CS-C73KE / CU-C73KE CS-C93KE / CU-C93KE CS
Contents
1.2. i i 1 BLUE RME BR BROWN B CONTROL No S 2 CDRI BL BLACK ELECTRONIC CONTRO o s B 4 W WHITE UNT d R RED E E MOTOR O ORANGE 5 B 9 1 PUMP DOWN SW P PINK E R 3 z ol g gt TEST R N Y G YELLOW CAPACITOR GREEN 31517 O AUTO SW 5275 8 lt 5 1 1 e e E 5 RY PWR C z E Resistance of Indoor Fan Motor Windings E THERMAL a MODEL CS C73KE CS C93KE CS C123KE FUSE 2 lt 1130 CONNECTION _ 92288 CWA92289 CWA92290 EL GTHONIG sl YELLOW BLUE 536 5 449 5 457 4 1 5 YELLOW BROWN 77 1 87 7 56 1 AC W M a ou BROWN ORANGE 43 9 56 1 61 2 Ww a SENSOR TRANSFORMER ORANGE WHITE 427 18 6 25 3 WHITE RED 111 4 124 1 142 5 Ww R Resistance of Outdoor Fan Motor Windings i 3 CN FUSE B R R MODEL CU C73KE CU C93KE CU C123KE BL y CONNECTION CWA95238 lt CWA95378 nam X D BLUE YELLOW 310 00 17450 mama 112100
3. Charging cylinder ME Procedure 1 Connect the charge hose to the charging cyl inder e Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder 2 Purge the air from the charge hose e Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Open the valve Low side on the charge set and charge the system with liquid refrigerant e If the system cannot be charged with the specified amount of refrigerant it can be charged with a little at atime approximately 150 g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 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 liquid refrigerant while operating the air conditioner 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the refrigerant to be dis charged f the system has been charged with liquid refrigerant while operating the air c
4. e CS C123KE CU C123KE Senser Thermistor Intake Air Indoor Heat Characteristics Exchanger Temp 70 MAIN MAIN SWITCH RECEIVER 65 V Pipe Temp Sensor acz220 230v 1 Ji t 50 60Hz Ris zl ls 7 Intake Air Temp Sensor Intake Air Temp Data RI7 R16 113 C mz 50 3 ik 0 100 aLaaa THERMAL RY PWR DRIVE 04 r FUSE _ N GRY 5 L c19 R22 los 250148 4 im 40 S 3 10 o Di b e gt 15 01 as proce E CN FUSE2 2 ee FUSE 172 9 5 gt a m wit 5 30 1 47K A55DC143XKTX n 5 7 10k ASSDC143 RY PWR 5 Indoor Heat Exchanger RT I I TTT 2 2 4 J 07 0 OVER LOAD Temp Data Ro 1k a6 De PROTECTOR 20 A55DC143XKTX RYM pm 0 10 20 30 40 50 60 70 RELAY DRIVE RYH RY SHI_ SSRI 9 10 Temperature C IC1 ZNR2 YELLOW A52D0001G502 5110 5 AS6W2DEH1 5 9 Om Om Om Om Om Om Omi IC5 104 0 es s cdl al 52 78N12H 78A05 10 0 10 20 30 40 50 5 3 l B 2 REGULATOR 42 REGULATOR INDICATOR 5 5 5 8 8 5 la 1 12 o a COMPRESSOR T t s 162 Hr 33004 ih Sou 1004 J emperature A54LNK2172B 7 35V 25V 7 16V g E 3 g A52BR9020F 7h ING rh NHG rh NEG GRN SY amp i Ri ECONOMY GN DISP N 5 1k RY H 1 RELAY DR
5. Before using the circuit diagram read the following carefully e REMOTE CONTROL INDOOR UNIT PRINTED CIRCUIT BOARD INDOOR UNIT PRINTED CIRCUIT BOARD Voltage measurement Indications for capacitor Voltage has been measured with a digital a Unit tester when the indoor fan is set at high fan b Type Not indicated ceramic capacitor speed under the following conditions without S us S series aluminium setting the timer electrolytic capacitor i i WIRELESS REMOTE CONTROL TOP VIEW BOTTOM VIEW Use them for servicing TA 2 series aluminium Voltage indication is in Red at all operations electrolytic capacitor SU aus SU series aluminium m Intake air Temperature Discharge air Pipe electrolytic capacitor gt t i CN FUSEI 15 temperature setting temperature temperature P series polyester system Bits m UL F aal a I aaa face 7 SE ies aluminium wa Um T Cooling 27G 160 17 155 electrolytic capacitor zR sR HOH Hatin O Indications forresistance SRA SRA series aluminium uM a M M electrolytic capacitor E 83 2 EE Ei W watt Not indicated 1 4W KME KME series aluminium 5 b Type electrolytic capacitor 5 4 rT He CP EN
6. KA o N 105 eo 2 way valve at Liquid side High Pressure 3 way valve at Gas side Low Pressure 312 CU C123KE Space necessary for 699 4 59 installation 100 500 98 _ 52 AT Ye ag 10 fun i p 2 Anchor Bolt Pitch 323 x 500 TED wu 540 2 Way Valve at Liquid side High Pressure 3 Way Valve at Gas side Low Pressure CS C73KE Refrigeration Cycle Diagram CS C73KE CU C73KE CS C93KE CU C93KE CS C123KE CU C123KE INDOOR OUTDOOR CAPILLARY TUBE Ix 2 WAY VALVE INTAKE AIR TEMP HEAT Kn EXCHENGER TEMP les HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER VALNE COMPRESSOR 13 Lu x fo Block Diagram som 8109 9 99 9 dWeX J 8109 Jo eui sejeoipu 5 D jouoo
7. eur Sepu x gt O 2 K P W4 9 HOLON M o o lo o i 2 2 ZU 2 T N HOSS3HdWOO HOSN3S HIV HOSN3S dWal3d 57 mE HOLOW VAL 2808 ONIdd3lS YAWHOS Z HANZ A0 z 022 OV OS SNVH LL ASVHd JI NIS a HILLINSNVHL gror er 7031409 SLOWSY SS3T13HIM PS HOLVOIGNI vere IL HOLO31OHd 838 56 ashi 939113938 1 3904 HUN JOOPINO SE HMd AH HITIOHLNOO OINOH1O313 HUN a HOLIMS H3MOd NIVIN AMESLO NSD 33 cLO0 SO INE6I NI 31569 55 33 Z2 n2 3129 59 14 CS C73KE Wiring Diagram CS C73KE CU C73KE CS C93KE CU C93KE CS C123KE CU C123KE pe F CONTROLLER DISPLAY LAMP PEE REMARKS
8. S 2 I 2 a g 2 5 gt pate E oe Reef pee eee yee ee eo 1 1 i Por tof oR NCE PT 1 bode be he Die dw al 1 1 1 i I I Pap st Sa Se Sa Sh 16 18 20 22 Thermostat Setting Remote Control Operation characteristics CS C73KE CU C73KE 230V 220V Piping Length Characteristic 230V 220V Cooling Characteristic 3 e dW epis sen Jenno now di x eon ooo hoe i i 1 I 1 I 1 1 1 B d q N N 1 1 S o 5 1 2 m i i HE 1 2 1 i a 8 1 a c 1 c 1 i 5 1 5 c o 9 ai ai uoopo waung 1 9o epis sey 0 now di x QN oon errre 1
9. NEN DA 5 Not indicated carbon resister I S 60 00 0099 5 Tolerance 5 Diode without indication MA165 gc 1 95 3338888888888 is i e e PO E AW eens metal oxide resister x Circuit Diagram is subject to change without k sas AN Tolerance 1 notice for further development 100k a CD vss so lt 5 M DOOR OPEN CLOSE VD RESET 5601081 RS X 1 RESET 3000 Wi O 1 SEG11 60 TIMER TABLE s sow oH BO lt e d c PCI SEG13 68 a nie gt o PCO IC1 2 Test mode 51k Remote Controller No 65 PAO SEG15 68 a Name Time pud test pon Remarks dins send Short circuited RIS D Sleep Mode Waiting 1 hr 6 sec 7 4 secre 69 5 4 SEG19 5 Sleep Mode Operation 8 hrs 48 sec de 5 1 hr 1 min GD Pas staat O TS Real Timer 10 min 10 sec Teen 9 eee b R888 A A TRAM amp P HEU ODODO 0 95 0 Se Q D he 1 min 1 sec 63 64 65 66 67 68 69 60 642 63 64 6 EB gt Time Delay Safety Control 2 min 58 sec 0 sec 5 Forced Operation 60 sec 0 sec Time Save Control 7 min 42 sec 5 5 Anti Freezing Control 4 min 0 sec m T Mode Jugdement 20 sec 0 sec 4 A Off 6 min 36 sec O Soft Dry SLEEP TIMER TIMER Q On 10 min 60 sec SOFT DRY 10 min operation F
