Panasonic CS-E9PD3EA Service Manual
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Panasonic CS-E9PD3EA Service Manual

Panasonic CS-E9PD3EA Service Manual

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Please file and use this manual together with the service manual for Model No. CU-2E15PBE CU-2E18PBE CU-3E18PBE
CU-4E23PBE, Order No. PAPAMY1301048CE and CU-4E27PBE CU-5E34PBE Order No. PAPAMY1303046CE
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 product or 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.
CS-E12PD3EA
WARNING
PRECAUTION OF LOW TEMPERATURE
Indoor Unit
CS-E9PD3EA
Order No: PAPAMY1305054CE
Outdoor Unit
CU-E9PD3EA
CU-E12PD3EA
Destination
Europe
© Panasonic Corporation 2013

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Summary of Contents for Panasonic CS-E9PD3EA

  • 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

    1. Safety Precautions ..........3 The Air Conditioner And Pressure And Electric Current ...........64 2. Specifications ............. 5 15.3 Breakdown Self Diagnosis Function ...65 CS-E9PD3EA CU-E9PD3EA ...... 5 15.4 Error Codes Table ........66 CS-E12PD3EA CU-E12PD3EA ....8 15.5 Self-diagnosis Method ........68 3.

  • 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 19. 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). 20.

  • Page 5: Specifications

    2. Specifications CS-E9PD3EA CU-E9PD3EA INDOOR CS-E9PD3EA MODEL OUTDOOR CU-E9PD3EA Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 2.50 3.00 0.85 2.50 3.00 Capacity BTU/h 2900 8530 10200 2900 8530 10200 Kcal/h...
  • Page 6 INDOOR CS-E9PD3EA MODEL OUTDOOR CU-E9PD3EA Type Hermetic Motor / Rotary Compressor Motor Type Brushless (4-poles) Output Power Type Sirocco Material Motor Type DC Motor (8-poles) Output Power Cool 1000 Heat 1040 Cool 1070 Heat 1100 Cool 1180 Speed Heat 1250...
  • Page 7 INDOOR CS-E9PD3EA MODEL OUTDOOR CU-E9PD3EA Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) Standard Length m (ft) 5.0 (16.4) Length Range (min - max) m (ft) 3 (9.8) ~ 20 (65.6) I/D & O/D Height Different m (ft) 15 (49.2)

