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Installation and Maintenance

Service Manual

Main Tools for Installation and Maintenance

1. Level meter, measuring 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. Torque wrench, open-end wrench, inner
hexagon spanner

9. Pressure meter

12. Soldering appliance, refrigerant container

Содержание YU1F

Страница 1: ...FTKS18SL216 RKS18SL216 FTXS18SL216 RXS18SL216 FTKS24SL216 RKS24SL216 FTXS24SL216 RXS24SL216 Service Manual R410A serie split MODEL...

Страница 2: ...al Part 13 5 1 Wiring Diagram 13 5 2 PCB Printed Diagram 16 6 Function and Control 18 6 1 Remote Controller Introduction 18 6 2 Brief Description of Modes and Functions 21 Part Installation and Mainte...

Страница 3: ...on 69 10 Exploded View and Parts List 71 10 1 Indoor Unit 71 10 2 Outdoor Unit 75 11 Removal Procedure 80 11 1 Removal Procedure of Indoor Unit 80 11 2 Removal Procedure of Outdoor Unit 85 Appendix 90...

Страница 4: ...cal Information Service Manual 1 Summary Indoor Unit Part Technical Information FTKS18SL216 FTXS18SL216 FTKS24SL216 FTXS24SL216 Outdoor Unit RKS18SL216 RXS18SL216 RKS24SL216 RXS24SL216 YU1F Remote Con...

Страница 5: ...FTXS18SL216 Indoor Unit Product Code CB459N04600_L75033 CB459N04200_L84775 Fan Type Cross flow Cross flow Diameter Length DXL inch 4 3 16X27 13 16 4 3 16X27 13 16 Fan Motor Cooling Speed SH H M L r mi...

Страница 6: ...oil Length LXDXW inch 34 11 16X26X7 8 33 5 8X26X7 8 Fan Motor Speed rpm 800 800 Output of Fan Motor W 60 60 Fan Motor RLA A 0 52 0 52 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 1883 188...

Страница 7: ...Indoor Unit Model of indoor unit FTKS24SL216 Indoor Unit Product Code CB459N04700_L75033 Fan Type Cross flow Diameter Length DXL inch 4 1 4X32 11 16 Fan Motor Cooling Speed SH H M L r min 1300 1150 1...

Страница 8: ...h 33 5 16X1 3 4X26 Fan Motor Speed rpm 800 Output of Fan Motor W 60 Fan Motor RLA A 0 4 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 3200 Fan Type Axial flow Fan Diameter inch 20 1 2 Defr...

Страница 9: ...a yd2 32 29 50 23 Indoor Unit Model of indoor unit FTXS24SL216 Indoor Unit Product Code CB459N04300_L84775 Fan Type Cross flow Diameter Length DXL inch 4 1 4X32 11 16 Fan Motor Cooling Speed SH H M L...

Страница 10: ...6X1 3 4X26 Fan Motor Speed rpm 800 Output of Fan Motor W 60 Fan Motor RLA A 0 4 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit CFM 3200 Fan Type Axial flow Fan Diameter inch 20 1 2 Defrosting M...

Страница 11: ...ngth 24 6ft Conditions Indoor DB70 F Outdoor DB19 94 F WB19 04 F Indoor air flow Super High Pipe length 24 6ft Heating Heating 0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120 110 80 11...

Страница 12: ...KS24SL216 130 142 in 46 4 51 8 out 51 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 75 Heating 20 30 40 50 L M H SH Indoor fan motor rating speed Noise dB A 46 48 50 52 54 56 58 60 20 30 40 50 60...

Страница 13: ...ndoor Unit W D H 4 27 7 3 16 5 1 2 7 1 2 1 1 2 2 3 16 2 3 16 3 1 8 6 1 11 16 8 1 8 27 7 5 16 2 3 4 2 3 4 Unit inch Models W H D FTKS18SL216 FTXS18SL216 38 3 16 11 13 16 8 13 16 FTKS24SL216 FTXS24SL216...

