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17.2 Outdoor Electronic Controller Removal Procedure

17.2.1 CU-VU9SKQ CU-VU12SKQ

Caution! When handling electronic controller, be careful of electrostatic discharge.

1. Remove 5 screws of the Top Panel.

Screws

Screw

Top Panel

Fig.1

2. Remove the 6 screws of the Front Panel.

Screws

Front Panel

Fig.2

Содержание CS-VU9SKQ

Страница 1: ...nical 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 ser...

Страница 2: ...4 13 2 Indoor Fan Motor Operation 65 13 3 Outdoor Fan Motor Operation 65 13 4 Airflow Direction 66 13 5 Shower Direct Operation 68 13 6 Timer Control 69 13 7 Sleep Mode Operation 69 13 8 Random Auto R...

Страница 3: ...ng incompatible material may cause product damage burst and serious injury 2 Do not install outdoor unit near handrail of veranda When installing air conditioner unit on veranda of a high rise buildin...

Страница 4: ...external force will have impact on the terminal If connection or fixing is not perfect it will cause heat up or fire at the connection 21 Wire routing must be properly arranged so that control board c...

Страница 5: ...ne of the following method Power supply point should be in easily accessible place for power disconnection in case of emergency In some countries permanent connection of this air conditioner to the po...

Страница 6: ...vice personnel Any qualified person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry accredited assessment authority whic...

Страница 7: ...ng the system That there is continuity of earth bonding At all times the manufacturer s maintenance and service guidelines shall be followed If in doubt consult the manufacturer s technical department...

Страница 8: ...oses or lines shall be as short as possible to minimize the amount of refrigerant contained in them Cylinders shall be kept upright Ensure that the refrigeration system is earthed prior to charging th...

Страница 9: ...ith a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of flammable refrigerants In addition a set of calibrated weighing scales shall be available a...

Страница 10: ...8 Outdoor Noise H L QLo dB A 47 47 Max Current A Max Input Power W 5 0 1 04k Starting Current A 3 0 Compressor Type Hermetic Motor Rotary Motor Type Brushless 6 poles Output Power W 650 Indoor Fan Typ...

Страница 11: ...Gas m ft 7 5 24 6 Drain Hose Inner Diameter mm 16 2 Length mm 550 Indoor Heat Exchanger Fin Material Aluminium Pre Coated Fin Type Slit Fin Row Stage FPI 2 15 21 Size W H L mm 675 315 25 4 Outdoor He...

Страница 12: ...tdoor Noise H L QLo dB A 48 48 Max Current A Max Input Power W 6 5 1 42k Starting Current A 4 0 Compressor Type Hermetic Motor Rotary Motor Type Brushless 6 poles Output Power W 650 Indoor Fan Type Cr...

Страница 13: ...al Gas m ft 7 5 24 6 Drain Hose Inner Diameter mm 16 2 Length mm 550 Indoor Heat Exchanger Fin Material Aluminium Pre Coated Fin Type Slit Fin Row Stage FPI 2 15 21 Size W H L mm 675 315 25 4 Outdoor...

Страница 14: ...46 36 33 Outdoor Noise H L QLo dB A 49 49 Max Current A Max Input Power W 10 0 2 15k Starting Current A 7 0 Compressor Type Hermetic Motor Motor Type Brushless 6 poles Output Power W 900 Indoor Fan Ty...

Страница 15: ...nal Gas m ft 10 32 8 Drain Hose Inner Diameter mm 16 2 Length mm 550 Indoor Heat Exchanger Fin Material Aluminium Pre Coated Fin Type Slit Fin Row Stage FPI 2 15 21 Size W H L mm 675 315 25 4 Outdoor...

Страница 16: ...t adjust by hand Auto OFF ON button Use when remote control nanoe G Generator Do not touch during operation is misplaced or a malfunction occurs 4 2 Outdoor Unit 4 3 Remote Control iCOMFORT TEMP TEMP...

Страница 17: ...s line Installation plate Unit mm 13 5 264 80 127 741 424 448 151 80 128 256 306 Top View Front View Bottom View Rear View Side View Side View Remote Control Holder Remote Control 59 165 69 64 950 355...