  • Page 8: Cs-E12Pd3Ea Cu-E12Pd3Ea

    CS-E12PD3EA CU-E12PD3EA INDOOR CS-E12PD3EA MODEL OUTDOOR CU-E12PD3EA Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 3.40 4.00 0.85 3.40 4.00 Capacity BTU/h 2900 11600 13600 2900 11600 13600 Kcal/h 2920 3440 2920 3440 Running Current...
  • Page 9 INDOOR CS-E12PD3EA MODEL OUTDOOR CU-E12PD3EA Type Sirocco Material Motor Type DC Motor (8-poles) Output Power Cool Heat 1020 Cool 1050 Heat 1100 Cool 1170 Speed Heat 1250 Cool 1300 Heat 1400 Cool 1380 Heat 1450 Type Propeller Fan Material Motor Type DC (8-poles) Output Power Cool...
  • Page 10 INDOOR CS-E12PD3EA MODEL OUTDOOR CU-E12PD3EA Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row x Stage x FPI 3 x 12 x 18 Size (W x H x L) 620 x 252 x 38.1 Fin Material Aluminium Fin Type Corrugated Fin...
  • Page 11 ● CS-XE7PKEW CS-E9PKEW CS-XE9PKEW CS-ME9PD3EA 2.5kW CS-ME9PB4EA ● ● ● ● ● ● ● ● ● ● ● CS-E9GFEW CS-E9GFEW-2 CS-E9PD3EA CS-E12PKEW CS-XE12PKEW CS-ME12PD3EA 3.2kW CS-ME12PB4EA ● ● ● ● ● ● ● ● ● ● ● CS-E12GFEW CS-E12GFEW-2 CS-E12PD3EA CS-E15PKEW 4.0kW...
  • Page 12 ● ● ● CS-XE7PKEW CS-E9PKEW CS-XE9PKEW CS-ME9PD3EA 2.5kW CS-ME9PB4EA ● ● ● ● ● ● ● ● ● CS-E9GFEW CS-E9GFEW-2 CS-E9PD3EA CS-E12PKEW CS-XE12PKEW CS-ME12PD3EA 3.2kW CS-ME12PB4EA ● ● ● ● ● ● ● ● ● CS-E12GFEW CS-E12GFEW-2 CS-E12PD3EA CS-E15PKEW 4.0kW ●...
  • Page 13  Indoor Unit : CS-ME5PKE, CS-E7/9/12PKEW, CS-E9/12GFEW, CS-ME9/12PB4EA, CS-ME9/12PD3EA, CS-E9/12PD3EA  Outdoor Unit : CU-2E15PBE 2 Room 1 Room Indoor Unit Capacity (kW) Total Indoor Capacity (kW) Indoor Unit Capacity (kW) Total Indoor Capacity (kW) 1.6 + 1.6 1.6 + 2.0 1.6 + 2.5 1.6 + 2.8 1.6 + 3.2...
  • Page 14  Indoor Unit : CS-ME5PKE, CS-E7/9/12/15/18PKEW, CS-E9/12/18GFEW, CS-ME9/12/18PB4EA, CS-ME9/12/18PD3EA, CS-E9/12PD3EA  Outdoor Unit : CU-3E18PBE 3 Room 2 Room 1 Room Indoor Unit Capacity Total Indoor Capacity Indoor Unit Capacity Total Indoor Capacity Indoor Unit Capacity Total Indoor Capacity (kW) (kW) (kW) (kW)
  • Page 15  Indoor Unit : CS-ME5PKE, CS-E7/9/12/15/18/21PKEW, CS-E9/12/18GFEW, CS-ME9/12/18/21PB4EA, CS-ME9/12/18PD3EA, CS-E9/12PD3EA  Outdoor Unit : CU-4E23PBE 4 Room 3 Room 2 Room 1 Room Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW)
  • Page 16 4 Room 3 Room 2 Room 1 Room Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) 2.0 + 2.0 + 2.5 + 2.8 2.5 + 2.5 + 4.0 2.0 + 2.0 + 2.5 + 3.2...
  • Page 17  Indoor Unit : CS-E7/9/12/15/18/21/24PKEW, CS-E9/12/18GFEW, CS-ME9/12/18/21PB4EA, CS-ME9/12/18PD3EA, CS-E9/12PD3EA  Outdoor Unit : CU-4E27PBE 4 Room 3 Room 2 Room 1 Room Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW)
  • Page 18 4 Room 3 Room 2 Room 1 Room Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) Capacity (kW) 2.5+2.5+2.5+4.0 11.5 2.8+2.8+4.0...
  • Page 19  Indoor Unit : CS-E7/9/12/15/18/21/24PKEW, CS-E9/12/18GFEW, CS-ME9/12/18/21PB4EA, CS-ME9/12/18PD3EA, CS-E9/12PD3EA  Outdoor Unit : CU-5E34PBE 5 Room 4 Room 3 Room 2 Room 1 Room Total Indoor Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Capacity Indoor Unit Capacity...
  • Page 20 5 Room 4 Room 3 Room 2 Room 1 Room Total Indoor Total Indoor Indoor Unit Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Indoor Unit Capacity Indoor Unit Capacity Capacity Capacity Capacity Capacity Capacity Capacity Capacity (kW) Capacity (kW) (kW) (kW)
  • Page 21 5 Room 4 Room 3 Room 2 Room 1 Room Total Indoor Total Indoor Indoor Unit Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Indoor Unit Capacity Indoor Unit Capacity Capacity Capacity Capacity Capacity Capacity Capacity Capacity (kW) Capacity (kW) (kW) (kW)
  • Page 22 5 Room 4 Room 3 Room 2 Room 1 Room Total Indoor Total Indoor Indoor Unit Indoor Unit Total Indoor Indoor Unit Total Indoor Indoor Unit Indoor Unit Capacity Indoor Unit Capacity Capacity Capacity Capacity Capacity Capacity Capacity Capacity (kW) Capacity (kW) (kW) (kW)

  • Page 23: Features

    Features  Inverter Technology Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control  Environment Protection Non-ozone depletion substances refrigerant (R410A)  Long Installation Piping Long piping up to 20 meter  Easy to use remote control ...

