Panasonic cs-s9pkv Service Manual
  1. Manuals
  2. Brands
  3. Panasonic Manuals
  4. Air Conditioner
  5. cs-s9pkv
  6. Service manual

Panasonic cs-s9pkv Service Manual

Hide thumbs Also See for cs-s9pkv:
Table of Contents

Advertisement

Quick Links

This service information is designed for experienced repair technicians 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 products dealt with in this service information by anyone else could result in serious injury or death.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
WARNING
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
CS-S9PKV
CS-S12PKV
CS-S18PKV
CS-S24PKV
CS-S28PKV
© Panasonic Corporation 2013
Order No: PAPAMY1303008CE
Outdoor Unit
CU-S9PKV
CU-S12PKV
CU-S18PKV
CU-S24PKV
CU-S28PKV
Destination
Latin America

Advertisement

Table of Contents
loading

Related Manuals for Panasonic cs-s9pkv

Summary of Contents for Panasonic cs-s9pkv

  • Page 1 PRECAUTION OF LOW TEMPERATURE In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit. © Panasonic Corporation 2013...

  • Page 2: Table Of Contents

    30 Seconds Forced Operation ....84 13.3 Total Running Current Control ....84 5. Refrigeration Cycle Diagram ......17 13.4 IPM (Power Transistor) Prevention CS-S9PKV CU-S9PKV Control ............84 CS-S12PKV CU-S12PKV......17 13.5 Compressor Overheating Prevention CS-S18PKV CU-S18PKV Control (For S18, S24, 28PK only).... 85 CS-S24PKV CU-S24PKV......18...

  • Page 3: Safety Precautions

    1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.  Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. ...
  • Page 4 WARNING During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.).

  • Page 5: Specification

    2. Specification Indoor CS-S9PKV CS-S12PKV Model Outdoor CU-S9PKV CU-S12PKV Performance Test Condition Phase, Hz Single, 60 Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 0.84 2.65 3.20 0.92 3.23 4.00 Capacity BTU/h 2860 9040 10900 3140 11000 13600...
  • Page 6 Control Device Capillary Tube Capillary Tube Refrigeration Refrigerant Oil FV50S (250) FV50S (320) Cycle Refrigerant Type g (oz) R410A, 820 (28.9) R410A, 850 (30.0) Height (I/D / O/D) mm (inch) 290 (11-7/16) 511 (20-1/8) 290 (11-7/16) 542 (21-11/32) Dimension Width (I/D / O/D) mm (inch) 870 (34-9/32) 650 (25-19/32)
  • Page 7 Indoor CS-S18PKV CS-S24PKV Model Outdoor CU-S18PKV CU-S24PKV Performance Test Condition Phase, Hz Single, 60 Single, 60 Power Supply Min. Mid. Max. Min. Mid. Max. 1.10 5.20 6.00 1.12 6.00 7.10 Capacity BTU/h 3750 17700 20500 3820 20500 24200 kJ/h 3960 18720 21600 4030...
  • Page 8 Height (I/D / O/D) mm (inch) 290 (11-7/16) 695 (27-3/8) 290 (11-7/16) 695 (27-3/8) Dimension Width (I/D / O/D) mm (inch) 1070 (42-5/32) 875 (34-15/32) 1070 (42-5/32) 875 (34-15/32) Depth (I/D / O/D) mm (inch) 240 (9-15/32) 320 (12-5/8) 240 (9-15/32) 320 (12-5/8) Weight Net (I/D / O/D)
  • Page 9 Indoor CS-S28PKV Model Outdoor CU-S28PKV Performance Test Condition Phase, Hz Single, 60 Power Supply Min. Mid. Max. 1.15 8.40 Capacity BTU/h 3920 26600 28600 kJ/h 4140 28080 30240 Running Current 12.6 Input Power 2.70k 2.95k 3.29 2.89 2.85 BTU/hW 11.20 9.85 9.69 kJ/hW...
  • Page 10 Height (I/D / O/D) mm (inch) 290 (11-7/16) 795 (31-5/16) Dimension Width (I/D / O/D) mm (inch) 1070 (42-5/32) 875 (34-15/32) Depth (I/D / O/D) mm (inch) 240 (9-15/32) 320 (12-5/8) Weight Net (I/D / O/D) kg (lb) 12 (26) 57 (126) Pipe Diameter (Liquid / Gas) mm (inch)

  • Page 11: Location Of Controls And Components

    3. Location of Controls and Components Indoor Unit Aluminium Fin Auto OFF/ON button • Use when remote control is misplaced or a malfunction occurs Air Filters Indicator Front panel (Green) (Green) POWER (Orange) TIMER (Green) AUTO COMFORT (Blue) Human Activity Sensor NANOE-G (Orange) POWERFUL...

