 800 Piping Length ft 9 11 13 15 17 19 21 23 25
10. 10 1 2 Power Printed Circuit Board G301 AC303 AC304 xd 06 2 terres lt lt a CN FM ILLA 0 10 1 3 Indicator Printed Circuit Board 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board m gt pue ELE D 7 1 0 SRA z 3 gt ENT E 8 5 280 Ed E AC WHT AC BLK CN STM DATA 5 ait 4 2989 b 9 III 2 i s CN TANK 5 58 EN 2 7 CN HOT 7 DET M RSS 193 I a BN i 3 3 gow i 2 m 20 11 11 7 Select the Best Location Installation Instruction 11 1 1 Indoor Unit Do not install the unit in excessive oil fume area Such as kitchen workshop and etc e 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 e Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles Reco
11. The compressor will be stopped to avoid compressor overloading Compressor ON 3 2 F 0 4 F Compressor OFF Outdoor Air Temperature 14 2 6 3 Overload Protection Control e The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below fthe heat exchanger temperature exceeds 60 C compressor will stop OFF 140 F Frequency Reduced 131 F Frequency Limited 120 2 F Frequency Limited Free 114 8 F Indoor Heat Exchanger Temp 14 2 6 4 Low Temperature Compressor Oil Return Control heating operation if the outdoor temperature falls below 14 F when compressor starts the compressor frequency will be regulated up to 600 seconds 14 2 6 5 Cold Draught Prevention Control e When indoor pipe temperature is low cold draught operation starts where indoor fan speed will be reduced or stop Horizontal vane angle may be adjusted in Auto vane setting 14 2 6 6 Deice Operation e When outdoor pipe temperature and outdoor air temperature is low deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks Horizontal vane is closed during auto vane setting 40 15 15 1 Servicing Mode Auto Off On Button Auto OFF ON Button pressed 5 sec Auto OFF ON Button pressed 5 sec Auto OFF ON Button pressed Auto Operation Test Run Operation Forced cooling operation
12. n a aa 5 700 5 600 __ Piping Length ft 86 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 19 Exploded View Replacement Parts List Indoor Unit 19 1 CWH55025J 7 CWH55051J vv NEC a Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 87 REF PART amp DESCRIPTION QTY CS E9NKUAW CS E12NKUAW REMARK 1 CHASSIS COMPLETE 1 CWD50C1633 2 1 L6CBYYYLOO55 0 3 CROSS FLOW COMPLETE 1 CWH02C1076 4 BEARING ASSY 1 CWH64K007 5 SCREW CROSS FLOW 1 CWH551146 7 1 CVV830C3504 CVV830C3505 8 FLARE NUT LIQUID 1 CWT251030 9 FLARE NUT GAS 1 CWT251031 CWT251032 10 CLIP FOR SENSOR 1 CWH32143 12 CONTROL BOARD CASING 1 CWH102370A 13 TERMINAL BOARD COMPLETE 1 CWA28C2357 0 14 ELECTRONIC CONTROLLER MAIN 1 CWA73C6147 CWA73C6148 0 15 ELECTRONIC CONTROLLER POWER 1 746567 0 17 ELECTRONIC CONTROLLER INDICATOR 1 CWA746489 0 19 SENSOR COMPLETE 1 50 2800 0 20 CONTROL BOARD TOP COVER 1 CWH131350 21 INDICATOR HOLDER 1 CWD933021 22 CO
13. Auto OFF ON button is pressed continuously for more than 16 seconds 4 beep sounds will occur at 16 seconds to identify the Remote Control Receiving Sound OFF ON Mode is in standby condition and press Reset button at remote control 41 Press Auto OFF ON button to toggle remote control receiving sound Short beep OFF remote control receiving sound Long beep ON remote control receiving sound After Auto OFF ON button is pressed the 20 seconds counter for Remote Control Receiving Sound OFF ON Mode is restarted 15 2 Remote Control Button 15 2 1 SET Button check remote control transmission code and store the transmission code to EEPROM o Press Set button continuously for 10 seconds by using pointer o Press Timer Set button unit a beep sound is heard as confirmation of transmission code change 15 2 2 RESET RC Toclear and restore the remote control setting to factory default o Press once to clear the memory 15 2 3 RESET AC restore the unit s setting to factory default o Press once to restore the unit s setting 15 2 4 TIMER A To change indoor unit indicator s LED intensity o Press continuously for 5 seconds 15 2 5 TIMER Y To change remote control display from Degree Celsius C to Degree Fahrenheit F o Press continuously for 10 seconds 15 2 6 CLOCK Button change the remote control time format o Press
14. M99 MM099 uOLSINU3HL NYO YOSNIS II31 055319 I0 101999 AMD AVYD NOIL VOLIL3H Nu MOTI3A uOLSINE3HI 111099 01 KEN YOSNIS II115M99 YIH 3SION EL LHM 31IHM 0 3501 EN 7 V19 V La imn P 5XVVII3 up M0IIV9IMVIIIII02 m Tr 03M viva M M T 59 7 M 3ATYA NOISN AX3 109 JIL3N9vW 0819313 V V V V Va LINN HOOQNI OL AlddN S H3MOd 15 ircuit Diagram Indoor Unit 9 Electronic C 9 1 9311091M0 IM091 313 1n383MOd 5 ES 907031 680 13I00 4 200031 940 ui 102031 KR 93 I 109I1M0 310VI939 LM dSIG NO a34 alas aa PU HOLS IIIM7IL 195 YOSNAS dW3l NOILONS cr Ig 4015 WYSHL 107 YOSNAS IM4I1 9MI I cr 4018 WUSHL 1 1 805 45 9MI I za T LHM 1 HALS NO ONd MM 980 9 x a 22 Mig YOLOW YJANOT NMOG dN 01V90 V 3 LOMS mis La 1119410 ILVO I NNWWO9 TYNI MV9 M IM 9MI0M0099
15. 3 300 3 250 3 200 3 150 3 100 Heating Capacity kW 3 050 3 000 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft 100 000 99 800 14 99 600 99 400 99 200 99 000 Gas Side Piping Pressure PSI 98 800 98 600 98 400 1 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length 6 200 6 100 e 6 000 2 5 900 5 800 5 700 5 600 5 500 5 400 _ 5 300 5 200 Current 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft 82 18 1 2 CS E12NK CU E12NK e Cooling Characteristic o Room temperature 81 F DBT 66 F WBT o Operation condition High fan speed Piping length 24 6ft o Compressor Frequency Fc e 208 m 230 59 000 58 000 gt 57 000 Outlet Air Temperature 56 000 55 000 54 000 1 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Outdoor Air Temperature 4 200 4 000 3 800 3 600 3 400 Cooling Capacity kW 3 200 3 000 2 800
16. minutes Model E9NKUA E12NKUA Operation Mode X A Y A X A Y A Cooling Soft Dry A 3 89 15 00 6 55 15 00 Cooling Soft Dry B 3 28 15 00 6 10 15 00 Heating 5 50 15 00 7 05 15 00 1 The first 30 minutes of cooling operation A will be applied 101 3 F 99 5 F Outdoor air temperature 14 1 4 IPM Power Transistor Prevention Control e Overheating Prevention Control o When the IPM temperature rises to 212 F compressor operation will stop immediately o Compressor operation restarts after 3 minutes the temperature decreases to 203 F If this condition repeats continuously 4 times within 20 minutes timer LED will be blinking F96 is indicated e DC Peak Current Control o When electric current to IPM exceeds set value of 18 5A the compressor will stop operate Then operation will restart after 3 minutes o If the set value exceeds again more than 30 seconds after the compressor starts the operation will restart after 2 minutes o If the set value exceeds again within 30 seconds after the compressor starts the operation will restart after 1 minute If this condition repeats continuously for 7 times all indoor and outdoor relays will be cut off timer LED will be blinking F99 is indicated 37 14 1 5 Compressor Overheating Prevention Control e Instructed frequency for compressor operation will be regulated by compressor discharge temperature changes of frequency are
17. 9 10 Printed Circuit Board 18 4 2 Outdoor 9 10 1 Indoor Uniti mettent 18 st 9 10 2 Outdoor 20 DIMENSIONS 10 41 Installation Instr ctiono 21 5 1 Indoor 10 11 1 Select the Best Location 21 11 11 2 Indoor 22 6 Refrigeration Cycle 12 11 3 Outdoor 26 7 Block Diagram 13 12 Operation 29 8 Wiring Connection Diagram 14 12 1 Basic 29 12 2 Indoor Fan Motor Operation 30 m b Panasonic HA Air Conditioning M Sdn Bhd 2011 Unauthorized copying and distribution is a violation of law 12 3 Outdoor Fan Motor Operation 31 12 4 Airflow 31 12 5 Quiet Operation Cooling Mode Cooling Area of Dry 32 12 6 Quiet Operation Heating 32 12 7 Powerful Mode Operation 33 12 8 Timer
18. Press RESET then any key at remote control Remote Control Receiving Sound OFF ON Press RESET at remote control Beep x4 continuously for more than 11 seconds sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition and press RESET button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there are 2 or more indoor units installed nearby together To change remote control transmission code short or open jumpers at the remote control printed circuit board Remote Control Printed Circuit Board T Tinent Jumper A J1 Jumper B D2 Remote Control No j Short Open A Default al sm iz Hd J 1 EJ Open Open B 1 4 D IS Sh rt Sh rt C eo tal 9 De Shot D During Remote Control Number Switch Mode press any button at remote control to transmit and store the transmission code to the EEPROM REMOTE CONTROL RECEIVING SOUND OFF ON MODE The Remote Control Receiving Sound OFF ON Mode will be activated if
19. 29 26 44 35 32 44 35 32 Indoor Noise LI L QLo Power Level dB 581 1 58 60 60 8 46 1 48 49 49 Power Level dB 63 63 64 1 64 1 Max Current Input Power VV 7 0 1 57k 7 8 1 71k SEER HSPF 21 00 10 50 20 00 10 00 Type Hermetic Motor Hermetic Motor Outdoor Noise L QLo Compressor Motor Type Brushless 4 poles Brushless 4 poles 700 700 Output Power Cross flow fan Cross flow fan ASG20K1 ASG20K1 Type Material Motor Type Transistor 8 poles Transistor 8 poles Input Power 47 0 47 0 47 0 47 0 40 40 QLo Cooling 620 Cooling 630 Heating 750 Heating 970 Lo Cooling 720 Cooling 790 Heating 850 Heating 1070 Me Cooling 930 Cooling 1030 Heating 1070 Heating 1250 Hi Cooling 1150 Cooling 1270 Heating 1300 Heating 1430 Cooling 1250 Cooling 1400 Heating 1390 Heating 1500 Output Power Indoor Fan Propeller Material PP PP Motor Type DC 8 poles C 8 poles Input Power Outdoor Fan Output Power 40 40 Indoor Airflow C 830 H 780 42 191 830 LI 780 5 30 187 8 75 309 6 49 229 Cooling 6 51 230 Cooling 6 98 246 Heating 9 78 345 m min ft min Cooli
20. Defect in outdoor compressor temperature sensor Replace the outdoor compressor temperature sensor YES e Defect in outdoor unit PCB e Replace the outdoor unit PCB Compressor Temp Sensor Thermistor Characteristics 70 60 50 40 30 Resistance 20 N 10 8990 68 104 140 176 212 248 284 Temperature F 51 16 4 5 H16 Outdoor Current Transformer Open Circuit Malfunction Decision Conditions Acurrent transformer CT is detected by checking the compressor running frequency gt rated frequency and CT detected input current less than 0 65A for continuously 20 seconds Malfunction Caused defective e Outdoor PCB defective e Compressor defective low compression Troubleshooting When abnormality indication starts again For safety reason and to prevent Check the functionality of current transformer CT component breakdown always switch Caution off the power before remove and connect the component Is the CT open circuit YES e Replace the outdoor NO Force heating operation and measure Running current Suction pressure Is the running current less than 0 65A and suction pressure YES e Replace Compressor due to compressor low 120psi compression NO Check for gas leaking source Repair or replace defected part s 52 16 4 6 H19 Indoor Fan Motor DC Motor Mechanism Locked Malfunction De
21. Figure 3 AC302 White 10 Detach the AC303 and CN PCFM connectors from the electronic controller Detach AC304 Red from terminal board Then pull out power electronic controller gently RY PWR connector Black and brown Figure 5 17 1 1 2 To remove discharge grille Pull out to remove the drain hose from the discharge grille 12 Then pull the discharge grille downward gently to dismantle it Figure 6 76 17 1 1 3 remove control board tette MN 66 menn 13 Remove 4 screws holding the control board then pull out the Mmm abit control board I I vp III I 3 7 17 1 4 remove cross flow fan and indoor fan motor 14 Remove the screw that holding the cross flow fan and fan motor axis Figure 8 16 Remove the bearing by pulling it out gently 15 Remove the screw from the evaporator Figure 9 77 17 Push the holdfast to the left and lift up the evaporator Evaporator C flow f 19 Fan motor can be removed after the Joss removal of cross flow fan Reminder To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 18 Remove the cross flow fan from the unit by pulling it to the left and downward Figure 10 Cross Flow Fan Reminder To reinstall the cross flow fan ensure cross flow fan is in line as shown in figur
