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Indoor Unit Outdoor Unit CS-VE9NKE CS-VE12NKE

1. 11 1 1 Indoor Unit 11 1 3 Indoor Outdoor Unit Installation e Do not install the unit in excessive oil fume area Diagram such as kitchen workshop and etc e There should not be any heat source or steam Indoor Outdoor Unit Installation Diagram near the unit Piping direction Attention not to bend Length of power supply cord 3 Front side up drain hose e There should not be any obstacles blocking the air Right L T X About About circulation na 6 ee ui Right Left Left Aplace where air circulation in the room is good oftom Fear E e i i z A place where drainage can be easily done RUE TT A place where noise prevention is taken into 717 should purchase consideration Do not install the unit near the door way e Ensure the spaces indicated by arrows from the 7 Installation plate 1 wall ceiling fence or other obstacles Sleeve X m s B Bushing Sl x e Recommended installation height for indoor unit pat eee shall be at least 2 5 m 25 Gum Type Sealer B i E o td wal as ible but b ful 11 1 2 Outdoor Unit a doesn t break a e Ifan awning is built over the unit to prevent direct sunlight rain be careful that heat radiation from condenser is not obstructed _ of piping connections EP area anne Carry out insulation after m out a drainage test There should not be any animal or
2. Indoor CS VE9NKE Model Outdoor CU VE9NKE Type Cross flow fan Material AS GF Resin Motor Type PWM 8 poles Input Power 23 6 Output Power 40 Cool rpm 600 QLo 5 Heat rpm 640 640 9 Lo Heat rpm 720 Cool rpm 960 Speed Me Heat rpm 980 Cool rpm 1110 Hi Heat rpm 1110 Cool rpm 1190 Shi Heat rpm 1110 Type Propeller Fan Flat piece Material PP 5 Motor DC Brushless 8 poles 8 Input Power kw 51 61 5 Output Power 40 Cool rpm 910 Speed Hi Heat rpm Moisture Removal L h Pt h 1 5 3 2 et Cool m min f m 3 5 124 Heat m min f m 4 0 141 Cool m min f m 4 0 141 Heat m min f m 5 1 180 Cool m min f m 8 1 286 Indoor Airflow Me Heat m min ft m 8 4 297 Cool m min f m 10 0 353 i Heat m min 10 0 353 ET Cool m min ft m 11 0 388 i Heat m min ft m 10 0 353 Cool m min ft m 33 0 1165 33 0 1165 Outdoor Airflow Hi 3 Heat m min ft m 31 5 1112 31 5 1112 Control Device Expansion Valve Refrigeration 7 3 Cycle Refrigerant Oil cm FV50S 450 Refrigerant Type g oz R410A 1 50k 52 9 Height I D O D mm inch 295 11 5 8 623 24 1 2 Dimension Width I D O D mm inch 890 35 799 31 1 2 Depth I D O D mm inch 275 10 7 8 299 11 3 4 Weight Net I D O D kg lb 14 5 32 43 95 Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 Standard leng
3. 12 10 2 Outdoor Unit eee es eee en eee eeees 23 5 Dimensions 13 11 Installation 24 5 1 Indoor Unit and Remote Control 13 11 1 Select the Best Location 24 5 2 Outdoor 14 11 2 Indoor Unit eenen 25 6 Refrigeration Cycle 45 11 3 Outdoor 30 7 Block Diagram 16 Tec OPETAN C OHIO ee 12 1 Basic Function nnee 33 8 Wiring Connection Diagram 17 12 2 Indoor Fan Motor Operation 35 8 1 Indoor Unit elie ee 17 12 3 Outdoor Fan Motor Operation 38 Panasonic Corporation 2012 Panasonic 12 4 Airflow Direction nn 38 12 5 Quiet 41 12 6 Powerful Mode Operation 41 12 7 Timer Controli nennen 41 12 8 Auto Restart 42 12 9 Indication 42 12 10 nanoe G 43 12 11 8 10 C Heat Operation 45 12 12 AUTO COMFORT and ECONAVI Operation ea ertsen et eoe EG eed 46 13 Protection Control 53 13 1 Protection Control for All Operations 53 13 2 Protection Control for Cooling
4. 4 The first 30 minutes of cooling operation A will be applied Outdoor temperature range 39 1 C Range B 37 1 C Outdoor temperature Cooling Maximum Current Limit Outdoor temperature range Outdoor temperature range Max Current limited No limit No limit Outdoor temperature VE9NKE VE12NKE Heating 53 Max Current limited Outdoor temperature 13 1 3 IPM Power Transistor Prevention Control e Overheating Prevention Control 1 When the IPM temperature rises to 120 C compressor operation will stop immediately 2 Compressor operation restarts after 3 minutes the temperature decreases to 110 C 3 If this condition repeats continuously 4 times within 20 minutes timer LED will be blinking 96 is indicated e DC Peak Current Control 1 When electric current to IPM exceeds set value of 20 A the compressor will stop operate Then operation will restart after 3 minutes 2 If the set value is exceeded again more than 30 seconds after the compressor starts the operation will restart after 1 minute 3 If the set value exceeded again within 30 seconds after the compressor starts the operation will restart after 1 minute If this condition repeats continuously for 7 times all indoor and outdoor relays will be cut off timer LED will be blinking F99 is indicated 13 1 4 Compressor Overheating Prevention Control e Instructed frequency for compressor operation will be reg
5. SAFETY REF NO DESCRIPTION amp NAME QTY CU VE9NKE CU VE12NKE REMARK 56 UNION NUT 3 8 1 CWT251049 57 BOARD COVER 1 CWH131551 58 HOLDER P S CORD 1 CWH311082 59 CONTROL BOARD COVER 1 CWH13C1214 60 SCREW 2 CWH551060J 61 1 CWG50C2950 62 5 ABSORBER 1 CWG713492 63 5 ABSORBER 1 CWG713493 64 1 CWG568489 65 MODEL LABEL 4 CWF858652 CWF858653 Note All parts are supplied from ACBU Japan Vendor Code 00025800 O marked parts are recommended to be kept in stock 140 Printed in Japan YB0712 0
6. dB A 45 33 30 45 33 30 Power Level dB 60 60 Outdoor Noise dB A 50 50 H L Power Level dB 65 65 Extr Low Temp Capacity kW l Power W 5 60 2 80k 2 00 Max Current A Max Input Power W 15 0 3 45k Starting Current A 4 1 3 9 Compressor Type Hermetic Motor Rotary Motor Type Brushless 6 poles Output Power 900 Indoor CS VE12NKE Model Outdoor CU VE12NKE Type Cross flow fan Material AS GF Resin Motor Type PWM 8 poles Input Power 28 5 Output Power 40 Cool rpm 660 QLo 5 Heat rpm 750 Cool rpm 740 9 Lo Heat rpm 870 Cool rpm 1040 Speed Me Heat rpm 1050 T Cool rpm 1190 i Heat rpm 1140 Cool rpm 1270 Shi Heat rpm 1140 Type Propeller Fan Flat piece Material PP 5 Motor Type DC Brushless 8 poles 8 Input Power kw 57 29 E Output Power 40 960 Speed Hi Heat rpm Moisture Removal L h Pt h 2 0 4 2 ae Cool m min f m 4 3 152 Heat m min f m 5 4 191 1 Cool m min f m 5 3 187 Heat m min f m 6 9 244 Cool m min f m 9 0 318 Indoor Airflow Me 3 Heat m min ft m 9 1 321 Cool m min f m 10 9 384 i Heat m min f m 10 3 362 Cool m min ft m 11 9 420 i Heat m min
7. Electrical component cover front M 4 Disconnect the connector CN SWSEN white connected to the control board 5 Pressthe tab 1 location on top of the control board emergency operation switch amp buzzer and remove the control board emergency operation switch and buzzer Control board emergency operation switch amp buzzer 101 16 1 7 Removing the Human and Object Sensor of the Control Board Indicator and Signal Receptor 1 Perform 16 1 1 Removing the Front Panel 2 Perform 16 1 3 Removing the Front Grille Right and Front Grille Left 3 Disengage the tabs 2 locations on both sides of the indicator panel Then remove the indicator panel 4 the indicator panel and remove the screws 2 pieces How to remove the human and object sensor 1 Disconnect the connectors 2 locations for the control board signal receptor 2 Remove the fixing screw 1 piece of the human and object sensor Then remove the human and object sensor 3 Remove the electrical component cover front on the right side of the control board box There are two tabs on top and one tab at the bottom Electrical component cover front 102 4 Disconnect the connector CNSTM4 blue connected to the control board How to remove the control board signal receptor 1 Disconnect the connectors 3 locations and disengage the tabs 3 locations on the control board signal receptor Th
8. C Indoor wet 30 35 40 bulb temp SHC IP TC SHC IP TC SHC IP 17 0 C 247 151 044 231 144 048 215 139 051 19 0 C 2 5 0 49 19 5 C 2 73 158 045 256 1 51 049 238 146 0 52 22 0 C 2 98 163 046 278 1 57 049 259 151 0 53 e CS VE12NKE CU VE12NKE 230V Outdoor Temp C Indoor wet 30 35 40 bulb temp SHC IP TC SHC IP TC SHC IP 17 0 C 347 201 080 325 1 92 086 302 185 0 93 19 0 C 3 5 2 0 0 88 19 5 C 381 210 081 357 202 088 332 1 94 0 95 22 0 C 416 218 083 3 88 209 0 90 361 202 0 96 TC Total Cooling Capacity kW SHC Sensible Heat Capacity kW IP Input Power Indoor 27 C 19 C Outdoor 35 C 24 C 133 18 Exploded View and Replacement Parts List 18 1 Indoor Unit 134 E CS VET2NKE ibn Mri rer CU VE12NKE be Guvenren GD eecoccco The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts Note 135 SAFETY REF NO PART NAME amp DESCRIPTION QTY CS VE9NKE CS VE12NKE REMARK 1 CHASSIS 1 CWD50C1740 2 MOTOR SMALL DC 1 ARW7714AC 3 CROSS FLOW FAN AS
9. When sunlight sensor disconnection error counter reached 15 times H70 occurred No TIMER indicator or ECONAVI indicator blink e When error code happened the unit is able to operate without sunlight sensor 52 13 Protection Control 13 1 Protection Control for All Operations 13 1 1 Restart Control Time Delay Safety Control e 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 e This phenomenon is to balance the pressure inside the refrigerant cycle 13 1 2 Total Running Current 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 10 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 Model VE9NKE VE12NKE Hz 50 60 50 60 Operation Mode X A Y A X A Y A X A Y A X A Y A Cooling Soft Dry A 3 91 16 76 3 90 16 69 7 41 16 76 7 41 16 69 Cooling Soft Dry B 3 91 16 76 3 90 16 69 6 44 16 76 6 44 16 69 Cooling Soft Dry C 3 91 16 76 3 90 16 69 5 14 16 76 5 15 16 69 Heating 11 05 16 76 11 09 16 69 13 02 16 76 13 04 16 69
10. An abnormality is observed Replace the indoor unit pipe temperature sensor Check for the characteristics of the indoor unit pipe temperature sensor X Refer to the characteristic table for electronic circuit diagram Remove the connector and check the resistance value of the sensor No abnormality is observed Replace the indoor unit control board X For some models the sensor is not connected by a connector but itis directly soldered to the board In this case replace the control board Check of the voltage applied to 4 way valve coil during operation Latch type Two times of DC12V on the cooling or heating side terminal of the 4 way valve coil for about 2 seconds Interval is 5 to 240 sec DC driven type An abnormality The following voltage is present on the both ends of the 4 way valve coil is observed Heating operation DC15V for 4 sec at the start and subsequently DC3V Cooling operation DCOV Replace the outdoor unit control board X Refer to electronic circuit diagram for the driving method of 4 way valve No abnormality is observed There is no continuity Check for the continuity of the 4 way valve coil Replace 4 way valve coil There is continuity RU eplace 4 way valve 85 15 4 23 F16 Cooling Dry Switching Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Disconnection Imperfect Check for bad connection of the connector of the indoor unit pipe connection of th
11. Note on disassembly Be careful of the water in the drain hose and drain pan 106 16 1 11 Removing the Drive Motor of the Vertical Airflow Direction Louver Upper and NOOR WD Lower Louvers Perform 16 1 1 Removing the Front Panel Perform 16 1 2 Removing the Air Filters Perform 16 1 3 Removing the Front Grille Right and Front Grille Left Perform 16 1 4 Removing the Control Board Box Perform 16 1 8 Removing the Air Filter Frame Auto Cleaner Perform 16 1 11 Removing the Blowout Grille Remove the drive motor fixing screws 2 pieces each on the right side of the blowout grille Then remove the lower louver driving motor and upper louver driving motor Upper louver drive motor Fixing screw of upper louver drive motor Lower louver drive motor Fixing screw of lower louver De drive motor 16 1 12 Removing the Drive Motor of the Horizontal Airflow Direction Louver Right and NOORWN Left Louvers Perform 16 1 1 Removing the Front Panel Perform 16 1 2 Removing the Air Filters Perform 16 1 3 Removing the Front Grille Right and Front Grille Left Perform 16 1 4 Removing the Control Board Perform 16 1 8 Removing the Air Filter Frame Auto Cleaner Perform 16 1 11 Removing the Blowout Grille Remove the lower louver drive motor according to 16 1 12 Removing the Drive Motor of the Vertical
12. When the air conditioner is operated after the power is OFF and then ON is the following voltage present between the white and black terminals on the outdoor unit 100V model AC100V 200V model AC200V The voltage is present The voltage is not present Is there continuity between the indoor unit terminal white and There is no continuity TAB2 connected to the indoor unit control board There is continuity No disconnected wire or Check for disconnection of the wire or check the insulation insulation resistance error resistance between red white red black and white black Disconnected wire or insulation resistance error Check if DC40 55V is present between the white and red terminals when the red wire communication wire is disconnected from the outdoor unit terminal The voltage is present The voltage is not present The following method can be used for the models from 2003 onwards 1 Remove the red wire communication wire from the outdoor unit terminal 2 Connect a resistor 10 15k between the white and red terminals 3 Short circuit between CN S terminals on the outdoor unit control board using a clip etc 4 Supply AC current to the outdoor unit operate the air conditioner Check the operations of the outdoor fan motor and compressor when AC current is supplied Outdoor unit fan motor amp compressor do not work Disconnection Imperfect 4 connection of the connector Check for bad conne
13. 1 640 lt gt 1030 Normal Cool dry Range 2 540 Range 660 gt Powerful Long 660 Initial ag airflow When the area control 980 a S is in operation a Airflow Powerful Long 540 760 stable When the area control unstable in operation 05404 7080 Fan speed Manual 550 690 790 890 990 Normal 710 At the start of amp Powerful operation 1d Lon speed 9 Not lol start of 1090 Auto operation ui When ihe area contol isin Min rotation speed for each of the following fields operation Clothes drying 1230 Fan speed Manual o 380 540 650 650 730 890 1050 10 Unstable 830 gt 1100 Normal Stable 910 gt 1100 830 lt gt gt 1220 1300 when the setting is changed from Hi to Powerful on the remote Powerful control Initial Long Right Left 830 lt 1400 1300 when the setting is changed from Hi to Long on the remote control i Long Other than ANE airflow 9 lt Right Left 830 lt gt 1240 1300 when the setting is changed from Hi to Long on the remote control I speed fta When the area control 830 1220 is in operation Powerful 950 1050 Airflow ong Ronen 970 lt 1090 stable ong erihan en unstable Right Left 970 1070 When the area control 2 is in operation X1 950 lt 1050 Hot Dry max 730 Individual ventilation Fan speed Manual 580 660 820 980 1150 NANOE Fan speed A
14. Check for clogged filter on the indoor unit Clean the filter No abnormality is observed Disconnection Imperfect i i i connection of the connector Check for bad connection of the connector of indoor unit heat Fix the problem exchanger temperature sensor No abnormality is observed Check for the characteristics of the indoor unit heat exchanger An abnormality is observed Replace the indoor unit heat temperature sensor ed P exchanger temperature sensor X Refer to the characteristic table for electronic circuit diagram Remove the connector and check the resistance value of the sensor No abnormality is observed Replace the indoor unit control board X For some models the sensor is not connected by a connector but it is directly soldered to the board In this case replace the control board 83 15 4 21 99 Indoor Unit Heat Exchanger Freezing Protection Error Code is to be Stored in the Memory only Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Filter is clogged Check for clogged filter on the indoor unit No abnormality is observed Rotation is slow Is the rotation of the indoor unit fan motor slow Disconnection Imperfect connection of Check for bad connection of the connector of the indoor unit pipe temperature the connector Sensor No abnormality is observed No abnormality is observed An abnormality Check for the characteristics of the indoor unit heat exc
15. E 8 FEN BI D E RR ER 1 090 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Outdoor Temperature C 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Outdoor Temperature C 125 Piping Length Characteristic Cooling Condition Room temperature 27 C DBT 19 C WBT Outdoor temperature 35 C DBT Fc 29Hz 230V 14 500 14 400 14 300 utlet Air C 14 200 R gt e 14 000 2 550 2 500 A a 2 400 Capacity kW 2 350 2 300 Gas Side Piping Pressure MPa 5 e 2 210 2 205 2 200 Current A 2 195 2 190 2 185 Piping Length m 126 Heating Characteristic Condition Room temperature 20 C DBT Piping length 5m Fh 37Hz Gas Side 45 000 35 000 25 000 15 000 5 000 5 000 15 000 25 000 Outlet Air C 20 18 16 14 12 10 8 6 4 2 Outdoor Temperature C 0 500 4 1 000 20 18 16 14 12 10 8 6 A 2 0 Outdoor Temperature C 2 1 500 2 20 18 16 714 12 10 28 761 4 Outdoor Temperature C Current A 20 18 16 14 12 10 8 6 4 2 0 Outdoor Temperature C 127 Piping Length Characteristic Heating Condition Room temperature 20 C DBT Outdoor temperature 7 0 C DBT 6 0 C WBT Fh 37Hz 35 700 35 650 G 35 600 35 550 lt 35 500 3 35450 amp 35 400 35 350
16. Sunlight sensor error When 24 hour disconnection is detected for 15 consecutive days the diagnosis code e Sunlight sensor H70 is displayed on the indoor unit and ECONAVI LED is OFF The air conditioner Bad connection of continues the operation connector Points of diagnosis 1 Failure of the sunlight sensor 2 Detached sunlight sensor connector H96 2 and 3 way valve Failure to open the 2 and 3 way valve is detected based on the changes in indoor unit e 2 and 3 way valve opening failure check intake air temperature and indoor unit pipe temperature The time required for this opening failure detection is approximately 10 minutes when in COOL mode and approximately 25 minutes when in HEAT mode Points of diagnosis 1 Check if the 2 way and 3 way valves are closed H97 Outdoor unit fan If a rotation error too high low speed is detected for 10 consecutive seconds only the e Outdoor unit control motor lock error fan motor is stopped and then restarted If the rotation error is detected 2 consecutive times or if an overcurrent fan motor current 3A and above is detected the compressor is stopped and then restarted after 180 seconds If the error or overcurrent is detected two times within 20 minutes this error code is displayed Points of diagnosis 1 Check for outdoor unit fan motor lock 2 Poor contact and detached fan motor connector fan motor failure and outdoor unit control board 65
17. sleep timer has been reached set Heating Cooling Dry 2hr 3hr B 4 According to remote control clock Temperature Shift Status 1 Status 2 Status 3 Status 4 Cooling 0 1 2 3 Set temperature C Heating 0 1 2 3 Stop condition Reached delay time Pressed sleep button to cancel Unit is OFF 12 8 Auto Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes This type of control is not applicable during ON OFF Timer setting This control can be omitted by open the circuit of JP1 at indoor unit printed circuit board 12 9 Indication Panel LED POWER TIMER 8 10 C HEAT nanoe G Color Green Orange Green Blue Green Light ON Operation ON Timer Setting ON 80 HEAT nange G ECONAVI ON Light OFF Operation OFF Timer Setting 810 O HEAT econavi 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 If Timer LED is blinking there is an abnormality operation occurs 42 12 10 Operation This operation provides clean air by producing
18. 1 MPa Then evacuate the air approximately ten minutes 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 TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve Tighten the service port caps of the 3 way valve at a torque of 18 Nem with a torque wrench Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm Mount valve caps onto the 2 way valve and the 3 way valve sure to check for gas leakage If gauge needle does not move from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa in step 8 above take the following measure If the leak stops when the piping connections are tightened further continue working from step If the leak does not stop when the connections are retightened repair location of leak Do not release refrigerant during piping work for installation and reinstallation Take care of the liquid refrigerant it may cause frostbite 31 11 3 4 Connect the Cable to the Outdoor Unit 1 2 Remove the control board cover from the unit by loosening the screw Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1 5 mm flexible cord type designation