  • Page 12: Dimensions

    4. Dimensions Indoor Unit 4.1.1 CS-S9PKV CS-S12PKV...
  • Page 13 4.1.2 CS-S18PKV CS-S24PKV CS-S28PKV...

  • Page 14: Outdoor Unit

    Outdoor Unit 4.2.1 CU-S9PKV 4.2.2 CU-S12PKV...
  • Page 15 4.2.3 CU-S18PKV CU-S24PKV...
  • Page 16 4.2.4 CU-S28PKV...

  • Page 17: Refrigeration Cycle Diagram

    5. Refrigeration Cycle Diagram CS-S9PKV CU-S9PKV CS-S12PKV CU-S12PKV...

  • Page 18: Cs-S18Pkv Cu-S18Pkv Cs-S24Pkv Cu-S24Pkv

    CS-S18PKV CU-S18PKV CS-S24PKV CU-S24PKV...

  • Page 19: Cs-S28Pkv Cu-S28Pkv

    CS-S28PKV CU-S28PKV...

  • Page 20: Block Diagram

    6. Block Diagram CS-S9PKV CU-S9PKV...

  • Page 21: Cs-S12Pkv Cu-S12Pkv

    CS-S12PKV CU-S12PKV...

  • Page 22: Cs-S18Pkv Cu-S18Pkv Cs-S24Pkv Cu-S24Pkv

    CS-S18PKV CU-S18PKV CS-S24PKV CU-S24PKV...

  • Page 23: Cs-S28Pkv Cu-S28Pkv

    CS-S28PKV CU-S28PKV...

  • Page 24: Wiring Connection Diagram

    7. Wiring Connection Diagram Indoor Unit 7.1.1 CS-S9PKV CS-S18PKV CS-S24PKV...
  • Page 25 7.1.2 CS-S12PKV Resistance of Indoor Fan Motor Windings MODEL CS-S12PKV CONNECTION CWA921443 YELLOW-BLUE 182.0 Ω YELLOW-RED 226.8 Ω Winding Resistance at 20°C.
  • Page 26 7.1.3 CS-S28PKV...

  • Page 27: Outdoor Unit

    Outdoor Unit 7.2.1 CU-S9PKV YELLOW (YLW) BLUE (BLU) RED (RED) TRADE MARK COMP. TERMINAL Resistance of Compressor Windings MODEL CU-S9PKV CONNECTION 5S2072XGA21 3.034 Ω 3.021 Ω 3.009 Ω Winding Resistance at 20°C. Resistance of Outdoor Fan Motor Windings MODEL CU-S9PKV CONNECTION CWA951734 YELLOW-BLUE...
  • Page 28 7.2.2 CU-S12PKV Resistance of Compressor Windings MODEL CU-S12PKV CONNECTION 5RS092XCE21 1.152 Ω 1.152 Ω 1.152 Ω Winding Resistance at 20°C. Resistance of Outdoor Fan Motor Windings MODEL CU-S12PKV CONNECTION CWA951466 YELLOW-BLUE 262.7 Ω YELLOW-RED 271.0 Ω Winding Resistance at 20°C.
  • Page 29 7.2.3 CU-S18PKV CU-S24PKV TO INDOOR UNIT YELLOW (YLW) TERMINAL (BLACK) (WHITE) (RED) BOARD REACTOR BLUE (BLU) RED (RED) TRADE MARK COMP. TERMINAL L2-1 L2-0 COM3 (RED) OUTDOOR AIR TEMP. SENSOR (THERMISTOR) NOISE FILTER SENSOR CN-TH1 CIRCUIT COMPLETE (WHT) AC-BLK (BLK) PIPING TEMP.
  • Page 30 7.2.4 CU-S28PKV REMARKS REACTOR BLU : BLUE BLK : BLACK WHT: WHITE RED: RED YLW : YELLOW GRY: GR AY GRN: GREEN TERMINAL ORG: ORANGE BOARD Y/G : YELLOW/GREEN L2-1 L2-0 CORE ACL1 CN-BLK AC-BLK FUSE3 CORE (250V, 25A) RY-PWR2 ACN1 AC-WHT RY-C...

