Pioneer WT009GLFI22HLD Service Manual Download Page 1

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Air Conditioner Service Manual

Multi Inverter air conditioner

Service Manual

Models

CONTENTS

1. Important Notice

2. Product Dimensions

3. Refrigeration cycle diagram

4. Operation details

5. Wiring diagram

6. Precaution

7. Names of parts

8. Installation

9. Trouble shooting

WT009GLFI22HLD
WT012GLFI22HLD
WT018GLFI22HLD
WT024GLFI22HLD
YN020GLFI22M2D
YN030GLFI22M

YN040GLFI22M

Summary of Contents for WT009GLFI22HLD

Page 1: ...s CONTENTS 1 Important Notice 2 Product Dimensions 3 Refrigeration cycle diagram 4 Operation details 5 Wiring diagram 6 Precaution 7 Names of parts 8 Installation 9 Trouble shooting WT009GLFI22HLD WT012GLFI22HLD WT018GLFI22HLD WT024GLFI22HLD YN020GLFI22M2D YN030GLFI22M3D YN040GLFI22M4D ...

Page 2: ...ble for the interpretation of this information nor can it assume any liability in connection with its use The information specifications and parameter are subject to change due to technical modification or improvement without any prior notice The accurate specifications are presented on the nameplate label How to order spare parts To have your order filled promptly and correctly please furnish the...

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Page 4: ...Air Conditioner Service Manual 3 3 Refrigeration cycle diagram TIN1 PMV1 TIN2 TIN3 PMV2 PMV3 PMV4 TIN4 T2B1 T2B24 T2B3 T2B4 ST CONDENSER liquid storage pot T3 T4 TP HP COMPRESSOR Optional Evaporator ...

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Page 6: ...error code 6 Condenser temperature protection When condenser temperature 65 and keep 10s the air conditioner will shut down and show error code and recover while condenser temperature 52 and the compressor stop for 3minutes 7 IPM module protection IPM module has high temperature over current protection itself if there is signal feedback to IPM the outdoor unit will shut down LED on outdoor PCB wil...

Page 7: ...ess than 2 the controller will shut down compressor and show error code while the ambient temperature is over 1 the compressor will run automatically 3 Auto fan control in cooling mode In cooling mode include cooling in Feel mode fan speed is determined by δt as the following diagram 4 DRY Mode Operation 1 The system for DRY operation used the same refrigerant circle as the cooling one 2 When the ...

Page 8: ... will power on ahead of compressor 5 seconds and cut off for 30seconds later than compressor 5 Defrosting Defrosting is controlled by the microprocessor When the unit operate 30 minutes accumulated and the compressor operation more than 3 minutes continuously one of the following conditions is satisfied unit comes into defrosting a When FrostDeg 5 and OPT 5 the 2 times defrosting interval time is ...

Page 9: ...LED showing by winking No matter what AC come into or out of defrosting indoor fan motor speed is the same as Cold Air Prevention Control While one of the following conditions is satisfied unit comes out of defrosting and shifts to heating mode a Outdoor coil Temperature OPT 5 and keeps 30 seconds b Outdoor coil Temperature OPT 10 and keeps 2 seconds c Continue 11minutes defrost Operation 5 Indoor...

Page 10: ...ow to activate this function 1 Pulling the air con s plug out of socket 2 Pressing and holding the Emergency button ON OFF on the indoor then insert the plug into the socket again 3 Keep pressing the Emergency button for more than 10 seconds until three short beeps heard the Auto restart function been activated 4 When the unit in operation press the timer button 10 times in 8s the Auto restart fun...

Page 11: ...door EEPROM fault EE 19 Temp switch fault on top of the compressor EP 8 Voltage sensor fault EU 12 Suction temperature sensor fault EH 18 Outlet temperature sensor A fault Ey 47 Outlet temperature sensor B fault 48 Inlet temperature sensor A fault En 51 Inlet temperature sensor B fault 52 Protection display code list light off flash Protection Type Indoor LED Code CASSETTE Outdoor light blink time...

Page 12: ... n Failure 1 PM protection 2 Over voltage lower voltage 3 Overcurrent 4 Exhaust over temperature protection 5 Outdoor coil over temperature protection 6 Drive fault and protection V1 VP1 7 Communication fault with indoor unit 8 Compressor overheat fault compressor top switch 9 Short circuit open circuit fault of outdoor temperature sensor 10 Short circuit open circuit fault of outdoor heat exchang...

