Panasonic CS-W50BTP Service Manual Download Page 1

 1 

SERVICE INFORMATION 

3

 2 

FEATURES 

4

 3 

SPECIFICATION (HEAT PUMP TYPE ) 

9

 4 

SPECIFICATION (COOLING ONLY TYPE ) 

10

 5 

TECHNICAL DRAWING 

11

 6 

CIRCUIT DIAGRAM 

13

 7 

OPERATING INSTRUCTION 

25

 8 

REFRIGERATION CYCLE 

27

 9 

OPERATION RANGE 

28

 10 PIPE LENGTH 

29

 11 OPERATING CHARACTERISTIC 

31

 12 FAN PERFORMANCE 

32

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

CS-W50BTP CU-V50BBP8
CS-W50BTP CU-W50BBP8

 13 SAFETY DEVICE 

33

 14 COMPONENT SPECIFICATION 

34

 15 CAPACITY AND POWER CONSUMPTION 

35

 16 DISCHARGE AND SUCTION PRESSURE 

38

 17 REACHING DISTANCE 

39

 18 SOUND DATA 

40

 19 TWIN AND TRIPLE 

42

 20 WIRING MISTAKE PREVENTION 

47

 21 TEST OPERATION AND SELF DIAGNOSIS 

48

 22 SETTING OF SAVE ENERGY AND THERMISTOR SWITCH 

52

 23 GROUP CONTROL 

53

 24 TROUBLESHOOTING 

54

AIR CONDITIONER

CONTENTS

 Page 

Page

ORDER NO. MAC0210059C2

Summary of Contents for CS-W50BTP

Page 1: ...hd 11969 T All rights reserved Unauthorized copying and distribution is a violation of law CS W50BTP CU V50BBP8 CS W50BTP CU W50BBP8 13 SAFETY DEVICE 33 14 COMPONENT SPECIFICATION 34 15 CAPACITY AND POWER CONSUMPTION 35 16 DISCHARGE AND SUCTION PRESSURE 38 17 REACHING DISTANCE 39 18 SOUND DATA 40 19 TWIN AND TRIPLE 42 20 WIRING MISTAKE PREVENTION 47 21 TEST OPERATION AND SELF DIAGNOSIS 48 22 SETTI...

Page 2: ... OPERATION 59 26 CONTROL 60 27 WIRED REMOTE CONTROL INSTALLATION MANUAL 70 28 WIRELESS REMOTE CONTROL INSTALLATION MANUAL 75 29 INSTALLATION INDOOR UNIT 82 30 INSTALLATION OUTDOOR UNIT 92 31 REPLACEMENT PARTS 104 2 ...

Page 3: ... normal illumination when power supply switch is on however outdoor unit cannot be operated But it is necessary to take 3 to 5 minutes for outdoor unit to start from the timing of remote control OFF ON button is on For normal operation the outdoor unit will only start its operation after 3 to 5 minutes upon pressing the OFF ON button 3 P C board had memorized wrong setting information a If main po...

Page 4: ...ssure losses inside the casing and also helps reduce noise 3 Adoption of wing shaped vanes The vanes of the fan have been changed to aerodynamic shaped vanes so that the air flow more smoothly over the vane surfaces and noise is thus suppressed Side filters have been adopted in the pipe partitions These allow the air intake space to be increased and also further reduce noise 2 2 2 Automatic swingi...

Page 5: ...lter standard equipment In general office environments cleaning maintenance is not required until after approximately 2 500 hours of operation thus reducing maintenance work For optimum comfort it is recommended to clean the air filter every 1 1 2 months 2 5 2 Maintenance is possible from underneath the unit If the bottom panel is detached the drain pan can then be removed and installed from under...

Page 6: ...The heat exchanger has an L shaped design to allow air to flow more smoothly 5 Noise is automatically reduced further during night time operation with lower outdoor air temperatures 2 10 Greatly improved workability increases system renewal capability Pipes that are one size larger can also be connected for renewal If renewing the system existing refrigerant pipes can be utilized so that only the ...

Page 7: ...and new control method using the latest in technology Easier power supply wiring connection Power supply wiring and other wiring tasks can be carried out more easily Twin non polar wires used to connect indoor and outdoor units Adoption of connection error prevention circuits for drive wires and signal wires If a connection error is made the relay does not operate and current does not flow to the ...

Page 8: ...ons by switching with main unit thermistor Twin non polar wires make installation work easy 10 m cable supplied as accessory 2 13 Wireless Remote Control New design with compact size Operation range within approximately 8 m Built in timer with ON OFF timer setting within 24 hours Wired Wireless Heat Pump CZ RD51P CZ RL51P Cooling CZ RD51P CZ RL01P NOTE Both of the above remote control is packed se...