  • Page 31: Electronic Circuit Diagram

    8. Electronic Circuit Diagram Indoor Unit 8.1.1 CS-S9PKV CS-S18PKV CS-S24PKV...
  • Page 32 8.1.2 CS-S12PKV...
  • Page 33 8.1.3 CS-S28PKV...

  • Page 34: Outdoor Unit

    Outdoor Unit 8.2.1 CU-S9PKV Sensor (Thermistor) Compressor Temp. Sensor Characteristics (Thermistor) Characteristics Outdoor Air Sensor Outdoor Heat Exchanger Sensor Temperature ( Temperature (...
  • Page 35 8.2.2 CU-S12PKV...
  • Page 36 8.2.3 CU-S18PKV CU-S24PKV TO INDOOR UNIT REACTOR TERMINAL (BLACK) (WHITE) (RED) BOARD L2-1 L2-0 R101 R100 COM3 OUTDOOR TEMP. (RED) SENSOR NOISE FILTER CIRCUIT AC-BLK PIPING TEMP. (BLK) SENSOR1 COMMUNICATION CIRCUIT FUSE3 (20A 250V) FUSE2 T3.15A L250V SWITCHING AC-WHT POWER (WHT) SUPPLY CIRCUIT...
  • Page 37 8.2.4 CU-S28PKV REACTOR TERMINAL BOARD L2-1 L2-0 CORE ACL1 CN-BLK AC-BLK FUSE3 CORE (250V, 25A) RY-PWR2 ACN1 AC-WHT RY-C CORE COMPRESSOR TERMINAL CORE CN-WHT RY-PWR1 BOARD PTC1 FUSE1 T2.5A L250V PTC2 FUSE2 COM3 T3.15A L250V SSR1 CORE OUTDOOR TEMP. SENSOR R101 R100 (15k Ohm.

  • Page 38: Printed Circuit Board

    9. Printed Circuit Board Indoor Unit 9.1.1 Main Printed Circuit Board 9.1.1.1 CS-S9PKV CS-S18PKV CS-S24PKV CS-S28PKV...
  • Page 39 9.1.1.2 CS-S12PKV...
  • Page 40 9.1.2 Indicator Printed Circuit Board CN-DISP 9.1.3 High Voltage Power Supply Printed Circuit Board 9.1.4 Comparator Printed Circuit Board CN-SENS1 CN-SENS2 CN-MSENS...
  • Page 41 9.1.5 Human Activity Sensor Printed Circuit Board...

  • Page 42: Outdoor Unit

    Outdoor Unit 9.2.1 Main Printed Circuit Board 9.2.1.1 CU-S9PK...
  • Page 43 9.2.1.2 CU-S12PK...
  • Page 44 9.2.1.3 CU-S18PK CU-S24PK...
  • Page 45 9.2.1.4 CU-S28PK...
  • Page 46 9.2.2 Noise Filter Printed Circuit Board 9.2.2.1 CU-S9PKV...
  • Page 47 9.2.2.2 CU-S28PKV...

  • Page 48: Installation Instruction

    10. Installation Instruction (For CS/CU-S9/12/18/24PKV only) 10.1 Select the Best Location 10.1.1 Indoor Unit 10.1.3 Indoor/Outdoor Unit Installation Diagram  Do not install the unit in excessive oil fume area such as kitchen, workshop and etc.  There should not be any heat source or steam near the unit.

  • Page 49: Indoor Unit

    Indoor Unit 10.1.4 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from the vibration. Dimension Model 490 mm 82 mm 439 mm 432 mm 43 mm 95 mm S9***, S12*** 590 mm 82 mm 539 mm 532 mm...
  • Page 50 10.1.6 Indoor Unit Installation 10.1.6.1 For the Right Rear Piping 10.1.6.2 For the Right and Right Bottom Piping 10.1.6.3 For the Embedded Piping (This can be used for left rear piping and bottom piping also.)

