manualshive.com logo in svg

Panasonic CS-C73KE, Service Manual, Page: 14 / 50

Share
Download
Panasonic CS-C73KE Service Manual Download Page 14

– 13 –

MAC9512086C2

CS-C73KE

Refrigeration Cycle Diagram

CS-C73KE / CU-C73KE
CS-C93KE / CU-C93KE
CS-C123KE / CU-C123KE

COMPRESSOR

SENSOR

TEMP.

AIR

HEAT

EXCHENGER 

TEMP.

INDOOR

OUTDOOR

HEAT EXCHANGER

(EVAPORATOR)

HEAT EXCHANGER

(CONDENSER)

2-WAY

VALVE

VALVE

3-WAY

TUBE

      

SENSOR

INTAKE

CAPILLARY

Untitled-1

6/21/00, 10:59 AM

13

Summary of Contents for CS-C73KE

Page 1: ...ion Information 24 25 2 way 3 way Valves 26 32 Servicing Information 33 36 Troubleshooting Guide 37 38 Technical Data 39 40 Exploded View 41 43 45 Replacement Parts List 42 44 46 Electronic Parts List 47 CS C73KE CU C73KE CS C93KE CU C93KE CS C123KE CU C123KE ORDER NO MAC9810034C2 1998 Matsushita Air Conditioning Corp Sdn Bhd 183914D All rights reserved Unauthorized copying and distribu tion is a ...

Page 2: ...Piping CS CU C73KE CS CU C93KE long piping up to 10 meter CS CU C123KE long piping up to 15 meter Features PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigeration circuit WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public I...

Page 3: ... setting Clock Setting Current time setting Sleep Mode Operation OFF ON SLEEP Indoor Fan Speed Selection FAN SPEED h j k Low Speed l h j k Medium Speed lll h j k High Speed lllll AUTOFAN Automatic Fan Speed AUTO Automatic Airflow Direction Control MANUAL Airflow Direction Manual Control Airflow Direction Control 24 hour OFF ON Real Timer Setting ON TIMER OFF TIMER Timer Operation Selection SET CAN...

Page 4: ...Freezing Control Anti Freezing control for indoor heat exchanger Cooling and Soft Dry Used when test running or servicing Sleep Mode Auto Control Indoor Fan operates at low speed Operation stops after 8 hours Indoor Fan Speed Control High Medium and Low Automatic Fan Speed Mode Cooling Fan rotates at Hi and Me speed Deodorizing control is available Soft Dry Fan rotates at SLo and Lo speed Deodoriz...

Page 5: ...ssor Overload Protector will trip when Temperature of compressor increases to 120 C High temperature or high current flows to compressor Refer circuit diagram for OLP characteristic 60 Secs Forced Operation Control Once the compressor is activated it does not stop within the first 60 secs However it stops immediately with remote control stop signal Outdoor Fan Operation Control Inner protector CU ...

Page 6: ...dB A W A W W A inch inch inch inch mm m m inch mm inch mm inch mm lb kg W W W rpm rpm rpm Indoor Air Lo Indoor Air Me Indoor Air Hi Outdoor Air 2 05 2 00 7 000 6 830 1 3 2 7 Single 230 220 50 600 550 2 8 2 7 3 42 3 64 12 CS C73KE SIDE VIEW 5 5 190 6 3 220 7 0 250 High 33 32 Low 28 26 G Half Union 3 8 L Half Union 1 4 G gas side 3 8 L liquid side 1 4 12 0 7 2 0 3 1 0 mm2 10 31 32 279 31 15 32 799 7...

Page 7: ...y Control Compressor Capacitor Fan Motor Capacitor Unit mm c c g oz mm s min mm Plate fin configuration forced draft Capillary Tube Specifications are subject to change without notice for further improvement CS C73KE Evaporator Copper Aluminium Slit Fin 2 14 21 614 294 25 4 Electronic Control P P Honeycomb 1 5 µF 400VAC CU C73KE Condenser Copper Aluminium Louver Fin 1 18 17 856 457 2 22 Capillary ...

Page 8: ...Type Rated Output Type Material Motor Type Input Rated Output Fan Low Speed Medium High Indoor Air Lo Indoor Air Me Indoor Air Hi Outdoor Air 2 75 2 65 9 390 9 050 1 6 3 4 Single 230 220 50 800 770 3 5 3 6 3 44 3 44 16 4 CS C93KE SIDE VIEW 6 8 240 7 3 260 8 7 310 High 37 36 Low 30 28 G Half Union 3 8 L Half Union 1 4 G gas side 3 8 L liquid side 1 4 12 0 7 2 0 3 1 0 mm2 10 31 32 279 31 15 32 799 7...