Страница 18: ...t View Top View Unit mm 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure 320 R32 REFRIGERANT 5 2 2 CU VU18SKQ Top View Front View Side View Side View Anchor Bolt Pitch 330...

Страница 19: ...SKQ CU VU12SKQ INDOOR OUTDOOR INTAKE TEMP SENSOR PIPE TEMP SENSOR INTAKE TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER COND...

Страница 20: ...DOOR INTAKE TEMP SENSOR PIPE TEMP SENSOR INTAKE TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER COMPRESSOR TEMP SEN...

Страница 21: ...KQ CS VU12SKQ CU VU12SKQ SINGLE PHASE POWER SUPPLY FUSE101 FUSE103 FUSE 104 FUSE 102 PTC NTC TH2 PTC1 RY AC1 RY PWR RY FM REACTOR TEMP FUSE FUSE 301 M CR1 C FM CT102 FAN MOTOR M 1 SC NOISE FILTER SC 1...

Страница 22: ...VU18SKQ FUSE104 FUSE101 SINGLE PHASE POWER SUPPLY FUSE103 TEMP FUSE FUSE 301 M N L INDOOR UNIT OUTDOOR UNIT TH1 NTC CT101 PTC PTC1 RY AC RY PWR REACTOR NOISE FILTER 1 2 3 SC MS 3 MS 3 FUSE3 FUSE2 IC19...

Страница 23: ...YLW GRAY GR PURPLE PE REMOTE CONTROLLER ELECTRONIC CONTROLLER DISPLAY ELECTRONIC CONTROLLER CONNECTOR CN DISP WHT CN DISP WHT 1 9 9 1 W W W W W W W W W CN STM3 WHT CN STM5 YLW CN STM601 WHT ELECTRONIC...

Страница 24: ...WER SUPPLY CIRCUIT FUSE102 T3 15A L250V BLU RED YLW FM1 BLU FM2 RED FM3 YLW M 1 FAN MOTOR CIRCUIT FUSE101 20A 250V 3 RED 2 WHITE 1 BLACK N L PFC CIRCUIT ELECTRONIC CONTROLLER YLW GRN GROUNDING TERMINA...

Страница 25: ...6 1 COMPRESSOR TEMP SENSOR THERMISTOR 1 3 CN TANK WHT CN TH1 WHT P N SWITCHING POWER SUPPLY CIRCUIT FUSE3 20A 250V FUSE2 20A 250V FUSE103 20A 250V 3 RED 2 WHITE 1 BLACK COMMUNICATION CIRCUIT W U V FAN...

Страница 26: ...Y CN1 WHT 4 3 2 1 4 3 2 1 CN CLN GRN 12V C23 C24 C26 C29 R12 R14 Q01 Q02 R2 R3 E C B F301 32V 500mA 5V R10 5V Q04 E C B CN2 GND 6 0kV W W CN 501 WHT CN SW WHT 1 2 2 1 ELECTRONIC CONTROLLER EMERGENCY S...

Страница 27: ...D BLU YLW U RED FUSE103 T3 15A L250V FUSE104 15A 250V V BLU W YLW U V W MS 3 P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V BLU RED YLW FM1 BLU FM2 RED FM3 YLW M 1 FAN MOTOR CIRCUIT FUSE101 2...

Страница 28: ...USE3 20A 250V FUSE2 20A 250V FUSE103 20A 250V 3 RED 2 WHITE 1 BLACK COMMUNICATION CIRCUIT W U V FAN MOTOR MS 3 MS 3 NOISE FILTER CIRCUIT PFC CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT BLK N L...

Страница 29: ...Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board CN DUST CN STM1 CN STM4 CN RMT CN STM6 CN DISP CN SW CN TH1 CN FM CN CLN CN RCV CN STM3 CN TH2 AC303 CN STM5 JP1 Random Auto Restart e...

Страница 30: ...ndicator Printed Circuit Board CN DISP 10 1 3 Receiver Printed Circuit Board CN RCV 10 1 4 Connector Printed Circuit Board CN STM601 CN STM604 CN STM602 CN STM603 10 1 5 Switch Printed Circuit Board S...