  • Page 52: Connect The Cable To The Indoor Unit

    10.1.7 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 (1.0 ~ 1.5HP) or 4 x 2.5 mm (2.0 ~ 2.5HP) flexible cord, type designation 60245 IEC 57 or heavier cord.
  • Page 53 10.1.7.1 Wire Stripping and Connecting Requirement 10.1.7.2 Cutting and Flaring the Piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe.

  • Page 54: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Install the Outdoor Unit  After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 55 10.2.3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve.
  • Page 56 10.2.4 Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm (1.0 ~ 1.5HP) or 4 x 2.5 mm (2.0 ~ 2.5HP) flexible cord, type designation 60245 IEC 57 or heavier cord.

  • Page 57: Installation Instruction

    11. Installation Instruction (For CS/CU-S28PKV only) 11.1 Select the Best Location 11.1.3 Indoor/Outdoor Unit Installation 11.1.1 Indoor Unit Diagram  Do not install the unit in excessive oil fume area such as kitchen, workshop and etc.  There should not be any heat source or steam near the unit.

  • Page 58: Indoor Unit

    Indoor Unit 11.1.4 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from the vibration. Dimension Model S28*** 590 mm 82 mm 539 mm 532 mm 169 mm 219 mm The center of installation plate should be at more than 1 at right and left of the wall. The distance from installation plate edge to ceiling should more than 2.
  • Page 59 11.1.6 Indoor Unit Installation 11.1.6.1 For the Right Rear Piping 11.1.6.2 For the Right and Right Bottom Piping 11.1.6.3 For the Embedded Piping (This can be used for left rear piping and bottom piping also.)
  • Page 61 11.1.7 Connect the Cable to the Indoor Unit The inside and outside connection cable can be connected without removing the front grille. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm flexible cord, type designation 60245 IEC 57 or heavier cord. Bind all the indoor and outdoor connection cable with tape and route the connection cable via the escapement.
  • Page 62 11.1.7.1 Wire Stripping and Connecting Requirement 11.1.7.2 Cutting and Flaring the Piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe.

  • Page 63: Outdoor Unit

    11.2 Outdoor Unit 11.2.1 Install the Outdoor Unit  After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 64 11.2.3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve.
  • Page 65 11.2.4 Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Secure the power supply cord and connection Cable connection to the power supply through cable onto the control board with the holder. Isolating Devices (Disconnecting means).

  • Page 66: Operation Control

    12. Operation Control 12.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operation mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operation mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.

  • Page 67: Indoor Fan Motor Operation

    12.2 Indoor Fan Motor Operation 12.2.1 Basic Rotation Speed  Manual Fan Speed Fan motor’s number of rotation is determined according to remote control setting. Remote control ○ ○ ○ ○ ○  Auto Fan Speed According to room temperature and setting temperature, indoor fan speed is determined automatically. The indoor fan will operate according to pattern below.

  • Page 68: Airflow Direction

    12.5 Airflow Direction  There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes).  Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using remote control).

  • Page 69: Quiet Operation (Cooling Mode/Cooling Area Of Dry Mode)

    CS-S9, 12PK Pattern Airflow Direction Patterns at Remote Control Vane Angle (°) 77.5 102.5 CS-S18, 24, 28PK Pattern Airflow Direction Patterns at Remote Control Vane Angle (°) 12.6 Quiet Operation (Cooling Mode/Cooling Area of Dry Mode)  Purpose To provide quiet cooling operation compare to normal operation. ...

  • Page 70: Timer Control

    12.8 Timer Control  There are 2 sets of ON and OFF timer is available to turn the unit ON or OFF at different preset time.  If more than one timer had been set, the upcoming timer will be display and will activated in sequence. 12.8.1 ON Timer Control ON Timer 1 and ON Timer 2 can be set using remote control, where the unit with timer set will start operation earlier...

  • Page 71: Nanoe-G Operation

    12.11 nanoe-G Operation  This operation provides clean air by producing great amount of negative ions and distribute through the discharge airflow to capture or deactivate molds, bacteria or viruses.  nanoe-G operation start condition During unit running at any operation mode, if nanoe-G operation is activated, combination operation (operation mode + nanoe-G operation) starts.
  • Page 72  nanoe-G check mode To enable nanoe-G check mode, during nanoe-G operation ON: If there is abnormal discharge, nanoe-G indicator blinks immediately.  Error detection control When nanoe-G indicator blinks, it indicates error listed below: Nanoe-G connector at main PCB open ...