  • Page 24: Location Of Controls And Components

    4. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control...

  • Page 25: Dimensions

    5. Dimensions Indoor Unit 5.1.1 CS-E9PD3EA...
  • Page 26 5.1.2 CS-E12PD3EA...

  • Page 27: Outdoor Unit

    Outdoor Unit 5.2.1 CU-E9PD3EA 5.2.2 CU-E12PD3EA...

  • Page 28: Refrigeration Cycle Diagram

    6. Refrigeration Cycle Diagram...

  • Page 29: Block Diagram

    7. Block Diagram CS-E9PD3EA CU-E9PD3EA...

  • Page 30: Cs-E12Pd3Ea Cu-E12Pd3Ea

    CS-E12PD3EA CU-E12PD3EA...

  • Page 31: Wiring Connection Diagram

    8. Wiring Connection Diagram Indoor Unit...

  • Page 32: Outdoor Unit

    Outdoor Unit 8.2.1 CU-E9PD3EA Resistance of Compressor Windings MODEL CU-E9PD3EA CONNECTION 5RD132XBE21 1.897Ω 1.907Ω 1.882Ω Note: Resistance at 20°C of ambient temperature.
  • Page 33 8.2.2 CU-E12PD3EA Resistance of Compressor Windings MODEL CU-E12PD3EA CONNECTION 5RD132XBA21 1.897Ω 1.907Ω 1.882Ω Note: Resistance at 20°C of ambient temperature.

  • Page 34: Electronic Circuit Diagram

    9. Electronic Circuit Diagram Indoor Unit...

  • Page 35: Outdoor Unit

    Outdoor Unit 9.2.1 CU-E9PD3EA...
  • Page 36 9.2.2 CU-E12PD3EA...

  • Page 37: Printed Circuit Board

    10. Printed Circuit Board 10.1 Indoor Unit 10.1.1 Main Printed Circuit Board...

  • Page 38: Outdoor Unit

    10.2 Outdoor Unit 10.2.1 Main Printed Circuit Board 10.2.1.1 CU-E9PD3EA...
  • Page 39 10.2.1.2 CU-E12PD3EA...

  • Page 40: Installation Instruction

    11. Installation Instruction Attached accessories ■ Required Materials  Read the catalog and other technical materials and prepare the required materials.  Applicable piping kit CZ-3F5, 7BP ■ Other Items to be Prepared (Locally Purchased) Product name Remarks VP20 (outer diameter ø26); also sockets, Rigid PVC pipe elbows and other parts as necessary Adhesive...

  • Page 41: Indoor Unit

    11.1 Indoor Unit 11.1.1 SELECTING THE INSTALLATION LOCATION Take into consideration the following contents when creating the blueprint. ■ Indoor unit installation location  Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. ...
  • Page 42 11.1.3 INSTALLING THE INDOOR UNIT (INSTALLATION EMBEDDED IN THE CEILING)  Always provide sufficient entry and exit space to allow installation work, inspection and unit replacement.  Waterproof the rear surface of the ceiling below the unit in consideration of water droplets forming and dropping. When cooling operation is performed for an extended period under the following conditions, water droplets may form and drop.
  • Page 43 PREPARING TO INSTALL THE INDDOR UNIT  Fit the drain hose insulation around the drain hose as shown in the diagram beside.  Attach the discharge chamber. () (10 screws)  Cut out the intake cut-out portions at the unit rear panel using a cutter or other tools to make openings. ...
  • Page 44 Embed an outlet box (JIS C 8336) into the wall. Outlet box maybe purchased separately. Medium size square outlet box (obtain locally) Part No. DS3744 (Panasonic Co., Ltd.) or equivalent. Secure the remote controller lower case to the outlet box with the two accessory screws .
  • Page 45 B. IF REMOTE CONTROLLER CABLE IS EXPOSED Install the remote controller lower case to the wall with the two accessory screws Fasten the screws properly until screw head is lower than the rib and reach the base of remote controller lower case to ensure they do not damage the PCB inside the remote controller The feeding-out direction for the remote controller cable can be either via top, left or right side.
  • Page 46 CHECK THE DRAINAGE Check after connecting the power supply.  Pour approximately 600 cc of water into the drain pan of the main unit using a squeeze bottle, etc.  Press the drain test run switch on the control board in the control box to start the drain motor and check whether the water drains normally.
  • Page 47 11.1.6.1 WIRE STRIPPING AND CONNECTING REQUIREMENT...

