Panasonic YE9WKU1 YE Service Manual
Panasonic YE9WKU1 Manual
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- Panasonic YE9WKU1 | YE Service Manual - Page 1
Air Conditioner Service Manual Inverter Air Conditioner Service Manual Models CS-YE9WKU1(indoor unit) CU-YE9WKU1(outdoor unit) CS-YE12WKU1(indoor unit) CU-YE12WKU1(outdoor Names of parts 7. Operation details 8. Wiring diagram 9. Explosion view and parts 10. Installation 11. Trouble shooting 0 - Panasonic YE9WKU1 | YE Service Manual - Page 2
Air Conditioner Service Manual 1. Precaution 1.1 SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLATION Read this guide before installing for disposal. Only use the air conditioner as instructed in this booklet. These instructions are not intended to cover every possible condition and situation - Panasonic YE9WKU1 | YE Service Manual - Page 3
Air Conditioner Service Manual Children shall not play with the appliance. Cleaning and user maintenance and upwards in the cooling mode. Only use the air conditioner as instructed in this booklet. These instructions are not in ended to cover every possible condition and situation. As with any - Panasonic YE9WKU1 | YE Service Manual - Page 4
Air Conditioner Service Manual 1.3 SAFETY RULES AND PROHIBITIONS Do not bend, tug or compress 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 - Panasonic YE9WKU1 | YE Service Manual - Page 5
Air Conditioner Service Manual 2. Important Notice This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal - Panasonic YE9WKU1 | YE Service Manual - Page 6
Air Conditioner Service Manual 3. Product Dimensions Indoor Unit: Model CS-YE9WKU1 CS-YEWKU1 A 811(31.9) 811(31.9) Indoor unit(mm/inch) B 292(11.5) 292(11.5) C 203(7.99) 203(7.99) 5 - Panasonic YE9WKU1 | YE Service Manual - Page 7
Outdoor Unit: Air Conditioner Service Manual Model CU-YE9WKU1 &8- - Panasonic YE9WKU1 | YE Service Manual - Page 8
Air Conditioner Service Manual 4. Technical Specifications Technical Specifications Model CS-YE9WKU1 (indoor unit) CS-YE12WKU1 (indoor unit) CU-YE9WKU1 (outdoor unit) CU-YE12WKU1 (outdoor unit) Type cooling&heating cooling&heating Control type remote remote Power supply 115V~/60Hz/1P - Panasonic YE9WKU1 | YE Service Manual - Page 9
Air Conditioner Service Manual 5. Refrigeration cycle diagram Cooling only Liquid side 2-way valve Capillary Heat exchange (Evaporator) Heat pump Heat exchange (Evaporator) Gas side 3-way valve Accumulator Heat exchange ( - Panasonic YE9WKU1 | YE Service Manual - Page 10
Air Conditioner Service Manual 6.Names of parts 1 2-3 4 INDOOR UNIT 5 7 Indoor unit No. Name 1 Front panel 2 Air filter 3 Special filter(option) 4 Display PCB 5 Vertical vane 6 Horizontal vane 7 Remote controller 8 OUTD - Panasonic YE9WKU1 | YE Service Manual - Page 11
Air Conditioner Service Manual 7.Operation Details Remote controller 1 ON/OFF button To switch the conditioner on and off. 2 FAN SPEED button To select the fan speed of auto/low/ - Panasonic YE9WKU1 | YE Service Manual - Page 12
Air Conditioner Service Manual Electronic Controller 1. Safety Protection (1) Time Delay for Safety protection 3 minutes delay for compressor ---The compressor is ceased for 3minutes before restarting to balance the pressure - Panasonic YE9WKU1 | YE Service Manual - Page 13
Air Conditioner Service Manual down, the compressor running frequency will go down. When room temperature is lower than set temperature, the compressor will run at very low frequency. In - Panasonic YE9WKU1 | YE Service Manual - Page 14
Air Conditioner Service Manual In heating operation, if air conditioner turn off, the indoor fan motor will run most for 30 seconds since the stop of compressor. 2) Auto fan - Panasonic YE9WKU1 | YE Service Manual - Page 15