Страница 31: ...rd R22 C11 ZD1 D4 D5 D8 R5 Q5 J2 PbF Q4 R7 D7 R20 R15 C7 R13 R26 R28 T11 Q8 R21 F1 Q1 T3 R4 R1 R12 Q7 Q6 R11 C1 R8 R2 C5 Q3 T7 C6 D3 R6 C4 T4 T5 ZD2 T2 C12 R23 R19 C3 R3 R10 Q2 T12 T8 J1 T10 T9 C8 CN...

Страница 32: ...32 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board 10 2 1 1 CU VU9SKQ CU VU12SKQ CN TH CN TANK CN S AC WHT AC BLK DATA POWER TRANSISTOR IPM CURRENT TRANSFORMER CT...

Страница 33: ...33 10 2 1 2 CU VU18SKQ CN STM CN TH1 CN S CN MTR1 CN TANK CN MTR2 POWER TRANSISTOR IPM CURRENT TRANSFORMER CT AC BLK AC WHT DATA...

Страница 34: ...3 20 20 30 10 Additional Refrigerant m 10 25 7 5 Piping Length for add gas m 7 5 10 1 14 Indoor Amin m2 1 14 2 15 Example For VU9 If the unit is installed at 10 m distance the quantity of additional r...

Страница 35: ...st 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...

Страница 36: ...piping Step 7 Insulate and nish the piping Please refer to Insulation of piping connection column as mentioned in indoor outdoor unit installation Step 8 Secure the Indoor Unit Refer to the section C...

Страница 37: ...ble Piping More than 470 mm More than 1050mm 1 0 2 0HP 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 In case of left pipin...

Страница 38: ...ires Terminals on the outdoor unit 1 2 3 1 2 3 WARNING This equipment must be properly earthed Recommended length mm a b c d 35 35 35 55 Recommended length mm Connection cable Indoor outdoor connectio...

Страница 39: ...connection in this area must follow to national wiring rules 11 2 4 2 Cutting and flaring the piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burr...

Страница 40: ...nt portion of tube assembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flar...

Страница 41: ...proximately five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve...

Страница 42: ...designation 60245 IEC 57 or heavier cord Do not use joint connection cable Replace the wire if the existing wire from concealed wiring or otherwise is too short 4 Connect the power supply cord and co...

Страница 43: ...t is unavoidable eg concealed piping The purpose of pump down is to collect back the compressor oil which is mixed with refrigerant and circulating inside refrigeration cycle properly into the outdoor...

Страница 44: ...n 2010 the regulations of American Society of Heating Refrigerating and Air Conditioning Engineers in the United States ANSI ASHRAE34 was issued adopting the grades for refrigerants which are difficul...

Страница 45: ...of R410A it is necessary to do installation and service using high pressure tools and components Table 2 Saturated vapor pressure comparison table Unit MPa Temperature Refrigerant R32 R410A R22 20 0...

Страница 46: ...tools such as screw drivers metal saws electric drills long nose pliers hole core drills 70 or 65 linen tape levels temperature gauges clamp meters electric knives nippers pipe cutters reamers or scra...

Страница 47: ...sizes R32 common R410A R22 Port sizes 1 2 UNF20 7 16 UNF20 5 Charging hoses The pressure resistance of charge hoses is increased At the same time the material is changed to HFC resistant and the size...

Страница 48: ...me time the digital scale for refrigerant charging is strengthened by receiving the weight of the refrigerant cylinders with four pillars at the corners The connection ports of charging hoses have two...

Страница 49: ...or each HCF type can be used Knowledge for the common usage of tools for R410A R32 R410A and R32 machines use different compressor oils If unregulated compressor oil gets mixed into it may cause damag...

Страница 50: ...ention of impurity Leakage checking Insertion of refrigerant Dismantling indoor outdoor units Repairing by brazing Evacuation Air purging new installation and relocation for at or more than 15 minutes...

Страница 51: ...of moisture and dirt do not get into the pipes and make sure of no refrigerant leakage The procedure of flaring and precautions a Cutting of pipes use pipe cutter and cut the pipe slowly not to de sha...

Страница 52: ...d leave it for 1 2 minutes Then remove the connection side of the charging hose of vacuum pump adopter after checking the needle of manifold gauge does not turn back 4 Open the stem of 2 way valve to...