  • Page 48: Outdoor Unit

    11.2 Outdoor Unit 11.2.1 SELECTING THE INSTALLATION LOCATION  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.  There should not be any animal or plant which could be affected by hot air discharged. ...

  • Page 49: Evacuation Of The Equipment

    Connecting The Piping to Outdoor Multi 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) onto the copper pipe. Align center of piping to valve and then tighten with torque wrench to the specified torque as stated in the table.

  • Page 50: Connect The Cable To The Outdoor Unit

    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). Mount valve caps onto the 2-way valve and the 3-way valve. Be sure to check for gas leakage. ...
  • Page 51 DISPOSAL OF OUTDOOR UNIT DRAIN WATER  If a drain elbow is used, the unit should be placed on a stand which is taller than 30 mm.  If the unit is used in an area where temperature falls below 0°C for 2 or 3 days in succession, it is recommended not to use a drain elbow, for the drain water freezes and the fan will not rotate.

  • Page 52: Operation And Control

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

  • Page 53: Heating Operation

    12.1.4 Heating Operation 12.1.4.1 Thermostat control  Compressor is OFF when Intake Air Temperature - Internal Setting Temperate > +2.0°C.  Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature < Compressor OFF point. 12.1.5 Automatic Operation ...

  • Page 54: Outdoor Fan Motor Operation

     The indoor fan will operate according to pattern below. [Heating]  According to indoor pipe temperature, automatic heating fan speed is determined as follows. B. Feedback control  Immediately after the fan motor started, feedback control is performed once every second. ...

  • Page 55: Quiet Operation (Cooling Mode/Cooling Area Of Soft Dry Mode)

    12.2 Quiet Operation (Cooling Mode/Cooling area of Soft Dry Mode) A. Purpose To provide quiet cooling operation compare to normal operation. B. Control condition a. Quiet operation start condition  When “quiet” button at remote control is pressed. Quiet LED illuminates. b.

  • Page 56: Powerful Mode Operation

    12.3 Powerful Mode Operation When the powerful mode is selected, the internal setting temperature will shift higher up to +6.0°C (for Heating) or lower up to 4°C (for Cooling/Soft Dry) than remote control setting temperature for 20 minutes to achieve the setting temperature quickly.

  • Page 57: Protection Control

    13. Protection Control 13.1 Protection Control For All Operations 13.1.1 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 58: Protection Control For Cooling & Soft Dry Operation

    13.1.4 IPM (Power transistor) Prevention Control  Overheating Prevention Control When the IPM temperature rises to 120°C, compressor operation will stop immediately. Compressor operation restarts after three minutes the temperature decreases to 110°C.  DC Peak Current Control When electric current to IPM exceeds set value of 20.23 ± 5.0 A (for E9PD3EA), 30.0 ± 5.0 A (for E12PD3EA), the compressor will stop operate.

  • Page 59: Cooling Overload Control

    13.2.2 Cooling Overload Control i. Pipe temperature limitation/restriction  Detects the Outdoor pipe temperature and carry out below restriction/limitation (Limit the compressor Operation frequency)  The compressor stop if outdoor pipe temperature exceeds 63°C.  If the compressor stops 4 times in 20 minutes, Timer LED blinking (F95: outdoor high pressure rise protection) 13.2.3 Dew Prevention Control 1 To prevent dew formation at indoor unit discharge area.