19. 10 3 364 Cool m min f m 34 2 1208 34 2 1208 Outdoor Airflow Hi 3 3 Heat m min ft m 31 5 1112 31 5 1112 Control Device Expansion Valve Refrigeration 3 Cycle Refrigerant Oil cm FV50S 450 Refrigerant Type g oz R410A 1 50k 52 9 Height I D O D mm inch 295 11 5 8 623 24 1 2 Dimension Width I D O D mm inch 890 35 799 31 1 2 Depth I D O D mm inch 275 10 7 8 299 11 3 4 Weight Net I D O D kg lb 14 5 32 43 95 Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 Standard length m ft 5 0 16 4 2 Length range min max m ft 3 9 8 15 49 2 d I D amp O D Height different m ft 5 0 16 4 Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 7 5 24 6 Indoor CS VE12NKE Model Outdoor CU VE12NKE Inner Diameter mm 16 7 Drain Hose Length mm 650 Indoor Heat Fin Material Aluminium Pre Coat Exchanger FPI 26 5 17 Fin Material Aluminium Pre Coat Outdoor Heat Fin Type Corrugated Fin Exchanger Row x Stage x FPI 2 x 32 x 19 5 871 6 x 586 24 x 37 8 Size W x H x D mm 8404 Power Supply Indoor Power Supply Power Supply Cord A Nil Thermostat Electronic Control Protection Device Electronic Control DRY BULB WET BULB Maximum 32 23 Cooling Minimum 16 11 Indoor Operation Range Maximum 30 Heating Minimum 16 Maximum 43 26 Cooling Minimum 10
20. 245 IEC 57 or heavier cord Connect the connection cable between indoor unit and outdoor unit according to the diagram below Terminals on the indoor unit Colour of wires Terminals on the outdoor unit Secure the connection cable onto the control board with the holder Attach the control board cover back to the original position with screw For wire stripping and connection requirement refer to instruction 11 2 5 of indoor unit N WARNING This equipment must be properly earthed Note Terminal Board Earth Wire longer than others AC wires for safety reason Indoor amp outdoor connection cable Indoor amp outdoor connection cable Indoor Unit Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason 11 3 5 Piping Insulation 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 If drain hose or connecting piping is in the room where dew may form please increase the insulation by 1 2 using POLY E FOAM with thickness 6 mm or above 32 12 Operation Control 12 1 Basic Function Inverter control which equipped with a microcomputer in determining the most suitable operating mode as time passes automatically adjusts
21. 6 Removing the Outer Side Panel Right 1 2 3 Perform 16 2 1 Removing the Outer Top Panel and Outer Front Panel Perform 16 2 2 Removing the Electrical Component Covers 2 amp 3 way valve Cover and Terminal Plate Cover Disconnect the connector of the indoor outdoor connection wires red white and black and remove the fixing screw of the earth wire green Remove the screw 1 piece which fixes the power supply box to the outer side panel right Fixing screw of Earth wire outer side panel right Earth wire Connector of the Fixing screw indoor outdoor connection wires 115 5 Pull the outer side panel right towards you while pulling up the fixing tab 1 location of the power supply box to disengage the tab Pull towards you f Fixing tab 6 Remove the fixing screws 5 pieces of the outer side panel right and remove the outer side panel right Note on disassembly When removing the outer side panel right by pulling it upward be careful not to allow the side of the outer side panel to come into contact with the pipe insulation material tape to avoid damage and tear of these materials 116 16 2 7 Removing the Compressor and Heat Storage Tank Perform 16 2 1 Removing the Outer Top Panel and Outer Front Panel Perform 16 2 2 Removing the Electrical Component Covers 2 amp 3 way valve Cover and Terminal Plate 1 2 3 4 5 Cover Perform 16 2 3 Re
22. C continuously for 6 minutes compressor will stop operating e Compressor will resume its operation 3 minutes after the indoor heat exchanger is higher than 5 C e Atthe same time indoor fan speed will be higher than during its normal operation e f indoor heat exchanger temperature is higher than 5 C for 5 minutes the fan speed will return to its normal operation 13 2 4 Freeze Prevention Control 2 e Control start conditions o During Cooling operation and soft dry operation During thermo OFF condition indoor intake temperature is less than 10 C or Compressor stops for freeze prevention control o Either one of the conditions above occurs 5 times in 60 minutes e Control contents o Operation stops o Timer LED blinks and H99 indicated 55 13 2 5 Dew Prevention Control 1 e To prevent dew formation at indoor unit discharge area e This control will be activated if o Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled o When Cooling or Dry mode is operated more than 20 minutes or more e This control stopped if o Compressor stopped o Remote control setting changed fan speed temperature o Outdoor air temperature and indoor intake temperature changed Fan speed will be adjusted accordingly in this control 13 2 6 Odor Cut Control To reduce the odor released from the unit o Start Condition AUTO FAN Speed is selected during COOL or DRY operation During freeze
23. Check the AC current flowing in the white wire on the outdoor unit 0 7A and above 3 terminal Measure the current when the compressor is rotating almost Replace the outdoor unit control board at its maximum operating speed Below 0 7A Higher than the standard value Check the gas pressure during the rated cooling operation Replace the compressor Lower than the standard value There is no gas leak Check for presence of gas leak bri the capillary tube or expansion There is a gas leak Replace the part from which gas is leaking 72 15 4 10 H19 Indoor Unit Fan Motor Lock Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken A foreign object is 5 V Stuck on the fan Check if a foreign object is stuck on the fan Fix the problem No foreign object is stuck on the fan Disconnection Imperfect connection of the connector Check for bad connection of the fan motor connector No abnormality is observed Check the resistance between 4 1 and between 2 5 of the Either one is short circuited fan motor connector Replace the indoor unit fan motor No short circuit When the power is supplied to the indoor unit is the following voltage present between the following connectors of the indoor unit fan motor Between 4 1 DC140V or 280V VNA gee present Between 5 4 DC15V Measure the voltage after the fan motor connector is removed from the
24. Heating Deice Operation 4 way valve is switched and deicing is performed by cooling cycle o Unit stop heating operation for maximum 12 minutes o During this operation the power indicator blinks and the vertical airflow direction louver is left open 57 e Non stop heating deice operation is prohibited when any of the following condition is met o Protection control that limit capacity o Heat charge temperature sensor abnormal o Heat charge cycle abnormal o Outdoor pipe temperature sensor 2 abnormal outdoor temperature range falls under 30 C Deice stop condition o Outdoor air temperature is more than 9 C 13 3 7 Heat Storage 2 Way Valve Control e Quick Heating o Heat storage 2 way valve will open for 30 seconds to speed up heating during Powerful heating start time e Thermo OFF comfortable control o Heat storage 2 way valve will open before thermo OFF to change the room temperature during thermo OFF and to reduce loss during thermo ON e Start condition 1 Area A continue for 2 minutes Area A 2 Outdoor piping temperature 2 3 C 3 Indoor piping temperature z 40 C 4 More than 5 hour after deice completed 1 C 5 After more than 20 minutes 6 Compressor ON 1 5 C Free Intake Temperature Setting Temperature e Control content Heatstorage 2 way valve ON and OFF maximum 3 times consecutively 5sec 20sec 58 14 14 1 Servicing Mode Auto OFF ON Button Auto OFF ON Auto OFF ON Aut
25. Initial Same with normal neuro unbalance Detect 9 area left and e p right for 2 8kW below Balance model o no o ane B amp Unbalance 0 0 30 30 30 30 n 2 Same with during auto A Area 40 40 40 40 40 40 normal neuro balance time 5 Middle Setting 40 40 40 40 2 Right Setting 0 0 20 20 30 30 40 50 30 0 0 30 40 40 Left Setting 40 40 50 40 Initial Powerful 0 0 10 10 10 10 Human detection direction It is suitable in the direction which detect 512 people the following 2 Normal other than 9 lt b 35 35 35 35 35 0 0 35 0 35 35 0 above Detect 9 area left and right for 2 8kW below 2 model En OS 5 Normal 0 0 20 20 35 35 35 35 35 0 0 35 35 35 Human Detection Auto Same as normal cooling auto operation pua Soft Dry Direction Manual Same as normal cooling manual operation Airflow direction during Auto 56 C 52 C 56 C 21 C 29 C Low temperature range 18 C Indoor pipe temperature C Indoor Intake temperature C Indoor pipe temperature during Hi and Quiet fan 40 12 5 Quiet Operation e Purpose o provide quiet cooling operation compare to normal operation e Control condition o Quiet operation
26. Night Night COOL DRY Mode Set Temperature HEAT Mode o Set Temperature o is activated while it is cloudy night e ECONAVI is activated while it is sunny 51 12 12 3 5 Sunlight Sensor Check Mode e Operation details The sunlight sensor check mode will be operated for 5 minutes During check mode the ON and OFF timer will be memorized but it operation be ignored During check mode if the sunlight sensor check code is retransmitted the 5 minutes counter will be reset During check mode if sunlight sensor detected the sunlight intensity value above minimum level the ECONAVI indicator turns ON Else if sunlight sensor detected sunlight intensity value below minimum level the ECONAVI indicator is OFF e To disable sunlight sensor check mode After check mode is ended 5 minutes counter elapsed press AUTO OFF ON button at indoor unit If the sunlight sensor detected sunlight intensity is at abnormal range the check mode will be ended Please check for error code 12 12 3 6 Sunlight Sensor Abnormality e Abnormality detection When ECONAVI is ON if the sunlight intensity value below minimum level continuously for 24 hours the sunlight sensor disconnection error counter will increase by 1 time If the ECONAVI is OFF the 24 hours timer will be reset but the sunlight sensor disconnection error counter will not be reset e Error Code judgment
27. Outdoor Fan 30 sec OFF 12 4 Airflow Direction e There are two types of airflow vertical airflow directed by horizontal vane and horizontal airflow directed by vertical vanes e Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 38 12 4 1 Vertical Airflow Vertical Airflow Direction Louver Airflow Airflow direction Auto direction Sensor Manual Normal Powerful Long Normal AUTO According to each mode Discharge temperature 35 is high Horizontal airflow 3 6kW or below 60 direction Slightly upward when there is no airflow When Front Spot or towards feet 1 4 Preset Wide is set When the furniture position has been set on the angle 10 50 40 remote control the airflow direction is set gt 5 Preset upward according to the setting angie 60 Ee When Slightly Right or temperature 57 wh 4 0 5 6kW 51 Slightly Left i 4 0kW above ina directi is medium when 6 3 7 AkW 48 ightly Left is set and above Human etecting direction there is no 40 When the furniture position has been set on the airflow remote control the airflow direction is set towards feet When Right or Left is upward according to the setting set Wh
28. Powerful on the remote control 6 Long Right Left 1300 SHi 1190 when the setting is changed from Hi to Long on the remote control a Initial Long Other than o 8 airflow Right Left 1260 SHi 1190 when the setting is changed from Hi to Long on the remote control 2 When the area control 1010 Fe is in operation Q Powerful 710 lt gt 1040 A lene Long RightLeft 730 1080 Auto stable ong er than unstable Right Left TS 1060 When the area control gt is operation x1 710 lt 1040 Normal Cool dry Range 640 Range 730 gt m Powerful Long 730 Initial a8 airflow When the area control 1010 a is in operation a Airflow Powerful Long 640 830 stable When the area control unstable in operation x1 640 lt gt 830 Fan speed Manual 550 690 790 890 990 Normal 750 At the start of amp Powerful operation 1230 S speed Long Not at the start of 1090 When SR Min rotation speed for each of the following fields operation Clothes drying 1230 Fan speed Manual o 380 540 720 720 820 960 1100 57 Unstable 920 1140 ormal Stable 940 1140 Powerful 920 lt 1260 1340 when the setting is changed from Hi to Powerful on the remote control Initial Long Right Left 920 lt 1440 1340 when the setting is changed from Hi to Long on the remote control Long Other than NE 1 airflow 9 E
29. TH 3 5K 0 0K 5 0K TL 3 5K 5 0K 3 5K Every 30 minutes the indoor and outdoor temperature is judged The Auto Operation Mode shifting will take place whenever operation mode changed from Cooling Soft Dry to Heating or vice versa 34 12 2 Indoor Fan Motor Operation 12 21 CS VEINKE Indicates the changeable range using the remote control Stop SSLo SLo Quiet Lo Lo Lo Me Me Hi SHi Fan speed Manual o 480 540 580 580 660 820 980 MEA Outside temperature is below 35 C Neuro is Outside temperature is 35 C or higher Normal with programmed air stable and Neuro is unstable as MIN 590 50 860 50rpm 940 50rpm e Powerful 1230 SHi 1180 when the setting is changed from Hi to Powerful on the remote control 6 Long Right Left 1290 SHi 1180 when the setting is changed from Hi to Long on the remote control a Initial Long Other than ae 8 airflow Right Left 1250 SHI 1180 when the setting is changed from Hi to Long on the remote control 2 When the area control i hi 980 is operation Q Powerful 640 lt gt 1030 nran Long Right Left 660 1070 speed Airflow T o s Auto stable ong er than unstable Right Left 660 1050 When the area control A is in operation
30. Te OKK 40 x 11 2 elle GS OL 5 NEN A 55 13 5 2 Outdoor Unit lt Top View gt lt Front View gt lt Side View gt lt Side View gt 2 way valve at Liquid side High Pressure way valve at Gas side Low Pressure 14 6 Refrigeration Cycle Diagram INDOOR OUTDOOR INTAKE TEMP SENSOR HEAT EXCHANGER EVAPORATOR COOLING HEATING EXPANSION SIDE VALVE STRAINER STRAINER HEAT EXCHANGER SENSOR 2 HEAT EXCHANGER CAPILLARY SENSOR OUTDOOR TEMPERATURE SENSOR YELLOW HEAT EXCHANGER CONDENSER GAS SIDE 3 WAY VALVE DISCHARGE MUFFLER DISCHARGE TEMPERATURE Q ACCUMULATOR SENSOR TEMPERATURE SENSOR Ze COMPRESSOR HEAT CHARGE STORAGE V YAT O HEAT CHARGE STORAGE SENSOR COMPRESSOR 15 7 Block Diagram NOISE FILTER LINN HOOALNO 16 ing Connection Diagram Indoor Unit 8 Wir 8 1 LINN HOOGLNO OL HOSN3S Q4VO8 1ON1NOO M AIH NI ve 25201 000000000 NI 12251700 AV1dSIG 8 10H1NOO HOLIMS TANVd 1NOH3 pe BOARD EMERGENCY EMERGENCY DRIVING BUTTOM Y G YELLOW GREEN BL BLK BLACK YIYEL YELLOW REMARKS B BLU BLUE BR B
31. and Soft Dry Operation 55 13 3 Protection Control for Heating Operation 56 14 Servicing 2 2 59 14 1 Auto OFF ON Button 59 14 2 Remote Control Button 60 15 Troubleshooting Guide 61 15 1 Refrigeration Cycle 61 15 2 Breakdown Self Diagnosis Function 63 15 3 Self Diagnosis Functions and Points of Diagnosis cete eee rte dende 64 15 4 Self diagnosis 68 16 Disassembly and Assembly Instructions 96 16 1 Points of Disassembly Indoor Unit 96 16 2 Points of Disassembly Outdoor Unit 110 17 Technical 125 17 1 Operation Characteristics 125 17 2 Sensible Capacity Chart 133 18 Exploded View and Replacement Parts List eterne 134 18 1 Indoor Unit eenen 134 18 2 Outdoor 22 138 1 Safety Precautions Read the following SAFETY PRECAUTIONS carefully before perform any servicing Electrical work must be installed or serviced by a licensed electrician Be sure to use the correct rating of the power plug and main circuit for the model installed The caution items stated here must be followed because these important contents are relate
32. at 230 V indoor temperature of 20 C outdoor 2 1 C Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature of 20 C outdoor 7 8 C Specifications are subjected to change without prior notice for further improvement ako Indoor CS VE12NKE Outdoor CU VE12NKE Performance Test Condition EN 14511 Power Supbly Phase Hz Single 50 V 220 230 Min Mid Max Min Mid Max Capacity kW 0 60 3 50 4 00 0 60 3 50 4 00 Running Current A 4 1 3 9 Input Power Ww 140 880 1 10k 140 880 1 10k Annual Consumption kWh 440 440 EER W W 3 98 3 98 Pdsign kW 3 50 E a SEER W W 8 50 8 Annual Consumption kWh en 145 Class A Power Factor 97 97 2 door Nore Ei E GUB dB A 45 29 26 45 29 26 Power Level dB 60 60 Outdoor Noise dB A 50 50 H L Power Level dB 65 65 Capacity kW 0 60 4 20 8 30 0 60 4 20 8 40 Running Current A Ec 4 0 E 3 8 Input Power Ww 140 855 3 08k 140 855 3 16k COP W W 4 91 4 91 Pdsign kW 6 10 4 20 6 10 Erp Tbivalent C 2 10 17 _ p SCOP W W E 5 70 5 10 4 00 cold Annual Consumption kWh 1499 1153 3203 Class A A A Power Factor 97 97
33. connection cable Replace the drain hose Bend the embedded piping Use a spring bender or equivalent to bend the piping so that the piping is not v crushed Pull the connection cable into Indoor Unit The inside and outside connection cable can be connected without A removing the front grille Cut and flare the embedded piping When determining the dimensions of the piping slide the unit all the way to the left on the installation plate ET Install the Indoor Unit Refer to the section Cutting and flaring the piping Connect the piping Please refer to Connecting the piping column in outdoor unit section Below steps are done after connecting the outdoor piping and gas leakage Insulate and finish the piping confirmation Please refer to Insulation of piping connection column as mentioned indoor outdoor unit installation Secure the Indoor Unit 26 Right Rear piping Tape it with piping in a position as mentioned in Fig below Cover for Piping the left 1 piping Cover for the en bottom piping hose Cover for the right piping Cover for the bottom piping How to keep the cover In case of the cover is cut keep the cover at the rear of chassis as shown in the illustration for future reinstallation Left right and 2 bottom covers for
34. indicator No 2 CN FM white Fan motor No CN TH1 yellow Indoor heat exchanger temperature sensor 4 CN STM1 green Vertical louver motor lower No 6 CN STM2 white Vertical louver motor upper 7 CN STMS3 blue Horizontal louver motor right No CN STM4 blue Human sensor drive motor 9 CN STM5 black Ventilation Exhaust switching motor No CN STM6 gray Front panel motor No 1 CN STM red Horizontal louver motor left No CN SWSEN white Control board emergency operation button front panel switch No 14 CN NANO white Highvoltage power supply No Note on disassembly There is no need to disconnect the connector marked with to remove the control board box However when removing the control board the connector marked with 2 should be disconnected Tab terminals CN TAB1 white Power supply No CN TAB2 white Power supply No 0 EK n Tm THE ME H Fer 99 8 Remove the earth wire screw 1 piece and disconnect the indoor outdoor connection wires as well as the connector for the white wire connected to the terminal block Then remove the control board box Note on assembly About lead wire arrangement during assembly e The lead wire of the indoor motor should be hung on the hook on the
35. lt Right Left 920 lt gt 1280 1340 when the setting is changed from Hi to Long on the remote control T speed When the area control Auto is in operation 920 gt 1260 Powerful 980 gt 1100 Airflow ong 1000 1140 stable ong er man 4000 ee unstable Right Left 1000 1120 When the area control 2 is in operation X1 980 lt 1100 Hot Dry max 820 Individual ventilation Fan speed Manual NANOE Fan speed Auto 500 Odor Cut Shift Only for the COOL and COOL range Below Lo No shifting Below Me and fan speed auto 20 Me and above 90 Lock detection When the rotation speed of 2550rpm and above or below 50rpm is detected for 10 consecutive seconds during the feedback control H19 is indicated the TIMER indicator flashes if normal rotation speed is not detected even after the retry is performed 7 times Refer to the attached list of Indoor Unit Fan Operation Status for the operations of the indoor unit fan while the thermostat is OFF 37 1 When the area control is in operation the minimum rotation speed is limited as outlined below depending on the human position area Same as the fan speed in the powerful mode When the airflow is stable the minimum rotation speed is limited to COOL amp COOL DRY as in the table below HEAT Same as the fan speed in the powerful mode In the range where the airflow is stable and
36. motor cover then hung on the hook on the ventilation fan and then brought to the left Connect the connector to the control board e The lead wire from down side should be positioned along the ventilation fan then hung on the hook on the ventilation fan and then brought to the left Connect the connector to the control board Hook on the motor cover m 16 1 5 Removing the Control Board 1 2 3 4 5 Perform 16 1 1 Removing the Front Panel Perform 16 1 3 Removing the Front Grille Right and Front Grille Left Note on disassembly When removing only the control board remove the front grille right only Perform 16 1 4 Removing the Control Board Box Disconnect the connectors for the black and red wires connected to the terminal block Connector Remove the screw 1 piece which fixes the control board 100 6 Disengage the tabs 5 locations which fix the control board and then remove the control board 16 1 6 Removing the Control Board Emergency Operation Switch and Buzzer 1 Perform 16 1 1 Removing the Front Panel 2 Perform 16 1 3 Removing the Front Grille Right and Front Grille Left Note on disassembly When removing only the control board emergency operation switch and buzzer remove the front grille right only 3 Remove the electrical component cover front on the right side of the control board box There are two tabs on top and one tab at the bottom