Страница 53: ...y loosen the charging hose in discharging side of recovery device and perform air purge the recovery cylinder needs slight inside pressure 7 Insert electric plug of recovery device into electrical out...

Страница 54: ...ach and tighten the caps of two way and three way valves with torque wrench 6 Remove the connecting pipes liquid side and gas side b Removal of indoor and outdoor units 1 Remove the connecting pipes a...

Страница 55: ...res below 6 Remove the charging hose red of the manifold gauge from the vacuum pump adopter 7 After adjusting the digital scale to zero open the cylinder valve and the valve Lo of the manifold gauge a...

Страница 56: ...ide check and make sure no refrigerant is contained in the air be careful with vaporized refrigerant Furthermore protect the compressor terminal with metal plates and heat but use wet clothes to cool...

Страница 57: ...m the provision of gas 1 Slightly open the propane valve of the torch and make sure the gas comes out from the torch crater and then close the propane valve 2 Slightly open the oxygen valve of the tor...

Страница 58: ...flame Blue color Oxidizing Flame Oxygen is more compared to the neutral flame Although the flame size is small this has the highest flame heat However due to the excessive oxygen contained in the flam...

Страница 59: ...esistance in stainless steel based brazing suitable for brazing tungsten carbide aluminum bronze and copper BCuP BCuP 2 remain 6 8 7 5 approx 710 approx 785 690 815 21 24 5 Cu Good liquidity suitable...

Страница 60: ...n Further by bending the brazing portion of dryer side of the capillary tube at 15 mm from the tube top to the angle of about 120 you can prevent the damage of dryer inside and the clogging of brazing...

Страница 61: ...capillary tube and dryer etc caution has to be taken to apply the flame to the dryer side thick pipe side in order to prevent burn out by the heat 4 When brazing the compressor connection pipes suctio...

Страница 62: ...ean obstructing heat suction 3 Is the setting temperature on the remote controller correct is the setting temperature set at lower higher than the room temperature 12 8 2 Understanding and verificatio...

Страница 63: ...re Excess insertion of refrigerant Clogged capillary expansion valve malfunction Heat releasing obstruction Clog by moisture Dirty condenser attachment of impurity Lack of refrigerant gas Compressor m...

Страница 64: ...point 13 1 3 Soft Dry Operation 13 1 3 1 Thermostat Control Compressor is OFF when Intake Temperature Internal Setting Temperature 2 0 C Compressor is ON after waiting for 3 minutes if the Intake Air...

Страница 65: ...operation Feedback control o Immediately after the fan motor is started feedback control is performed once every second o During fan motor on if fan motor feedback 2550 rpm or 50 rpm continuously for...

Страница 66: ...0 Manual 23 30 35 40 44 Cooling and Soft Dry Auto 23 44 Manual 23 30 35 40 44 Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stat...

Страница 67: ...67 Cooling Zero Vane Angle 2 1 SHOWER iCOMFORT Auto Reaches set temp Cooling Zero Vane Angle Dew 2 5 The horizontal vane angle tolerance is within 5 degree...

Страница 68: ...1 2 3 4 5 Top View Pattern 1 2 3 4 5 Airflow Direction Patterns at Remote Control Vane Angle 90 65 77 5 102 5 115 The vertical vane angle tolerance is within 5 degree 13 5 Shower Direct Operation To e...

Страница 69: ...timer set will stop at set OFF time Notes 1 By pressing ON OFF operation button the ON Timer or OFF Timer setting will not be cancelled 2 To cancel the previous timer setting press CANCEL button 3 To...

Страница 70: ...OFF DUST SENSOR Mode OFF Note If POWER LED blinks the possible operation of the unit is ON timer sampling If TIMER LED blinks there is an abnormal operation occurs 13 10 nanoe G Operation This operati...

Страница 71: ...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 o When nanoe G starts nanoe G indicator ON...

Страница 72: ...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 The 24 timer counter will b...

Страница 73: ...Dry mode before turned off 1 The unit will operate fan operation fan motor will operate at 500 rpm for 30 minutes then stop 2 During fan operation horizontal vane will fixed at 30 outer vane and 63 i...

Страница 74: ...s the dust sensor indicator turns RED and nanoe G turns ON If the dust sensor detects a low level of particles the dust sensor indicator turns WHITE and nanoe G turns OFF Dust Sensor monitoring LED En...

