Panasonic CS-PW18CKE Service Manual Download Page 65

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19 Electronic Circuit Diagram

SCHEMATIC DIAGRAM 1/4

• CS-PW18CKE CU-PW18CKE

WHT

BLK

AC01

(WHT)

BLK

AC02

(BLK)

WHT

AC03

(WHT)

RECEIVER

INDICATOR

CN-RCV

CN-DISP

D101

SW101

POWER(GRN)

D102

TIMER(ORG)

Auto

(PH7)

C01

0.01

R34

10k

R35

5.1k

C02

0.01

8 16

CN-STM

(ZH5)

VERTICAL

IC05

A52A2003GR

R05

43 /2W

R04

43 /2W

RY-PWR

R06

24k

RY-PWR

ELECTRONIC CONTROL UNIT

C32

C101

22 F

10V

IC101

R12

R11

C29

0.01

C30

0.01

R13 430

R14

620

C31

0.01

BZ01

R55

1
2

TEMPERATURE

FUSE

TO OUTDOOR

POWER SUPPLY

BLU

RED

3
4

RED

BLU

BRW or YLW

FAN MOTOR

WHT

COMPRESSOR

CAPACITOR

RED

BLK/B

BLU

BLK/ BLU

BLU

RED

Y-HO

1
2

Y-DEICE

GRY

COIL

(4-WAYS VALVE)

ELECTRONIC

CONTROLLER

COMP (VLT)

T01

ZNR04

FUSE

(T 2A L 250V)

FM1

(BRW)

ZNR03

ZNR01

Y-OFF

CN-TH (WHT)

SENSOR

(PIPE TEMP

SENSOR (AIR TEMP

T02

AC (WHT) HOT 1 (RED)

HOT 2 (BLK)

DEICE (GRY)

CAPACITOR

1
2
3
4

CR02

DB02

DB01

R50

47k

R52

1.82k

C09

50V

PC01

C16

0.01

RY-HOT

R51

47k

DEICE

(BLU)

HOT

(RED)

R53

FUSE 01

RY-HOT

CS-PW18CKE CU-PW18CKE

Summary of Contents for CS-PW18CKE

Page 1: ...orp Sdn Bhd 11969 T All rights reserved Unauthorized copying and distribution is a violation of law CS PW18CKE CU PW18CKE 8 9 Remote Control Signal Receiving Sound 23 9 Operating Instructions 24 10 Installation Instructions 32 10 1 Safety Precautions 32 10 2 INDOOR UNIT 35 10 3 OUTDOOR UNIT 38 11 Installation and Servicing Air Conditioner Using R410A 41 11 1 OUTLINE 41 11 2 TOOLS FOR INSTALLING SE...

Page 2: ...ashable Front Panel 19 2 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD TOP VIEW 71 19 3 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW 72 19 4 PRINT PATTERN OUTDOOR UNIT PRINTED CIRCUIT BOARD 73 Quality Improvement Gas leakage protection Prevent compressor reverse cycle Inner protector Noise prevention during soft dry operation Anti dew Formation Control Cooling Soft Dry Overload Pr...

Page 3: ...ction Control AIR SWING AUTO Air Swing is in operation OFF Stop the operation of the Air Swing Heating Cooling SoftDryOperation Temperature Setting 16 C to 30 C Automatic Operation Operation with 2 C higher than standard temperature Operation with standard temperature Operation with 2 C lower than standard temperature OFF ON TIMER 12 hour Timer Setting SELECT To select delay OFF Timer ON Timer OFF...

Page 4: ...ep 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 and Hot Start operation TIMER Orange Lights up in Timer Setting Operation Mode Heating Cooling Soft Dry and Automatic Mode Time Delay Safety Control Restarting is inhibited for appro 3 minutes 7 Minutes Time Save Control Cooling Ope...

