Panasonic CS-E7JKEW Service Manual
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Panasonic CS-E7JKEW Service Manual

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Please file and use this manual together with the service manual for Model No. CU-2E18CBPG, CU-3E23CBPG, CU-
4E27CBPG, Order No. RAC0209005C2, Model No. CU-3E18EBE, Order No. RAC0602011C2 and Model No. CU-2E15GBE,
Order No. MAC0704001A2.
TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 3
Indoor Unit Outdoor Unit
CS-E7JKEW CU-E7JKE
CS-E9JKEW CU-E9JKE
CS-E12JKEW CU-E12JKE
CS-E15JKEW CU-E15JKE
CS-E15JKEW CU-E15JKE-1
CS-E7JKEW-3 CU-E7JKE-3
CS-E9JKEW-3 CU-E9JKE-3
CS-E12JKEW-3 CU-E12JKE-3
CS-XE7JKEW CU-E7JKE
CS-XE9JKEW CU-E9JKE
CS-XE12JKEW CU-E12JKE
CS-XE15JKEW CU-E15JKE
CS-XE7JKEW CU-E7JKE-3
CS-XE9JKEW CU-E9JKE-3
CS-XE12JKEW CU-E12JKE-3
CS-XE15JKEW CU-E15JKE-1
PAGE
2 Specifications ------------------------------------------------------5
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2008.
Unauthorized copying and distribution is a violation of law.
Order No. PHAAM0810051C2
Air Conditioner
PAGE

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Summary of Contents for Panasonic CS-E7JKEW