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Page 16: ...ng in accordance with the wiring rules The air conditioner must be installed by professional or qualified persons Do not install the appliance at a distance of less than 50 cm from inflammable substances alcohol etc Or from pressurized containers e g spray cans If the appliance is used in areas without the possibility of ventilation precautions must be taken to prevent any leaks of refrigerant gas...

Page 17: ...t it is earthed in accordance with current legislation and insert a thermomagnetic circuit breaker The batteries in remote controller must be recycled or disposed of properly Disposal of Scrap Batteries Please discard the batteries as sorted municipal waste at the accessible collection point Never remain directly exposed to the flow of cold air for a long time The direct and prolonged exposition t...

Page 18: ...children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Do not climb onto or place any heavy or hot objects on top of the appliance Do not leave windows or doors open for long when the air conditioner is operating Do not direct th...

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Page 21: ... m A 5m 9K 5 0 15 15g m 12K 5 0 15 15g m 18K 5 0 15 20g m Connecting cables The power cord should be selected according to the following specifications sheet Appliance Amps Wire Size 5 AWG21 0 75 mm2 10 AWG18 1 0 mm2 13 AWG15 1 5 mm2 18 AWG14 1 6 mm2 25 AWG12 2 0 mm2 30 AWG10 2 5 mm2 Outdoor unit In door unit Pipe length is 15 meters Max be l es s th an 10m Height shoul d Outdoor unit Indoor unit ...

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Page 28: ...N6 2 if loose or not plugged in please connect again 2 Room temperature sensor IRT and Indoor pipe coil temperature sensor IPT damage short or broken Solution check the resistance of the sensor wall type R 25 5 kΩ cassette and duct type R 25 5 kΩ if short or broken please replace it Expansion valve Sensor circuit LP HP Motor Compressor driving Switch power supply Communication Filter circuit for h...

Page 29: ...1 The indoor motor connection terminal loose or not plugged in Solution Check the connecter of indoor motor and slot CN3 and CN4 if loose or not plugged in please connect again 2 The indoor motor damage Solution Check and replace the motor 3 The indoor main PCB damage Solution Replace the indoor main PCB OK Fail ...

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Page 34: ...replace the sensor or add some gas 9 3 13 Display PA Reason Two or three machine modes collide Solution Check whether one machine run in cooling another machine run in heating or other model 9 3 14 Display D3 Reason Water full This only apply to cassette or duct type Solution Check and let water drain 11 13 15 Display CL Cause Air filter duty the unit operation Cumulative time 500 hours the contro...

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Page 38: ... 765 14 27 567 4 219 31 3 981 2 192 76 0 895 0 746 13 26 239 4 186 32 3 836 2 146 77 0 869 0 728 12 24 984 4 152 33 3 697 2 101 78 0 843 0 710 11 23 795 4 117 34 3 563 2 057 79 0 819 0 692 10 22 671 4 082 35 3 435 2 012 80 0 795 0 675 9 21 606 4 045 36 3 313 1 969 81 0 773 0 658 8 20 598 4 008 37 3 195 1 926 82 0 751 0 641 7 19 644 3 969 38 3 082 1 883 83 0 729 0 625 6 18 732 3 930 39 2 974 1 842 ...

Page 39: ... 79 15 34 86 1 985 2 047 2 109 21 170 7 192 5 217 33 13 25 14 18 15 17 87 1 922 1 983 2 045 20 161 6 182 1 205 34 12 72 13 6 14 54 88 1 861 1 922 1 983 19 153 1 172 3 193 7 35 12 21 13 05 13 93 89 1 802 1 862 1 923 18 145 163 1 183 2 36 11 72 12 52 13 36 90 1 746 1 805 1 865 17 137 5 154 4 173 2 37 11 26 12 01 12 81 91 1 692 1 75 1 809 16 130 3 146 2 163 9 38 10 82 11 53 12 29 92 1 639 1 697 1 755...

Page 40: ... 117 0 7837 0 8233 0 8641 10 36 04 39 39 43 01 64 4 101 4 288 4 479 118 0 7623 0 8012 0 8413 11 34 42 37 59 41 65 3 961 4 139 4 32 119 0 7415 0 7798 0 8193 12 32 89 35 87 39 1 66 3 827 3 995 4 167 120 13 31 43 34 25 37 29 67 3 698 3 858 4 021 121 0 702 0 7386 0 7773 14 30 04 32 71 35 58 68 122 0 6631 0 7195 0 7572 15 29 72 31 24 33 95 69 123 0 6649 0 7007 0 7378 16 70 3 339 3 476 3 616 124 0 6472 ...

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