22. Stop Test Run Operation Stop Forced heating operation Beep Beep x2 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF ON button is pressed This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto OFF ON button is pressed continuously for more than 5 seconds A sound will heard at the fifth seconds in order to identify the starting of Test Run operation Forced cooling operation Within 5 minutes after Forced cooling operation start the Auto OFF ON button is pressed for more than 5 seconds A 2 beep sounds will heard at the fifth seconds in order to identify the starting of Forced heating operation The Auto OFF ON button may be used together with remote control to set change the advance setting of air conditioner operation Auto OFF ON button Main unit always continue Test Run forced cooling operation pressed 8 sec 5sec 11 sec 16 sec Auto Operation Test Run Operation Test Run Operation Forced Cooling Operation Forced Heating Operation Beep Beep x2 t Press AC RESET 3 REMOTE CONTROL NUMBER SWITCH MODE The Remote Control Number Switch Mode will be activated if the Auto OFF ON button is pressed Remote Control Number Switch Mode Beep x 3
23. 13 5 1 Residual Heat Removal Control e prevent high pressure at indoor unit when heating mode thermostat off condition or power supply OFF indoor fan continue to operate at controlled fan speed for maximum 30 seconds then stop 13 6 Powerful Mode Operation e When the power mode is selected the internal setting temperature will shift lower up to 39 2 F for Cooling Soft Dry or higher up to 42 8 F for heating than remote control setting temperature the powerful operation continue until user cancel the Powerful operation by pressing powerful button again 13 7 Auto restart control When the power supply is cut off during the operation of air conditioner the compressor will re operate between three to four minutes 10 patterns to be selected randomly after power resume e During multi split connection Indoor unit will resume previous mode include unit standby mode 13 8 Indication Panel LED POWER TIMER QUIET POWERFUL Color Green Orange Orange Orange Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Note e f POWER LED is blinking 0 5 second ON 0 5 second OFF the possible operation of the unit are during Indoor Residual Heat Removal Hot Start during Deice operation operation mode judgment or ON timer sampling e If POWER LED is blinking 2 5 seconds ON 0 5 second OFF the unit is in standby mod
24. 16 7 5 8 7 5 24 6 16 7 5 8 Drain Hose Length Fin Material mm inch 650 25 5 8 Aluminium Pre Coat 650 25 5 8 Aluminium Pre Coat Indoor Heat Fin Type Slit Fin Slit Fin Exchanger Row x Stage x FPI 2 15 21 2 15 21 Size W xH x L 1 x 12 3 8 x 24 1 x 12 3 8 x 24 Fin Material Aluminium Blue coated Aluminium Blue coated Outdoor Fin Type Corrugate Fin Corrugate Fin Heat Exchanger Row x Stage x FPI 2x24x17 2x24x17 Size W xH x L 1 3 8 x 19 7 18 x 28 1 8 26 7 8 1 3 8 x 19 7 18 x 28 1 8 26 7 8 Air Filter Material Polypropelene Polypropelene Type One touch One touch Power Supply Power Supply Cord Thermostat Protection Device DRY BULB WET BULB DRY BULB WET BULB Indoor Operation Range Maximum 89 6 73 4 89 6 73 4 Cooling Minimum 60 8 51 8 60 8 51 8 Outdoor Operation Range Maximum 109 4 78 8 109 4 78 8 Cooling Minimum 5 0 5 0 Indoor Operation Range Maximum 86 0 86 0 Heating Minimum 60 8 60 8 Outdoor Operation Range Maximum 792 64 4 75 2 64 4 Heating Minimum 5 0 32 5 0 32 Cooling capacities are based on indoor temperature of 27 C DRY BULB 80 6 F DRY BULB 19 0 WET BULB 66 F WET BULB outdoor air temperature of 35 C DRY BULB 95 F DRY BULB 24 C WET BULB 75 2 WET BULB Heating capacities are based on in
25. 000 60 65 70 75 80 122 000 112 000 102 000 92 000 82 000 Gas Side Piping Pressure PSI 72 000 62 000 gt 52 000 5 10 15 20 25 30 35 40 45 50 55 Outdoor Air Temperature F 85 60 65 70 75 80 Piping Length Characteristic Heating 68 F DBT High fan speed 47 F DBT 43 F WBT Operation condition Outdoor temperature Compressor Frequency 107 200 106 700 106 200 Outlet Air Temperature 105 700 105 200 104 700 Fh e 208 m 230 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft 4 100 4 050 4 000 3 950 3 900 Heating Capacity KW 3 850 3 800 TH 98 200 98 000 97 800 97 600 97 400 97 200 97 000 Gas Side Piping Pressure PSI 96 800 96 600 Piping Length ft 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 9 11 13 15 17 19 21 23 25 27 2931 3 Piping Length ft 3 35 37 39 41 43 45 47 49 51 6 600 6 500 6 400 6 300 ESSE 6 200 6 100 Current 6 000 5 900 5 800
26. 27 29 31 33 35 37 39 41 43 45 47 49 51 HL UM N 9 11 13 15 17 19 21 23 25 27 2931 3 Piping Length ft 3 35 37 39 41 43 45 47 49 51 5 300 5 200 5 100 5 000 4 900 4 800 4 700 4 600 Piping Length ft 84 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Heating Characteristic Room temperature 68 DBT Operation condition High fan speed Piping length 24 6ft Compressor Frequency Fh 126 000 e 208 m 230 7 121 000 116 000 111 000 Outlet Air 106 000 gt Temperature F 101 000 96 000 91 000 e 86 000 5 10 15 20 25 30 35 40 45 50 55 Outdoor Air Temperature F 60 65 70 75 80 5 200 4 700 4 200 3 700 3 200 Heating Capacity kW 2 700 2 200 bote 1 700 5 1015 20 25 30 35 40 45 50 55 Outdoor Air Temperature 8 300 60 65 70 75 80 7 800 6 300 Current A 5 800 x E Te 5 300 4 800 4 300 5 10 15 20 25 30 35 40 45 50 55 Outdoor Air Temperature 132
27. Carry out test run to confirm that no abnormality occurs after the servicing Then explain to user the operation care and maintenance as stated in instructions Please remind the customer to keep the operating instructions for future reference A WARNING Do not modify the machine part material during repairing service 2 If wiring unit is supplied as repairing part do not repair or connect the wire even only partial wire break Exchange the whole wiring unit 3 Do not wrench the fasten terminal Pull it out or insert it straightly 4 Engage authorized dealer or specialist for installation and servicing If installation of servicing done by the user is defective it will cause water leakage electrical shock or fire 5 Install according to this installation instructions strictly If installation is defective it will cause water leakage electric shock or fire 6 Use the attached accessories parts and specified parts for installation and servicing Otherwise it will cause the set to fall water leakage fire or electrical shock 7 nstall at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 8 For electrical work follow the local national wiring standard regulation and the installation instruction An independent circuit and single outlet must be used
28. On Breakdown Status Press the Auto OFF ON button on the main unit a beep sound is heard to operate the unit Remote control is enable again The unit can be temporarily be used until repaired Error Code Operation Temporary items 23 Cooling Emergency Operation H27 H28 Cooling Heating with limited power 45 16 3 Error Code Table Diagnosis Abnormality Abnormality Protection Problem Check location display Protection control Judgement operation 00 No memory of failure Normal operation H11 Indoor outdoor After operation for Indoor fan only Indoor outdoor Indoor outdoor wire terminal abnormal 1 minute operation can communication not establish Indoor outdoor communication start by entering Indoor outdoor connection wire into force cooling operation H12 Indoor unit capacity 90s after power Total indoor capability more Indoor outdoor connection wire unmatched supply than maximum limit or less Indoor outdoor PCB than minimum limit or Specification and combination number of indoor unit less table in catalogue than two H14 Indoor intake air Continuous for 5s Indoor intake air temperature Indoor intake air temperature temperature sensor sensor open or short circuit sensor lead wire and connector abnormality H15 Compressor Continuous for 5s Compressor temperature Compressor temperature sensor temperature
29. Outdoor Unit Space necessary for Top View installation 1 e 22 1 2 2 38 2 valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure Anchor Bolt Pitch 12 5 8 x 22 1 2 Side View Side Vi 1 2 11 13 32 olde View Rog a 9 0 gt Unit inch 11 6 Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID DISCHARGE EXPANSION SIDE MUFFLER VALVE STRAINER Pd P A 2 WAY VALVE SENSOR HEAT EXCHANGER HEAT EXCHANGER EVAPORATOR CONDENSER 4 GAS gt SIDE I A 1 i n 4 WAY VALVE VALVE COOLING HEATING COMPRESSOR COMPRESSOR TEMP SENSOR PIPE TEMP SENSOR 12 7 WossquaWoo NVA WalVaH 21 20119 3510 4999LII4 asad 3 5NIS 1013804 LINQ 900041400 LINQ YOQANI 13 8 Wiring Connection Diagram Indoor Unit 8 1 Yd TIONLNOD 310VI39 9015 05 35 dW4L M0I1 EL AV 1495160 YATIONLNOD 91N03193 13 LHM 69 14519 LOMS 4018 WYSHL o 034 I3L 9MI I 4015 IW
30. a i 9 17 32 Installation Measuring plate 11 Tape The center of installation plate should be at more than Q at right and left of the wall The distance from installation plate edge to ceiling should more than From installation plate left edge to unit s left side is G From installation plate right edge to unit s right side is For left side piping piping connection for liquid should be about from this line For left side piping piping connection for gas should be about from this line 1 Mount the installation plate on the wall with 5 screws or more at least 5 screws If mounting the unit on the concrete wall consider using anchor bolts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 the piping plate hole with 2 3 4 hole core drill o Line according to the left and right side of the installation plate The meeting point of the extended line is the center of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole center is obtained by measuring the distance namely 5 1 6 for left and right hole respectively o Drillthe piping hole at either the right or the left and the hole should be slightly slanting to the outdoor side 11 2 2 Drill a Hole in Wall and Install a Sleeve of Piping Insert the piping sleeve to the hole Fix the bushing
31. aera 89 000 4 84 000 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Outdoor Air Temperature F 3 900 3 400 27 2 900 Heating 2 400 Capacity kW 1 900 1 400 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Outdoor Air Temperature 7 500 7 000 22 6 500 6 000 5 500 5 000 4 500 4 000 3 500 40 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Outdoor Air Temperature 133 000 123 000 113 000 103 000 93 000 83 000 Gas Side Pressure PSI 73 000 63 000 Ps 53 000 10 15 20 25 3 0 35 40 45 50 55 60 65 70 75 80 Outdoor Air Temperature 81 Piping Length Characteristic Heating 68 F DBT Operation condition High fan speed Outdoor temperature 47 F DBT 43 F WBT Compressor Frequency Fh e 208 m 230 104 900 104 400 103 900 103 400 Outlet Air Temperature F 102 900 102 400 E 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft
32. as below f compressor discharge temperature exceeds 224 6 F compressor will be stopped occurs 4 times per 20 minutes timer LED will be blinking F97 is indicated Compressor OFF 224 6 F Compressor Frequency 19406 217 4 F 4 Reduce 195 8 F Compressor Frequency 212 F Maintain 194 F Free Comp Discharge temperature 14 1 6 Low Pressure Prevention Control Gas Leakage Detection Control start conditions o For 5 minutes the compressor continuously operates and outdoor total current is between 0 64A and 0 85A o During Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 39 2 F o During Heating operations Indoor piping temperature indoor suction is under 41 F Control contents o Compressor stops and restart after 3 minutes o If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 14 1 7 Low Frequency Protection Control 1 When the compressor operates at frequency lower than 24Hz continued for 240 minutes the operation frequency will be changed to 25Hz for 2 minutes 14 1 8 Low Frequency Protection Control 2 When all below conditions comply minimum limit of compressor will be set Temperature T for Cooling Soft Dry Heating Indoor intake air F T lt 57 2 or T 2 86 Outdoor air F T lt 55 4 or T g