37. 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 connection 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 po
38. 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 8 10 C or 16 30 C Outdoor Air Temperature Shifting Sleep Temperature Shifting Powerful Mode Shifting Room Temperature Correction Shifting eod Deice Stand by Shifting Auto Operation Mode Shifting Setting Temperature Limit Checking Min 8 C 16 C Max 33 C Internal Setting Temperature 12 1 2 Cooling Operation 12 1 2 1 Thermostat Control e Compressor is OFF when Intake Air Temperature Internal Setting Temperature lt 1 5 C continue for 3 minutes e Compressor is ON after w
39. plant which for gas apd e To carry out the secure with vinyl tape could be affected by hot air discharged VP vint tape Famen M ak siis i SI and pour water into e Keep the spaces indicated by arrows from wall CAttaching the remote control holder to the wall nn ceiling fence or other obstacles Remote control holder fixing screws 6 Do not place any obstacles which may cause Remote short circuit of the discharged air control a 5 e f piping length is over the piping length for dn additional gas additional refrigerant should be hi added as shown in the table e x T 4 Addi 5 It is advisable to l Connection cable Horse Piping size stg Max Min Max Piping avoid more than 2 A M Piping Piping Length blockage directions odel Power Length Eleva Lenath Lenath Refri f r ada For better ventilation 400 Additional drain h Gas Liquid m tion m 279 79 gerant 07 225 amp mutiple oudoor enke q m m gas m installation please g m f VE9 oP So gt 1 0HP 9 52 6 35 This illustration is for LEa 3 mm imm 5 12 3 18 20 10 ee ate M 1 5HP 3 8 1 47 face a different way Example For VE9 If the unit is installed at 12 m distance the quantity of additional refrigerant should be 40 g 12 10 mx 20 g m 40 g 24 11 2 Indo
40. prevention control and timer preliminary operation this control is not applicable o Control content Depends on compressor conditions 1 Compressor OFF Compressor ON The indoor unit fan stops temporarily and then starts to blow at minimum airflow for 40 seconds 2 Compressor ON Compressor OFF The indoor unit fan stops for 90 seconds and then blows at minimum airflow for 20 seconds 13 3 Protection Control for Heating Operation 13 3 1 Intake Air Temperature Control Compressor will operate at limited freq if indoor intake air temperature is 30 C or above 13 3 2 Outdoor Air Temperature Control e The Max current value is regulated when the outdoor air temperature rise above 16 C in order to avoid compressor overloading Current Regulated 16 C 12 C Free Within Max Limit Outdoor air temperature 13 3 3 Overload Protection Control e The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below e fthe heat exchanger temperature exceeds 60 C compressor will stop 60 C Frequency Reduce 55 C Frequency Limited 51 C 48 C 46 C Indoor Heat Exchanger Temp 56 13 3 4 Low Temperature Compressor Oil Return Control n heating operation if the outdoor temperature falls below 10 C when compressor starts the compressor frequency will be regulated up to 600 seconds 13 3 5 Cold Draught Prevention Control e When indoor pipe tem
41. the resistance value of the sensor No abnormality is observed Replace the indoor unit control board X For some models the sensor is not connected by a connector but it is directly soldered to the board In this case replace the control board 69 15 4 3 15 4 4 15 4 5 15 4 6 15 4 7 H15 Compressor Temperature Sensor Error H23 Indoor Unit Heat Exchanger Temperature Sensor Error H27 Outdoor Unit Temperature Sensor H28 Outdoor Unit Heat Exchanger Temperature Sensor 1 Error H29 Outdoor Unit Heat Exchanger Temperature Sensor 2 Error 70 15 4 8 53 Heat Storage Tank Temperature Sensor Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Disconnection Imperfect r connection of the connector Check for bad connection of the sensor connector Fix the problem No abnormality is observed Check for the characteristics of the sensor An abnormality is observed X Refer to the characteristic table for electronic circuit diagram Replace the sensor Remove the connector and check the resistance value of the sensor No abnormality is observed Replace the control board X Forthe heat exchanger temperature sensor of some models the sensor is not connected by a connector but it is directly soldered to the board In this case replace the control board 71 15 4 9 H16 Outdoor Unit CT Disconnection Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken
42. use a lubricant such as refrigerating oil This may cause damage and water leakage Pipe fixing P ics 7 In case of left rear left or f i Insert a drain cap into the lar any note Connection cable unit using a hexagonal 4 mm wrench Cut off the excess hose clamp Otherwise it may cause abnormal noise or water leakage How to pull the piping and drain hose out in case of the embedded piping PVC tube for drain hose Cable Apply putty or caulking material to seal Pipin the wall opening ping e wo ANO wen Connection cable Drain hose from main unit Indoor unit PVC tube VP 65 for piping and connection cable PVC tube for drain hose VP 30 PVC tube for drain hose VP 20 More than 700 mm 27 11 2 4 Connect the Cable to the Indoor Unit 1 The inside and outside connection cable can be connected without removing the front grille 2 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1 5 flexible cord type designation 245 IEC 57 or heavier cord 3 Bind all the indoor and outdoor connection cable with tape and route the connection cable via the escapement 4 Remove the tapes and connect the connection cable between indoor unit and outdoor unit according to the diagram below Earth wire longer than others AC wires for safety reason Indoor amp outdoor connection cable Terminals on the
43. xx Outdoor Operation Range Maximum 24 18 Heating Minimum 20 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C 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 Heating low temperature capacity Input Power and COP measured at 230 V indoor temperature of 20 C outdoor 2 1 C Heating extreme low temperature capacity Input Power and COP measured at 230 V indoor temperature of 20 C outdoor 7 8 C Specifications are subjected to change without prior notice for further improvement o 10 3 Features e Inverter Technology o Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control e Environment Protection o Non ozone depletion substances refrigerant R410A e Long Installation Piping o Long piping up to 15 meters during single split connection only e Easy to use remote control e Quality Improvement o Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle Inner protector to protect compressor Noise prevention during soft dry operation Operation Improv
44. 0 0 60 2 50 3 00 Running Current A 2 3 m 2 2 Input Power Ww 140 485 790 140 485 790 Annual Consumption kWh 243 T 243 EER W W 5 15 he 5 15 Pdsign kW E 2 50 2 SEER W W 8 60 8 kWh x 102 Class At ri Power Factor 96 94 94 vx indoor Note DF LT dB A 44 126 1 23 44 126 1 23 Power Level dB 59 59 Outdoor Noise dB A 491 491 H L Power Level dB 641 641 Capacity kW 0 60 3 20 7 60 0 60 3 20 7 70 Running Current A 2 8 2 7 Input Power Ww 140 585 2 65k 140 585 2 72k COP W W 5 47 5 47 Pdsign kW 5 60 3 20 4 70 Erp Tbivalent C 2 10 19 W W 6 00 5 40 4 10 cold Annual Consumption kWh 1307 830 2408 Class A A A Power Factor 94 94 en indoor Neis dB A 44 27 24 44 27 24 Power Level dB 59 59 Outdoor Noise dB A 49 49 H L Power Level dB 64 64 Extr Low Temp Capacity kW Power W 5 00 2 37k 2 11 Max Current A Max Input Power W 14 0 3 22k Starting Current A 2 8 2 7 Type Hermetic Motor Rotary Compressor Motor Type Brushless 6 poles Output Power 900
45. 1 080 1 070 1 060 o 3 1 050 9 1 040 a t 1 030 a 2 1 020 1 010 Gas Side 3 4 5 6 7 8 9 10 11 12 13 14 15 4 000 3 950 3 900 5 3 850 amp 3 800 3 750 3 700 Piping Length m 130 Heating Characteristic Condition Room temperature 20 C DBT Piping length 5m Fh 49Hz Gas Side 45 000 35 000 25 000 15 000 5 000 5 000 15 000 25 000 Outlet Air C 220 18 16 14 12 10 26 6 4 2 0 2 4 6 8 10 Outdoor Temperature C Capacity kW 20 18 gt 18 14 12 10 0 2 0 2 4 6 8 10 Outdoor Temperature C a 5 9 9 a en a 2 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 Outdoor Temperature C lt ue o 5 20 18 16 14 12 10 8 6 4 2 0 2 4 6 8 10 Outdoor Temperature C 131 Piping Length Characteristic Heating Condition Room temperature 20 C DBT Outdoor temperature 7 0 C DBT 6 0 C WBT Fh 49Hz Outlet Air C 4 200 4 180 4 160 4 140 gt 4 120 4 100 4 080 4 060 4 040 4 020 kW Capacit 2 320 2 300 2 280 2 260 Gas Side Piping Pressure MPa 2 240 8 9 10 Piping Length m Piping Length m 9 TR Length d 8 9 10 Piping Length m 132 11 17 2 Sensible Capacity Chart e CS VEINKE CU VE9NKE 230V Outdoor Temp
46. 1 CWB32C3187 19 TUBE ASS Y 4 WAYS VALVE 1 CWT028012 20 3 5 VALVE 1 011654 21 HOLDER COUPLING 1 CWH351180 22 2 WAYS VALVE 1 021540 lt 23 TUBE ASS Y 2 WAYS VALVE 1 CWT028014 24 MANIFOLD TUBE 1 CWTO071013 25 TUBE ASS Y STRAINER 1 CWT028162 26 TUBE ASS Y EXPANSION VALVE 1 CWT027235 27 TUBE ASS Y STRAINER 1 CWT027224 28 TUBE ASS Y 2 WAYS VALVE 1 CWT028175 29 MANIFOLD TUBE 1 CWTO071014 30 SOUND PROOF BOARD 1 CWH15C1066 31 1 G0C392J00011 32 SOUND PROOF MATERIAL 1 CWG302688 33 PARTICULAR PLATE A SSY 1 CWD90K1059 lt 34 CONTROL BOARD COVER 1 CWH131550 35 TERMINAL BOARD ASS Y 1 CWA28K1121 36 SENSOR COMPLETE 1 CWA50C2765 37 HOLDER SENSOR 1 CWH321091 A 38 ELECTRONIC CONTROL MAIN 1 CWA73C6695R CWAT73C6696R A 39 V COIL 4 WAYS VALVE 1 CWA43C2400 40 SCREW 1 CWH551298 A 41 V COIL EXPANTION VALVE 1 CWA43C2413 A 42 V COIL 2 WAYS VALVE 1 CWA43C2426 43 SCREW 1 CWH551068J A 44 V COIL 2 WAYS VALVE 1 CWA43C2471 45 SCREW 1 CWH551068J 46 HOLDER SENSOR 1 CWH321048 47 SENSOR COMPLETE 1 CWA50C2746 48 HOLDER SENSOR 1 CWH321048 49 CABINET SIDE PLATE 1 CWE04C1401 50 CABINET SIDE PLATE 1 CWE041673 51 SOUND PROOF MATERIAL 1 CWG302588 52 CABINET FRONT PLATE 1 CWE06C1436 53 CABINET TOP PLATE 1 CWE031130 54 WIRE NET RESIN 1 CWD041143 55 UNION NUT 1 4 1 CWT251048 139
47. 35 300 3 4 5 6 7 8 9 10 11 12 13 14 15 3 4 5 6 7 8 9 10 11 12 13 14 15 2 720 2 710 2 2 700 2 690 j v 8 2 680 ij 2670 id ES em d B gt 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m 128 17 1 2 CS VE12NKE CU VE12NKE Cooling Characteristic Condition Room temperature 27 C DBT 19 C WBT Piping length 5m Fc 48Hz 13 200 13 000 O 12 800 12 600 12 400 5 12 200 12 000 11 800 oth 65 275595 1315507 19 21 23 25 27 29 31 3335 37 30 41 43 Outdoor Temperature C 4 200 4 000 3 800 2 3 600 8 amp 3 400 o 3 200 3 000 Det B a AS 18 17 1921 23 25 2728 31 33 35 37 3898 44 43 Outdoor Temperature C Gas Side Piping Pressure MPa b 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Outdoor Temperature C 230 5 000 D Ra ER 4 000 RES E 8 FR is P s E 3 000 H E 2 500 2 000 2 Yb 13 185 12 19 21 229 25 27 29 21 33 30 39 41 43 Outdoor Temperature C 129 Piping Length Characteristic Cooling Condition Room temperature 27 C DBT 19 C WBT Outdoor temperature 35 C DBT Fc 48Hz 13 000 12 900 12 800 12 700 12 600 12 500 12 400 Outlet Air C 3 4 5 6 8 9 10 11 12 13 14 15 3 600 3 550 3 500 2 3450 3 400 8 3 350 3 300 3 250 3 200
48. 36 REHEAT COOL COOL DRY DRY HEAT Field 1 z Field 2 840 670 680 940 Field 3 800 630 640 920 Field 4 25 z Field 5 2 During the ceiling airflow a correction is performed for the minimum rotation speed as follows In COOL or COOL DRY mode In REHEAT DRY mode 100 100 8 When making the air blow towards human body object a correction is performed for the minimum rotation speed as follows In COOL or COOL DRY mode In REHEAT DRY mode 60 60 When making the air blow to avoid human body object a correction is performed for the minimum rotation speed as follows In COOL or COOL DRY mode In REHEAT DRY mode In HEAT mode 0 0 40 12 2 2 CS VE12NKE Indicates the changeable range using the remote control Stop SSLo SLo Quiet Lo Lo Lo Me Me Hi SHi Fan speed Manual o 480 640 650 650 730 870 1010 1 Outside temperature is below 35 C or Neuro is Outside temperature is 35 C or higher Normal with programmed air O stable and Neuro is unstable MIN 640 50 910 50rpm 970 50rpm 2 Powerful 1240 SHI 1190 when the setting is changed from Hi to
49. 5 CONTROL PANEL 1 CWE312919 46 HI VOLT PW SUPPLY 600V MORE 1 NOGE1F000002 47 CONTROL BOARD COVER 1 CWH13C1245 48 FUSE 250V 2 5A 1 K5D252YYA053 49 VARISTOR 1 511 50 ELECTRONIC CONTROL AUTO 1 CWA746050 51 CONTROL BOARD 1 CWH121025 52 CONTROL BOARD COVER 1 CWH131552 53 TERMINAL BOARD 1 CWA28C2570 54 HOLDER P S 1 CWH311083 55 POWER SUPPLY CORD 1 CWA20C3084 136 SAFETY REF NO PART NAME amp DESCRIPTION QTY CS VEINKE CS VE12NKE REMARK 56 HOLDER P S CORD 1 CWH311001 ge 57 PARTICULAR PIECE 1 CWD933197 4 58 CONTROL BOARD COVER 1 CWH131370 pn A 59 ELECTRONINC CONTROL MAIN 1 CWA73C6759 CWA73C6760 60 FRONT GRILLE FRAME 1 CWE121212 61 FRONT GRILLE FRAME 1 CWE121213 PES 62 GRILLE DOOR 1 CWE14C1100 pen 63 INTAKE GRILLE 1 CWE22C1788 64 GEAR 1 CWH681032 e 65 DRAIN HOSE 1 CWH851142 x 66 INST EN FR ES DE IT NL 1 CWF568728 e 67 OPE INST BG SE DK FI NO HR 1 CWF568770 68 INST RU UA KZ 1 CWF568771 4 69 INST NO SE FI DK 1 CWF60C1732 e 70 INSTAL INST EN ES IT NL 1 CWF60C1733 PE 71 INSTAL INST BG FR DE HR 1 CWF60C1734 72 INSTAL INST RU UA KZ 1 CWF60C1735 m 73 CONTROL 1 CWA75C4116 74 INSTALLING HOLDER 1 CWH361115 75 SCREWS FOR INSTALLATION 1 CWH82C1461 pan 76 PACKAGING C C BOARD 1
50. 8 8 Loosen the fixing screw 1 screw which fixes the cross flow fan to the indoor motor 10 Remove the screws 3 pieces of the indoor motor cover and pull out the indoor motor together with the cover to the right side to remove it 109 16 2 Points of Disassembly Outdoor Unit The electrical components of the outdoor unit are under high voltage AN WARNING by the operation of the booster capacitor Fully discharge the capacitor before commencing a repair work Failure to observe this CAUTION HIGH VOLTAGE Warning could result in electric shock 16 2 1 Removing the Outer Top Panel and Outer Front Panel 1 Remove the screws of the outer top panel o Remove 2 screws on the right 2 screws on the left and 1 screw on the front side all from the front view Then remove the outer top panel Screws 2 pieces on Outer top panel the left we RT 11 i 6 SSS Screws 1 PARUM SS 2 pieces on 2 the right side the front side REE ty fi 2 Remove the screws of the outer front panel o Remove 2 screws on top 3 screws at the bottom and 1 screw on the right side all from the front view Screws 2 pieces on top Screw 1 piece on the right side Screws 3 pieces at the bottom 110 3 the tabs on the outer front panel 3 locations on the left side and 1 location on the right side Remove the outer
51. Airflow Direction Louver Upper and Lower Louvers Remove the horizontal louver right drive motor o Remove the drive motor fixing screws 2 pieces on the right side of the blowout grille and then remove the horizontal louver right drive motor Horizontal louver right drive motor 107 9 Remove the horizontal louver left drive motor o Remove the drive motor fixing screw 1 piece on the right side of the blowout grille Push the drive motor fixing tab 1 location towards the direction indicated by the arrow to disengage it Fixing tab Fixing screw Horizontal louver left drive motor 10 Release the lever from the horizontal louver and remove the drive motor A lever is connected to the horizontal louver drive motor both right and left o the stopper of the lever and pull the horizontal louver connecting lever towards you to release the lever from the horizontal louver Horizontal louver connecting lever 16 1 13 Removing the Indoor Motor and Cross Flow Fan 1 Perform 16 1 1 Removing the Front Panel Perform 16 1 2 Removing the Air Filters Perform 16 1 3 Removing the Front Grille Right and Front Grille Left Perform 16 1 4 Removing the Control Board Box Perform 16 1 8 Removing the Air Filter Frame Auto Cleaner Perform 16 1 11 Removing the Blowout Grille Remove the screws 2 pieces on the left side of the heat exchanger NOOB WD 10
52. CN STM6 CN CNT CN DISP CN STM1 CN STM3 CN TH2 CN TH1 CN NMODE CN STM4 CN NANO 21 10 1 2 Printed Circuit Board CN i B gt TT 02845 8 22 So 34 rp 2 2 FE FRESE 2 2 10200 Oreo 2304 4203 122 1331 i CN MTR2 we z 1 ee 4 E 44 CN TANK 2 4210 hd x 184 16 mls 237 DIP SEE O 0102 1 mi WO 2232 s oun i i the 5 a tered 3291 i 5 1254 1286 ij amp s ol E y 25 J180 mm zi 5 5 5 2 gt C105 LES L i 2179 5 3 4177 mm Dem RULES 5 5 165 mmms M 3203 UT i TT 4337 2257235 si z 2162 3 231 z 9 Wiss A 443 2 3 2 e 2320 S 115 2 4 5 2252 0 9394 a roi N mn e EN e Semmes 43 ctm S 2285 4318 ww J205 TV1 1 2219 430 23 10 2 Outdoor Unit it Board ircul Main Printed C 10 2 1 FUSES EEE 0810 2524 J1 white Q RaT FUSES 15 250v Vout GND Vee FUSE2 T 3 15A L250v green c101 amp 0 o K FUSEI ZNRI IS 304 250v 11 Installation Instruction 11 1 Select the Best Location
53. CWG572706 77 SHOCK ABSORBER 1 CWG713379 78 ABSORBER 1 CWG70C2171 79 ABSORBER 1 CWG70C2172 Ex 80 PACKAGING C C BOARD 1 CWG572654 e 81 PACKAGING C C CASE 1 CWG568488 82 MODEL LABEL 2 CWF858656 CWF858614 Note e All parts are supplied from ACBU Japan Vendor Code 00025800 O marked parts are recommended to be kept in stock 137 18 2 Outdoor Unit ORNE head The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts Note 138 SAFETY REF NO DESCRIPTION amp NAME QTY CU VE9NKE CU VE12NKE REMARK 1 CHASSIS 1 CWD50K2229 2 HEATER 1 CWA341072 3 ANTI VIBRATION BUSHING 3 CWH50077 4 COMPRESSOR 1 CWB092610 lt 5 MULTIBENT TUBE 1 CWT338949 6 PARTICULAR PIECE 1 CWD933310 7 SENSOR COMPLETE 1 CWA50C2676 8 TERMINAL COVER 1 CWH171053 9 NUT TERMINAL COVER 1 CWH7080300J 10 1 CWH90C0037X 11 SENSOR COMPLETE 1 CWAS0C2742XE 12 NUT 2 CWH56000J 13 1 CWD541140 14 MOTOR SMALL DC 1 ARS8406AC 15 SCREW 4 CWH55252J 16 PROPELLER ASSY 1 CWHO3K1067 17 NUT 1 CWH56053J 18
54. Disconnect the connector of the indoor outdoor connection wires red white and black and remove the fixing screw of the earth wire green 7 Remove the screw 1 piece which fixes the power supply box to the outer side panel right Earth wire Connector of the indoor outdoor connection wires Fixing screw 8 Pull the outer side panel right towards you while pulling up the fixing tab 1 location of the powersupply box to disengage the tab Fixing tab Pull towards you 9 Lift up the power supply box to remove it 16 2 4 Removing the Control Board 1 Perform 16 2 1 Removing the Outer Top Panel and Outer Front Panel 2 Perform 16 2 2 Removing the Electrical Component Covers 2 amp 3 way valve Cover and Terminal Plate Cover 3 Perform 16 2 3 Removing the Power Supply 4 BDisengage the tabs 6 locations and remove the metal cover Notes on disassembly During the replacement of outdoor control board the control board and plastic power supply box are separated by removing the screws 2 pieces on the soldered surface These two parts can be replaced as an integrated piece by applying silicon to them 113 16 2 5 Removing the Propeller Fan and Outdoor Motor 1 Perform 16 2 1 Removing the Outer Top Panel and Outer Front Panel 2 Disengage 4 tabs of the electrical component cover the top cover of the control board 2 locations each on the right and left sides Rem
55. Disconnect the connectors and terminals Bl Wiring from down side o Lead wires of the compressor red blue and yellow Disconnect the intermediate connector white of the compressor lead wires o white Electromagnetic coil 4 way valve Wire color Yellow o 2 of the reactor connecting terminal Wire color Gray and white white Compressor temperature sensor CN TH2 red Outdoor heat storage tank temperature sensor Bl wiring from left side o CN MTR1 white Outdoor motor o CN MTR2 white Outdoor motor Notes on assembly When performing the wiring for the outdoor motor during replacement of the control board close the top cover of the control board before connecting the connectors of CN MTR1 amp 2 for wiring If the wiring is performed without closing the top cover of the control board the wire may get pinched while closing the cover Bl wiring from right side o CN STM white Electromagnetic coil expansion valve o CN TH1 white Outside air temperature and pipe temperature sensor o Lead wire of the electromagnetic coil 2 way valve V1 Intermediate connector for the defrosting 2 way valve coil yellow o Lead wire of the electromagnetic coil 2 way valve V2 Intermediate connector for the heat storage tank 2 way valve coil blue o CN TH3 blue Outdoor heat exchanger temperature sensor 2 112 6