Page 5: ...it stops immediately with remote control stop signal Overload Protector Inner protector Compressor Reverse Rotation Protection Control Outdoor Fan Operation Control Temperature Fuse Deice Control To prevent frosting at outdoor heat exchanger during Heating Operation 4 Way Valve Control When the unit is switched to OFF during Heating Operation 4 way valve stays at Heating position for 5 minutes 5 C...

Page 6: ... 2 91 COP W W Heating 3 35 Starting Current A 27 0 Piping Connection Port Flare piping inch inch G Half Union 1 2 L Half Union 1 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 Length m 1 9 Number of core wire 3 1 5 mm2 Dimensions Height inch mm 10 13 16...

Page 7: ...tion Oil cm3 RB68A OR FRE0L ALPHA 68M 670 Refrigerant R410A g oz 1 330 47 0 Thermostat Electronic Control Electronic Control Protection Device Inner Protector Capillary Tube Length mm Cooling 1 180 Heating 1 048 Flow Rate l min Cooling 8 7 Heating 14 0 Inner Diameter mm Cooling 1 5 Heating 1 8 Air Filter Material Style P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 50 µF...

Page 8: ...4 Dimensions 8 CS PW18CKE CU PW18CKE ...

Page 9: ...9 CS PW18CKE CU PW18CKE ...

Page 10: ...5 Refrigeration Cycle Diagram 10 CS PW18CKE CU PW18CKE ...

Page 11: ...6 Block Diagram 11 CS PW18CKE CU PW18CKE ...

Page 12: ...7 Wiring Diagram CS PW18CKE CU PW18CKE 12 ...

Page 13: ... 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 at the remote control 8 2 Cooling Mode Operation If the operation is stopped by the remote control the compressor will not turn on within 3 minu...

Page 14: ...pose is to prevent dew formation on indoor unit air discharge area When room temperature is constant 1 C the following conditions occur for 30 minutes continuously anti dew formation will activate Indoor intake air temperature is more than 24 C and less than 30 C Remote Control setting temperature is less than 25 C Compressor is on Cooling operation mode Indoor Fan motor operate at Low fan speed o...

Page 15: ...Cooling Operation Time Diagram 15 CS PW18CKE CU PW18CKE ...

Page 16: ...mperature Indoor Fan Compressor and Outdoor Fan stop for 6 minutes Once the compressor stops it will not start for 3 minutes during Cooling 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...

Page 17: ...Soft Dry Operation Time Diagram 17 CS PW18CKE CU PW18CKE ...

Page 18: ... to Outdoor Air Temperature region as table below The Outdoor Fan restarts when the indoor heat exchanger temperature falls to 49 C During starting of Heating mode and after deice Outdoor Fan ON for 90 sec Hi b Compressor High Pressure Control If the indoor heat exchanger becomes 68 C or more the compressor will stop and restart automatically Time Delay Safety Control 4 minutes waiting 4 way valve...

Page 19: ... temperature If the compressor is operating continuously for 5 minutes or longer and the temperature difference between indoor heat exchanger and intake air is 5 C or less for 2 minutes compressor will stop and restart automatically Time Delay Safety Control is valid T Indoor heat exchanger temperature Intake air temperature This is to protect reverse rotation of the compressor when there is an in...

Page 20: ... is in operation deice will start There is no detection during Outdoor Fan stops Overload Deicing During heating operation if the outdoor Fan OFF duration due to overload control is accumulated up to 60 minutes and after compressor starts for 1 minutes deicing starts Deicing ends when a 12 minutes after deicing operation starts b The outdoor piping temperature rises to about 12 C After deicing ope...

Page 21: ...a Normal Deicing Time Diagram b Overload Deicing Time Diagram 21 CS PW18CKE CU PW18CKE ...

Page 22: ... Judgement Next Mode Mode Cooling Soft Dry Heating O O Cooling 23 C Cooling Judgement Not Applicable Judgement Heating 23 C Above Below 23 C O O Soft Dry 20 C Soft Dry Not Applicable Judgement Judgement Heating 20 C Above Below 20 C O O Heating Cooling Judgement Not Applicable Judgement 25 C Heating Above 25 C 25 C below Automatic Set Temperature Refer 3 as below 3 Automatic Set Temperature For ea...

