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Lennox LNINVC052, Service Manual

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Lennox LNINVC052 Service Manual Download Page 99

96

Installation and Maintenance

Service Manual

c

d

a

c

b

cross flow louver

screws

screws

evaporator mounted plate

Procedure

Steps

7.Remove cross flow louver and motor

Unscrew  the  screws  fixing  evaporator 
mounted plate,then remove the evaporator 
mounted plate.

Unscrew  the  6  screws  fixing  evaporator 
adjust  the  pipe  slightly  to  remove  the 
evaporator.

Remove the connection pipe of indoor and 
outdoor unit and wire.

Unscrew the screws of cross flow louver 
and motor.

Separate the cross flow louver,motor and 
bearing block.

Summary of Contents for LNINVC052

Page 1: ...Service Manual Model LNINVE052 LNINVC052 LNINVE063 LNINVC063 LNINVE070 LNINVC070 LNINVE080 LNINVC080 Refrigerant R410A...

Page 2: ...trical Part 14 5 1 Wiring Diagram 14 5 2 PCB Printed Diagram 17 6 Function and Control 20 6 1 Remote Controller Introduction 20 6 2 Brief Description of Modes and Functions 24 Part Installation and Ma...

Page 3: ...d View and Parts List 77 10 1 Indoor Unit 77 10 2 Outdoor Unit 83 11 Removal Procedure 87 11 1 Removal Procedure of Indoor Unit 87 11 2 Removal Procedure of Outdoor Unit 97 Appendix 109 Appendix 1 Ref...

Page 4: ...hnical Information Service Manual 1 Summary Part Technical Information Indoor Unit Outdoor Unit LNINVE052 LNINVE063 LNINVE070 LNINVE080 LNINVC052 LNINVC063 LNINVC070 LNINVC080 YB1FA XFAN Remote Contro...

Page 5: ...23 34 32 50 Indoor Unit Model of indoor unit LNINVE052 LNINVE063 Fan Type Cross flow Cross flow Diameter Length DXL mm 98X710 98X765 Fan Motor Cooling Speed SH H M L SL r min 1260 1050 920 730 1260 1...

Page 6: ...853X22X660 847X44X660 Fan Motor Speed rpm 700 780 Output of Fan Motor W 60 60 Fan Motor RLA A 0 28 0 28 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 3200 3200 Fan Type Axial flow Axial...

Page 7: ...2 Indoor Unit Model of indoor unit LNINVE070 Fan Type Cross flow Diameter Length DXL mm 106X890 Fan Motor Cooling Speed SH H M L SL r min 1320 1150 1020 920 Fan Motor Heating Speed SH H M L SL r min 1...

Page 8: ...Flow Volume of Outdoor Unit m3 h 4000 Fan Type Axial flow Fan Diameter mm 552 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operati...

Page 9: ...ation Area m2 35 52 Indoor Unit Model of indoor unit LNINVE080 Fan Type Cross flow Diameter Length DXL mm 106X890 Fan Motor Cooling Speed SH H M L SL r min 1410 1350 1260 1200 Fan Motor Heating Speed...

Page 10: ...Flow Volume of Outdoor Unit m3 h 4000 Fan Type Axial flow Fan Diameter mm 552 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IP24 Permissible Excessive Operatin...

Page 11: ...C WB19 C Outdoor DB35 C Indoor air flow Super High Pipe length 7 5m Conditions Indoor DB20 C Outdoor DB7 C WB6 C Indoor air flow Super High Pipe length 7 5m Compressor speed rps Compressor speed rps...

Page 12: ...1 1 in 7 9 out 10 12 in 75 85 out 37 43 Super High High 73 27 19 35 24 LNINVE070 LNINVC070 0 9 1 1 in 8 9 out 10 12 in 75 85 out 37 43 Super High High 52 27 19 35 24 LNINVE080 LNINVC080 0 9 1 1 in 7...

Page 13: ...5 Indoor fan motor rotating speed Compressor frequency Hz Low Middle High Super High LNINV5210 LNINV8010 LNINV6310 LNINV7010 60 50 40 30 20 0 20 40 60 100 80 Noise dB A Noise dB A LNINV5210 LNINV8010...

Page 14: ...2 205 117 685 67 90 70X2 75 45 130 100 50 178 747 253 70X2 Unit mm 3 Outline Dimension Diagram 3 1 Indoor Unit W D H Models W H D LNINVE052 940 298 200 LNINVE063 1007 315 219 LNINVE070 1178 326 253 LN...

