INVENTOR CEVI-09 Service Manual Download

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Troubleshooting

(6) Diagnosis of overload and discharge malfunction

Main detection points:

Is electric expansion valve well connected? Is it damaged?

Is refrigerant leaked?

Is overload wire connection normal?

Malfunction diagnosis process:

(7) Process of communication circuit detection

Summary of Contents for CEVI-09

Page 1: ......

Page 2: ... DATA 11 5 2 Electrical wiring 11 5 3 Printed Circuit Board 13 6 1 Remote Control Operations 18 6 2 Changing batteries and notices 21 6 3 Unit indlcation section 21 6 4 Unit ON OFF button 21 6 5 DESCRIPTION OF EACH CONTROL OPERATION 22 6 7 Frequency Control 24 6 8 3 minutes Standby 24 6 9 Compressor Protection Function 24 6 10 Discharge Pipe Control 25 6 11 Input Current Control 25 6 12 Freeze up ...

Page 3: ... 9 4 How to Check simply the main part 42 9 5 2 way 3 way Valve Appearance 46 10 1 Removal Procedure of Indoor Unit 53 10 2 Removal Procedure of Outdoor Unit 67 7 1 Tools Required for Installation 28 7 5 Test Operation 33 7 2 Installation Position Selection 26 7 3 INSTALLATION OF INDOOR UNIT 26 7 4 INSTALLATION OF OUTDOOR UNIT 32 6 13 Heating Peak cut Control 26 6 14 Defrost Control 26 6 15 Fan Co...

Page 4: ... of snow leaves or rubbish The unit should be installed according to the instructions in order to minimize the risk of damage from earthquakes typhoons or strong winds When the refrigerant touches the fire elc it was decomposed and a poisonous gas is generated Use only the specified refrigerant to charge the regrigerant circuit Do not mix it with any other refrigerant and do not allow air to remai...

Page 5: ...gy Class EER C O P Speed Fan Motor Indoor unit Model Function Rated Voltage Rated Input Frequency Inverter different Compressor speed Total Capacity Inverter different Compressor speed Power Input Inverter different Compressor speed 78 3230 11000 200 1350 53 15 Air Flow Volume Rated Current Fuse A Dimension W H D mm Fan Evaporator Swing Motor Coil length l height H coil width L Output Type Piece D...

Page 6: ... 28 32 R410A R410A Weight kg 0 74 0 74 Length m m 5 5 Gas additional charge g m 20 20 Liquid Pipe Diameter mm 6 1 4 6 1 4 Gas Pipe Diameter mm 9 52 3 8 9 52 3 8 m 5 5 m 15 15 Starting Method Type Defrosting Method Overload Protector Air Flow Volume of Outdoor Unit Outdoor Unit Compress or Fan Fan Motor Working Temp Range Heat Exchanger Coil Coil Model Coil length l x height H x coil width L Thrott...

Page 7: ...ING Energy Class EER C O P Speed Fan Motor Indoor unit Model Function Rated Voltage Rated Input Frequency Inverter different Compressor speed Total Capacity Inverter different Compressor speed Power Input Inverter different Compressor speed 92 3960 13500 220 1450 72 15 Air Flow Volume Rated Current Fuse A Dimension W H D mm Fan Evaporator Swing Motor Coil length l height H coil width L Output Type...

Page 8: ... 30 34 R410A R410A Weight kg 1 0 1 0 Length m m 5 5 Gas additional charge g m 20 20 Liquid Pipe Diameter mm 6 1 4 6 1 4 Gas Pipe Diameter mm 9 52 3 8 9 52 3 8 m 5 5 m 15 15 Starting Method Type Defrosting Method Overload Protector Air Flow Volume of Outdoor Unit Outdoor Unit Compress or Fan Fan Motor Working Temp Range Heat Exchanger Coil Coil Model Coil length l x height H x coil width L Throttli...