Page 23: ... temperature reaches 38 C the louver is changed from upper to lower limit position When the piping air temperature falls to 35 C the louver is changed from lower to upper limit position 8 8 Delay ON Timer Control 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 desi...

Page 24: ...see page 27 Under front panel Indicator Auto operation button 1 3 Remote Control 1 Direction louver 0 10 m T I M E R P O W E R O N Fluorescent lights may interfere with signal transmission see page see page Memory reset TIMER functions Set TEMPERATURE Select MODE Switch OFF ON of the device Select Fan Speed Select air flow direction Indoor Unit Open front panel Press to START AUTO Mode only Press ...

Page 25: ...rtably cool Very gentle cooling and dehumidiying operation Automatic Dehumidifying AUTO COOL DRY Additional comfort min 16 C max 30 C Cooling Room temperature Select Select Choose the right temperature to be comfortably warm Heating HEAT Select min 16 C max 30 C Recommended low speed 20 24 C 26 28 C min 16 C max 30 C 1 2 C Lo Hi Hi 2 C Lo 2 C standard Switch off Recommended Set temperature Recomme...

Page 26: ...F ON Timer Stop after 3 hours then start after 4 hours Press NOTES Press ON OFF button will cancel the setting Press SET CANCEL button to activate again the previous setting Delay ON OFF Timer Start after 10 hours then stop after 7 hours Press Direction volume Select automatic manual Swing automatically Air Flow Vertical direction Horizontal direction Adjust manually Fan Speed air volume 2X 1X CAN...

Page 27: ...ion BUT UNPLUG in case of very strong lightning Thunder Lightning When power resume Random restart automatically Restored Close Vacuum Better performance Save cost see page 26 Power Failure Deleted set again Use Part No CWD001049 every 2 weeks Vacuum Damaged replace Wash Dry Remove Reinstall Indoor unit Filters Wipe gently Filter cleaning see below Remove Reinstall Wash Dry HELPFUL INFORMATION CAR...

Page 28: ...e Insert batteries Insert batteries close Use Plug in Indoor unit Year Pre season inspection Call Service For extended non operation dry internal parts START Unplug Remove batteries OFF Check Fans obstructed 1 Rechargeable PREPARATIONS Installation see enclosed installation instruction Press button Plug breaker 15 Min 2 OK Batteries Batterie nicht wegwerfen sondern bei einer Sammelstelle für chemi...

Page 29: ...ont grille panel closed properly Cooling heating efficiency low 3 Temperature set correctly 3 Windows doors closed 3 Filters cleaned replaced 3 Outdoor unit obstructed 3 Intake outlet ventilators obstructed Operation delayed for 3 minutes after successful restart 3 Self protection procedure It sounds like water flowing 3 Caused by refrigerant flow inside Mist steam seems to emerge from the indoor ...

Page 30: ...einstall yourself United Kingdom GB Standard Replacement or installation of power plugs shall be performed by authorised qualified personnel only The wires in this mains lead are coloured in accordance with the following code Terminals wires colours Australia AS Standard The appliance is not intended for use by young children or infirm person without supervision Young children should be supervised...

Page 31: ...ONS FEATURES Uninstalling and disposal of the unit ONLY by dealer specialist Packaging recyclable Cooling Cleaning Heating 25 27 27 Automatic Operation indoor temp is gauged to select the optimum mode Auto Restart Control After power failure restart automatically when power resume Removable Front Panel for quick and easy cleaning washable Environmental friendly Refrigerant R410A model Zero ozone d...

Page 32: ...shock 4 Install at a strong and firm location which is able to withstand the 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 installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough ...

Page 33: ... place where there is 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 the receptacle using a power plug Use an approved 16A power plug with earth pin for the connection to the receptacle 2 Power supply connection to a circuit breaker for the permanent ...