Страница 75: ...t exceed X value for 10 seconds the frequency instructed will be increased However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes Model VU9...

Страница 76: ...nd outdoor total current is between 0 65 A and 1 65 A o During Cooling and Soft Dry operation Indoor suction temperature indoor piping temperature is below 4 C Control contents o Compressor stops and...

Страница 77: ...r than 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger is higher than 5 C for 5 minutes the fan speed will return to its normal operation...

Страница 78: ...ontrol 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 s...

Страница 79: ...ch 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 st...

Страница 80: ...eep sound is heard as confirmation of transmission code change o LCD returns to original display if remote control does not operate for 30 seconds iCOMFiAUTO XHEATCOOLDRYFAN F SHOWER DIRECT AM PM AM O...

Страница 81: ...e 16 C High2 No code transmission o Press Timer Set button to confirm low limit selection o Press TEMP increment or decrement button to choose No 4 o Press Timer decrement or increment button to selec...

Страница 82: ...ce to restore the unit s setting 15 2 4 TIMER To change indoor unit indicators intensity o Press continuously for 5 seconds 15 2 5 TIMER To change remote control display from Degree Celsius C to Degre...

Страница 83: ...MPa kg cm2 G Outlet air Temperature C Cooling Mode 0 9 1 2 9 12 13 17 Condition Indoor fan speed High Outdoor temperature 35 C at cooling mode Compressor operate at rated frequency Different in the in...

Страница 84: ...w Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or strainer Short circuit in the indoor unit Heat radiation deficiency of the out...

Страница 85: ...ed Error Code Protective Operation 1 Turn power on 2 Press the CHECK button on the remote control 3 will be displayed on the remote control display Note Display only for No signal transmission no rece...

Страница 86: ...rmality Air filter dirty Air circulation short circuit H99 Indoor heat exchanger freeze prevention protection Insufficient refrigerant Air filter dirty F11 4 way valve switching failure 4 occurrences...

Страница 87: ...outdoor units Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform Troubleshooting Check the indoor outdoor units connection wires Is there any wiring error Disco...

Страница 88: ...he indoor and outdoor units Troubleshooting Check the indoor and outdoor unit connection wires Check indoor and outdoor units model number Is indoor unit and outdoor unit model numbers matched Check t...

Страница 89: ...onent breakdown always switch off the power before remove and connect the component Connector poor contact Correct the connection Defect in indoor unit PCB Replace the indoor unit PCB Defect in indoor...

Страница 90: ...ct the connection Defect in outdoor compressor temperature sensor Replace the outdoor compressor temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Turn off the power Check the...

Страница 91: ...ion Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the functionality of current transformer CT Is the CT...

Страница 92: ...d When abnormality indication starts again Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Does it rotate Stop fan motor Check the rotation feedback output from fan mot...

Страница 93: ...or unit PCB Replace the outdoor unit PCB Defect in outdoor intake air temperature sensor Replace the outdoor intake air temperature sensor NO NO YES YES 0 10 10 10 20 30 40 50 0 20 30 40 50 60 70 Temp...

Страница 94: ...c Defect in indoor unit nanoe G power module Replace the indoor unit nanoe G power module Defect in indoor unit main PCB Replace the indoor unit main PCB Check the indoor unit main PCB CN CLN terminal...

Страница 95: ...abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Turn off the power Check the connector con...

Страница 96: ...y reason and to prevent component breakdown always switch off the power before remove and connect the component No No YES YES Check the outdoor heat exchanger temperature sensor Plug out connector fro...

Страница 97: ...move and connect the component Is the measured resistance of the outdoor discharge pipe temperature sensor matches the value specified in its characteristic chart Is the connector connection normal YE...

Страница 98: ...ting H33 occurs intermittently during operation unit has operated normally before H33 occurs right after servicing and has never occur before Has the PCB indoor or outdoor being replaced Confirm the r...

Страница 99: ...ndication starts again Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Does it rotate Stop fan motor Check the rotation feedback output from fan motor Rotate the fan mo...

Страница 100: ...Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check the indoor unit air filter Is the air filter dirty Check...