Page 15: ...12 Installation and Maintenance Service Manual 890 955 340 700 368 560 396 427 980 920 610 370 0 9 7 5 9 3 3 2 Outdoor Unit Unit mm Unit mm LNINVC052 LNINVC063 LNINVC070 LNINVC080...

Page 16: ...tion Liquid pipe 1 4 6mm Gas pipe 1 2 12mm LNINV5210 Gas pipe 5 8 16mm LNINV6310 LNINV7010 LNINV8010 Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator He...

Page 17: ...Color Symbol Symbol Color Symbol Name WH White GN Green CAP Jumper cap YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black VT Violet OG Orange Note Jumper cap i...

Page 18: ...Manual Models LNINVE070 LNINVE080 Outdoor Unit Model LNINVC052 RT2 15 2 3 RT1 POWER WARNING the voltage of terminal P DC and prevent the risk of electrical shock N DC at AP1 is higher than 30V to Plea...

Page 19: ...on t touch any terminal when N DC at AP1 is higher than 30V to prevent the risk of electrical shock the voltage of terminal P DC and WARNING POWER C3 CBB61 C1 C2 CBB65 OG ORANGE voltage of terminal P...

Page 20: ...tor terminal 7 Piezoresistor 8 Jumper cap 9 Up down swing terminal 10 PG feedback terminal 11 Terminal of ambient temperature sensor 12 Terminal of tube temperature sensor 13 Connect display board DIS...

Page 21: ...interface of live wire 3 Fuse 4 Input interface of neutral wire 5 Communication interface of outdoor and indoor fan 6 Low fan 7 Medium fan 8 High fan 9 Interface of neutral wire for fan 10 Interface...

Page 22: ...mpressor interface 2 Compressor overload protector 3 Temperatrue sensor 4 Electric expansion valve 5 Fan HALL interface 6 Outdoor fan 7 4 way valve 8 Communication interface with indoor unit 9 Live wi...

Page 23: ...OFF Button X FAN Button TEMP Button LIGHT Button SLEEP Button CLOCK Button TURBO Button Button 2 6 8 3 9 10 7 5 12 11 4 1 Operation mode Temp display type 1 ON OFF Button Press this button can turn on...

Page 24: ...troller 16 30 Fan speed auto low speed medium speed high speed 3 or Button Press or button once increase or decrease set temperature 1 Holding or button 2s later set temperature on remote controller w...

Page 25: ...r duct During x fan operation press X FAN button to turn off x fan function Indoor fan will stop operation immediately 9 TEMP Button By pressing this button you can see indoor set temperature indoor a...

Page 26: ...display please replace batteries Signal sender Battery Cover of battery box Remove Reinstall 1 After putting through the power press ON OFF button on remote controller to turn on the air conditioner...

Page 27: ...cooling and heating model when Tamb 22 the unit runs in heating mode in this case the factory default set temperature is 20 For cooling only model when Tamb 22 the unit runs in fan mode in this case...

Page 28: ...Fan mode Fan conditions and process In this mode IDU fan motor runs at set speed while the compressor and ODU fan motor stop operation The 4 way valve is de energized cooling only unit is without 4 w...

Page 29: ...g the temperature point not including malfunction protection turning off the unit by remote controller or switching modes in which stopping operation of compressor is needed 5 In each mode once stoppe...

Page 30: ...gree 4 Turbo function This function can be set in cooling or heating mode When turbo function is set the system will operate in the highest fan speed 5 X FAN function This function can be set in cooli...

Page 31: ...ly Note If complete unit has malfunction or stops operation due to protection compulsory defrosting function can be started up after malfunction or protection is resumed 2 Exit compulsory defrosting m...

Page 32: ...ode In cooling and dry mode if Toutdoor 65 the unit will stop for overload protection if Toutdoor pipe 55 and the compressor has stopped for 3min the unit will resume previous running status In coolin...

Page 33: ...nsor malfunction detection indoor unit displays F1 F2 F3 F4 F5 in cooling heating dry or fan mode Malfunction of indoor ambient temperature sensor indoor unit displays F1 which means indoor ambient te...

Page 34: ...ture is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If there s I feel function Tcompensation is 0 Others are same as above 5 Fan mode Under this mode indoor fan operates at...

Page 35: ...ore refrigerant recycling it will be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode 1...

Page 36: ...te at low speed for 2min and then the complete unit will be turned off When x fan function is turned off after turn off the unit the complete unit will be turned off directly 16 8 heating function ava...

Page 37: ...peration 1 If the compressor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 0 5 start up the machine for cooling the cooling operation will start...

