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Panasonic Air Conditioner

1. Plate fin configuration forced draft type Tube Material Copper Fin Material Row Stage Aluminum Pre Coat 2 36 19 Air Volume High 41 7 Refrigerant Control Device Expansion Valve Refrigerant Oil FV50S Refrigerant R410A 2 64k Dry Bulb Wet Bulb Indoor Operation Range Outdoor Operation Range Note Specifications are subject to change without notice for further improvement Maximum 32 23 Cooling Minimum 16 11 Maximum Heating 30 Minimum Maximum Cooling 16 Minimum Maximum Heating Minimum 10 2 5 CU 4E23LBE OUTDOOR UNIT Indoor Unit Combination 2 0kW 2 0kW 2 0kW 5 0kW Power Source 1 Phase 230V 50Hz Power supply from outdoor unit Cooling Operation Capacity kW 6 8 1 9 8 8 23200 6480 30000 Running Current Electrical Power Input Data A kW 7 5 1 68 0 34 2 47 EER W W 4 05 5 59 3 56 Sound Pressure Level Noise Sound Power Level dB A H L dB H L 48 62 Heating Operation Capacity kW 8 6 3 0 10 6 BTU h 29300 10200 36100 Running Current A 8 6 Electrical Data Power Input kW 1 85 0 58 2 60 COP Sound Pressure Level Noise W W dB A H L 4 65 5 17 4 08 49
2. 10 1 Indoor Unit 10 2 Outdoor Unit 11 Installation Instruction 11 1 Select The Best Location 11 2 Indoor Outdoor Unit Installation Diagram 11 3 Indoor Unit 11 4 Outdoor Unit 12 Operation and Control 12 1 Basic Function 12 2 Airflow Direction 12 3 Quiet operation Cooling Mode Cooling area of Soft Dry Mode 12 4 Powerful Mode Operation 12 5 Timer Control 12 6 Auto Restart Control 12 7 Indication Panel 12 8 Drain Pump Control Operation 13 Protection Control 13 1 Protection Control For All Operations 13 2 Protection Control For Cooling amp Soft Dry Operation 13 3 Protection Control For Heating Operation 14 Servicing Mode 1
3. SW W SW Remote Control Remote Control PCB Front view Back view Battery LCD compartment gt Jumper J A Normally short Jumper J B Small i Normally open mall opening JA JB Remo Con No Short Open A Default Open Open B Short Short C Open Short D CHECK ITEMS Is there any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connections Is the connecting cable being fixed to the terminal board firmly Is the connecting cable being clamped firmly Is the drainage OK Is the Earth wire connection properly done HAND OVER Is the cooling heating operation normal Is the indoor unit properly secured to the installation plate Is the power supply voltage complied with rated value Is there any abnormal sound Is the thermostat operation normal Is the remote control s LCD operation normal Teach the customer the operation and maintenance procedures using the operation manual air filter cleaning temperature control etc As to parts to be sold separately With regards to installation of the parts sold separately follow the installation manual which is provided with the parts sold separately 43 12 Operation and Control 121 Basic Function Inverter control which equipped with a microco
4. 2 4 CU 3E18LBE OUTDOOR UNIT Indoor Unit Combination 2 0kW 2 0kW 5 0kW Power Source 1 Phase 230V 50Hz Power supply from outdoor unit Cooling Operation Capacity kW 52 1 8 7 3 17700 6140 24900 Running Current Electrical Data Power Input A kW 1 20 0 36 2 18 W W 4 33 5 00 3 35 Sound Pressure Level Noise Sound Power Level dB A H L dB H L 46 60 Heating Operation Capacity kW 6 8 1 6 8 3 BTU h 23200 5460 28300 Running Current A 6 5 Electrical Data Power Input kW 1 40 0 32 2 11 COP Sound Pressure Level Noise W W dB A 4 86 5 00 3 93 47 Sound Power Level dB 61 Maximum Current 15 2 Starting Current 6 5 Circuit Breaker Capacity 16 Dimension 795 875 95 320 Net Weight Connection Cable 71 3 1 Earth 21 5 mm Pipe Length Range 1 room 3 25 Maximum Pipe Length Total Room 50 Refrigerant Pipe Diameter Liquid Side 6 35 1 4 Gas Side 9 52 3 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output 1 30k Air Circulation Type Propeller Fan Motor Type DC Motor 8 poles Rated Output 60 Fan Speed High Cooling Heating 580 580
5. 97 C Compressor Frequency Reduced 110 C 96 C Compressor Frequency Maintain 100 C 90 C Comp Top temperature 13 2 Protection Control For Cooling amp Soft Dry Operation 13 2 1 Outdoor Air Temperature Control The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below This control will begin 1 minute after the compressor starts Compressor frequency will adjust base on Outdoor Air Temperature 25 C 22 C Limited frequency Outdoor Air Temperature 52 13 2 2 Cooling Overload Control i Pipe temperature limitation restriction Detects the Outdoor pipe temperature and carry out below restriction limitation Limit the compressor Operation frequency The compressor stop if outdoor pipe temperature exceeds 63 C If the compressor stops 4 times in 20 minutes Timer LED blinking F95 outdoor high pressure rise protection 13 2 3 Dew Prevention Control 1 1 To prevent dew formation at indoor unit discharge area 2 This control activated if Outdoor air temperature and Indoor pipe temperature judgment by microcontroller if fulfilled When Cooling or Dry mode is operated more than 20 minutes or more 3 This control stopped if Compressor stopped Remote control setting changed fan speed temperature Outdoor air temperature and indoor intake temperature changed 4 Fan speed angle of louver vertical airflow a
6. Indoor Unit CS E10KB4EA CU E10HBEA Order No PHAAM1003091C2 Service Manual Air Conditioner Outdoor Unit Please file and use this manual together with the service manual for Model No CU 2E15LBE CU 2E18LBE CU 3E18LBE CU 4E23LBE Order PHAAM1003090C3 and CS ME10CKPG CS ME12CKPG CS ME14CKPG CS ME18CKPG CS ME7CKPG CU 2E15CBPG CU 2E18CBPG CU 3E23CBPG CU 4E27CBPG Order No RAC0209005C2 A 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 product or 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 refrigeration circuit TABLE OF CONTENTS PAGE 1 Safety PrecautionS 3 2 Specifications 5 2 1 CS E10KB4EA CU E10HBEA 5 2 2 CU 2E15LBE 8 2 3 CU 2E18LBE
7. 109 1 97 2 21 3 3 10 5 3 1 3 0 8 60 31 10 6 L 10 6 10 6 T 227 2620 17 CU 4E27CBPG Outdoor Uni l h MOISTURE REMOVAL VOLUME kih CLASS CONSUMPTION lt lt lt m lt lt lt ec lt lt lt lt lt in mim m lt m mim lt lt lt en en ni nem nn een lt lt i lt lt lt i lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt i tonne H ASS SS Vas 2 9 2 2 2 unt 8 i E EE RES paging 5 TOUT TET TT ai oe Cooling Sa Sa I aa RRAS Indoor unit capacity 20 20 20 20 20 20 20 32 32 32 40 18 Indoor unit capacity F wer 4 ANNUAL ENERGY Current MOISTURE REMOVAL VOLUME Heating kWh 2307 A l h 420 3 85 0 1 00 Room 3 50 60 10 40 0 0 50 30 20 80 25 0 25 50 25 0 2 25 5 50 25 6 00 Room 53 3 4 28 4 9
8. 11 3 3 REFRIGERANT PIPING Refrigerant is charged to the outdoor unit For details see the manual for installation work of outdoor unit Additional charging etc 1 Brazing for piping a Execute brazing before tightening the flare nut b Brazing must be executed while blowing nitrogen gas This prevents generation of oxidized scale in copper pipe 2 When there is a lot of brazings for long piping install a strainer midway of the piping The strainer is locally supplied 3 Use clean copper pipe with inner wall surface free from mist and dust Blow nitrogen gas or air to blow off dust in the pipe before connection piping 4 Form the piping according to its routing Avoid bending and bending back the same piping point more than three times This will result in hardening of the pipe 5 After deforming the pipe align centers of the union fitting of the indoor unit and the piping and tighten them firmly with wrenches 6 Connect pipe to the service valve or ball valve which is located below the outdoor unit 7 After completed the piping connection be sure to check if there is gas leakage in indoor and outdoor connection Red mark e Confirm the red mark of the union thin side is always at lower direction after connecting Vacuum drying After completing the piping connection execute vacuum drying for the connecting piping and the indoor unit The vacuum drying must be carried out by using the se
9. Sound Power Level dB 63 Maximum Current A 15 6 Starting Current A 8 6 Circuit Breaker Capacity A 20 Dimension mm mm 795 875 95 mm 320 Net Weight Connection Cable 72 3 1 Earth 21 5 mm Pipe Length Range 1 room 3 25 Maximum Pipe Length Total Room 60 Refrigerant Pipe Diameter Liquid Side 6 35 1 4 Gas Side 9 52 3 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output 1 30k Air Circulation Type Propeller Fan Motor Type DC Motor 8 poles Rated Output 60 Fan Speed High Cooling Heating 600 620 Heat Exchanger Type Plate fin configuration forced draft type Tube Material Copper Fin Material Row S tage Aluminum Pre Coat 2 36 19 Air Volume High Cooling Heating 42 5 44 1 Refrigerant Control Device Expansion Valve Refrigerant Oil FV50S Refrigerant R410A 2 46k Dry Bulb Wet Bulb Indoor Operation Range Outdoor Operation Range Note Specifications are subject to change without notice for further improvement Maximum 32 23 Cooling Minimum 16 11 Maximum Heating 30 Minimum Maximum Cooling 16 Minimum Maximum Minimum 11 2 6 CU 4E27CBPG
10. un 27 2 1109 KX Xs SAN Ona 1 2 91 LINN HOOQNI OL N 7 11 LHM 27 it Di I Cul 9 Electronic Ci 9 1 iagram Indoor Uni 500 YOSNIS WAL 0566 YOSNIS dWIL YIV MS1vO NnH 1831 ma coMS 09 29 lt o 06 02 OL 0 OL O duiej diq 1 106495 TVOLLYJA TVOILYJA osee 502 Z YOSNIS dW31 3dld 10003398HI8 e N o 18 L 13938 49079 NIV H3TIOMINOO 19313 dSIQ NO 0 9627 1314 402 AVIdSIG L ee eoov 318 3409 N39 109 LHM 2007 AST MOLD 919 2 819 1 5 lo 600 A ddng YSL EL 104504 uss LYLINYA NO LINN OL 28 Outdoor Uni 9 2 5 Jaye
11. H14 Indoor intake air temperature sensor abnor Continue for 5 sec Intake air temperature sensor mality defective or disconnected H15 Outdoor compressor temperature sensor Continue for 5 sec Compressor temperature sensor abnormality defective or disconnected H16 Outdoor Current Transformer open circuit IPM Power transistor module H19 Indoor fan motor merchanism lock Indoor PCB Fan motor H21 Indoor float switch operation abnormal H23 Indoor heat exchanger temperature sensor 1 Continue for 5 sec Heat exchanger temperature sensor abnormality Cooling only 1 defective or disconnected H24 Indoor heat exchanger temperature sensor 2 Continue for 5 sec Heat exchanger temperature sensor abnormality 2 defective or disconnected H27 Outdoor air temperature sensor abnormality Continue for 5 sec defective disconnected H28 Outdoor heat exchanger temperature sensor Continue for 5 sec Outdoor heat exchanger temperature abnormality sensor defective or disconnected H30 Discharge temperature sensor abnormality Continue for 5 sec Discharge temperature sensor H33 Indoor Outdoor wrong connection Indoor Outdoor supply voltage H35 Indoor drain water adverse current abnormal H38 Indoor Outdoor mismatch H97 Outdoor Fan Motor lock abnormality 2 times occurrence
12. Outdoor PCB within 30 minutes Outdoor Fan Motor H98 Indoor high pressure protection Air filter dirty Air circulation short circuit H99 Indoor heat exchanger anti freezing Insufficient refrigerant protection Air filter dirty F11 Cooling Heating cycle changeover 4 times occurrence 4 way valve abnormality within 30 minutes V coil F90 PFC control 4 times occurrence Voltage at PFC within 10 minutes F91 Refrigeration cycle abnormality 2 times occurrence No refrigerant within 20 minutes 3 way valve is closed F93 Outdoor compressor abnormal revolution 4 times occurrence Outdoor compressor within 20 minutes F95 Cool high pressure protection 4 times occurrence Outdoor refrigerant circuit within 20 minutes F96 IPM power transistor overheating protection Excess refrigerant Improper heat radiation IPM Power transistor F97 Outdoor compressor overheating protection 4 times occurrence Insufficient refrigerant within 20 minutes Compressor F98 Total running current protection 3 times occurrence Excess refrigerant within 20 minutes Improper heat radiation F99 Outdoor Direct Current DC peak detection 7 times occurrence Outdoor PCB continuously IPM Power transistor Compressor 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 beep sound heard fo
13. 8 5 E ol 5 05 008 0396 v 30 josuag loo YOSNAS dWAL 1 1109 yea Joopino AL Josueg J00pino ou A um SIN 0821 9 YOOALNO 2 2 JOSUBS Zhe 013513 ZVEOLONYH 20 K 5 102 NEM E viva IE SSSSSNNNN 100 ww LHM ng 2 L 7 21 LAYS Ny FN gt x 24 LHM HOLOV3H LINN HOOQNI OL ox aouejsisoy 29 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board m 2 8 Y J 7 J 2 X AY Lr 1 Li 2 ZJN 30 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board 31 10 2 2 CPU Printed Circuit Board 32 11 Installation Instruction 11 1 Select The Best Location 11 2 Indoor Outdoor Unit Installation OUTDOOR UNIT Diagram If an awning is built over the unit to prevent direct sunlight rain be careful that heat radiation from the condenser is not obstructed Installation parts you should purchase There should not be any animal or plant which could be 5 Sleeve e gt Bushing Sleeve X affected by hot air disch