  • Page 1 4E27CBPG, Order No. RAC0209005C2, Model No. CU-3E18EBE, Order No. RAC0602011C2 and Model No. CU-2E15GBE, Order No. MAC0704001A2. TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions----------------------------------------------- 3 2 Specifications ------------------------------------------------------5 © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2008. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    3 Features ------------------------------------------------------------ 26 15 Servicing Mode-------------------------------------------------- 75 15.1. Auto OFF/ON Button ----------------------------------- 75 4 Location of Controls and Components------------------ 27 4.1. Indoor Unit ------------------------------------------------- 27 15.2. Remote Control Button --------------------------------- 76 4.2. Outdoor Unit ----------------------------------------------- 27 16 Troubleshooting Guide --------------------------------------- 77 4.3.
  • Page 3 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 20. During pump down operation, stop the compressor before remove the refrigerant piping. (Removal of refrigeration piping while compressor is operating and valves are opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.). 21.
  • Page 5 2 Specifications MODEL INDOOR CS-E7JKEW, CS-XE7JKEW CS-E9JKEW, CS-XE9JKEW OUTDOOR CU-E7JKE CU-E9JKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.70 2.05 2.40 0.80 2.50 3.00 Capacity BTU/h 2390 6990...
  • Page 6 MODEL INDOOR CS-E7JKEW, CS-XE7JKEW CS-E9JKEW, CS-XE9JKEW OUTDOOR CU-E7JKE CU-E9JKE Type Propeller Fan Propeller Fan Material Motor Type Induction (6-poles) Induction (6-poles) Input Power Output Power Speed Moisture Removal L/h (Pt/h) 1.3 (2.7) 1.5 (3.2) Cool 5.6 (198) 4.9 (173) /min (ft...
  • Page 7 MODEL INDOOR CS-E7JKEW, CS-XE7JKEW CS-E9JKEW, CS-XE9JKEW OUTDOOR CU-E7JKE CU-E9JKE Dry Bulb Wet Bulb Dry Bulb Wet Bulb Cooling Maximum Minimum Indoor Operation Range Heating Maximum — — Minimum — — Cooling Maximum Minimum Outdoor Operation Range Heating Maximum Minimum 1. Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb)
  • Page 8 MODEL INDOOR CS-E12JKEW, CS-XE12JKEW CS-E15JKEW, CS-XE15JKEW OUTDOOR CU-E12JKE CU-E15JKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.80 3.50 4.00 0.90 4.20 5.00 Capacity BTU/h 2730 11900 13600 3070 14300 17100 Kcal/h...
  • Page 9 MODEL INDOOR CS-E12JKEW, CS-XE12JKEW CS-E15JKEW, CS-XE15JKEW OUTDOOR CU-E12JKE CU-E15JKE Type Propeller Fan Propeller Fan Material Motor Type Induction (6-poles) Transistor (8-poles) Input Power — Output Power Cool : 660 Speed Heat : 640 Moisture Removal L/h (Pt/h) 2.0 (4.2) 2.4 (5.1) Cool 4.9 (173) 6.0 (212)
  • Page 10 MODEL INDOOR CS-E12JKEW, CS-XE12JKEW CS-E15JKEW, CS-XE15JKEW OUTDOOR CU-E12JKE CU-E15JKE Dry Bulb Wet Bulb Dry Bulb Wet Bulb Cooling Maximum Minimum Indoor Operation Range Heating Maximum — — Minimum — — Cooling Maximum Minimum Outdoor Operation Range Heating Maximum Minimum 1. Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb) 2.
  • Page 11 MODEL INDOOR CS-E7JKEW-3, CS-XE7JKEW CS-E9JKEW-3, CS-XE9JKEW OUTDOOR CU-E7JKE-3 CU-E9JKE-3 Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.70 2.05 2.40 0.80 2.50 3.00 Capacity BTU/h 2390 6990 8180 2730...
  • Page 12 MODEL INDOOR CS-E7JKEW-3, CS-XE7JKEW CS-E9JKEW-3, CS-XE9JKEW OUTDOOR CU-E7JKE-3 CU-E9JKE-3 Type Propeller Fan Propeller Fan Material Motor Type Induction (6-poles) Induction (6-poles) Input Power Output Power Speed Moisture Removal L/h (Pt/h) 1.3 (2.7) 1.5 (3.2) Cool 5.6 (198) 4.9 (173) /min (ft...
  • Page 13 MODEL INDOOR CS-E7JKEW-3, CS-XE7JKEW CS-E9JKEW-3, CS-XE9JKEW OUTDOOR CU-E7JKE-3 CU-E9JKE-3 Dry Bulb Wet Bulb Dry Bulb Wet Bulb Cooling Maximum Minimum Indoor Operation Range Heating Maximum — — Minimum — — Cooling Maximum Minimum Outdoor Operation Range Heating Maximum Minimum 1. Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb)
  • Page 14 MODEL INDOOR CS-E12JKEW-3, CS-XE12JKEW OUTDOOR CU-E12JKE-3 Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. 0.80 3.50 4.00 Capacity BTU/h 2730 11900 13600 Kcal/h 3010 3440 Running Current — — Input Power 1.18k Annual Consumption — —...
  • Page 15 MODEL INDOOR CS-E12JKEW-3, CS-XE12JKEW OUTDOOR CU-E12JKE-3 Type Propeller Fan Material Motor Type Induction (6-poles) Input Power Output Power Speed Moisture Removal L/h (Pt/h) 2.0 (4.2) Cool 4.9 (173) /min (ft /min) Heat 8.7 (307) /min (ft /min) Cool 7.2 (254) /min (ft /min) Heat...
  • Page 16 MODEL INDOOR CS-E12JKEW-3, CS-XE12JKEW OUTDOOR CU-E12JKE-3 Dry Bulb Wet Bulb Cooling Maximum Minimum Indoor Operation Range Heating Maximum — Minimum — Cooling Maximum Minimum Outdoor Operation Range Heating Maximum Minimum 1. Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb) 2.
  • Page 17 MODEL INDOOR CS-E15JKEW, CS-XE15JKEW OUTDOOR CU-E15JKE-1 Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. 0.80 4.20 5.00 Capacity BTU/h 2730 14300 17100 Kcal/h 3610 4300 Running Current — — Input Power 1.26k 1.57k Annual Consumption —...
  • Page 18 MODEL INDOOR CS-E15JKEW, CS-XE15JKEW OUTDOOR CU-E15JKE-1 Type Propeller Fan Material Motor Type Induction (6-poles) Input Power Output Power Speed Moisture Removal L/h (Pt/h) 2.4 (5.1) Cool 6.0 (212) /min (ft /min) Heat 9.2 (325) /min (ft /min) Cool 7.7 (272) /min (ft /min) Heat...
  • Page 19 MODEL INDOOR CS-E15JKEW, CS-XE15JKEW OUTDOOR CU-E15JKE-1 Dry Bulb Wet Bulb Cooling Maximum Minimum Indoor Operation Range Heating Maximum — Minimum — Cooling Maximum Minimum Outdoor Operation Range Heating Maximum Minimum 1. Cooling capacities are based on indoor temperature of 27°C Dry Bulb (80.6°F Dry Bulb), 19.0°C Wet Bulb (66.2°F Wet Bulb) and outdoor air temperature of 35°C Dry Bulb (95°F Dry Bulb), 24°C Wet Bulb (75.2°F Wet Bulb) 2.
  • Page 20 • Multi Split Combination Possibility: - A single outdoor unit enables air conditioning of up to two separate rooms for CU-2E15GBE, CU-2E18CBPG. - A single outdoor unit enables air conditioning of up to three separate rooms for CU-3E18EBE, CU-3E23CBPG. - A single outdoor unit enables air conditioning of up to four separate rooms for CU-4E27CBPG.

