background image

 1 

Features 

2

 2 

Functions 

3

 3 

Product Specifications 

6

 4 

Dimensions 

12

 5 

Refrigeration Cycle Diagram 

14

 6 

Block Diagram 

15

 7 

Wiring Diagram 

16

 8 

Operation Details 

17

 9 

Operating Instructions 

30

 10 Installation Instructions 

35

© 2002 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.

CS-V7CKP CU-V7CKP5
CS-V9CKP CU-V9CKP5
CS-V12CKP CU-V12CKP5

 11 Installation and Servicing Air Conditioner Using R410A 

45

 12 Servicing Information 

56

 13 Troubleshooting Guide 

60

 14 Technical Data 

62

 15 Exploded View 

65

 16 Replacement Parts List 

66

 17 Exploded View 

67

 18 Replacement Parts List 

68

 19 Electronic Circuit Diagram 

69

Room Air Conditioner

CONTENTS

 Page 

Page

Order No. MAC0210043C2

Summary of Contents for CU-V7CKP5

Page 1: ...T All rights reserved Unauthorized copying and distribution is a violation of law CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5 11 Installation and Servicing Air Conditioner Using R410A 4...

Page 2: ...per construction material and living environment Quality Improvement Gas leakage protection Prevent compressor reverse cycle 2 stage OLP to protect compressor Noise prevention during soft dry operatio...

Page 3: ...hour OFF ON Real Timer Setting ON TIMER OFF TIMER Timer Operation Selection SET CANCEL Timer Operation Set Cancel ON Timer and OFF Timer setting and cancellation CLOCK AIR SWING AUTO Automatic Vertic...

Page 4: ...Beep beep sound will be heard at the 10th second AUTO OFF ON Operation Indication Lamps LED POWER Green Lights up in operation blinks in Automatic Operation Mode judging QUIET Orange Lights up in Qui...

Page 5: ...ediately with remote control stop signal Overload Protector 2 Stage OLP to protect the compressor Overload Protector will trip when Temperature of compressor increases to 120 C High temperature or hig...

Page 6: ...alf Union 1 4 G 3 way valve 3 8 L 2 way valve 1 4 Pipe Size Flare piping inch inch G gas side 3 8 L liquid side 1 4 G gas side 3 8 L liquid side 1 4 Drain Hose Inner diameter mm 12 Length mm 650 Power...

Page 7: ...igeration Oil cm3 FVC68D 330 Refrigerant R 410A g oz 850 30 0 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Capillary Tube Length mm 935 Flow Rate l min 8 0 Inner Diameter...

Page 8: ...e 1 4 Drain Hose Inner diameter mm 12 Length mm 650 Power Cord Length Number of core wire m 1 9 3 1 0 mm2 Dimensions Height inch mm 10 13 16 275 21 1 4 540 Width inch mm 31 15 32 799 30 23 32 780 Dept...

Page 9: ...ector Capillary Tube Length mm 803 Flow Rate l min 8 5 Inner Diameter mm 1 4 Air Filter Material Style P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor F VAC 30 F 370VAC Fan Motor Ca...

Page 10: ...4 G 3 way valve 1 2 L 2 way valve 1 4 Pipe Size Flare piping inch inch G gas side 1 2 L liquid side 1 4 G gas side 1 2 L liquid side 1 4 Drain Hose Inner diameter mm 12 Length mm 650 Power Cord Lengt...

Page 11: ...rigeration Oil cm3 FVC68D 330 Refrigerant R 410A g oz 1 060 37 4 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Capillary Tube Length mm 1276 Flow Rate l min 11 3 Inner Dia...

Page 12: ...4 Dimensions 12 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 13: ...13 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 14: ...5 Refrigeration Cycle Diagram 14 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 15: ...6 Block Diagram 15 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 16: ...V7CKP5 CU V9CKP5 CU V12CKP5 CONNECTION CWA951118 CWA951120 BLUE YELLOW 203 5 200 4 YELLOW RED 190 3 252 5 Resistance of Compressor Windings MODEL CU V7CKP5 CONNECTION GB080PAA C R 4 96 C S 4 67 Note...

Page 17: ...n the 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 The compressor will start automatically if i...

Page 18: ...ng Operation Time Diagram When Automatic Fan Speed is selected at Remote Control during cooling operation Fan speed rotates in the range of Hi to Me Deodorizing Control 18 CS V7CKP CU V7CKP5 CS V9CKP...

Page 19: ...an speed rpm refer to Indoor Fan Speed Control Dew formation become severe at Quiet Lo cool therefore Quiet Lo cool is operated only 1h 30 min 1h QLo 30 min QLo 50 After that it goes back to Lo cool H...

Page 20: ...Once Soft Dry operation is turned off it stops for 6 minutes Once the compressor stops it will not start for 3 minutes during Cooling operation Same as Starting Current Control for Cooling Mode operat...

Page 21: ...Soft Dry Operation Time Diagram Quiet Operation Control For Dry region of Soft Dry Mode 21 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 22: ...fan speed for 20 seconds After judging indoor air temperature the operation mode is determined and operation continued at the mode determined After the operation mode has been determined the mode does...