56. INYSHL YOSNAS di31 uly YOOGLNO AATVA aNvdx3 1109 OILIN YW 0Y419373 4OLSINYSHL YOSNAS dW3l YOSS3YdNOD HOOALNO N NOLLVOINNWWo9 YALI Le vival ov N39 NS9 N3 mel Eene LINN NOOQNI OL AOSZ1 WS EL 23504 1l GATYA SAVM 1102 2LL3N9VA O19313 YOLSIWYSHL HOSN3S dINAL TYNIWYSL NO Q31VOIONI BANIVLNO9 15 LYH SI X31371 OZZISHHINIHYd SHL N TWNIWHSL HOSSIHIWOI E 4OLSINUSHD ZHOSN3S OVL diN3L ma Gan YOLOWSY O civ HOSSIUJNOI a lt 1 ac Z Q O A0SZ Woz v3snd LINDUID 244 052 VGL 93503 nouo NOLLV9IJILO3N es C416 NONE in R404 C414 KB 65 50V NONE R403 5V ZIAL 1 1 mas mia LHM 13 ma ge YOLOSNNOD E uo193NNO9 9 3 E E ZA 3NYA SAM CZ 1102 9IL3NOVW OH10313 H31V3H LA 3NTVA SAVM 2 1102 9IL3NSVW O312313 C420 NONE E 0521 VEL EL 3snd 6191 0 01u LHM LYLW NO CN MTR2 WHT YOLOWNYS 20 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board mmm FUSEHOLDER2 SE1 T2 L250V o CN STM7 GRAYJZE RED FF N SWSEN CN SWSEN uaP 1 CN STM6 en S p CN NMODE
57. Order No RAC1207001CE Service Manual Air Conditioner Indoor Unit Outdoor Unit CS VE9NKE CU VE9NKE CS VE12NKE CU VE12NKE C WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the products dealt with in this service information by anyone else could result in serious injury or death A PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit TABLE OF CONTENTS PAGE PAGE 1 Safety 3 8 2 Outdoor orden 18 2 Specification eee 5 9 Electronic Circuit Diagram 19 3 Features aui e toic 11 9 1 Indoor Unib ee 19 4 Location of Controls and Components 12 9 2 Outdoor Unit cece e ee 20 TEN RUD DR neen eam 12 10 Printed Circuit Board si sda el 4 2 Outdoor Unite secon eth abet 12 10 1 Indoor 00 21 4 3 Remote
58. ROWN W WHT WHITE R RED RED G GRN GREEN GR GRY GRAY 7 Z e AIH NI M LdSIO NO 91 ei Im 450 9 owt No im g 9 EN u ENLS N9 WISNO iWISNO ZHI NO IHENO ar RID NL ZNISN WL RECTIFYING CIRCUIT MAIN T PIPE TEMP SENSOR HIGH VOLTAGE CONTROL BOARD COMMUNICATION G CIRCUIT TANVd INOJ HOSN3S 1437 LHOIY YOLOW NOLOW NMOO HOLON WOON HO 9 13317 1H9lM91J31 NMOG dN NMO dh AIR TEMP SENSOR U EVAPORATOR POWER SUPPLY TWNINYAL ONIGNNOYS S RES POWER SUPPLY NANOE ION GENERATOR 17 8 2 Outdoor Unit YOSSIYdWOO YOLSINYSHL LHOSNIS YOLSIWYAHL HOSN3S dWSL M3AOO VNIAH3LNO Q31VOION gag dWAL J439NVHOX3 YANIVLNOO 39 VHOIS LV3H SI X31137 GSZISAHLNAYVd JHL 1V3H YOOdLNO 1 1 HOSS3HdWOO YOLSINMSHL MoV MOSN3S dii3l HOLSIWH3H ZHOSN3S YOLSIWYSHL YOSSAYdWOD YOOdLNO di N31 YSONVHOXA HOSN3S dWSL JOOQ1nO x 14 HOOALNO SINN AATYA 1109 OLL3NOVW OM 12313 LHM LHL NO LHM aay XNVI NO ZHLNO HLNO A0SZ VOE A0Sc WSL 062 vaSnd 93503 99515 LINOUIO LINDUID LINDUIO 944 NOLLVOIHLLO3M NOILYOINNWWOD 32715 AO0SZ1 VL EL 3SION 23504 CN MTR2
59. RY manual Ceiling airflow Other than setting in initial airflow COOL mode Ceiling airflow No setting is available Louver direction can be set when the Auto Comfort is set At this time the angle is the same as the Cool Long mode if the mode 4 0kW and above When the furniture position has been set on the remote control the airflow direction is set upward according to the setting When the human detection sensor detects an obstacle automatically the airflow direction is set upward according to the detection set is other than the Drying stable Ceiling airflow HEAT mode Ceiling airflow 39 12 4 2 Horizontal Airflow e Automatic horizontal airflow direction can be set using remote control the vane swings left and right within the angles as stated below Left vane right vane 1 2 3 4 5 6 7 During Manual Setting 400 0004001 at airconditioning Area During Auto Setting Condition Middle Setting Right Setting Left Setting C Area 0 0 10 10 10 10 2 8kw 350 450 w Balance 5 5 5 5 4 0kw 39 Torta o 19 Human detection direction E lt is suitable in the Z Neuro AT 5 direction which detect 8 Unbalance 0 0 25 25 25 25 people in the following 2 5
60. S Y 1 CWHO2K1068 4 BEARING ASS Y 1 CWH64K1005 5 L SHAPED PLATE 1 CWD601212 6 L SHAPED PLATE 1 CWD601213 7 PARTICULAR PLATE 1 CWD911992B 8 1 CWB30C3987 9 UNION NUT 1 CWT251026 10 PARTICULAR PIECE 1 CWD933627 11 DISCHARGE GRILLE 1 CWE20C3311 12 GEARED STEPPING MOTORS 1 L6JAYYYHOOS30 13 VANE COMPLETE L 1 CWE24C1336 14 VANE COMPLETE R 1 CWE24C1423 15 FULCRUM 1 CWH621122 16 1 CWH811142 17 GEARED STEPPING MOTORS 1 L6JAYYYHOO31 18 LEVER ARM 1 CWH651067 19 ROD 1 CWH661019 20 1 CWH521096 21 1 CWH811143 22 GEARED STEPPING MOTORS 1 L6JAYYYH0034 23 LEVER ARM 1 CWH651068 24 VANE 1 CWE241362 25 1 CWH521121 26 SHAFT 1 CWMH630001 27 GENERATOR COMPLETE 1 CWH94C0049 28 WIRE NET RESIN 1 CWD041191 29 1 CWH68C1073 30 PARTICULAR PLATE 1 CWD91C0194 31 VANE COMPLETE 1 CWE24C1348 32 UNION NUT 1 CWT251027 33 SENSOR COMPLETE 1 CWA50C2645 34 HOLDER SENSOR 1 CWH32137 35 FRAME FOR FILTER 1 CWD01C1166 36 SENSOR COMPLETE 1 CWA50C2997 lt 37 AIR FILTER 2 001315 38 PARTICULAR PLATE 1 CWD912160 39 1 CWH68C1048 40 GEARED STEPPING MOTORS 1 L6JAYYYHOO17 lt 41 SENSOR CASE 1 CWE18C1066 A 42 ELECTRONIC CONTROL INDICATE 1 CWA74C1093 43 SENSOR CASE 1 CWE18C1070 44 ELECTRONIC CONTROL RECEIVE 1 CWA747172 4
61. WHT CAL na nid ma ma 599 HYOLIINNOI YOLOANNOD 93 Cuvog c 0 0908 AATYA LA SAVM 2 ZA 1 SAYM Z YOLOWNY4 1102 OILANOVW OYLOATS 1102 DILANOWN OUNLOSIS 1100 DILSNOVW ONLOS1S H3lV3H v LINN HOOQNI OL 18 9 Electronic Circuit Diagram 9 1 Indoor Unit POWER SUPPLY TO OUTDOOR UNIT COMMUNICA icum 2 131 1000p CONTROL BOARD MAIN CONTROL BOARD DISPLAY RTIN432C CNRCV CONTROL BOARD RECEIVER SENSOR FRONT PANEL T om CN RCV W REMOTE CONTROLLER COMPLETE R302 YELLOW TS 300 iew ROOM ARRANGEMENT SENSOR DRIVE MOTOR RT1P432C 50 C R303 5555 55 999599 LEFT 8 RIGHT MOTOR LEFT LED303 75k R310 B R311 75k JP303 680k 1 RI23 2 14 5 RTIP432C T POWERDEICE 50 14214 mI CN DISP1 W JP304 953k 1 R324 JP302 470k 1 R322 JP301 390k 1 R321 aw 39 Vv MV S NANOE G R313 75k le R35 1 4W SEN301 39 NJL7502L LEFT amp RIGHT MOTOR RIGHT 5v MOTOR UP REMARKS B BLU BLUE BL BLK BLACK BR BROWN WWHT WHITE R RED RED YIG YELLOW GREEN YNEL YELLOW G GRN GREEN GRIGRY GRAY UP amp DOWN MOTOR DOWN SV 5 15 2 19 9 2 Outdoor Unit YOLSIWYSHL LHOSN3S dW3L H39NVHOX3 1 YOOdLNO YOLS
62. aiting 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 e Compressor is OFF when Intake Air Temperature Internal Setting Temperature lt 2 5 C continue for 3 minutes e Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature gt Compressor OFF point 33 12 1 4 Heating Operation 12 1 4 1 Thermostat Control e Compressor is OFF when Intake Air Temperature Internal Setting Temperature gt 2 0 C continue for 3 minutes e Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature lt Compressor OFF point 12 1 5 Automatic Operation e This mode can be set using remote control and the operation is decided by remote control setting temperature remote control operation mode indoor intake air temperature and outdoor air temperature e During operation mode judgment indoor fan motor with speed of Lo and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature The operation mode is decided based on below chart Overview of Mode Determination i Heating Mode Soft Dry Mode C Cooling Mode Intake air 36 C Intake air Temperature setting on temperature the remote control TH 0 C TL Heating 13 C TG 28 C Outdoor temperature TG 19 C 16 C 22 C
63. al louver STM Ceiling airflow Heating 5 Swing Stop position Horizontal louver STM Area OFF or Auto Demo is set Swing from the front side Reset Others Area control under Heating Range B Airflow stable Fan speed is set to Auto on the remote control OFF Fan motor Fan speed is set to Manual on the remote control Remote controller Stop position setting tap Hamman activity sensor Area ON Repeat the scan detection and fixed detection Standby position y Area OFF Standby position Default position Default position Sunlight sensor LED brightness changes Bright Dim when ECONAVI is ON Confirmed time is for Demo only NANOE output OFF 12 12 2 2 Infrared Sensor Abnormality e Abnormality detection Connector disconnection Wire cut abnormality Sensor judge Hi level continuously for 25 seconds Circuit abnormality o 65 seconds after power ON if infrared sensor judge Lo level continuously for 25 seconds e Error Code judgment When abnormality happened internal counter increase by 1 time Infrared sensor power OFF retry after 5 seconds When the infrared sensor maintains normal condition for 120 seconds the counter reset or AC reset When abnormality counter reached 4 times H59 occurred No TIMER indicator blinking e When error code happened the unit is able to operate without ECONAVI AUTO COMFORT 12 12 2 3 Infrared Sensor Check Mode 1 Conditions to start the mode The infrared sensor check mode starts when all of t
64. ation the electrical outlet and circuit breaker is stopped It is normal if voltage drop during operation is 10V or below Normal Higher than the normal value Check the gas pressure during the rated operation ai Normal Lower than the normal value There is no gas leak Replace the capillary tube or expansion Check for presence of gas leak valve There is a gas leak Replace the part from which gas is leaking Perform operation while the lead wires red blue amp yellow F99 occurred connected to the compressor are removed and then check the error code Replace the outdoor unit control board X If the error is not solved by replacement of the control board it is a compressor failure An error other than F99 occurred Replace the compressor 95 16 Disassembly and Assembly Instructions 16 1 Points of Disassembly Indoor Unit Be sure to disconnect the power plug from the outlet before disassembly or repair of the unit Failure to observe this warning could result in electric shock Be very careful not to touch the live parts when performing a repair work which requires power supply or Disconnect the power plug inspecting the circuit Also be very careful of the fan as it can start rotating anytime N WARNING Read this manual carefully when replacing the air filter frame auto cleaner block or other parts 16 1 1 Removing the Front Panel 1 Push the panel up with both ha
65. attached to the compressor Note on disassembly Use a box wrench to remove the nut located on the right side from the front view Acoustic insulation material Velcro with a box wrench 8 Remove the welded parts 4 locations o Remove 1 heat storage tank inlet 2 heat storage tank outlet 3 suction part and 4 discharge part 118 9 Remove the compressor and heat storage tank o Cut the bands 2 locations which fix the compressor to the heat storage tank Band Remove the clamp and separate the compressor and heat storage tank Note on disassembly Remove the heat storage tank sensor when replacing the heat storage tank Heat storage tank sensor 16 2 8 Heat Charger Replacement Procedure 16 2 8 1 Preparation 1 Power off the unit remove plug and or 2 Collect all refrigerant into the cylinder by reclaiming machine 3 As brazing work is involved make sure the workshop and surrounding area is sufficient and safe 16 2 8 2 Process 1 Dismantling of the Parts 1 Remove control board cover top plate and front panel pull out connecting wire then remove side panel right 2 Disconnect all connectors connected to control board 3 Remove solenoid coils of 2 way 4 way and expansion valves 4 Disconnect of compressor connector and remove control board compressor connector Heat charger Part description is heat charge 119 5 Cut off the band small for ho
66. board Replace the indoor unit fan motor The above voltage is not present Replace the indoor unit control board 73 15 4 11 H33 Connection Error of the Models with Different Voltage Power Supply Troubleshooting Diagnosis Procedures and Cause Measures to be Taken An abnormality is observed Fix the problem Replace the control boards of indoor and outdoor unit Are the indoor and outdoor units connected following the correct voltage specifications No abnormality is observed 74 15 4 12 H38 Brand not Corresponding Troubleshooting Diagnosis Procedures and Cause Measures to be Taken An abnormality is observed Are the correct models of indoor and outdoor units connected Fix the problem No abnormality is observed z Replace the control boards of indoor and outdoor unit 75 15 4 43 H50 Ventilation Fan Motor Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Disconnection Imperfect x c nnection of the connector Check for bad connection of the connector of the ventilation fan motor 2011101 o connecio Fix the problem No abnormality is observed An abnormality is observed Improve the arrangement of the Is the ventilation hose bent or is it clogged with dust Ventilation hose or remove dust No abnormality is observed Is DC14V present between 1 2 of the ventilation fan motor AN AK Replace the indoor unit cont
67. board Outdoor unit fan motor Bad connection detached connector H98 Indoor unit overpressure protection When the temperature of the indoor unit heat exchanger temperature sensor exceeds 60 C during the heating operation this diagnosis code is stored in the memory and the compressor stops operation It resumes operation after 180 seconds if the temperature is below 60 C No error code is displayed lt Points of diagnosis gt 1 Check of the indoor unit heat exchanger temperature sensor Check for change in characteristic and resistance value Symptom No hot start no thermo ON and repeating stop and start during the start of the operation 2 Additional check for short circuit of the indoor unit and clogging of air filter Dirt on air filter e Short circuit of indoor unit H99 Indoor unit heat When the temperature of the indoor unit heat exchanger temperature sensor is 0 C for 6 e Low refrigerant exchanger freezing consecutive minutes during the cooling or dry operation this diagnosis code is stored in level relatively protection the memory and the compressor stops It resumes operation after 180 seconds if the low temperature is 10 C and above No error code is displayed e Dirt on air filter lt Points of diagnosis gt e Short circuit of 1 The primary cause is cooling or dry operation at low outside temperature This is not indoor unit a failure H99 is also displayed if dry op
68. bove o Drillthe piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 2 2 To Drill a Hole in the Wall and Install a Sleeve of Piping Insert the piping sleeve to the hole Fix the bushing to the sleeve Cut the sleeve until it extrudes about 15 mm from the wall N CAUTION o When the wall is hollow please be sure to use the sleeve for tube assembly to prevent dangers caused by mice biting the connection cable Finish by sealing the sleeve with putty or caulking compound at the final stage Sleeve for tube assembly 970 mm through hole 25 Bushing for tube assembly Putty or caulking compound 11 2 3 Indoor Unit Installation Do not turn over the unit without it s shock absorber during pull out the piping It may cause intake grille damage TT nn Intake grille Use shock absorber 1 during pull out the piping to protect the intake grille from i damage p i Shock absorber 11 2 3 1 For the Right Rear Piping Pull out the Indoor piping Install the Indoor Unit y Secure the Indoor Unit v Insert the connection cable 11 2 3 2 For the Right and Right Bottom Piping 178 Pull out the Indoor piping Install the Indoor Unit Step 3 Eme Secure the Indoor Unit 11 2 3 3 For the Embedded Piping Insert the
69. code is displayed and the compressor stops Check for change in characteristic and resistance value 3 Interrupted heat radiation on the outdoor unit and the failure of outdoor unit fan The unit fan does not rotate due to open state The error is sometimes detected in case of overload In this case F97 remains in the memory F98 Total current If the total current exceeds the preset value this diagnosis code is stored in the memory e High refrigerant protection and the compressor stops It resumes operation after 180 seconds The error code is level displayed if this error is detected three times within 20 minutes Refer to Total Current e Interrupted heat Protection Control for the preset value radiation lt Points of diagnosis gt 1 AC voltage of the outdoor unit terminal board during operation The voltage should drop by less than 5 from the voltage at the STOP state The rated voltage is to be 110 even during the operation If the voltage drops by not less than 5 or in case of sudden change in voltage check for the length thinness of the indoor wiring and indoor outdoor connection wire 2 Check for the interrupted heat radiation on the outdoor unit during cooling operation The outdoor unit is usually not stopped and only subjected to the capacity restriction by way of current control No diagnosis code is displayed F99 DC peak operation When overcurrent overheat or drop in supply voltage is detected in the IPM with
70. code is displayed when the outdoor unit heat exchanger temperature sensor e Outdoor unit heat exchanger temperature sensor 1 error 1 is below 58 C or 107 C or higher for 5 consecutive seconds lt Points of diagnosis gt 1 This is an error code displayed when an improbable temperature is detected If the sensor is not open gt 500kQ or short circuited lt 0 5 poor contact of the connector has occurred exchanger temperature sensor 1 Bad connection detached connector 64 H29 Outdoor unit heat This error code is displayed when the detected temperature of the outdoor temperature Outdoor unit heat exchanger sensor 2 is below 58 C or 107 C or higher for 5 consecutive seconds exchanger temperature sensor 2 Points of diagnosis temperature error 1 This is an error code displayed when an improbable temperature is detected sensor 2 If the sensor is not open gt 500kQ or short circuited lt 0 5 poor contact of the Bad connection connector or a failure of control board has occurred detached connector H33 Connection error of This error code is displayed when the models of indoor and outdoor units are different or e Model difference the models with when 200V or 100V model is connected to 100V and 200V models respectively between indoor amp different voltage X This function does not apply to the case where the supply voltage of the indoor unit is
71. code will be displayed on the remote controller display for 4 seconds then it will return to the original display If no information can be received from indoor unit RETRY will be display for 4 seconds on the remote controller display 15 2 3 To Display Memorized Error Code Protective Operation Turn power on in standby condition Short the CHECK terminal the latest error code is displayed on the remote control display 15 2 4 Clear Memorized Error Code after Repair Protective Operation Turn power on in standby condition Press the Auto button for 5 seconds A beep receiving sound on the main unit to operate the unit at Forced Cooling Operation modes Short CHECK terminal to transmit signal to main unit A beep sound is heard from main unit and the data is cleared 15 2 5 Temporary Operation Depending on Breakdown Status Press the AUTO button A beep receiving sound on the main unit to operate the unit Remote control will become possible The unit can temporarily be used until repair ERROR 51 63 15 3 Self Diagnosis Functions and Points of Diagnosis List of Diagnosis Method Main Areas to be Code Name of Diagnosis Descriptions on Diagnosis Diagnosed Codes for the commencement of self diagnosis HOO No memory of error En u code H11 Indoor outdoor When the indoor outdoor communication failed for 15 seconds or more the power relay e Check of the model comm
72. ction of the connector of the outdoor unit reactor No abnormality is observed Is the reactor of the outdoor unit open circuited Reactor is not open circuit The coil is short circuited Is the expansion valve coil of the outdoor unit short circuited The coil is not short circuited Open circuited 68 Fix the problem Replace the indoor unit terminal Replace the indoor unit control board Replace the wire for connection Check the connected wire and if there is no problem replace the indoor unit control board Outdoor unit fan motor amp compressor work Fix the problem Replace the reactor Replace the outdoor unit control board and expansion valve coil at the same time Replace the outdoor unit control 15 4 2 H14 Indoor Unit Intake Air Temperature Sensor Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken NES 46 and above Check the ambient temperature of the indoor unit during operation Improve the ambient temperature Below 46 C Disconnection Imperfect Check for bad connection of the connector of the indoor unit intake air connection of the connector Fix th temperature sensor ix the problem No abnormality is observed An abnormality is Check for the characteristics of the sensor observed Replace the indoor unit intake air X Refer to the characteristic table for electronic circuit diagram temperature sensor Remove the connector and check