Air Conditioner Service Manual (5) Indoor exchanger overheat protection When Indoor exchanger Temperature (IPT) is higher than 55℃(131℉) , unit comes into indoor exchanger overheat protection. The compressor drops its - Panasonic YE9WKU1 | YE Service Manual - Page 16
Error list Air Conditioner Service Manual Failure Type Indoor and outdoor communication fault Outdoor communication failure Indoor room temperature sensor (IRT) fault Indoor coil temperature sensor (IPT) fault Outdoor coil temperature - Panasonic YE9WKU1 | YE Service Manual - Page 17
Air Conditioner Service Manual Display on outdoor power source board: blink time (n) Failure 1 IPM protection 2 Over voltage /lower voltage 3 Overcurrent 4 Exhaust over temperature protection 5 Outdoor coil over temperature protection 6 - Panasonic YE9WKU1 | YE Service Manual - Page 18
Air Conditioner Service Manual 8. Wiring diagram MODEL: CS-YE9WKU1/CU-YE9WKU1 . CS-YE12WKU1/CU-YE12WKU1 INDOOR UNIT: OUTDOOR UNIT ¦È ¦È ¦È 17 - Panasonic YE9WKU1 | YE Service Manual - Page 19
Air Conditioner Service Manual 9. Explosion view and parts Indoor Unit- CS-YE9WKU1 No. Part No. 1 210737962C 2 210703004 3 210755165 4 214160196 5 210901127R 6 210705767 7 211245758 8 210701846 9 210737666 10 1070100010 11 1170030067Q 12 210736813 13 210737665 14 210737097 15 - Panasonic YE9WKU1 | YE Service Manual - Page 20
Outdoor Unit- CU-YE9WKU1 7 6 Air Conditioner Service Manual 5 4 3 2 1 8 24 23 9 22 21 20 19 18 10 11 17 12 13 14 15 211367326 Part Name Grille Top Cover Condenser Outdoor Motor Supporter Outdoor Motor Propeller Fan Left grille supporter Front Plate Fan Guard Compressor 4-way Valve 4- - Panasonic YE9WKU1 | YE Service Manual - Page 21
Indoor Unit- CS-YE12WKU1 Air Conditioner Service Manual No. Part No. 1 210737962C 2 210703004 3 210755165 4 214160196 5 210901127R 6 210705767 7 211245758 8 210701846 9 210737666 10 1070100010 11 1170030067Q 12 210736813 13 210737665 14 210737097 15 210901816X 16 - Panasonic YE9WKU1 | YE Service Manual - Page 22
Air Conditioner Service Manual Outdoor Unit- CU-YE12WKU1 7 6 5 4 3 2 1 8 24 23 9 22 21 20 19 18 10 11 30 211367326 Part Name Grille Top Cover Condenser Outdoor Motor Supporter Outdoor Motor Propeller Fan Left grille supporter Front Plate Fan Guard Compressor 4-way Valve 4-way Valve - Panasonic YE9WKU1 | YE Service Manual - Page 23
Air Conditioner Service Manual 10. Installation manual 10.1 Installation Details Connecting pipe length Model CS-YE9WKU1/CU-YE9WKU1 CS-YE12WKU1/CU-YE12WKU1 Liquid 1/4 1/4 Pipe size(Inch) Gas 3/8 3/8 Outdoor unit Pipe length is 15 m(49 ft) Max. Indoor unit Indoor unit Pipe length is - Panasonic YE9WKU1 | YE Service Manual - Page 24
Air Conditioner Service Manual 10.2 Installation for the first time Indoor unit Install the indoor unit level on a strong wall that is not subject to vibrations The inlet and - Panasonic YE9WKU1 | YE Service Manual - Page 25
Air Conditioner Service Manual Install the indoor unit at a height of at least 2.5m(0.1") from the ground. appliance has been installed so that it can be pulled out if - Panasonic YE9WKU1 | YE Service Manual - Page 26
Air Conditioner Service Manual 7).An efficient earth connection must be ensured. 8).If the power cable is damaged, it must be replaced by an authorized Service Centre. 10.2.4 Refrigerant piping connection The piping can be run in the 3 directions indicated by numbers in the picture. When the piping - Panasonic YE9WKU1 | YE Service Manual - Page 27
Air Conditioner Service Manual 4).If the piping is installed to the right, the pipes, power cable and drain hose must be lagged upper cover connection pipes flare nuts liquid tap gas tap indoor unit gas valve Liquid valve tap service port nut protection caps s ervice port vacuum pump 26 - Panasonic YE9WKU1 | YE Service Manual - Page 28