Page 9: ...ry tube Heat Capillary tube Refrigerant Oil Charged litre MMMAPOE Refrigerant Charged kg R407C 4 4 oz 155 Running Adjustment Control Switch Wireless or Wired Remote Control Room Temperature Thermostat Main Body Safety Devices Internal protector for compressor Internal thermostat for fan motor Crankcase heater High and heating pressure switch Current transformer Noise Level dB A Hi 49 Lo 45 Cooling...

Page 10: ...on motor Rated Output kW 0 14 0 055 x 2 Air heat Exchanger Slit fin type X Louvre fin type Refrigerant Control Capillary tube Capillary tube Refrigerant Oil Charged litre MMMAPOE Refrigerant Charged kg R407C 4 4 oz 155 Running Adjustment Control Switch Wireless or Wired Remote Control Room Temperature Thermostat Main Body Safety Devices Internal protector for compressor Internal thermostat for fan...

Page 11: ...5 TECHNICAL DRAWING 11 ...

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Page 25: ...t operate the remote control with wet hands Otherwise electric shock or malfunction may occur Do not press the remote control buttons with sharp object as this may damage the remote control Buttons marked with are not needed for normal operation If one of these buttons is pressed by mistake press the same button once more to cancel the operation When the power resumed after power failure the unit ...

Page 26: ...mote control in conjunction with the wired remote control the settings made from the wireless remote control will appear on the wired remote control display except when making timer settings Buttons marked with are not needed for normal operation If one of these buttons is pressed by mistake press the same button once more to cancel the operation When the power resumed after power failure the unit...

Page 27: ...8 REFRIGERATION CYCLE CS W50BTP CU W50BBP8 CS W50BTP CU V50BBP8 27 ...

Page 28: ...tage Power Supply MODEL Unit Main Power Applicable Voltage CU Phase Volts Hz Max Min V50BBP8 3N 380 50 418 342 W50BBP8 3N 400 50 440 360 3N 415 50 457 374 Indoor and Outdoor Temperature Cooling only type Model 50Hz CU V50BBP8 Operating Hz Indoor Temp D B W B C Outdoor Temp D B W B C Max Min Max Min Cooling 50 32 23 21 15 43 5 Heat pump type Model 50Hz CU W50BBP8 Operating Hz Indoor Temp D B W B C ...

Page 29: ...ng capacities according to the connecting pipe length The data of cooling capacities marked on the name plate are based on 7 5 meters connecting pipe and horizontal installation For other pipe length of other installation multiply by the following correction factor to determine the revised cooling capacity 29 ...

Page 30: ...dia mm Gas piping dia mm Gas charge less length m Addition gas volume g m CU V50BBP8 12 7 19 05 7 100 Q Heat pump type Model Name Standard piping specification Liquid piping dia mm Gas piping dia mm Gas charge less length m Additional gas volume g m CU W50BBP8 9 52 19 05 30 50 Model Name Existing piping specification Larger piping Liquid piping dia mm Gas piping dia mm Gas charge less length m Add...

Page 31: ...0 73 0 17 1 02 0 23 9 20 9 20 5 35 5 45 MODEL 415 50 69 8 61 8 61 4 93 5 03 0 73 0 17 1 04 0 25 9 20 9 20 5 35 5 45 COOLING ONLY MODEL Model Main Power Source Compressor Motor Indoor Unit Fan Motor Outdoor unit Fan Motor Electrical Data 50Hz Voltage Frequency S C R C A IPT kW R C IPT R C IPT F C A IPT kW v Hz A Cool Cool A kW A kW Cool Cool COOLING CS W50BTP 380 50 69 8 62 4 97 0 74 0 16 0 99 0 22...

Page 32: ...12 FAN PERFORMANCE 32 ...

Page 33: ...ic Discharge Temp Compressor C 120 Protection OFF Discharge Temp Thermistor Th1 Liquid Compression Protection Crankcase Heater Input power W 34 41 Compressor Protection OFF C 50Hz 145 Internal Protector C 60Hz ON C 50Hz 61 C 60Hz Trip time 50Hz 3 10sec 48A 60Hz For Fan Motor Protection OFF C 135 Internal Protector 49F ON C 85 Heating Control Pressure Switch Heat pump only Fan speed 63H2 OFF MPa 1 ...