73. d if the cover is closed because of the reinforced safety structure of electric wiring 4 Remove the screws of the front grille right and left 2 screws each 5 Disengage the tab on the bottom part of the front grille right and left one tab each Slightly lift the bottom part and then raise the front grilles to remove them Front grille left Front grille right 97 16 1 4 Removing the Control Board Box 1 Perform 16 1 1 Removing the Front Panel 2 Perform 16 1 3 Removing the Front Grille Right and Front Grille Left X Note on disassembly When removing only the control board box remove the front grille right only 3 Remove the electrical component cover front on the right side of the control board box There are 2 tabs on top and 1 tab at the bottom Electrical component cover front 4 Remove the screw 1 piece at the bottom of the control board and then pull the power supply box towards you 5 Disengage the tabs 3 locations which fix the electrical component cover rear to the power supply box Then remove the electrical component cover rear on the right side of the power supply box Electrical component cover rear 98 Disconnect the connectors and terminals Connectors Q Q O O O O O O O CN TH2 green Indoor intake air temperature sensor No 1 CN DISP white Control board human sensor unit signal receptor and
74. d 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 S 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 A WARNING 1 Do not modify the machine part material during repairing service 2 If wiring unit is supplied as repairing part do not repair or connect the wire even only partial wire break Exchange the whole wiring unit 3 Do not wrench the fasten terminal Pull it out or insert it straightly 4 Engage authorized dealer or specialist for installation and servicing If installation or 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
75. diemen MIS IE control board No abnormality is observed Repair is completed 80 15 4 18 H96 2 and 3 Way Valve Opening Failure Check Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Closed Check if the 2 and 3 way valves are open Open the 2 and 3 way valves Open An abnormality Check for the characteristics of the indoor unit heat exchanger temperature sensor is observed Replace the indoor unit heat X Refer to the characteristic table for electronic circuit diagram exchanger temperature sensor Remove the connector and check the resistance value of the sensor X For some models the sensor is not connected by a connector but it is directly soldered to the board In this case replace the control board No abnormality is observed An abnormality Check for the characteristics of the indoor unit intake air temperature sensor is observed Replace the indoor unit intake air X Refer to the characteristic table for electronic circuit diagram temperature sensor Remove the connector and check the resistance value of the sensor No abnormality is observed No abnormality is observed Check the gas pressure during the rated cooling operation Replace the indoor unit control board An abnormality is observed Lower than the standard value There is no gas leak Replace the capillary tube or Check for presence of gas leak expansion valve There is a gas leak Replace the part f
76. displayed and will activate in sequence 12 7 4 ON Timer Control ON timer 1 and ON timer 2 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 e 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 e 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 20 min 30 15 10 min 30 min 25 _ 5 5 min 40 min Outdoor air Outdoor air 30 0 5 C 35 temperature C Cooling Soft Dry Heating temperature C 12 7 2 OFF Timer Control OFF timer 1 and OFF timer 2 can be set using remote control the unit with timer set will stop operate at set time 41 12 7 3 Sleep Timer Sleep operation is performed according to the delay OFF time 0 5 1 2 3 5 7 or 9 hr and provide comfortable environment by shifting set temperature Maximum 9hr Status 1 Status 2 Status 3 Status 4 Sleep timer All off setting Go to status 2 when Go to sttus 3 after Go to status 4 after 7hr preset temperature is A hour sleep timer has been reached or after 1hr set or Time B is
77. e comfort environment while maintain the energy saving level e Human activity judgment is as following Signal Detection Information Log Human Position Analysis Human Activity Level Judgment Determination of Presence or Absence Area of Living Classification Judgment Target Area amp Position Judgment 46 12 12 1 1 Signal Detection 2m 160 e Presumption flow of human position o Detection outline Human Sensor Motion Check Sensor move to left and right and detection area A B C ouput frequency is detected Determination of fixed detection area and its order Check Installation Position and Detection Area Human Sensor STM move Fixed detection is continued until it measures all the detection area Fixed Detection Process Detection Result 12 12 1 2 Information Log e The signal from Infrared sensor will be log to human activity database for further analysis 12 12 1 3 Human Position Analysis e According to Area of Living frequency of activity the system will analyze the human position away from the indoor unit 12 12 1 4 Human Activity Level Judgment e Human Activity Level is judged based on the frequency of pulses detected by the infrared sensor within a timeframe The activity level will be categorized into High Normal or Low level e When a pulse is detected within this timeframe the status of human presence is judge e When there is n
78. e connector temperature sensor Fix the problem No abnormality is observed Check for the characteristics of the indoor unit heat exchanger T temperature sensor An abnormality is observed Replace the indoor unit heat exchanger Refer to the characteristic table for electronic circuit diagram temperature sensor Remove the connector and check the resistance value of the sensor X For some models the sensor is not connected by a connector but it is directly soldered to the board In this case replace the control board The compressor Operate the air conditioner while the dry valve connector is removed does not stop from the indoor unit control board to check if the compressor stops Replace the indoor unit control board after 3 5 minutes No abnormality is observed The compressor stops Replace the dry valve 86 15 4 24 F19 Heat Storage Cycle Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Liquid leaking Check for liquid leak from heat storage tank Replace the heat storage tank No liquid leaking Check for the characteristics of the heat storage tank temperature sensor An abnormality Refer to the characteristic table for electronic circuit diagram is observed Replace the heat storage tank Remove the connector and check the resistance value of the sensor temperature sensor No abnormality is observed An abnormality Check for the characteristics of the outdoor unit pipe
79. e fan motor lock is determined and this error e Indoor unit fan code is displayed motor lt Points of diagnosis gt Bad connection 1 Check for indoor unit fan motor lock detached 2 Poor contact and detached fan motor connector fan motor failure and indoor unit connector control board H23 Indoor unit heat This error code is displayed when the detected temperature of the indoor unit heat e Indoor unit heat exchanger exchanger temperature sensor is below 50 C or 149 C or higher for 5 consecutive exchanger temperature sensor seconds The temperature is not detected during De lcing temperature sensor error lt Points of diagnosis gt Bad connection 1 This is an error code displayed when an improbable temperature is detected detached If the sensor is not open gt 500kQ or short circuited lt 2 5 poor contact of the connector connector or a failure of control board has occurred 27 Outdoor temperature This error code is displayed when the detected temperature of the outdoor temperature e Outdoor sensor error sensor is below 40 C or 150 C or higher for 5 consecutive seconds temperature sensor lt Points of diagnosis gt Bad connection 1 This is an error code displayed when an improbable temperature is detected detached If the sensor is not open gt 500kQ or short circuited lt 0 5 poor contact of the connector connector or a failure of control board has occurred H28 Outdoor unit heat This error
80. e receptacle using a power plug Use an approved 15 16A 3 4 1 75HP or 16A 2 0HP or 20A 2 5HP or 25A 3 0HP power plug with earth pin for the connection to the socket ii Power supply connection to a circuit breaker for the permanent connection Use an approved 16A 3 4 2 0HP 20A 2 5HP or 25A 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 refrigerant parts Take care of the liquid refrigerant it may cause frostbite 9 Installation servicing work It may need two people to carry out the installation servicing work 10 Do not install this appliance in a laundry room or other location where water may drip from the ceiling etc SQ 11 Do not sit or step on the unit you may fall down accidentally SQ 12 Do not touch the sharp aluminium fins or edges of metal parts SQ If you are required to handle sharp parts during installation or servicing please wear hand glove Sharp parts may cause injury 2 Specification Indoor CS VE9NKE Outdoor CU VE9NKE Performance Test Condition EN 14511 possi dudo Phase Hz Single 50 V 220 230 Min Mid Max Min Mid Max Capacity kW 0 60 2 50 3 0
81. e starts Senet Front Direction towards detection sub area E1 Left Direction towards detection sub area 1 Right Direction towards detection sub area H1 TIMER LED Sensor responded ON Sensor not responded OFF The status in which the detection is not allowed OFF ECONAVI LED The status in which the detection is allowed ON Other LEDs OFF Other parts Follow the case of OFF mode Start of human activity sensor Signal for human Signal for human check activity sensor activity sensor check is received check is received Signal receiving Front Left side B1 Right side sound Beep Signal receiving Signal receiving H1 sound Beep Beep sound Beep Beep Beep Beep Start of human activity sensor check Signal receiving sound Beep Conditions in which detection is not allowed o For 65 seconds after the infrared sensor is powered ON o While the human detection sensor STM is in operation and for 10 seconds after the human activity sensor STM turns off Operation command by ON timer is not valid during check mode OFF mode continues even after the check mode stops at the expiry time 12 12 3 Sunlight Sensor e During ECONAVI operation the sunlight sensor detects sunlight intensity coming through windows and differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature Sun
82. ection mode l Diagnosis code received Two beeps Diagnosis code received Long beep Diagnosis code received Three beeps Cooling Room Temperature Correction Setting mode Diagnosis code received Four beeps Heating Room Temperature Correction Setting mode X Each mode is cancelled if no operation is performed for 5 minutes or any code other than the diagnosis code is received from the remote control 14 2 Remote Control Button 14 2 1 RESET e restore the unit s setting to factory default o Press once to restore the unit s setting 60 Beep Press the Emergency Alarm ON Operation SW Alarm OFF Long beep Beep gt Abnormal Press the Emergency Abnormal detection ON 9 Operation SW detection OFF Long beep Beep Standard gt Standard 1 C Long beep 4 Press the Emergency Two beeps Operation SW Three beeps Standard 2 C Standard 3 C Beep Standard Standard 1 C 4 Press the Emergency Long beep Operation SW Two beeps Standard 3 C Standard 2 C Three beeps 15 Troubleshooting Guide 15 1 Refrigeration Cycle System In order to diagnose malfunctions make sure that there are no Normal Pressure and Outlet Air Temperature Standard electrical problems before inspecting the refrigeration cycle Gas Pressure Outlet air Such problems incl
83. ement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly 24 hour timer setting Improvement Breakdown Self Diagnosis function 11 4 Location of Controls and Components 4 1 Indoor Unit Aluminium fin Front panel Auto OFF ON button Air Filters nanoe G Generator Human Activity Sunlight Sensor Do not touch during operation Sensor Vertical airflow Remote Horizontal airflow direction louver Control direction louver Donotadjust Receiver Do not adjust by hand by hand 4 2 Outdoor Unit Air inlet rear Air inlet side Air outlet 4 3 Remote Control Transmitter COOL mode or EI HEAT mode ie DRY mode Ls l mode A Temperature Ej OFF an 12 5 Dimensions 5 1 Indoor Unit and Remote Control lt Top View gt lt Side View gt lt Side View gt TT Airintake heatcharge Front View direction e Left piping Air outlet hole direction Bottom View Unit Hooks Right piping hole Remote Control Relative position between the indoor unit and the installation plate Front View 890 9 160 100 350 100 180 Indoor Unit External En E FATE Dimension Line 8 M 7 heme 95 P 2 gue Installation Plate E 185 es s s Lm 11 20 5 e g o
84. en remove the control board signal receptor How to remove the control board indicator 1 Disengage the tabs 2 locations on the plastic indicator cover 3 Disconnect the connector 1 location on the control board signal receptor 4 Disconnect the connectors 2 locations on the control board indicator and remove the control board indicator Connector 103 16 1 8 Removing the Air Filter Frame Auto Cleaner 1 Perform 16 1 1 Removing the Front Panel 2 Perform 16 1 2 Removing the Air Filters Note on disassembly The air filter frame be removed without removing the air filters Nevertheless be sure to remove the air filters because the top portion of the air filters may get stuck while reattaching the air filter frame 3 Perform 16 1 3 Removing the Front Grille Right and Front Grille Left 4 Perform 16 1 4 Removing the Control Board Box Note on disassembly There is no need to remove the control board box However the air filter frame cannot be removed unless all the engaged connectors are disconnected and the terminal plate is moved a little bit 5 Remove 4 screws 2 screws each on the right and left sides which fix the air filter frame auto cleaner Air filter frame auto cleaner 2 Left bottom Right bottom 104 16 1 9 Removing the Vertical Airflow Direction Louver How to remove the lower louver of the vertical airflow direction louver 1 Open t
85. en the human detection sensor detects an 68 upper louver obstacle automatically the airflow direction is 60 lower louver set upward according to the detection Discharge temperature 10 is low Airflow unstable Human detecting direction Horizontal airflow 3 6kW or below direction When the furniture position has been set on the When Front Spot or remote control the airflow direction is set Wide is set upward according to the setting Unstable inital airflow 20 1 Ceiling 10 40 30 4 0kW and above COOL airflow Swing When Slightly Right When the furniture position has been set on the 2 5 Preset Slightly Left is set remote control the airflow direction is set angle 10 50 30 upward according to the setting When the human detection sensor detects an When Right or Left is obstacle automatically the airflow direction is set set upward according to the detection gt Other than 66 upper louver 2 initial airflow 60 lower louver Airflow stable Ceiling airflow 10 Drying unstable Human detecting direction 3 6kW or below When the furniture position has been set on the remote control the airflow direction is set COOL DRY upward according to the setting 1 Ceiling Ceiling airflow Mild Dry Cooling No powerful setting for Mild For the models of 2 5 Preset Dry Cooling 6 3kW and above angle 10 40 y 9 Initial Same as the airflow 30 D
86. er supply reset 44 12 11 8 10 C Heat Operation 8 10 C Heat operation provides heating at low setting temperature in unoccupied houses during winter for the purpose of protecting equipments or housing appliances which may be destroyed by the extreme cold weather This operation can be ON by pressing the 8 10 C heat button on the remote control Two temperature settings are available which are o 8 C Pressing TEMP down button at the remote control o 10 C Pressing TEMP up button at the remote control During the operation of this mode o indoor fan speed will remain at Hi fan tap all the time included deice process o Powerful operation Quiet operation Econavi operation and Fan Speed selection are disabled o Cold draft prevention control is disabled Control condition HEAT sd TEMP A button Dk Lit 8 10C 4 ani L mn AUTO 4 AUTO AUTO a 777 Oeveren 7 iB 19 58 19 58 19 58 Start with the last he selected mode HEAT ECONAVI AUTO COMFORT NANOEG aw L AUTO AUTO HEAT 19 58 NOTE Summer house set temperature follows previously fixed set temperature 8 C or 10 C But after battery reset default condition set temperature always start with 8 C Caution If the indoor temperature constantly is less than 0 C Door windows not close properly the error code F11 ma
87. eration is performed under AUTO mode in winter while the outside temperature goes up 2 Check of refrigerant cycle Gas leak refrigerant level is low and pipe breakage 3 Additional check for short circuit of the indoor unit and clogging of air filter F11 Cooling Heating When the temperature of the indoor unit heat exchanger temperature sensor after 4 e 4 way valve switching error minutes from the start of compressor is 45 C and above during cooling or dry cool e 4 way valve coil operation or below 0 C during heating operation this diagnosis code is stored in the memory and the compressor stops It resumes operation after 180 seconds The error code is displayed if this error is detected four times within 40 minutes lt Points of diagnosis gt 1 Check of the 4 way valve Check for disconnection or short circuit of the 4 way valve coil 2 If the 4 way valve is normal then switching error of the 4 way valve has occurred F16 Cooling Dry switching When the temperature of the heat exchanger temperature sensor after 3 5 minutes from e Heat exchanger error the start of compressor is below 7 C consecutively for 1 minute during cooling or dry temperature sensor cool operation this diagnosis code is stored in the memory and the air conditioner stops Bad connection operation It resumes operation after 180 seconds The error code is displayed if this detached error is detected eight times within 75 minutes connector lt Points of diag
88. erature sensor Abnormal Replace the indoor unit heat X Refer to the characteristic table for electronic circuit diagram exchanger temperature sensor Remove the connector and check the resistance value of the sensor X For some models the sensor is not connected by a connector Normal but it is directly soldered to the board In this case replace the control board Normal Check the gas pressure during the rated cooling operation Replace the outdoor unit control board Abnormal Gas pressure is high or low Replace the compressor Low There is no gas leak Replace the capillary tube or heck for presence of gas leak Check for presence of gas lea expansion valve There is a gas leak Replace the part from which gas is leaking 89 15 4 27 F93 Compressor Rotation Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Coil is broken Replace the expansion valve coil and Check for broken expansion valve coil compressor Normal The compressor does not rotate at all After the air conditioner starts operation does the compressor rotate for a Replace the outdoor unit control board while about 1 minute before it stops The compressor rotates for a while Coil is broken Check for broken compressor coil Replace the compressor Normal AC voltage is present Check if AC voltage is present between phases on the compressor Replace the compressor AC vol
89. f the outdoor unit control board is interrupted is interrupted by dust etc Heat radiation is not interrupted 92 15 4 30 F97 Compressor Over temperature Protection Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Disconnection Imperfect connection of the connector 3 Check for bad connection of the compressor temperature sensor connector Fix the problem No abnormality is observed An abnormality Check for the characteristics of the compressor temperature sensor is observed Replace the compressor temperature Refer to the characteristic table for electronic circuit diagram sensor Remove the connector and check the resistance value of the sensor No abnormality is observed Compressor is not abnormally hot 15 the compressor abnormally hot when it stops Replace the outdoor unit control board Compressor is abnormally hot Higher than the normal value Check the gas pressure during the rated cooling operation Replace the compressor Lower than the normal value There is no gas leak Check for presence of gas leak bond the capillary tube or expansion There is a gas leak Replace the part from which gas is leaking 93 15 4 31 F98 Total Current Protection Control Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Voltage drops Voltage drops for the protection against Check if AC voltage drops during operation supply voltage drop or insta