14. YES Turn off power supply Check the main circuit electrolytic capacitor i B Normal YES Repair the pipe flare or union nuts Reclaim and recharge refrigerant NO Check refrigerant amount NO amount of refrigerant NO e X Replace outdoor unit compressor 82 15 5 23 F99 Output Over Current Detection Malfunction Decision Conditions During operation of cooling and heating when an output over current 20 2A 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 breakdown always switch off the power When F99 indication happens For safety reason and to prevent component A Caution before remove and connect the component Get restarted and measure the input current 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 Are the compressor s winding resistance YES U V V W or U W shorted Replace compressor NO Input current gt 20 2A NO e Replace the outdoor unit PCB Compressor defective due to winding shorted Outdoor electronic circuit defect due to power transistor short Replace the outdoor unit PCB Checking the power transistor
15. 1 FRONT GRILLE COMPLETE 1 1103105 2 FRONE FRONT GRILLE 1 CWE11C3353 4 A S MOTOR DC SINGLE 12V 250 OHM 2 CWA981105J 5 BRACKET A S MOTOR 1 CWD932522 6 VANE 4 CWE241159 7 SHAFT 6 CWH631038 8 SHAFT 2 CWH631045 9 CONNECTOR SHAFT 4 CWH081007 10 BEARING 6 CWH641008 12 PLATE COVER FOR A S MOTOR 1 CWD911459 13 PLATE COVER FOR CONNECTING SHAFT 2 CWD911460 14 PLATE COVER FOR END SHAFT 1 CWD911461 21 ELECTRONIC CONT RECEIVER amp INDICATOR 1 CWA743610 22 LEAD WIRE COMPLETE 1 CWA67C5576 24 INTAKE GRILLE 1 CWE221131 28 LEVER ARM 2 CWH651029 29 AIR FILTER 1 CWD001142 Note All parts are supplied from PHAAM Malaysia Vendor Code 061 0 marked parts are recommended to be kept in stock 96 18 3 Outdoor Unit Kr BS Oey Q cy QOS 2 5 J cc rl s E NY eK JJ um 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 97 lt Model CU E10HBEA gt REF NO DESCRIPTION amp NAME QTY CU E10HBEA REMARKS 1 CHASSY ASS Y 1 CWD50K2176 3 FAN MOTOR BRACKET 1 CWD541089 4 SCREW FAN MOTOR BRACKET 3 CWH551217 5 FAN MOTOR 1 ARW44W8P40AC 6 SCREW FAN MOTOR MOUNT 4 CWH55252J 7 PRO
16. 9 2 4 CU 3E18LBE 10 2 5 CU 4E23LBE 11 2 6 CU 4E27CBPQ 12 Features 20 4 Location of Controls and Components 21 Panasonic PAGE 4 1 Indoor Unit 21 4 2 Outdoor Unit 21 4 3 Remote Control 21 5 Dimensions 22 5 1 Indoor Unit amp Remote Control 22 5 2 Outdoor Unit 23 6 Refrigeration Cycle Diagram 24 Block Diagram 25 8 Wiring Connection Diagram 26 8 1 Indoor Unit 26 Panasonic HA Air Conditioning M Sdn Bhd 2010 Unauthorized copying and distribution is a violation of law 8 2 Outdoor Unit 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 2 Outdoor Unit 10 Printed Circuit Board
17. Heat Exchanger Type Plate fin configuration forced draft type Tube Material Copper Fin Material Row Stage Aluminum Pre Coat 2 20 19 Air Volume High Cooling Heating 33 3 28 5 Refrigerant Control Device Expansion Valve Refrigerant Oil RB68A Freol Alpha68M Refrigerant R410A 1 45k Dry Bulb Wet Bulb Indoor Operation Range Outdoor Operation Range Note Specifications are subject to change without notice for further improvement Maximum 32 23 Cooling Minimum 16 11 Maximum Heating 30 Minimum Cooling 16 Minimum Maximum Heating Minimum 2 3 CU 2E18LBE OUTDOOR UNIT Indoor Unit Combination 3 2kW 3 2kW Power Source 1 Phase 230V 50Hz Power supply from outdoor unit Cooling Operation Capacity kW 5 2 1 5 5 4 17700 5120 18400 Running Current Electrical Power Input Data A kW 7 10 1 52 0 25 1 58 EER W W 3 42 6 00 3 42 Sound Pressure Level Noise Sound Power Level dB A H L dB H L 49 64 Heating Operation Capacity kW 5 6 1 1 7 2 BTU h 19100 3750 24600 Running Current A 5 35 Electrical Data Power Input kW 1 21 0 21 1 70 COP Sound Pressure Level Noise W W dB A H L 4 63 5 2
18. Never touch any live parts for at least 10 minutes after turning off the circuit breaker If unavoidable necessary to touch a live part make sure the power transistor s supply voltage is below 50V using the tester For the UVW make measurement at the Faston terminal on the board of the relay connector Tester s negative terminal Power transistor UVW Power transistor UVW Tester s positive terminal UVW Power transistor UVW Power transistor Normal resistance Several to several MQ Abnormal resistance 0 83 16 Disassembly and Assembly Instructions A WARNING High Voltage are generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed tis caution may result in electric shocks 16 1 Disassembly of Parts 1 Open the Intake Grille from the Front Grille by moving the catchers to center Fig 1 Front Grille Intake Grille Fig 1 2 Remove the Control Board Cover by removing the screws Fig 2 Screws Fig 2 3 Release the Fig 3 CN STM1 WHT connector CN STM2 YLW connector CN DISP WHT connector CN FM WHT connector CN TH1 WHT connector 2 2 BLU connector K w ee VIR CN DISP CN DRMTR 1 BLU connector ACO1 BLK 02 WHT and CN DRMTR2 RED from Ter
19. 66 CRANKCASE HEATER 1 CWA341050 Note All parts are supplied from PHAAM Malaysia Vendor Code 061 0 marked parts are recommended to be kept in stock 98 PHAAM Printed in Malaysia SFBZ1003 00
20. 7 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 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage CAUTION lf gauge needle does not move from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa in step above take the following measure If the leak stops when the piping connections tightened further continue working from step G If the leak does not stop when the connections retightened repair the location of leak Do not release refrigerant during piping work for installation and reinstallation Take care of the liquid refrigerant it may cause frostbite 41 11 4 5 CONNECT THE CABLE THE OUTDOOR UNIT FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT 1 Remove the control board cover from the unit by loosening the screw 2 Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1 5 mm flexible cord type designation 245 IEC 57 or heavier cord Outdoor Uni Colour of wires Terminal board Terminals on the outdoor unit Holder for Terminals on the knife switch power Supply amp Disconnecting means connecting cable 3 Secure the cable onto the control board with the holder IR A man cable ik ontto clamper board cover 4 Cable connection to the power supply through knife switch Disconnecting means
21. Indoor unit capacity Heating Total min max Rating max ANNUAL ENERGY CONSUMPTION kWh 2 00 220 Heatin _ 150 Current 230V_ A MOISTURE REMOVAL VOLUME 1 615 Room max ANNUAL ENERGY CONSUMPTION kWh Current 230V_ A Outdoor Unit CU 2E18LBE MOISTURE REMOVAL VOLUME 1 Room 2220 2 Room Indoor unit capacity Heating Room r Total 2 64 2 60 5 20 1 5 1580 Total Heating Capacity kW Input Power W COP ota Room A Room i min WW CLASS Indoor unit capacity Cooling Capacity kW Input Power W EER ANNUAL ENERGY Current MOISTURE REMOVAL VOLUME Cooling Sta Room A Room B Total min Rating min W W CLASS CONSUMPTION kWh 2307 20 20 2 00 11 1 2 9 750 3 85 260 2 45 Current 230V A MOISTURE REMOVAL VOLUME 1 Room 210 14 Outdoor Unit CU 3E18LBE Indoor unit capacity Total Cooling Capacity kW Input Power W EER ANNUAL ENERGY Current MOISTURE REMOVAL VOLUME Cooling Room A Room B Room C Total min Rating min W W CLASS CONSUMPTION kWh 230V 1 h 8 1
22. Once abnormality has occurred during operation the unit will stop its operation and Timer LED blinks Although Timer LED goes off when power supply is turned off if the unit is operated under a breakdown condition the LED will light up again operation after breakdown repair the Timer LED will no more blink The last error code abnormality will be stored in memory To make a diagnosis 1 Timer LED start to blink and the unit automatically stops the operation 2 Press the CHECK button on the remote controller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the or button on the remote controller The code 00 no abnormality will be displayed and signal will be transmitted to the main unit 5 Every press of the button up or down will increase abnormality numbers and transmit abnormality code signal to the main unit 6 When the latest abnormality code on the main unit and code transmitted from the remote controller are matched power LED will light up for 30 seconds and a 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 7 The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds
23. Outdoor Unit Holder for i Connect the approved polychloroprene sheathed power connecting cable Control board cover supply cable 3 x 1 5 mm type designation 245 IEC 57 or heavier cord to the terminal board and connect the other end of the cable to knife switch Disconnecting means Holder for power 5 For wire stripping and connection requirement refer to Supply cable CONNECT THE CABLE TO THE INDOOR E15HBEA Note Knife switch Disconnecting means should have E18HBEA minimum 3 5 mm contact gap 21 Secure the cable onto the control board with the holder clamper Power supply earth cable must connect to the left earth terminal 11 4 6 PIPE 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 in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above DISPOSAL OF OUTDOOR UNIT DRAIN WATER Ifa drain elbow is used the unit should be placed on a stand which is taller than 3 cm If the unit is used an area where temperature falls below 0 C for 2 or 3 days in succession it is recommended not to use drain elbow for the drain water freezes and the fan will not rotate Drain elbow gt Hose Install the hose a
24. 0 1 5 TSS 8 1 3 1 3 E T Indoor unit capacity Total Heating Capacity kW Input Power W COP ANNUAL ENERGY Current MOISTURE REMOVAL VOLUME Heating Room A Room B Room C Total min max Rating min W W 230V A l h 4 50 4 49 28 28 32 zi 2110 4 63 15 Outdoor Unit CU 4E23LBE unit capacity Cooling Capacity kW Input Power W min CONSUMPTION kWh 2 2 2 2 2 2 2 2 2 2 Room E PSII DI r 5 t DDD NININININ Room Room 7109 17340 2272460 17340 7 2460 D Ferrer hie hie hie ie 16 0 8 11 51 2 12 1 0 11 11 11 MOISTURE REMOVAL VOLUME Indoor unit capacity Heating Heating Capacity Input Power W Room B Room C Room D Total min Rating ANNUAL ENERGY CONSUMPTION kWh Current 230V A MOISTURE REMOVAL NE 1 Room Room Room 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 40 50
25. 30 50 60 70 u length m ipe length Total pipe length for maximum chargeless 20 20 30 30 40 length m Additional gas amount over 20 20 20 20 20 chargeless length g m Note Available Remarks for CU 2E15LBE CU 2E18LBE 1 At least two indoor units must be connected 2 The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of indoor unit as shown in the table above Example The indoor units combination below is possible to connect to CU 2E15LBE Total nominal capacity of indoor units is between 4 0kW to 5 6kW 1 Two CS E7LKEW only Total nominal cooling capacity is 4 0kW 2 One CS E7LKEW and one CS E9LKEW Total nominal cooling capacity is 4 5kW Remarks for CU 3E18LBE CU 4E23LBE CU 4E27CBPG 1 At least two indoor units must be connected 2 The total nominal cooling capacity of indoor units that will be connected to outdoor unit must be within connectable capacity range of indoor unit as shown in the table above Example The indoor units combination below is possible to connect to CU 3E18LBE Total nominal capacity of indoor units is between 4 5kW to 9 0kW 1 Two CS E9LKEW only Total nominal cooling capacity is 5 0kW 2 Three CS E12LKEW Total nominal cooling capacity is 9 6kW Outdoor Unit CU 2E15LBE Indoor unit capacity Cooling Cooling Capacity kW Input Power W
26. 8 28 5 50 8 28 5 90 5 4 0 i 32 4 0 i 32 5 0 i 40 4 0 i 40 5 0 2 50 4 40 2 20 2 1 1 20 2 0 4 20 2 0 4 20 2 0 4 20 2 0 4 2 0 4 3 0 4 3 0 4 3 0 4 20 2 0 4 2 0 4 20 3 0 4 20 3 0 4 20 3 0 4 2 0 4 3 0 5 3 0 5 2 0 5 3 0 5 20 3 0 5 660 20 3 0 5 00 25 3 4 4 10 25 2 4 4 10 2 40 4 10 5 2 0 4 30 2 0 4 io 3 25 3 4 H 10 Roon 25 3 0 24 10 2 0 4 30 2 2 0 4 0 25 3 0 5 25 3 0 5 2 0 5 25 3 0 5 28 3 0 5 25 3 0 5 3 4 4 28 3 40 4 28 2 0 4 28 2 0 4 28 3 0 5 28 8 0 5 2 0 5 28 3 0 5 28 3 0 5 28 3 0 5 32 3 9 5 2 40 5 32 2 0 5 32 3 0 5 32 3 0 5 32 3 0 5 40 8 39 5 40 2 40 5 20 2 0 i 5 20 2 0 5 20 2 0 5 20 2 40 i 5 20 1 0 5 1 0 5 20 2 0 5 26 2 0 5 20 i 0 5 20 1 10 5 20 L 9 5 20 1 0 5 20 L 0 5 20 1 0 5 20 1 0 512 0 1 0 5 20 1 0 5 20 1 0 5 20 Lh 9 5 20 1 0 5 20 2 0 5 20 3 2 0 5 20 2 2 0 5 20 0 0 5 20 0 i 0 5 20 i 2 0 5 20 5 2 0 5 2 3 2 0 5 3 1 0 5 20 9 2 0 5 20 T 2 0 5 2 T 1 0 5 5 1 0 9 40 5 20 5 1 507 9 40 5 20 4 2 55 9 40 5 20 108 2 80 9 40 5 2 116 2 30 0 5 2 126 2 15 0 5 2 2 12 2 70 9 40 5 4 A 0 120 2 1519 40 5 Room 2 0 130 2 65 9 40 5 2 0 128 2 5 9 40 5 2 32 16 2 40 6 2 0 124 2 40 6 50 134 2 40 6 0 1 2 0 6 5 1 2 0 5 8 10 2 0 5 2 107 2 0 5 0 415 2 0 5 0 15 1 0 5 106 2 0 5 2 10 2 5 0 118 Ez 5 0 128 im 5 2 14 2 5 0 122 L 50 132 El 5 0 130 1 5 8 109 2 5 2 13 2 5 0 121 5 50 131 12 5 2 n