33. outdoor units check misconnection voltage different abnormality H36 Outdoor gas pipe Continuous for 5s Heating protection Outdoor gas pipe Outdoor gas pipe temperature temperature sensor operation only temperature sensor open or sensor lead wire and connector abnormality short circuit H37 Outdoor liquid pipe Continuous for 5s Cooling protection Outdoor liquid pipe Outdoor liquid pipe temperature temperature sensor operation only temperature sensor open or sensor lead wire and connector abnormality short circuit H38 Indoor Outdoor Brand code not match Check indoor unit and outdoor mismatch brand code unit H64 Outdoor high pressure Continuous for 1 High pressure sensor open High pressure sensor sensor abnormality minutes circuit during compressor Lead wire and connector stop H97 Outdoor fan motor 2 times happen Outdoor fan motor lock or Outdoor fan motor lead wire and mechanism lock within 30 minutes feedback abnormal connector Fan motor lock or block H98 Indoor high pressure Indoor high pressure Check indoor heat exchanger protection 46 protection Heating Air filter dirty Air circulation short circuit Diagnosis Abnormality Abnormality Protection Check location display Protection control Judgement operation H99 Indoor operating unit Indoor freeze protection Check indoor heat exchanger freeze protection Cooling Air filter dirty
34. setting temperature will be taken as base value for temperature shifting processes These shifting processes are depending on the air conditioner settings and the operation environment The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit Remote Control Setting Temperature 60 8 F 86 F Y Auto Operation Mode Shifting Indoor Air Temperature Shifting Outdoor Air Temperature Shifting V Powerful Mode Shifting Setting Temperature Limit Checking Min 60 8 F Max 91 4 F EE Internal Setting Temperature 12 1 2 Cooling Operation 12 1 2 1 Thermostat control e Compressor is OFF when intake Air Temperature Internal Setting Temperature lt 29 3 F e Compressor is ON after waiting for 3 minutes if the Intake Temperature Internal Setting Temperature gt Compressor OFF point 12 1 3 Soft Dry Operation 12 1 3 1 Thermostat control e Compressor is OFF when Intake Temperature Internal Setting Temperature lt 28 4 F e Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature gt Compressor OFF point 12 1 4 Heating Operation 12 1 4 1 Thermostat control e Compressor is OFF when Intake Temperature Internal Setting Temperature gt 35 6 F e Compressor is ON after waiting for 3 minutes if the Intake Air Temperature
35. the compressor Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc 20 During pump down operation stop the compressor before remove the refrigeration piping Removal of refrigeration piping while compressor is operating and valves are opened condition will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc 21 After completion of installation or service confirm there is no leakage of refrigerant gas It may generate toxic gas when the refrigerant contacts with fire 22 Ventilate if there is refrigerant gas leakage during operation It may cause toxic gas when the refrigerant contacts with fire 23 Do not insert your fingers or other objects into the unit high speed rotating fan may cause injury S 24 Must not use other parts except original parts describe catalog manual 25 Using of refrigerant other than the specified type may cause product damage burst and injury etc A CAUTION Do not install the unit at place where leakage of flammable gas may occur In case gas leaks and accumulates at surrounding of the unit it may cause fire S Carry out drainage piping as mentioned in installation instructions II drainage is not perfect water may enter the room and damage the
36. to the sleeve Cut the sleeve until it extrudes about 19 32 from the wall Sleeve for tube CAUTION assembly When the wall is hollow please be sure Approx 7 32 9 32 to use the sleeve for tube assembly to prevent dangers caused by mice biting the connection cable ml Bushing for tube assembly 02 3 4 mm through 4 Finish by sealing the sleeve with putty or hole Putty or caulking compound caulking compound at the final stage 22 11 23 Indoor Unit Installation Do not turn over the unit without it s shock absorber during pull out the piping It may cause intake grille damage pru um Intake grille 11 2 3 1 For the right rear piping 118 Pull out the Indoor piping Silene Install the Indoor Unit Secure the Indoor Unit Insert the connection cable 11 2 3 2 the right bottom piping Pull out the Indoor piping B SIGA Install the Indoor Unit 10210860 Insert the connection cable Secure the Indoor Unit 11 2 3 3 the embedded piping 1018 Replace the drain hose 170074 Bend the embedded piping Use a spring bender or equivalent to bend the piping so that the piping is not crushed Pull the connection cable into Indoor Unit
37. transistor UVW Power transistor UVW Tester s positive terminal UVW Power transistor UVW Power transistor Normal resistance Several kO to several MO Abnormal resistance 0 or 74 17 Disassembly and Assembly Instructions A WARNING High Voltage is generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 17 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 17 1 1 remove front grille 3 Hold both sides of the front grille and remove it by pulling up and toward yourself gently J ________ T L 1 2 2 caps and 2 screws at the ww Lift to open the vertical vane gently bottom of discharge vane Figure 1 17 1 1 1 To remove power electronic controller 4 Remove the control board cover by releasing the hook Figure 2 75 8 Pull out the main 9 Detach 3 or 4 connectors as labeled from electronic controller and the electronic controller Then pull out power electronic main controller gently controller halfway CN DATA1 7 Remove screw to remove terminal board complete 6 Detach the CN DISP connector then remove the indicator complete 5 Detach the Earth wire
38. with the 1 To cut 2 To remove burrs 3 To flare connections carefully check the flare finish 25 11 3 Outdoor Unit 11 3 1 Install the Outdoor Unit After selecting the best location start installation according to indoor outdoor unit installation diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut 013 32 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 11 3 2 Connect the Piping 11 3 2 1 Connecting the piping to indoor Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping e Align the center of piping and sufficiently tighten the flare nut with fingers e Further tighten the flare nut with torque wrench specified torque as stated in the table 11 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table 26 Model A B C D E9NKUA E12NKUA 22 7 16 4 1 8 23 32 12 19 32 Do not over tighten over tightening may cause gas leakage
39. 2A lt 20 SOUND PROOF MATERIAL 1 CWG302570 21 SOUND PROOF MATERIAL 1 CWG302292 21 SOUND PROOF MATERIAL 1 CWG302569 lt 22 SENSOR CO COMP TEMP 1 CWA50C2340 23 CONTROL BOARD COVER TOP 1 CWH131264 lt 24 ELECTRONIC CONTROLLER MAIN 1 CWAT3C6161R CWAT3C6162R 26 TERMINAL BOARD ASSY 1 CWA28K1154 0 27 CABINET SIDE PLATE 1 CWE04C1226 lt 28 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C2793 0 29 SIDE PLATE 1 CWE041492A lt 30 1 CWE06C1142 31 CABINET TOP PLATE 1 CWE031018A lt 32 PLATE B COVER TERMINAL 1 CWH131301 33 CONTROL BOARD COVER CO 1 CWH13C1208 34 HANDLE 1 CWE161010 36 REACTOR 1 G0C193J00003 G0C193J00004 0 37 4 WAYS VALVE 1 CWB001058 0 38 WIRE 1 CWD041161A lt 39 V COIL COMPLETE 1 CWA43C2432 40 1 CWA341065 lt 41 ACCESSORY CO DRAIN ELBOW 1 CWG87C900 lt 42 STRAINER 1 CWB111061 lt 43 V COIL COMPLETE EXP VALVE 1 CWA43C2393 lt 44 DISCHARGE MUFFLER 4 W VALVE 1 CWB121047 lt 45 1 CWG861078 lt 46 1 CWG50C2388 lt 47 SHOCK ABSORBER R 1 CWG712209 48 SHOCK ABSORBER L 1 CWG712210 lt 49 1 CWG565107 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 marked parts are recommended to be kept in stock 90 Printed in Malaysia FB1111 0
40. Air circulation short circuit F11 4 way valve switching 4 times happen 4 way valve switching 4 way valve abnormality within 30 minutes abnormal Lead wire and connector F17 Indoor standby units 3 times happen Wrong wiring and connecting Check indoor outdoor connection freezing abnormality within 40 minutes pipe expansion valve wire and pipe leakage indoor heat Indoor heat exchanger sensor exchanger sensor open lead wire and connector circuit Expansion valve lead wire and connector F90 Power factor correction 4 times happen Power factor correction Outdoor PCB faulty PFC circuit protection within 10 minutes circuit abnormal 91 Refrigeration cycle 2 times happen Refrigeration cycle abnormal Insufficient refrigerant or valve abnormality within 20 minutes close F93 Compressor abnormal 4 times happen Compressor abnormal Power transistor module faulty or revolution within 20 minutes revolution compressor lock F95 Outdoor cooling high 4 times happen Cooling high pressure Check refrigeration system pressure protection within 20 minutes protection Outdoor air circuit F96 Power transistor module 4 times happen Power transistor module PCB faulty overheating protection within 30 minutes overheat Outdoor air circuit fan motor F97 Compressor 3 times happen Compressor overheat Insufficient refrigerant overheating protection within 30 minutes F98 Total running current 3 times happen Total current protection Check refr
41. B The inside and outside connection cable can be connected without removing the front grille Cut and flare the embedded piping When determining the dimensions of the piping slide the unit all the way to the left on the installation plate e Refer to the section Cutting and flaring the piping Install the Indoor Unit B 170050 Connect the piping J e Please refer to Connecting the piping column in outdoor unit section Below steps are done after connecting the outdoor piping and gas leakage confirmation Insulate and finish the piping Please refer to Piping and finishing column of outdoor section and Insulation of piping connection column as mentioned in indoor outdoor unit installation Secure the Indoor Unit H H 23 Use shock absorber when pulling out the piping to protect the intake grille fom damage LI 11 11 m 1 Shock absorber 1 Right Rear piping Tape it with piping in a position as mentioned in Fig below Cover Cover for the for the bottom pipin hose Coverforthe CC Piping bottom piping gt piping Q How to keep cover In case of the cover is cut keep the cover a
42. Control e Temperature sampling is controlled by outdoor unit where room temperature for all power supply ON indoor unit could be obtained e When capability supply to the indoor unit is OFF and the compressor is ON during heating operation the indoor fan motor is stopped During this condition 15 seconds after sampling signal from outdoor unit is received the indoor fan start operation at low fan speed e However within first 4 minutes of capability stopped supply to the indoor unit even sampling signal is received the sampling control is cancelled 35 13 4 Automatic Operation e This mode can be set using remote control and the operation is decided by remote control setting temperature remote control operation mode indoor intake and outdoor air temperature During operation mode judgment indoor fan motor with speed of Lo and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature The operation mode is decided based on below chart Indoor intake air temperature F Heating Mode Soft Dry Mode Cooling Mode Remote Control setting temperature 1 1 I 1 LI 55 4 66 2 698 734 77 Outdoor air temperature F e Every 180 minutes the indoor and outdoor temperature is judge Based on remote control setting temperature the value of T1 will increase up to 50 F T2 will decrease by 37 4 F and T3 will decrease up to 46 4 F 13 5 Indoor Fan Motor Operation
43. Gas side Cooling Mode High pressure Inefficient compressor Insufficient refrigerant Clogged strainer or capillary tube Heating Mode Inefficient compressor Insufficient refrigerant Clogged strainer or capillary tube Measuring electric current during operation Measuring gas side pressure 43 16 1 1 electric current Relationship between the condition of the air conditioner and pressure and Condition of the air conditioner Insufficient refrigerant Cooling Mode Heating Mode Low Pressure High Pressure Electric current during operating Low Pressure High Pressure Electric current during operating gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 44 16 2 Breakdown Self Diagnosis Function 16 2 1 Self Diagnosis Function Three Digits Alphanumeric Code e Once error occurred during operation the unit will stop its operation and Timer LED blinks e Although Timer LED goes off when power supply is turned off if the unit is operated under a breakdown condition the LED will ON again e operation after breakdown repair the Timer LED w