90. front panel while pulling it slightly up Tab Tab 16 2 2 Removing the Electrical Component Covers 2 amp 3 way valve Cover and Terminal Plate Cover 1 Remove the screw 1 piece of the electrical component cover 2 amp 3 way valve cover Slide the electrical component cover 2 amp 3 way valve cover downward to remove it Screw 2 Remove the screws 2 pieces and disengage the tabs 2 locations of the electrical component cover terminal plate cover Then remove the electrical component cover terminal plate cover 111 16 2 3 Removing the Power Supply Box 1 Perform 16 2 1 Removing the Outer Top Panel and Outer Front Panel 2 Perform 16 2 2 Removing the Electrical Component Covers 2 amp 3 way valve Cover and Terminal Plate Cover 3 Disengage 4 tabs of the electrical component cover the top cover of the control board 2 locations each on the right and left sides Remove the electrical component cover the top cover of the control board Ns uaa a 2 gn vn 7 M MR 2 ry i zu Electrical cover the top cover of the control board 4 Remove the fixing screw 1 piece of the power supply box and the fixing screw 1 piece of the powersupply box cover Fixing screw of the power supply box cover Fixing screw of the power supply box 5
91. g Indoor intake air C T 14orT 2 30 T lt 14orT 228 Outdoor air C T lt 13 2 38 T lt 4orT224 Indoor heat exchanger C T lt 30 T20 54 13 1 8 4 Way Valve Operation Detection Control Switching Abnormality between Cooling and Heating e When indoor heat exchanger exceeds 45 C Cooling operation or 0 C Heating and Deice operation in 4 minutes or 3 minutes Deice operation after compressor start compressor will stopped e f above condition occurs 4 times per 30 minutes or 4 times per 40 minutes non stop heating deice operation timer LED blinks F11 indicated 13 2 Protection Control for Cooling and Soft Dry Operation 13 2 1 Outdoor Air Temperature Control e The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below e This control will begin 1 minute after the compressor starts e Compressor frequency will adjust base on outdoor air temperature Limited Frequency Outdoor Air Temperature 13 2 2 Cooling Overload Control e Detects the Outdoor pipe temperature and carry out below restriction limitation Limit the compressor Operation frequency e The compressor stop if outdoor pipe temperature exceeds 61 C e If the compressor stops 4 times 20 minutes Timer LED blinking F95 indicated outdoor high pressure rise protection 13 2 3 Freeze Prevention Control 1 e When indoor heat exchanger temperature is lower than 0
92. great amount of negative ions and distribute through the discharge airflow to capture or deactivate molds bacteria or viruses nanoe G ON OFF condition Priority Item Output No NANOE G is selected during model selection During Demo mode 1 Two way communications on remote control OFF NANOE G connector open NANOE G error circuit error amp abnormal discharge detection 5 Inspection mode NANOE G ON command ON Inspection mode NANOE G OFF command OFF No NANOE G setting on the remote control Operation status OFF 3 During NANOE G restart prohibiting time OFF Prohibiting time is set in the case of abnormal discharge and room temperature of 40 C and above Details will be provided later During FM OFF or FM rotation speed is less than 490 rpm Less than 60 minutes have elapsed since the start of Powerful ON Ordinary vertical louver selected or Airflow individual fan operation 4 direction is not set to ceiling airflow or DOWN ON OFF Other than above intermittent output as mentioned Twin louver is selected or airflow direction is ceiling airflow or DOWN below x ON OFF intermittent output nanoe G operation pause condition When indoor fan stop during deice odor cut control thermostat off etc nanoe G operation resume after indoor fan restarts When indoor intake temperature 2 40 C nanoe G operation resume after indoor intake temperature lt 40 C con
93. hanger temperature sensor is observed X Refer to the characteristic table for electronic circuit diagram Remove the connector and check the resistance value of the sensor No abnormality For some models the sensor is not connected by a connector but is observed it is directly soldered to the board In this case replace the control board Not frozen Check for frozen indoor unit heat exchanger Check the gas pressure during the rated cooling operation Lower than the standard value There is no gas leak Check for presence of gas leak There is a gas leak 84 Clean the filter Replace the indoor unit fan motor Fix the problem Replace the indoor unit heat exchanger temperature sensor Replace the indoor unit control board Replace the capillary tube or expansion valve Replace the part from which gas is leaking 15 4 22 F11 Cooling Heating Switching Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken F11 occurred during cooling operation Perform cooling operation and check if the pipe temperature goes down F11 occurred during heating operation Perform heating operation and check if the pipe temperature goes up Disconnection Imperfect connection of Check for bad connection of the connector of the indoor unit pipe the connector temperature sensor The above symptom is The above symptom is observed not observed Fix the problem No abnormality is observed
94. he following conditions are met o infrared sensor error is not being detected Not in Demo mode Human activity sensor is not selected An error of Error Level 20 or higher is not present The signal for infrared sensor check is received Long press the AUTO COMFORT button on the remote control for 10 seconds 2 Conditions to end the mode The infrared sensor check mode ends when any of the following conditions is met o A signal other than the signal for infrared sensor check is received or the EMERGENCY button is pressed The signal received is followed o 5minutes have elapsed since the signal for infrared sensor check was received The mode is stopped The infrared sensor error is confirmed The mode is stopped o error of Error Level 20 or higher has occurred Follow the processing of each error 49 3 Descriptions of the mode Every time the signal for infrared sensor check is received the fixed detection is performed at a different human activity sensor angle The result is displayed on LED every 3 seconds Operation mode OFF Cleaning is also stopped Panel Ordinary operating position It opens even if the mode signal received is OFF Every time the signal for infrared sensor check is received the position is shifted in the sequence of Front gt Left gt Right gt Front It starts operation from the front position when the check mod
95. he lower louver 2 The back side of the lower louver is designed as follows left inserting type center hook engaging type and right inserting into the motor type Push the center hook to the right to disengage it 3 Warp the center part of the lower louver towards you and pull out the left shaft and then the right shaft Then remove the lower louver Lower louver How to remove the upper louver of the vertical airflow direction louver 1 Open the lower louver and then open the upper louver Upper louver A um nT P d Shaft 2 The back side of the upper louver is designed as follows left inserting type center hook engaging type and right inserting into the motor type Push the center hook to the left to disengage it 3 Warp the center part of the upper louver towards you and pull out the left shaft and then right shaft Then remove the upper louver 105 16 1 10 Removing the Blowout Grille 1 Perform 16 1 1 Removing the Front Panel Perform 16 1 2 Removing the Air Filters Perform 16 1 3 Removing the Front Grille Right and Front Grille Left Perform 16 1 4 Removing the Control Board Box Perform 16 1 8 Removing the Air Filter Frame Auto Cleaner Remove the screws 1 piece each on right and left located at the bottom side of the blowout grille WP Accessory panel 8 Disconnect the drain hose and pull the blowout grille to remove it
96. hen any Press RESET then any Press RESET key at remote control key at remote control at remote control 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 RESET button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there are 2 or more indoor units installed nearby together To change remote control transmission code short or open jumpers at the remote control printed circuit board Remote Control Printed Circuit Board Jumper A J1 Jumper D2 Remote Control No Short Open A Default Open Open B Short Short Short D During Remote Control Number Switch Mode press any button at remote control to transmit and store the transmission code to the EEPROM 59 4 PREFERENCE SETTING MODE o Individual Mode Alarm ON OFF setting mode Diagnosis code received Beep H14 Abnormal Detection Sel
97. in 30 e Compressor error seconds from the start of the compressor the compressor stops and then resume operation in 60 seconds When the error is detected seven consecutive times the compressor stops operation and the error code is displayed lt Points of diagnosis gt 1 The compressor stops under F99 within 30 seconds from its start When the lead wires are disconnected from U V and W on the IPM then operate e If F93 is displayed and the compressor stops Check of refrigerating cycle 3 way valve opening failure clogged pipe failure of compressor disconnection of coil e f F99 is displayed and the compressor stops Check for IPM power supply of DC15V 4 locations and voltage of DC280V Failure of outdoor unit control board 2 If the compressor stops after it operates for more than 5 minutes a failure of the power circuit and refrigerant cycle is also checked Examples of the How to Identify the Faulty Point The following is some flow charts which illustrate on how to identify the faulty point for each code examples 67 e Outdoor unit control board 15 4 Self diagnosis Method 15 4 4 H11 Indoor Outdoor Communication Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Disconnection Imperfect Is there no loosened connection of the wire connected to the terminal connection of the wire H11 may be displayed due to imperfect wire connection No abnormality is observed
98. indoor unit Colour of wires Terminals on the outdoor unit Recommended poar Indoor amp outdoor pg length mm Y Connection cable length mm Note e Secure the connection cable onto the control board with the holder clamper e Ensure the colour of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively e Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason 28 11 2 5 Wire Stripping and Connecting Requirement Wire strippin en Conductor fully Conductor over Conductor not 8 fully inserted connecting ID Gb 5mm or more Gas 5 3 2 D c o T ja 70 4 v 2 m U D m No loose strand when inserted gap between wires RISK OF FIRE JOINING OF WIRES MAY CAUSE WARNING OVERHEATING AND FIRE Do not joint wires ES 1 1 Use complete wire without joining Use approved socket and plug with earth pin Wire connection in this area must follow to national wiring rules 11 2 6 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
99. inserting the flare nut onto the copper pipes E improper flaring le TINT gt 4 Bar Z oe m InclinedS fface Cracked Uneven 9 gt seed sere damaged thickness gt PS j Copper When properly flared the internal surface of the komt down Clamp handle Red arrow mark Die flare will evenly shine and be of even thickness Since the flare part comes into contact with the 1 To cut 2 To remove burrs 3 To flare connections carefully check the flare finish 29 11 3 Outdoor Unit 11 3 1 Install the Outdoor Unit e After selecting the best location start installation according to Indoor Outdoor Unit Installation Diagram 1 Install at least 3 cm above the ground Do not install the unit on the floor 2 Fix the unit on concrete or rigid frame firmly and horizontally by bolt 010 mm Install the outdoor unit in a level position and do not block the holes Failure to do so may result in water leakage or accumulation 3 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 11 3 2 Connect the Piping Connecting the Piping to Indoor Unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping e Align the center of piping and sufficiently tighten the flare nut with fingers e Further tighten the flare nut with to
100. int 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 to nose and mouth and prevent breathing 6 16 Do not use unspecified cord modified cord joint cord 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 S 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 S 18 For R410A models when connecting the piping do not use any existing R22 pipes and flare nuts Using such same may cause abnormally high pressure in the
101. ip 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 ow Pressure High Pressure Electric current during operation during operation Insufficient refrigerant gas leakage Clogged capillary tube or 2 2 2 Strainer Short circuit in the indoor unit a a a a a a Heat radiation deficiency 2 2 2 of the outdoor unit Inefficient compression a a a a a a Carry out the measurement of pressure electric current and temperature fifteen minutes after an operation is started 62 15 2 Breakdown Self Diagnosis Function 15 2 1 Self Diagnosis Function Three Digits Alphanumeric Code Once abnormality has occurred during operation the unit will stop its operation and Timer LED blinks In case of abnormality which does not affect the refrigeration cycle the operation will not stop but the Timer LED will blinks Although Timer LED goes off when power supply is turned off if the unit is operated under breakdown condition the LED will light up again In operation after breakdown repair the Timer LED will no more blink The last error code abnormality will be stored in IC memory 15 2 2 To Make a Diagnosis Timer LED start to blink and the unit automatically stops the operation Press the INFO button on the remote controller Error
102. lding soundproof board and heat charger the band small Remove 4 screws see figure and slide soundproof board towards to propeller fan side to remove Remove soundproof material at upper compressor Remove discharge pipe sensor Remove terminal cover from the compressor 10 Remove 3 lead wires from compressor terminal 11 Make sure remaining particular plate at the lower compressor terminal are removed mr xm ONO Expansion valve particular plate Screws for Soundproof board 12 Release Velcro on front of soundproof material and remove mounting nuts left amp right for compressor by the wrench Mounting nuts for compressor 16 2 8 3 Process 2 Removing Brazing Point 1 Removing butyl tape from piping prior to removing the brazing point Caution Protection from the brazing flame should be considered during replacing the parts Firstly disconnect the pipe which entering to heat charger discharging from heat charger compressor suction and the discharging pipes 1 gt gt fm 1 715 P E y gt 16 2 8 4 Separate Compressor from Heat Charger 1 2 3 4 Take out blocks of compressor and heat charger from the base pan Cut off 2 bands top and bottom which holding compressor and heat charger and lift the bracket to remove Remove the heat transferring sheet from the compressor once separate the heat charger from compressor Remove the sensor
103. light judgment is as following Sunlight intensity reset Judge sunlight intensity Judge ambient condition Temperature shift 12 12 3 1 Sunlight Intensity Reset e The sunlight intensity will to reset to zero no sunlight condition when o Each time ECONAVI is activated o Setting temperature is changed o Operation mode is changed 50 12 12 3 2 Judge Sunlight Intensity e Based on sunlight sensor output voltage the sunlight intensity value will be computed and logged to sunlight intensity database e The sunlight sensor sensitivity could be adjusted Remote control normal mode AUTO ew Press and release more than 10s Default Battery insert Security Level 1 Less sensitive to sunlight intensity Set to level 3 Other than default Security Level 3 Default sensitivity level Display last set data Security Level 5 More sensitive to sunlight intensity Set to level 4 Press Transmit Solar radiation level Set to level 5 L Si 8 after 2 secs go back to normal mode INTENSITY Set to level 1 Settolevel2 _ so 12 12 3 3 Judge Ambient Condition e According to sunlight intensity over a period of time the system will analyze the ambient condition is sunny cloudy or night 12 12 3 4 Temperature Shift Ambient condition Cloudy Sunny Cloudy Sunny
104. moving the Power Supply Box Perform 16 2 6 Removing the Outer Side Panel Right Remove the 4 way valve coil expansion valve coil defrosting 2 way valve coil and heat storage tank 2 way valve coil Then remove the fixing screws of the acoustic insulation board 3 pieces on the right side and 1 piece at the front bottom MI mt y E Lj el 1 vi Y 4 way valve coil HSA Expansion valve coil 9 LJ ns Lem Fixing screw of acoustic insulation board cap 15 mm Acoustic insulation board piy UAI ente Ard x LAS e 7 f SIn Defrosting 2 way valve coil Heat storage tank 2 way valve coil 9 Un 2m 16 ry Ts id Fixing screw of 7 39 acoustic insulation 44 board X Note on assembly When attaching the defrosting 2 way valve coil and heat storage tank 2 way valve coil attach the coils according to the colors indicated on the metal sheet located below the coils to the main unit 6 Cut the band which fixes the heat storage tank to the acoustic insulation board Remove the acoustic insulation board Acoustic insulation I board Ki St T i i n 5 e at fine 117 7 Remove the acoustic insulation material and then remove the nuts which fix the compressor 2 locations The heat storage tank is
105. nds until it stops Push the panel further up and then pull it towards you to remove it Note on disassembly Hold the grooves on the front panel to open it The panel moves if you hold the movable part Front panel 16 1 2 Removing the Air Filters Note that the HX series 2011 does not have the top grille 1 Raise the front panel up with both hands until it stops Note on disassembly Hold the grooves on the front panel to open it The panel moves if you hold the movable part 2 Put your fingers at the slits on both sides of the air filter and pull the filter towards you to remove it Left and right filters are common Note on disassembly The air filters are in L shape which cover up to the inner end of the top side Pull the filters slowly towards you to avoid them from getting stuck Air ir filter ter Air filter right Push ush point Note on assembly When attaching the air filters push the push point on the air filters securely and make sure that there is no misalignment of the filters such as lifted filter 96 16 1 3 Removing the Front Grille Right and Front Grille Left 1 Perform 16 1 1 Removing the Front Panel Front grille left 2 Open the vertical airflow direction louver slowly Remove the fixing screw 1 piece of the indoor outdoor unit transmission wire cover and leave the cover open Note on disassembly Note that the front grille cannot be remove
106. nosis gt e 2 way valve 1 Check of the 2 way valve Make sure that no power is supplied during cool and dry e 2 way valve coil cool operation and the power is supplied during dry operation Check for disconnection of the coil coil open 2 Ifthe coil is normal then switching error of the 2 way valve has occurred F19 Heat storage cycle If all of the following conditions are met three consecutive times the power relay is OFF e Draining of the error for 2 minutes Subsequently if all of the following conditions are once again met three antifreeze liquid consecutive times after the power relay is ON again the TIMER indicator flashes The within the heat air conditioner continues the operation storage tank e The temperature of the heat storage tank is 45 C and above at the start of Non Stop Error of heat De lcing storage tank 2 way e The temperature of the heat storage tank drops by not more than 2 C after 4 minutes valve from the start of Non Stop De lcing e The temperature of the outdoor unit pipe does not reach 6 C at the end of Non Stop De lcing lt Points of diagnosis gt 1 Liquid leak from the heat storage tank 2 Check if the 2 way valve of the heat storage tank is working F90 protection The compressor stops if the DC voltage of the outdoor unit control board PFC output e Outdoor unit control exceeds the preset value for protection against over voltage The error code is board displayed if the protection is activa
107. ntaneous power interruption No abnormality is observed Check for clogging and interrupted heat radiation on the outdoor unit An abnormality is observed Fix the problem heat exchanger No abnormality is observed Measure the current value during rated cooling operation Higher than the normal value Replace the compressor Replace the outdoor unit control board 94 15 4 32 F99 DC Peak Operation Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken After the air conditioner starts operation does the compressor rotate for a while before it stops The compressor rotates for a while The compressor An abnormality does not rotate Is the fan rotating normally is observed at all Cooling Outdoor unit side Heating Indoor unit side Inspect the fan or control board No abnormality is observed An abnormali Check for dirt and interrupted heat radiation on the heat is sided exchanger Fix the problem Cooling Outdoor unit side Heating Indoor unit side No abnormality is observed N For heating operation only Pann work Check if the 2 and 3 way valves are open Roe ia Yes Check for voltage drop on outdoor unit during operation Between the outdoor unit terminals block 1 and 2 Abnormal Fix the wire connecting the indoor and Step Check the voltage during operation outdoor units or fix the wiring between 2 Check the voltage within 2 min after the oper