  • Page 26: Features

    3 Features • Inverter Technology - Wider output power range - Energy saving - Quick Cooling - Quick Heating - More precise temperature control • E-ion Air Purifying System with Patrol Sensor - Active e-ions are released to catch dust particles and bring them back the large positively charged filter •...

  • Page 27: Location Of Controls And Components

    4 Location of Controls and Components 4.1. Indoor Unit 4.2. Outdoor Unit 4.3. Remote Control...

  • Page 28: Dimensions

    5 Dimensions 5.1. Indoor Unit...

  • Page 29: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1 CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3 5.2.2. CU-E15JKE...

  • Page 30: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram 6.1. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1...

  • Page 31: Cu-E7Jke-3 Cu-E9Jke-3 Cu-E12Jke-3

    6.2. CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3...

  • Page 32: Cu-E15Jke

    6.3. CU-E15JKE...

  • Page 33: Block Diagram

    7 Block Diagram 7.1. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1...

  • Page 34: Cu-E7Jke-3 Cu-E9Jke-3 Cu-E12Jke-3

    7.2. CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3...

  • Page 35: Cu-E15Jke

    7.3. CU-E15JKE...

  • Page 36: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit...

  • Page 37: Outdoor Unit

    8.2. Outdoor Unit 8.2.1. CU-E7JKE CU-E9JKE CU-E12JKE...
  • Page 38 8.2.2. CU-E15JKE...
  • Page 39 8.2.3. CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3...
  • Page 40 8.2.4. CU-E15JKE-1...

  • Page 41: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. Indoor Unit...

  • Page 42: Outdoor Unit

    9.2. Outdoor Unit 9.2.1. CU-E7JKE CU-E9JKE CU-E12JKE...
  • Page 43 9.2.2. CU-E15JKE...
  • Page 44 9.2.3. CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3...
  • Page 45 9.2.4. CU-E15JKE-1...

  • Page 46: Printed Circuit Board

    10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board...
  • Page 47 10.1.2. Power Printed Circuit Board 10.1.3. Indicator Printed Circuit Board...
  • Page 48 10.1.4. Receiver Printed Circuit Board 10.1.5. High Voltage Power Supply Printed Circuit Board...

  • Page 49: Outdoor Unit

    10.2. Outdoor Unit 10.2.1. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1...
  • Page 50 10.2.2. CU-E15JKE...
  • Page 51 10.2.3. CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3...