10. CWF561591B lt lt 45 INSTALLATION INSTRUCTIONS 1 CWF61668 lt CWF61684 46 INSTALLATION PLATE 1 CWH36157 SE 47 BAG COMPLETE INSTALLATION SCREW 1 CWH82C144 lt lt 48 AIR PURIFYING FILTER COMPLETE 1 CWD00C111 lt lt 49 AIR PURIFYING FILTER CWD00220 lt lt Note e parts are supplied MACC Malaysia Vendor Code 086 e O marked parts are recommended to be kept in stock 42 Lu x oe p o Exploded View CU C73KE CU C93KE gt The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts Note 43 Replacement Parts List CS C73KE lt Model CU C73KE CU C93KE NO DESCRIPTION amp NAME QTY CU C73KE CU C93KE REMARKS 1 CHASSY ASS Y 1 CWD50K525B lt 2 FAN MOTOR BRACKET 1 CWD54113 lt 3 SCREW FAN MOTOR BRACKET 4 CWH4580399 lt 4 FAN MOTOR 1 CWA95238 lt 5 SCREW FAN MOTOR MOUNT 3 CWH55027 lt 6 PROPELLER FAN 1 CWHO00K040 lt 7 NUT PROPELLER FAN 1 CWH56032 lt 8 COMPRESSOR 1 2RS110D5CA04 2PS146D5BA04 9 ANTI VIBRATION BUSHING 3 CWH50077 lt 10 NUT COMPRESSOR MOU
11. ON D MODE FAN SPEED AIR SWING Operation OFF ON Operation Mode Selection AUTO Automatic Operation Mode COOL Cooling Operation Mode DRY Soft Dry Operation Mode FAN Air Circulation Mode Indoor Fan Speed Selection 90 Low Speed a Medium Speed e High Speed AUTOFAN Automatic Fan Speed Airflow Direction Control AUTO Automatic Airflow Direction Control MANUAL Airflow Direction Manual Control POWERFUL Powerful Mode Operation OFF ON ECONOMY Economy Mode Operation OFF ON TEMP POWERFUL C Panasonic Room Temperature Setting Temperature Setting 16 C to 30 C Automatic Operation A HI AUTO Lo 2 C higher than standard Standard 2 C lower than standard ON TIMER OFF TIMER TIMER SET CANCEL SLEEP Timer Operation Selection 24 hour OFF ON Real Timer Setting Time Timer Setting Hours and minutes setting Timer Operation Set Cancel ON Timer and OFF Timer setting and cancellation Clock Setting Current time setting Sleep Mode Operation OFF ON CS C73KE Functions Indoo
12. 4 40 4 sec 2 2 2 m Cooling 70 Sec 7 Sec FAN SPEED AIR SWING TIMER TIMER 20 sec 2 sec M ys Deodorizing Control 4 4 4 4 swe J B 9 180 sec 18 sec e lt lt OPE AIR SWING Soft Dry 40 sec 4 sec Fo mE t 360 36 x 7 3 ON SHORT A 5 min 30 sec Comp ON 5 min and above L L Comp Fan motor Delay Timer 1 6 sec 0 sec SLo Timer 8 sec 8 sec Intake Air Anti Freezing Prevention 16 min 96 sec POWERFUL MODE 15 min 15 sec Random FM Timer ECONOMY Mode 5 sec 5 sec Random Auto Restart Control 0 150 sec 0 sec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 47 18
13. YELLOW RED 40980 ma 331 00 OUTDOOR UNIT 1 2 FUSE TERMINAL 102 C B GRY YELLOW Resistance of Compressor Windings i Ec MODEL CU C73KE CU C93KE CU C123KE CAPACITOR BLUE BED CONNECTION 2RS110D5CA04 2PS146D5BA04 2KS224D5CA02 ag BRAND MARK 4 4 85 CL MCA CR 5 382 0 3 941 0 22110 58 3 C S 5 328 0 3 499 0 2 924 Q m COMPRESSOR CAPACITOR 15 Operation Details CS C73KE 1 Cooling Mode Operation Cooling in operation according to Remote Control setting Time Delay Safety Control 3 minutes When the compressor is stopped by Power Switch or Remote Control it restarts after 3 minutes when the Power Switch or Remote Control is turned ON When the setting temperature is reached during cooling operation the compressor stops and it will not start for 3 minutes 7 minutes Time Saved Control The compressor will start automatically if it has stopped for 7 minutes even if the room temperature is below the compressor ON temperature Starting Current Control When the compressor outdoor fan motor 8 indoor fan motor are simultaneously started the indoor fan motor will operate 1 6 second later Anti Freezing Conirol f the temperature of the indoor heat exchanger falls continously below 2 C for 4 minutes or more the compressor turns off to protect the indoor heat exchanger from freezing The fan speed setting remains the same C
14. indoor unit Heat radiation ciency of the outdoor unit Inefficient compression 7 e Carry out the measurements of pressure electric current and temperature fifteen minutes after operation is started 2 Diagnosis methods of a malfunction of a compressor Nature of fault Symptom e Electric current during operation becomes approximately 20 lower than the normal value Insufficient compressing of a e The discharge tube of the compressor becomes abnormally hot nor compressor mally 70 to 90 C e The difference between high pressure and low pressure becomes almost zero e Electric current reaches a high level abnormally and the value exceeds the imi reaker turns off Locked compressor limit of an ammeter In some cases a breaker turns e The compressor has humming sound _ 38 Lu x oe 2 Technical Data B Thermostat characteristics C123KE C93KE CS CS C73KE CS Soft Dry Cooling 5 S i8 5 gt FO o z Eg o 9 8 Onn 24 26 28 30 Thermostat Setting Remote Control f 4 TETA phas n acm E S uus 1 1 4 MEME m got Om e e N A gt exeiu
15. 15 VH 3 uo PHA C16 15 GREEN 2 I a GREEN A438LM31A02T a id AIR TEMP SENSOR CN TH ix GT 10 mas 51 108 g 15k 3950 Ky R41 0 165 wk T Fig 5 10 9 7 A52A2003GR2 4 STEPPING MOTOR DRIVE I C22 H PIPE TEMP SENSOR 11 6 104 20k 3950 o lt T 601 FT 12 A 5 b 13 4 x1 8MHz 27pF X 2 14 3 BZ dg CS C93K CWA 12344 15 2 R23 On oO ik YY FAN MX 5 MOTOR CN STM m i o MOL swe 2 iS gt PUMP DOWN 10 1 2 2 GND R12 R13 T a 10k 0 01 10k I 7 5 5 zh CHECK PIN AIR SWING 265 SW3 5 MOTOR AUTO R15 cio 1 814 10k gt 0 01 3 SS SS ______ ______ ______________ ________ 20 40 60 80 100 120 140 CS C73K C93K C123K CS C73K C93K C123K CS C73K C93K C123K CS C73K C93K C123K eee ELECTRONIC CIRCUIT DIAGRAM PRINT PATTERN PRINT PATTERN
16. 4 Drain Inner diameter mm 12 Hose Length m 0 7 Power Cord Length 2 0 Number of core wire m 3 1 0 mm Dimensions Height inch mm 10 31 32 279 18 29 32 480 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 7 15 32 190 9 21 32 245 Net Weight kg 20 9 0 64 29 0 Compressor Rotary 1 cylinder Type rolling piston type Motor Type B Induction 2 poles Rated Output 700 Air Circulation Type Cross flow Fan Propeller Fan Material AS Glass Fiber 30 AES Glass Fiber 16 Motor Induction 4 poles Induction 6 poles Input 35 5 33 0 54 7 47 9 Rated Output 15 20 Fan Low rpm 925 Speed Medium rpm 995 High rpm 1 185 685 Product Specifications CS C73KE Unit 5 CU C93KE Heat Description Evaporator Condenser Exchanger Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Louver Fin Row Stage Plate fin configuration forced draft 2x14 1x18 21 17 Size W x H x L mm 614 x 294 x 25 4 856 x 457 2 x 22 Refrigerant Control Device Capillary Tube SUNISO 4GDID Refrigeration Oil c c ATMOS M60 320 Refrigerant R 22 g 02 760 26 8 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Length mm 1 040 Capillary Tube Flow Rate 2 min 9 0 Inner Diameter mm 1 5 NE Material P P Ar Piter
17. Refrigerant R 22 g oz 645 22 8 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Length mm 450 Capillary Tube Flow Rate 2 min 7 9 Inner Diameter mm 1 2 ec Material Style Honeycomb Capacity Control Capillary Tube Compressor Capacitor uF VAC 20 uF 370VAC Fan Motor Capacitor uF VAC 1 5 uF 400VAC 1 2 uF 400VAC Specifications are subject to change without notice for further improvement CS C73KE Product Specifications Unit CS C93KE CU C93KE kW 2 75 2 65 Cooling Capacity Btu h 9 390 9 050 Uh 1 6 Moisture Removal Pint h 34 Ph Singl Power Source v Cycle 50 Airflow Method OUTLET SIDE VIEW uu d INTAKE aAa L f Air Volume Indoor Air Lo m3 min cfm 6 8 240 Indoor Air Me m min cfm 7 3 260 Indoor Air Hi m3 min cfm 8 7 310 Outdoor Air m min cfm 22 2 780 Noise Level dB A High 37 36 Low 30 28 High 47 46 Electrical Data Input 800 770 Running Current A 3 5 3 6 COP W W 3 44 3 44 Starting Current A 16 4 Piping Connection Port inch G Half Union 3 8 G 3 way valve 3 8 Flare piping inch L Half Union 1 4 L 2 way valve 1 4 Pipe Size inch G gas side 3 8 G gas side 3 8 Flare piping inch L liquid side 1 4 L liquid side 1