Page 34: ...w 12 Fin Material Aluminium Thickness mm 0 105 Fin Pitch NO inch 19 Fin Surface Z Slit fin Total Face Area m2 0 464 Fan Type Sirocco fan No of Unit 4 Fan Motor Starting Method Direct on line Starting Rated Output kW 0 14 Poles 4 Phase Single Phase Insulation Class E Condenser Models Heat pump CU W50BBP8 model Cooling only model CU V50BBP8 Tube Material Copper tube Outer Diameter mm 9 52 Thickness ...

Page 35: ...re 7 C D B 6 C W B T O Standard air volume 35m3 min CU W50BBP8 Heating capacity 14 0 kW Inlet Air Outdoor Temperature C W B T Air Volume m3 min Entering Air D B T C 6 C 0 C 6 C 12 C H C IPT H C IPT H C IPT H C IPT 15 11 68 3 82 14 00 4 36 16 8 5 18 19 5 6 10 35 20 11 04 4 03 13 20 4 63 16 0 5 45 19 2 6 32 25 10 40 4 25 12 48 4 91 15 2 5 72 18 4 6 52 H C Heating Capacity IPT Power Consumption 35 ...

Page 36: ... 14 00 13 02 12 32 22 16 79 16 22 15 37 14 28 13 65 17 14 19 13 68 12 88 12 10 11 50 29 19 15 40 14 84 14 01 13 12 12 47 22 16 72 16 15 15 27 14 30 13 64 17 14 17 13 69 11 97 12 16 11 59 32 19 15 37 14 84 14 01 13 19 12 57 22 16 67 16 10 15 26 14 31 13 64 Cooling power consumption Indoor Outdoor Temperature C D B T Air 25 30 35 40 43 Temperature IPT IPT IPT IPT IPT D B W B kW kW kW kW kW 17 4 26 4...

Page 37: ...TC Total Cooling Capacity IPT Power Consumption 37 ...

Page 38: ...16 DISCHARGE AND SUCTION PRESSURE 38 ...

Page 39: ...17 REACHING DISTANCE 39 ...

Page 40: ...18 SOUND DATA 40 ...

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Page 42: ...an indoor unit Master unit and slave units can be set automatically in twin and triple systems No address setting is necessary Multiple indoor units can be operated simultaneously with a single remote control unit Note that individual operation is not possible with louvres as the master unit The remote control termostat can also be set Optional circuit boards can only be installed to the master un...

Page 43: ... triple slave unit addresses Procedure Turn off the power supply and then set DIP switch 1 8 to ON The unit will become slave unit 1 Set DIP switches 1 1 and 1 8 both to ON The unit will become slave unit 2 Turn on the power supply Operation The unit will operate as slave unit 1 Automatic address setting is not carried out at this time If the setting is made while the power is still turned on it i...

Page 44: ...ity HP 3 0 3 0 2 0 4 0 Liquid side ø 9 52 Branch pipe diameter Liquid side ø 9 52 ø 9 52 ø 6 35 ø 9 52 Gas side ø 19 05 Gas side ø 15 88 ø 15 88 ø 12 7 ø 19 05 The following table shows the pipe diameters for a triple type system Outdoor unit main pipe diameter mm Indoor unit combinations 6HP Indoor unit capacity HP 2 0 2 0 2 0 1 5 1 5 3 0 Liquid side ø 9 52 Branch pipe diameter Liquid side ø 6 35...

Page 45: ...f the branch pipe L and the junction pipes la lb lc in order from the thickest diameter At the point where the pipe length exceeds 30 m determine the amount of refrigerant for the remaining liquid side pipe diameters and pipe lengths from the following table in order to charge the system 45 ...

Page 46: ...19 4 Wiring 46 ...

Page 47: ...minals 1 and 2 and the control wires connected to terminals 3 and 4 are connected correctly If they are connected incorrectly connect them correctly Normal operation should then commence Do not short the remote control wires to each other The protection circuit will be activated and the units will not operate Once the cause of the short is eliminated normal operation will then be possible NOTE Wai...

Page 48: ...n of the compressor will result 21 2 Test operation from the outdoor unit During outdoor unit emergency operation or test operation the LEDs on the printed circuit board will flash To cancel test operation press the TEST RUN button once more while test operation is being carried out Test operation will stop automatically after 30 minutes have passed 21 3 Test operation using the wired remote contr...

Page 49: ...s LEDs red on the outdoor unit printed circuit board indicate where the abnormality has occurred Recalling the error display Air conditioner No The air conditioner No 01 appears during normal installation and use When using group control a different number may appear The air conditioner No can be displayed by pressing the air conditioner No button When an abnormality occurs at this unit CHECK flas...