  • Page 52: Installation Instruction

    11 Installation Instruction 11.1. Select the Best Location 11.1.3. Indoor/Outdoor Unit Installation Diagram 11.1.1. Indoor Unit • 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 53: Indoor Unit

    11.2. Indoor Unit 11.2.1. How to Fix Installation Plate 11.2.2. To Drill a Hole in the Wall and Install a Sleeve of Piping The mounting wall is strong and solid enough to prevent it from the vibration. 1. Insert the piping sleeve to the hole. 2.
  • Page 54 1. For the right rear piping 2. For the right and right bottom piping 3. For the embedded piping (This can be used for left rear piping and bottom piping also.)
  • Page 55 11.2.4. Connect the Cable to the Indoor Unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.

  • Page 56: Outdoor Unit

    11.3. Outdoor Unit 11.3.1. Install the Outdoor Unit • After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails.
  • Page 57 11.3.3. 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. 1. 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 58 5. Secure the power supply cord and connecting cable onto the control board with the holder. 6. Attach the control board cover back to the original position with screw. 7. For wire stripping and connection requirement, refer to instruction of indoor unit. This equipment must be properly earthed.

  • Page 59: 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 60: Indoor Fan Motor Operation

    12.1.5. Automatic Operation • This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature. • During operation mode judgment, indoor fan motor (with speed of Lo-) and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature.

  • Page 61: Outdoor Fan Motor Operation

    [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. • During fan motor on, if fan motor feedback 2550 rpm or <...

  • Page 62: Quiet Operation (Cooling Mode/Cooling Area Of Dry Mode)

    2. Manual vertical airflow direction can be set using remote control; the angles of the vane are as stated above and the positions of the vane are as Figure 2 below. When the air conditioner is stopped using remote control, the vane will shift to close position.

  • Page 63: Powerful Mode Operation

    2. When quiet operation is stopped, operation is shifted to normal operation with previous setting. 3. When fan speed is changed, quiet operation is shifted to quiet operation of the new fan speed. 4. When operation mode is changed, quiet operation is shifted to quiet operation of the new mode, expect fan only mode. 5.

  • Page 64: Indication Panel

    12.10. Indication Panel POWER TIMER QUIET POWERFUL e-ion Mild Dry Cooling PATROL SENSOR Color Green Orange Orange Orange Blue Blue Blue Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON e-ion ON Mild Dry Cooling ON PATROL ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF e-ion OFF Mild Dry Cooling OFF...
  • Page 65 c. Patrol operation disable • To disable the Patrol Operation during unit start (default) with “OFF/ON” button, press “Patrol” button and hold for 5 seconds, then release. • To disable the Patrol Operation, press “Patrol” button and hold for 15 seconds, then release. C.

  • Page 66: E-Ion Operation

    e. Indicator • When Patrol operation starts, Patrol Sensor indicator ON. • When e-ion operation starts based on dirtiness level, e-ion indicator ON. f. Remote Control Receiving Sound → • Normal Operation Patrol Mode Beep → • Patrol Mode Stop Long Beep →...
  • Page 67 B. Control Condition a. e-ion operation start condition • During unit running at any operation mode, if “e-ion” button is pressed, combination operation (operation mode + e-ion operation) starts. • During unit is OFF, if “e-ion” button is pressed, e-ion individual operation starts. b.

  • Page 68: Mild Dry Cooling Operation

    Troubleshooting Methods • Connect the connector or stop operation (include during Patrol operation) to cancel the blinking. ii. Abnormal Discharge Judgement Method • During e-ion operation, when feedback voltage is -Lo (at microcontroller) is detected, it is judged abnormal discharge and stops power supplies to the e-ion Air Purifying system.