  • Page 60: Protection Control For Heating Operation

    13.3 Protection Control For Heating Operation 13.3.1 Intake Air Temperature Control Compressor will operate at maximum frequency if below conditions occur: When the indoor intake air temperature is 30°C or above. 13.3.2 Outdoor Air Temperature Control The maximum current value is regulated when the outdoor air temperature rises above 14°C in order to avoid compressor overloading.

  • Page 61: Servicing Mode

    14. Servicing Mode 14.1 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)  The Test Run operation will be activated by short-circuiting CN-S (Pin 1 & 2) at outdoor unit PCB after power supplied to outdoor unit terminal 1 and 2. The unit forced to run rated frequency cooling operation mode. 14.1.1 CU-E9PD3EA...
  • Page 62 14.1.2 CU-E12PD3EA...

  • Page 63: Troubleshooting Guide

    15. Troubleshooting Guide 15.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no Normal Pressure and Outlet Air Temperature (Standard) electrical problems before inspecting the refrigeration cycle. Gas pressure Outlet air Such problems include insufficient insulation, problem with the MPa (kg/cm temperature (°C) power source, malfunction of a compressor and a fan.

  • Page 64: Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current

    15.2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current Cooling Mode Heating Mode Condition of the Electric current Electric current air conditioner Low Pressure High Pressure Low Pressure High Pressure during operation during operation Insufficient refrigerant ...

  • Page 65: Breakdown Self Diagnosis Function

    15.3 Breakdown Self Diagnosis Function 15.3.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once abnormality has occurred during operation, the unit will stop its operation, and OFF/ON operation LED OFF.  OFF indicator does not shown on remote control display. ...

  • Page 66: Error Codes Table

    15.4 Error Codes Table...
  • Page 67 Note: “O” - Frequency measured and fan speed fixed. The memory data of error code is erased when the power supply is cut off, or press the Auto Switch until “beep” sound heard following by pressing the “CHECK” button at Remote Control. Although operation forced to stop when abnormality detected, emergency operation is possible for certain errors (refer to Error Codes Table) by using Remote Control or Auto Switch at indoor unit.

  • Page 68: Self-Diagnosis Method

    15.5 Self-diagnosis Method 15.5.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused  Faulty indoor unit PCB.
  • Page 69 15.5.2 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 70 15.5.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 71 15.5.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor.
  • Page 72 15.5.5 H16 (Outdoor Current Transformer) Malfunction Decision Conditions  An input current, detected by Current Transformer CT, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction Caused  Lack of gas  Broken CT (current transformer) ...
  • Page 73 15.5.6 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 > 2550rpm or < 50rpm) Malfunction Caused ...
  • Page 74 15.5.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 75 15.5.8 H24 (Indoor Pipe Temperature Sensor 2 Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors. Malfunction Caused  Faulty connector connection.
  • Page 76 15.5.9 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 77 15.5.10 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 78 15.5.11 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
  • Page 79 15.5.12 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 80 15.5.13 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 81 15.5.14 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED flashing) Malfunction Decision Conditions  Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation. ...
  • Page 82 15.5.15 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions  Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C) Malfunction Caused ...
  • Page 83 15.5.16 F11 (4-way Valve Switching Failure) Malfunction Decision Conditions  When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction Caused ...
  • Page 84 15.5.17 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  To maintain DC voltage level supply to power transistor.  To detect high DC voltage level after rectification. Malfunction Caused  During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors.
  • Page 85 15.5.18 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  The input current is low while the compressor is running at higher than the setting frequency. Malfunction Caused  Lack of gas.  3-way valve close. Troubleshooting...
  • Page 86 15.5.19 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  Faulty Outdoor PCB  Faulty compressor Troubleshooting...
  • Page 87 15.5.20 F95 (Outdoor High Pressure Protection: Cooling or Soft Dry) Malfunction Decision Conditions  During operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction Caused ...
  • Page 88 15.5.21 F96 (IPM Overheating) Malfunction Decision Conditions  During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM temperature sensor. Multi Models only Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is detected by the heat sink temperature sensor.
  • Page 89 15.5.22 F97 (Compressor Overheating) Malfunction Decision Conditions  During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused  Faulty compressor tank temperature sensor  2/3 way valve closed ...
  • Page 90 15.5.23 F98 (Input Over Current Detection) Malfunction Decision Conditions  During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is detected by checking the input current value being detected by current transformer (CT) with the compressor running.
  • Page 91 15.5.24 F99 (DC Peak Detection) Malfunction Decision Conditions During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry. Malfunction Caused  DC current peak due to compressor failure. ...