Page 50: ...WARD or BACK buttons Last problem display 1F15 1F49 Second last problem display 2F15 2F49 Press the CHECK button once more to return to the normal display An error code from 1F15 to 1F49 will be displayed The temperature setting display will also change to show the air conditioner No If the TIMER SELECT SET button is pressed while the error code from 1F15 to 1F49 is being displayed the display scr...

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Page 52: ...isplayed Press the TEMP UP or TEMP DOWN button to set the temperature Press the SET button to complete the lower limit setting Example If the cooling display is set to 22 C setting the temperature to lower than 22 C will not be possible Press the CANCEL button to cancel the setting 22 2 Switching to the remote control thermistor The temperature detection thermistor used for detecting the indoor te...

Page 53: ...y reset and then automatic address setting will be carried out once more be determined automatically after approximately 1 minute DIP switch settings are not necessary NOTE Correct wiring connections are a basic requirement for automatic setting If the wires are connected incorrectly when the power is turned on the settings will not be made correctly and operation will not be possible When address...

Page 54: ... open circuit at section B Symptom Remote control unit Display of No power supply NOTE Indoor unit No display Outdoor unit LED3 and LED7 on printed circuit board flash 3 The main power is turned on while the remote control unit connection cord is not connected open circuit at section C Symptom Remote control unit Display of No power supply NOTE Indoor unit LED1 on printed circuit board stays illum...

Page 55: ...the unit does not operate at all Outdoor unit The LEDs on the printed circuit board flash and operation stops 3 The main power is turned on while the remote control connection cord is not connected open circuit at section C Symptom Remote control unit Display of No power supply Indoor unit master LED1 on the printed circuit board stays illuminated and the unit does not operate Indoor unit slave LE...

Page 56: ...ash 3 The main power is turned on while the remote control connection cord is not connected open circuit at section C Symptom Nothing abnormal appears on the remote control display and operation of indoor unit No 1 and indoor unit No 2 is possible However indoor unit No 3 cannot be operated Remedy 1 Turn off the main power 2 Connect the disconnected wires correctly 3 Turn on the main power 4 After...

Page 57: ...s the master If the power source is installed to indoor units and outdoor units separately turn on the switch by following the Reset the address by following the procedure a After making sure that dip switches No 1 to 4 and No 8 are OFF stop the operation b Push address reset button SW3 on the outdoor unit PC board for 4 seconds Self diagnosis LED No 2 to 8 will start blinking in order And when al...

Page 58: ...h off the main power supply 2 Set the No 8 pin of dip switch DSW1 at the indoor unit s P C board to ON position 3 Switch on the main power supply for a minute and then turn it off 4 Set the No 8 pin of dip switch DSW1 to OFF position Procedures of deleting memory for group control system 1 Switch off the main power supply 2 Set the No 1 until No 4 pin of dip switch DSW1 at the indoor unit s P C bo...

Page 59: ...en a thermistor abnormality is judged to have occurred Set only the thermistor which shows an abnormality to the condition as shown in the table below to carry out emergency operation Thermistor Cooling mode Heating mode Indoor unit Room temperature Fixed at 25 C Pipe temperature Shorted Open Thermistor Cooling mode Heating mode Outdoor unit Discharge temperature Open Shorted Heat exchanger outlet...

Page 60: ...nds the heat exchanger outlet temperature is detected and the outdoor unit fan speed is changed automatically 2 Cooling low outdoor temperature protection When the outlet temperature of the heat exchanger drops to less than 12 C for a continuous period of 10 minutes the outdoor unit stops This is cancelled after 3 minutes re start prevention Remote control displays and indoor unit operation contin...

Page 61: ...eed set by the remote control The remote control display does not change 2 Cancelling This control is cancelled when the temperature detected by the indoor unit pipe temperature sensor is 15 C or higher however 3 minutes waiting of prevention control is necessary The 9 minutes countdown is cleared while the compressor is stopped The above illustration only shows the operation stops due to freezing...

Page 62: ...hen heating mode operation starts b Operation PREHEAT appears on the remote control display Other displays remain unchanged The indoor unit fan stops In addition during hot starting the louvre stays at the horizontal position angle 0 c Cancelling Hot starting will be cancelled when the compressor is turned on or the indoor unit pipe temperature sensor is 18 C or higher or after 1 minute of operati...

Page 63: ...sition angle 0 C c Cancelling Hot starting will be cancelled when the temperature detected by the indoor unit pipe temperature sensor is 18 C or higher or after a maximum 1 minute has passed since defrosting was completed After cancellation the PREHEAT display on the remote control disappears and the louvre operation returns to the previous setting However the indoor unit fan operates at LOW speed...