18. Style Honeycomb Capacity Control Capillary Tube Compressor Capacitor uF VAC 30 uF 370VAC Fan Motor Capacitor uF VAC 1 5 uF 400VAC 1 2 uF 400VAC Specifications are subject to change without notice for further improvement CS C73KE Product Specifications Unit CS C123KE CU C123KE kW 3 65 3 52 Cooling Capacity Btu h 12 500 12 000 Uh 241 Moisture Removal Pint h 44 Ph Singl Power Source v Cycle 50 Airflow Method OUTLET SIDE VIEW uu d INTAKE aAa L f Air Volume Indoor Air Lo m3 min cfm 7 4 260 Indoor Air Me m min cfm 8 0 280 Indoor Air Hi m3 min cfm 9 0 290 Outdoor Air m min cfm 32 2 1130 Noise Level dB A High 39 39 Low 34 33 High 49 48 Electrical Data Input Ww 1 190 1 150 Running Current A 5 3 5 4 COP W W 3 07 3 06 Starting Current A 26 Piping Connection Port inch G Half Union 1 2 G 3 way valve 1 2 Flare piping inch L Half Union 1 4 L 2 way valve 1 4 Pipe Size inch G gas side 1 2 G gas side 1 2 Flare piping inch L liquid side 1 4 L liquid side 1 4 Drain Inner diameter mm 12 Hose Length m 0 7 Power Cord Length 2 0 Number of core wire m 3 1 0 mm Dimensions Height inch mm 10 31 32 279 21 1 4 540 Width inch mm 31 15 32 799 27 17 32 699 Depth
19. on the Main Conirol P C B Simply press the pumping down button if it is equipped So that the unit can be operated Immediately set the 3 way valve to the closed position e Do this quickly so that the gauge ends up indicating 0 1 MPa 1 kg cm G to 0 3 MPa 3 kg cm G 8 Use refrigerant reclaiming equipment to collect refrigerant from indoor unit and pipes 9 Disconnect the charge set and mount the 2 way and 3 way valve s stem caps and the service port caps e Use a torque wrench to tighten the service port cap toa torque of 18 Nem e Be sure to check for gas leakage 10 Disconnect pipes from indoor unit and out door unit 7 CS C73KE 3 Evacuation of Re installation WHEN RE INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure If air remain in the indoor unit and refrigeration pipes it will affect the compressor reduce to cool ing capacity and could lead to a malfunction Indoor unit Liquid side Ges ME C n RB Vacuum pump Outdoor unit 2 way valve Closed Procedure 1 Connect a charging hose with a push pin to the Low side of a
20. pressed again Stopped by ON OFF switch Timer off activates Powerful mode button is pressed Auto or Manual air swing button is pressed spi Operation Details CS C73KE Fan Speed control button is pressed Sleep mode button is pressed ON Operation mode is changed 8 Random Auto Restart Control e If there is a power failure operation will be automatically restarted after 3 to 5 1 2 minutes when the power is resumed It will start with previous operation mode and airflow direction Restart time is decided randomly using 4 parameter Intake air temperature setting temperature fan speed and Air Swing Blade position Auto Restart Control is not available when Timer or Sleep Mode is set This control can be omitted by open the circuit of J X 1 Refer Circuit Diagram 9 Indoor Fan 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 Manual Fan Speed Cooling Mode Normal Random Speed Powerful Economy Auto Fan Speed Normal Powerful Economy Soft Dry Mode Normal Powerful Economy Air Circulation Mode Normal Powerful Economy Can setting by Remo
21. 1 1 vt 1 1 1 1 1 1 1 1 1 1 1 1 1 o 1 D 1 1 1 1 1 1 1 1 5 1 E 1 lt 1 i 1 1 e m H 1 m gt 1 l O 1 1 1 a 1 1 1 o 1 1 B 1 1 1 h gt LI 1 QN o mone ai A amp MX Aoedeg buooo 4 Outdoor temperature 35 34 C Cooling opeartion At High fan Cooling operation At High fan Condition Room temperature 27 19 C Piping length 7 5 m 39 CS C73KE Technical Data Operation characteristics CS C93KE CU C93KE e Cooling Characteristic Piping Length Characteristic 230V 230V gt 220V 220V zu s 16 15 SS 15 E E 14 Zorr 14 3 92 m i 9 3 0 o ee 8 gt 30 8 OD 28 oa g 8 1 SE id SE 4
22. 1 MPa 1 kg cm G If this is the case it will not be necessary to apply a evacuation e Discharge the refrigerant gradually if it is discharged too suddenly the refrigeration oil will also be dis charged 5 Turn on refrigerant reclaiming equipment 30 CS C73KE 5 Evacuation No refrigerant in the refrigeration cycle Liquid side Outdoor unit 2 way valve Gas side Vacuum pump D Procedure 1 Connect the vacuum pump to the charge set s centre hose 2 Evacuation for approximately one hour e Confirm that the gauge needle has moved toward 0 1 MPa 76 cmHg vacuum 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 e Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed 31 6 Gas charging After Evacuation CS C73KE Indoor unit Liquid side Outdoor unit 2 way valve Gas side Check valve
23. 2 3 m OUTDOOR UNIT e awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over the rated length additional refrigerant should be added as shown in the table Piping size Max Max Piping Elevation Length Additional Refrigerant Gas Liquid m m g m C73KE C93KE 3 8 1 4 10 10 C123KE 1 2 1 4 k 15 10 24 CS C73KE Installation Information Indoor Outdoor unit installation diagram Length of power supply cord Piping direction Right Front side Right gt rear eft ZR Left Right bottom rear bottom Attention not to bend up drain hose X about 1 1 m about 1 8 m 8 Installation parts you must purchase X Installation plate 1 Sleeve X Bushing Sleeve X Putty Gum Type Sealer X Bend the pipe as closely on the wall as possible but be careful that it doesn t break Air purifying filter Left and right are identical Insulation of piping connect
24. 4 2801 H Pin connection X To outdoor unit Service Service port port cap Works Shaft Position Shaft Position Service Port Shipping Close Closed Closed With valve cap With valve cap With cap Evacuation Installation and Closed Closed Open Re installation Counter Clockwise Clockwise Push pin Operation Open Open Closed With valve cap With valve cap With cap Pumping down Closed Open Open Transferring Clockwise Counter clockwise Connected manifold gauge Evacuation Open Servicing Open Open With vacuum pump Gas charging Open Servicing Open Span With charging cylinder Pressure check Open Servicing Open Open Connected manifold gauge Gas releasing Open Servicing Open Open Connected manifold gauge 26 CS C73KE 1 Evacuation of Installation WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure If air remain in the indoor unit and refrigeration pipes it will affect the compressor reduce to cool ing capacity and could lead to a malfunction Indoor unit Liquid side Outdoor unit 2 way valve Closed Gas side e 3 way valve OPEN C ho Vacuum pump m BON o