Страница 14: ...11 Technical Information Service Manual 3 2 Outdoor Unit Unit inch 35 13 3 8 27 9 16 15 5 8 38 14 5 16 22 RKS18SL216 RXS18SL216 RKS24SL216 RXS24SL216...

Страница 15: ...lator Compressor Indoor unit Outdoor unit Accumlator COOLING Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Compressor Strainer Electro...

Страница 16: ...wire YEGN Yellow Green BK Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 600007000575 67 33 1 3 2 7 50 1 9 325 725 803...

Страница 17: ...725 8 5 1 1 8 1 1 0 1 7 5 1 9 9 3 16 21 7521 9 0 2 1 1 02725 1 LURQ VKHOO PRWRU RQO DSSOLHV WR WKH 1RWH 0RWRU JURXQG RXS18SL216 600007000230 9 9 3 16 21 1 7521 9 2 7 50 1 7 03 6 1625 867 7 03 6 1625...

Страница 18: ...SUHYHQW WKH ULVN RI HOHFWULF VKRFN 51 1 20B 11 5 1 B 35 17 5 8 7 2 5 1 3 3 7B6 1625 5 9 8 8 29 B 203 203 9 8 5 1 0 1 7 29 5 2 3527 725 1 8 5 57 57 57 5 6 7 203 8 7 03 6 1625 28778 2875220 7 03 6 1625...

Страница 19: ...live wire only for the mode with this function 5 Interface of up down swing motor Interface of PG feedback 6 Neutral wire interface of cold plasma only for the mode with this function 7 WIFI 8 Tempera...

Страница 20: ...sensor 4 Overload protection of compressor 5 Interface of temperature sensor 6 Electronic expansion valve 7 Low pressure protection of system 8 Interface of fan 9 Interface of 4 way valve 10 Interfac...

Страница 21: ...r Icons on Display Screen Introduction for Buttons on Remote Controller ON OFF button MODE button button FAN button SWING button SAVE button X FAN button TIMER button TURBO button SLEEP button LIGHT b...

Страница 22: ...19 Technical Information Service Manual...

Страница 23: ...ditioner will enter into quick cooling or quick heating mode The TURBO icon is displayed on the remote controller Press this button again to exit turbo function and the TURBO icon will disappear on th...

Страница 24: ...the set value under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If theres I feel function Tcompensation is 0 Others are same as above 5...

Страница 25: ...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 11 Ambient temperature display cont...

Страница 26: ...the compressor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 32 9 F start up the machine for cooling the cooling operation will start 2 During o...

Страница 27: ...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...

Страница 28: ...it 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 Frequen...

Страница 29: ...ature 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 spe...

Страница 30: ...e 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 m...

Страница 31: ...regarded 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 cant run when the reversion abnormity protection...

Страница 32: ...eration 3 When 32 F Toutdoor amb 35 6 F the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 23 F compressor stops operation while th...

Страница 33: ...the unit adequately grounded The grounding wire cant 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 wi...

Страница 34: ...sure rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection p...

Страница 35: ...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...

Страница 36: ...At least 8 At least 72 At least 6 At least 6 Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to...

Страница 37: ...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...

Страница 38: ...as 6 Other places with special circumstances 7 Do not use the unit in the immediate surroundings of a laundry a bath ashower or a swimming pool 2 Grounding Requirement 1 The air conditioner is first c...

Страница 39: ...5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following s...

Страница 40: ...th of drain hose and power cord for installation when 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 Th...

Страница 41: ...he wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of...

Страница 42: ...T to check whether the operation is normal or not If the ambient temperature is lower than 16 the air conditioner cant start cooling 2 Leakage Detection 1 With leakage detector Check if there is leaka...

Страница 43: ...ig 1 1 2 LCD display 1 1 LCD Display of Wired Controller 1 2 Instruction to LCD Display No Symbols Description 1 Swing function 2 Air exchange function this function is yet unavailable for this unit 3...

Страница 44: ...f the indoor unit range 16 30 C Timer setting range 0 5 24 hr 6 3 Fan Setting of the high middle low auto fan speed 4 Mode Setting of the Cooling Heating Fan Dry Auto mode of the indoor unit 6 Functio...