Page 23: ...OFF activates Quiet mode button is pressed Operation mode button is changed 8 6 Random Auto Restart Control If there is a power failure during air conditioner operation operation will be automatically...

Page 24: ...d down in the range shown in the diagram The louver can be adjusted by pressing the button to the desired louver position When the remote control is used to stop the operation the discharge vent is re...

Page 25: ...Mode Stopping the Ion Mode Short beep sound will be heard for others To switch off the beep sound Press the Automatic Operation Button continuously for 10 seconds or more beep beep will be heard at t...

Page 26: ...on at that mode ionizer operation c Timer during ionizer operation Refer to case study in next page for detail 8 11 1 Ionizer Error Detection Control A Purpose To inform user that error occurs at ioni...

Page 27: ...7a Operation Mode Ionizer 12 delay timer ON Case 1b Ionizer only operation 12h delay timer OFF Case 2b Ionizer only operation 24h real time timer OFF Case 3b Operation Mode Ionizer 12h delay timer OFF...

Page 28: ...Case 8 Ionizer only operation Auto Fan shift to Cool Mode 28 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 29: ...owing conditions happen a Power reset b Remocon operation ON OFF button press c Forcible operation press d Opt OFF due to Timer OFF 4 Ion auto restart Ion will auto restart if Actual Ion was ON with n...

Page 30: ...pecified power cord If abnormal condition burnt smell etc occurs switch off and unplug the power supply Caution This sign warns of injury Do not pull the cord to disconnect the plug Do not wash the un...

Page 31: ...place 5 Insert the air filters 6 Close the front panel Remote Control To set the current time 1 Press 1 2 Then press 2 to increase or decrease the time 3 Press 1 again Set time at display will light...

Page 32: ...mperature Cooling Maximum Temperature Heating Minimum Temperature Cooling Minimum Temperature Heating DBT 32 30 16 16 WBT 23 11 DBT 43 24 16 5 WBT 26 18 11 6 Indoor Outdoor Unit in C 36 36 61 COOL DRY...

Page 33: ...onditioner with dirty filters Air is not purified Cooling or heating capacity decreases Foul odour is emitted Heat Pump Model COOL 8 C or above HEAT 14 C or above Cooling Model COOL 8 C or above Heat...

Page 34: ...air condenses into water on the cool surface of outdoor unit piping that causes dripping This is to melt the frost which has accumulated on the outdoor unit defrosting operating This will take no lon...

Page 35: ...set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 5 For electrical work follow the local national wiring standard regulation and this i...

Page 36: ...s ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply connection to th...

Page 37: ...height for indoor unit shall be at least 2 3 m OUTDOOR UNIT If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed T...

Page 38: ...read and using a level gauge 2 Drill the piping plate hole with 70 mm hole core drill Line according to the arrows marked on the lower left and right side of the installation plate The meeting point o...

Page 39: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 39 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 40: ...color of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safet...

Page 41: ...in order to indicate the ON OFF change over of remote control receiving sound 10 3 OUTDOOR UNIT 10 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 10 3 2 INSTALL THE OUTDOOR UN...

Page 42: ...pproximately 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 Note BE SURE...

Page 43: ...t stops 4 A Checking gas leakage for the left piping 10 3 6 CONNECT THE CABLE TO THE OUTDOOR UNIT 1 Remove the control board cover from the unit by loosening the screw 2 Connecting cable between indoo...

Page 44: ...ature and the discharge is more than 8 C NOTE These equipment shall be connected to a suitable mains network with a main impedance less than the following CS A9CKP CU A9CKP5 0 46 CS C12CKP CU C12CKP5...

Page 45: ...ygen deficiency if it leaks into a closed room since it collects in the lower area of the room It also generates toxic gas when it is directly exposed to a flame so it must be used in a well ventilate...

Page 46: ...ist Incorrect repairs can result in an water leakage electric shock fire etc 11 2 TOOL FOR INSTALLING SERVICING REFRIGERANT PIPING 11 2 1 Necessary Tools In order to prevent an R410A AC from mistakenl...

Page 47: ...Conventional wrenches R410A wrenches For 1 4 opposite side x torque 17 mm x 18 N m 180 kgf cm 17 mm x 18 N m 180 kgf cm For 3 3 opposite side x torque 22 mm x 42 N m 180 kgf cm 22 mm x 42 N m 180 kgf...

Page 48: ...th CFC and HCFC cannot be used with R410A because there is no chlorine in the refrigerant The present R134a leak detector can be used but the detection sensitivity will be lower setting the sensitivit...

Page 49: ...ly by opening and closing the valve 9 Refrigerant cylinders The R410A cylinders are labeled with the refrigerant name and the coating color of the cylinder protector is pink which is the color stipula...

Page 50: ...ntional flaring tool use the copper pipe gauge for clearance adjustment etc to ensure the correct A dimension see Fig 10 Fig 10 Flaring dimensions 11 3 1 Piping Materials It is recommended that you us...

Page 51: ...ial center of the union c Use a torque wrench and tighten to the specified torque The tightening torque for R410A is the same as the conventional torque value for R22 Be careful because if the torque...