Page 34: ...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 7 5m additional refrigerant should be added as shown in the tabl...

Page 35: ...off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill Line according to the arrows marked on the lower left and right side of the installation plate The meeting point of the extended line is the centre of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the di...

Page 36: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 36 CS PW18CKE CU PW18CKE ...

Page 37: ...aps on the front grille as shown in the illustration below and then remove the three mounting screws 4 Pull the lower section of the front grille towards you to remove the front grille When reinstalling the front grille first set the vertical airflow direction louver to the horizontal position and then carry out above steps 2 3 in the reverse order AUTO SWITCH OPERATION The below operations will b...

Page 38: ...gn the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Piping size Torque Gas Liquid 1 2 55 N m 1 4 18 N m Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve ont...

Page 39: ... the service port caps of the 3 way valve at a torque of 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage CAUTION If gauge needle does not move from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa in step 3 abov...

Page 40: ...removing the front grille Pour a glass of water into the drain tray styrofoam Ensure that water flows out from drain hose of the indoor unit EVALUATION OF THE PERFORMANCE Operate the unit at cooling operation mode for fifteen minutes or more Measure the temperature of the intake and discharge air Ensure the difference between the intake temperature and the discharge is more than 8 C CHECK ITEMS Is...

Page 41: ...this it can cause an oxygen 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 ventilated environment where it will not collect Table 1 Physical comparison of R410A and R22 R410A R22 Composition wt R32 R125 50 50 R22 100 Boiling point C 51 4 40 8 Vaporizing pressur...

Page 42: ...air work done by a specialist Incorrect repairs can result in a water leakage electric shock fire etc 11 2 TOOLS FOR INSTALLING SERVICING REFRIGERANT PIPING 11 2 1 Necessary Tools In order to prevent an R410A AC from mistakenly being charged with any other refrigerant the diameter of the 3 way valve service port on the outdoor unit has been changed Also to increase its ability to withstand pressur...

Page 43: ...rque wrenches Table 5 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 8 opposite side x torque 22 mm x 42 N m 420 kgf cm 22 mm x 42 N m 420 kgf cm For 1 2 opposite side x torque 24 mm x 55 N m 550 kgf cm 26 mm x 55 N m 550 kgf cm Because the pressure is higher for the R410A type the conventional type cannot be used Table...

Page 44: ...ch that were used with 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 sensitivity for R134a at 1 the level for R410A will drop to 0 6 For detecting small amounts of gas leakage use the electric gas leak detector for HFC refrigerant Detection sensitivity with R...

Page 45: ...ging is done manually 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 stipulated by ARI of the U S Cylinders equipped with a siphon tube are available to allow the cylinder to stand upright for liquid refrigerant charging 10 Charging orifice and packing for ...

Page 46: ...ize before using When using a conventional 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 use copper and copper alloy jointless pipes with a maximum oil adherence of 40 mg 10m Do not use pipes that are crushed deformed or discolored especially the inside su...

Page 47: ...rface with the axial 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 is too weak it may lead to a gas leak If it is too strong it may split the flare nut or make it impossible to remove the flare nut Table 15 R410A tightening torque Nominal diameter Ou...

Page 48: ...th nitrogen or dried 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 global environment please do not release refrigerant into the atmosphere a Connect the projecting side pin pushing side of the charging hose for the manifold gauge to the service por...

Page 49: ...ping 1 Piping check Because 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 this is not easy to check Also even if the thickness is correct there may be flattened or bent portions midway through the piping due to sharp curves Buried sections of the pi...

Page 50: ...mount operate the unit 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 procedure to do the liquid charging again Precaution Never use the gas side to allow a larger amount of liquid refrigerant to be charged while operating the unit 10 Close the char...

Page 51: ...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 adequate brazing temperature and with minimum of heating area 3 Overheating Protection In order to prevent components near the brazed part from overheating damage or quality deterioration due to flame or ...