44. High fan speed Outdoor temperature 95 F DBT Compressor Frequency Fc e 208 m 230 59 600 59 400 59 200 Outlet Air Temperature F 59 000 RUE 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 58 800 Piping Length ft 2 510 2 490 Sa 2 470 2 450 2 430 Bii 2410 4 4 LI LI 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Cooling Capacity kW Piping Length ft 141 000 140 500 Lar Boe g 140 000 9 9 439 500 139 000 Lu 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft 3 600 3 500 3 400 3 300 Current 3 200 re 3 100 3 000 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 Piping Length ft 80 Heating Characteristic o Room temperature 68 DBT o Operation condition High fan speed o Piping length 24 6ft o Compressor Frequency Fh 124 000 e 208 m 230 119 000 114 000 B 109 000 104 000 Outlet Air 99 000 mad Temperature 94 000
45. If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 9 This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not use joint cable for indoor outdoor connection cable Use the specified indoor outdoor connection cable refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor outdoor connection Clamp the cable so that no external force will be acted on the terminal If connecting or fixing is not perfect it will cause heat up or fire at the connection 11 Wire routing must be properly arranged so that control board cover is fixed properly If control board cover is not fixed perfectly it will cause heat up or fire at the connection point of terminal fire or electrical shock 12 When install or relocate air conditioner do not let any substance other than the specified refrigerant eg air etc mix into refrigeration cycle piping Mixing of air etc will cause abnormal high pressure in refrigeration cycle and result in explosion injury etc 13 Do not install outdoor unit near handrail of veranda When installing air conditioner unit at veranda of high rise building child may climb up to outdoor unit and cross over the handrail and causing accident 14
46. Internal Setting Temperature lt Compressor OFF point 29 12 1 4 2 Automatic Operation e This mode can be set using remote control and the operation is decided by remote control setting temperature remote control operation mode indoor intake air temperature and outdoor air temperature e During operation mode judgment indoor fan motor with speed of Lo and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature The operation mode is decided based on below chart Indoor intake air temperature F Heating Mode i Soft Dry Mode Cooling Mode Remote Control setting temperature Outdoor air temperature F e Every 30 minutes the indoor and outdoor temperature is judged Based on remote control setting temperature the value of T1 will increase up to 50 F T2 will decrease by 37 4 F and will decrease up to 46 4 F Auto Operation Mode shifting will take place whenever operation mode changed from Cool Soft Dry to Heating or vice versa 12 2 Indoor Fan Motor Operation 12 2 1 Basic Rotation Speed rpm Manual Fan Speed Cooling Dry o Fan motor s number of rotation is determined according to remote control setting Remote control LI L0 o Fan motor s number of rotation is determined according to remote control sett
47. NTROL BOARD FRONT COVER CO 1 CWH13C1201 23 DISCHARGE GRILLE COMPLETE 1 CWE20C3038 24 BACK COVER CHASSIS 1 CWD933233B lt 25 FULCRUM 1 CWH621102 lt 26 VERTICAL 11 CWE241287 27 1 CWE261152 28 1 CWE261154 29 1 CWE261155 30 1 CWE261153 31 AIR SWING MOTOR 1 CWA981240 0 33 CAP DRAIN TRAY 1 CWH521096 34 HORIZONTAL COMPLETE 1 CWE24C1268 35 1 CWA75C3724 lt 0 36 FRONT GRILLE COMPLETE 1 CWE11C4512 0 37 INTAKE GRILLE COMPLETE 1 CWE22C1507 lt 0 38 GRILLE DOOR COMPLETE 1 CWE14C1029 39 AIR FILTER 2 CWD001279 0 40 SCREW FRONT GRILLE 2 XTT4 16CFJ 41 FRONT GRILLE 2 CWH521194 42 1 CWH851173 43 INSTALLATION PLATE 1 CWH361097 44 COMPLETE INSTALLATION SCREW 1 CWH82C1705 45 OPERATING INSTRUCTION 1 CWF568316 46 INSTALLATION INSTRUCTION 1 CWF615169 48 AIR PURIFYING FILTER 1 CWDOOC 1 141 lt 49 WIRE 1 CWD041144A lt 50 1 CVVC861426 51 SHOCK ABSORBER 1 CWG712940 52 SHOCK ABSORBER 1 CWG712941 53 C C CASE 1 CWG565009 parts are supplied from Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock 88 19 2 Outdoor Unit
48. This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and S telephone Otherwise it may cause electrical shock in case equipment breakdown or insulation breakdown 15 Keep away from small children the thin film may cling to nose and mouth and prevent breathing S 16 Do not use unspecified cord modified cord joint cord or extension cord for power supply cord Do not share the single outlet with S other electrical appliances Poor contact poor insulation or over current will cause electrical shock or fire 17 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage 18 For R410A models when connecting the piping do not use any existing R22 pipes and flares nuts Using such same may cause abnormally high pressure in the refrigeration cycle piping and possibly result in explosion and injury In case of using existing R22 pipes during installation of R410A models must carry out pump down properly to collect back the refrigerant and before installation new unit Thickness of copper pipes used with R410A must be more than 1 64 Never use copper pipes thinner than 1 64 It is desirable that the amount of residual oil is less than 0 0014 oz 32 8ft 19 During installation install the refrigerant piping properly before run
49. YSHL WosN3s AWA L 9799 o IL I o LHM 980 o LHM a 2 Mg h OLON 930011 gt o LHM 9 3 I 105 IHM 1N9 N9 YOLOW ANd MU 012 019 gt TE CLEM 11 0410 M0 I LV IM IIII0 LI I M0I LV 1I4I 1039 1069 LI I III 0 2V 1 val e 1 018 1083814 908 V ATddNS 91M0 YATIONLNOD IM091 3 13 NY9 MTA N33M9 MOTI3A Nid 39NVHO IMI M11X9 MOTTA 380 ng vig TWNIWYAL NY9 MTA COR NUD ve 2 0011 3904 al I d iis o xol S H o C 22 T quvog AYNI NYL 14 Outdoor Unit 8 2 83A09 IVMII931 NO 03121041 SI 831131037I153H1 N38 Vd JHL IMMIII831 05519 I0 U3TIOHLINOO 9INOHLO31T3 038 038 maama MIA 0553 I0 b 3r OSZT YFEL H3TIOHINOO 039 gt OINOHLO3T3 L gt anvan 109 ISTE 8 OLLSNOVI O810313 1VIM9 M JOE Las 39NVUO
50. ant it may cause frostbite 11 3 3 1 gt Connect the Cable to the Outdoor Unit Remove Top panel Top Panel Remove Control Board Cover Resin and Metal Remove Plugs Fix the conduit connectors to the knockout holes with Control Board lock nuts then secure them against the side panel Metal Gover All wires pass through conduits Control Board Connection cable between indoor unit and outdoor Gover Resin unit should be UL listed or CSA approved 4 conductor wires minimum AWG16 in accordance with local electric codes Wire connection to the power supply 208 230V 60Hz through circuit breaker o Connect the UL listed or CSA approved wires minimum AWG14 to the terminal board and connect the other end of the wires to ELCB GFCI Connect the power supply cord and connection cable gt between indoor unit and outdoor unit according to the diagram below Terminals on the indoor unit Colour of wires connection cable Terminals on the outdoor unit power supply cord Knockout Holes Plugs Side Panel Connectors POWER SUPPLY Earth wire longer than Earth wire 9 Secure the wire onto the control board with the holder others AC longer than clamper for others AC 10 After completing wiring connections reattach the control EE n for board cover Metal and Resin and the top panel to the y original position wi
51. ate the system Verify PFC abnormality by measuring DC voltage between P and N terminal at the outdoor unit PCB YES Is the DC voltage between P and terminal normal 28Vdc Defect in PFC circuitry between 285 315Vdc Replace the outdoor unit PCB NO Check the compressor winding resistance Turn the power supply and disconnect the harness U V and W Measure the winding resistance between U V V W and W U NO Are the compressor s winding resistance U V V W W U Replace the compressor e Replace the outdoor unit PCB lt m 67 16 4 21 F91 Refrigeration Cycle Abnormality Malfunction Decision Conditions During cooling compressor frequency During cooling and heating operation running current 0 65A lt lt 1 65A e During cooling indoor intake indoor pipe lt 39 2 F Malfunction Caused e Refrigerant shortage refrigerant leakage e Poor compression performance of compressor 2 3 way valve closed e Detection error due to faulty indoor intake air or indoor pipe temperature sensors Troubleshooting When F91 indication happens For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component Check the indoor air intake and pipe temperature sensors Does it conform to the sensor characteristic chart Replace the indoor intake air or pipe temperature sens
52. ccurs intermittently during H33 occurs right after installation operation unit has operated H33 occurs right after servicing normally before and has never occur before Match compatible model follow specification Has the AC power input dropped more than 50 of rating in most Has the power input dropped cases customers do IV T of Confirm the replaced PCB part more than 50 of rating the voltage drop but the installed number versus listed in Service area has known power supply Manual issue Has the indoor and outdoor model matched in voltage rating Has the PCB indoor or outdoor being replaced YES NO Change outdoor main Check DC Voltage after e Replace with correct indoor main and PCB rectification at outdoor or indoor PCB DC Voltage drops below 180Vdc 59 e Change outdoor PCB e Match the compatible model follow specification 16 4 13 H36 Outdoor Gas Pipe Sensor Abnormality Malfunction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor e Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection For safety reason and to prevent Turn off the power L component breakdown always switch Check the co
53. cision Conditions e rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor feedback of rotation gt 2550rpm or 50 Malfunction Caused e Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty indoor unit PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch Caution off the power before remove and Turn off power supply and rotate fan by hand connect the component NO Does fan rotate smoothly Replace fan motor YES Turn power supply on and operate fan YES Does it rotate Stop fan motor Turn off power supply and disconnect fan motor connector Check the rotation feedback output from fan motor then turn power on Check the output of fan motor from indoor PCB Rotate the fan motor by hand is the rotation feedback voltage 15Vdc pin 7 amp 4 generated Is the motor power supply voltage 325V C pin 1 amp 4 generated Is the motor control voltage 15Vdc pin 5 amp 4 generated Operate the fan is the rotation command voltage 1 5Vdc pin 6 amp 4 generated NO Replace fan motor 53 16 4 7 H23 Indoor P
54. d operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection For safety reason and to prevent off the power component breakdown always switch Check the connector connection Caution off the power before remove and connect the component Is the connector connection normal NO Connector poor contact Correct the connection YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit Measure resistance of the outdoor discharge pipe temperature sensor gt Defect outdoor discharge pipe Is the measured resistance of the outdoor discharge pipe temperature sensor temperature sensor matches the value specified in its Replace the outdoor discharge pipe characteristic chart temperature sensor YES Defect in outdoor unit PCB Replace the outdoor unit PCB 57 16 4 11 H32 Outdoor Heat Exchanger Temperature Sensor 2 Abnormality Malfunction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connecti