Page 38: ...ed on 2 Defrosting a Defrosting starts the compressor is shut down and restarts it after 55 second delay b Defrosting ends the compressor stops then starts it after 55 second delay 2 Outer Fans Contro...

Page 39: ...t should not be started and should be stopped to treat according to the overload protection Clear the trouble at the mode of power turn off heating and the protection times are not counted 2 Frequency...

Page 40: ...ure at normal speed during discharging you should limit the frequency raising of compressor 3 Reducing frequency at normal speed and stopping machine If Tfrequency reducing temperature at normal speed...

Page 41: ...compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if Tfrequency reducing temperature at normal speed of module T Module you should stop the mac...

Page 42: ...egarded as four way valve reversion abnormity And then it can run if stop the reversion abnormity protection for four way valve 3 min and if it still can t run when the reversion abnormity protection...

Page 43: ...stop operation 3 When 0 Toutdoor amb 2 the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 5 compressor stops operation while the e...

Page 44: ...unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire a...

Page 45: ...ng tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 T...

Page 46: ...ce to the wall Space to the obstruction Space to the obstruction Space to the obstruction At least 50cm At least 200cm At least 30cm At least 30cm At least 50cm Space to the ceiling Space to the wall...

Page 47: ...or unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installat...

Page 48: ...grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be...

Page 49: ...outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As...

Page 50: ...binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately...

Page 51: ...cording to the actual installation situation 1 Select installation location according to the house structure 2 Fix the support of outdoor unit on the selected location with expansion screws 5 Connect...

Page 52: ...Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then conne...

Page 53: ...unit and then remove the cover of electric box 2 As shown in the fig below connect the plug of discharge resistance about 100ohm 20W if there is no discharge resistance you can use the plug of solderi...

Page 54: ...t 1 Reduce refrigerant volume Poor heat exchanging including heat exchanger is dirty and radiating environment is not good 2 Clean the heat exchanger improve radiating environment of unit Ambient temp...

Page 55: ...wer voltage is unstable big fluctuation 1 Check whether power supply network is abnormal Power voltage is too low overload 2 Reduce load Malfunction of hardware 3 Replace outdoor unit s main board AP1...

Page 56: ...re sensor is damaged Please check it by referring to the resistance table for temperature sensor Main board is damaged 8 Indoor evaporator temperature sensor is open short circuited F2 Flash twice eve...

Page 57: ...otection of jumper cap C5 Flash 15 times every 3s Operation of remote controller or control panel is available but the unit won t act Jumper cap hasn t been inserted on main board Refer to maintenance...

Page 58: ...while indoor fan operates During heating operation all loads stop 14 Malfunction of outdoor discharge temperature sensor F5 Flash 5 times every 3s During cooling and drying operation compressor and o...

Page 59: ...ition L and N on wiring board XT If the voltage is higher than 265VAC wait until the power voltage is decreased within normal range and then turn on the unit 1 Check whether power supply network is ab...

Page 60: ...and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Wiring terminal OVC COMP is loose Under normal circumstances the resistance bet...

Page 61: ...of IPM protection desynchronizing malfunction overcurrent protection of phase current of compressor Refer to maintenance flowchart 26 Failure startup Lc Flash 11 times every 3s During cooling and dryi...

Page 62: ...diagnosis of charging malfunction for capacitor Refer to maintenance flowchart 30 Circuit malfunction of module temperature sensor P7 Flash 18 times every 3s During cooling and drying operation compre...

Page 63: ...main board 2 Replace outdoor unit s main board AP1 34 Limit decrease frequency due to module temperature protection EU All loads operates normally while operation frequency of compressor decreases Rad...

Page 64: ...in board AP1 37 Limit decrease frequency due to freeze protection FH All loads operates normally while operation frequency of compressor decreases Poor air return of indoor unit or speed of fan is too...

Page 65: ...ce the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunction...

Page 66: ...lfunction eliminated no no yes yes Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened no yes yes Is t...

Page 67: ...r cap with the same model no Is malfunction eliminated no yes Insert the jumper cap tightly Is malfunction eliminated no no yes Is malfunction eliminated no yes Replace the mainboard with the same mod...

Page 68: ...and outlet blocked Normal fluctuation is within 10 of the rated voltage on the nameplate Malfunction is eliminated no yes no yes no yes no no no yes no yes no yes yes yes yes yes yes yes Malfunction i...

Page 69: ...e unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly The zero cross detection circuit of the mainboard is defined...