Air Conditioner Service Manual 11. Trouble shooting 11.1 Outdoor control diagram Indoor control system Outdoor control system sample Rotor position check 11.2 The structure of ODU PCB CS-YE9WKU1/CU-YE9WKU1;CS-YE12WKU1/CU-YE12WKU1 Indicator DC motor Compressor driving Expansion Sensor valve - Panasonic YE9WKU1 | YE Service Manual - Page 29
Air Conditioner Service Manual 11.3 Connection of ODU PCB CS-YE9WKU1/CU-YE9WKU1;CS-YE12WKU1/CU-YE12WKU1 To indoor unit PC monitor DRM-COM DRM1 DRM2 DRM3 COMP.top Temp protection SuctionTempsensor Outdoor ambient Temp sensor Out door - Panasonic YE9WKU1 | YE Service Manual - Page 30
Air Conditioner Service Manual 11.5 Examples of repairing 11.5.1Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in. Solution: Check the connecter of sensor - Panasonic YE9WKU1 | YE Service Manual - Page 31
Air Conditioner Service Manual 3) The indoor main PCB damage. Solution: Replace the indoor main PCB. 11.5.3 Display E3, E7 Reasons: 1) Outdoor pipe temp sensor, outdoor temp sensor connection terminal - Panasonic YE9WKU1 | YE Service Manual - Page 32
Air Conditioner Service Manual 2) Outdoor pipe temp sensor damage. Fail OK Solution: Check and replace the sensor. 3) Outdoor PCB damage. Solution: Check and replace the outdoor PCB. 11.5.5 Display - Panasonic YE9WKU1 | YE Service Manual - Page 33
Air Conditioner Service Manual 5) Communication fault if resistance or optical coupler broken, replace outdoor PCB. Communication circuit 6) Is there any burnt on PCB? If no, test the rectifier, FRD, - Panasonic YE9WKU1 | YE Service Manual - Page 34
Air Conditioner Service Manual 11.5.7 Display E9（first display P0 or P9） Reason: Outdoor PCB the silicone is applied evenly, fix the screws again if loose. Fixing screw Heat radiation problem easily happened while the screw is not fixed tightly. 3) Check the system pressure, recharge refrigerant - Panasonic YE9WKU1 | YE Service Manual - Page 35
Air Conditioner Service Manual 11.5.9 Display EE Reason: EEPROM fault. Solution: Shut down power supply and reenergize it, if the fault remains there, check the EEPROM installation, if no problem, please replace outdoor PCB. EEPROM 11.5.10 Display CL Cause: Air filter duty, the unit operation - Panasonic YE9WKU1 | YE Service Manual - Page 36
11.6.2 DC Over Current Error Error memory is recorded Start Air Conditioner Service Manual Are valves (2-way or 3-war) close? Yes Full open stop valves Does compressor Yes rotates? No Does compressor Yes rotates more than 30 seconds? No - Panasonic YE9WKU1 | YE Service Manual - Page 37
11.6.3 E0,E5 Error Air Conditioner Service Manual Start Display E0 Display E5 Replace inverter assembly Replace indoor PCB, if unsolved replace power supply board or outdoor PCB assembly If the problem cannot be solved by using the methods above Replace the indoor main PCB, power source board - Panasonic YE9WKU1 | YE Service Manual - Page 38
Air Conditioner Service Manual 11.7 THERMISTOR TEMPERATURE CHARACTERISTICS 1. Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of - Panasonic YE9WKU1 | YE Service Manual - Page 39
Air Conditioner Service Manual TH1: indoor room temperature sensor and outside air temperature sensor TH2: indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance, disconnect connectors - Panasonic YE9WKU1 | YE Service Manual - Page 40
Air Conditioner Service Manual -2(-35.6) -1(-33.8) 0(32) 1(33.8) 2(35.6) 3(37.4) 4(39.2) 5(41) 6(42.8) 7(44.6) 8(46.4) 9(48.2) 10(50) 11(51.8) 12(53.6) 13(55.4) 14(57.2) 15(59) 16(
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Air Conditioner Service Manual
0
Inverter
A
ir
C
onditioner
Service Manual
Models
CS-YE9WKU1(indoor unit)
CU-YE9WKU1(outdoor unit)
CS-YE12WKU1(indoor unit)
CU-YE12WKU1(outdoor unit)
CONTENTS
1. Precaution
2. Important Notice
3. Product Dimensions
4. Technical Specifications
5. Refrigeration cycle diagram
6. Names of parts
7. Operation details
8.
Wiring diagram
9. Explosion view and parts
10. Installation
11. Trouble shooting