  • Page 69: Operation Control (For Multi Split Connection)

    13 Operation Control (For Multi Split Connection) During multi split connection, indoor unit’s operation controls are same with single split connection unless specified in this chapter. 13.1. Cooling operation 13.1.1. Thermostat control • Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting temperature <...

  • Page 70: Indoor Fan Motor Operation

    13.5. Indoor Fan Motor Operation 13.5.1. Residual Heat Removal Control • To prevent high pressure at indoor unit, when heating mode thermostat-off condition or power supply OFF, indoor fan continue to operate at controlled fan speed for maximum 30 seconds then stop. 13.6.

  • Page 71: Protection Control

    14 Protection Control 14.1. Protection Control For All Operations 14.1.1. 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 72 14.1.5. Compressor Overheating Prevention Control • Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below. • If compressor discharge temperature exceeds 110°C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.

  • Page 73: Protection Control For Cooling & Soft Dry Operation

    14.2. Protection Control For Cooling & Soft Dry Operation 14.2.1. 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. •...

  • Page 74: Protection Control For Heating Operation

    14.2.6. Dew Prevention Control 2 • To prevent dew formation at indoor unit discharge area. • This control starts if all conditions continue for 20 minutes: - Operated with Cooling or Soft Dry Mode. - Indoor intake temperature is between 25°C and 29°C. - Outdoor air temperature is less than 30°C.

  • Page 75: Servicing Mode

    15 Servicing Mode 15.1. Auto OFF/ON Button 1. 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. 2.

  • Page 76: Remote Control Button

    4. REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off/On Mode is in standby condition) and press “AC Reset”...

  • Page 77: Troubleshooting Guide

    16 Troubleshooting Guide 16.1. Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a fan. The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions, the standard values for them are shown in the table on the right.
  • Page 78 16.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the air Electric current Electric current Low Pressure High Pressure Low Pressure High Pressure conditioner during operating during operating Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer...

  • Page 79: Breakdown Self Diagnosis Function

    16.2. Breakdown Self Diagnosis Function 16.2.1. Self Diagnosis Function (Three Digits Alphanumeric Code) 7. The breakdown diagnosis mode will be canceled unless • Once abnormality has occurred during operation, the unit will stop its operation, and Timer LED blinks. pressing the CHECK button continuously for 5 seconds or •...

  • Page 80: Error Codes Table

    16.3. Error Codes Table Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgement operation No memory of failure — Normal operation — — Indoor/outdoor After operation for Indoor fan only Indoor/outdoor • Indoor/outdoor wire terminal abnormal 1 minute operation can communication not establish •...
  • Page 81 Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgement operation Abnormal indoor 3 times happen — Wrong wiring and connecting • Check indoor/outdoor connection operating unit or within 40 minutes pipe, expansion valve wire and connection pipe standby units abnormality, indoor heat •...