Page 9: ...uper High Pipe length 5m Voltage 230V Compressor Speed rps Cooling Heating Current A Current A 2 3CapacityVariationRatioAccordingtoTemperature 50 60 70 80 90 100 110 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Capacity ratio Condition Indoor DB27 WB19 Indoor air flow Super High Pipe length 5m Outdoor temp C 0 20 40 60 80 100 120 15 10 5 0 5 10 Capacity ratio Condition Indoor DB20 Indoor air flow ...

Page 10: ... High 930rpm Temp Condition ć Model Standard Pressure Mpa Indoor Fan Mode Indoor Outdoor 09K 2 3 to 2 5 72 12K 2 4 to 2 6 78 Outdoor Fan Mode Compressor Revolution rps 20 7 6 Super High 930rpm Temp Condition ᲇ Model Standard Pressure Mpa Indoor Fan Mode Specifications 2 5 Noise criteria curve tables for both models 40 42 44 46 48 50 52 54 20 40 30 50 60 70 80 Compressor frequency Hz Noise dB A Hea...

Page 11: ...9 3 Construction Views 3 1 Indoor Unit 3 2 Outdoor Unit 708 658 274 551 317 470 299 Constrction views 770 201 283 548 5 258 5 126 5 770 283 ...

Page 12: ...arge Suction Muffler 4 Way valve Capillary Strainer Strainer Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52 mm INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR GAS SIDE 3 WAY VALVE LIQUID SIDE 2 WAY VALVE COOLING Accumlator Discharge Suction Muffler Capillary Strainer Strainer 1 Cooling Only Models 2 Cooling Heating Models Refrigerant System Diagram ...

Page 13: ...70 S80 S90 CONNECTOR RD RED SAT OVERLOAD BN BROWN COMP COMPRESSOR BL BLUE PROTECTIVE EARTH BK BLACK YEGN YELLOW GREEN to the models with cold plasma function NOTE The parts with broken line is applicable GENERATOR COOL PLASMA HEALTH L HEALTH N AP2 MOTOR SWING DISPLAY OUTDOOR UNIT TUBE TEM SENSOR ROOM TEM SENSOR FAN MOTOR PG M1 PGF SWING UD DISP2 L OUT AC L AP1 BU BN BK COM OUT YEGN PE BN BK RT2 0 ...

Page 14: ...voltage of prevent the risk of electrical shock terminal DC and DC at PCB2 is higher than 30V to Models EVI 09 EVO 09 EVO 12 CEVO 12 W V U MOTOR YEGN X1 4YV PE PE PE S40 PE SAT HA2 HA1 COMP S70 HR1 HR2 L1 HL3 HN3 HN2 HL2 S10 S11 S80 S90 0 RT5 RT4 0 RT3 0 W V U PCB2 E2 E1 AC1 S AC2 PCB1 PE 2 3 XT N 1 WARNING Please don t touch any terminal when the voltage of prevent the risk of electrical shock te...

Page 15: ...13 5 3 Printed Circuit Board TOP VIEW BOTTOM VIEW Schematic Diagram ...

Page 16: ...14 HUR OLQH ZLUH XQGHU YROWDJH FRPPXQLFDWLRQ ZLUH GLVSDO ERDUG LQIUDUHG UHFHLYHU Schematic Diagram ground wire ...

Page 17: ...15 TOP VIEW BOTTOM VIEW Schematic Diagram ...

Page 18: ...16 FRONT VIEW BOTTOM VIEW Schematic Diagram ...

Page 19: ...17 TOP VIEW BOTTOM VIEW Schematic Diagram ...

Page 20: ...d by 1 When press button the setting temp will be decreased by 1 The temp will be changed quickly the button continuously and setting temp range ć is by pressing Swing up and down button ć below Press this button the running mode will change as Mode button MODE FAN AUTO OPER HEALTH AIR FILTER TURBO ON OFF BLOW HOUR HUMIDITY ON OFF MODE FAN BLOW TURBO TEMP TIMER SLEEP LIGHT could turn on or turn of...

Page 21: ...MER button Timer button HEALTH SAVE HEALTH SAVE On the status of the unit on press this button to set timer off On the status of the unit off press this button to set timer off Press this key once words Hour on off will appear and flicker In which case press button to adjust time press button the setting time range is from 0 5 to 24 hr continuously to change timing value quickly then remote contro...