27. Y A Cooling Soft Dry A amp C 4 95 15 06 Cooling Soft Dry B 4 43 15 06 Heating 6 21 15 06 4 The first 30 minutes of cooling operation A will be applied 102 C 39 C 101 C 38 C Outdoor air temperature 51 13 1 4 IPM Power transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 110 C compressor operation will stop immediately 2 Compressor operation restarts after three minutes the temperature decreases to 95 C B DC Peak Current Control 1 When electric current to IPM exceeds set value of 22 33 5 0 A the compressor will stop operate Then operation will restart after three minutes 2 If the set value is exceeded again more than 30 seconds after the compressor starts the operation will restart after two minutes 3 If the set value is exceeded again within 30 seconds after the compressor starts the operation will restart after one minute If this condition repeats continuously for seven times all indoor and outdoor relays will be cut off 13 1 5 Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor discharge temperature The changes of frequency are as below figure If compressor discharge temperature exceeds 112 C compressor will be stop occurs 4 times per 20 minutes timer LED will be blinking F97 is to be confirmed Compressor OFF 112 C
28. and connect the component Check the compressor tank temperature sensor Does it conform to the sensor NO e Replace the compressor tank characteristic chart temperature sensor YES 2 3 way valve closed YES e Open the 2 3 way valve NO Check for gas leakage Oil oozing out from the 2 3 way valve YES Repair the pipe flare or union nuts Reclaim and recharge refrigerant NO Capillary tube or dryer clogged YES e Replace the capillary tube or dryer NO Charge for a specified amount of fresh refrigerant Refrigerant cycle abnormality error again YES e Replace outdoor unit PCB Replace outdoor unit compressor NO Procedure complete 81 15 5 22 F98 Input Over Current Detection Malfunction Decision Conditions During operation of cooling and heating when an input over current 15 06A 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 F98 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 Input current 15 06A NO Replace the outdoor unit PCB
29. and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection For safety reason and to prevent e Turn off the power component breakdown always switch e Check the connector connection Caution off the power before remove and connect the component Is the connector connection normal 0 Connector poor contact e Correct the connection YES Check the outdoor discharge pipe temperature sensor e Plug out connector from the outdoor unit PCB Measure the resistance of outdoor discharge pipe temperature sensor Defect in outdoor discharge pipe temperature sensor Is the measured resistance of the outdoor discharge pipe temperature sensor matches the value specified in its characteristic chart e Replace the outdoor discharge pipe temperature sensor YES e Defect in outdoor unit PCB e Replace the outdoor unit PCB 71 15 5 12 H97 Outdoor Fan Motor DC 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
30. and the unit stops its operation 50 13 Protection Control 13 1 Protection Control For All Operations 13 1 1 Restart Control Time Delay Safety Control The Compressor will not turn on within 3 minutes from the moment operation stops although the unit is turned on again by pressing OFF ON button at remote control within this period This control is not applicable if the power supply is cut off and on again This phenomenon is to balance the pressure inside the refrigerant cycle 13 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 The reason for the compressor to force operation for minimum 30 seconds is to allow the refrigerant oil run in a full cycle and return back to the outdoor unit 13 1 3 Total Running Current Control 1 When the outdoor unit total running current AC exceeds X value the frequency instructed for compressor operation will be decreased 2 If the running current does not exceed X value for five seconds the frequency instructed will be increased 3 However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes E10HB Operation Mode X A
31. electronic controller be careful of electrostatic discharge 17 Technical Data 171 Operation Characteristics 17 1 1 CS E10KB4EA CU E10HBEA A COOL OUTDOOR TEMPERATURE CHANGE INDOOR TEMP 27 19 C REMOTE CON HI FAN COOL 16 C COMP Hz VOLTAGE 230V 240V o L 9 1600 23 u H nT 9 a 5 1400 lt 6 12 00 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C M E Q Cooling Capacity W 2200 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C 0 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C 1 150 MPa 1 100 a Gas Side Low Pressure 8 8 a 0 900 12 10 8 6 4 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 Outdoor Air Temperature C 87 B COOL PIPE LENGTH CHANGE INDOOR TEMP 27 19 C 35 C REMOTE CON HI FAN COOL 16 C COMP Hz Fe VOLTAGE 230V 240V Outlet Air Temperature C Current A Cooling Capacity W Gas Side Low Pressure MPa 17 0 15 0 2 4 6 8 10 12 14 16 18 20 22 Piping Length m 2600 2500 2400 10 12 14 16 18 20 22 Piping Length m 3 40 3 30 3 20 3 10 3 00 2 90 2 80 2 70 2 60 2 50 2 40 2 30 2 20 2 10 2 00 P
32. 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 Q This symbol denotes item that is PROHIBITED from doing 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 N WARNING 1 Do not modify the machine part material during repairing service 2 f 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 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
33. 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 Install 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 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 install 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
34. or operation the unit for 30 seconds 8 The LED will be off if the unit is turned off or the RESET button on the main unit is pressed To display memorized error Protective operation status 1 Turn power on 2 Press the CHECK button on the remote controller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER A or button on the remote controller The code 00 no abnormality will be displayed and signal will be transmitted to the main unit The power LED lights up If no abnormality is stored in the memory three beeps sound will be heard 5 Every press of the button up or down will increase abnormality numbers and transmit abnormality code signal to the main unit 6 When the latest abnormality code on the main unit and code transmitted from the remote controller are matched power LED will light up for 30 seconds and a 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 7 The breakdown diagnosis mode will be canceled 59 Self Diagnosis Function Three Digits Alphanumeric Code unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds 8 The same diagnosis can be repeated by turning power on again AUT
35. pexoeuo eq ued Joopino eui pue jo uonejedo e Z pue y Jaye S NO 5 Aq Kouenbei4 pun 29 e lt aunjesadway 0 02 00 08 09 Ov 02 any Sno YITIOYLNOO OINON1O313 D I ZAN 109 F t 900 9883 INYA 5 aT VO 0 a xv 9 8 2 400 9 22 Ed 3NON 6 EE 951 0 ZZ ano eL 199 E pM 9 1 5 4 ls 29 AS 2 093 1 1800 vo 3X 9 562 Fo sonsuejeJeu2 10jsiuueu 1 PIS C MA WS i Ed 4 0866 5709 7 Josueg dwa YOSNAS dW31 lt 5 1 4 ae YOLON 100 al x 5 lol lt 2 0912 2003 Xy 8058 Agee o oz 0 0 Ol 9 66 x 006 1 0819 n Se 21 l i 0L 35 49 1 2 0866 0709 Aiddng YOSNAS 8 1HAH
36. 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 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electric 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 16 Do not use unspecified cord modified cord joint cord or extension cord for power supply cord Do not share the single outlet with 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 D N WARNING 18 For R410A models when connecting the piping do not use any existing R22 pip
37. startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting Resistance When abnormality indication starts again For safety reason and to prevent Check the connector connection P component breakdown always switch Cautlon Turn off the power 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 e Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor heat exchanger temperature sensor Defectin 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 Defect in outdoor unit PCB e Replace the outdoor unit PCB Sensor Thermistor Characteristics Moutdoor Air Sensor Outdoor Heat Exchanger Sensor 10 0 10 20 30 40 50 Temperature C 70 15 5 11 H30 Compressor Discharge Temperature Sensor Abnormality Malfunction Decision Conditions During startup
38. 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 1 7 Outdoor Fan Motor Operation Outdoor fan motor is operated with 15 fan speed It starts when compressor starts operation and it stops 30 seconds after compres sor stops operation ON ON Compressor OFF ON Fan Speed ON Outdoor Fan hc 30 sec OFF 12 2 Airflow Direction 1 There is one type of airflow vertical airflow directed by horizontal vane 2 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 2 1 Vertical Airflow Operation Mode Airflow Direction Vane Angle 1 2 3 4 5 Heating Auto with Heat Exchanger A Downward fix 70 B Downward fix 70 Temperature C Upward fix 20 D Upward fix 20 Manual 20 33 45 58 70 Cooling Auto 20 70 Manual 20 33 45 58 70 Soft Dry Auto 20 70 Manual 20 33 45 58 70 46 1 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 depends on the indoor heat exchanger temperature as Figure 1 below When the air conditio
39. 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 Jumper J A Jumper B J B Remote Control No Short Open A Default 3 Short Short g Open Short D A o UR78PB1308A 56 15 Troubleshooting Guide 15 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 MPa kg cm G temperature C Cooling Mode 0 9 1 2 9 12 12 16 Heating Mode 2 3 2 9 23 29 36 45 Condition Indoor fan speed High Outdoor temperature 35 C at cooling mode and 7 C at heating mode Compressor operates at rated frequency Difference in the intake and outlet air temperatu
40. 0 19 0 C 2 50 0 62 19 5 C 2 72 1 97 0 58 2 55 1 89 0 62 2 37 1 82 0 67 2 15 1 73 0 72 22 0 C 2 97 2 04 0 59 2 77 1 96 0 63 2 58 1 89 0 68 2 35 1 81 0 73 TC Total Cooling Capacity kW Indoor 27 C 19 C SHC Sensible Heat Capacity kW Outdoor 35 C 24 C IP Input Power kW 91 18 Exploded View and Replacement Parts List 18 1 Indoor Unit 92 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 lt Model CS E10KB4EA gt REF NO PARTS NAME amp DESCRIPTION QTY CS E10KB4EA REMARKS 1 BASE PAN ASS Y 1 CWD52K1100 2 INNER POLYSTYRENE COMPLETE 1 CWG07C1047 3 CABINET SIDE PLATE ASS Y 1 CWE041121 4 CABINET SIDE PLATE ASS Y 1 CWE041122 5 LEAD WIRE FAN MOTOR 1 CWA67C5136 6 FAN MOTOR 1 EHDS50A40AC 7 ANTI VIBRATION BUSHING 3 CWH501065 8 CORD HOLDER 1 CWD741024 9 SCREW FAN MOTOR 3 CWH561058 11 TURBO FAN 1 CWHO03K1022 12 NUT for TURBO FAN 1 CWH561042 13 SP WASHER 1 14 WASHER 1 XWG8H22FJ 15 EVAPORATOR COMPLETE 1 CWB30C2522 16 FLARE NUT 1 27 1 CWT251031 17 HEATPROOF TUBE 1 CWG021024 18 HEATPROOF TUBE 1 CWG021064 19 FLARE NUT 1 4 1 CWT251030 21 PIPE COVER 1 CWD93C1050 22 SENSOR EVAPORATOR 1 CWA50C2549 23 HOLDER SE
41. 4 4 24 51 Sound Power Level dB 66 Maximum Current A 12 0 Starting Current A 7 1 Circuit Breaker Capacity A 15 Dimension mm mm 540 780 70 mm 289 Net Weight Connection Cable 38 3 1 Earth 21 5 mm Pipe Length Range 1 room 3 20 Maximum Pipe Length Total Room 30 Refrigerant Pipe Diameter Liquid Side 6 35 1 4 Gas Side 9 52 3 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output 1 50k Air Circulation Type Propeller Fan Motor Type DC Motor 8 poles Rated Output 40 Fan Speed High Cooling Heating 890 890 Heat Exchanger Type Plate fin configuration forced draft type Tube Material Copper Fin Material Row Stage Aluminum Pre Coat 2 20 19 Air Volume High Cooling Heating 34 5 31 0 Refrigerant Control Device Expansion Valve Refrigerant Oil RB68A Freol Alpha68M Refrigerant R410A 1 45k Dry Bulb Wet Bulb Indoor Operation Range Outdoor Operation Range Note Specifications are subject to change without notice for further improvement Maximum 32 23 Cooling Minimum 16 11 Maximum Heating 30 Minimum Maximum Cooling 16 m Minimum Maximum Heating Minimum
42. 4 1 Auto OFF ON Button 14 2 Select Remote Control Transmission Code 15 Troubleshooting Guide 15 1 Refrigeration Cycle System 15 2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric 15 3 Breakdown Self Diagnosis Function 15 4 Error Codes Table 15 5 Self diagnosis Method 16 Disassembly and Assembly Instructions 16 1 Disassembly of Parts 17 Technical Data 17 1 Operation Characteristics 17 2 Sensible Capacity Chart 18 Exploded View and Replacement Parts List 18 1 Indoor Unit 18 2 CZ BT20E Front Grille Complete 18 3 Outdoor Unit 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
