Daitsu DOS-18KIDB Скачать руководство пользователя страница 1

Service Manual

Models:

DS-18KIDB  

DOS-18KIDB

 

         

    

DOS-21KIDB 

DS-21KIDB  

(Refrigerant R32)

Содержание DOS-18KIDB

Страница 1: ...Service Manual Models DS 18KIDB DOS 18KIDB DOS 21KIDB DS 21KIDB Refrigerant R32...

Страница 2: ...Printed Diagram 17 6 Function and Control 20 6 1 Remote Controller Introduction 20 6 2 GREE App Operation Manual 24 6 3 Ewpe Smart App Operation Manual 25 6 4 Brief Description of Modes and Functions...

Страница 3: ...s List 68 10 1 Indoor Unit 68 10 2 Outdoor Unit 72 11 Removal Procedure 78 11 1 Removal Procedure of Indoor Unit 78 11 2 Removal Procedure of Outdoor Unit 83 Appendix 98 Appendix 1 Reference Sheet of...

Страница 4: ...1 Technical Information Service Manual 1 Summary Part Technical Information Indoor Unit DS 18KIDB DS 21KIDB Outdoor Unit Remote Controller DOS 18KIDB DOS 21KIDB...

Страница 5: ...34 Indoor Unit Model of Indoor Unit DS 18KIDB Product Code of Indoor Unit Fan Type Cross flow Diameter Length DXL mm 106X706 Fan Motor Cooling Speed SH H M L SL r min 1230 1130 1030 800 Fan Motor Hea...

Страница 6: ...XDXW mm 742X38 1X550 Fan Motor Speed rpm 780 Output of Fan Motor W 40 Fan Motor RLA A 0 62 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 2400 Fan Type Axial flow Fan Diameter mm 445 Defro...

Страница 7: ...Unit DS 21KIDB Product Code of Indoor Unit CB476N00100 CB488N00500 Fan Type Cross flow Diameter Length DXL mm 106X706 Fan Motor Cooling Speed SH H M L SL r min 1230 1130 1030 800 Fan Motor Heating Spe...

Страница 8: ...W mm 935X38 1X660 Fan Motor Speed rpm 780 Output of Fan Motor W 60 Fan Motor RLA A 0 49 Fan Motor Capacitor F Air Flow Volume of Outdoor Unit m3 h 3200 Fan Type Axial flow Fan Diameter mm 520 Defrosti...

Страница 9: ...ion T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 5m Cooling Heating 32 33 34 35 36 37...

Страница 10: ...rvice Manual 2 5 Noise Curve Indoor side noise 60 50 40 30 20 10 0 Indoor Fan Motor Rotating Speed Noice dB A low Middle High Super High Outdoor side noise Compressor frequency Hz Noise dB A 70 60 50...

Страница 11: ...rvice Manual 104 685 181 140 190 38 55 55 38 133 542 174 43 43 80 143 55 55 104 685 181 140 190 38 55 55 38 133 542 174 43 43 80 143 55 55 3 Outline Dimension Diagram 3 1 Indoor Unit Unit mm W H D Mod...

Страница 12: ...12 Technical Information Service Manual 899 818 596 378 303 343 550 Unit mm Unit mm 897 560 955 340 396 364 700 3 2 Outdoor Unit DOS 18KIDB 24K...

Страница 13: ...ci ication Liquid pipe 1 4 6mm Gas pipe 1 2 12mm GWH18AAD K6DNA1A Gas pipe 5 8 16mm 21K Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger...

Страница 14: ...G Orange 5 Electrical Part 5 1 Wiring Diagram Indoor Unit Instruction Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 60000700068802 7 6 1625 7 03...

Страница 15: ...3 6 1625 2875220 28778 7 03 6 1625 8 203 6 7 29 B 203 5 57 57 57 3 3 5 8 8 8 9 5 1 29 5 2 3527 725 0 1 7 5 1 3 1 3 9DOYH SDQVLRQ OHFWURQLF 9 3 0 9 9 9 97 97 2 1 1 02725 1 3 35 17 5 8 7 2 5 8 9 203 7B6...

Страница 16: ...ce of health function neutral wire 4 Interface of neutral wire 5 Interface of fan 6 Interface of health function live wire 7 Jumper cap 8 Auto button 9 Up down swing interface 10 Feedback interface of...

Страница 17: ...three phase input interface Terminal of system high pressure protection Compressor overload protection terminal Terminal of electronic expansion valve Terminal for low pressure protection Interface of...

Страница 18: ...ltifunction For some function which the model doesn t have if press the corresponding button on the remote controller that the unit will keep the original running status After putting through the powe...

Страница 19: ...COOL DRY FAN HEAT Note Only for models with heating function This button is used for setting Fan Speed in the sequence that goes from AUTO to then back to Auto 4 button Press button to increase decre...