  • Page 82: Self-Diagnosis Method

    16.4. Self-diagnosis Method 16.4.1. 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 83 16.4.2. 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. • Indoor unit or outdoor unit PCBs defective. •...
  • Page 84 16.4.3. 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 85 16.4.4. 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 86 16.4.5. 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 0.65A) for continuously 20 seconds. Malfunction Caused • CT defective •...
  • Page 87 16.4.6. 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 > 2550rpm or < 50rpm) Malfunction Caused •...
  • Page 88 16.4.7. 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 89 16.4.8. H25 (e-ion Air Purifying System Abnormal) Malfunction Decision Conditions During standby of cooling and heating operation, e-ion breakdown occurs and air conditioner stops operation. Malfunction Caused • Faulty indoor main PCB. • Faulty indoor e-ion power module. Troubleshooting...
  • Page 90 16.4.9. 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. • Faulty sensor. •...
  • Page 91 16.4.10. 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. • Faulty sensor. •...
  • Page 92 16.4.11. 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 sen- sor are used to determine sensor errors. Malfunction Caused • Faulty connector connection. •...
  • Page 93 16.4.12. H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused • Faulty connector connection. •...
  • Page 94 16.4.13. 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. Troubleshooting...
  • Page 95 16.4.14. H34 (Outdoor Heat Sink Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction Caused • Faulty connector connection. •...
  • Page 96 16.4.15. H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction Caused • Faulty connector connection. •...
  • Page 97 16.4.16. H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction Caused • Faulty connector connection. •...
  • Page 98 16.4.17. H58 (Patrol Sensor Abnormality) Malfunction Decision Conditions • If Patrol sensor feedback is 0V or 5V continuous for 6 hours. • Error will display only when the Patrol operation is ON. Malfunction Caused • Faulty connector connection. • Faulty Patrol sensor. Troubleshooting...
  • Page 99 16.4.18. 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 100 16.4.19. H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions During heating operation, the temperature detected by the indoor pipe temperature sensor is above 60°C. Malfunction Caused • Clogged air filter of the indoor unit •...
  • Page 101 16.4.20. 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 102 16.4.21. F11 (4-way valve Abnormality) Malfunction Decision Conditions • When heating operation, when indoor pipe temperature is below 10°C • When cooling operation, when indoor pipe temperature is above 45°C Malfunction Caused • Connector in poor contact • Faulty sensor •...
  • Page 103 16.4.22. F17 (Indoor Standby Units Freezing Abnormality) Malfunction Decision Conditions • When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor pipe temperature is below -1.0°C Remark: When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s).
  • Page 104 16.4.23. F90 (Power Factor Correction Protection) Malfunction Decision Conditions During startup and operation of cooling and heating, 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 105 16.4.24. F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions • During cooling, compressor frequency = Fcmax. • During heating, compressor frequency > Fhrated. • During cooling and heating operation, running current: 0.65A < I < 1.65A. • During cooling, indoor intake - indoor pipe < 4°C •...
  • Page 106 16.4.25. 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 107 16.4.26. 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 108 16.4.27. 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. •...
  • Page 109 16.4.28. 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 • Refrigerant shortage (refrigerant leakage). • 2/3 way valve closed. • Detection error due to faulty compressor tank temperature sensor. Troubleshooting...
  • Page 110 16.4.29. F98 (Input Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an input over-current (16.8A) is detected by checking the input current value being detected by current transformer (CT) with the compressor running. Malfunction Caused •...
  • Page 111 16.4.30. F99 (Output Over Current Detection) Malfunction Decision Conditions During operation of cooling and heating, when an output over-current (18.5A) is detected by checking the current that flows in the inverter DC peak sensing circuitry. Malfunction Caused • DC peak due to compressor failure. •...

  • Page 112: Disassembly And Assembly Instructions

    17 Disassembly and Assembly Instructions High voltages 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. 17.1. Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.1.1.
  • Page 113 17.1.3. To remove discharge grille...
  • Page 114 17.1.4. To remove control board 17.1.5. To remove cross flow fan and indoor fan motor...

  • Page 116: Outdoor Electronic Controller Removal Procedure

    17.2. Outdoor Electronic Controller Removal Procedure 17.2.1. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1 CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3 Caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 3 screws of the Top Panel. 5. Remove the Control Board as follows: Fig.
  • Page 117 17.2.2. CU-E15JKE 1. Remove the 4 screws of the Top Panel. 4. Remove the Control Board. Fig. 4 5. Remove the 8 screws of the Electronic Controller. Fig. 1 2. Remove the 10 screws of the Front Panel. Fig. 5 Fig.

  • Page 118: Technical Data

    18 Technical Data 18.1. Operation Characteristics 18.1.1. CU-E7JKE...
  • Page 122 18.1.2. CU-E9JKE...
  • Page 126 18.1.3. CU-E12JKE...
  • Page 130 18.1.4. CU-E15JKE...
  • Page 134 18.1.5. CU-E15JKE-1...
  • Page 138 18.1.6. CU-E7JKE-3...
  • Page 142 18.1.7. CU-E9JKE-3...
  • Page 146 18.1.8. CU-E12JKE-3...