Page 52: ... connector Fig 4 Release the CN MAIN connector Fig 4 Release the CN 001 connector Fig 4 Release the CN 002 connector Fig 4 Release the CN STM1 connector Fig 4 Release the CN STM2 connector Fig 4 Release the CN ION connector Fig 4 Release the hooks that hold the Electronic Controller Fig 3 Fig 1 Fig 2 Fig 3 Fig 4 12 Servicing Information Caution Pb free solder has a higher melting point than standa...

Page 53: ...ctors Fig 5 e Release the CN STM1 connector Fig 5 f Release the CN ION connector Fig 5 2 Pull out the Drain Hose from outlet to remove the Discharge Grille Fig 6 3 Removing the right and left screws Fig 7 4 By pressing down the hook at the left and pushing up the hook at the right you will be able to remove the Control Board Fig 7 5 Remove the screw at the Cross Flow Fan Fig 8 Fig 5 Fig 6 Fig 7 Fi...

Page 54: ...ator and pull out the Cross Flow Fan from shaft By then Fan Motor can be taken out Fig 10 REMINDER To reinstall the Fan Motor put it back in place adjust the position of the Fan Motor s leadwire appropriately as shown in the Fig 8 before installing the Cross Flow Fan Fig 9 Fig 10 54 CS PW18CKE CU PW18CKE ...

Page 55: ...th a minus screwdriver 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 controls cut a jumper wire at the remote control printed circuit board A B and cut a jumper wire at the indoor printed circuit board JX4 It is possible to select from 4 types of tr...

Page 56: ...de 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 conditions the standard values for them are shown in the table on the right 13 Troubleshooting Guide 13 1 Refrigeration cycle system 56 CS PW18CKE CU PW18CKE ...

Page 57: ...on of a compressor and 4 way valve Nature of fault Symptom Electric current during operation becomes approximately 20 lower than the normal value Insufficient compressing of a compressor The discharge tube of the compressor becomes abnormally hot normally 70 to 90 C The difference between high pressure and low pressure becomes almost zero Electric current reaches a high level abnormally and the va...

Page 58: ...14 Technical Data 58 CS PW18CKE CU PW18CKE ...

Page 59: ...8 1 72 4 40 3 53 1 84 4 00 3 36 1 99 19 0 C 5 10 1 75 19 5 C 5 55 4 02 1 63 5 19 3 86 1 76 4 83 3 71 1 88 4 39 3 53 2 03 22 0 C 6 05 4 16 1 66 5 66 4 00 1 79 5 26 3 86 1 91 4 78 3 68 2 06 TC Total Cooling Capacity kW Indoor 27 C 19 C SHC Sensible Heat Capacity kW Outdoor 35 C 24 C IP Input Power kW 59 CS PW18CKE CU PW18CKE ...

Page 60: ...60 CS PW18CKE CU PW18CKE ...

Page 61: ...15 Exploded View 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 61 CS PW18CKE CU PW18CKE ...

Page 62: ...20C2348 22 ELECTRONIC CONTROLLER MAIN 1 CWA743235 0 23 ELECTRONIC CONTROLLER POWER 1 CWA743348 0 25 P C B RECEIVER 1 CWA742724 26 ELECTRONIC CONTROLLER INDICATOR 1 CWE39C1101 0 27 LEAD WIRE INDICATOR 1 CWA67C4543 28 INDICATOR HOLDER 1 CWD932163 29 SENSOR COMPLETE 1 CWA50C608 0 30 CONTROL BOARD TOP COVER 1 CWH131091 31 CONTROL BOARD FRONT COVER 1 CWH131090 32 REMOTE CONTROL COMPLETE 1 CWA75C2570 0 ...

Page 63: ...17 Exploded View 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 63 CS PW18CKE CU PW18CKE ...