43. 6 19 Indoor Fan Motor DC 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 feedback of rotation gt 2550rpm or lt 50rpm 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 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 Turn off power supply and rotate fan by hand connect the component NO Does fan rotate smoothly e X Replace fan motor YES Turn power supply on and operate fan Does it rotate YES Stop fan motor Turn off power supply and disconnect fan motor connector then turn power on Check the output of fan motor from indoor PCB Is the motor power supply voltage 325Vdc pin 1 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 7 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 genera
44. 9 8 20 65 6 WD O D Height Different m ft 15 0 49 2 M Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 10 0 32 8 Inner Diameter mm 30 Drain Hose Length mm 193 Fin Material Aluminium Pre Coat Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 2x10x18 Size W x H x L mm QUT Fin Material Aluminium Outdoor Heat Fin Type Corrugated Fin Exchanger Row x Stage x 2x24x17 Size WxHxL mm 18 19 x 504 x 713 Air Filter TRE Type Power Supply Outdoor Power Supply Cord A Thermostat Electronic Control Protection Device Electronic Control MODEL INDOOR CS E10KB4EA OUTDOOR CU E10HBEA Dry Bulb Wet Bulb Maximum 32 23 Cooling Minimum 16 11 Indoor Operation Range Maximum 30 Heating 16 a Maximum 43 26 Cooling 10 Outdoor Operation Range Maximum 24 18 Heating Minimum 10 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 092 Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor 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 3 Specifications are subject to change without notice for furth
45. Heat rpm 630 630 MODEL INDOOR CS E10KB4EA OUTDOOR CU E10HBEA Propeller Fan U Material PP Motor Type PWM 8 poles Input Power Heat W u Output Power W 40 F Cool rpm 750 Speed Heat rpm 720 Moisture Removal L h Pt h 1 5 3 2 m min ft3 min 7 1 250 Heat m min ft min 8 0 280 Cool m3 min ft3 min 7 9 280 Heat m3 min ft min 8 5 300 Cool m3 min ft min 9 2 330 Indoor Airflow Me Heat m min ft min 9 6 340 Cool m min ft min 10 5 370 Heat m min ft min 10 8 380 i Cool m min ft min 11 2 400 Heat m min ft min 11 6 410 Outdoor Airflow Hi EINE pO Heat m3 min ft min 28 5 1010 Control Device Expansion Valve Refrigeration Cycle Refrigerant Oil cm RB68A or Freol Alpha 68M 400 Refrigerant Type 9 oz R410A 1 15k 40 6 Height I D O D PANEL mm inch 260 10 14 540 21 9 32 51 2 1 32 Dimension Width I D O D PANEL mm inch 575 22 21 32 780 30 23 32 700 27 9 16 Depth I D O D PANEL mm inch 575 22 21 32 289 11 13 32 700 27 9 16 Weight Net I D O D PANEL kg Ib 18 40 35 77 2 5 6 Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 Standard Length m ft 7 5 24 6 Length Range min max m ft 3
46. LHLWYG NO ayog TWNINYSL N3339 MOTIAA 9 N33H9 9 MOTIAA A AONVYO 0 3LIHM M anid 8 SMYVINAY LINN YOOGLNO OL 26 Outdoor Uni 8 2 9HO N3339 NYO MOTISA MTA qaq 3LIHM LHM DINOHIO3T3 anid 18 SMYVINAY TWNIWYAL MYVNIJAVYL aay ng UHM XNVLI NO 3131d4WOO HOSN3S YOLSINYIHL uosNas IYNIVYJANIL 313 1dWOO HOSN3S YOLSIWYAHL YOSNAS SYN LWYAdWSL 39NVvHOSIG aN 006 0 206 0 206 0 0 595 NOLLO3NNOO 40889 4 Jo souejsisay 1 3131dWOO YOSNIS YOLSIWYSHL YOSNAS 3did YOSNAS SYNLWYAdWAL LHM 4 2 0 5 L 3NTV 3131dWOO 1109 MA NJ YOLOW 0 A0SZ1VSI EL 1013513 Uu m V alll ELI vorasna E cu 9 L ZANO AYO ANO L YOLIVIY 1109 194 HN s s NYS 293 1 voc orasnad Al8W3SSv TIVNIIWH3 L 980 1919 MalvaH NYS NYS 7100 0117
47. NSOR 1 CWH32143 24 EVAPORATOR SUPPORTER 3 CWD911529A 25 TUBE ASS Y CAPIL TUBE 1 CWT07K1188 26 DRAIN PUMP COMPLETE 1 CWB53C1015 27 PANEL DRAIN PUMP ASS Y 1 CWD93K1021 28 DRAIN PUMP 1 CWB532043J 29 ANTI VIBRATION BUSHING 3 CWH501080 30 FLOAT SWITCH DRAIN PUMP 1 CWA121233 31 FLEXIBLE PIPE 1 CWH85C1033 32 DRAIN NOZZLE 1 CWH411011 33 DRAIN HOSE HEAT INSULATION 1 CWG321050 35 DRAIN PAN COMPLETE 1 CWH40C1034 36 DRAIN PLUG 1 CWB821008 37 AIR GUIDER BLOWER WHEEL 1 CWD321058 38 CONTROL BOARD CASING 1 CWH10K1102 39 ELECTRONIC CONTROLLER MAIN 1 CWA73C4648 40 SPACER 6 CWH541026 41 TRANSFORMER 1 CWA40C1030 42 TERMINAL BOARD ASS Y 1 CWA28K1191 43 TERMINAL BOARD ASS Y 1 CWA28K1192 44 LEADWIRE AIR TEMP SENSOR 1 CWA67C5751 47 CONTROL BOARD COVER 1 CWH13C1182 48 ACCESSORY COMPLETE 1 CWH82C1270 48A HEATPROOF TUBE 1 CWG021025 51 WIRELESS REMOTE CONTROL COMPLETE 1 CWA75C3208 52 OPERATING INSTRUCTION 1 CWF567377 53 OPERATING INSTRUCTION 1 CWF567378 54 INSTALLATION INSTRUCTION 1 CWF613465 Note All parts are supplied from PHAAM Malaysia Vendor Code 061 0 marked parts are recommended to be kept in stock 94 18 2 CZ BT20E Front Grille Complete 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 95 PART DESCRIPTION QTY PART NO
48. O 1 Quer TEMP nomo Jl TIMER Check button I To clear memorized error Protective operation status after repair 1 Turn power on in standby condition 2 Press the AUTO button for 5 seconds A beep receiving sound on the main unit to operate the unit at Forced Cooling Operation mode 3 Press the CHECK button on the remote controller for about 1 second with a pointed object to transmit signal to main unit A beep sound is heard from main unit and the data is cleared Temporary Operation Depending on breakdown status 1 Press the AUTO button A beep receiving sound on the main unit to operate the unit Remote control will become possible 2 The unit can temporarily be used until repaired Error Code Operation Temporary items H23 Cooling Emergency Operation with limited H27 H28 Cooling Heating power H26 Cooling Heating Emergency Operation without power limit 15 4 Error Codes Table Diagnosis Abnormality Protection control Abnormality Emergency Primary location to verify display Judgement operation H00 No abnormality detected Normal operation H11 Indoor outdoor abnormal communication gt 1 min after start Indoor fan Internal external cable connections ing operation operation only Indoor Outdoor PCB H12 Connection capability rank abnormal
49. OUTDOOR UNIT Indoor Unit Combination 3 2kW 3 2kW 3 2kW 4 0kW Power Source Single Phase 230V 50Hz Power supply from outdoor unit Cooling Operation Heating Operation Maximum Current Capacity 8 0 3 0 9 2 Running Current 8 70 Electrical Data Power Input EER 1980 530 2870 Sound Pressure Level Noise Sound Power Level Capacity 9 4 4 2 10 6 Running Current 9 10 Electrical Data Power Input 2080 700 3060 COP 4 52 Sound Pressure Level Noise 49 Sound Power Level 62 Starting Current Circuit Breaker Capacity Dimension Net Weight 73 Connection Cable 3 1 Earth 21 5 mm Pipe Length Range 1 room 3 25 Maximum Pipe Length Total Room 70 Refrigerant Pipe Diameter Liquid Side 6 35 Gas Side 9 52 Compressor Type Hermetically Sealed Swing Type Motor Type DC Brushless 4 poles Rated Output 2200 Air Circulation Type Propeller Fan Motor Type DC Brushless 8 poles Rated Output 51 Fan Speed Low 680 High 780 Heat Exchanger Type Plate fin configuration forced draft type Tube Material Copper Fin Material Aluminum Row Stage FPI 2 40 Air Volume Low Cooling Heating High Cooling Heating 48 5 45 Refrigerant Control Dev
50. PELLER FAN ASSY 1 CWH03K1014 8 NUT PROPELLER FAN 1 CWH56053J 9 COMPRESSOR 1 5CS110XBD04 10 ANTI VIBRATION BUSHING 3 CWH50077 11 NUT COMPRESSOR MOUNT 3 CWH56000J 12 CONDENSER 1 CWB32C2456 13 STRAINER 1 CWB11094 14 TUBE ASS Y EXP VALVE 1 CWTO01C3643 14A V COIL COMPLETE EXP VALVE 1 CWA43C2058J 15 HOLDER COUPLING 1 CWH351025 16 2 WAYS VALVE LIQUID 1 CWB021333 17 3 WAYS VALVE GAS 1 11434 19 REACTOR 1 G0C193J00003 20 TERMINAL COVER 1 CWH171039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151188 23A SOUND PROOF MATERIAL 1 CWG302466 24 SENSOR COMPLETE DISCHARGE TEMP 1 50 2281 25 CONTROL BOARD COVER 1 CWH131264 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C3342R 27 TERMINAL BOARD ASSY 1 CWA28K1110J 28 CABINET SIDE PLATE 1 CWEO04C1116 29 SENSOR COMPLETE AIR TEMP amp PIPE TEMP 1 50 2402 30 CABINET SIDE PLATE 1 CWE041248A 31 CABINET FRONT PLATE CO 1 CWE06C1136 32 CABINET TOP PLATE 1 CWE031014A 33 PLATE C B COVER 1 CWH131301 34 CONTROL BOARD COVER CO 1 13 1064 35 HANDLE 1 CWE161010 37 CONTROL BOARD CASING BOTTOM 1 CWH102371 38 4 WAYS VALVE 1 CWBO001037J 39 V COIL COMPLETE 4 WAYS VALVE 1 CWA43C2144J 40 WIRE 1 CWD041111A 41 L TUBE 1 CWH5850080 42 PACKING L TUBE 1 CWB81012 48 SENSOR COMPLETE COMP TEMP 1 50 2205 49 RECEIVER 1 CWB14011 50 DISCHARGE MUFFLER 1 CWB121021 51 STRAINER 1 CWB111004
51. STA panel Fit the insulator this part and be careful for cool air leakage 4 Open the indoor control box cover 2 pcs 5 Insert firmly the connector of cosmetic louver to indoor pcb CN STM1 CN STM2 and CN DISP Be caution not to clamp the cord in between control board and control board cover 6 After complete install back removed part follow opposite procedure Be sure to hook the air inlet grill string to prevent A WARNING from falling and causing injury from it Hang the string Good example Bad example q Air conditioner 2 N M N unit Cool air xx aon ir Ne no good RN A Ceiling 2 T SS Decorative panel CNSTM ONGTM Clamp lead wire with band here Air inlet grille Catcher 11 4 Outdoor Unit 11 4 1 SELECT THE BEST LOCATION Refer to Select the best location section 11 4 2 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 010 mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 11 4 3 CONNECTING THE PIPING Connect The Piping To Indoor Unit Please make flare after inserting flare nut locate at joint portion of tube asse
52. When F93 indication happens 1 For safety reason and to prevent component Caution before remove and connect the component Check the U V and W connector connection Turn OFF the power Check the U V and W connection at outdoor unit PCB and compressor terminal Is the connector connection normal NO Correct the connection YES Disconnect the harnesses U V and W from the compressor terminal From the disconnected harnesses U Y and W connect them to the inverter checker Turn ON the power and operate the system Check the inverter checker 6 LEDs blinking condition Is the blinking of the 6 LEDs in same NO e defective sequence condition e Replace outdoor unit PCB YES Replace compressor 78 15 5 19 F95 Cooling High Pressure Abnormality Malfunction Decision Conditions During operation of cooling when outdoor unit heat exchanger high temperature data 61 C is detected by the outdoor pipe temperature sensor Malfunction Caused Air short circuit at outdoor unit Dust accumulation on the outdoor unit heat exchanger 2 3 way valve closed Faulty outdoor unit fan motor Excessive refrigerant Clogged expansion valve or strainer Faulty outdoor pipe temperature sensor Faulty 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 th
53. arged Puly Gum Seda Keep the spaces indicated by arrows from wall ceiling fence other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over 10m additional refrigerant should be added as shown in the table Bend the pipe as closely on the wail as possible but be careful that it doesn t break Vinyl tape Wide X Apply after carrying qut a drainage test Attaching the remote control holder to the wall Piping size Rated Min Max Additional Remote contro hokler Length Elevation Piping Piping Refrigerant PANG SAAN NR m m Length Length g m Remote Liquid amp amp control m m Saddle E10HBEA 3 8 1 4 7 5 15 3 20 20 E15HBEA 1 2 1 4 7 5 15 3 20 20 E18HBEA 1 2 1 4 5 20 3 30 20 E21HBEA Power supply cable 3x 1 5 mm power Exam ple x If the unit is installed at a 12m distance the quantity of additional refrigerant should be 40g 12 10 m x 20g m SR 40g 4 CORE 5 Type designation 245 IEC 57 or heavier cord 1 4 Liquid side piping Gas side piping 3 8 EtOHBEA 7 1 2 15 E18HBEA E21HBEA Additional drain hose X It is advisable to avoid more than 2 blockage directions For bette
54. control is misplaced or malfunction 2 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 beep sound will occur 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 occur at the fifth seconds in order to identify the starting of cooling operation Within 5 minutes after cooling operation start the Auto OFF ON button is pressed for more than 5 seconds A 3 beep sounds will occur 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 pressed Main unit always continue Test forced cooling operation 5 sec 8 11 16 21 sec Remote Control Number Switch Mode Remote Control Receiving Sound OFF ON Auto Operation Test Run Operation Forced Cooling Operation Test Run Operation Forced Heating Operation Beep Beep x 2 Beep x 3 4 Press Timer Decrement Press Timer Decrement Press Timer Decrement amp Check at remote control at remote control at remote c