55. door intake air NO Defect in indoor intake air temperature sensor temperature sensor matches the value specified in its characteristic chart Replace the indoor intake air temperature sensor YES Defect in indoor unit Replace the indoor unit Sensor Thermistor Characteristics Resistance J 14 3 50 68 86 104 122 JdM Temperature F 50 16 44 15 Temperature Sensor Abnormality Malfunction Decision Conditions e During startup and operation of cooling and heating the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection 2 Turn off the power For safety reason and to prevent component breakdown always switch off the power y Deer hs connectorconnection Caution before remove and connect the component 3 NO Is the connector connection normal e Connector poor contact e Correct the connection YES Check the outdoor compressor temperature sensor Plug out connector from the outdoor unit Measure the resistance of the outdoor compressor temperature sensor Is the measured resistance of the outdoor compressor temperature sensor matches the value specified in its characteristic chart
56. door temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb Specifications are subjected to change without prior notice for further improvement 3 Features Inverter Technology o Wider output power range o Energy saving o Quick Cooling o More precise temperature control Environment Protection o depletion substances refrigerant R410A Long Installation Piping CS CU E9 12NK long piping up to 20 meters e Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect Compressor Noise prevention during soft dry operation 0000 Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly Serviceability Improvement o Breakdown Self Diagnosis function 4 Location of Controls and Components 4 1 Indoor Unit Aluminium Fin Front Panel z2 4 Auto OFF ON button EA gt 2 ZZ 2 p ui a Air Filters Air Purifying Filter T Remote Control Receiver INDICATOR Horizontal Airflow 2 Green Direction Louver m TIMER Orange Manually adjustable QUIET Orange Vertical Airflow POWERFUL Orange Direction Lou
57. e f TIMER LED is blinking there is an abnormality operation occurs 36 14 Protection Control 14 1 Protection Control For All Operations 14 1 1 Restart Control Time Delay Safety Control The compressor will not turn on within minutes from the moment operation stops although the unit is turned on again by pressing OFF ON button at remote control within this period e This control is not applicable if the power supply is cut off and on again e This phenomenon is to balance the pressure inside the refrigerant cycle 14 1 2 30 Seconds Forced Operation Once the air conditioner is turned on the compressor will not stop within 30 seconds in a normal operation although the intake air temperature has reached the thermo off temperature However force stop by pressing the OFF ON button at the remote control is permitted or the Auto OFF ON button at indoor unit e The reason for the compressor to force operation for minimum 30 seconds is to allow the refrigerant oil run a full cycle and return back to the outdoor unit 14 1 3 Total Running Current Control When the outdoor unit total running current AC exceeds X value the frequency instructed for compressor operation will be decreased fthe running current does not exceed X value for 5 seconds the frequency instructed will be increased However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3
58. e 11 Figure 11 78 18 Technical Data 18 1 Operation Characteristics 18 1 1 9 Cooling Characteristic CS E9NK CU E9NK Room temperature 81 F DBT 66 F WBT Operation condition High fan speed Piping length 24 6ft Compressor Frequency Fc Outlet Air Temperature F Cooling Capacity kW Current Gas Side Piping A Pressure PSI e 208 m 230 61 000 60 000 59 000 58 000 57 000 56 000 55 000 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Outdoor Air Temperature F 2 900 2 700 2 500 D 2 300 2 100 1 900 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Outdoor Air Temperature 4 000 3 500 3 000 2 500 4 2 000 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 Outdoor Air Temperature 145 000 140 000 135 000 130 000 125 000 120 000 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Outdoor Air Temperature F 79 Piping Length Characteristic Cooling 81 F DBT 66 F WBT Operation condition
59. for more than 5 seconds 42 16 Troubleshooting Guide 16 1 Refrigeration Cycle System In order to diagnose malfunctions make sure that there are no electrical problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right Normal Pressure and Outlet Air Temperature Standard Gas Pressure Outlet air PSI Temperature kg cm G CF 130 53 174 04 Cooling Mode 9 12 53 6 60 8 333 58 420 60 Heating Mode 23 29 96 8 113 Condition Indoor fan speed High Outdoor temperature 95 F at cooling mode and 44 6 F at heating mode Compressor operate at rated frequency Difference in the intake and outlet air temperatures More than 46 4 F 15 minutes after an operation is started at cooling mode Above 57 2 F 15 minutes after an operation is started at heating mode Less than 46 4 F at the cooling mode Less than 57 2 F at the heating mode Normal Measuring temperature difference Value of electric Higher than specified current during operation Lower than specified Dusty condenser preventing heat radiation Excessive amount of refrigerant
60. function Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor e Faulty PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent Check the connector connection component breakdown always switch e Turn off the power Caution off the power before remove and e Check the connector connection connect the component No Is the connector connection normal e Connector poor contact e Correct the connection YES Check the outdoor heat exchanger temperature sensor Plug out connector from the outdoor unit Measure the resistance of the outdoor heat exchanger temperature sensor e Defect in outdoor heat exchanger Is the measured resistance of the outdoor heat exchanger temperature sensor temperature sensor matches the value specified in its Replace the outdoor heat exchanger characteristic chart temperature sensor YES e Defectin outdoor unit e Replace the outdoor unit Sensor Thermistor Characteristics Air Sensor Resistance 3J 9 14 32 50 68 86 104 122 JM Temperature F 56 16 4 10 H30 Compressor Discharge Temperature Sensor Abnormality Malfunction Decision Conditions e During startup an
61. furniture 3 Tighten the flare nut with torque wrench according to specified method If the flare nut is over tightened after a long period the flare may break and cause refrigerant gas leakage 4 Do not touch outdoor unit air inlet and aluminium fin It may cause injury S 5 Select an installation location which is easy for maintenance Pb free solder has a higher melting point than standard solder typically the melting point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C Power supply connection to the air conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited i Power supply connection to the receptacle using a power plug Use an approved 15 16A 1 0 1 75HP or 16 2 0HP or 20A 2 5HP power plug with earth pin for the connection to the socket ii Power supply connection to a circuit breaker for the permanent connection Use an approved 16A 1 0 2 0HP or 20A 2 5HP circuit breaker for the permanent connection It must be a do
62. ger than other lead wires as shown in the figure for electrical safety in case of the slipping 24 drain hose in case of left piping Piping For the right piping follow the same procedure Conduit Connector Earth Wire longer than others AC wires for safety reason Indoor and outdoor connection cable 11 2 5 Wiring Stripping and connecting requirement Wire stripping Conductor Conductor Conductor not Indoor outdoor fully inserted over inserted fully inserted connecting L gt terminal board 7 32 No loose strand when inserted gap between ACCEPT PROHIBITED PROHIBITED wires to x N 5 11 2 5 1 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burrs are not removed gas leakage may be caused Turn the piping end down to avoid the metal powder entering the pipe 3 Please make flare after inserting the flare nut onto the copper pipes Improper flaring Pipe Handle Reamer Bar Bar 0 1 32 1 I ow Sa Yoke Inclined Uneven Seed ore damaged thickness Point A PAS 6 When properly flared the internal surface of the Clamp handle Red arrow mark flare will evenly shine and be of even thickness Since the flare part comes into contact
63. igeration system protection within 20 minutes Power source or compressor lock F99 Outdoor direct current Continuous Power transistor module Power transistor module faulty or DC peak detection happen for 7 times current protection compressor lock Note o Frequency measured and fan speed fixed The memory data of error code is erased when the power supply is cut off or press the Auto Switch until sound heard following by pressing the CHECK button at remote control Although operation forced to stop when abnormality detected emergency operation is possible for certain errors refer to Error Code Table by using remote control or Auto OFF ON button at indoor unit However the remote control signal receiving sound is changed from one beep to four beep sounds 47 16 4 Self diagnosis Method 16 4 1 H11 Indoor Outdoor Abnormal Communication Malfunction Decision Conditions During startup and operation of cooling and heating the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal Malfunction Caused Faulty indoor unit PCB Faulty outdoor unit PCB Indoor unit outdoor unit signal transmission error due to wrong wiring Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units Indoor unit outdoor unit signal transmission error due to disturbed power supply wavefor
64. ill not blink The last error code abnormality will be stored in IC memory 16 2 2 1 2 3 7 8 16 2 3 1 2 3 7 8 16 2 4 1 2 3 16 2 5 1 2 To Make a Diagnosis Timer LED starts to blink and the unit automatically stops the operation Press the CHECK button on the remote control continuously for 5 seconds will be displayed on the remote control display Note Display only for No signal transmission no receiving sound and no Power LED blinking Press the TIMER A or V button on the remote control The code no abnormality will be displayed and signal will be transmit to the main unit Each press of the button A or V will increase error code number and transmit error code signal to the main unit Check button When the latest abnormality code on the main unit and code transmitted from the remote control are matched Power LED will light up for 30 seconds and beep sound continuously for 4 seconds will be heard If no codes are matched Power LED will light up for 0 5 seconds and no sound will be heard The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds The LED will be off if the unit is turned off or the RESET button on the main unit is pressed 4 ACE SET Clock To Display Memorized Error Code Protective Operatio
65. ing Remote control Lo Auto Fan Speed Cooling Dry o According to room temperature and setting temperature indoor fan speed is determined automatically o The indoor fan will operate according to pattern below Fan Speed Higher Medium 1 pattern 10 s h a Lower o During operation indoor fan motor may stop due to odor prevention 30 Heating o According to indoor pipe temperature automatic heating fan speed is determined as follows RPM Increased RPM Maintain RPM Reduced 102 2 F 95 C 66 2 F I 60 8 F Indoor Pipe Temp V Feedback control o Immediately after the fan motor started feedback control is performed once every second o During fan motor on if fan motor feedback gt 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increase fan motor is then stop and restart If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 12 3 Outdoor Fan Motor Operation Outdoor fan motor is operated with fan speed number of rotation It starts when compressor starts operation and it stops 30 seconds after compressor stops operation ON ON Compressor OFF i ON i Fan Speed ON Outdoor Fan 30 OFF 12 4 Airflow Direction e There are two types of airflow vertical airflow d