108. o OFF ON Button pressed Button pressed Button pressed 5 sec 5 sec Auto Operation Test Run Operation Stop Test Run Operation Stop Forced cooling operation Forced heating operation Beep Beep x 2 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF ON button is pressed This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto OFF ON button is pressed continuously for more than 5 seconds A beep sound will heard at the fifth seconds in order to identify the starting of Test Run operation Forced cooling operation Within 5 minutes after Forced cooling operation start the Auto OFF ON button is pressed for more than 5 seconds A 2 beep sounds will heard at the fifth seconds in order to identify the starting of Forced heating operation The Auto OFF ON button may be used together with remote control to set change the advance setting of air conditioner operation Auto OFF ON button pressed Main unit always continue Test Run forced cooling operation 5 sec 8 sec 11 sec 16 sec Auto Operation Test Run Operation Test Run Operation Remote Control Number Preference setting mode Forced Cooling Operation Forced Heating Operation Switch Mode Beep Beep x 2 Beep x 3 4 Press RESET t
109. o signal detection continues for 40 minutes or more or the result of activity amount status is Low consecutively for 5 cycles the status of human absence is judged 12 12 1 5 Determination of Presence or Absence e Human presence status shall be determined based on the human presence status of each area e When all area has been detected absent for more than 120 minutes then it will judge as absence 47 12 12 1 6 Area of Living Classification Judgment e The system is able to judge area of living according to human activity database classified as following o Zone Living Area In front of television dining table etc o Zone ll Walkway Human detection is relatively less Zone lll Non Living Area Near windows wall etc 12 12 1 7 Target Area and Position Judgment default the system will judge the indoor unit installation position according to human activities and will reset the louver center position o Non Living Area at Position A Indoor unit is installed at left side of the room louver center position set to right side o Non Living Area at Position C Indoor unit is installed at right side of the room louver center position set to left side o Other than above Indoor unit is installed at center of the room louver position set to center e Every 4 hours the Target Area and Position Judgment will restart e If the indoor unit installation position is set by remote control the above judgement will be ign
110. on Adhesive Polyethylene sheet the sensor is wrapped Fixing s bracket The appearance of sensor at fixing 3 Insert flat screwdriver into heat charger fixing bracket to open it wide enough to remove the sensor approximately 7mm Do not open the bracket too wide 4 Remove polyethylene sheet to expose the heat charger sensor 5 Replace with a new heat charger sensor and fix it tightly with adhesive polyethylene sheet at its original position Fixing bracket If the heat charger sensor is not properly fixed HEAT CHARGE level detector may lead abnormality Completion of sensor replacement 124 17 Technical Data 17 1 Operation Characteristics 17 1 1 CS VE9NKE CU VE9NKE Cooling Characteristic Condition Room temperature 27 C DBT 19 C WBT Piping length 5m Fc 29Hz 14 900 14 700 14 500 14 300 14 100 13 900 13 700 13 500 13 300 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Outdoor Temperature C Bers eS ZE bn 2 L Bee ee ee eee Outlet Air C 3 000 2 900 2 800 2 700 2 600 2 500 2 400 2 300 2200 ad Pacer ed EC ON EE EI 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 Outdoor Temperature C Capacity kW 1 150 SNEEK EHEEES A RE RE HEP AE E 510882702 8 DP edes see RENES ESM SEI fo dU
111. on heat charger by peeling off polyethylene sheet Keep the sensor for re use after the brazing work Heat charger e 0 em 121 16 2 8 5 Replacement of Heat Charger Exchange with the new heat charger 16 2 8 6 Stick Heat Transferring Sheet and Fix the Heat Charger on the Compressor by Band 1 Peel off the yellow film from new heat transferring sheet and stick it on compressor body Then peel off transparent film for attaching heat charger For sticking adhering the heat transferring sheet the datum shown in figure on right in a vertical direction longer side up 2 When installing heat charger on compressor make sure the three parts of compressor legs and heat charger legs are engaged 3 Install heat charge storage fixing bracket to the original position and firmly fix compressor and heat charger with 2 resin bands large Leave 30mm clearance at the upper end of compressor shell and stick heat transferring sheet half way round of compressor shell starting from the welded part as a datum Caution 1 Carefully read the instructions before proceeding to the replacement of heat transferring sheet 2 When tightening resin bands use pliers to fully pull in bands and make sure there is no cracking or loosening Cut off the end of band using nippers Fixing bracket 122 16 2 8 7 Compressor and Connect the Tubes 1 Set compressor and heat charger block to the o
112. operation if power failure occurs after power resumes combination operation resume immediately nanoe G operation status is not memorized after OFF the unit After OFF the unit when the operation is ON again air conditioner operates with nanoe G operation Error detection control When nanoe G indicator blinks it indicates error listed below connector at main PCB open Judgment method e During nanoe G operation nanoe G connector at main PCB is opened Troubleshooting method e Connect the connector or stop operation to cancel the blinking Abnormal discharge error Judgment method e During nanoe G operation the nanoe G system has abnormal discharge due to short circuit caused by water or dust adhesion and so forth with Lo feedback voltage at microcontroller e When abnormal discharge occurred every 30 minutes the unit supplies power to the nanoe G system e When abnormal discharge occurs for 24 times continuously nanoe G indicator blinks Troubleshooting method Press nanoe G button or OFF ON button to stop the operation and check the nanoe G connector at PCB After that press nanoe G button again to confirm the nanoe G indicator do not blinks 24 timer counter will be clear after 10 minutes of normal operation or when operation stops Error reset method Press OFF ON button to OFF the operation Press AUTO OFF ON button at indoor unit to OFF the operation OFF Timer activates Pow
113. or Unit 11 2 1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from the vibration Wall More than 495mm Wall NNNNNNNNNNNN More than 495mm Installation plate 1 Indoor unit Wall The center of the installation plate should be at more than 495 mm at right and left of the wall The distance from installation plate edge to ceiling should more than 80 mm From installation plate left edge to unit s left side is 85 mm From installation plate right edge to unit s right is 95 mm Mount the installation plate on the wall with 5 screws or more at least 5 screws If mounting the unit on the concrete wall consider using anchor bolts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with 270 mm hole core drill o The hole center of the right pipe is the meeting point of the following two lines the 20 mm offset line from the vertical edge of the installation plate and the horizontally extended line of the side arrow on the plate see figure above o The hole centre of the left pipe is the meeting point of the following two lines the 30mm offset line from the vertical edge of the installation plate and the horizontally extended line of the side arrow on the plate see figure a
114. or lock is determined and this error Bad connection code is displayed detached Or if the speed of the ventilation fan during Auto Clean is below 4000rpm for 250 connector consecutive seconds the Auto Clean operation is stopped If this occurs three e Indoor unit control consecutive times this error code is displayed board Points of diagnosis 1 Check for ventilation fan motor lock 2 Poor contact and detached ventilation fan motor connector ventilation fan motor failure and indoor unit control board H53 Heat storage tank The TIMER indicator flashes when the disconnection or short circuit of heat storage e Heat storage tank temperature sensor tank sensor is detected for 5 consecutive seconds The air conditioner continues the temperature sensor error operation Bad connection Points of diagnosis detached 1 This is an error code displayed when an improbable temperature is detected connector If the sensor is not open or short circuited poor contact of the connector or a failure of control board has occurred H59 Infrared sensor error This error code is displayed when the infrared sensor shows no response within 30 e Infrared sensor seconds after it is ON or continuously responds between 80 and 250 seconds after it is Bad connection ON disconnection Points of diagnosis detached 1 Check of the detection and location of the infrared sensor connector 2 Check for disconnection and detached infrared sensor H70
115. or rotation error If the rotation of the compressor does not synchronize with the control signal this diagnosis code is stored in the memory and the compressor stops It resumes operation after 180 seconds The error code is displayed if this error is detected four times within 20 minutes Points of diagnosis 1 Symptom caused by the failure to open the 2 way and 3 way valves The compressor stops after it operates for 1 to 3 minutes from its start and F93 is stored in the memory 2 Check of the inverter circuit of the control circuit The IPM base current is checked 6 locations within 3 minutes after the power is turned off and on Symptom The compressor stops after 30 seconds from its start and F93 is stored in the memory The error code is displayed once the compressor is restarted four times 3 Check of the disconnection of the compressor coil open Approximately 10 when each phase is in normal state The symptom is the same as the above 2 e Outdoor unit control board 3 way valve opening failure e Detached compressor connector e Compressor phase interruption 95 Overpressure When the temperature of the outdoor unit heat exchanger temperature sensor 1 e Outdoor unit heat protection in case of exceeds 61 C during the cooling or dry cool operation this diagnosis code is stored in exchanger cooling error the memory and the compressor stops operation No error code is displayed temperature lt Point
116. ored 12 12 2 Setting Temperature and Fan Speed Shift e Cooling Dual Sensor ECONAVI To optimize energy saving Heat Source amp Movement Low High Normal None COLD DRY Mode Bea Set nl Fan el Mode Set Temperature Fan Speed 1 48 12 12 2 1 Demo Mode The air conditioner starts the operation in the Demo mode as described below when 2 minutes have elapsed after the protection control was started subsequent to the confirmation of communication error At this time a strong warning sound is emitted for 3 minutes if the test run memory is incomplete Condition to stop the mode The operation is stopped by turning off the air conditioner on the remote control or pressing the EMERGENCY OPERATON switch during the Demo mode TIMER LED flashes Zone B Airflow Unit Operation Mode Normal Operation Transition time to Demo 180sec from 360 sec from 540 sec from 640 sec from Mode the demo starts the demo starts the demo starts the demo starts POWER LED ON OFF NANOE G LED Follow the remote control settings OFF 8 10 C HEAT LED Follow the remote control settings OFF ECONAVI LED Follow the remote control settings OFF Auto Demo mode is set during the model selection Follow the remote control settings TIMER LED When in Product Demo mode Always OFF Timer is cancelled due to H11 Front panel STM Open Stop position Vertic
117. outdoor units power supply doubled e Check of supply Points of diagnosis voltage 1 Check for the model compatibility between indoor amp outdoor units Check of supply voltage CD 200V indoor unit When 100V or 200V is supplied and the outdoor unit is a 100V model The indoor unit immediately turns off the power relay and H33 is displayed After the reset is cancelled the power relay does not turn on if the indoor unit is a 200V model 2 Both indoor and outdoor units are 200V models and 100V power is supplied If the DC voltage of the outdoor unit is 180V or below after 20 seconds from power relay ON the signal is transmitted to the indoor unit If the error occurs one more time H33 is displayed 8 100V indoor unit When 100V is supplied and the outdoor unit is a 200V model The indoor unit immediately turns off the power relay and H33 is displayed H38 Brand not This error code is displayed when the connection is different between the indoor and e Models of indoor corresponding outdoor units and outdoor units Points of diagnosis 1 Check of models and capabilities of indoor and outdoor units 2 Short circuit of CN S on outdoor unit control board H50 Ventilation fan motor If a rotation error too high low speed is detected for 55 consecutive seconds only the e Ventilation fan error ventilation fan motor is stopped and then restarted If the rotation error is detected motor Seven consecutive times the ventilation fan mot
118. ove the electrical component cover the top cover of the control board _ SE TE NIE S TET mn Wnty 0 1m i NI ut 3 Wf Electrical component cover the top cover of the control board 3 Remove the fixing screw 1 piece of the power supply box Fixing screw of the power supply box cover 4 Disconnect the connectors of CN MTR1 white and CN MTR2 white only Notes on assembly When performing the wiring after the replacement of the outdoor motor close the top cover of the control board before connecting the connectors of CN MTR1 amp 2 for wiring If the wiring is performed without closing the top cover of the control board the wire may get pinched while closing the cover 5 Rotate the nut located in the center of the propeller fan clockwise Then remove the propeller fan illi lis m ien m sai S DL VEEN Nut E 1 TINI Propeller fan zii A i 114 6 Loosen the fixing screws 4 pieces of the outdoor motor and remove the outdoor motor Screw 4 locations at every corner Outdoor motor Notes on assembly When assembling the propeller fan and outdoor motor the alignment mark located in the center part of the propeller fan should be aligned with the slit in the shaft of the outdoor motor ll 247 gi Alignment mark Slit in the shaft of the outdoor motor 16 2
119. perature is low cold draught operation starts where indoor fan speed will be reduced 13 3 6 Operation e When outdoor pipe temperature and outdoor air temperature is low deice operation starts e Deice Start condition o Outdoor air temperature sensor1 detects temperature below 9 C continuously for 40 minutes for the next 20 minutes if the temperature is below line A for 3 minutes o Outdoor air temperature sensor1 detects temperature below 9 C continuously for 40 minutes if the temperature is below line A and line B for 3 minutes o Heating operation operates without deicing operation continuously for 24 hour outdoor temperature is below 3 C Piping Temperature 0 8 x Air Temperature 8 3 Pipe Temperature Deice Zone Air Temperature Non stop Heating Deice Operation Heating Operation Start Condition Start Condition Complied Complied Deice with Heating Operation Deice Completed Deice Completed Deice without Heating Operation Normal Deice Ice Melted Judgement Duration of piping temperature increase is too long Retry Deice with Heating Operation Standby Heat Charge Device reached 30 C 35 C within 20 minutes or operate for 30 minutes Deice with Heating Operation Retry Deice Completed Ice Melted Judgement Duration of piping temperature increase is too long Retry Deice with Heating Operation Standby Operate for 10 minutes Without
120. piping Right and Right Bottom piping Eum Tape it with piping in SS position as mentioned installation plate Engage the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Secure the Indoor Unit i f Press the lower left and right side of the unit against the installation plate until hooks engages with their slot sound click To take out the unit push the 7 marking at the bottom unit and pull it slightly towards you to disengage the hooks from the unit 7 marking Insert the connection cable Connection cable Gas side piping Liquid side piping Guide Drain hose Connection cable surface S Cover for piping in Fig below gt IER lt Cover for E Cover for the left the bottom piping Drain hose Cover for piping the right piping Hooks at installation plate Install the indoor unit Sleeve for Hook the indoor unit onto the upper portion of piping hole Piping Installation plate This can be used for left rear piping and bottom piping also Exchange the drain hose and In case of left piping how to insert the the cap connection cable and drain hose Drain hose Gas side piping Liquid side piping Drain hose Cable Drain cap U When inserting a drain cap into the unit do not
121. re sensor is 330 C or higher for 5 consecutive seconds or below 16 C for 5 temperature sensor error consecutive seconds after 5 minutes have elapsed since the compressor is started Bad connection lt Points of diagnosis gt detached 1 This is an error code displayed when an improbable temperature is detected connector If the sensor is not open gt 500kQ or short circuited lt 0 5 poor contact of the connector or a failure of control board has occurred H16 Outdoor unit CT If the detected total current is below 0 7A for 20 consecutive seconds when the air e Low refrigerant disconnection error conditioner operates beyond its rated capacity the air conditioner stops and this error level almost code is displayed This function does not work for 3 minutes after the outdoor unit starts empty operating Outdoor unit control lt Points of diagnosis gt board 1 Check of refrigerating cycle Gas leak Refrigerant level is very low 2 Check of control board Check for disconnection of CT open only The control board is to be replaced in case of CT open X For scroll compressor DC motor H16 is usually detected only when the compressor is in operation H19 Indoor unit fan motor If a rotation error too high low speed is detected for 10 consecutive seconds only the Indoor unit control lock error fan motor is stopped and then restarted If the rotation error is detected seven board consecutive times within 25 seconds th
122. refrigeration cycle piping and possibly result in explosion and injury Use only R410A materials S Thickness of copper pipes used with R410A must be more than 0 8mm Never use copper pipes thinner than 0 8mm It is desirable that the amount of residual oil is less than 40 mg 10m A WARNING 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 caused 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 installation or service confirm there is no leakage or 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 refrigerant contacts with fire 23 Do not insert your fingers or other objects into the unit high speed rotating fan may cause injury S 24 Must not use other parts except original parts described in catalog and manual 25 Using of refrigerant other than the specified
123. riginal position 2 Tighten 2 mounting nuts of compressor by using wrench 3 Braze back the tubes you dismantled Caution Protection from the brazing flame should be considered during brazing back the parts too Completion of fixing the compressor and heat charger 4 After brazing tubes use cooling rag wet towel to cool it down and put the materials such as butyl tape and etc as original conditions 5 Reinstall the heat charger sensor to its original position and affix polyethylene sheet 16 2 8 8 Assemble Electrical Parts 1 Put back electrical parts to their original position 2 Install soundproof material around compressor and secure soundproof board 3 Secure heat charger and soundproof board using resin band This is to prevent compressor and heat charger from falling There is no need to fasten tightly 4 Put back each coil and sensor to their original position 16 2 8 9 Setting Exterior Parts 1 Set and attach side panel right by using screws 2 Set control board and insert each connector 16 2 8 10 Vacuuming Filling Refrigerant and Checking for Gas Leaks 1 Return outdoor equipment to where it was Vacuum fill coolant and check for gas leaks then test 123 16 2 9 Heat Charger Sensor Replacement Procedure 1 Disconnect the sensor connectors from control board CN TH2 red 2 Open Velcro on soundproof material to expose the sensor Heat charger Heat charger Sensor locati