Page 22: ... disappears by pressing this key under cool or dehumidify mode Once energized the unit will be defaulted to be Blow off This function can not be set under auto fan or heat mode and the characters of Blow won t appear Press this button to select LIGHT on or off in the displayer When the LIGHT on is set the icon will be displayed and the indicator light in the displayer will be on When the LIGHT off...

Page 23: ... broken please use the manual switch button At this time the unit will run at the Auto mode but the temperature and fan speed cannot be changed The operation was shown as below To open the panel the manual switch is on the displayer box Turn on the unit At unit turned off press the button the unit will run at Auto mode immediately The microcomputer will accord to the indoor temperature to select C...

Page 24: ...ating mode when the compressor stops as a result of malfunction the indoor fan blows residual heat 3 Defrosting control when the defrosting signal is revived the defrosting mark H1 will be shown The e heater and indoor fan stop Anti cold air function The rotational speed of indoor electromotor is decided based on the indoor pipe temperature The indoor fan can run at low speed or stop running This ...

Page 25: ...ystem is off the system will keep off even though the setting time is reached If the timer off function is set when the system is on the system will stop running when the setting time is reached Timer modification when the system is under timer state start or stop of the unit can be set via remote ON OFF button and the timer can be reset The system runs according to the latest setting state When b...

Page 26: ...or when outdoor unit low noise or quiet commands come from indoor unit the upper limit frequency must be lowered than the usual setting 6 8 3 minutes Standby Prohibit to turn ON the compressor for 3 minutes after turning it off except when defrosting 6 9 Compressor Protection Function When turning the compressor from OFF to ON the upper limit of frequency must be set as follows The function must n...

Page 27: ...rent rushes on the drooping zone without change In the keep zone the frequency limit will remain In the return reset zone the frequency limit will be cancelled imitation of current drooping and stop value according to the outdoor air temperature 1 In case the operation mode is cooling The current droops when outdoor air temperature becomes higher than a certain level model by model 2 In case the o...

Page 28: ...operation start Control in Each one The heat exchange intermediate temperature of indoor unit controls the following 6 14 Defrost Control Outline Heat Pump Only Defrosting is carried out by the cooling cycle reverse cycle The defrosting time or outdoor heat exchanger temperature must be more than its fixed value when finishing Detail Conditions for Starting Defrost The starting conditions must be ...

Page 29: ...n normal operation Detail Fan OFF Control hen Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped Tap Control in indoor outdoor unit silent operation 1 When Cooling Operation When the outdoor air temperature is lower than 99 F the fan tap must be set to L 2 When Heating Operation When the outdoor air temperature is higher than 39 F the fan tap must be turned to L only ...

Page 30: ...cation where the children can not reach 4 Can select the place where is strong enough to withstand the full weight and vibration of the unit And will not increase the noise 5 Be sure to leave enough space to allow access for routine maintenance The height of the installed location should be 250cm or more from the floor 6 Select a place about 1m or more away from TVset or any other electric applian...

Page 31: ...t leakage is due to defect in theflaring work Carry out correct flaring work using the follow ing procedure Cut the pipes and the cable 1 Use the piping kit accessory or pipes purchased locally 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than the measured distance 4 Cut the cable 1 5m longer than the pipe length Recommended mounting plate retentio...

Page 32: ... ing sure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Attach the Insulation Drain hose to the drain hose CAUTION Indoor unit tubing Flare nut Pipes Wrench Indoor unit tubing Open end wrench fixed Connection pipe Flare nut mm inch kg m Ø6 35 1 4 1 8 Ø9 52 3 8 4 2 Ø12 7 1 2 5 5 Ø15 88 5 8 6 6 Ø19 05 3 4 6 6...