  • Page 73: In-Filter Deactivation Operation

    nanoe-G breakdown error Judgment method   Hi-feedback voltage (at microcontroller) supplied to the nanoe-G system when nanoe-G operation is OFF; nanoe-G breakdown error show immediately.  It is due to indoor PCB or nanoe-G high voltage power supply damage. ...

  • Page 74: Mild Dry Cooling Operation

    12.13 Mild Dry Cooling Operation  This operation helps to prevent decreases in room humidity while maintaining the setting temperature.  During unit running at Cooling operation mode, if “Mild Dry Cooling” button is pressed, Mild Dry Cooling operation starts and Mild Dry Cooling indicators turns ON at remote control display. ...
  • Page 75 12.14.1 Human Activity Sensor  Area of human availability, activity level and absent is judged based on pulses by using 2 infrared sensors. The internal setting temperature shift, fan speed and horizontal airflow direction are adjusted in order to provide comfort environment while maintain the energy saving level.
  • Page 76 12.14.1.1 Signal Detection  Human Activity sensor will turns on according to infrared sensors signal detection. Signal detection Human Activity Indicator Possible detected human position area Sensor 1 Sensor 2 Left Center Right ■ ■ □ □ ■ ■ ■ □...
  • Page 77 12.14.1.7 Setting Position Judgment  According to installation position when there is only one activity area detected, the horizontal airflow direction louver position is fixed according to chart below: Horizontal airflow direction louver position Target area Left installation Center installation Right installation ...
  • Page 78 12.14.1.9 Rhythmic Temperature Wave Operation  To further maximize the energy saving during ECONAVI or AUTO COMFORT operates at low activity level.  Start condition The unit is operates in Cool or Dry mode under ECONAVI or AUTO COMFORT operation, and Human activity sensor detects low activity level continuously for 60 minutes, and ON Timer is not activated.
  • Page 79 12.14.1.10 ECONAVI and AUTO COMFORT Demo Mode  To enable ECO DEMO mode:  To disable ECO Demo MODE:  Transmit ECO Demo signal again.  Operation details Infrared Sensor Human Activity Indicator Vane Position Fan Speed Sensor 1 Sensor 2 Left Center Right...
  • Page 80 12.14.1.11 Human Activity Sensor Abnormality  Abnormality detection:  Connector disconnection / Wire cut abnormality o Sensor judge Hi level continuously for 25 seconds  Circuit abnormality o 70 seconds after power ON, if infrared sensor judge Lo level continuously for 25 seconds ...
  • Page 81 12.14.2 Sunlight Sensor  During ECONAVI operation, the sunlight sensor detects sunlight intensity coming through windows and differentiates between sunny and cloudy or night to further optimize energy saving by adjusting the temperature.  Sunlight judgment is as following 12.14.2.1 Sunlight Intensity Reset ...
  • Page 82 12.14.2.2 Judge Sunlight Intensity  Based on sunlight sensor output voltage, the sunlight intensity value will be computed and logged to sunlight intensity database.  The sunlight sensor sensitivity could be adjusted: 12.14.2.3 Judge Ambient Condition  According to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny, cloudy or night.
  • Page 83 12.14.2.5 Sunlight Sensor Check Mode  To enable sunlight sensor check mode, during unit is OFF (power standby):  Operation details The sunlight sensor check mode will be operated for 5 minutes. During check mode, the ON and OFF timer will be memorized but it operation be ignored. During check mode, if the sunlight sensor check code is retransmitted, the 5 minutes counter will be reset.

  • Page 84: Protection Control

    13. Protection Control 13.1 Restart Control (Time Delay Safety Control)  The compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. ...

  • Page 85: Compressor Overheating Prevention Control (For S18, S24, 28Pk Only)

    13.5 Compressor Overheating Prevention Control (For S18, S24, 28PK only)  Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below.  If compressor discharge temperature exceeds 112°C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.