124. rol board connector No abnormality is observed Replace the ventilation fan motor 76 15 4 14 51 Filter Cleaning Nozzle Lock Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken An abnormality Is the air filter removed or displaced is observed Check if any obstacle is present on the top Fix the problem No abnormality is observed Replace the filter frame 77 15 4 15 59 Infrared Sensor Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Disconnection Imperfect 7 connection of the connector Check for bad connection of the connector of the infrared sensor unit Fix the problem No abnormality is observed An abnormality is observed Is DC5V present between 1 3 of the infrared sensor unit Replace the indoor unit control board No abnormality is observed Replace the infrared sensor unit 78 15 4 16 67 NANOE Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken No change in symptom Replace the NANOE generator and high voltage power supply Replace the indoor unit control board Symptom improved Repair is completed 79 15 4 17 H70 Sunlight Sensor Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Replace the board on which the sunlight sensor is mounted and then An abnormality is observed check for the error in the sunlight sensor check mode
125. rom which gas is leaking 81 15 4 19 H97 Outdoor Unit Fan Motor Lock Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken For the type with two connectors 5 pin and 3 pin EUN A foreign object is 6 stuck on the fan Check if a foreign object is stuck on the fan Fix the problem No abnormality is observed Disconnection Imperfect connection of the connector Check for bad connection of the fan motor connector Fix the problem No abnormality is observed When the power is supplied to the outdoor unit check if DC5V is present between 4 5 of the 5 connector The voltage is not present Measure the voltage after the fan motor connector is removed from the board No abnormality is observed When the outdoor unit is in operation check if AC voltage is present voltage is not present Ree odor aca col band between 1 D and 3 of 3 pin and 5 pin connector No abnormality is observed Measure the coil resistance of No 3 pin of the fan motor Check if between 1 8 1 and 3 8 of 3 pin and 5 pin connector is not open circuited or short circuited No abnormality is observed Open circuited or short circuited f Replace the outdoor unit fan motor 82 15 4 20 H98 Indoor Unit Overpressure Protection Troubleshooting Diagnosis Procedures and Cause Measures to be Taken An abnormality is observed
126. rque wrench in specified torque as stated in the table Connecting the Piping to Outdoor Unit 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 30 mm T C Spanner or Wrench Torque wrench Do not overtighten overtightening may cause gas leakage Piping size Torque 6 35 mm 1 4 18 N m 1 8 kgf m 9 52 mm 3 8 12 7 mm 1 2 42 Nem 4 3 kgf m 55 Nem 5 6 kgf m 15 88 mm 5 8 65 Nem 6 6 kgf m 19 05 mm 3 4 100 Nem 10 2 kgf m 11 3 3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure NOOO Liquid side Indoor unit AN 3 Two Way valve Outdoor unit TZ 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 sure to connect the end of the charging hose with the push to the service port Connect the center hose of the charging set to a vacuum pump 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
127. s of diagnosis gt sensor 1 1 Check of the outdoor unit heat exchanger temperature sensor 1 Check for change e Interrupted heat in characteristic and resistance value radiation 2 Check for interrupted heat radiation on the outdoor unit F96 Transistor module Overheat is detected in the IPM to block the heat The diagnosis code is stored in the e Interrupted heat over temperature memory and the compressor stops The error code is displayed if this error is detected radiation protection four times within 30 minutes e Outdoor unit fan lt Points of diagnosis gt motor failure 1 Interrupted heat radiation on the outdoor unit and the failure of outdoor unit fan The e Overload outdoor unit fan does not rotate conditions 2 Failure of IPM outdoor unit control board 3 Check for short circuit and continuity of IPM sensor F97 Compressor over When the temperature of the compressor exceeds 103 C the diagnosis code is stored e Low refrigerant temperature in the memory and the compressor stops It resumes operation after 180 seconds when level relatively protection the temperature is 92 C or below The error code is displayed if this error is detected low four times within 20 minutes e Interrupted heat lt Points of diagnosis gt radiation 1 Check of refrigerating cycle Gas leak Low refrigerant level e Overload Symptom The outdoor unit sometimes stops conditions 2 The compressor temperature sensor is checked when the error
128. start condition When QUIET button at remote control is pressed o Quiet operation stop condition When one of the following conditions is satisfied quiet operation stops QUIET button is pressed again Stop by OFF ON switch Timer off activates AUTO COMFORT button is pressed ECONAVI button is pressed When quiet operation is stopped operation is shifted to normal operation with previous setting When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed When operation mode is changed quiet operation is shifted to quiet operation of the new mode During quiet operation if timer on activates quiet operation maintains After off when on back quiet operation is not memorised e Control contents 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 some models more than 3dB o Fan speed for quiet operation is reduced from setting fan speed 12 6 Powerful Mode Operation e When the powerful mode is selected the internal setting temperature will shift lower up to 1 C for Cooling Soft Dry or higher up to 1 66 C for Heating than remote control setting temperature for 20 minutes to achieve the setting temperature quickly 12 7 Timer Control e There are 2 sets of ON and OFF timer available to turn the unit ON or OFF at different preset time e f more than one timer had been set the upcoming timer will be
129. tage is not present Replace the outdoor unit control board X If the error is not solved by replacement of the control board it is a compressor failure 90 15 4 28 F95 Overpressure Protection in Case of Cooling Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken An abnormality UNE and interrupted heat radiation on the outdoor unit heat is observed Fix the problem Disconnection Imperfect connection of Check for bad connection of the connector of the outdoor unit heat the connector Fix the problem exchanger temperature sensor abnormality is observed No abnormality is observed Check for the characteristics of the outdoor unit heat exchanger An abnormality temperature sensor is observed Replace the outdoor unit heat Refer to the characteristic table for electronic circuit diagram exchanger temperature sensor Remove the connector and check the resistance value of the sensor No abnormality is observed Replace the outdoor unit control board 91 15 4 29 F96 Transistor Module Over temperature Protection Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Ventilation is interrupted l Check if the ventilation of the outdoor unit is interrupted by dust etc Fix the problem Fix the interrupted heat radiation problem No abnormality is observed Replace the outdoor unit control board Heat radiation Check if the heat radiation by the heat sink o
130. ted four times within 20 minutes lt Points of diagnosis gt 1 Check of the inverter circuit on the control board The voltage of IPM is checked within 3 minutes after the power is OFF and then ON Symptom The compressor stops after 30 seconds from its start and F90 is stored in the memory The error code is displayed once the compressor is restarted four times F91 Refrigeration cycle While the air conditioner is in operation beyond the ratings this diagnosis code is stored e Draining of error in the memory and the compressor stops if refrigerant e During cooling or dry cool operation 3 way valve Indoor unit intake air temperature Indoor unit pipe temperature lt 4 C e During heating operation Indoor unit pipe temperature Indoor unit intake air temperature lt 5 C In the case where the air conditioner operates within the total current range of 0 7 1 4A for 5 minutes The compressor resumes operation after 180 seconds The error code is displayed if this error is detected two times within 20 minutes lt Points of diagnosis gt 1 Check of refrigerating cycle Gas leak Gas level is less than a half The diagnosis code to be displayed due to gas leak changes in the order of H99 F97 F91 gt H16 depending on the amount of gas leaked The range of this error F91 is extremely small Protection of the compressor at the beginning of a season opening failure gas leak etc 66 F93 Compress
131. temperature sensor is observed X Refer to the characteristic table for electronic circuit diagram Remove the connector and check the resistance value of the sensor Replace the outdoor unit pipe temperature sensor No abnormality is observed There is no continuity Replace the heat storage tank 2 way Check for the continuity of the heat storage tank 2 way valve coil valve There is continuity There is no continuity T 4 Check for the continuity of the de icing 2 valve coil Replace the de icing 2 way valve coil There is continuity The symptom not improved Replace the heat storage tank 2 way Replace the outdoor unit control board valve and de icing 2 way valve The symptom improved Repair is completed 87 15 4 25 F90 PFC Protection Troubleshooting Diagnosis Procedures and Cause Measures to be Taken PFC protection is activated occasionally PFC protection is activated as a protection against supply voltage drop Is PFC protection activated occasionally or is F90 stored in the memory only 4 A or instantaneous power interruption PFC protection is activated at every operation Replace the outdoor unit control board 88 15 4 26 F91 Refrigeration Cycle Error Troubleshooting Diagnosis Procedures and Cause Measures to be Taken Check if the 2 and 3 way valves are open Open the 2 and 3 way valves Yes Check for the characteristics of the indoor unit heat exchanger temp
132. th m ft 5 0 16 4 2 Length range min max m ft 3 9 8 15 49 2 E I D amp O D Height different m ft 5 0 16 4 Additional Gas Amount g m oz ft 20 0 2 Length for Additional Gas m ft 7 5 24 6 Indoor CS VE9NKE Model Outdoor CU VE9NKE Inner Diameter mm 16 7 Drain Hose Length mm 650 Indoor Heat Fin Material Aluminium Pre Coat Exchanger FPI 26 5 17 Fin Material Aluminium Pre Coat Fin Type Corrugated Fin Outdoor Heat Exchanger Row x Stage x FPI 2 x 32 x 19 5 871 6 x 586 24 x 37 8 Size W x Hx D mm 840 4 Power Supply Indoor Power Supply Power Supply Cord A Nil Thermostat Electronic Control Protection Device Electronic Control DRY BULB WET BULB Maximum 32 23 Cooling Minimum 16 11 Indoor Operation Range Maximum 30 Heating Minimum 16 on Maximum 43 26 Cooling Minimum 10 Outdoor Operation Range Maximum 24 18 Heating Minimum 20 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C 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 Heating low temperature capacity Input Power and COP measured
133. the pipe temperature is high the minimum rotation speed is limited to as in the table below FULL DRY The rotation speed is fixed at as in the table below Min rotation speed for each field The minimum rotation speed is limited based on the following area information COOL COOL DRY 5 Field 1 m E Three sensor model Two sensor model SS x odels URS odels Field 2 840 670 680 940 Field 3 800 630 640 920 2 During the ceiling airflow a correction is performed for the minimum rotation speed as follows ae Field 1 m In COOL or COOL REHEAT DRY mode Field 2 B D 100 100 Field 3 Field 4 When making the air blow towards human Field 5 F body object a correction is performed for the minimum rotation speed as follows In COOL or COOL DRY mode 60 60 In REHEAT DRY mode When making the air blow to avoid human body object a correction is performed for the minimum rotation speed as follows In COOL or COOL i REHEAT DRY model HEAT mode DRY mode 0 0 40 12 3 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only It starts when compressor starts operation and it stops 30 seconds after compressor stops operation ON ON Compressor OFF ON Fan Speed ON
134. tinuously for 30 minutes Indoor fan control During operation mode combines with nanoe G operation fan speed follows respective operation mode However nanoe G system enabled when fan speed 2 490 rpm to ensure proper negative ion distribution nanoe G system disabled when fan speed lt 490 rpm Airflow direction control During any operation mode combines with nanoe G operation airflow direction follows respective operation mode During nanoe G individual operation only Auto Air Swing is allowed Even if Air Swing button is pressed no signal is sent to the unit and no change on remote control display Timer control o When ON Timer activates when unit stops previous operation resumes and restored last saved nanoe G operation status o When ON Timer activates during any operation no change on current operation o When OFF Timer activates during any operation all operation stops and the latest nanoe G operation status is saved Indicator When nanoe G starts nanoe G indicator ON 43 Remote Control Receiving Sound Normal Operation gt nanoe G Operation Beep Nanoe G Operation gt Normal Operation Beep Stop gt nanoe G individual Operation Beep Nanoe G individual Operation gt Stop Long Beep Power failure During nanoe G individual operation if power failure occurs after power resumes nanoe G individual operation resumes immediately During combination
135. type may cause product damage burst and injury etc A 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 S 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 SQ 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 air conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited i Power supply connection to th
136. ude insufficient insulation problem with the k power source malfunction of a compressor and a fan kg cm Ce The normal outlet air temperature and pressure of the refrigeration Cooling Mode 0 9 1 2 9 12 12 16 cycle depends on various conditions the standard values for them Heating Mode 2 3 2 9 23 29 36 45 are shown in the table on the right Condition Indoor fan speed High Outdoor temperature 35 C at the cooling mode and 7 C at the heating mode Compressor operates at rated frequency Difference in the intake Measuring the air temperature and outlet Ty Normal differenced air temperatures 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 Dusty condenser Measuring electric current current during operation preventing heat radiation during operation Excessive amount of refrigerant Lower than specified Gas side pressure Cooling Mode High 7 Measuring gas side pressure Inefficient compressor Insufficient refrigerant Clogged strainer capillary tube Inefficient compressor Insufficient refrigerant Clogged strainer or capillary tube Heating Mode 61 15 1 1 Relationsh
137. ulated by compressor discharge temperature The changes of frequency are as below f compressor discharge temperature exceeds 107 C compressor will be stopped occurs 4 times per 20 minutes timer LED will be blinking F97 is indicated 103 C Compressor OFF 107 C 92 C 99 C Compressor Frequency 105 C Reduce 91 C Compressor Frequency 96 C Maintain 95 C 90 C 85 C Comp temperature Comp Discharge temperature 13 1 5 Low Pressure Prevention Control Gas Leakage Detection e Control start conditions o For 5 minutes the compressor continuously operates and outdoor total current is between 0 75A and 0 95A o During Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 4 C o During Heating operations Indoor piping temperature indoor suction is under 5 C e Control contents o Compressor stops and restart after 3 minutes o If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 13 1 6 Low Frequency Protection Control 1 e When the compressor operate at frequency lower than 24 Hz continued for 240 minutes the operation frequency will be changed to 23 Hz for 2 minutes 13 1 7 Low Frequency Protection Control 2 e When all the below conditions comply the compressor frequency will change to lower frequency Temperature T for Cooling Soft Dry Heatin
138. unication error OFF for 2 minutes Then determine the presence of the error again The error code is of indoor amp outdoor displayed when the error is detected two times No communication error is determined units for 1 minute after the operation is started or the power relay is ON e Indoor outdoor unit Points of diagnosis connection wire 1 The model and supply voltage of the indoor and outdoor unit are checked e Indoor amp outdoor 2 Ensure that the control board of the outdoor unit is working unit control boards 3 The voltage of indoor outdoor communication line the supply voltage of the outdoor Outdoor unit AC unit and the return voltage from outdoor to indoor unit are checked circuit components H14 Indoor unit intake air This error code is displayed when the detected temperature of the intake air e Intake air temperature sensor temperature sensor is below 50 C for 5 consecutive seconds or 149 C or higher for 2 temperature sensor error consecutive minutes after 20 minutes have elapsed since the air conditioner is turned Bad connection on detached lt Points of diagnosis gt connector 1 This is an error code displayed when an improbable temperature is detected If the sensor is not open gt 500kQ or short circuited lt 6 5 poor contact of the connector has occurred H15 Compressor This error code is displayed when the detected temperature of the compressor e Compressor temperature sensor temperatu
139. uto 500 Odor Cut Shift Only for the COOL and COOL range Below Lo No shifting Below Me and fan speed auto 20 Me and above 90 Lock detection When the rotation speed of 2550rpm and above or below 50rpm is detected for 10 consecutive seconds during the feedback control H19 is indicated the TIMER indicator flashes if normal rotation speed is not detected even after the retry is performed 7 times Refer to the attached list of Indoor Unit Fan Operation Status for the operations of the indoor unit fan while the thermostat is OFF 35 1 When the area control is in operation the minimum rotation speed is limited as outlined below depending on the human position area COOL amp COOL DRY Same as the fan speed in the powerful mode When the airflow is stable the minimum rotation speed is limited to as in the table below HEAT Same as the fan speed in the powerful mode In the range where the airflow is stable and the pipe temperature is high the minimum rotation speed is limited to as in the table below FULL DRY The rotation speed is fixed at as in the table below Min rotation speed for each field The minimum rotation speed is limited based on the following area information Three sensor models Two sensor models Corresponding Area Field 1 A Field 2 B D Field 3 Field 4 Field 5
140. y occur This is because in open area the indoor sensor will misjudge operation condition and will give error code 45 12 12 AUTO COMFORT and ECONAVI Operation Area of human availability activity level and absent is judged based on pulses by using 2 infrared sensors internal setting temperature shift fan speed and horizontal airflow direction are adjusted in order to provide comfort environment while maintain the energy saving level e AUTO COMFORT start condition o When AUTO COMFORT button is pressed e AUTO COMFORT stop conditions When AUTO COMFORT button is pressed again When unit is OFF by OFF ON button When unit is OFF when OFF TIMER activates When unit is OFF by AUTO OFF ON button at indoor unit When POWERFUL QUIET and AUTO COMFORT operation activates When 4 button is pressed 000000 e ECONAVI start condition o When ECONAVI button is pressed e ECONAVI stop conditions When button is pressed again When unit is OFF by OFF ON button When unit is OFF when OFF TIMER activates When unit is OFF by AUTO OFF ON button at indoor unit When POWERFUL QUIET and AUTO COMFORT operation activates When 4 button is pressed 00000 0 12 12 1 Human Activity Sensor Area of human availability activity level and absent is judged based on pulses by using infrared sensor The internal setting temperature shift fan speed and horizontal airflow direction are adjusted in order to provid

Indoor Unit Outdoor Unit CS-VE9NKE CS-VE12NKE

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