Page 64: ...conds and at 3 minutes interval after that it switches back to LOW operation for another 10 seconds 26 6 Excess heat dissipation for indoor unit The indoor unit fan continue its operation for 30 seconds after heating mode operation turns off in order to dissipate excess heat 1 When heating mode operation has stopped LOW speed for 30 seconds 2 When operation is set to a mode other than heating by m...

Page 65: ...mperature detected by the outdoor unit heat exchanger outlet sensor is 25 C or lower defrosting is carried out regardless of the current starting conditions 2 Operation a During defrosting the outdoor unit turns on the compressor and turns off the outdoor unit fan and the reversing valve b The indoor unit fan operates at LOW speed for 30 seconds upon defrosting starts After this the indoor unit fa...

Page 66: ...ode 4 is forcibly activated 3 Thermostat characteristics during automatic changeover operation a Settings at the start of automatic changeover operation When operation changes from other modes to automatic changeover mode operation starts at the temperature characteristics given in the table below b Thermostat characteristic when switching between cooling and heating mode operation Switching betwe...

Page 67: ...c Thermostat characteristics during cooling mode and heating operation The thermostat on off characteristics in both operation modes are given in the table below 67 ...

Page 68: ...o 16 C and below during cooling mode operation 26 11 Louvre control models with louvre 1 When main power is turned on When the power is turned on indoor unit louvre position detection is carried out twice and then the indoor unit louvre stops 2 During initial operation When the OFF ON button is pressed to start the operation the louvre moves through one full cycle and then swings automatically if ...

Page 69: ...o continue with all abnormalities other than a discharge temperature abnormality high pressure abnormality or overcurrent abnormality being ignored 26 15 DIP switch settings Indoor unit printed circuit board DSW1 No Setting type Factory shipment Remarks 1 Group address setting twin triple address setting OFF When group operation is being carried out using the remote control this address is set in ...

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Page 104: ...31 REPLACEMENT PARTS 31 1 INDOOR UNIT 104 ...

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Page 107: ...8A 35 VERTICAL VANE HOLDER MANUAL 4 CWD911107 36 VERTICAL VANE HORIZ AIR FLOW 16 CWE241051 37 CONNECTING BAR 8 CWE261019 38 AIR SWING MOTOR COMPLETE 1 CWA98C1004 39 CONTROL BOARD ASS Y 1 CWH10K1018 40 TERMINAL BOARD 1 CWA281015 41 CAPACITOR FAN MOTOR MF V 1 DS461305QP A 0 3 460 42 NOISE FILTER 1 CWA491018 43 ELECTRONIC CONTROLLER 1 CWA73C1167 44 LOCKING GUARD SPACER 8 CWH541026 45 PCB SUPPORTER 1 ...

Page 108: ...All parts are supplied from MAICO Malaysia Vendor Code 061 108 ...

Page 109: ...31 2 OUTDOOR UNIT 109 ...

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Page 113: ...PING SENSOR DISCHARGE 1 CWA501044 24 PIPING SENSOR COIL 1 CWA501045 25 SPRING FOR SENSOR 2 CWH711010 26 CABINET REAR PLATE 1 CWE02C1010 27 CONTROL BOARD 1 CWH141004 28 COMPRESSOR RELAY 1 CWA001005 29 TERMINAL BOARD ASS Y 1 CWA28K1029 30 CAPACITOR FAN MOTOR 2 DS461355QP A 3 5 460 31 ELECTRONIC CONTROLLER 1 CWA73C1211 32 TRANSFORMER 1 CWA401029 33 CURRENT TRANSFORMER BOARD 1 CWA742592 34 BRACKET FAN...

Page 114: ...5 25 SPRING FOR SENSOR 2 CWH711010 26 CABINET REAR PLATE 1 CWE02C1009 27 CONTROL BOARD 1 CWH141004 28 COMPRESSOR RELAY 1 CWA001005 29 TERMINAL BOARD ASS Y 1 CWA28K1029 30 CAPACITOR FAN MOTOR 2 DS461355QP A 3 5µF 460 31 ELECTRONIC CONTROLLER EEPROM 1 CWA73C1202 32 TRANSFORMER 1 CWA401029 33 CURRENT TRANSFORMER BOARD 1 CWA742592 34 BRACKET FAN MOTOR 1 CWD541028 35 SCREW BRACKET FAN MOTOR 4 CWH551040...

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