Page 9: ...AC Length Flow Rate Inner Diameter Material Style Unit mm c c g oz mm s min mm Plate fin configuration forced draft Capillary Tube Specifications are subject to change without notice for further improvement CS C93KE Evaporator Copper Aluminium Slit Fin 2 14 21 614 294 25 4 Electronic Control P P Honeycomb 1 5 µF 400VAC CU C93KE Condenser Copper Aluminium Louver Fin 1 18 17 856 457 2 22 Capillary T...

Page 10: ... Rated Output Type Material Motor Type Input Rated Output Fan Low Speed Medium High Indoor Air Lo Indoor Air Me Indoor Air Hi Outdoor Air 3 65 3 52 12 500 12 000 2 1 4 4 Single 230 220 50 1 190 1 150 5 3 5 4 3 07 3 06 26 CS C123KE SIDE VIEW 7 4 260 8 0 280 9 0 290 High 39 39 Low 34 33 G Half Union 1 2 L Half Union 1 4 G gas side 1 2 L liquid side 1 4 12 0 7 2 0 3 1 0 mm2 10 31 32 279 31 15 32 799 ...

Page 11: ... Control Compressor Capacitor Fan Motor Capacitor Unit mm c c g oz mm s min mm Plate fin configuration forced draft Capillary Tube Specifications are subject to change without notice for further improvement CS C123KE Evaporator Copper Aluminium Slit Fin 2 14 21 614 294 25 4 Electronic Control P P Honeycomb 1 5 µF 400VAC CU C123KE Condenser Copper Aluminium Louver Fin 1 20 18 782 9 508 22 Capillary...

Page 12: ...S C123KE Right piping hole Centre notch Slot 2 places Left piping hole Slot 2 places Unit mm Front View Left piping hole Back View Installation plate Indoor unit external dimensions line Right piping hole Air intake direction Remote control transmitter Air outlet direction Side View Side View Relative position between the indoor unit and the installation plate Front View Arrow Centre Arrow ...

Page 13: ...ns CU C123KE CU C73KE CU C93KE Anchor Bolt Pitch 323 x 500 Space necessary for installation 2 Way Valve at Liquid side High Pressure 3 Way Valve at Gas side Low Pressure 67 77 105 105 570 467 480 280 312 245 2 way valve at Liquid side High Pressure 13 Gas side Low Pressure 3 way valve at 93 27 5 780 54 ...

Page 14: ...le Diagram CS C73KE CU C73KE CS C93KE CU C93KE CS C123KE CU C123KE COMPRESSOR SENSOR TEMP AIR HEAT EXCHENGER TEMP INDOOR OUTDOOR HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER 2 WAY VALVE VALVE 3 WAY TUBE SENSOR INTAKE CAPILLARY ...

Page 15: ...R POWER SWITCH ELECTRONIC CONTROLLER Indicates the electronic control unit Indicates the number of core wires Example 6C 6 core wires 3 15A FUSE MAIN CS CU C73KH C93KH C73KHBLD DWG TRANSMITTER REMOTE CONTROL WIRELESS P C B INDICATOR 9C MOTOR STEPPING 5C SENSOR PIPE TEMP TEMP SENSOR INTAKE AIR 4C RY M SSR ZNR2 CONTROL BOX TEMP FUSE 113 C CR1 CR2 CR4 CR3 CS C73KE CU C73KE CS C93KE CU C93KE CS C123KE...

Page 16: ...N SW CN DISP W INDOOR UNIT TERMINAL 2 1 THERMAL FUSE 102 C THERMAL FUSE 113 C RY M CR3 CR1 CR2 1 3 B 9 7 6 5 8 1 2 3 5 6 W W W W W J9890634 CS CU C73KE C93KE C123KE C73KE07 DWG Wiring Diagram REMARKS B BLUE BR BROWN BL BLACK W WHITE R RED O ORANGE P PINK Y G YELLOW GREEN MODEL CONNECTION YELLOW BLUE YELLOW BROWN BROWN ORANGE ORANGE WHITE WHITE RED Resistance of Indoor Fan Motor Windings CS C73KE C...