55. ction Decision Conditions A current 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 CT defective Outdoor PCB defective Compressor defective low compression Troubleshooting When abnormality indication starts again Operate normal heating operating When H16 occurs again For safety reason and to prevent turn OFF the power A component breakdown always switch Caution off the power before remove and connect the component Check the 2 3 way valve Is the 2 3 way valve closed YES e Open the 2 3 way valve 9 Check for gas leakage YES e Repair pipe flare or union nuts e Reclaim and recharge refrigerant Is the oil oozing out from the 2 3 way valve 2 ON the power and operate FORCE HEATING Measure the current from the outdoor LIVE terminal Defect in CT Is th t 1 0A d e Replace the outdoor unit PCB lt m o While the system is still in FORCE HEATING check the discharge pressure 2 2 15 the pressure unchanged same as when compressor stop Replace the outdoor unit PCB YES While the system is still in FORCE HEATING further check by touching if Compressor discharge pipe is cold A Replace the compressor Compressor body is warm to confirm the compressor low compression 65 15 5
56. 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 A 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 YE Does it rotate 2 Stop fan motor Check the rotation feedback output from fan motor Rotate the fan motor by hand is the rotation feedback voltage 15Vdc pin 1 amp 4 generated Turn off power supply and disconnect fan motor connector then turn power on Check the output of fan motor from indoor PCB NO Is the motor power supply voltage 325Vdc pin 7 amp 4 generated Is the motor control voltage 15Vdc pin 3 amp 4 generated Operate the fan is the rotation command voltage 1 5Vdc pin 2 amp 4 generated e Replace indoor PCB Replace fan motor 72 15 5 13 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 60 C Malfunction Caused Air short c
57. e component YES Check for clogged expansion valve or strainer Is the expansion valve or strainer clogged ice YES E gged e Replace the outdoor fan motor formed NO Check the outdoor pipe temperature sensor Does it conform to the sensor characteristic NO e Replace the outdoor pipe temperature charts sensor Check the outdoor air passage YES E 5 Is there any short circuit Provide sufficient air passage NO Check the dust accumulation on the outdoor unit heat exchanger 7 5 Is the outdoor unit heat exchanger dirty e Clean the outdoor heat exchanger NO Check the 2 3 way valve YES Is the 2 3 way valve closed e Open the 2 3 way valve NO Check the outdoor unit fan motor operation NO e Replace the outdoor unit fan motor Is the fan motor operate normally p andor outdoor PCB YES Check refrigerant amount Is the additional refrigerant amount filled NO e Reclaim and recharge with correct correctly amount of refrigerant e Replace outdoor unit PCB 79 15 5 20 F96 IPM Overheating Malfunction Decision Conditions During operating of cooling and heating when IPM temperature data 100 C is detected by the IPM temperature sensor Multi Models Only Compressor Overheating During operation of cooling and heating when the compressor OL is activated Heat Sink Overheating During operation of cooling and heating when heat sink temperature data 90 C is detected by the heat
58. e during cooling and heating Malfunction Caused Refrigerant shortage refrigerant leakage Poor compression performance of compressor 2 3 way valve closed 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 component Check the indoor air intake and pipe temperature sensors Does it conform to the sensor Replace the indoor intake air or pipe characteristic chart temperature sensor 2 3 way valve opened NO e Open 2 3 way valve YES Check for gas leaking R 1 YES e Repair the pipe flare or union nuts Oil oozing out from the 2 3 way valve Reclaim and recharge refrigerant NO YES F 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 e Replace outdoor unit PCB 4 compressor NO Procedure complete 77 15 5 18 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 Outdoor PCB malfunction Compressor malfunction Troubleshooting breakdown always switch off the power
59. eck the continuity of the 4 way valve coil Disconnect the harness from the connector Resistance between harnesses about 180 2 2 2 Measure DC voltage supply to 1 4 2 during heating operation Is the voltage supply to 4 way valve 2 5 4 5Vdc NO 2 2 YES YES YES YES For safety reason and to prevent A component breakdown always switch Caution off the power before remove and connect the component e Replace the indoor pipe temperature sensor Is the 4 way valve coil energized during cooling operation lt m 0 e Replace the outdoor unit PCB Correct the 4 way valve coil Reconnect harness e Replace the 4 way valve coil e Replace the outdoor unit PCB Replace the 4 way valve NO 15 5 16 F90 Power Factor Correction Protection Malfunction Decision Conditions 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 Faulty outdoor PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent A component breakdown always Caution switch off the power before remove Check the supply voltage and connect the component m NO Supply voltage as s
60. ect in outdoor unit PCB e Replace the outdoor unit PCB 15 5 9 H27 Outdoor Air Temperature Sensor Abnormality Malfunction Decision Conditions 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 Faulty connector connection Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection off the power Check the connector connection For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component _ Is the connector connection normal Connector poor contact e Correct the connection YES Check the outdoor air temperature sensor e Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor air temperature sensor Is the measured resistance of the outdoor air temperature r mena N ESR sensor matches the value specified in its characteristic chart Replace the outdoor air temperature sensor YES Defect in outdoor unit PCB e Replace the outdoor unit PCB Sensor Thermistor Characteristics TAT TE Resistance Temperature C 69 15 5 10 H28 Outdoor Pipe Temperature Sensor Abnormality Malfunction Decision Conditions During
61. emperature C 67 15 5 8 H24 Indoor Pipe Temperature Sensor 2 Abnormality Malfunction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting Resistance 3 When abnormality indication starts again Check the connector connection Plug out connector from the indoor unit PCB Measure the resistance of the indoor pipe temperature sensor 15 the connector connection normal YES Check the outdoor air temperature sensor e Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor intake air temperature sensor 15 the measured resistance of the outdoor intake air temperature sensor matches the value specified in its characteristic chart YES Sensor Thermistor Characteristics N Pipe temp Sensor 1 amp 2 Intake Air Temp Sensor 10 0 10 20 30 40 50 Temperature C NO NO 68 For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component e Connector poor contact e Correct the connection Defect in outdoor intake air temperature sensor Replace the outdoor intake air temperature sensor e Det
62. emperature Sensor Abnormality Malfunction Decision Conditions 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 Faulty connector connection Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again Check the connector connection 4 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 15 the connector connection normal 2 contact e Correct the connection YES Check the connector connection Check the outdoor compressor temperature sensor e Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor compressor temperature sensor 15 the measured resistance of the outdoor compressor NO temperature sensor matches the value specified in its characteristic chart e Defect in outdoor compressor temperature sensor e Replace the outdoor compressor temperature sensor YES e Defect in outdoor unit PCB Replace the outdoor unit PCB Compressor Temp Sensor Thermistor Characteristics 70 60 50 40 30 Resistance 3 20 10 20 40 60 80 100 120 140 P Temperature C 64 15 5 5 H16 Outdoor Current Transformer Open Circuit Malfun
63. enerating equipment The electrical wiring must be shielded with a steel conduit 10 If the power supply is subject to noise generation add a suppressor 11 Do not install the indoor unit in a laundry Electric shocks may result ON O OF Thoroughly study the following installation locations 1 In such places as restaurants and kitchens considerable amount of oil steam and flour adhere to the turbo fan the fin of the heat exchanger and the drain pump resulting in heat exchange reduction spraying dispersing of water drops drain pump malfunction etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from the cooking room to install the air conditioner in such place where it may not suck in oily steam Air conditioner Use the ventilation fan for smoke collection hood with sufficient capacity Ensure ample distance Cooking table 2 Avoid installing the air conditioner in such circumstances where cutting oil mist or iron powder exist especially in factories etc 3 Avoid places where inflammable gas is generated flows in contaminated or leaked 4 Avoid places where sulphurous acid gas or corrosive gas can be generated 5 Avoid places near high frequency gen
64. ent heat resistance over 1209C Hose clip Accessory Overlap with heat insulator for piping Heat insulator Local Flexible hose with supply The thickness heat insulator must be at least 8 mm Accessory rap luum 026 Local supply Heat insulator for piping Local supply To be glued Heat insulator Indoor Accessory N may be required to take off this part for checking or servicing the drain up motor Please do not glue Make sure that there is no clearance here 2 Precautions in high humidity circumstance This air conditioner has been tested according to the JIS Standard Conditions with Mist and have been confirmed that there are no faults However if it is operated for a long time in high humid atmosphere dew point temperature more than 23 C water drops are liable to fall In this case add heat insulation material according to the following procedure Heat insulation material to be prepared Adiabatic glass wool with thickness 10 to 20 mm Stick glass wool on all air conditioners that are located in ceiling atmosphere In addition to the normal heat insulation thickness more than 8 mm for refrigerant piping gas piping thick piping and drain piping add a further of 10 mm to 30 mm thickness material Wall seal When the outdoor unit is installed on a highe
65. er improvement 2 2 CU 2E15LBE OUTDOOR UNIT Indoor Unit Combination 2 5kW 2 5kW Power Source 1 Phase 230V 50Hz Power supply from outdoor unit Cooling Operation Capacity kW 4 5 1 5 5 2 15300 5120 17700 Running Current Electrical Power Input Data A kW 5 75 1 23 0 25 1 52 EER W W 3 66 6 00 3 42 Sound Pressure Level Noise Sound Power Level dB A H L dB H L 47 1 62 Heating Operation Capacity kW 5 4 1 1 7 0 BTU h 18400 3750 23900 Running Current A 5 20 Electrical Data Power Input kW 1 17 0 21 1 67 COP Sound Pressure Level Noise W W dB A H L 4 62 5 24 4 19 49 Sound Power Level dB 64 Maximum Current 12 0 Starting Current 5 75 Circuit Breaker Capacity 15 Dimension 540 780 70 289 Net Weight Connection Cable 38 3 1 Earth 21 5 mm Pipe Length Range 1 room 3 20 Maximum Pipe Length Total Room 30 Refrigerant Pipe Diameter Liquid Side 6 35 1 4 Gas Side 9 52 3 8 Compressor Type Hermetic Motor Motor Type Brushless 4 poles Rated Output 1 20k Air Circulation Type Propeller Fan Motor Type DC Motor 8 poles Rated Output 40 Fan Speed High Cooling Heating 860 860
66. erators Model Name Height in the ceiling CS E10HB4 CS E15HB4 280 mm or more CS E18HB4 CS E21HB4 11 3 2 INSTALLATION OF INDOOR UNIT This air conditioner uses a drain up motor Horizontally install Be sure to discuss the ceiling drilling work with the workers the unit using a level gauge concerned Unit mm CEILING OPENING DIMENSIONS AND HANGING BOLT 650 Ceiling opening LOCATION w Dralfipipe Hanging bolt The paper model for installation expand or shrink according to temperature and humidity Check on dimensions before using it CAUTION During the installation care must be taken not to damage electric wires 530 Hanging bolt 650 Ceiling opening 580 Unit size The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions Refrigerant pipe e 34 POSITIONS OF AIR CONDITIONER BODY AND CEILING SURFACE Hanging bolt W3 8 or M10 Nut W3 8 or M10 Keep the length of the bolt from the bracket to 40 mm 292 mm and above M10 Spring washer Flat washer for M10 accessory Paper model for installation Set screw for paper Som Adjust to the same height model 4 pieces Nut UNO or M10 Open the ceiling board along the outer edge of the paper model A Warning Tighten the nut and bolt to prevent unit from falling