25. A 12 Piping Connection Port inch G Half Union 3 8 G 3 way valve 3 8 Flare piping inch L Half Union 1 4 L 2 way valve 1 4 Pipe Size inch G gas side 3 8 G gas side 3 8 Flare piping inch L liquid side 1 4 L liquid side 1 4 Drain Inner diameter mm 12 Hose Length m 0 7 Power Cord Length 2 0 Number of core wire m 3 1 0 mm Dimensions Height inch mm 10 31 32 279 18 29 32 480 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 7 15 32 190 9 21 32 245 Net Weight Ib kg 20 9 0 57 26 Compressor Rotary 1 cylinder Type rolling piston type Motor Type Induction 2 poles Rated Output 500 Air Circulation Type Cross flow Fan Propeller Fan Material AS Glass Fiber 30 AES Glass Fiber 16 Motor Induction 4 poles Induction 6 poles Input 29 0 27 0 54 7 47 9 Rated Output 10 20 Fan Low rpm 835 Speed Medium rpm 945 High rpm 1 055 685 Product Specifications CS C73KE Unit CS C73KE CU C73KE Heat Description Evaporator Condenser Exchanger Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Louver Fin Row Stage Plate fin configuration forced draft 2x14 1x18 21 17 Size W x H x L mm 614 x 294 x 25 4 856 x 457 2 x 22 Refrigerant Control Device Capillary Tube SUNISO 40010 Refrigeration Oil c c ATMOS M60 260
26. ELLER FAN 1 CWHS6053 31 CABINET SIDE PLATE RIGHT 1 CWE04217A 32 CABINET SIDE PLATE LEFT 1 CWE04220A 33 CABINET FRONT PLATE 1 CWEO6K104A 34 HANDLE 1 CWE16037C 35 CONTROL BOARD COVER 1 CWH13461 36 PLATE FOR C B COVER 1 CWD91258 37 CABINET TOP PLATE 1 CWEOS111A Note e All parts are supplied from MACC Malaysia Vendor Code 086 e O marked parts are recommended to be kept in stock 46 CS C73KE Electronic Parts List lt Model CWA741351 SYMBOL DESCRIPTION amp NAME PART NO SH CAPACITOR A31698 DB1 DIODE A54CS1VB20E FUSE FUSE XBA2C31TRO 04 INTEGRATED CIRCUIT A52C040 IC5 INTEGRATED CIRCUIT A52C094 RY Hi RY M RY SHi ELECTRO MAGNETIC RELAY A00160 RY PWR ELECTRO MAGNETIC RELAY A00106 SSR 1 TYRISTOR A56W2DEH1 5 swe SW3 PUSH SWITCH 01059 Ti TRANSFORMER A40366 TEMP FUSE FUSE A16C204 ZNR1 ZNR2 DIODE ERZVEAV511 Note e All parts are supplied from MACC Malaysia Vendor Code 086 MACC Printed in Malaysia cT P990103000CT CS C73K C93K C1233K CS C73K C93K C123K CS C73K C93K C123K CS C73K C93K C123K ELECTRONIC CIRCUIT DIAGRAM e CS C73KE CU C73KE e CS C93KE CU C93KE Fig 1 Fig 2
27. Fig 7 35 CS C73KE Servicing Information e Remote Control Reset Reset terminal 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 are installed in the same room in order to prevent operating errors caused by using two remote controls set up the remote control B A switch SW1 Remote Controller The unit is set to A when it is shipped Remote Control e By adding a jumper wire to the remote control side and a carbon resistor 1 4 W 10 kQ to the indoor printed circuit board it is possible to select from 4 types of transmission codes including the condition at time of delivery condition 1 Remote control Indoor printed circuit board Note Switch SW B lt gt A Switch SW1 RX A A At product delivery B B A Jumper wire A B B Jumper wire 36 CS C73KE Troubleshooting Guide Refrigeration cycle system In order to diagnose malfunctions make sure that Normal Pressure and Outlet Air Temperature Standard there are no electrical problems before inspect ing the refr
28. IVE a RELAY DRIVE 4 1 He 3i nor ne sea SIGNAL Fig OLP Characteristics 2 L 3 sem P53 DISPLAY oiu T BLUE Com ressor 6 4 ZNR1 5 Pe NC P22 SCK1 d 510 BLUE ps p ADALNKOTTTB MNA RY M CAPACITOR 4 6 P55 3 7 P21 SO1 TIMER 289 BO 2 R36 J YELLOW Pa 5 3309 64 55 GROUND AUTO RESTART P20 SI1 67 FAN MOTOR SLEEP ies JX1 4 Soy Q5 P56 POWER 4 Qi cs n OFF ON gt 837 DISPLAY DC114EKTX 0 0221 3300 57 019 POWER CLOCK 26 AVdd 7110p So TH CR1 iey T 0 01u GENERATOR 1 REMOTE CONTROL NO pE m b 1209 0 022 SW RXi 7 AUTO OPERATION AN17 at i CS C73K CWA 12343 CR2 S SC ON P61 BUMP DOWN ANE L HM FUSE 3 SHORT REMOTE CONTROL i 3 15 4 SHORT 29 P62 COMMAND INPUT ANIS ta n 201 1 RED 5 POWER CLOCK INPUT 7 5EL1 CR3 CAPACITOR 4 30 TIMER SHORTEN PIPE TEMP R3 Q2 1200 0 0224 R30 ona 10k 25 2412 m t t 24k 81 STEPPING 8 MHz INTAKE AIR TRMPL T T RESET SIGNAL DRIVE z s g ose 85 1200 0022 IT 7 mM ces Lio o b GENERATION 13k E i 26 1k 515 S gt e 5 8 8 c L 21 7 0 7 R32 L c7 i n Dan 69 du a5 Soe i 0 3 C FM 15 400V 20 40 60 100 120 140 i OOO 7 00
29. Lo Indoor Fan rotates at 4 second intervals at low speed Cooling Operation Time Diagram abcdefghijklmnopqrstuvwxyz ON Intake Temperature OFF L LA Set Temp 10 C Pipe temperature 2 C ATi T 3 7 4 Basic Time e us 222222 E eC 22222 22 222282422222 222222222222 Indoor Fan 2222222 222222222222 222222222 222222222222 2 2 2222222222 Outdoor Fan 22 22222 A AE ZZ ZZ Bese 7 Operation LED 222222222222222222222 lt Description of operation gt d g Time Delay Safety Control waiting for 3 minutes g h 60sec Forced Operation h o 7 min Time Saved Control q t Anti Freezing Control 17 Operation Stop CS C73KE Operation Details 2 Soft Dry Mode Operation The unit starts cooling operation until the room temperature reaches the setting temperature set on the Remote Control and then Soft Dry operation will start During Soft Dry operation the Indoor Fan will operate and stop at 4 second intervals at low speed The operation will be switched on and off for up to 10 minutes ON and 6 minutes OFF Once Soft Dry opera tion is turned off it stops for 6
30. NT CWH56000 lt 11 CONDENSER 1 CWB32C323 CWB32C119 12 HOLDER COUPLING ASS Y 1 CWH35K017A lt 13 3 WAY VALVE 1 CWB01438 lt 14 2 VALVE 1 CWB02277 lt 15 TUBE ASS Y STRAINER CAPILLARY 1 CWT01C589 CWT01C590 16 SOUND PROOF BOARD 1 CWH15266 lt 17 OVERLOAD PROTECTOR 1 CWA67C2069 CWA67C2070 18 HOLDER O L P 1 CWH7041200 lt 19 TERMINAL COVER 1 CWH17006 lt 20 NUT TERMINAL COVER 1 CWH7080300 21 CONTROL BOARD 1 CWH10881 lt 22 TERMINAL BOARD ASS Y 1 CWA28K217 lt 23 CAPACITOR COMPRESSOR 1 CWA31645 CWA31647 O 20 UF 370 V 30 UF 370 V 24 HOLDER CAPACITOR 1 CWH30057 lt 25 CAPACITOR FAN MOTOR 1 CWA31342 lt 1 2 400 V 26 FUSE HOLDER 1 XCSCWO11 4 O 27 FUSE 1 XBA2C31TRO lt 28 CABINET ASS Y 1 29 CABINET FRONT PLATE 1 CWE06C117A 30 CONTROL BOARD COVER 1 CWH13302 lt 31 HANDLE 1 CWE16037C lt 32 1 CWB11025 lt Note e All parts are supplied Malaysia Vendor Code 086 O marked parts are recommended to be kept in stock 44 Lu x foe p Exploded View CU C123KE skoene bees 4 1 MW MWY W The above exploded view is for the purpose of parts disassembly and replacement T