Page 64: ...OR 1 CWH30060 27 CAPACITOR FAN MOTOR 1 DS441205NPQA 2 0µF 440VAC 0 28 CABINET SIDE PLATE L 1 CWE041031A 29 CABINET SIDE PLATE R 1 CWE041037A 30 CABINET FRONT PLATE 1 CWE06K1034 31 WIRE NET 1 CWD04C1015 32 CABINET TOP PLATE 1 CWE031014A 33 PLATE C B COVER 1 CWH131088 34 CONTROL BOARD COVER 1 CWH131092 35 HANDLE 1 CWE161010 36 OPERATION INSTRUCTIONS 1 CWF564239 37 INSTALLATION INSTRUCTIONS 1 CWF6125...

Page 65: ...2 C101 22 F 10V IC101 3 1 2 5 1 2 3 4 R12 1k R11 1k C29 0 01 C30 0 01 R13 430 R14 620 C31 0 01 BZ01 BZ R55 1k 1 2 TEMPERATURE FUSE TO OUTDOOR POWER SUPPLY BLU RED 3 4 VLT RED BLU BLU BRW or YLW FAN MOTOR WHT WHT COMPRESSOR CAPACITOR RED GRY BLK B BLU BLK BLU BLU RED RY HOT 1 2 3 4 RY DEICE GRY COIL 4 WAYSVALVE ELECTRONIC CONTROLLER COMP VLT T01 ZNR04 FUSE T 2A L 250V FM1 BRW ZNR03 ZNR01 RY OFF CN ...

Page 66: ...T SHORT OPEN OPEN OPEN 1 0 3 2 JX3 JX4 RX1 10K 10K R64 1k R02 20k C23 0 1 C28 0 01 JX5 P72 P73 P74 P75 P64 P65 P66 P67 P40 A00 P41 A01 P42 A02 P43 A03 P44 A04 P45 A05 P46 A06 P47 A07 P50 A8 P51 A9 RY PWR DRIVE SIGNAL P52 A10 P53 A11 P54 A12 P55 A13 P56 A14 P57 A15 Vss VDD P30 P31 P32 P33 P34 P35 P11 AN1 P12 AN2 P13 AN3 P14 AN4 P15 AN5 P16 AN6 P17 AN7 Avss VCC P25 P24 P23 P22 SCX P21 S0 P20 S1 P36 ...

Page 67: ... b Q001 10k 4 7k R028 R029 b c e R113 PC006 4 1 2 3 R112 L002 R032 R055 R054 R024 C014 C017 R023 R053 R033 R034 IC001 C016 C015 Q005 R052 R051 R050 R048 e b c C007 c b e R013 R031 R016 Q004 C012 R014 ZD002 ZD003 C009 C010 C011 R057 Q003 R012 C018 C008 R017 S D G R027 R026 R020 R025 R019 D045 R015 D006 D014 D013 Q006 c b e ZD006 ZD007 R048 R047 R018 R021 ZD004 C103 D101 R105 ZD101 T02 5 4 9 8 7 6 1...

Page 68: ...SCHEMATIC DIAGRAM 4 4 68 CS PW18CKE CU PW18CKE ...

Page 69: ...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 36 sec Comp Reverse Rotation Detection 5 min 30 sec Comp ON 5 min and above 2 min 0 sec Comp Fan Motor Delay Timer 1 6 sec 0 sec Random Auto Restart Control 0 62 sec 0 6 2 sec 4 Way Valve 5 min 30 sec After Deice Ended ...

Page 70: ...19 1 REMOTE CONTROL 70 CS PW18CKE CU PW18CKE ...

Page 71: ...19 2 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD TOP VIEW 71 CS PW18CKE CU PW18CKE ...

Page 72: ...19 3 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW 72 CS PW18CKE CU PW18CKE ...

Page 73: ...19 4 PRINT PATTERN OUTDOOR UNIT PRINTED CIRCUIT BOARD 73 CS PW18CKE CU PW18CKE MAICO Printed in Malaysia ...

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