Страница 45: ...decreased by 1 C every 0 5s as shown in Fig 3 3 1 In the Cooling Dry Fan or Heating mode the temperature setting range is 16 30 C 61 86 F In the Auto mode the setting temperature is unadjustable 3 4...

Страница 46: ...timer on and then press Timer to confirm Cancel timer After setting of timer if Timer button is pressed LCD won t display xx Hour so that timer setting is canceled Timer off setting under the On state...

Страница 47: ...off When the Sleep function is activated press Function to enter the Sleep setting status After that press Enter Cancel to cancel this function In the Cooling or Dry mode the temperature will increase...

Страница 48: ...ncel to cancel this function Turbo function setting is as shown in Fig 3 8 1 Turn off the unit without Sleep function activated Press Function repeatedly unitll go to the Sleep setting status Press En...

Страница 49: ...aporated to avoid mildew In the Cooling or Dry mode press Function till the unit enters the Blow setting status and then press Enter Cancel to active this function When the Blow function is activated...

Страница 50: ...activated Memory will be displayed If this function is not set the unit will be under the Off state after power failure and then power recovery Memory recovery If this function has been set for the wi...

Страница 51: ...four core twisted pair line into the slot of the wired controller and then buckle the front panel and the soleplate of the wired controller together 5 Finally fix the front panel and the soleplate of...

Страница 52: ...ing during the operation of the system the error code will be displayed on the LCD as show in Fig 5 1 If multi errors occur at the same time their codes will be displayed circularly Note In event of a...

Страница 53: ...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 soldering iron to poi...

Страница 54: ...51 Installation and Maintenance Service Manual 9 2 Error Code List 13 Malfunction of detecting plate WIFI JF Only for the mode with this function D40 D5 D41 D6 D42 D16 D43 D30...

Страница 55: ...al It s the normal state Off 3s and blink once during blinking ON 10s and Off 05s Defrosting will occur in heating mode Compressor will operate while indoor fan will stop Complete unit current detecti...

Страница 56: ...ation and Maintenance Service Manual L3 38 Outdoor DC fan motor malfunction Outdoor DC fan motor malfunction lead to compressor stop operation DC fan motor malfunction or system blocked or the connect...

Страница 57: ...inboard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Y...

Страница 58: ...ain board that is of the same model Replace a new main board that is of the same model It s the malfunction of main board Then check whether the voltage between terminal 2 and terminal 3 of the motor...

Страница 59: ...the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model...

Страница 60: ...board matches with display board Main board of IDU matches with that of ODU Communication cord is damaged Replace IDU s main board Malfunction eliminated End Connect the line according to wiring diag...

Страница 61: ...anual Start Is malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the same model Yes Yes No...

Страница 62: ...Test 6 Both ends of electrolytic capacitor C47 C47 12V power DC 12V 13V Test 7 Both ends of electrolytic capacitor C60 C60 5V power DC 5V Test 8 Both ends of electrolytic capacitor C73 C73 3 3V power...

Страница 63: ...ault with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut...

Страница 64: ...ompressor COMP is well connected If they are loosened If the connection sequence is correct Is voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter If...

Страница 65: ...the voltage between the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions ac...

Страница 66: ...1 Check if fan terminal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for...

Страница 67: ...re COMP UVW is well connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the st...

Страница 68: ...an works normally If the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If...

Страница 69: ...ing diagram Replace EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth...

Страница 70: ...Start Check communication circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control...

Страница 71: ...er Number jumping Outdoor unit malfunction Test voltage value with Test 13 position in diagram with voltage meter Number jumping Test voltage value with Test 11 position in diagram with voltage meter...

Страница 72: ...hod for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 4 Troubleshooting for Normal Malfunction 1 Air conditioner cant be started up 2 P...

Страница 73: ...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 cant operate Possible causes Discriminating m...

Страница 74: ...ual 10 Exploded View and Parts List 10 1 Indoor Unit 36 35 1 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 19 20 21 25 26 27 28 29 32 31 24 33 34 37 38 39 22 23 17 30 10 The component picture is only for re...