Страница 20: ...unction Nixie tube on the remote controller displays NOTE X FAN is the alternative expression of BLOW for the purpose of understanding When unit is on press this button to set Timer Off OFF and HOUR i...

Страница 21: ...unit Press MODE and TURBO button simultaneously to and TURBO buttons simultaneously for 10s remote controller will send WIFI reset code and then the WIFI function will be turned on WIFI function is de...

Страница 22: ...t 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 Fan m...

Страница 23: ...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 contro...

Страница 24: ...n 1 If the compressor is shut down and Tset up Tindoor ambient temperature Tcooling indoor ambient temperature compensation 0 5 C start up the machine for cooling the cooling operation will start 2 Du...

Страница 25: ...hed 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 Contr...

Страница 26: ...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 Frequenc...

Страница 27: ...rature 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 sp...

Страница 28: ...he compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if T frequency reducing temperature at normal speed of module TModule you should stop the...

Страница 29: ...be 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 protect...

Страница 30: ...stop operation 3 When 0 C Toutdoor amb 2 C the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 5 C compressor stops operation while...

Страница 31: ...e 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 wire...

Страница 32: ...stalling the unit at the place where there may be leaked corrosive gas or flammable gas If there leaked gas around the unit it may cause explosion and other accidents 7 Do not use extension cords for...

Страница 33: ...entilated The continuous ventilation status should be kept during the operation process Check whether there is fire source or potential fire source in the maintenance area The naked flame is prohibite...

Страница 34: ...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 35: ...t least 15cm At least 50cm At least 50cm At least 30cm At least 300cm Space to the obstruction Space to the obstruction Space to the obstruction Space to the ceiling Space to the obstruction Space to...

Страница 36: ...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 37: ...fety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in...

Страница 38: ...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 sheet Place the open end wrench on the pipe joint and place...

Страница 39: ...cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor powe...

Страница 40: ...e house structure 2 Fix the support of outdoor unit on the selected location with expansion screws 5 Connect Outdoor Electric Wire 1 Remove the wire clip connect the power connection wire and signal c...

Страница 41: ...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 leakag...

Страница 42: ...short circuited F1 Indoor evaporator temperature sensor is open short circuited F2 Module temperature sensor is open short circuited P7 Outdoor ambient temperature sensor is open short circuited F3 Ou...

Страница 43: ...then peformedischarging NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V to 380V...

Страница 44: ...ard 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 Yes Y...

Страница 45: ...e connection of PG motor control terminal is firm 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...

Страница 46: ...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 47: ...harges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is...

Страница 48: ...wiring diagram Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Main board matches with display board Main board of IDU matches with that of ODU...

Страница 49: ...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 50: ...on occurs after de energizing and turning on the unit Whether stop time for compressor is more than 3min No No No No No No No Yes Yes Yes Yes Yes No Yes Yes Yes Yes Whether valve of outdoor unit is op...

Страница 51: ...uch as clean heat exchanger improve ventilation etc Turn on the unit again after the power voltage is resumed Charge refrigerant according to service manual Whether the outdoor fan can operate normall...

Страница 52: ...function diagnosis process Start the troubleshooting for temperature sensor Check the connection between temperature sensor and wiring terminal is loose or in poor connection Check whether the tempera...

Страница 53: ...der ambient temperature Whether the resistance 1K Whether wire connection wire electronic expansion valve is in good condition Check the coil of electronic expansion valve If its damaged please replac...

Страница 54: ...for 1 min There is malfunction for the detection circuit on main board of outdoor unit Check the input power and resume the power supply normal Is malfunction eliinated Measure the voltage at both en...

Страница 55: ...fan terminal is connected well Whether the fan is damaged Replace fan capacitor unavailable for DC fan Replace outdoor fan Whether outdoor ambient temperature is more than 53o C Whether radiation insi...

Страница 56: ...ompressor wires are connected correctly Whether therere above circumstances Connect compressor wires according to correct wiring method Modify it according to Service Manual and then energize and turn...

Страница 57: ...on of PFC Protection HC Main check point Whether power supply is normal Malfunction diagnosis process Start Check whether power supply is normal Is power abnormal Replace main board of outdoor unit En...

Страница 58: ...of outdoor unit is damaged Malfunction diagnosis process Communication malfunction De energize the unit and then check whether connection wires between indoor unit and outdoor unit and wiring inside...

Страница 59: ...stop time for compressor is more than 3min Whether compressor wires are connected correctly The stop time for unit is not enough high pressure and low pressure of system are unbalanced please wait fo...

Страница 60: ...e the compressor Replace the mainboard with the same model End Is the supply voltage too low with overload Is the indoor outdoor heat exchanger dirty or are the air inlet and outlet blocked The fan is...

Страница 61: ...tection circuit malfunctions of phase current of compressor U1 Hardware of main board is damaged Please replace main board 4 DC busbar voltage is too high PH Input voltage is too high or unstable Hard...

Страница 62: ...d for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Maintenance method for normal malfunction 1 Air Conditioner Cant be Started Up 2...