66. ion Conditions During operation of cooling and heating when an output over current 18 5A is detected by checking the current that flows in the inverter DC peak sensing circuitry Malfunction Caused DC peak due to compressor failure DC peak due to defective power transistor s DC peak due to defective outdoor unit PCB Troubleshooting When F99 indication happens Get restarted and measure the input current NO Input current gt 18 5A YES Check the compressor winding resistance e Turn off the power and disconnect the harness U V and W Measure the winding resistance between U V V W and W U U V V W or U W shorted Are the compressor s winding resistance YES NO Checking the power transistor For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component Replace the outdoor unit Compressor defective due to winding shorted Replace compressor Outdoor electronic circuit defect due to power transistor short Replace the outdoor unit PCB e Never touch any live parts for at least 10 minutes after turning off the circuit breaker f unavoidable necessary to touch live part make sure the power transistor s supply voltage is below 50V using the tester Forthe UVW make measurement at the Faston terminal on the board of the relay connector Tester s negative terminal Power
67. ipe Temperature Sensor Abnormality Malfunction Decision Conditions e During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor e Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection For safety reason and to prevent component Plug out connector from the indoor unit breakdown always switch off the power Measure the resistance of the indoor pipe temperature Caution before remove and connect the component sensor Is the connector connection normal NO Connector poor contact e Correct the connection YES Check the outdoor air temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor intake air temperature sensor Is the measured resistance of the outdoor intake air Defect in outdoor intake air temperature sensor temperature sensor matches the value specified in its Replace the outdoor intake air temperature characteristic chart sensor YES Detect in outdoor unit PCB Replace the outdoor unit Sensor Thermistor Characteristics Pipe temp Sensor Intake Air Temp Sensor Resistance 14 32 50 68 86 104 122 Temperature F 54 16 48 H27 Outdoor Air Temperature Sen
68. irected by horizontal vane and horizontal airflow directed by vertical vanes e Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 12 4 1 Vertical Airflow Operation Mode Airflow Direction Vane Angle T REOR Heating Auto with Heat Exchanger A 20 Temperature B 57 32 Manual Cooling Auto Manual Soft Dry Auto Manual Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stated above For heating mode operation the angle of the vane depands on the indoor heat exchanger temperature as Figure 1 below When the air conditioner is stopped using remote control the vane will shift to close position e Manual vertical airflow direction can be set using remote control the angles of the vane are as stated above and the positions of the vane are as Figure 2 below When the air conditioner is stopped using remote control the vane will shift to close position 31 Side View 136 4 F 96 8 F Indoor Heat Close position Exchanger Temperature 12 4 2 Horizontal Airflow The horizontal airflow direction louvers can be adjusted manually by hand 12 5 Quiet Operation Cooling Mode Cooling Area of Dry Mode Purpose o provide q
69. m Troubleshooting When abnormality indication starts again For safety reason and to prevent Check the indoor outdoor units connection wires component breakdown always switch Caution off the power before remove and connect the component Is there any wiring error YES Correct the indoor outdoor units connection wires NO Disconnect terminal 3 wire and measure Vdc between terminal 2 amp 3 from the outdoor unit Is fluctuate between 20 70Vdc NO 4 Replace outdoor PCB YES Reconnect terminal 3 wire and measure Vdc between terminal 2 amp 3 from the outdoor unit Is fluctuate between 20 50 Replace indoor unit 48 16 4 2 H12 Indoor Outdoor Capacity Rank Mismatched Malfunction Decision Conditions e During startup error code appears when different types of indoor and outdoor units are interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error due to wrong wiring Indoor outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units Troubleshooting When abnormality indication starts again For safety reason and to prevent 5 5 component breakdown always switch Check the indoor and outdoor unit connection wires Caution off the powe
70. mmended installation height for indoor unit shall be at least 8 2 ft 11 1 2 Outdoor Unit awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed e There should not be any animal or plant which could be affected by hot air discharged e Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause short circuit of the discharged air e f piping length is over the piping length for additional gas additional refrigerant should be added as shown in the table Recommended installation height for outdoor unit should be above the seasonal snow level LX Btu h m 98 ose o2 me Example E9NKUAW If the unit is installed at 32 8 ft distance the quantity of additional refrigerant should be 1 64 oz 32 8 24 6 ft x 0 2 oz ft 1 64 oz 21 11 1 3 Indoor Outdoor Unit Installation Diagram Piping direction Do not bend up drain hose Front side Right Rear E gt bottom Rear Left bottom Installation parts you should purchase X Installation plate Bushing Sleeve X Sleeve X Putty X A Gum Type Sealer Bend the pipe as closely on the wall as possible but be careful that it doesn t break
71. n Turn power on Press the CHECK button on the remote control will be displayed on the remote control display Note Display only for No signal transmission no receiving sound and no Power LED blinking Press the TIMER A button on the remote control The code HOO no abnormality will be displayed and signal will be transmit to the main unit Each press of the button or V will increase error code number and transmit error code signal to the main unit When the latest abnormality code on the main unit and code transmitted from the remote control are matched Power LED will light up for 30 seconds and a sound continuously for 4 seconds will be heard If no codes are matched Power LED will light up for 0 5 seconds and no sound will be heard The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds The same diagnosis can be repeated by turning power on again To Clear Memorized Error Code after Repair Protective Operation Turn power on in standby condition Press the AUTO button for 5 seconds a sound is heard on the main unit to operate the unit at Forced Cooling Operation Mode Press the CHECK button on the remote control for about 1 second with a pointed object to transmit signal to main unit A beep sound is heard and the Error Code is cleared Temporary Operation Depending
72. ng 8 80 311 Heating 9 81 346 Cooling 9 49 335 Heating 11 64 411 3 ft min Cooling 11 2 395 Heating 7 53 25 Heating 12 2 120 Cooling 12 0 425 Heating 13 5 475 m min ft min Cooling 12 29 434 Heating 13 13 464 Cooling 13 36 472 Heating 14 23 502 Outdoor Airflow Refrigeration Cycle Dimension Control Device Cooling 31 0 1095 Heating 31 0 1095 Capillary Tube Cooling 31 0 1095 Heating 31 0 1095 Capillary Tube Refrigerant Oil FV50S 320 FV50S 320 Refrigerant Type Height I D O D mm inch R410A 965 34 1 290 11 7 16 540 21 9 32 410 980 34 6 290 11 7 16 540 21 9 32 Width I D O D mm inch 870 34 9 32 780 30 23 32 870 34 9 32 780 30 23 32 Depth I D O D mm inch 204 8 1 16 289 11 13 32 204 8 1 16 289 11 13 32 Weight Pipe Diameter Liquid Gas Net I D O D kg Ib mm inch 6 35 1 4 9 52 3 8 6 35 1 4 12 70 1 2 Standard length m ft 7 5 24 6 7 5 24 6 Length range min max m ft 3 9 8 20 65 6 3 9 8 20 65 6 amp O D Height different m ft 15 49 2 15 49 2 Additional Gas Amount g m oz ft 20 0 2 20 0 2 Length for Additional Gas Inner Diameter m ft mm inch 7 5 24 6
73. nnector connection Caution the power before remove and connect the component Is the connector connection normal NO Connector poor contact Correct the connection YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Defect in outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor gas pipe temperature sensor matches the value specified in its hatacter to chan Replace the outdoor discharge pipe characteristic chart temperature sensor YES Defect in outdoor unit PCB Replace the outdoor unit PCB 60 16 4 14 H37 Outdoor Liquid Pipe Temperature Sensor Abnormality Malfunction Decision Conditions e During startup and operation of cooling and heating the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor e Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection For safety reason and to prevent Turn off the power A component breakdown always switch Caution Check the connector connection off the power before remove and connect the component Is the connector connection normal NO Connector poor contact Correct the connection YES Check the outdoor discharge
74. on e Faulty sensor e Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection For safety reason and to prevent Turn off the power A component breakdown always switch Check the connector connection Caution off the power before remove and connect the component Is the connector connection normal NO Connector poor contact e Correct the connection YES Check the outdoor discharge pipe temperature sensor Plug out connector from the outdoor unit Measure the resistance of the outdoor discharge pipe temperature sensor Defect in outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor heat exchanger temperature sensor matches the value specified in its characteristic chart Replace the outdoor discharge pipe temperature sensor YES Defect in outdoor unit PCB Replace the outdoor unit PCB 58 16 4 12 H33 Unspecified Voltage between Indoor and Outdoor Malfunction Decision Conditions e supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused Wrong models interconnected e Wrong indoor unit and outdoor unit PCBs used e Indoor unit or outdoor unit PCB defective Troubleshooting When abnormality indication starts For safety reason and to prevent again component breakdown always switch Caution off the power before remove and connect the component H33 o
75. or 2 3 way valve opened NO Open 2 3 way valve YES Check for gas leaking 7 5 Repair the pipe flare or union nuts Oil oozing out from the 2 3 way valve Reclaim and recharge refrigerant NO 5 7 Capillary tube or dryer clogged e Replace the capillary tube or dryer Charge for a specified amount of fresh refrigerant Refrigerant cycle abnormality error again YES e outdoor unit PCB 8 compressor NO Procedure complete 68 16 4 22 F93 Compressor Rotation Failure Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disconnect e Outdoor PCB malfunction Troubleshooting When F93 indication happens Turn off power supply Disconnect U V and W wires Check with inverter checker Normal YES 69 For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component IPM defective Replace outdoor unit Replace compressor 16 4 23 F95 Cooling High Pressure Abnormality Malfunction Decision Conditions During operation of cooling when outdoor unit heat exchanger high temperature data 141 8 F is detected by the outdoor pipe temperature sensor Malfunction Caused Outdoor pipe temperature rise due to short circuit of hot discha
76. or pipe temperature or indoor heat exchanger temperature sensor is above 113 F Malfunction Caused e Faulty connector connection e Faulty indoor pipe temperature sensor e Faulty indoor main Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch Caution off the power before remove and Check the indoor pipe temperature sensor connection i XES Correct broken cable connect Does it cable connection loose or connector broken orrect loose or broken cable connector NO Check the indoor pipe temperature characteristic NO A Does it conform to specification e Replace the indoor pipe temperature sensor The problem still occur after replacing the sensor Sensor Thermistor Characteristics m Pipe temp Sensor Intake Air Temp Sensor Resistance 14 32 50 68 86 104 122 Temperature F 65 16 4 19 F17 Indoor Standby Units Freezing Abnormality Malfunction Decision Conditions e When the different between indoor intake air temperature and indoor pipe temperature is above 50 F or indoor pipe temperature is below 30 2 F Remark When the indoor standby unit is freezing the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit s Malfunc