67. ers or other objects into the unit high speed rotating fan may cause injury S 24 Must not use other parts except original parts describe in catalog and manual CAUTION 1 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 Q 2 Carry out drainage piping as mentioned in installation instructions If drainage is not perfect water may enter the room and damage the 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 5 Select an installation location which is easy for maintenance 6 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 7 Power supply connection to the 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 co
68. es 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 oil before installation new unit Thickness of copper pipes used with R410A must be more than 0 6mm Never use copper pipes thinner than 0 6mm It is desirable that the amount of residual oil is less than 40 mg 10m 19 During installation install the refrigerant piping properly before run 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 compressor while compressor is operating and valves are opened will cause suck in of air abnormal high pressure in refrigeration cycle and result in explosion injury etc 21 After completion of the installation servicing 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 fing
69. ger NO Check the 2 3 way valve YES Is the 2 3 way valve closed e the 2 3 way valve NO Check the indoor unit fan motor operation Is the ind it f t t lly NO e Replace the indoor unit fan motor and or s the indoor unit fan motor operate normally indoor unit PCB YES Check for gas leakage YES e Repair the pipe flare or union nuts Is the oil oozing out from the 2 3 way valve 2 Reclaim and recharge refrigerant YES Check for clogged expansion valve or strainer YES Replace the expansion valve and or 15 the expansion valve or strainer clogged ice formed strainer No Reclaim and recharge refrigerant Check the indoor pipe temperature sensor NO Replace the indoor pipe temperature Does it conform to the sensor characteristic chart PE AME YES Replace the indoor unit PCB 74 15 5 15 F11 4 way valve Abnormality Malfunction Decision Conditions When heating operation when indoor pipe temperature is below 10 C When cooling operation when indoor pipe temperature is above 45 C Malfunction Caused Connector in poor contact Faulty sensor Faulty outdoor unit PCB 4 way valve defective Troubleshooting When F11 indication happens Check the indoor pipe temperature sensor Does it conform to the sensor characteristic chart Is F11 occurs during heating operation m o YES 4 way valve coil disconnected loose Harness out of connector Ch
70. he 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 2 This type of control is not applicable during ON OFF Timer setting 12 7 Indication Panel LED POWER TIMER QUIET POWERFUL AIR SWING Color Green Orange Orange Orange Orange Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Auto Air Swing ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode Auto Air Swing OFF Note If POWER LED is blinking the possible operation of the unit are Hot Start during Deice operation operation mode judgment or ON timer sampling f Timer LED is blinking there is an abnormality operation occurs 49 12 8 Drain Pump Control Operation To drain out the condensed watar trapped in the drain pan in order to prevent the condensed water from overflowing from the drain pan and leaking Power Supply ON ower UPPIY ON Compressor OFF ON Indoor Fan OFF ON Drain Pump OFF Drain Pump starts to operate 10 sec after compressor and Indoor fan ON Drain Pump stop to operate 90 sec after compressor OFF Drain Pump Error Drain Pump Error occurs when Within 20 minutes the float switch is ON twice Float switch is ON continuously for 2 minutes 30 seconds When error occurs the timer indicator blinks
71. ice Expansion Valve Refrigerant Oil Refrigerant R410A Note Ethers Specifications are subject to change without notice for further improvement 12 Split Combination Possibility A single outdoor unit enables air conditioning of up to two separate rooms for CU 2E15LBE CU 2E18LBE A single outdoor unit enables air conditioning of up to three separate rooms for CU 3E18LBE A single outdoor unit enables air conditioning of up to four separate rooms for CU 4E23LBE 4 27 OUTDOOR UNIT CONNECTABLE INDOOR UNIT CU 2E15LBE CU 2E18LBE CU 3E18LBE CU 4E23LBE CU 4E27CBPG We MH E CS E7LKEW 2 0kW CS XE7LKEW CS E9LKEW CS XE9LKEW 2 5kW CS F10KB4EA CS E10KD3EA CS E12LKEW Wall 3 2kw CS XE12LKEW CS E15LKEW 4 0kW CS XE15LKEW CS E18LKEW 5 0kW CS XE18LKEW CS E21LKEW 6 0kW cs xE21LKEW 225 52 11 95 2 155 pie Capacity range of From 4 0kW to From 4 0kW to From 4 5kW From 4 5kW From 4 5kW connectable indoor units 5 6kW 6 4kW to 9 0kW to 11 0kW to 13 6kW 1 room maximum 25 25 pipe length m Allowable elevation m 10 10 15 15 15 Total allowable pipe 30
72. ified indoor or outdoor unit Replace the indoor and outdoor unit PCBs 62 15 5 3 14 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 used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power Caution before remove and connect the component Check the connector connection e Turn off the power Check the connector connection Is the connector connection normal NO e Connector poor contact Correct the connection YES Check the indoor intake air temperature sensor Plug out connector from the indoor unit PCB Measure the resistance of the indoor intake air temperature sensor 15 the measured resistance of the indoor intake air NO temperature sensor matches the value specified in its characteristic chart Defect in indoor intake air temperature sensor Replace the indoor intake air temperature sensor Defect in indoor unit PCB e Replace the indoor unit PCB YES Sensor Thermistor Characteristics Resistance 3 10 0 10 20 30 40 50 Temperature C 63 15 5 4 H15 Compressor T
73. in Mid Max kW 0 60 2 50 3 20 0 60 2 50 3 20 Capacity BTU h 2050 8530 10900 2050 8530 10900 Kcal h 520 2150 2750 520 2150 2750 jRunning Current A 2 9 2 8 0 Input Power W 145 620 870 145 620 870 Annual Consumption kWh 310 m i EER W W 4 14 4 03 3 68 4 14 4 03 3 68 n Btu hW 14 1 13 8 12 5 14 1 13 8 12 5 9 Power Factor 93 92 dB A 34 26 23 Indoor Noise H L QLo Power Level dB 47 dB A 45 Outdoor Noise L Power Level dB 58 kW 0 60 3 20 5 10 0 60 3 20 5 10 Capacity BTU h 2050 10900 17400 2050 10900 17400 H Kcal h 520 2750 4390 520 2750 4390 Running Current A 3 8 3 7 Input Power W 125 820 1 45k 125 820 1 45k W W 4 80 3 90 3 52 4 80 3 90 3 52 n Btu hW 16 4 13 3 12 0 16 4 13 3 12 0 9 Power Factor 94 92 dB A 35 28 25 Indoor Noise H L QLo Power Level dB 48 dB A 46 Outdoor Noise L Power Level dB 59 Max Current A Max Input Power W 6 7 1 45k Starting Current A 3 8 Type Hermetic Motor Compressor Motor Type Brushless 4 poles Output Power W 750 Type Backward Fan Material ABS GF10 Motor Type DC Motor 8 poles Input Power W N Output Power W 40 D Cool rpm 350 350 QLo rpm 410 410 9 rpm 400 400 R Lo Heat rpm 440 440 F Cool rpm 480 480 A Speed Me N Heat rpm 510 510 Hi Cool rpm 560 560 Heat rpm 580 580 Cool rpm 600 600 SHi
74. iping Length m 1 100 1 000 TT I T 0 900 N 5 N o N N Piping Length m 88 HEAT OUTDOOR TEMPERATURE CHANGE INDOOR TEMP 20 C REMOTE CON HI FAN HEAT 30 C COMP Hz Fh VOLTAGE 230V 240V 6000 5500 5000 4500 4000 3500 3000 2500 2000 1500 1000 500 Heating Capacity W Outdoor Air Temperature C Current A Outdoor Air Temperature C 2 80 2 60 2 40 2 20 2 00 Gas Side High Pressure MPa 1 80 Outdoor Air Temperature C 38 0 34 0 32 0 Outlet Air Temperature C 30 0 Outdoor Air Temperature C 0 HEAT PIPE LENGTH CHANGE INDOOR TEMP 20 C 7 6 C REMOTE CON HI FAN HEAT 30 C COMP Hz Fh VOLTAGE 230V 240V 3300 3200 Heating Capacity W 3100 4 6 8 10 12 14 16 18 20 22 Piping Length m Current A 2 4 6 8 10 12 14 16 18 20 22 Piping Length m 36 0 35 0 Outlet Air Temperature C 10 12 14 16 18 20 22 Piping Length m 2 70 2 60 2 50 2 40 Gas Side High Pressure MPa 2 20 10 12 14 16 18 20 22 Piping Length 17 2 Sensible Capacity Chart CS E10KB4EA CU E10HBEA Outdoor Temp C Indoor wet 30 35 40 46 bulb temp TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 2 48 1 88 0 57 2 32 1 80 0 61 2 16 1 73 0 65 1 96 1 65 0 7
75. ircuit Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger 2 3 way valve closed Detection error due to faulty indoor fan motor Excessive refrigerant Clogged expansion valve or strainer 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 connect the component Check the air passage YES Is there any short circuit e Provide sufficient air passage NO Check the indoor unit air filter Is the air filter dirty YES e Clean the air filter NO Check the dust accumulation on the indoor unit heat exchanger 2 4 5 Is the indoor unit heat exchanger dirty e Clean the indoor unit heat exchanger NO Check the 2 3 way valve YES 15 the 2 3 way valve closed e the 2 3 way valve NO Check the indoor unit fan motor operation Is the ind it f t t ily NO e Replace the indoor unit fan motor and or s the indoor unit fan motor operate normally indoor unit PCB YES Check refrigerant amount m e and recharge with correct Is the additional refrigerant amount filled correctly amount of refrigerant YES Check for clogged expansion valve or strainer YES Replace the expansion valve and or Is the expansion valve o
76. isplay 2 OFF 00 Off On Fan speed selection Temperature setting Operation mod gt Powerful operatio iet operation i i Quiet operati Airflow direction adjustment Timer setting Check Clock setting 21 5 Dimensions 5 1 Indoor Unit amp Remote Control 22 a Oo I 650 Ceiling opening Remote control transmitter 47 Remote control holder 34 33 Unit mm 5 2 Outdoor Unit Space necessary for installation Anchor Bolt Pitch 320 x 570 lt Side View gt lt Top View gt 245 780 21 68 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure lt Side View gt 23 Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID EXPANSION SIDE VALVE STRAINER I I 55 n i TEMP 2 WAY SENSOR VALVE PIPE TEMP SENSOR 1 INTAKE AIR iE E PIPE TEMP INLET SENSOR TEMP SENSOR 2 HEAT EXCHANGER HEAT EXCHANGER EVAPORATOR CONDENSER A SIDE gt lt v 3 WAY gt 4 WAY VALVE VALVE IPM COMPRESSOR TEMP SENSOR TEMP SENSOR COMPRESSOR COOLING HEATING Piping size Rated Max Min Max Additional Model Gas Liquid Length E
77. levation Piping Piping Refrigerant m m Length Length g m m m E10HBEA 3 8 1 4 7 5 15 3 20 20 If piping length is over common length additional refrigerant should be added as shown in the table 24 7 Block Diagram Lol 3504 LINN YILVIH D 3ATVA SAVM b LO AY 1 70 YOLOVAY LOLN F 19 0 45014 3SION iN 1 201 ASNA NVJ ZHOS 195 OpZ 0EZ OV 4504 LINN 25 8 Wiring Connection Diagram 8 1 Indoor Uni SS313HIM Av 1dSIQ HATIONLNOO lt Gre H3 TIOHINOO 3103 L YOLOW SNIdd3lS YOLOW 15 3l31dWOO HOSN3S L OL LHM dSIQ NO HOLIMS NAY Lo ai 1531 L ZOMS a Se ee NIV YSTIONLNOO LH LALS NO ZWLS NO 1 lt 3 HOLIMS AYNSS3AYd 211 15 LOMS gt 19 o ol Ed 18 1 00V OINOMIOSI3 1 418 18 109 LHM IW3 NO YSL EL 09513 i
78. llowing 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 Codes Table by using Remote Control or Auto Switch at indoor unit However the Remote Control signal receiving sound is changed from one beep to four beep sounds 60 15 5 Self diagnosis Method 15 5 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 15 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 waveform Troubleshooting When abnormality indication starts again For safety reason and to prevent Check the indoor outdoor units connection wires A 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
79. mbly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Connecting The Piping To Outdoor Unit Model A B C D E10HBEA 570 mm 105 mm 18 5 mm 320mm E15HBEA E18HBEA 612 5 mm 131 mm 19 mm 383 mm E21HBEA Spanner or wrench Torque wrench Model Piping size Torque Gas Liquid E10HBEA 3 8 42 N m 1 4 18 N m E15HBEA E18HBEA 1 2 55 N m 1 4 18 N m E21HBEA CAUTION Do not over tighten over tightening cause gas leakage 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 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 is 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 Pipe Reamer Point down Clamp handle Red arrow mark 1 To cut 2 To remove burrs 3 To flare impr
80. minal Board 01 2 G01 GRN screw 2 Two T BLK connectors CN T1 WHT CN T2 YLW CN TH2 CN TH1 G01 CN DRMTR1 CN STM1 Fig 3 84 4 remove the Electronic Controller release the 6 hooks that hold it to the Control Board Fig 4 i Electronic Controller Fig 4 5 Remove the Front Grille by removing the screw A and screws B C amp D half way open Fig 5 Screw B Front Grille Screw C Fig 5 6 Remove the Air Guider and Drain Pan complete by removing the screws Fig 6 Air Guider Drain Pan 7 Remove the Turbo Fan by removing the bolt Fig 7 Bolt Turbo Fan 85 8 Remove the Fan Motor by release the Fan Motor lead wire connectors and Fan Motor screws Fig 8 Screws Fig 8 Outdoor Electronic Controller Removal Procedure 1 Remove the top panel and front panel D Remove screws Remove Top Panel 6 Remove Front Panel Remove Screws Remove screws Fig 9 WARNING Be save to return the wiring to its original position There are many high voltage components within the heat sink cover so never touch the interior during operation Wait at least two minutes after power has been turned off 86 2 Remove the Outdoor Electronic Controller Release the hook D Release 6 connectors Fig 11 Remove 9 screws Fig 12 A Caution When handling