Page 17: ...hanger is 2 5 C or less for 2 minutes compressor will stop and restart automatically Time Delay Safety Control is valid T Intake air temperature Indoor heat exchanger temperature This is to protect reverse rotation of the compressor when there is a instantaneous power failure Time Delay Safety Control 3 minutes 7 minutes Time Saved Control Starting Current Control Anti Freezing Control If the temp...

Page 18: ...is Me after the compressor restarts SLo Indoor Fan rotates at 4 second intervals at low speed Description of operation d g Time Delay Safety Control waiting for 3 minutes g h 60 sec Forced Operation h o 7 min Time Saved Control q t Anti Freezing Control Operation Stop Indoor Fan Comp SLo SLo SLo SLo ON ON OFF stop stop stop 30 stop 30 160 1 40 40 20 2 a b c d e f g h i j k l m n o p q r s t u v w ...

Page 19: ... Same as Starting Current Control for Cooling Mode operation Same as Anti Freezing Control for Cooling Mode operation For Soft Dry region 6 minutes waiting is valid during compressor stops Same as Compressor Reverse Rotation Protection Control for Cooling Mode Operation For Soft Dry region 6 minutes waiting is valid during compressor stops When Automatic Fan Speed is selected at Remote Control dur...

Page 20: ...0 sec Forced Operation q t Anti Freezing Control a b c d e f g h i j k l m n o p q r s t u v Basic Time Compressor Indoor Fan Outdoor Fan Operation LED 1 1 1 6 6 6 6 4 1 Cooling ON Cooling OFF Soft Dry ON Soft Dry OFF ON 1 5 C 1 0 C SLo SLo SLo Lo SLo SLo SLo SLo SLo SLo SLo SLo Indoor Heat Exchanger Temp 10 C 2 C 6 Intake Air Temperature Set Temp Operation Stop ...

Page 21: ... mode has been determined the mode does not change However Soft Dry mode operation includes Cooling mode operation d Room temperature adjustment The following are added to the setting temperature specified as above e The mode judging temperature and standard setting temperature can be increased by 2 C by open the circuit of J X 2 at indoor electronic controller Cooling Mode Soft Dry Mode Setting T...

Page 22: ...own However the lower limit will be shifted 10 downward Powerful Mode will operate for 15 minutes only Powerful Mode will stop if Powerful mode button is pressed again Stopped by ON OFF switch Timer OFF activates Economy mode button is pressed Sleep mode is pressed Operation mode is changed 7 Economy Mode Operation Purpose of this operation is to save or reduced electrical power consumption of the...

Page 23: ...an Speed Control Auto Fan Speed Control When set to Auto Fan Speed the fan speed is adjusted between maximum and minimum setting as shown in the table Manual Fan Speed Control Basic fan speed adjustment 3 settings from Lo to Hi can be carried out by using the Fan Speed selection button Normal Powerful Economy Normal Powerful Economy Normal Powerful Economy Normal Powerful Economy Manual Fan Speed ...

Page 24: ...20 seconds 15 minutes before the set time to detect the intake air temperature to determine the operation mode The operation indication lamp will blink at this time 11 Delay ON Timer Control Lower limit for Air Circulation Mode 61 Horizontal Upper limit 0 The louver can be adjusted with in a range of Manual Airflow Direction Selection Button is pressed The left and right airflow direction louvers ...

Page 25: ...e where drainage can be easily done A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles Indoor unit of this room air conditioner shall be installed on the wall in a height of at least 2 3 m If an awning is built over the unit to prevent direct sunlight or rain be ca...

Page 26: ...drainage test remove into the air filters and pour water into the heat exchanger This illustration is for explanation purposes only The indoor unit will actually face a different way Carry out insallation after checking for gas leaks After securing with three of the vinyl tape 7 wrap with vinyl tape 8 Vinyl tape 8 Vinyl tape 7 Air purifying filter 5 Left and right are identical Saddle Connecting c...

Page 27: ...cing Shaft Position Close With valve cap Closed Counter Clockwise Open With valve cap Closed Clockwise Open Open Open Open Open position Closed position 2 way 3 way Valve To outdoor unit To outdoor unit Valve cap Service port cap Service port Pin To piping connection Flare nut To piping connection Open position Closed position Hexagonal wrench 4 mm Flare nut Service Port Closed With cap Open Push ...

Page 28: ...ve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID GAS LEAKAGE Lo Hi Indoor unit Liquid side Outdoor unit 2 way valve Closed 3 way valve Closed CLOSE OPEN Vacuum pump Gas side 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 w...