Страница 75: ...Evaporator Support 24212177 24212177 1 16 Evaporator Assy 011001000207 011001000207 1 17 Cross Flow Fan 10352060 10352060 1 18 Fan Motor 1501214503 1501214503 1 19 Motor Press Plate 26112511 26112511...

Страница 76: ...d Maintenance Service Manual 36 35 37 38 1 8 2 3 4 6 7 9 10 12 13 14 15 17 18 19 20 21 22 23 24 26 27 28 29 30 31 33 5 25 11 16 34 8 32 39 The component picture is only for reference please refer to t...

Страница 77: ...011001000095 011001000095 1 16 Cold Plasma Generator 17 Wall Mounting Frame 01252229 01252229 1 18 Motor Press Plate 26112515 26112515 1 19 Fan Motor 1501214501 1501214501 1 20 Connecting pipe clamp 2...

Страница 78: ...and Maintenance Service Manual 24 8 7 6 5 4 3 2 1 16 9 15 14 13 12 11 10 23 20 18 30 25 29 28 27 26 21 19 17 22 31 32 The component picture is only for reference please refer to the actual product 10...

Страница 79: ...ver 22245002 22245002 1 14 Right Side Plate 0130509403P 0130329208 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Wire Clamp 71010003 71010003 1 18 Temperature Sensor...

Страница 80: ...77 Installation and Maintenance Service Manual 31 The component picture is only for reference please refer to the actual product...

Страница 81: ...78 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product 31...

Страница 82: ...ht Side Plate 0130509403P 0130509002P 1 14 Valve Cover 22245002 22245002 1 15 Retaining Plate 02115006P 02115006P 1 16 Handle Assy 02113109 02113109 1 17 Valve Support Block 26115007 1 18 Temperature...

Страница 83: ...efrigerant completely before removal 1 Remove filter assy Open the front panel Push the left and right filters to make them break away from the groove on the front case Then remove the left and right...

Страница 84: ...y and take S wing motor Screw off the screws that are locking the swing motor and take the motor off it out 4 Remove electric box cover 2 and detecting plate WIFI Remove the screws on the electric box...

Страница 85: ...the indoor tube temperature sensor Screw off one grounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Screw off the screws that are locking each lead w...

Страница 86: ...lation and Maintenance Service Manual R ear case assy First remove the left side of evaporator from the groove on the rear case assy Then remove the right side from the clasp on the rear case assy Gro...

Страница 87: ...84 Installation and Maintenance Service Manual...

Страница 88: ...alve cover and right side plate and then remove the valve cover 2 Remove grille and outer case grille Remove the 4 screws connecting the grille and outer case and then remove the panel grille Remove t...

Страница 89: ...ide plate and left side plate and then remove the outer case Remove the screws connecting the right side plate with electric box assy valve support chassis and condenser side plate and then remove the...

Страница 90: ...e 2 screws connecting the motor support and chassis and then loosen the stopper to remove the motor support Remove the screws fixing the electric box sub assy loosen the wire bundle pull out the wirin...

Страница 91: ...hen remove the isolation plate Unsolder the welding joints connecting the 4 way valve assy with capillary sub assy compressor and condenser remove the 4 way valve Note Before unsoldering the welding j...

Страница 92: ...of discharge pipe and suction pipe from foreign objects Remove the screws connecting the support condenser and condenser assy and then remove the support condenser Remove the 2 screws fixing the cond...

Страница 93: ...3 82 83 82 4 28 66 67 66 2 19 75 76 75 2 24 84 85 84 2 29 68 68 20 77 77 25 86 86 30 1 Standard length of connection pipe 16 40ft 24 61ft 26 25ft 2 Min length of connection pipe is 9 84ft 3 Max length...

Страница 94: ...to the following 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 s...

Страница 95: ...2 358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6 2 064 240 8 0 642 32 4...

Страница 96: ...95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6...

Страница 97: ...342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14 274 84 2 41 34 154 4 9 165...

Страница 98: ...JF00303650...

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