  • Page 92: Disassembly And Assembly Instructions

    16. Disassembly and Assembly Instructions WARNING High Voltage are 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 Disassembly of Parts 16.1.1 Detaching the Upper and Inner Casing...
  • Page 93 16.1.3 Detaching the Fan First detach the Upper and Inner Casing (16.1.1) Disengage the 4 catches (2 each on the left and right) on the Air Guide. Use a 2.5 mm hexagonal wrench to loosen the 2 bolts connecting the Fan Motor and Fan, detach the shaft connecting the Fan Motor and Fan, loosen the screw holding the Fan and detach the Fan.

  • Page 94: Outdoor Electronic Controller Removal Procedure

    16.1.5 Outdoor Electronic Controller Removal Procedure 16.1.5.1 CU-E9PD3EA Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove the Control Board as follows: Fig. 1 Fig. 4 Remove the 8 screws of the Front Panel. Fig.
  • Page 95 16.1.5.2 CU-E12PD3EA Remove the top panel and front panel  Be save to return the wiring to its original position  There are many high voltage components within the heat sink cover so never touch the interior during operation. Wait at least two minutes after power has been turned off. Fig.

  • Page 96: Technical Data

    Technical data provided are based on the air conditioner running under free frequency. 17.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 16°C Voltage: 220V/230V 17.1.1 CS-E9PD3EA CU-E9PD3EA Indoor (°C) Outdoor DB (°C) 19.0 2349...

  • Page 97: Heat Mode Performance Data

    17.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 30°C Voltage: 220V/230V 17.2.1 CS-E9PD3EA CU-E9PD3EA Indoor (°C) Outdoor WB (°C) 2170 1158 2155 1185 2835 1152 3024 3709 1145 2171 1020 2600 1250 3330...

  • Page 98: Fan Performance

    17.3 Fan Performance 17.3.1 CS-E9PD3EA CU-E9PD3EA Test Report Static Pressure Airflow (mmAq) /min) 0.00 1.80 3.40 6.40 0.00 3.48 6.16 9.50 0.00 5.22 8.10 11.02 15.5 0.00 11.0 5.90 Switch Hi 10.40 13.70 Fan Performance Curve Static Pressure VS Airflow 19.0...
  • Page 99 17.3.2 CS-E12PD3EA CU-E12PD3EA Test Report Static Pressure Airflow (mmAq) /min) 2.23 5.52 7.64 9.02 2.05 6.80 8.81 11.70 2.35 6.75 9.42 12.42 10.0 7.91 9.64 Switch Hi 11.44 12.53 16.20 Fan Performance Curve Static Pressure VS Airflow 19.0 18.0 17.0 16.0 Switch Hi 15.0...