Страница 101: ...rror due to faulty indoor unit PCB Troubleshooting Check the air passage When abnormality indication starts again Is there any short circuit YES YES YES YES NO Check the air filter Is the air filter d...

Страница 102: ...omponent breakdown always switch off the power before remove and connect the component Replace the indoor main PCB Correct loose or broken cable connector YES Replace the indoor pipe temperature senso...

Страница 103: ...own always switch off the power before remove and connect the component NO YES YES Check the compressor winding resistance Turn off the power supply and disconnect the harness U V and W Measure the wi...

Страница 104: ...component YES YES YES NO NO NO NO YES 70 60 50 40 30 20 10 0 10 20 30 40 50 10 0 Resistance k Sensor Thermistor Characteristics Pipe temp Sensor Intake Air Temp Sensor 1 2 1 2 Temperature C When F91...

Страница 105: ...minal disconnect Outdoor PCB malfunction Troubleshooting When F93 indication happens Turn off power supply Disconnect U V and W wires Measure the winding resistance between U V V W and U W Are the com...

Страница 106: ...sensor Outdoor pipe temperature rise due to defective outdoor unit PCB Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the co...

Страница 107: ...ry of IPM IPM overheats due to defective IPM temperature sensor Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component...

Страница 108: ...ce the compressor tank temperature sensor Repair the pipe flare or union nuts Reclaim and recharge refrigerant Open the 2 3 way valve Procedure complete Check the compressor tank temperature sensor Do...

Страница 109: ...efrigerant Troubleshooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Replace the outdoor unit PCB Repair the pipe flare o...

Страница 110: ...rant Replace the outdoor unit PCB Compressor defective due to mechanical locked Replace compressor Compressor defective due to winding shorted Replace compressor Amplification IC defect Diode defect D...

Страница 111: ...el Lift up the flap slightly to prevent from blocking the front panel during detaching Open the panel until vertically and pull the front panel towards you to remove the front panel Lower down 1 Sligh...

Страница 112: ...Air Filter B left Air Filter B right Pull Air Filter A Pull Air Filter B Hook Hook Note on assembly When attaching the air filters insert the air filters to the guider and securely insert to the hook...

Страница 113: ...e electronic controller Dust Sensor by releasing the tab and pull the electronic controller out 17 1 5 To Remove nanoe G Generator Or nanoe G Generator Push Push Electronic Controller 1 Push upward or...

Страница 114: ...c controller Indicator 2 Release the tab and remove the electronic controller Indicator by detach the connector Release the tab and pull the electronic controller out 3 Unhook the indicator flap from...

Страница 115: ...115 17 1 8 To Remove Electronic Controller Auto OFF ON Particular Piece Tab Electronic Controller 1 Detach 1 connector from electronic controller Auto OFF ON 2 Release the tab and remove...

Страница 116: ...CN STM3 CN TH2 AC303 CN STM5 1 Remove the control board cover by releasing the tabs 2 Release the tab and remove 3 Detach the terminal wire Brown terminal wire Black terminal wire Red power supply lin...

Страница 117: ...rille 17 1 11 To Remove Gear Complete Shaft Connecting Bar Gear Complete Air Swing Motor Discharge Grille Screw 1 Remove the shaft from discharge grille complete to remove the gear complete 2 Unscrew...

Страница 118: ...ping Motor 1 Unscrew the 4 mounting screws from the drain pan 2 screws and stepping motor 2 screws Pull the drain pan downward and dismantle gently 17 1 14 To Remove Control Board Control Board Screw...

Страница 119: ...ross flow fan to indoor motor 2 Pull the cross flow fan out by lifting up 3 Fan motor can be removed after the removal of cross flow fan 4 Detach the connector from fan motor Pull the motor out to rem...

Страница 120: ...120 17 1 16 To Remove Evaporator Chassis Back Cover Chassis Evaporator Screw Pull 1 Unhook back cover chassis 2 Unscrew 4 mounting screws which fixes the evaporator to chassis Pull the evaporator out...

Страница 121: ...2 1 CU VU9SKQ CU VU12SKQ Caution When handling electronic controller be careful of electrostatic discharge 1 Remove 5 screws of the Top Panel Screws Screws Screw Top Panel Fig 1 2 Remove the 6 screws...