Page 29: ...lve Open CLOSE CLOSE Refrigerant Reclaiming Equipment Gas side 2 way valve 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 MPa 0 kg cm2 G If the unit cannot be operated at the cooling condition weather is rather cool short the Pumping Down pins on the Main Control P C B Simply press the pumping down button if it is equipped So that the unit can be operated...

Page 30: ...rom step 3 If the leaks do not stop when the connections are retightened repair the location of the leak Procedure 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve Be sure to connect the end of the charging hose with the push pin to the service port 2 Connect the center hose of the charging set to a vacuum pump 3 Turn on the power ...

Page 31: ... the charge set s centre hose to refriger ant reclaiming equipment Purge the air from charge hose 4 Open the valve Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 MPa 0 5 kg cm2 G to 0 1 MPa 1 kg cm2 G If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1 MPa 1 kg cm2 G discharge the refrigerant...

Page 32: ...cuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed CLOSE Lo Hi Indoor unit Liquid side Gas side 3 way valve Open 2 wa...

Page 33: ... one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin Lo Hi Indoor unit Liquid side 2 way valve Outdoor unit Open 3 way valve Open OPEN CLOSE Charging cylinder Check valve Gas side This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with large amount of liq...

Page 34: ...e the hook that holding the electronic controller Fig 2 Indoor Fan Motor removal procedure 1 Remove the control board by Releasing CN C GRN connector Releasing CN FM GRN connector Releasing CN STM connector Remove the earth wire screw Release the intake air sensor Release the piping sensor Remove the right and left screws Fig 3 Then remove the control board by pressing down the hook at the left an...

Page 35: ... fan motor by pressing the tab Fig 4 Remove the discharge grille and then the drain hose Fig 4 Finally remove the fan motor by removing the screw Fig 5 REMINDER To reinstall the fan motor adjust the connector of the fan motor as Figure 5 Fan motor connector Particular piece Tab Fan motor Discharge grille Fig 4 Fig 5 Screw Fan motor To install back the Fan motor Please adjust the connector location...

Page 36: ...he Indoor Fan Motor Removal Procedure 2 Remove the evaporator screw Fig 6 3 Press the particular piece to loosen the evaporator Fig 7 4 Remove the bearing Fig 7 5 Push up the evaporator and take out the cross flow fan Fig 7 Fig 6 Evaporator screw Fig 7 Evaporator Push up evaporator Press the particular piece cross flow fan Bearing ...

Page 37: ...set When the batteries are inserted for the first time or the batteries are replaced all the indications will blink and the remote control might not work If this happens remove the back cover of the remote control and you will find a resetting terminal and by shorting it with a minus screwdriver it will return to normal Changing the wireless remote control transmis sion code When two indoor units ...

Page 38: ...ling mode Outlet air temperature C 12 16 Measuring electric current during operation Measuring gas side pressure Measuring the air temperature difference Higher than specified Difference in the intake and outlet air temperatures Normal More than 8 C 15 minutes after an operation is started Less than 8 C at the cooling mode Value of electric current during operation Excessive amount of refrigerant ...

Page 39: ...nt compression Low Pressure Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started Electric current during operation becomes approximately 20 lower than the normal value The discharge tube of the compressor becomes abnormally hot nor mally 70 to 90 C The difference between high pressure and low pressure becomes almost zero Electric cur...

Page 40: ...at Setting Remote Control 34 24 22 20 18 28 26 30 32 18 20 22 24 26 28 30 Cooling OFF Set Temperature 30 32 34 36 38 40 42 44 OUTDOOR ROOM TEMPERATURE C Condition Room temperature 27 19 C Cooling operation At High fan Piping length 7 5 m 3 5 3 0 2 5 2 0 16 15 14 13 12 0 65 0 60 0 55 2 2 2 0 1 8 230V 220V I Q Current A Cooling Capacity kW LP O Outlet Gas Side Piping Pressure MPa Air Temperature C 5...

Page 41: ...re 27 19 C Cooling operation At High fan Piping length 7 5 m 6 0 5 5 5 0 4 5 15 14 13 12 0 55 0 50 0 45 3 8 3 6 3 4 3 2 230V 220V I Q Current A Cooling Capacity kW LP O Outlet Gas Side Piping Pressure MPa Air Temperature C PIPING LENGTH m Condition Room temperature 27 19 C Outdoor temperature 35 34 C Cooling opeartion At High fan 6 0 5 5 5 0 4 5 15 14 13 12 0 50 0 45 0 40 3 8 3 6 3 4 3 2 230V 220V...