77. pipe temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor discharge pipe temperature sensor Defect in outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor liquid pipe temperature sensor matches the value specified in its characteristic chart Replace the outdoor discharge pipe temperature sensor YES Defect outdoor unit PCB Replace the outdoor unit PCB 61 16 4 15 97 Outdoor Fan Motor Motor Mechanism Locked Malfunction Decision Conditions The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty outdoor unit PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch Caution off the power before remove and Turn off power supply and rotate fan by hand connect the component NO Does fan rotate smoothly e Replace fan motor YES Turn power supply on and operate fan YES Does it rotate Stop fan motor Turn off power supply and disconnect fan motor connector then turn power on Check the output of fan moto
78. r before remove and connect the component Is there any wiring error YES Correct the indoor outdoor unit s connection wires NO Check indoor and outdoor units model number Is indoor unit and outdoor unit model numbers matched NO Match the compatible model s YES Check the spare part numbers of the indoor and outdoor unit PCBs and compare with their Part Lists YES NO i i i Matched compatibility for the specified indoor or outdoor unit Replace the indoor and outdoor unit PCBs gt 16 43 H14 Indoor Intake Air Temperature Sensor Abnormality Malfunction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again me For safety reason and to prevent component Check the connector connection breakdown always switch off the power e Turn off the power Caution before remove and connect the component Check the connector connection Is the connector connection normal NO 5 e Correct the connection YES Check the indoor intake air temperature sensor Plug out connector from the indoor unit Measure the resistance of the indoor intake air temperature sensor Is the measured resistance of the in
79. r from indoor PCB Is the motor power supply voltage 325 7 amp 4 generated Is the motor control voltage 15Vdc pin 3 amp 4 generated Operate the fan is the rotation command voltage 1 5 pin 2 amp 4 generated Check the rotation feedback output from fan motor Rotate the fan motor by hand is the rotation feedback NO voltage 15Vdc pin 1 amp 4 generated e Replace indoor e Replace fan motor 62 16 4 16 H98 Indoor High Pressure Protection Error Code will not display no Timer LED blinking but store in EEPROM Malfunction Decision Conditions During heating operation the temperature detected by the indoor pipe temperature sensor is above 140 F Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent A component breakdown always switch Caution off the power before remove and Check the air passage connect the component YES Is there any short circuit Provide sufficient air passage Check the indoor unit air filter Is the air filter dirty YES Clean the air filter z Check dust accumulation on the indoor unit heat exchanger 5 Is the indoo
80. r unit heat exchanger dirty e Clean the indoor unit heat exchanger NO Check the indoor pipe temperature sensor Does it conform to the sensor characteristic chart NO e Replace the indoor pipe temperature sensor e Replace the indoor unit PCB 6 16 4 17 H99 Indoor Freeze Prevention Protection Cooling or Soft Dry Malfunction Decision Conditions Freeze prevention control takes place when indoor pipe temperature is lower than 35 6 F Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting When abnormality indication starts again Check the air passage Is there any short circuit YES Provide sufficient air passage z Check the air filter Clean the air filter Is the air filter dirty z Check dust accumulation on the indoor unit heat exchanger YES e Clean the indoor unit heat exchanger Is the indoor unit heat exchanger dirty z Check the indoor heat exchanger temperature sensor z Does it conform to the sensor characteristic chart e Replace the indoor unit PCB YES Defect in indoor unit e Replace the indoor unit PCB O 4 16 4 18 F11 Indoor Pipe Temperature Sensor Abnormality Malfunction Decision Conditions When cooling operation when indo
81. rge air flow Outdoor pipe temperature rise due to defective of outdoor fan motor Outdoor pipe temperature rise due to defective outdoor pipe temperature sensor Outdoor pipe temperature rise due to defective outdoor unit PCB Troubleshooting When F95 indication happens For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component Check the outdoor unit installation condition during cooling or soft dry operation Reinstall the outdoor unit i iation YES Is there any improper heat radiation Remove the obstacle s Clean the outdoor heat exchanger NO Is outdoor fan motor operating NO Replace the outdoor fan motor YES Check the outdoor pipe temperature sensor Does it conform to the sensor NO characteristic charts Replace compressor YES Replace outdoor unit 70 16 4 24 F96 Overheating Malfunction Decision Conditions During operating of cooling and heating when IPM temperature data 212 F is detected by the IPM temperature sensor Malfunction Caused IPM overheats due to short circuit of hot discharge air flow IPM overheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor Troubleshooting breakdown always switch off the power When F96 indication happens For safety reason and to prevent component Ca
82. ring thermo OFF condition indoor intake temperature is less than 50 F or Compressor stops for freeze prevention control o Either one of the conditions above occurs 5 times in 60 minutes e Control contents o Operation stops o Timer LED blinks and 99 indicated 14 2 5 Dew Prevention Control 1 To prevent dew formation at indoor unit discharge area This control will be activated if o Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled o When Cooling or Dry mode is operated more than 20 minutes or more e This control stopped if o Compressor stopped o Remote control setting changed fan speed temperature o Outdoor air temperature and indoor intake temperature changed Fan speed angle of louver vertical airflow angle will be adjusted accordingly in this control 1 Fan speed will be increased slowly when control is activated until predetermine value Compressor frequency will be regulated accordingly 14 2 6 Protection Control For Heating Operation 14 2 6 1 Intake Air Temperature Control Compressor will operate at limited freq if indoor intake air temperature is 95 C or above 39 14 2 6 2 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rise above 57 2 in order to avoid compressor overloading Current Regulated 57 2 52 6 Free within maximum limit Outdoor Air Temperature
83. sensor sensor open or short circuit lead wire and connector abnormality H16 Outdoor current Current transformer faulty or Outdoor PCB faulty or transformer CT compressor faulty compressor faulty abnormality H19 Indoor fan motor Continuous Indoor fan motor lock or Fan motor lead wire and merchanism lock happen for 7 times feedback abnormal connector Fan motor lock or block H23 Indoor heat exchanger Continuous for 5s Indoor heat exchanger Indoor heat exchanger temperature sensor temperature sensor open or temperature sensor lead wire and abnormality short circuit connector H27 Outdoor air temperature Continuous for 5s Outdoor air temperature Outdoor air temperature sensor sensor abnormality sensor open or short circuit lead wire and connector H28 Outdoor heat exchanger Continuous for 5s Outdoor heat exchanger Outdoor heat exchanger temperature sensor 1 temperature sensor 1 open temperature sensor 1 lead wire abnormality or short circuit and connector H30 Outdoor discharge pipe Continuous for 5s Outdoor discharge pipe Outdoor discharge pipe temperature sensor temperature sensor open or temperature sensor lead wire and abnormality short circuit connector H32 Outdoor heat exchanger Continuous for 5s Outdoor heat exchanger Outdoor heat exchanger temperature sensor 2 temperature sensor 2 open temperature sensor 2 lead wire abnormality or short circuit and connector H33 Indoor outdoor Indoor and outdoor rated Indoor and
84. sis Method 48 17 Disassembly and Assembly Instructions 75 17 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 75 18 Technical Data 79 18 1 Operation Characteristics 79 19 Exploded View and Replacement Parts 3 _3 lt ___2 _ ____ ___ 87 191 Indoor nib o ttes 87 19 2 Outdoor 89 1 Safety Precautions Read the following SAFETY PRECAUTIONS carefully before perform any servicing Electrical work must be installed or serviced by a licensed electrician Be sure to use the correct rating of the power plug and main circuit for the model installed The caution items stated here must be followed because these important contents are related to safety The meaning of each indication used is as below Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications A WARNING This indication shows the possibility of causing death or serious injury A CAUTION This indication shows the possibility of causing injury or damage to properties The items to be followed are classified by the symbols This symbol denotes item that is PROHIBITED from doing
85. sor Abnormality Malfunction Decision Conditions e During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors Malfunction Caused e Faulty connector connection e Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection Turn off the power For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component NO Is the connector connection normal Y Connector poor contact Correct the connection YES Check the connector connection Check the outdoor air temperature sensor Plug out connector from the outdoor unit Measure the resistance of the outdoor air temperature sensor Is the measured resistance of the outdoor air temperature sensor matches the value specified in its characteristic 5 chart e Replace the outdoor air temperature sensor Defect in outdoor air temperature sensor on Defect in outdoor unit PCB Replace the outdoor unit PCB Sensor Thermistor Characteristics 70 Outdoor Air Sensor Outdoor Heat Exchanger 60 Hh Sensor Resistance p D 14 32 50 68 86 104 122 Temperature F 55 16 4 9 H28 Outdoor Pipe Temperature Sensor Abnormality Mal
86. start operation for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time e From above judgment the decided operation will start operation earlier than the set time as shown below Indoor intake air Indoor intake air temperature F temperature 15 min 25 min 86 59 10 min 30 min 77 41 5 min 35 min gt Outdoor air gt Outdoor air 86 95 F temperature F 32 HEE temperature F Cooling Soft Dry Heating 12 8 2 OFF Timer Control OFF Timer be set using remote control the unit with timer set will stop at set time 12 9 Auto Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes e This type of control is not applicable during ON OFF Timer setting 33 12 10 Indication Panel POWER TIMER QUIET POWERFUL Green Orange Orange Orange LED Color Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Note If POWER LED is blinking the possible operation of the unit are Hot Start during Deice operation operation mode judgment or ON
87. t 100 4 T lt 57 2 or I 2 82 4 Indoor heat exchanger F lt 86 gt 32 14 2 Protection Control For Cooling amp Soft Dry Operation 14 2 1 compressor overloading Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rise above 57 2 F in order to avoid 38 100 4 98 6 Limited Frequency 1 4 Outdoor air temperature 1 4 F 14 2 2 Cooling Overload Control e Pipe temperature limitation restriction o Detects the outdoor pipe temperature and carry out restriction limitation below Limit the compressor operation frequency o compressor stops if outdoor pipe temperature exceeds 141 8 F o If the compressor stops 4 times in 20 minutes Timer LED blinks F95 indicated Outdoor high pressure rise protection 14 2 3 Freeze Prevention Control 1 e When indoor heat exchanger temperature is lower than 32 F continuously for 6 minutes compressor will stops operation e Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 41 F At the same time indoor fan speed will be higher than during its normal operation I the indoor heat exchanger temperature is higher than 55 4 F for 5 minutes the fan speed will return to its normal operation 14 2 4 Freeze Prevention Control 2 e Control start conditions o During Cooling operation and soft dry operation Du