Page 70: ...Voltage higher than 200V Malfunction of the outdoor mainboard AP1 Replace outdoor mainboard Measure the voltage input with AC voltmeter see fig 30 Voltage within 180VAC 260VAC Shut down the power and...

Page 71: ...If the work load of unit is heavy If radiating of unit is good Malfunction diagnosis process N N Y N Y Y Y N N N N N Y Y Y Y Y H5 H7 or P5 is displayed after turning on the unit Measure if the voltage...

Page 72: ...E8 is displayed If the outdoor ambient temperature is higher than 53 Normal protection please use it after improving the outdoor ambient temperature Unit restarts normally Unit restarts normally If th...

Page 73: ...cient and the high and low pressure of system is not balanced please start the unit after 3min If the compressor wire COMP UVW is well connected and connection sequence is correct Check the connection...

Page 74: ...n valve damaged If the refrigerant is leaked The compressor overload protection terminal is not connected well with the mainboard If the overload protector is damaged Heat exchange of unit is not good...

Page 75: ...rigerant according to the service manual Compressor overload protection terminal is not connected well with the mainboard reconnect them correctly Heat exchange of unit is not good heat exchanger is d...

Page 76: ...well with the socket Connect the plug correctly Check the connection wire between reactor mainboard and situation of connection If there is short circuit or the connection wire is loose Reconnect the...

Page 77: ...he unit operates normally before malfunction Check built in wiring of indoor and outdoor unit If the wiring is damaged Replace the wire Check the malfunction type with communication malfunction detect...

Page 78: ...details Malfunction of compressor Compressor can t operate Refer to point 5 of maintenance method for details 9 4 Troubleshooting for Normal Malfunction 1 Air Conditioner Can t be Started up 2 Poor C...

Page 79: ...n pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit wrap it again and bundle it tightly 5 Compressor Can t Operate Possible causes Discriminatin...

Page 80: ...l 10 Exploded View and Parts List 10 1 Indoor Unit Model LNINVE052 39 16 14 13 15 10 9 7 5 2 29 31 32 26 25 24 18 27 8 30 28 3 1 11 17 19 20 21 23 22 35 37 33 34 36 4 6 12 38 ON OFF MODE FAN CLOCK TIM...

Page 81: ...1 16 Evaporator Assy 01002575 1 17 Wall Mounting Frame 01252218 1 18 Motor Press Plate 26112494 1 19 Fan Motor 15012146 1 20 Pipe Clamp 26112164 1 21 Drainage Hose 05230014 1 22 Step Motor 15012086 1...

Page 82: ...Maintenance Service Manual Model LNINVE063 14 12 11 13 8 7 4 2 27 29 30 24 23 22 16 25 6 28 26 3 1 9 15 17 18 19 21 20 33 36 31 32 34 10 37 35 5 38 ON OFF MODE FAN CLOCK TIMER ON X FAN TEMP TIMER OFF...

Page 83: ...14 Evaporator Assy 0100257204 1 15 Wall Mounting Frame 01252032 1 16 Motor Press Plate 26112316 1 17 Fan Motor 15012098 1 18 Pipe Clamp 26112188 1 19 Drainage Hose 0523001405 1 20 Step Motor 152130010...

Page 84: ...e Service Manual Models LNINVE070 LNINVE080 1 2 4 5 6 7 8 9 10 13 14 15 17 36 37 28 27 25 23 20 18 19 3 11 35 34 32 30 24 26 31 33 16 22 29 21 12 39 40 41 42 38 ON OFF MODE FAN CLOCK TIMER ON X FAN TE...

Page 85: ...aporator Assy 01002924 1002924 1 18 Fixed Clip Evaporator 02112009 02112009 1 19 Wall Mounting Frame 01252398 01252398 1 20 Fan Motor 1501212004 15012120 1 21 Right Support of Evaporator 2421204201 24...

Page 86: ...83 Installation and Maintenance Service Manual 10 2 Outdoor Unit Models LNINVC052 LNINVC063 2 3 8 10 11 12 13 14 15 23 24 25 26 27 28 29 31 32 33 20 19 4 5 9 7 6 16 17 18 22 30 21 1...

Page 87: ...01713087P 1 13 Cut off Valve 071302392 07133157 1 14 Cut off Valve Sub Assy 07133464 07133476 1 15 Handle 26235254 26235254 1 16 Electric Box Assy 0260356807 0260356808 1 17 Insulated Board Cover of E...

Page 88: ...85 Installation and Maintenance Service Manual Models LNINVC070 LNINVC080...