Страница 63: ...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 64: ...68 Installation and Maintenance Service Manual The component picture is only for reference please refer to the actual product 10 Exploded View and Parts List 10 1 Indoor Unit...

Страница 65: ...s Flow Fan 10352060 10352060 1 17 Fan Motor 1501214502 1501214502 1 18 Motor Press Plate 26112511 26112511 1 19 Wall Mounting Frame 01362026 01362026 1 20 Connecting pipe clamp 2611218801 2611218801 1...

Страница 66: ...72 Installation and Maintenance Service Manual 10 2 Outdoor Unit The component picture is only for reference please refer to the actual product DOS 18KIDB...

Страница 67: ...1 11 Valve Cover 22243005 1 12 Big Handle 2623343106 1 13 Right Side Plate 0130324403P 1 14 4 Way Valve Coil 4300040087 1 15 Wire Clamp 71010103 1 16 Temperature Sensor 3900030902 1 17 Rear Grill 014...

Страница 68: ...74 Technical Information Service Manual 35 The component picture is only for reference please refer to the actual product 21K...

Страница 69: ...1 13 Valve Support 01705047 1 14 Handle 2623305301 1 15 Wire Clamp 71010003 1 16 Rear Grill 01475020 1 17 Condenser Assy 011002000177 1 18 Reactor 19 Clapboard Sub Assy 01235081 1 20 Coping 0120490000...

Страница 70: ...n 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 axile bush on horizontal louver Bend the horizontal louver with hand an...

Страница 71: ...r 2 and detecting plate 5 Remove front case sub assy Front case sub assy Clasp Screw caps Screws Screws Remove the screws fixing front case Note 1 Open the screw caps before removing the screws around...

Страница 72: ...power cord Remove the wiring terminal of power cord Lift up the main board and take it off Screw Wire clip Circlip Holder Connector Soft sheath Power cord Grounding screw Indoor tube temperature senso...

Страница 73: ...move the connection pipe clamp First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell Remove 3 screws fixing evapora...

Страница 74: ...or lift the motor and cross flow blade upwards to remove them 8 Remove motor and cross flow blade Motor clasp Screws Remove 3 screws fixing motor clamp and then remove the motor clamp a Loosen the con...

Страница 75: ...e big handle Remove the screw fixing big handle slide out the big handle down wards to make the clasp of big handle separate from the groove of right side plate and then remove the big handle Remove t...

Страница 76: ...Screw Screw Remove the screws fixing right side plate and then remove the right side plate 5 Remove right side plate and rear grill Screw Screw Cabinet Right side plate Rear grill Remove the screws fi...

Страница 77: ...letf side plate 6 Remove lef side plate Procedure Step Nut Axial flow blade 7 Remove axial flow blade 8 Remove electric box assy Remove the screws fixing electric box assy pull out each wiring termina...

Страница 78: ...tor support and then remove the motor support 10 Remove motor support Spot weld 4 way valve assy 11 Remove 4 way valve assy Unsolder the spot weld of 4 way valve assy compressor and condenser and then...

Страница 79: ...discharge pipe and suction pipe to avoid foreign objects to enter it 12 Remove compressor Procedure Step 13 Remove clapboard Screw Clapboard Remove the screws fixing clapboard and then remove the clap...

Страница 80: ...88 Installation and Maintenance Service Manual Procedure Step Screw Condenser Remove one screw fixing the condenser then remove the condenser 15 Remove condenser...

Страница 81: ...ve cover up ward to remove it b a a 1 Remove top panel Remove handle top panel top panel the 3 screws connecting the top panel with the front panel and the right side plate and then remove the top pan...

Страница 82: ...and then remove the panel 3 Remove left side plate and right side plate Remove the screws t h g i r e h t g n i t c e n n o c side plate with the chassis the valve support and the electric box and th...

Страница 83: ...the 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...

Страница 84: ...efully soundproof sponge 7 Remove Isolation sheet t e e h s n o i t a l o s i e h t g n i x i f s w e r c s 3 e h t e v o m e R and then remove the Isolation sheet Isolation sheet 8 Remov e 4 way valv...

Страница 85: ...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 a support Electr...

Страница 86: ...re disassembly 3 Remove top cover 2 Remove big handle top cover big handle big handle and then remove the handle Remove connection screws connecting the top panel with the front panel and the right si...

Страница 87: ...95 Installation and Maintenance Service Manual...

Страница 88: ...96 Installation and Maintenance Service Manual...

Страница 89: ...97 Installation and Maintenance Service Manual...

Страница 90: ...m 2 Min length of connection pipeFor the unit with standard connection pipe of 5m there is no limitation for themin length of connection pipe For the unit with standard connection pipe of 7 5m and 8m...

Страница 91: ...ollowing 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 an...

Страница 92: ...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 2 064 1...

Страница 93: ...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 78 2...

Страница 94: ...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 79 10...

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