88. t the rear of chassis as shown in the illustration for future reinstallation Left and 2 bottom covers for piping Right and Right Bottom piping Tape it with piping in a position as mentioned in Fig below Cover for Cover for the the left bottom piping piping Cover for Drain hose the right piping Install the indoor unit Hooks at FLA installation Hook the indoor unit onto the upper plate portion of installation plate Engage the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Secure the Indoor Unit 1 Press the lower left and right side of the unit against the installation plate until hooks engages with their slot sound click Sleeve for piping hole 127 Piping 11 Drain hose Unit s Installation hook plate To take out the unit push the marking at the bottom unit and pull it slightly towards you to disengage the hooks from the unit marking Insert the connection cable Connection cable Gas side piping Liquid side piping Drain hose Rely Connection cable Guide surface This can be used for left rear piping and bottom piping also Replace the drain hose Rear view for left piping installation
89. th the screws 11 For wire stripping and connection requirement refer to instruction 11 2 4 of indoor unit A WARNING Indoor g This equipment must be properly earthed outdoor e Earth lead wire shall be Yellow Green Y G in colour and shall connection be longer than other lead wires as shown in the figure for electrical safety in case of the slipping reason 11 3 3 2 Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is the room where dew may form please increase the insulation by using POLY E FOAM with thickness 1 4 or above 28 12 Operation Control 12 1 Basic Function Inverter control which equipped with a microcomputer in determining the most suitable operation mode as time passes automatically adjusts output power for maximum comfort always In order to achieve the suitable operation mode the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that judging the condition according to internal setting temperature and intake air temperature 12 1 4 Internal Setting Temperature Once the operation starts remote control
90. timer sampling f Timer LED is blinking there is an abnormality operation occurs 34 13 Operation Control For Multi Split Connection During multi split connection indoor unit s operation controls are same with single split connection unless specified in this chapter 13 1 Cooling operation 13 1 1 Thermostat control e Capability supply to indoor unit is OFF Expansion valve closed when Intake Air Temperature Internal setting temperature 28 4 F e Capability resume supply to indoor unit after waiting for 3 minutes if the Intake Air temperature Internal setting temperature Capability supply OFF point 13 2 Soft Dry Operation 13 2 1 Thermostat control Capability supply to indoor unit is OFF Expansion valve closed when Intake Air Temperature Internal setting temperature lt 26 6 F e Capability resume to indoor unit after waiting for 3 minutes if the Intake Air temperature Internal setting temperature Capability supply OFF point 13 3 Heating Operation 13 3 1 Thermostat control e Capability supply to indoor unit is OFF Expansion valve closed when Intake Air Temperature Internal setting temperature gt 33 8 F e During this condition the indoor fan is stopped if compressor is ON e Capability resume supply to indoor unit after waiting for 3 minutes if the Intake Air Temperature Internal setting temperature lt Capability supply OFF point 13 3 2 Temperature Sampling
91. tion Caused e Wrong wiring connection e Faulty sensor e Faulty expansion valve Troubleshooting When 17 indication happens For safety reason and to prevent A component breakdown always switch Caution off the power before remove and Check the system wiring connection connect the component Is the wiring connection ok NO e Perform Auto Wiring to correct the wiring connection YES Check the indoor intake air and indoor pipe temperature sensors ie NO Replace the indoor intake air or indoor Does it conform to the sensor characteristic chart pipe temperature sensor YES Check the expansion valve YES LN the expansion valve Replace the solenoid coil or expansion valve NO Replace outdoor unit PCB 6 16 4 20 F90 Power Factor Correction Protection Malfunction Decision Conditions e During startup and operation of cooling and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal high DC voltage level Malfunction Caused DC voltage peak due to power supply surge DC voltage peak due to compressor windings not uniform e Faulty outdoor PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always Caution Switch off the power before remove Check the supply voltage and connect the component N Supply voltage as specified Correct the power supply YES Oper
92. ton e Timer off activates Quiet button is pressed again When quiet operation is stopped operation is shifted to normal operation with previous setting When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed When operation mode is changed quiet operation is shifted to quiet operation of the new mode During quiet operation if timer on activates quiet operation maintains After off when on back quiet operation is not memorised 32 Control contents o Fan speed auto Indoor FM RPM depends on pipe temperature sensor of indoor heat exchanger Auto fan speed is changed from normal setting to quiet setting of respective fan speed This is to reduce sound of Hi Me Lo for 3dB o Fan speed manual Manual fan speed for quiet operation is 1 step from setting fan speed 12 7 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift lower up to 35 6 F for Cooling Soft Dry or higher up to 38 3 F for Heating than remote control setting temperature for 20 minutes to achieve the setting temperature quickly 12 8 Timer Control 12 8 1 ON Timer Control ON Timer can be set using remote control where the unit with timer set will start operation earlier than the setting time This is to provide a comfortable environment when reaching the set ON time 60 minutes before the set ON time indoor at fan speed of Lo and outdoor fan motor
93. uble pole switch with a minimum 3 0 mm contact gap Do not release refrigerant during piping work for installation servicing reinstallation and during repairing a refrigerant parts Take care of the liquid refrigerant it may cause frostbite Installation or servicing work It may need two people to carry out the installation or servicing work 10 Do not install this appliance in a laundry room or other location where water may drip from the ceiling etc 11 Do not sit or step on the unit you may fall down accidentally 12 Do not touch the sharp aluminium fins or edges of metal parts If you are required to handle sharp parts during installation or servicing please wear hand glove Sharp parts may cause injury QOO 2 Specification CS E9NKUAW CS E12NKUAW CU E9NKUA CU E12NKUA Power Suppl Phase He Single 60 Single 60 ower Supply m 255 A x pos pec we e MX kW Capacity Running Current Input Power EER Btu hW Power Factor 96 dB A 40 25 20 40 25 20 43 28 20 43 28 20 Indoor Noise LI L QLo Power Level dB 561 1 56 59 59 dB A 471 1 471 1 48 1 1 48 Outdoor Noise L QLo Power Level dB 62 62 63 63 3 27 3 27 4 05 4 05 Running Current Input Power COP Btu hW Power Factor 96 dB A 42 29 26 42
94. uiet cooling operation compare to normal operation Control condition o Quiet operation start condition When Quiet button at remote control is pressed Quiet LED illuminates o Quiet operation stop condition When one of the following conditions is satisfied quiet operation stops e Powerful button is pressed e Stop by OFF ON button OFF Timer activates Quiet button is pressed again When quiet operation is stopped operation is shifted to normal operation with previous setting When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed When operation mode is changed quiet operation is shifted to quiet operation of the new mode During quiet operation if ON timer activates quiet operation maintains After off when on back quiet operation is not memorised Control contents o Auto fan speed is change from normal setting to quiet setting of respective fan speed This is to reduce sound of Hi Me Lo for o Manual fan speed for quiet operation is 1 step from setting fan speed 12 6 Quiet Operation Heating Purpose o provide quiet heating operation compare to normal operation e Control condition o Quiet operation start condition When Quiet button at remote control is pressed Quiet LED illuminates o Quiet operation stop condition When one of the following conditions is satisfied quiet operation stops e Powerful button is pressed e Stop by OFF ON but
95. ution before remove and connect the component Check the outdoor unit installation condition during cooling or soft dry operation 7 np Reinstall the outdoor unit YES Is there any improper heat radiation Remove the obstacle s Clean the outdoor heat exchanger NO Is outdoor fan motor operating NO Replace the outdoor fan motor YES Defect IPM Replace the outdoor unit 71 16 4 25 F97 Compressor Overheating Malfunction Decision Conditions During operation of cooling and heating when compressor tank temperature data 233 6 F is detected by the compressor tank temperature sensor Malfunction Caused Refrigerant shortage refrigerant leakage e 2 3 way valve closed Detection error due to faulty compressor tank temperature sensor Troubleshooting When F97 indication happens Check the compressor tank temperature sensor Does it conform to the sensor characteristic chart YES 2 3 way valve closed NO Check for gas leakage Is Oil oozing out from the 2 3 way valve NO Capillary tube or dryer clogged NO Charge a specified amount of fresh refrigerant Refrigerant cycle abnormality error happens again NO NO YES YES YES YES 72 For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component Replace the compressor tank temperature sensor Open the 2 3
96. ver KA Do not adjust by hand 4 2 Outdoor Unit Air inlet rear Air inlet side Air outlet 4 3 Remote Control AIR CONDITIONER LI AUTO LI Remote control display 2 e ien OFF ON MODE FAN SPEED Operation mode as 5 Fan speed selection TEMP AIRSWING Temperature setting QUIET POWERFUL Vertical air flow Quiet operation S2_ EH direction selection i Powerful operation Timer setting 5 Dimensions 5 1 Indoor Unit Top View Side View Side View Airintake 8 1 16 direction _ TN o n e A 2 6 Y LL SS Ll 1 Left piping Air outlet 34 9 32 Right piping hole direction hole Bottom View Remote Control 1 7 8 718 TI x Rear View I _ 1 5 8 2 3 8 16 1 8 x Remote Control Holder tg 5 j 4 al m 2 0 ay 8 1 Gas side Liquid side Relative position between the indoor unit and the installation polate lt FrontView gt 5 8 Installation plate Indoor unit external 9 dimensions o line 10 5 2
97. way valve Repair the pipe flare or union nuts Reclaim and recharge refrigerant Replace the capillary tube or dryer Replace outdoor unit Replace outdoor unit compressor 16 4 26 F98 Input Over Current Detection Malfunction Decision Conditions During cooling and heating operation when an input over current 16 8A is detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Over current due to compressor failure Over current due to defective outdoor unit PCB Over current due to defective inverter main circuit electrolytic capacitor Over current due to excessive refrigerant Troubleshooting When 98 indication happens For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component Get restarted and measure the input current Is Input current gt 16 8A NO Replace the outdoor unit YES Turn off power supply Check the main circuit electrolytic capacitor Normal YES Repair the pipe flare or union nuts Reclaim and recharge refrigerant NO Check refrigerant amount NO Excess refrigerant YES Reclaim and recharge with correct amount of refrigerant NO e Replace outdoor unit PCB Replace outdoor unit compressor 73 16 4 27 F99 Output Over Current Detection Malfunction Decis

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