31. OF Qe Og 26 EB 9 Re T 2 26 ee 4 lt r E 24 Pal 8 Mog 24 g 0 60 2 0 60 2 ao al a 055 8 L 055 9 0 50 050 E _ 40 jii _ 40 5 35 2 gt 35 9 5 30 e 5 3 0 hig 25 2 us 25 32 34 36 38 40 42 44 0 5 10 OUTDOOR ROOM TEMPERATURE PIPING LENGTH m Condition Room temperature 27 19 C Condition Room temperature 27 19 C Cooling operation At High fan Outdoor temperature 35 34 C Piping length 7 5 m Cooling opeartion At High fan CS C123KE CU C123KE Cooling Characteristic Piping Length Characteristic 230V 230V 220V 220V 15 14 Ss ie 13 15 12 14 13 lt o os i 12 9 g 9 gt 5 5 T gt 3 8 X 5 5 8 5 amp 36 IE 8 5 4 domi vim 8 M 8 3 2 4 3 2 g 055 2 0 50 8 050 5 SS 0 45 3 045 0 40 c o _ 60 2 89 2 55 2 lt 55 2 5 5 0 5 50 kel E 4 5 9 5 45 a 2 msc 21 ji O 30 32 34 36 38 40 42 44 0 5 10 15 OUTDOOR ROOM TEMPERATURE C PIPING LENGTH m Condition Room temperature 27 19 C Condition Room temperature 27 19 Cooling operation At High fan Outdoor temperature 35 34 C Piping length 7 5 m Cooling opeartion At High fan 40 Lu
32. OR 1 CWA98260 lt lt 18 LEAD WIRE AIR SWING MOTOR 1 CWA67C2106 lt lt 19 CAP FOR DRAIN TRAY 1 CWH52C003 lt lt 20 HORIZONTAL VANE 1 CWE24462 lt lt 21 CONTROL BOARD 1 CWH10965 lt lt 22 POWER SUPPLY CORD 1 CWA20C751 lt lt 23 SLIDE SWITCH 1 CWA04088 lt lt 24 ELECTRONIC CONTROLLER 1 CWA741351 lt 25 RECEIVER 1 CWA74919 lt lt 26 INDICATOR COMPLETE 1 CWA741376 pm lt 27 LEAD WIRE INDICATOR 1 CWA67C2105 lt lt 28 TERMINAL BOARD 1 CWA28C577 lt CWA28C578 29 INDICATOR HOLDER 1 CWD931018 lt lt 30 TEMPERATURE SENSOR 1 CWA50C608 lt lt 31 CONTROL BOARD FRONT COVER 1 CWH13456 lt 4 32 CONTROL BOARD TOP COVER 1 CWH13457 lt lt 33 REMOTE CONTROL COMPLETE 1 CWA75C724 lt lt 34 REMOTE CONTROL HOLDER 1 CWH36161 lt lt 35 FRONT GRILLE COMPLETE 1 CWE11C978 lt lt 36 INTAKE GRILLE COMPLETE 1 CWE22C333 lt lt 37 DECORATION BASE COMPLETE 1 CWE35C023 lt lt 38 TAB 2 CWD931020 lt lt 39 AIR FILTER 2 CWD00240 lt lt 40 GRILLE DOOR 1 CWE14236 lt lt 41 SCREW FOR FRONT GRILLE 2 XTN4 16C lt lt 42 CAP FOR FRONT GRILLE 2 CWH52267 lt lt 43 DRAIN HOSE 1 CWH5880580 lt lt 44 OPERATING INSTRUCTIONS 1 CWF561591 lt lt ENG SPA GER FRA NED ITA 44a OPERATING INSTRUCTIONS POR GRK 1 CWF561591A lt lt 44b OPERATING INSTRUCTIONS RUSSIAN 1
33. ORDER NO MAC9810034C2 Service Manual Room Air Conditioners CS C73KE CU C73KE CS C93KE CU C93KE CS C123KE CU C123KE e CHEF a Contents gy FEAU ES ii 1 e FUNCHON S EEEE 2 4 ee A Product Specifications 5 10 _ Dimensions sss 11 12 ES e Refrigeration Cycle Diagram 13 14 e Wiring Diagram seee 15 SSS e Operation 16 23 2 Installation Information 24 25 SS e 2 way 3 way 26 32 i e Servicing Information 33 36 e Troubleshooting Guide 37 38 Technical 39 40 s Exploded 41 43 45 e Replacement Parts List 42 44 46 e Electronic Parts 47 1998 Matsushita Air Conditioning Corp Sdn Bhd 183914D m All rights reserved Unauthorized copying and distribu tion is a violation of law CS C73KE WARNING This service information is designed for experienced repair technician
34. charging set and the service port of the 3 way valve e 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 switch of the vacuum pump make sure that the needle in the gauge moves from 0 MPa 0 cmHg to 0 1 MPa 76 cmHg Then evacuate the air for approximately ten minutes 4 Close the Low side valve 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 5 Disconnect the charging hose from the vacuum pump 6 Charge the pipes and indoor unit with gas refriger ant from 3 way valve service port and then dis charge the refrigerant until low side gas side gauge needle indicates 0 3 MPa 3 kg cm 29 7 Tighten the service port cap at torque of 18N m with a torque wrench 8 Remove the valve caps of the 2 way valve and the 3 way valve Position both of the valves to open using a hexagonal wrench 4 mm 9 Mount valve caps onto the 2 way and 3 way valves e BE SURE TO USE REFRIGERANT RECLAIM ING EQUIPMENT WHILE DISCHARGING THE REFRIGERANT e Purge the air from charge set s centre hose e Be sure to check for gas leakage Caution If gauge needle does not move from 0 MPa 0 cmHg to 0 1 MPa 76 cmHg in step 3 ab
35. e right and left screws Fig 3 Then remove the control board by pressing down the hook at the left and press up the right hook Fig 3 Left hook Screw press down remove right hook Sia press up remove Fig 3 33 CS C73KE Servicing Information 2 Remove the Fan Motor by Fan motor connector Release the fan motor leadwire by pressing the hook at the center of the connector Fig 4 Then remove the particular piece that holding the fan motor by pressing the tab Fig 4 Estar piece Remove the discharge grille and then the drain hose Fig 4 Tab Fan motor Discharge grille Fig 4 Finally remove the fan motor by removing the screw Fig 5 To install back the Fan motor Please adjust the connector location REMINDER To reinstall the fan motor adjust the connector of the fan motor as Figure 5 Screw Fan motor Fig 5 34 CS C73KE Servicing Information e Cross Flow Fan Removal Procedure 1 Remove the control board and the fan motor by referring to the Indoor Fan Motor Removal Procedure Remove the evaporator screw Fig 6 Press the particular piece to loosen the evaporator Fig 7 Remove the bearing Fig 7 Push up the evaporator and take out the cross flow fan Fig 7 Evaporator screw Fig 6 Evaporator Push up evaporator Bearing Press the cross flow fan
36. ed at the mode determined c After the operation 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 Cooling Soft Dry Higher gt 27 24 Standard gt 25 C 22 C Lower gt 23 C 20 C 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 Setting Temperature Standard T Coolin Intake Air 9 Cooling Mode 27 C Temperature 25 C Soft Dry Soft Dry Mode 24 C 20 CS C73KE Operation Details 5 Sleep Mode Auto Operation 6 7 Cooling Soft Dry Operation When you press the SLEEP Mode the following move ment will start to avoid overcooling Approx 0 5 C increase TEMP When the room temperature reaches the setting Approx 0 5 increase 7 temperature after 1 hour of operation sleep shift 8h operation starts and the airflow volume will automati ane n er cally change to low oe 1 hour ALDE ie starts stops automatically The setting temperature will be risen by 0 5 C at the 1 0 1 hour TIME start of operation and by 0 5 C one hour later Sleep Operation button is p
37. further improvement 10 CS C73KE Dimensions CS C73KE CS C93KE CS C123KE lt Front View gt JL Air intake direction S Left piping hole e Air outlet direction Side View Unit mm 190 FOE 2 5 Right piping hole lt Side View gt Remote control transmitter lt Back View gt 65 GAS SIDE E a LIQUID SIDE eg S TTT ATT Ji DRAIN PORT EN De i POWERFULO 425 48 Relative position between the indoor unit and the installation plate lt Front View gt Slot 2 places Centre notch Slot 2 places 40 710 16 5 Installation y a 550 P plate TC 7 9 OX m T 350 L 100 Indoor unit X Arrow ES E Right piping hole T d l E J A A 60 99 gt Left piping hole Dimensions CS C73KE CU C73KE CU C93KE 780 54 27 5 a A