81. mputer in determining the most suitable operating mode as time passes automatically adjusts output power for maximum comfort always In order to achieve the suitable operating 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 1 Internal Setting Temperature Once the operation starts remote control 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 16 C 30 C eer Auto Operation Mode Shifting Setting Temperature Limit Checking Min 16 C Max 30 C Y Outdoor Air Temperature Shifting Y Powerful Mode Shifting Y Fan Speed Shifting Y Start Up Shifting Y Setting Temperature Limit Checking Min 16 C 30 C Internal Setting Temperature 12 1 2 Cooling Operation 12 1 21 Thermostat control Compressor is OFF when Intake Air Tempera
82. ndoor and outdoor temperature is judged Based on remote control setting temperature the value of T1 will increase up to 10 C T2 will decreased by 3 C and T3 will decreased up to 8 C The Auto Operation Mode shifting will take place whenever operation mode changed from Cooling Soft Dry to Heating or vice versa 12 1 6 Indoor Fan Motor Operation A Basic Rotation Speed rpm i Manual Fan Speed Cooling Dry Fan motor s number of rotation is determined according to remote control setting Remote Control Heating Fan motor s number of rotation is determined according to remote control setting Remote Control Shi Me Me Me Lo ii Auto Fan Speed Cooling Dry According to room temperature and setting temperature indoor fan speed is determined automatically The indoor fan will operate according to pattern below Fan 1 pattern 10 s Speed a b f 9 b Higher Medium Lower 45 Heating According to indoor pipe temperature automatic heating fan speed is determined as follows 50 C 45 C 40 C 25 C Lo B Feedback control Immediately after the fan motor started feedback control is performed once every second During fan motor on if fan motor feedback gt 2550 rpm or lt 50 rpm continue for 10 seconds
83. ner is stopped using remote control the vane will shift to close position 2 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 0 Close position Side View Indoor Heat Exchanger Temperature 12 3 Quiet operation Cooling Mode Cooling area of Soft Dry Mode A Purpose To provide quiet cooling operation compare to normal operation B Control condition a Quiet operation start condition When quiet button at remote control is pressed Quiet LED illuminates b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a Powerful button is pressed b Stop by OFF ON switch c Timer off activates d Quiet button is pressed again 2 When quiet operation is stopped operation is shifted to normal operation with previous setting 3 When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised C Control contents 1 Auto fan speed is changed from normal setting to quiet setting of respective fan s
84. ngle will be adjusted accordingly in this control Fan speed will be increased slowly if the unit is in quiet mode but no change in normal cooling mode The angle of horizontal louver will be changed as table below Operation Mode Airflow Direction Vane Angle 1 2 3 4 5 Cooling Auto 30 60 Manual 30 37 5 45 52 5 60 13 2 4 Dew Prevention Control 2 1 To prevent dew formation at indoor unit discharge area 2 This control starts if all conditions continue for 20 minutes Operated with Cooling or Soft Dry Mode Indoor intake temperature is between 25 C and 29 C Outdoor air temperature is less than 30 C Quiet Lo fan speed 3 This control stopped if When receive air swing change signal from Remote Control 4 The horizontal louver will be fixed at 24 regardless of Auto or Manual Airflow Direction Setting 13 2 5 Freeze Prevention Control 1 When indoor heat exchanger temperature is lower than 7 C continuously for six minutes compressor will stop operating 2 Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 13 C 3 At the same time indoor fan speed will be higher than during its normal operation 4 If indoor heat exchanger temperature is higher than 13 C for 5 minutes the fan speed will return to its normal operation 53 13 3 Protection Control For Heating Operation 13 3 1 Intake Air Temperature Control Compressor will o
85. nnection of this room air conditioner to the power supply is prohibited 1 Power supply connection to the receptacle using a power plug Use an approved 15 16A 3 4 1 5HP or 16 2 0HP 20A 2 5HP or 25A 3 0HP power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent component Use an approved 16A 3 4 2 0HP or 20A 2 5HP 25 3 0HP circuit breaker for the permanent connection It must be a double pole switch with a minimum 3 0 mm contact gap 8 Do not release refrigerant during piping work for installation servicing reinstallation and during repairing a refrigeration parts Take care of the liquid refrigerant it may cause frostbite Q 9 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 S 11 Do not sit or step on the unit you may fall down accidentally S 12 Do not touch the sharp aluminium fin sharp parts may cause injury 2 Specifications 2 1 5 10 4 CU E10HBEA MODEL INDOOR CS E10KB4EA OUTDOOR CU E10HBEA Performance Test Condition EUROVENT AS Phase Hz Single 50 Power Supply V 230 240 Min Mid Max M
86. ontrol 3 REMOTE CONTROL NUMBER SWITCH MODE The Remote Control Number Switch Mode will be activated if the Auto OFF ON button is pressed continuously for more than 11 seconds 3 beep sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition and press Timer Decrement button at remote control to transmit and store the desired transmission code to the EEPROM For transmission code selection explanation please refer to Select Remote Control Transmission Code 4 REMOTE CONTROL RECEIVING SOUND OFF ON MODE The Remote Control Receiving Sound OFF ON Mode will be activated if the Auto OFF ON button is pressed continuously for more than 16 seconds 4 beep sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off On Mode is in standby condition and press Timer Decrement and then press Check button at remote control Press Auto OFF ON button to toggle remote control receiving sound Short beep Turn OFF remote control receiving sound Long beep Turn 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 55 14 2 Select Remote Control Transmission Code 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
87. oper flaring M Copper pipe When properly flared the internal surface of the flare will evenly shine and be of even thickness Since the flare part comes into contact with the connections carefully check the Bare finish 11 4 4 EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure Indoor unit Liquid side Two way valve Outdoor unit Vacuum pump adaptor 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 Be sure to connect the end of the charging hose with the push pin to the service port 2 Connect the center hose of the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa Then evacuate the air approximately ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of both of the 3 way valve at a torque of 18 N m with a torque wrench
88. pecified Correct the power supply YES Operate 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 N terminal normal between 28Vde Defect in PFC circuitry 285 315Vdc Replace the outdoor unit PCB NO Check the compressor winding resistance e Turn off 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 5 winding resistance U V V W W U uniform Replace the compressor YES e Replace the outdoor unit PCB 76 15 5 17 F91 Refrigeration Cycle Abnormality Malfunction Decision Conditions During cooling compressor frequency During heating compressor frequency gt Fhrated During cooling and heating operation running current 0 65A lt lt 1 65A During cooling indoor intake indoor pipe lt 4 C During heating indoor pipe indoor intake lt 5 C Multi Models Only Gas shortage detection 1 A gas shortage is detected by checking the CT detected input current value and the compressor running frequency During startup and operating of cooling and heating input current lt 8 78 256 A Hz x compressor running frequency 0 25 Gas shortage detection 2 A gas shortage is detected by checking the difference between indoor pipe temperature and indoor intake air temperatur
89. peed This is to reduce sound of Hi Me Lo for 2 Manual fan speed for quiet operation is 1 step from setting fan speed 3 Outdoor fan speed is changed to Q Lo 4 Compressor frequency reduced 47 12 3 1 Quiet operation Heating A Purpose To provide quiet heating operation compare to normal operation B Control condition a Quiet operation start condition When quiet button at remote control is pressed Quiet LED illuminates b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a Powerful button is pressed b Stop by OFF ON switch c Timer off activates d 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 except fan only mode During quiet operation if timer on activates quiet operation maintains After off when on back quiet operation is not memorised O O W S C Control contents a 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 b Fan Speed Manual Manual fan speed for
90. perate at maximum frequency if below conditions occur 1 When the indoor intake air temperature is 30 C or above 13 3 2 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 14 C in order to avoid compressor overloading 13 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures If the heat exchanger temperature exceeds 60 C compressor will stop Frequency Reduced Frequency Limited 60 C 55 C 49 C 46 C 13 3 4 Cold Draught Operation When indoor pipe temperature is low cold draught operation start where indoor fan speed will be reduced 13 3 5 Deice Operation When outdoor pipe temperature and outdoor temperature is low deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks 54 14 Servicing Mode 14 1 Auto OFF ON Button Auto OFF ON Auto OFF ON Auto OFF ON Button pressed Button pressed Button pressed 5 sec Auto Operation Test Run Operation Forced heating operation Test Run Operation Stop Forced cooling operation Beep Beep x 2 Beep x 3 Stop Cooling Operation 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
91. quiet operation 15 1 step from setting fan speed c Compressor frequency reduced 12 4 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift higher up to 3 5 C for Heating or lower up to 2 C for Cooling Soft Dry than remote control setting temperature for 20 minutes to achieve the setting temperature quickly 48 12 5 Timer Control 12 5 1 ON Timer Control ON timer can be set using remote control the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set ON time 60 minutes before the set time indoor at fan speed of Lo and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time From the above judgment the decided operation will start operate earlier than the set time as shown below Indoor intake air Indoor intake air temperature C temperature C 15 min 25 min 30 15 10 min 30 min 25 5 5 min 35 min sm Outdoor air zc Outdoor air 99 temperature C S a temperature C Cooling Soft Dry Heating 12 5 2 OFF Timer Control OFF timer can be set using remote control the unit with timer set will stop operate at set time 12 6 Auto Restart Control 1 When the power supply is cut off during the operation of air conditioner t
92. r ventilation amp multiple outdoor installation please consult authorized deaier specialist This illustration is for explanation purposes only The indoor unit will actually face a different way 11 3 Indoor Unit 11 3 1 SELECTING THE LOCATION FOR THE INDOOR UNIT Provide a check port on the piping side ceiling for repair and maintenance Install the indoor unit once the following conditions are satisfied and after receiving the customer approval 1 The indoor unit must be within a maintenance space 2 The indoor unit must be free from any obstacles in path of the air inlet and outlet and must allow spreading of air throughout the room 3 Recommended installation height for indoor unit shall be at least 2 5 m 1000 or more 300 or less Unit mm Obstacles Unit mm 2500 3000 f the height from the floor to ceiling exceeds three meters air flow distribution deteriorates and the effect is decreased 33 WARNING The installation position must be able to support a load four times the indoor unit weight The indoor unit must be away from heat and steam sources but avoid installing near an entrance The indoor unit must allow easy draining The indoor unit must allow easy connection to the outdoor unit Place the indoor unit according to the height from the ceiling shown in the illustration below The indoor unit must be from at least 3m away from any noise g