  • Page 100: Service Data

    Indoor room temperature: 27°C DryBulb/19°C Wet Bulb  Unit setting: Standard piping length, forced cooling at 16°C, Hi fan  Compressor frequency: Rated for cooling operation  Voltage: 220V/230V 18.1.1 CS-E9PD3EA CU-E9PD3EA 230V 220V 16.00 15.50 15.00 14.50 14.00 13.50 13.00...
  • Page 101 18.1.2 CS-E12PD3EA CU-E12PD3EA 220V 230V 14.00 13.00 12.00 11.00 10.00 9.00 8.00 Outdoor Air Temperature (°C) 5.00 4.50 4.00 3.50 3.00 2.50 2.00 Outdoor Air Temperature (°C) 1.20 1.00 0.80 0.60 Outdoor Air Temperature (°C)

  • Page 102: Heat Mode Outdoor Air Temperature Characteristic

    Indoor room temperature: 20°C DryBulb/ -°C Wet Bulb  Unit setting: Standard piping length, forced heating at 30°C, Hi fan  Compressor frequency: Rated for Heating operation  Voltage: 220V/230V 18.2.1 CS-E9PD3EA CU-E9PD3EA 220V 230V Outdoor Air Temperature (°C) 5.00 4.50 4.00 3.50 3.00...
  • Page 103 18.2.2 CS-E12PD3EA CU-E12PD3EA 220V 230V Outdoor Air Temperature (°C) 6.00 5.50 5.00 4.50 4.00 3.50 3.00 2.50 2.00 Outdoor Air Temperature (°C) Outdoor Air Temperature (°C)

  • Page 104: Piping Length Correction Factor

    18.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 18.3.1 CS-E9PD3EA CU-E9PD3EA 18.3.1.1 Cooling Capacity 1.10 1.00 Range of additional refrigerant charge 0.90 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Piping length (m) 18.3.1.2...
  • Page 105 18.3.2 CS-E12PD3EA CU-E12PD3EA 18.3.2.1 Cooling Capacity 1.10 1.00 Range of additional refrigerant charge 0.90 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Piping length (m) 18.3.2.2 Heating Capacity 1.10 1.00 Range of additional refrigerant charge...

  • Page 106: Exploded View And Replacement Parts List

    19. Exploded View and Replacement Parts List 19.1 Indoor Unit 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 107 SAFETY REF NO. PART NAME & DESCRIPTION QTY. CS-E9PD3EA CS-E12PD3EA REMARK OVER LOAD PROTECTOR CWA12161 ← FUSE-COMPLETE CWA16C1038 ← TERMINAL BOARD ASS'Y CWA28K1045J ← SENSOR-COMPLETE CWA50C2556 ← WIRED REMOTE CONTROL COMPLETE (WITH CABLE) CWA75C4398 ← WIRED REMOTE CONTROL CWA75C4264 ←...
  • Page 108 SAFETY REF NO. PART NAME & DESCRIPTION QTY. CS-E9PD3EA CS-E12PD3EA REMARK INSTALLATION INSTRUCTION CWF615964 ← INSTALLATION INSTRUCTION CWF615965 ← INSTALLATION INSTRUCTION CWF615966 ← INSTALLATION INSTRUCTION CWF615967 ← BASE BOARD CWG62099 ← SHOCK ABSORBER (RIGHT) CWG712936 ← SHOCK ABSORBER (LEFT) CWG712946 ←...

  • Page 109: Outdoor Unit

    19.2 Outdoor Unit 19.2.1 CU-E9PD3EA 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 110 SAFETY REF NO. DESCRIPTION & NAME QTY. CU-E9PD3EA REMARK CHASSIS ASSY CWD52K1277 SOUND PROOF MATERIAL CWG302742 FAN MOTOR BRACKET CWD541167 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR ARS6411AC SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASSY CWH03K1066 NUT - PROPELLER FAN CWH56053J COMPRESSOR 5RD132XBE21...
  • Page 111 19.2.2 CU-E12PD3EA 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 112 SAFETY REF NO. DESCRIPTION & NAME QTY. CU-E12PD3EA REMARK CHASSIS ASSY CWD52K1261 ANTI-VIBRATION BUSHING CWH50077 COMPRESSOR 5RD132XBA21 NUT-COMPRESSOR MOUNT CWH56000J SOUND PROOF MATERIAL CWG302630 FAN MOTOR BRACKET CWD541153 FAN MOTOR ARW8401AC SCREW - FAN MOTOR BRACKET CWH551217 SCREW - FAN MOTOR MOUNT CWH551106J PROPELLER FAN ASSY CWH03K1065...

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