Page 33: ... or an equivalent tool Attach the drain hose to the underside of the refrigerant pipes with an adhesive vinyl tape 2 Wrap the refrigerant pipes and drain hose together with an insulation tape eft side left back or left bottom piping Interchange the drain cap and the drain hose 1 2 Right piping Bind with vinyl tape Indoor unit drain hose bottom Pipe top Rear piping Bottom piping Drain cap Indoor un...

Page 34: ...the drain pipe for proper drainage Improper drainage can result in water dripping inside the room 7 4 INSTA ATION OF OUTDOOR UNIT Holes are provided on the base plate of the outdoor unit to ensure that the defrost water produced during heating opera tions is drained off efficiently If a centralized drain is required when installing the unit on a balcony or wall If the drain port is covered by a mo...

Page 35: ...6cmHg Vacuum pump 1 Strip the insulation from the wire 20mm 2 Connect the connection wires between the indoor and outdoor units so that the terminal numbers match Tighten the terminal screws securely The screws are packed with the terminal board 7 5 Test Operation 1 Check that all tubing and wiring have been properly connected 2 Check that the gas and liquid side service valves are fully open Chec...

Page 36: ...34 8 EXPLODED VIEWS AND PARTS LIST 8 1 Exploded View Indoor Unit Exploded Views and Parts list ...

Page 37: ...35 Outdoor Unit 1 Cooling Only Models Exploded Views and Parts list ...

Page 38: ...36 2 Cooling Heating Models Exploded Views and Parts list ...

Page 39: ...225302 1 18 Motor Press Plate 26112191 26112191 1 19 Electric Box Cover Sub Assy 20122109 20122109 1 20 Terminal Board 42011233 42011233 1 21 Crank 73012005 73012005 1 22 Step Motor 1521210701 1521210701 1 23 Pipe plug outlet 76712020 76712020 1 24 Electric Box 20112086 20112086 1 25 Motor Sub Assy 15002002 15002002 1 26 Baffle Plate 26112218 26112218 1 27 Fan Motor 15012093 15012093 1 28 Front Ca...

Page 40: ...tor Press Plate 26112191 26112191 1 19 Electric Box Cover Sub Assy 20122109 20122109 1 20 Terminal Board 42011233 42011233 1 21 Crank 73012005 73012005 1 22 Step Motor 1521210701 1521210701 1 23 Pipe plug outlet 76712020 76712020 1 24 Electric Box 20112086 20112086 1 25 Motor Sub Assy 15002002 15002002 1 26 Baffle Plate 26112218 26112218 1 27 Fan Motor 15012093 15012093 1 28 Front Case Assy 200123...

Page 41: ...s 00103761 00103761 1 23 Overload Protector 00181067 00181067 0 24 Terminal cap 22243001 22243001 1 Part Code Description NO Qty EVO 09 1 Front Grill 22413017 22413017 1 2 Front Plate 01433044P 01433044P 1 3 Axial Flow Fan Sub Assy 1033300901 1033300901 1 4 Fan Motor 15013073 15013073 1 5 Motor Support 0170311101 01703111 1 6 Left Side Plate 20053001 20053001 1 7 Top Cover Sub Assy 0125304001 0125...

Page 42: ...arging section before discharging an electrical shock may be caused 9 2 Confirmation 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 9 3 Judgement by Flashing LED of Indoor Outdoor Unit Troubleshooting The outdoor...

Page 43: ...s and blink 1 times Is it loose Measure the resistance value with universal meter 21 Overheat of carbon fin P8 heating LED pause 3s and blink 19 times Is outdoor ambient temperature is too high Is radiator mounted correctly 8 Zero passage abnormal UF Heating and cooling LED blinks 7 times at the same time Replace indoor main board 22 DC overcurrent UU Heating and cooling LED blink 11 times at the ...

Page 44: ...ait for 3min Measure voltage between N 1and 3 of indoor wiring block Voltage 200V Measure voltage between L and N of outdoor wiring block Normal wiring Voltage 200V Indoor main board error Adjust wiring Outdoor electric box error indoor and outdoor wiring error Replace main board of indoor unit Replace outdoor electric box Replace indoor and outdoor wiring Remove malfunction 2 Indoor fan does not ...