38. he non numbered parts are not kept as standard service parts Note 45 Replacement Parts List CS C73KE lt Model CU C123KE NO DESCRIPTION amp NAME QTY CU C123KE REMARKS 1 CHASSY ASS Y 1 CWD50K658A 2 FAN MOTOR BRACKET 1 CWD54254 3 SCREW FAN MOTOR BRACKET 6 CWH55413 4 FAN MOTOR 1 CWA95378 O 5 SCREW FAN MOTOR MOUNT 4 CWH55252 6 COMPRESSOR 1 2KS224D5CA02 7 ANTI VIBRATION BUSHING 3 CWH50055 8 NUT COMPRESSOR MOUNT 3 CWH4582065 9 CONDENSER 1 CWB32C334 10 TUBE ASS Y STRAINER CAPILLARY 1 CWT01C647 11 HOLDER COUPLING ASS Y 1 CWH35K062 12 2 WAY VALVE 1 CWBO02514 13 3 WAY VALVE 1 CWBO01480 14 SOUND PROOF BOARD 1 CWH15288 15 SOUND PROOF MATERIAL 1 CWG30911 16 WIRE NET 1 CWD04197A 17 AIR GUIDER PROPELLER FAN 1 CWD31138 18 OVERLOAD PROTECTOR 1 CWA67C2166 19 HOLDER O L P 1 CWH7041200 20 TERMINAL COVER 1 CWH17006 21 NUT TERMINAL COVER 1 CWH7080300 22 CONTROL BOARD 1 CWH10972 23 TERMINAL BOARD ASS Y 1 CWA28K217 24 CAPACITOR COMPRESSOR 1 CWA31647 30 370 V 25 HOLDER CAPACITOR 1 CWH30057 26 CAPACITOR FAN MOTOR 1 CWA31227 1 5 400 V 27 FUSE HOLDER 1 XCSCW011 28 FUSE 1 XBA2C31TRO 29 PROPELLER FAN ASS Y 1 CWHO00K087 30 NUT PROP
39. igeration cycle Such problems include Gas pressure Outlet air MPa temperature insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various condi kg cm G C tions the standard values for them are shown in the Cooling mode 0 4 0 6 4 6 12 16 table to the right Condition Indoor fan speed High Outdoor temperature 35 C Difference in the intake and outlet i Normal Measuring the air temperature air temperatures More than 8 C difference 15 minutes after an operation is started gt SUID Less than 8 C at the cooling mode Value of electric Higher than specified z Eu a Dusty condenser e Measuring electric current g operation preventing heat radiation during operation Excessive amount A of refrigerant Lower than specified Gas side Cooling Mode High pressure 37 CS C73KE Troubleshooting Guide 1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit the
40. inch mm 7 15 32 190 11 7 32 285 Net Weight Ib kg 20 9 0 82 37 Compressor Rotary 1 cylinder Type rolling piston type Motor Type B Induction 2 poles Rated Output 1 100 Air Circulation Type Cross flow Fan Propeller Fan Material AS Glass Fiber 30 AES Glass Fiber 16 Motor Induction 4 poles Induction 6 poles Input W 35 5 33 0 72 0 68 0 Rated Output 15 25 Fan Low rpm 1 060 Speed Medium rpm 1 145 High rpm 1 280 785 Product Specifications CS C73KE Unit CS C123KE CU C123KE Heat Description Evaporator Condenser Exchanger Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Louver Fin Row Stage Plate fin configuration forced draft 2x14 1 x 20 21 18 Size W x H x L mm 614 x 294 x 25 4 782 9 x 508 x 22 Refrigerant Control Device Capillary Tube SUNISO 4GDID or Refrigeration Oil c c ATMOS M60 410 Refrigerant R 22 g oz 815 28 8 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Length mm 535 Capillary Tube Flow Rate L min 17 0 Inner Diameter mm 1 7 a Material P P Air Filter Style Honeycomb Capacity Control Capillary Tube Compressor Capacitor uF VAC 30 uF 370VAC Fan Motor Capacitor uF VAC 1 5 uF 400VAC 1 5 uF 400VAC Specifications are subject to change without notice for
41. ion Carry out insallation after checking for gas leaks e After securing with three of the vinyl Vinyl tape Wide X e Apply after carrying out a drainage test e To out the drainage test remove into the air filters 10cm or more 3 WIRE 1 5 mm Locally approved cable Additional drain hose X Gas side piping 1 2 1 4 Liquid side piping 5 tape 7 ith i vinyl si tape and pour water into the heat Vinyl tape 7 exchanger rm Saddle X e Ty le X CU C123KE IA CU C73KE Saddle X I Connecting cable CU C93KE SH Connecting cable 3 CORE WIRE 1 5 mm Locally approved cable Additional drain hose X 1 4 Liquid side piping Gas side piping 3 8 Vinyl tape X Narrow This illustration is for explanation purposes only The indoor unit will actually face a different way 25 2 way 3 way Valve CS C73KE 2 way Valve Liquid Side 3 way Valve Gas Side Parenut Hexagonal wrench 4 mm To Open position EE Closed position piping connection 7 To outdoor unit Valve cap Flare nut Open position Ax L Closed position To piping
42. izing control is available Airflow Direction Control Automatic air swing and manual adjusted by remote control for vertical airflow Manually adjusted by hand for horizontal airflow Starting Current Control Time Delay Safety Control Restarting is inhibited for appro 3 minutes Economy Operation To reduce electrical power consumption 7 Minutes Time Save Control Cooling Operation only CS C73KE Functions Outdoor Unit CU C73KE CU C93KE CU C123KE 1 99 1 pr 1 0 7 l 1 1 E r _ q S 0 E gt Panasonic E i Panasonic 46 M SS M E _ eS _ 2 DE M M y _ _ ld S I ELM uL L Hm i V SE 1 1 1 86 C n er 0 O M M1 2 SSS D M ES g
43. minutes Time Delay Safety Control Once the compressor stops it will not start for 3 minutes during Cooling operation Starting Current Control Same as Starting Current Control for Cooling Mode operation Anti Freezing Conirol Same as Anti Freezing Control for Cooling Mode operation For Soft Dry region 6 minutes waiting is valid during compressor stops Compressor Reverse Rotation Protection Control Same as Compressor Reverse Rotation Protection Control for Cooling Mode Operation For Soft Dry region 6 minutes waiting is valid during compressor stops Automatic Fan Speed Mode When Automatic Fan Speed is selected at Remote Control during Soft Dry Operation Fan speed rotates at SLo and Lo speed Deodorizing Control Slo Lo SLo Indoor Stop stop stop Fan Lu L lt 1 1 im 1 ON COMP DEF X SLo Indoor Fan rotates at 4 second intervals at low speed 18 CS C73KE Operation Details Soft Dry Operation Time Diagram abcdefghijkIimnopqrstuvy Intake Air Temperature 4 Cooling ON 1 5 C Cooling OFF Set Temp 1 0 Soft Dry Soft Dry OFF ON CA Indoor 10 Heat Exchanger Temp 2 C i 611 1 6 1 4 6 17 6 Basic Time E
44. nue working from step 3 If the leaks do not stop when the connections are retightened repair the location of the leak 27 2 Pumping down CS C73KE Indoor unit Liquid side Gas side Refrigerant Reclaiming Equipment CLOSE Outdoor unit 2 way valve il Closed gt 000 3 way valve AU om DU Il Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position e Remove the valve stem caps and confirm that the valve stems are in the opened position e Be sure to use a hexagonal wrench to operate the valve stems 2 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then con nect the charge set to the service port of the 3 way valve e Connect the charge hose with the push pin to the Gas service port 4 Air purging of the charge hose e Open the low pressure valve on the charge set slightly to purge air from the charge hose 5 Set the 2 way valve to the closed position 28 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 MPa 0 kg cm G If the unit cannot be operated at the cooling condition weather is rather cool short the Pumping Down pins