  • Page 86: Outdoor Air Temperature Control

    13.10 Outdoor Air Temperature Control  The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  This control will begin 1 minute after the compressor starts.  Compressor frequency will adjust based on outdoor air temperature. Free 38°C 37°C...

  • Page 87: Odor Cut Control

    13.15 Odor Cut Control  To reduce the odor released from the unit. Start Condition  AUTO FAN Speed is selected during COOL or DRY operation.  During freeze prevention control and timer preliminary operation, this control is not applicable. Control content ...

  • Page 88: Servicing Mode

    14. Servicing Mode 14.1 Auto Off/On Button Auto OFF/ON Auto OFF/ON Button Pressed Button Pressed 5 sec Auto Operation Test Run Operation Stop (Forced Cooling Operation) Beep AUTO OPERATION MODE The Auto Operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction.

  • Page 89: Remote Control Button

    14.2 Remote Control Button 14.2.1 SET Button  To check remote control transmission code and store the transmission code to EEPROM. Press “Set” button continuously for 10 seconds by using pointer. Press “Timer Set” button unit a “beep” sound is heard as confirmation of transmission code change. Confirm setting by pressing “Timer Set”...

  • Page 90: Troubleshooting Guide

    15. Troubleshooting Guide 15.1 Refrigeration Cycle System In order to diagnose malfunctions, ensure the air conditioner is free Normal Pressure and Outlet Air Temperature (Standard) from electrical problems before inspecting the refrigeration cycle. Gas Pressure Outlet air Temperature Such problems include insufficient insulation, problem with the (kg/cm (°C) power source, malfunction of a compressor and a fan.
  • Page 91 15.1.1 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 ...

  • Page 92: Breakdown Self Diagnosis Function

    15.2 Breakdown Self Diagnosis Function 15.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once error occurred during operation, the unit will stop its operation, and Timer LED blinks.  Although Timer LED goes off when power supply is turned off, if the unit is operated under a breakdown condition, the LED will ON again.

  • Page 93: Error Code Table

    15.3 Error Code Table Diagnosis Emergency Abnormality / Protection control Abnormality Judgment Primary location to verify display Operation No abnormality detected Normal operation  Internal / external cable connection Indoor / Outdoor abnormal > 1 min after starting Indoor fan operation ...