Page 89: ...5044P 1 14 Valve Support Sub Assy 01715020P 01715020P 1 15 Cut off Valve Sub Assy 07135054 07133232 1 16 Cut off Valve 07130239 07130239 1 17 Cut off Valve 07133157 07133157 1 18 Big Handle 26235001 2...

Page 90: ...al louver a b Panel Clasp left filter and right filer Axile bush Open the panel Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them Push out the axi...

Page 91: ...c box cover Electric box cover Screws Panel Front panel Panel rotation Groove 3 Remove panel 4 Remove electric box cover Front case sub assy Front case sub assy Left clasp Middle clasp Right clasp Scr...

Page 92: ...nd evaporator Pull out the wiring terminal of motor and wiring terminal of step motor from the mainboard Note 1 Location of tube temperature sensor and tieline on the evaporator is different for diffe...

Page 93: ...ectric box assy and then remove the electric box assy Screws Screws Display Screws Connection pipe clamp Evaporator assy Screws Connection pipe 8 Remove evaporator assy At the back of the unit remove...

Page 94: ...motor clamp Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Motor Screws Cross flow c Remove the bearing holder sub...

Page 95: ...panel 1 Remove front panel and filter Push the left and right part of panel open it and push the middle of the filter to make the clasps loosened lift it upward to remove the filter Unscrew the 2 scr...

Page 96: ...airdeflector and electric box cover 3 Remove panel case Push the middle claps of air deflector bend it slightly to remove the air deflector Unscrew a screw fixing electric box cover by screwdriver to...

Page 97: ...s a b c clasps clasps temperature sensor electric box cover earth wire screws panel case 4 Remove electric box assy Unscrew the screws fixing earth wire Break out the clasps of electric box cover to r...

Page 98: ...water tray 5 Remove watertray 6 Remove eveporator Unscrew the 2 screws fixing electric box assy to remove the electric box assy Break out the clasps fixing water tray to remove the water tray Remove t...

Page 99: ...nd motor Unscrew the screws fixing evaporator mounted plate then remove the evaporator mounted plate Unscrew the 6 screws fixing evaporator adjust the pipe slightly to remove the evaporator Remove the...

Page 100: ...emove the screw connecting the big handle and right side plate and then remove the big handle Remove the screw connecting the valve cover and right side plate and then remove the valve cover Remove th...

Page 101: ...side plate and then remove the outer case Remove the 3 screws connecting the grille with right side plate and left side plate and then remove the rear guard grille Remove the screws connecting the ri...

Page 102: ...grounding wire screw on the electric box assy and then remove the grounding wire See fig 1 a c b Disconnect the wiring terminals of reactor compressor high and low pressure switch compressor overload...

Page 103: ...upwards to remove it d e f g Push the electric box cover in the direction of arrow to make the clasp at the right side separate from the groove then pull it in the opposite direction to make the clas...

Page 104: ...e the 3 screws connecting the isolation plate and chassis and then remove the isolation plate Remove the 4 screws connecting the reactor and isolation plate and then remove the reactor reactor isolati...

Page 105: ...he welding joint wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature bolts liquid valve gas valve 9 Remove 4 way valve assy Remove the 2 screws conne...

Page 106: ...12 Remove compressor Remove the 3 foot nuts fixing compressor and then lift the compressor upwards to remove the compressor and damping cushion Note Keep the ports of discharge pipe and suction pipe...

Page 107: ...panel 2 Remove grille and panel Remove the 2 screws connecting the grille and the panel and then remove the grille top pane grille Twist off the screws used for fixing the handle pull the handle up wa...

Page 108: ...ve the front side panel the screws connecting the panel with the chassis and the motor support and then remove the panel 3 Remove and right side plate Right side plate Remove the screws connecting the...

Page 109: ...wiring terminals and then pull the electric box upwards to remove it Remove the 4 tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the 2...

Page 110: ...ric box Fireproof electric box 7 Remove chassis sub assy Isolation sheet and Isolation sheet Remove the 3 screws fixing the isolationsheet and then remove the Isolation sheet 8 Remove 4 way valve assy...

Page 111: ...then remove the compressor Remove the screws connecting the support condenser and condenser assy and then remove the support condenser 9 Remove compressor compressor 10 Remove condenser sub assy 1 sup...

Page 112: ...32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5 64 65...

Page 113: ...llowing steps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and...

Page 114: ...58 6 66 88 33 10 63 72 2 439 111 0 737 5 63 46 34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77...

Page 115: ...11 0 983 5 84 61 34 13 59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 7...

Page 116: ...3 53 74 62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2...

Page 117: ...JF00301922...

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