45. ompressor recommences when the indoor heat exchanger temperature rises to 10 C Recovery X minutes waiting of Time Delay Safety Control is valid for Cooling Operation Compressor Reverse Rotation Protection Control Indoor Heat Exchanger Temperature C 10 Compressor OFF f the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor heat exchanger is 2 5 C or less for 2 minutes compressor will stop and restart automatically Time Delay Safety Control is valid Compressor starts for 5 minutes AT x 2 5 C for 2 minutes T Intake air temperature Indoor heat exchanger temperature gt Compressor OFF zp Compressor restarts 3 minutes waiting This is to protect reverse rotation of the compressor when there is a instantaneous power failure 16 CS C73KE Operation Details Automatic Fan Speed Mode When Automatic Fan Speed is selected at Remote Control during cooling operation Fan speed rotates in the range of Hi to Me Deodorizing Control Indoor 40 30 20 i 160 149 lt 149 40 X 1 Fan Speed is Hi until the compressor stops when the room temperature reaches setting temperature X 2 Fan Speed is Me after the compressor restarts X S
46. onditioner turn off the air condi tioner before disconnecting the hose 5 Mount the valve stem caps and the service port cap e Use torque wrench to tighten the service port cap to a torque of 18 N m e Be sure to check for gas leakage 32 CS C73KE Servicing Information Tabs Tab z Release hooks e Inspection points for the Indoor Electronic Controller ee NS 1 The Electronic Controller a signal Receiver and an Indicator Fig 2 can be seen by the below steps Remove the 2 caps and 2 screws at the bottom of the front grille Fig 1 Remove the front grille by releasing the 2 hooks V at the top of the front grille Fig 1 Control Board Cover Remove the control board cover by releasing Remove 2 caps and 2 screws the 2 tabs at left 1 tab on top and 2 more tabs at Fig 1 right side of the control board cover Fig 1 Electronic Controller 2 To remove the Electronic Controller release the hook that holding the electronic controller Fig 2 Intake Ar CN C GRN Hook e Indoor Fan Motor removal procedure ovem Earth Wire 1 Remove the control board by Screw CN STM Releasing CN C GRN connector Releasing CN FM GRN connector Fig 2 Piping Releasing CN STM connector Sensor Remove the earth wire screw Release the intake air sensor Release the piping sensor Signal Indicator Receiver Fig 2 Remove th
47. ove take the following measures If the leaks stop when the piping connections are tightened further continue working from step 3 If the leaks do not stop when the connections are retightened repair the location of the leak CS C73KE 4 Balance refrigerant of the 2 way 3 way valves Lack of refrigerant in the refrigeration cycle MUROS Liquid side Outdoor unit 2 way valve Open Gas side 3 way valve C C Refrigerant Reclaiming Equipment Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position 2 Connect the charge set to the 3 way valve s service port e Leave the valve on the charge set closed e Connect the charge hose with the push pin to the service port 3 Connect the charge set s centre hose to refriger ant reclaiming equipment e 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 cm G to 0 1 MPa 1 kg cm G e 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 cm G discharge the refrigerant until the gauge indicates 0 05 MPa 0 5 kg cm G to 0
48. pressed the automatic airflow is released and the airflow direction louver move up and down in the range shown in the diagram Lower limit for ae ae be ners by pressing the button Sooling the desired louver position Soft Dry Mode 36 e When the remote control is used to stop the opera tion the discharge vent is closed with airflow Lower limit for Air Circulation Mode direction louver The louver can be adjusted with in a range of Manual Airflow Direction Selection Button is pressed X The left and right airflow direction louvers can be djusted manually 11 Delay ON Timer Control S When the Delayed ON Timer is set by using the remote control the unit will start operate slightly before the set time so that the room will reach nearly to the set temperature by the desired time For Cooling and Soft Dry mode the operation will start 15 minutes before the set time For Automatic mode the indoor fan will operate at Lo speed for 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 12 Remote Control Signal Receiving Sound e Peep sound Long will be heard when Stopping the Air Conditioner using ON OFF switch Stopping the Sleep Mode Stopping the Powerful Mode Stopping the Economy Mode e Pep sound Short will be heard for others e To switch off the peep
49. r Unit POWER D Power Switch OFF ON Random Auto Restart Control AUTO Operation is restarted randomly after power OFF ON failure at previous setting mode Auto Operation Button Used when the remote control cannot be Anti Freezing Control used Anti Freezing control for indoor heat exchanger Cooling and Soft Dry Remote Control Signal Receiving Sound Sleep Mode Auto Control It can be controlled by pressing Auto Indoor Fan operates at low speed Operation Button for 10 seconds Operation stops after 8 hours TEST RUN OFF ON Operation Test Running Pump Down Switch Used when test running or servicing Operation Indication Lamps LED POWER Lights up in operation blinks in Automatic Operation Mode judging Lights up in Sleep Mode Operation Lights up in Timer Setting POWERFUL Orange Lights up in Powerful Mode Operation e ECONOMY Green Lights up in Economy Mode Operation SLEEP Orange TIMER Orange Operation Mode Cooling Soft Dry Air Circulation and Automatic Mode Powerful Operation Reaches the desired room temperature quickly 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 Deodor
50. ressed Sleep The operation will stop after 8 hours Powerful Mode Operation Purpose of this operation is to obtain the setting temperature quickly When the Powerful Mode is set the set temperature will be automatically decreased 3 C against the present setting temperature This operation automatically will be running under Super High Fan speed Vertical Airflow Direction In setting the vane will automatically shift down 10 lower than previous setting n Auto setting the vane will automatically swing up and down 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 Economy Mode Operation Purpose of this operation is to save or reduced electrical power consumption of the room air conditioner When the Economy Mode is set the set temperature will be automatically increased 0 5 C against the present setting temperature This operation automatically will be running under Random Fan speed Refer operation detail no 9 Vertical Airflow Direction In manual or Auto setting the vane will automatically change to Auto Air Swing Economy Mode will stop if Economy mode button is