  • Page 94: Troubleshooting Flowchart

    15.4 Troubleshooting Flowchart 15.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of cooling, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused  Faulty indoor unit PCB. ...
  • Page 95 15.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions  During startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit or outdoor unit PCBs mounted. ...
  • Page 96 15.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 97 15.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor. ...
  • Page 98 15.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions  A current transformer (CT) is detected by checking the compressor running frequency (≥ rated frequency) and CT detected input current (less than 1.14 A) for continuously 20 seconds. Malfunction Caused ...
  • Page 99 15.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550 rpm or < 50 rpm). Malfunction Caused ...
  • Page 100 15.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor.
  • Page 101 15.4.8 H25 (nanoe-G Air Purifying System Abnormal) Malfunction Decision Conditions  During standby of cooling operation, nanoe-G breakdown occurs and air conditioner stops operation. Malfunction Caused  Faulty indoor main PCB.  Faulty indoor nanoe-G power module. Troubleshooting...
  • Page 102 15.4.9 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor. ...
  • Page 103 15.4.10 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor. ...
  • Page 104 15.4.11 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor.
  • Page 105 15.4.12 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions  The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit and outdoor unit PCBs used.  Indoor unit or outdoor unit PCB defective.
  • Page 106 15.4.13 H59 (Human Activity Sensor Abnormality) Malfunction Decision Conditions  Feedback signal of human activity sensor. Malfunction Caused  Feedback signal is fixed at 0 VDc or 5 VDc continuously for 25 seconds during ECONAVI or AUTO COMFORT operation.  Feedback signal is detected during ECONAVI or AUTO COMFORT off.
  • Page 107 15.4.14 H70 (Light Sensor Abnormality) Malfunction Decision Conditions  Feedback signal of light sensor. Malfunction Caused  Feedback value is 0 VDC continuously. Troubleshooting...
  • Page 108 15.4.15 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused  Operation stops due to short circuit inside the fan motor winding. ...
  • Page 109 15.4.16 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions  The temperature detected by the indoor pipe temperature sensor is abnormal. Malfunction Caused  Clogged air filter of the indoor unit. ...
  • Page 110 15.4.17 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions  Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C). Malfunction Caused  Clogged air filter of the indoor unit.  Dust accumulation on the indoor unit heat exchanger. ...
  • Page 111 15.4.18 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  When cooling operation, when indoor pipe temperature or indoor heat exchanger temperature sensor is above 45°C. Malfunction Caused  Faulty connector connection.  Faulty indoor pipe temperature sensor.  Faulty indoor main PCB.
  • Page 112 15.4.19 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  During startup and operation of cooling, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal high DC voltage level. Malfunction Caused  DC voltage peak due to power supply surge. ...
  • Page 113 15.4.20 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  During cooling, compressor frequency = Fcmax.  During cooling and heating operation, running current: 0.65 A < I < 1.65 A.  During cooling, indoor intake - indoor pipe < 4°C. Malfunction Caused ...
  • Page 114 15.4.21 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused  Compressor terminal disconnect.  Outdoor PCB malfunction. Troubleshooting...
  • Page 115 15.4.22 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooling, when outdoor unit heat exchanger high temperature data (61°C) is detected by the outdoor pipe temperature sensor. Malfunction Caused  Outdoor pipe temperature rise due to short circuit of hot discharge air flow. ...
  • Page 116 15.4.23 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooling, when IPM temperature data (100°C) is detected by the IPM temperature sensor. Malfunction Caused  IPM overheats due to short circuit of hot discharge air flow.  IPM overheats due to defective of outdoor fan motor. ...
  • Page 117 15.4.24 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooling, when compressor tank temperature data (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused  Refrigerant shortage (refrigerant leakage).  2/3 way valve closed.  Detection error due to faulty compressor tank temperature sensor. Troubleshooting...
  • Page 118 15.4.25 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling operation, when an input over-current is detected by checking the input current value being detected by current transformer (CT) with the compressor running. Malfunction Caused  Over-current due to compressor failure. ...
  • Page 119 15.4.26 F99 (DC Peak Detection) Malfunction Decision Conditions During startup and operation of cooling, when inverter DC peak data is received by the outdoor internal DC peak sensing circuitry. Malfunction Caused  DC current peak due to compressor failure.  DC current peak due to defective power transistor (IPM).

  • Page 120: Disassembly And Assembly Instructions

    16. Disassembly and Assembly Instructions WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 16.1 CS-S9PK CS-S12PK 16.1.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal...
  • Page 121 Figure 3 Figure 4 16.1.1.3 To Remove Discharge Grille Figure 5...
  • Page 122 16.1.1.4 To Remove Control Board Figure 6 16.1.1.5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 7 Figure 8...
  • Page 123 Figure 9 Figure 10...

  • Page 124: Cs-S18Pk Cs-S24Pk Cs-S28Pk

    WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 16.2 CS-S18PK CS-S24PK CS-S28PK 16.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 16.2.1.1...
  • Page 125 16.2.1.3 To Remove Power Electronic Controller Figure 13 Figure 14 Figure 15...
  • Page 126 16.2.1.4 To Remove Discharge Grille Figure 16 16.2.1.5 To Remove Control Board Figure 17 16.2.1.6 To Remove Cross Flow Fan and Indoor Fan Motor Figure 18...
  • Page 127 Figure 19 Figure 20 Figure 21...

  • Page 128: Technical Data

    17. Technical Data 17.1 Operation Characteristics 17.1.1 CS-S9PKV CU-S9PKV  Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m Compressor Frequency = Fc...
  • Page 129  Piping Length Characteristic Cooling Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Compressor Frequency = Fc...
  • Page 130 17.1.2 CS-S12PKV CU-S12PKV  Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 7.5m Compressor Frequency = Fc...
  • Page 131  Piping Length Characteristic Cooling Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Compressor Frequency = Fc...
  • Page 132 17.1.3 CS-S18PKV CU-S18PKV  Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: Compressor Frequency = Fc...
  • Page 133  Piping Length Characteristic Cooling Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Compressor Frequency = Fc...
  • Page 134 17.1.4 CS-S24PKV CU-S24PKV  Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: Compressor Frequency = Fc...
  • Page 135  Piping Length Characteristic Cooling Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Compressor Frequency = Fc...
  • Page 136 17.1.5 CS-S28PKV CU-S28PKV  Cooling Characteristic Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: Compressor Frequency = Fc...
  • Page 137  Piping Length Characteristic Cooling Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Outdoor temperature: 35°C (DBT), 24°C (WBT) Compressor Frequency = Fc...