Страница 122: ...rd Cover Fig 3 Remove 2 screws Remove 7 connectors from terminal board Remove earth wire Remove 2 earth wire Remove 2 connectors from reactor Remove 1 screw Remove fan motor connector 4 connectors fro...

Страница 123: ...electrostatic discharge 1 Remove the 5 screws of the Top Panel Fig 1 2 Remove the 8 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control...

Страница 124: ...C Gas Side Piping Pressure MPa Outdoor Air Temperature C Outlet Air Tempeature C Outdoor Air Temperature C Cooling Capacity kW 220V 230V 220V 230V 220V 230V 220V 230V 2 500 2 720 2 940 3 160 3 380 3 6...

Страница 125: ...g Length m Outlet Air Tempeature C Piping Length m Cooling Capacity kW 220V 230V 220V 230V 220V 230V 220V 230V 2 600 2 700 2 800 2 900 3 000 3 100 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 080...

Страница 126: ...ure MPa Outdoor Air Temperature C Outlet Air Tempeature C Outdoor Air Temperature C Cooling Capacity kW 220V 230V 220V 230V 220V 230V 220V 230V 3 500 3 700 3 900 4 100 4 300 4 500 30 31 32 33 34 35 36...

Страница 127: ...g Length m Outlet Air Tempeature C Piping Length m Cooling Capacity kW 220V 230V 220V 230V 220V 230V 220V 230V 3 700 3 780 3 860 3 940 4 020 4 100 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 0 970...

Страница 128: ...ure MPa Outdoor Air Temperature C Outlet Air Tempeature C Outdoor Air Temperature C Cooling Capacity kW 220V 230V 220V 230V 220V 230V 220V 230V 6 000 6 420 6 840 7 260 7 680 8 100 30 31 32 33 34 35 36...

Страница 129: ...apacity kW 220V 230V 220V 230V 220V 230V 220V 230V 6 000 6 220 6 440 6 660 6 880 7 100 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 0 880 0 890 0 900 0 910 0 920 0 930...

Страница 130: ...16 49 53 54 5 30 32 51 50 15 56 17 33 45 46 44 43 48 3 4 21 23 25 I I O I 57 58 I I 59 26 27 12 11 28 29 20 22 19 13 24 14 iCOMFORT TEMP TEMP SHOWER DIRECT OFF ON 55 61 52 53 54 Note The above explode...

Страница 131: ...1 ACXA73 00380 O 21 LEAD WIRE COMPLETE CN RCV 1 ACXA60C01280 22 ELECTRONIC CONTROLLER SWITCH 1 ACXA73 00760 O 23 LEAD WIRE COMPLETE CN SW 1 ACXA60C01290 24 ELECTRONIC CONTROLLER INDICATOR 1 ACXA73 00...

Страница 132: ...4 16CFJ 53 AIR FILTER BIG 2 ACXD00 00110 O 54 AIR FILTER SMALL 2 ACXD00 00120 O 55 REMOTE CONTROL SWITCH COMPLETE 1 ACXA75C00940 56 INTAKE GRILLE 1 ACXE22 00150 57 OPERATING INSTRUCTION 1 ACXF55 00410...

Страница 133: ...SKQ 35 13 12 33 34 3 29 5 6 7 22 8 30 32 25 26 28 19 27 16 17 21 20 9 24 14 15 23 36 31 4 1 11 10 2 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbere...

Страница 134: ...3 WAY VALVE GAS 1 CWB011581 CWB011663 O 19 REACTOR 1 G0C752K00001 O 20 TERMINAL COVER 1 CWH171039A 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151427 23 SOUND PROOF MATERIAL 1 CWG30...

Страница 135: ...4 7 30 3 1 9 10 14 8 37 22 17 18 21 15 16 33 36 35 44 26 27 24 19 2 43 28 38 47 46 12 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are n...

Страница 136: ...UND PROOF BOARD 1 CWH151274 21 SOUND PROOF MATERIAL 1 CWG302600 22 SENSOR CO COMP TEMP 1 CWA50C2894 O 24 ELECTRONIC CONTROLLER MAIN 1 ACXA73C05240R O 26 TERMINAL BOARD ASSY 1 CWA28K1110J O 27 CABINET...

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