93. r position than the indoor unit install the trap so as not to instill rain water into the wall by transmitting in piping Stuff the space among piping the electric wire and the drain hose with Putty and seal the penetration wall hole Make sure that rain water do not instill into the wall Pipe d ipe down Putty Indoor Drain pipe Incision Put the incision at the trap of the heat insulator for water drain 37 11 3 6 CONNECTING THE CABLE THE INDOOR Remove the mounting screw remove the control box cover and then connect the wires by following the procedure given in the illustration installer should open the earth Indoor wire screw on the metal part when Terminal necessary for installation or service purpose Screw of Earth connect 15 E18HBEA E21HBEA Earth lead wire shall be longer than other wires as shown in the figure for the electrical safety in case of the slipping out of Terminals on the indoor unit the cord from anchorage Colour of wires Terminals on the outdoor unit 11 3 6 1 WIRE STRIPPING AND CONNECTING REQUIREMENT Wire stripping Indoor outdoor connecting Conductor Conductor Conductor not terminal board fully insert over insert fully insert No loose strand when insert 5 mm or more gap between wires 11 3 7 INSTALLATION OF DECORATIVE PANEL The decorati
94. r strainer clogged ice formed strainer NO Reclaim and recharge refrigerant Check the indoor pipe temperature sensor en NO Replace the indoor pipe temperature Does it conform to the sensor characteristic chart Pose pip 5 e Replace the indoor unit w 15 5 14 99 Indoor Freeze Prevention Protection Cooling or Soft Dry Error code will not display no TIMER LED blinking but store in EEPROM Malfunction Decision Conditions Freeze prevention control takes place when indoor pipe temperature is lower than 2 C Malfunction Caused Air short circuit Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger 2 3 way valve closed Faulty indoor fan motor Refrigerant shortage refrigerant leakage 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 connect the component Check the air passage YES Is there any short circuit e Provide sufficient air passage NO Check the indoor unit air filter Is the air filter dirty YES Clean the air filter NO Check the dust accumulation on the indoor unit heat exchanger 5 5 Is the indoor unit heat exchanger dirty e Clean the indoor unit heat exchan
95. res More than 8 C 15 minutes after an operation is started at cooling mode Above 14 C 15 minutes after an operation is started at heating mode Less than 8 C at the cooling mode Less than 14 C at the heating mode Value of electric Higher than specified current during operation Dusty condenser preventing heat radiation e Measuring the air temperature difference Intake air temperature Outlet air temperature e Measuring electric current during operation Lower than specified Excessive amount of refrigerant Cooling Mode Gas side pressure Heating Mode 15 2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current Cooling Mode Heating Mode Condition of the air conditioner Low Pressure High Pressure Electric current Low Pressure High Pressure Electric current during operation during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression V V 444 N V V Vv VXV Vv VXV Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 58 15 3 Breakdown Self Diagnosis Function 15 3 1
96. rvice ports of both the liquid and gas side valves CAUTION Use two wrenches and tighten with regular torque Flare nut fastening torque N m kgf cm 06 35 mm 18 180 912 7 mm 55 560 019 05 mm 100 1020 09 52 mm 42 430 015 88 mm 65 660 Liquid size piping Gas side piping 06 35 mm 1 4 012 7 mm 1 27 35 11 3 4 INDOOR UNIT DRAIN PIPING During drain piping connection be careful not to exert extra force on the drain port at the indoor unit The outside diameter of the drain connection at the indoor unit is 32mm Piping material Polyvinyl chloride pipe VP 25 and pipe fittings Be sure to perform heat insulation on the drain piping Heat insulation material Polyethylene foam with thickness more than 8 mm local supply Drain piping must have down slope 1 50 to 1 100 be sure not to provide up and down slope to prevent reversal flow Be sure to check no air trap on drain hose and to ensure smooth water flow and no abnormal sound SK x Upward routing Gown slope pi N K Ks Pipe clamp Upward siope Q Air Trap No Ait Trap Down slope n The height of drain may be possible up to 750 mm When drain set piping install as shown in the figure below Apply the head when connecting with the Drain port Down slope 1 50 1 100 confluence pipe abou
97. sink 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 Multi Models Only Compressor OL connector poor contact Compressor OL faulty Troubleshooting When F96 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 Is there any improper heat radiation Remove the obstacle s Clean the outdoor heat exchanger NO Replace the outdoor fan motor e Defect in IPM e Replace the outdoor unit PCB Is outdoor fan motor operating 80 15 5 21 F97 Compressor Overheating Malfunction Decision Conditions During operation of cooling and heating when compressor tank temperature data 112 C is detected by the compressor tank temperature sensor Malfunction Caused Refrigerant shortage refrigerant leakage 2 3 way valve closed Detection error due to faulty compressor tank temperature sensor Troubleshooting When F97 indication happens For safety reason and to prevent component A breakdown always switch off the power Caution before remove
98. t 100 mm mM o A Ss Elbow Indoor DRE unit N A D indoor unit Elbow 2 Down slope 1 50 1 100 Use VP30 or more for confluence Nl y 222 Drain Test The air conditioner uses a drain up motor to drain water Use the following procedure to test the drain up motor operation Connect the main drain pipe to exterior and leave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain up motor for normal operating and noise when electric wiring is complete When the test is complete connect the flexible drain hose to the drain port Pour about 600 700cc of water in the drain pan of the indoor unit Pour from the position specified in the drawing by using a water supply bottle or other suitable tool Press the drain pump test run on pcb to start the drain motor and verity water drainage The drain motor will automatically stop after operating for about five minutes Feed water PQ Drain hose Main drain pipe port Glue the joint Drain hose connection Drain pan Use the clip accessory Air outlet vent Drain up motor 36 11 3 5 HEAT INSULATION Be sure to perform heat insulation on the drain liquid and gas piping Imperfection in heat insulation work leads A CAUTION water leakage 1 Use the heat insulation material for the refrigerant piping which has an excell
99. t 12 5 0 125 2 5 50 135 L 5 0 133 22 32 124 i2 6 0 2129 12 6 8 112 2 116 i2 D 124 0 134 2 120 E 0 128 22 0 136 2 124 72 0 132 2 128 2 0 136 12 10 6 2080 19 3 Features Inverter Technology Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control Environment Protection Non ozone depletion substances refrigerant R410A Long Installation Piping Long piping up to 20 meter Easy to use remote control Quality Improvement 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 Operation Improvement Quiet mode to reduce the indoor unit operating sound Powerful mode to reach the desired room temperature quickly 24 hour timer setting Serviceability Improvement Breakdown Self Diagnosis function 20 4 Location of Controls and Components 41 Indoor Unit Control Panel POWER Green TIMER Orange a POWERFUL Orange QUIET Orange AUTO AIR SWING Orange Receiver Auto OFF ON button Airflow direction louver Air filter SE S Intake grille Ee 4 2 Outdoor Unit Air inlet rear Air inlet side Air outlet 4 3 Remote Control Transmitter LCD d
100. t an angle so that the water smoothly flows out AUTO SWITCH OPERATION The following operations can be performed by pressing the AUTO switch AUTO switch 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the O POWER Auto Switch is pressed dues O 2 TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE QUIET The Test Run operation will be activated if the Auto AIR SWING Switch is pressed continuously for more than 5 sec to below 8 sec A pep sound will occur at the fifth sec in order to identify the starting of Test Run operation O POWERFUL 42 CHANGING THE REMOTE CONTROL TRANSMISSION CODE 1 Press AUTO SW continuously for 11 seconds buzzer sound pep pep pep 2 After 11 seconds release AUTO SW then press Remo Con TIMER W SW continuously for 5 seconds Reset code will be transmitted After the reset code is transmitted release TIMER SW 3 Press Remo Con OFF ON button The new Remo Con No will be accepted and memorized after which the new Remo Con No can be used REMO CON NO CHANGE IN REMOTE CONTROL 1 Remove the batteries from the battery compartment of the Remote Control 2 On the left side of the battery compartment there is a small opening in the centre in which Jumper J_A can be seen In the accepted Remo Con PCB shown beside Jumper J_B can be seen
101. ted e Replace indoor Replace fan motor 66 15 5 7 23 Indoor Pipe Temperature Sensor Abnormality Malfunction Decision Conditions 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 Faulty connector connection Faulty sensor 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 PCB 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 e Connector poor contact Correct connection YES Check the outdoor air temperature sensor e Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor intake air temperature sensor 15 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 e Detect in outdoor unit PCB Replace the outdoor unit PCB Sensor Thermistor Characteristics NAJ J N ONI N Resistance 3 10 0 10 20 30 40 50 T
102. ture Internal Setting Temperature lt 1 5 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature gt Compressor OFF point 12 1 3 Soft Dry Operation 12 1 3 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperate 2 0 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 12 1 4 Heating Operation 12 1 4 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperate gt 2 0 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 44 12 1 5 Automatic Operation 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 During operation mode judgment indoor fan motor with speed of Lo and outdoor fan motor are running for 30 seconds 10 detect the indoor intake and outdoor air temperature The operation mode is decided based on below chart Indoor intake air temperature C 2 Heating Mode Soft Dry Mode Cooling Mode Remote Control setting temperature 1 1 1 1 1 1 1 1 9 21 23 25 Outdoor air temperature C Every 30 minutes the i
103. unit 3 Is the Vdc fluctuate between 20 70Vdc NO 1 Replace outdoor PCB YES Reconnect terminal 3 wire and measure Vdc between terminal 2 amp 3 from the outdoor unit g Is the Vdc fluctuate between 20 50Vdc NO 5 Replace indoor unit PCB 61 15 5 2 12 Indoor Outdoor Capacity Rank Mismatched Malfunction Decision Conditions 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 A component breakdown always switch Caution off the power before remove and connect the component Check the indoor and outdoor unit connection wires Is there any wiring error YES Correct the indoor outdoor units connection wires NO Check indoor and outdoor units model number Is indoor unit and outdoor unit model numbers matched 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 2 2 Matched compatibility page for the spec
104. ve panel has its installation direction Confirm the direction by displaying the piping side 1 Remove the air inlet grille by moving the catchers to center Air inlet grill Hinge Air inlet grill Hang the hinge on the hole of decorative panel The direction of the installation is free Decorative panel 2 Fitting the decorative panel Temporarily secure the fixing screws 3 pcs before fitting the decorative panel For temporarily securing the front grille Place decorative panel on the screws 3 pcs before fitting move decorative panel as illustrated and tighten all the screws 4 pcs 38 A CAUTION Check before hand the height from the ceiling to the unit The front grille fitting direction is determined by the unit direction Only use the screws with the length of 35mm which 15 provided to fix the decorative panel Do not use other screw which is longer it may cause damage to the drain pan and other components Securing the tentative screw Approx 20mm Piping direction Decorative Panel moving direction 4 Tighten this screw first after hanging the grille frame Front grille fixing screws 4 pcs 3 Fit the decorative panel and ceiling wall together and confirm no gap in between Readjust indoor unit height if there is a gap between ceiling wall and decorative panel E ARAR TA Ceiling h

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