Page 45: ...RRU WHPSHUDWXUH VHQVRU Y 5HSODFH WHPSHUDWXUH VHQVRU Y GMXVW FRQQHFWLQJ VWDWH N 5HSODFH PDLQ ERDUG RI LQGRRU XQLW 5HSODFH SDUWV RI RXWGRRU HOHFWULF ER QGRRU XQLW GLVSOD N Y ILQLVK 5HPRYH HUURU N 5HPRYH HUURU N Y 5HOLDEOH FRQQHFWHG Y 5HSODFH WHPSHUDWXUH VHQVRU 5HPRYH HUURU N GMXVW FRQQHFWLQJ VWDWH 5HPRYH HUURU N N Y Y Y Troubleshooting Energize the unit and start it 3 Temperature sensor malfunction ...

Page 46: ... RI RXWGRRU HOHFWULF ER 5HPRYH HUURU N N Y Y N Y N N Y Y N Troubleshooting 4 Malfunction diagnosis of startup failure Main detection points z Is wiring of compressor correct z Is the stop time of compressor enough z Is compressor damaged Malfunction diagnosis process Energize the unit and start it Is the stop time of compressor more than 3min Start it 3 min later Startup failure Is compressor wire...

Page 47: ...UHOLDEO FRQQHFWHG Y N FRPPXQLFDWLRQ HUURU LV GLVSOD HG V FRQQHFWLQJ ZLUH UHOLDEO FRQQHFWHG GMXVW FRQQHFWLQJ ZLUH 5HSODFH PDLQ ERDUG RI LQGRRU XQLW 5HPRYH PDOIXQFWLRQ 5HSODFH SDUWV RI RXWGRRU HOHFWULF ER Y N N LQLVK Y Troubleshooting 6 Diagnosis of overload and discharge malfunction Main detection points z Is electric expansion valve well connected Is it damaged z Is refrigerant leaked z Is overloa...

Page 48: ...n e p O with charging cylinder n e p O n e p O n e p O with charging cylinder n e p O n e p O n e p O n e p O Works Shipping Air purging Installation Operation Pumping down Transfering Evacuation Servicing Gas charging Servicing Pressure check Servicing Gas releasing Servicing 1 2 3 4 5 6 Valve cap Open position Closed position Pin Service port Service port cap To outdoor unit Flare nut To piping ...

Page 49: ...e low pressure valve handle of gauge manifold Check the flare connections for gas leakage 6 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 7 Set the 3 way valve to the back seat 8 Mount the valve stem nuts to the 2 way and 3 way valves 9 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s stem nuts and from the service por...

Page 50: ... way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the 3 way valve to the closed position Do th...

Page 51: ...g it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and discharge the refriger ant until the gauge indicates 3 to 5 kg cm2 g 6 Disconnect the charge set and the gas cylinder and set the Liquid side a...

Page 52: ... discharge the refrigerant until the gauge indi cates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrig erant until the gauge indicates 0 5 to 1 kg cm2 G if this is the case it will not be neces sary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too suddenly the ...

Page 53: ...vacuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 3 Way valve Outdoor unit Liquid side In...

Page 54: ...proximately 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the...

Page 55: ...button is kept pushing for 5 seconds aforced cooling op eration willbe carried out for approx 15minutes Pull protrusions on left and right sides of panel with fingers and open front grille all the way 1 Lift center section of air filter and disengage hooks 2 Left and right filters are interchangeable To re install insert air filter along the guide Remove air filter by pulling forward 3 Hooks Air f...

Page 56: ... interchangeable To re install insert air filter along the guide Remove horizontal blade by pulling forward 2 And pull out the front panel forward to remove Hook a finger onto the projection part provided on the both sides of the unit s panel and open up the panel to the position higher than it will stop 3 Left Rotary shaft Rotary shaft Right Horizontal blade Remove the front panel from the unit 4...