Page 52: ...d with a vacuum pump 11 4 INSTALLATION TRANSFERRING SERVICING 11 4 1 Inspecting Gas Leaks with a Vacuum Pump for New Installations Using New Refrigerant Piping 1 From the viewpoint of protecting the g...

Page 53: ...use of the different pressure characteristics of R22 and R410A the design pressure for the equipment is 1 6 times different the wall thickness of the piping must comply with that shown in Table 10 but...

Page 54: ...it in the cooling mode while charging a little of the liquid at a time about 150 g time as a guideline If the charging amount is insufficient from one operation wait about one minute then use the same...

Page 55: ...oxidize Especially when the interior of the refrigerant circuit oxidizes due to overheating scale occurs and stays in the circuit as dust thus exerting a fatally adverse effect So make brazing at adeq...

Page 56: ...tors Fig 4 Releasing CN FM connectors Fig 4 Releasing CN ION connector Fig 4 Releasing CN STM connector Fig 4 Removing the Earth Wire screw Fig 4 Releasing the Intake Air Sensor Fig 4 Releasing the Pi...

Page 57: ...d pushing up the right hook Fig 5 Releasing connector lead wire Ionizer Fig 5 Release the Fan Motor leadwire by pressing the hook at the center of the connector Fig 6 Remove the screw at the Cross Flo...

Page 58: ...of the Evaporator Fig 8 Remove the Bearing Fig 9 Push up the Evaporator and pull out the Cross Flow Fan from shaft By then Fan Motor can be taken out Fig 9 Fig 8 Fig 9 58 CS V7CKP CU V7CKP5 CS V9CKP...

Page 59: ...ver it will return to normal Changing the wireless remote control transmission code When two indoor units are installed in the same room in order to prevent operating errors caused by using two remote...

Page 60: ...oblems include 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...

Page 61: ...fifteen minutes after an operation is started 13 1 2 Diagnosis methods of a malfunction of a compressor Nature of fault Symptom Electric current during operation becomes approximately 20 lower than th...

Page 62: ...0 2 09 0 87 2 37 1 99 0 94 19 0 C 3 02 0 83 19 5 C 3 29 2 38 0 77 3 07 2 28 0 83 2 86 2 20 0 89 2 60 2 09 0 96 22 0 C 3 58 2 47 0 79 3 35 2 37 0 85 3 12 2 29 0 91 2 83 2 18 0 98 230V Outdoor Temp C In...

Page 63: ...63 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 64: ...64 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 65: ...iew 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 65 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CK...

Page 66: ...ECTRONIC CONTROLLER RECEIVER 1 CWA73C1124 0 24 SENSOR COMPLETE 1 CWA50C2122 0 25 CONTROL BOARD FRONT COVER 1 CWH131090 26 ELECTRONIC CONTROLLER INDICATOR 1 CWE39C1064 0 27 LEAD WIRE INDICATOR 1 CWA67C...

Page 67: ...iew 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 67 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CK...

Page 68: ...MINAL COVER 1 CWH171021 20 NUT TERMINAL COVER 1 CWH561020 21 SOUND PROOF BOARD 1 CWH151022 CWH151023 22 CONTROL BOARD 1 CWH102102 23 TERMINAL BOARD ASS Y 1 CWA28K217 24 CAPACITOR COMPRESSOR 1 DS371256...

Page 69: ...0 20k C04 MX3 CN RCV1 CN DISP 2 3 4 5 6 7 8 10 9 CN TH 1 2 MAIN AIR SWING MOTOR SW101 AUTO 10k R60 XH4 CN HA C23 220 R13 330 330 330 110 R14 R15 R16 R17 43 2W R05 43 2W RY PWR D10 D09 D08 D07 D06 D05...

Page 70: ...19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 3 2 1 P02 INTP2 P01 INTP1 P00 INTP0 P70 P71 P03 INTP3 Vss1 X1 X2 IC XT1 XT2 Reset AVref P10 ANO AVd0 R10 10k 150k R32 X01 4 096MHz 47pF X 2 C10 R56 R31 10k R09...

Page 71: ...c e b R50 100k R49 1k R51 10k c e b 6 2k R54 10k R53 6 2k R52 ZD1 7 5EL1 Q05 Q06 50V C21 GENERATION RESET SIGNAL GENERATION RESET SIGNAL REMOTE CONTROL NO SHORT SHORT OPEN SHORT SHORT OPEN OPEN OPEN...

Page 72: ...72 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 73: ...gement 20 sec 0 sec Soft Dry OFF 6 min 36 sec ON 10 min 60 sec Soft Dry 10 min operation Deodorizing Control Cooling 40 sec 4 sec 70 sec 7 sec 20 sec 2 sec 180 sec 18 sec Soft Dry 40 sec 4 sec 360 sec...

Page 74: ...19 1 REMOTE CONTROL 74 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 75: ...19 2 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD TOP VIEW 75 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5...

Page 76: ...19 3 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW 76 CS V7CKP CU V7CKP5 CS V9CKP CU V9CKP5 CS V12CKP CU V12CKP5 MAICO Printed in Malaysia...

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