Page 42: ...d View CS C73KE CS C93KE CS C123KE 2 6 8 2 1 V 1 5 6 1 4 3 3 4 5 7 _ 9 9 9 0 8 7 2 V Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 43: ...POR GRK OPERATING INSTRUCTIONS RUSSIAN INSTALLATION INSTRUCTIONS INSTALLATION PLATE BAG COMPLETE INSTALLATION SCREW AIR PURIFYING FILTER COMPLETE AIR PURIFYING FILTER NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 44a 44b 45 46 47 48 49 CS C73KE CWD50C338 CWD931019 CWA92288 CWA67C2097 CWH02C060 CWH64K007 CWH4580304 CWB3...

Page 44: ...CS C73KE Exploded View CU C73KE CU C93KE 5 2 4 3 6 7 1 9 8 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 45: ... 30 µF 370 V DESCRIPTION NAME CHASSY ASS Y FAN MOTOR BRACKET SCREW FAN MOTOR BRACKET FAN MOTOR SCREW FAN MOTOR MOUNT PROPELLER FAN NUT PROPELLER FAN COMPRESSOR ANTI VIBRATION BUSHING NUT COMPRESSOR MOUNT CONDENSER HOLDER COUPLING ASS Y 3 WAY VALVE 2 WAY VALVE TUBE ASS Y STRAINER CAPILLARY SOUND PROOF BOARD OVERLOAD PROTECTOR HOLDER O L P TERMINAL COVER NUT TERMINAL COVER CONTROL BOARD TERMINAL BOA...

Page 46: ...45 CS C73KE Exploded View CU C123KE _ 9 6 8 7 1 3 2 4 5 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 47: ...ACITOR FAN MOTOR FUSE HOLDER FUSE PROPELLER FAN ASS Y NUT PROPELLER FAN CABINET SIDE PLATE RIGHT CABINET SIDE PLATE LEFT CABINET FRONT PLATE HANDLE CONTROL BOARD COVER PLATE FOR C B COVER CABINET TOP PLATE Q TY 1 1 6 1 4 1 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 CU C123KE CWD50K658A CWD54254 CWH55413 CWA95378 CWH55252 2KS224D5CA02 CWH50055 CWH4582065 CWB32C334 CWT01C647 CWH35...

Page 48: ...MAGNETIC RELAY TYRISTOR PUSH SWITCH TRANSFORMER FUSE DIODE PART NO A31698 A54CS1VB20E XBA2C31TR0 A52C040 A52C094 A00160 A00106 A56W2DEH1 5 A01059 A40366 A16C204 ERZVEAV511 SYMBOL C FM DB1 FUSE IC4 IC5 RY Hi RY M RY SHi RY PWR SSR 1 SW2 SW3 T1 TEMP FUSE ZNR1 ZNR2 Note All parts are supplied from MACC Malaysia Vendor Code 086 Printed in Malaysia P990103000CT MACC ...

Page 49: ...02 INTP2 P03 INTP3 Vdd X2 X1 IC NC NC AVss ANI0 ANI1 GRN ORG ORG ORG RED 0 01µ C10 10k R15 R14 2k SW3 10k R12 R13 10k C8 0 01µ AUTO PUMP DOWN SW2 R29 24k 0 01µ C17 TEST R8 1k R9 10k 150k R34 X1 8MHz 27pF X 2 R41 10k C22 10µ 0 01µ C23 16V A438LM31A02T L1 16V C19 0 01µ 10µ C18 BZ1 BZ 1k R23 b e 2 2k R22 D1 RY PWR ERA15 01 c R21 6 2k 2SD148 4X Q4 IC2 5 6 8 3 1 RS D6 D1 R B CS SK 4 Vcc GND 2 7 C14 0 1...

Page 50: ...27 C Temperature setting 16 C Cooling Test mode 6 sec 48 sec 1 min 10 sec 1 sec 0 sec 0 sec 42 sec 0 sec 0 sec 36 sec 60 sec 4 sec 7 sec 2 sec 18 sec 4 sec 36 sec 30 sec 0 sec 0 sec 8 sec 96 sec 15 sec 5 sec 0 sec When test point Short circuited How to use electronic circuit diagram Indications for resistance a K k M M W watt Not indicated 1 4W b Type Not indicated carbon resister Tolerance 5 meta...

Reviews:

No comments