51. s e Ma se E EE 222222 Compressor 22 222222 FEE ES B Indoor Fan SLofSlo SLoiSLo 66 So 51015101510 2258 slo BA 22222082 Outdoor Fan 222222 A A 2222 2222222222222 Operation LED gt gt 2 lt Description of operation gt a c p r Cooling Operation Soft Dry Operation ES Operation e f Soft Dry OFF j l 60sec Forced Operation Stop q t Anti Freezing Control 19 CS C73KE Operation Details 3 Air Circulation Mode Operation When the temperature near the ceiling reaches the setting temperature Air Circulation Mode operation commences at low airflow volume It stops when the temperature drops to 2 C below the setting temperature Air Circulation Mode Operation Time Diagram a b C d e ON 5 Setting Temp o 2 C g Compressor RS FE Lo E Indoor Fan uS REE E Operation Outdoor Fan Stop Operation Ecl cs Indication LED pop 4 Automatic Mode Operation Standard for Determining Operation Mode Setting Temperature Standard T Cooling Mode o Intake Air 9 Cooling Mode 25 C Temperature 23 C Soft Dry Mode Soft Dry Mode 22 C a Indoor fan operates at Lo fan speed for 20 seconds b After judging indoor air temperature the operation mode is determined and operation continu
52. s only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite be assured of no refrigerant leakage during the installation or repairing of refrigeration circuit Features High Efficiency Quality Improvement Gas leakage protection e Compact Design Prevent compressor reverse cycle 2 stage OLP to protect compressor Comfort Enviroment 8 hours of sleep mode operation Air purifying filter with deodorizing function to reduce dust smoke and odours Service Improvement Easy fan motor replacement procedure Operation Improvement Auto Restart to reduce electrical power consumption Powerful mode to reaches the desired room temperature quickly Autorestart at random operation after power failure Removable and Washable Long Installation Piping Front Panel CS CU C73KE CS CU C93KE long piping up to 10 meter CS CU C123KE long piping up to 15 meter Functions CS C73KE Remote Control OFF
53. se UL iln p Procedure 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of a 3 way valve e sure to connect the end of the charging hose with the push pin to the service port 2 Connect the centre hose of the charging set to a vacuum pump 3 Turnonthe power switch of the vacuum pump and make sure that the needle in the gauge moves from 0 MPa 0 cmHg to 0 1 MPa 76 cmHg Then evacuate the air for approximately ten minutes 4 Close the Low side valve 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 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port cap at a torque of 18 with a torque wrench 7 Remove the valve caps of the 2 way valve and the 3 way valve Position both of the valves to open using a hexagonal wrench 4 mm 8 Mount the valve caps onto the 2 way and 3 way valves e sure to check for gas leakage Caution If gauge needle does not move from 0 cmHg to 76 cmHg in step 3 above take the following measures If the leaks stop when the piping connections are tightened further conti
54. sound press the Auto Operation Button continuously for 10 seconds or more Repeat the above if you want switch ON the beep sound or switch OFF and ON back the power switch at the indoor unit X However if the Auto Operation Button have been pressed the Automatic cooling operation will be activated If you do not require this operation you may change it by using the remote control p CS C73KE Installation Information Attached accessories Accessories part Accessories part Installation plate Band 1 1 inyl tape Vinyl tape _ 3 Installation plate fixing screw Vinyl tape 2 soso 4 Remote control Battery 4 Ge 2 Air purifying filter 1 Accessories Flaring piping kit CZ 3F5 7AEN CS CU C73KE C93KE CZ 4F5 7 10AN CS CU C123KE SELECT THE BEST LOCATION INDOOR UNIT There should not be any heat source or steam near the unit There should not be any obstacles blocking the air circulation A place where air circulation in the room is good A place 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
55. t Pp a Compressor Reverse Rotation Protection Control To protect compressor from reverse rotation when there is a instantaneous power failure Overload Protector 2 Stage OLP to protect the compressor 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 CS C73KE Product Specifications Unit CS C73KE CU C73KE kW 2 05 2 00 Cooling Capacity Btu h 7 000 6 830 1 3 Moisture Removal Pint h 27 Ph Singl Power Source v Cycle 50 Airflow Method OUTLET SIDE VIEW uu d INTAKE emo f Air Volume Indoor Air Lo m3 min cfm 5 5 190 Indoor Air Me m min cfm 6 3 220 Indoor Air Hi m3 min cfm 7 0 250 Outdoor Air m min cfm 22 2 780 Noise Level dB A High 33 32 Low 28 26 High 46 45 Electrical Data Input 600 550 Running Current A 2 8 2 7 COP W W 3 42 3 64 Starting Current
56. te Control Cannot setting by Remote Control X SLo Indoor Fan rotates at 4 second intervals at Low speed X Lo Lo or Lo Fan Speed is operated randomly during Random Fan Speed Random Fan Speed EN Fan Speed Time 10 4 sia 5 4 1 OFF ON ON CS C73KE Operation Details 10 Airflow Direction Control Horizontal Airflow Direction Auto Control Upper limit e When set a Airflow Direction Auto Control with remote control the louver swings up and down as Swing up down shown in the diagram Lower limit for e The louver does not swing when the Indoor Fan Cooling Mode and stops during operation Soft Dry Mode e When stopped with remote control the discharge vent is closed with the louver Lower limit for Air Circulation Mode X The left and right airflow direction louvers can be adjusted manually X 1 There is no swinging while indoor fan is stopped during Cooling and Soft Dry operation X 2 In Air Circulation operation when the intake air temperature reaches set temperature the airflow direction is changed from upper limit to lower limit When the intake air temperature falls to 2 C lower than set temperature the airflow direction is changed from lower limit to upper limit Horizontal Airflow Direction Manual Control e When the manual Airflow Direction Selection But ton is
57. x oe Q Exploded View CS C73KE CS C93KE CS C123KE TI iy v amp wd The above exploded view is for the purpose of parts disassembly and replacement Note The non numbered parts are not kept as standard service parts 41 Replacement Parts List CS C73KE lt Model CS C73KE CS C93KE CS C123KE gt NO DESCRIPTION amp NAME QTY CS C73KE CS C93KE CS C123KE 1 CHASSY COMPLETE 1 CWD50C338 lt lt 2 PARTICULAR PIECE 1 CWD931019 lt lt 3 FAN MOTOR 1 CWA92288 CWA92289 CWA92290 4 LEAD WIRE FAN MOTOR 1 CWA67C2097 lt lt 5 CROSS FLOW FAN 1 CWHO2CO060 lt 6 BEARING 1 CWH64K007 pu lt 7 SCREW CROSS FLOW FAN 1 CWH4580304 lt lt 8 EVAPORATOR amp TUBE ASS Y COMPLETE 1 CWB30C249 CWB30C278 CWB30C260 9 INTAKE AIR SENSOR HOLDER 1 CWH32142 lt lt 10 ANTI VIBRATION BUSHING 1 CWH50211 lt 11 FLARE NUT 1 4 1 CWH6002140 1 4 lt lt 12 FLARE NUT 1 2 OR 3 8 1 CWT25005 3 8 lt CWT25007 1 2 13 DISCHARGE GRILLE COMPLETE 1 CWE20C610 lt CWE20C624 14 VERTICAL VANE WITH TAB 2 CWE24458 lt lt 15 VERTICAL VANE 10 CWE24457 lt lt 16 CONNECTING BAR 2 CWE26194 lt lt 17 AIR SWING MOT
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