Page 57: ...s in the left and the right Remove the 3 screws in the right and the left which fix the main body with the front grille 1 Disengage the hooks by pressing knobs with a screwdriver screws screws Disengage the 3 hooks on the upper part In case that the hooks are not pressed from above remove the front panel and then remove the grille while pushing the hook through a clearance between the front grille...

Page 58: ...blades is not marked for difference between right and left 1 Unfasten the hooks at the upper 2 positions 2 Unfasten the 3 hooks at the shaft mounting part by pressing them with a flat screwdriver 3 Remove the vertical blade Repeat the same procedure to remove the vertical blade on the other side Hook Hook Vertical blade Removal Procedure ...

Page 59: ...ll not touch the harness same as the existing models Remove Temperature Sen sor 3 Remove a screw on the terminal board 4 Screw Earth wire Take care not to lose the clip of thermistor Terminal board Connecting wires R11244 Heat exchanger thermistor Clip R11268 Heat exchanger thermistor The electrical box can be removed instead of disengaging the terminal board Removal Procedure ...

Page 60: ...58 Remove a screw on the electrical box 6 Pull up the electrical box forward to remove 7 Remove fan motor Signal Wire 5 fan motor Signal Wire R em oval Procedure Hook Bottom frame ...

Page 61: ...Box 1 Unfasten the hooks at the upper 2 positions of the shield plate 2 Unfasten the hook at the lower position and remove the shield plate 1 3 Lift the shield plate 2 and unfasten the 2 hooks 4 Slide the shield plate 2 and remove it Hook shield plate 1 Hook Hook Shield plate 2 Removal Procedure ...

Page 62: ...60 Remove Display PCB Sub Assy 3 Remove Swing motor 4 Take off Wiring terminal 2 Swing motor Display PCB ASSY Removal Procedure ...

Page 63: ...the control PCB unfasten the 2 hooks at the upper part from the rear side 6 Lift up the upper part of the control PCB and remove it Control PCB The control PCB is integrated with the power supply PCB Removal Procedure ...

Page 64: ...r or other gas causes abnormal high pressure in refrigerating cycle and this results in pipe breakage or personal injuries When disconnecting pipes cover every nozzle with caps so as not to let dust and moisture in Wooden base Drain hose Extension drain hose Connecting wires Pay attention so that the residual water in the drain will not make the floor wet Use two wrenches to disconnected pipes R e...

Page 65: ...penings from entering moisture R em oval Procedure 9 Remove the indoor unit 1 Remove the indoor unit from the installation plate 2 Release the hook of the piping fixture on the back of the unit Gas piping Liquid piping R8019 Auxiliary piping Piping fixture ...

Page 66: ... and the left which fix the Evaporator Assy 3 4 Widen the auxiliary piping to the extent of 10 20 5 Pull the heat exchanger to the front side to undo the hooks completely and then lift it Auxiliary piping Heat exchanger Removal Procedure ...

Page 67: ...65 10 Remove Cross Flow Fan Fan Motor 11 Remove Ring of Bearing Bearing Remove Cross Flow Fan Fan Motor 1 12 Remove Cross Flow Fan and Motor Sub Assy screw Removal Procedure ...

Page 68: ...66 13 Remove Motor Sub Assy 14 Remove Fan Motor Remove Motor Sub Assy 1 Removal Procedure ...

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Page 71: ...rtition plate is fixed to the bottom frame with a hook Removal Procedure Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift to remove the motor support Remove the 2 screws fixing the cover of electric box Lift to remove the cover Remove the screws fixing the electric box subassembly Loosen the wire ...

Page 72: ...et inner out Since the piping ports on the sound blanket are torn easily remove the blanket carefully Loosen the screw of the four way valve coil Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to break the pipes by pressing it excessively by pliers when withdrawing it Caution Caution Caution Caution Caution Be careful about t...

Page 73: ... and remove the compressor Remove the 2 screws fixing the gas valve Solder off the welding spot connecting gas valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when soldering off the welding spot Remove the 2 screws fixing liquid valve Solder off the welding spot connecting liquid valve and remove the liquid valve Remove the 3 footing screws of the comp...

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INVENTOR CEVI-09, Service Manual

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