  • Page 150: Sensible Capacity Chart

    18.2. Sensible Capacity Chart O CU-E7JKE CU-E7JKE-3 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 2.03 1.54 0.43 1.90 1.48 0.46 1.77 1.42 0.50 1.61 1.35 0.53 19.0°C 2.05 0.47 19.5°C 2.23 1.61 0.44 2.09 1.55 0.47 1.94 1.49 0.50 1.77 1.42...

  • Page 151: 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 152 REF. PART NAME & DESCRIPTION QTY. CS-E7JKEW CS-E9JKEW CS-E12JKEW CS-E15JKEW REMARKS ← ← ← CHASSY COMPLETE CWD50C1599 ← ← ← FAN MOTOR L6CBYYYL0037 ← ← ← CROSS FLOW FAN COMPLETE CWH02C1076 ← ← ← BEARING ASSY CWH64K007 ← ← ←...
  • Page 153 REF. PART NAME & DESCRIPTION QTY. CS-E7JKEW CS-E9JKEW CS-E12JKEW CS-E15JKEW REMARKS ← ← ← INSTALLATION INSTRUCTIONS — (NOTE) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.
  • Page 154 REF. PART NAME & DESCRIPTION QTY. CS-XE7JKEW CS-XE9JKEW CS-XE12JKEW CS-XE15JKEW REMARKS ← ← ← CHASSY COMPLETE CWD50C1605 ← ← ← FAN MOTOR L6CBYYYL0037 ← ← ← CROSS FLOW FAN COMPLETE CWH02C1076 ← ← ← BEARING ASSY CWH64K007 ← ← ← SCREW - CROSS FLOW FAN CWH551146 EVAPORATOR CO.
  • Page 155 REF. PART NAME & DESCRIPTION QTY. CS-XE7JKEW CS-XE9JKEW CS-XE12JKEW CS-XE15JKEW REMARKS ← ← INSTALLATION INSTRUCTIONS CWF613877 — (NOTE) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.
  • Page 156 REF. PART NAME & DESCRIPTION QTY. CS-E7JKEW-3 CS-E9JKEW-3 CS-E12JKEW-3 REMARKS ← ← CHASSY COMPLETE CWD50C1599 ← ← FAN MOTOR L6CBYYYL0037 ← ← CROSS FLOW FAN COMPLETE CWH02C1076 ← ← BEARING ASSY CWH64K007 ← ← SCREW - CROSS FLOW FAN CWH551146 EVAPORATOR CO.
  • Page 157 REF. PART NAME & DESCRIPTION QTY. CS-E7JKEW-3 CS-E9JKEW-3 CS-E12JKEW-3 REMARKS ← ← INSTALLATION INSTRUCTIONS CWF613877 (NOTE) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.

  • Page 158: Outdoor Unit

    19.2. Outdoor Unit 19.2.1. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1 CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3 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 159 REF. NO. PART NAME & DESCRIPTION QTY. CU-E7JKE CU-E9JKE CU-E12JKE CU-E15JKE-1 REMARKS ← ← ← CHASSY ASS’Y CWD50K2073 SOUND PROOF MATERIAL CWG302447 — — — ← ← ← FAN MOTOR BRACKET CWD541089 ← ← ← SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951536...
  • Page 160 REF. NO. PART NAME & DESCRIPTION QTY. CU-E7JKE-3 CU-E9JKE-3 CU-E12JKE-3 REMARKS ← ← CHASSY ASS’Y CWD50K2073 ← ← SOUND PROOF MATERIAL CWG302314 ← ← FAN MOTOR BRACKET CWD541089 ← ← SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR CWA951536 CWA951553 CWA951542 ←...
  • Page 161 19.2.2. CU-E15JKE 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 162 & Y ’ (NOTE) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock. [PHAAM] Printed in Malaysia SFYW0906-02...

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