  • Page 138: Exploded View And Replacement Parts List

    18. Exploded View and Replacement Parts List 18.1 Indoor Unit 18.1.1 CS-S9PKV CS-S12PKV Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 139 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-S9PKV CS-S12PKV REMARK CHASSIS COMPLETE CWD50C1605 ← FAN MOTOR ARW7671AC CWA921443 CROSS-FLOW FAN COMPLETE CWH02C1149 ← BEARING ASSY CWH64K007 ← SCREW - CROSS-FLOW FAN CWH551146 ← GENERATOR COMPLETE CWH94C0043 ← EVAPORATOR CWB30C4370...
  • Page 140 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-S9PKV CS-S12PKV REMARK CWG861497 ← SHOCK ABSORBER ( L ) CWG713386 ← SHOCK ABSORBER ( R ) CWG713387 ← C.C.CASE CWG568976 CWG568977 (Note)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).
  • Page 141 18.1.2 CS-S18PKV CS-S24PKV CS-S28PKV Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 142 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-S18PKV CS-S24PKV CS-S28PKV REMARK CHASSIS COMPLETE CWD50C1604 ← ← FAN MOTOR ARW7671AC ARW7627AC ← CROSS-FLOW FAN COMPLETE CWH02C1150 ← ← BEARING ASSY CWH64K007 ← ← SCREW - CROSS-FLOW FAN CWH551146 ← ← GENERATOR COMPLETE CWH94C0043 ←...
  • Page 143 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-S18PKV CS-S24PKV CS-S28PKV REMARK INSTALLATION INSTRUCTION CWF615730 ← CWF615732 POWER SUPPLY CORD - COMPLETE CWA20C2851 CWA20C2853 CWG861498 ← ← SHOCK ABSORBER ( L ) CWG713402 ← ← SHOCK ABSORBER ( R ) CWG713403 ←...

  • Page 144: Outdoor Unit

    18.2 Outdoor Unit 18.2.1 CU-S9PKV Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 145 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-S9PKV REMARK CHASSIS ASSY CWD50K2235 FAN MOTOR BRACKET CWD541074 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951734 SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASSY CWH03K1020 NUT - PROPELLER FAN CWH56053J COMPRESSOR 5SS072XGA21...
  • Page 146 18.2.2 CU-S12PKV Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 147 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-S12PKV REMARK CHASSIS ASSY CWD50K2071 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951466 SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASSY CWH03K1010 NUT - PROPELLER FAN CWH56053J COMPRESSOR 5RS092XCE21...
  • Page 148 18.2.3 CU-S18PKV CU-S24PKV Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 149 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-S18PKV CU-S24PKV REMARK CHASSIS ASSY CWD52K1249 ← ANTI - VIBRATION BUSHING CWH50077 ← COMPRESSOR 5RD132XHA21 ← NUT - COMPRESSOR MOUNT CWH56000J ← SOUND PROOF MATERIAL CWG302600 ← FAN MOTOR BRACKET CWD541154 ← FAN MOTOR CWA951762 ←...
  • Page 150 18.2.4 CU-S28PKV Note The above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts.
  • Page 151 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-S28PKV REMARK CHASSIS ASSY CWD52K1230 ANTI - VIBRATION BUSHING CWH50055 PACKING CWB81043 COMPRESSOR 5KD240XAF21 NUT - COMPRESSOR MOUNT CWH561049 FAN MOTOR BRACKET CWD541126 FAN MOTOR CWA951712 SCREW - FAN MOTOR BRACKET CWH551217 SCREW - FAN MOTOR MOUNT CWH551040J PROPELLER FAN ASSY...
  • Page 152 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-S28PKV REMARK SHOCK ABSORBER CWG712880 C.C.CASE CWG568834 (Note)  All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock. Printed in Malaysia YB0313-0...

This manual is also suitable for:

Cs-s12pkvCs-s18pkvCs-s24pkvCu-s9pkvCs-s28pkvCu-s12pkv ... Show all

Table of Contents