Panasonic CS-E10HB4EA Service Manual
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Panasonic CS-E10HB4EA Service Manual

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Indoor Unit
CS-E10HB4EA
CS-E15HB4EA
CS-E18HB4EA
CS-E21HB4EAS CU-E21HBEA
© 2008 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0803024C8

Air Conditioner

Outdoor Unit
CU-E10HBEA
CU-E15HBEA
CU-E18HBEA

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Summary of Contents for Panasonic CS-E10HB4EA

  • Page 1: Air Conditioner

    Order No. MAC0803024C8 Air Conditioner Indoor Unit Outdoor Unit CS-E10HB4EA CU-E10HBEA CS-E15HB4EA CU-E15HBEA CS-E18HB4EA CU-E18HBEA CS-E21HB4EAS CU-E21HBEA © 2008 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    7 Block Diagram --------------------------------------------------- 19 7.1. CS-E15HB4EA CU-E15HBEA E18HB4EA CU-E18HBEACS-E21HB4EAS CU-E21HBEA --------------------------------------------- 19 7.2. CS-E10HB4EA CU-E10HBEA ----------------------- 20 8 Wiring Connection Diagram --------------------------------- 21 8.1. Indoor Unit ------------------------------------------------- 21 8.2. Outdoor Unit ----------------------------------------------- 22 9 Electronic Circuit Diagram----------------------------------- 24 9.1. Indoor Unit ------------------------------------------------- 24 9.2.

  • 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 20. After completion of the installation servicing confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire. 21. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire. 1.

  • Page 5: Specifications

    2 Specifications 2.1. CS-E10HB4EA CU-E10HBEA ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT / AS 2.50 (0.60 ~ 3.20) Capacity BTU/h 8530 (2050 ~ 10900) kCal/h 2150 (520 ~ 2750) 4.03 (4.14 ~ 3.68) Btu/hW 13.8 (14.1 ~ 12.5)
  • Page 6 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Type Backward Fan Propeller Fan Material ABS + GF 10% Motor Type DC Brushless Motor (8-pole) Transistor (8-pole) Output Power QLo (Cool/Heat) 350 / 410 — Lo (Cool/Heat) 400 / 440 — Fan Speed Me (Cool/Heat) 480 / 510 —...

  • Page 7: Cs-E15Hb4Ea Cu-E15Hbea

    2.2. CS-E15HB4EA CU-E15HBEA ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT / AS 4.10 (0.90 ~ 4.80) Capacity BTU/h 14000 (3070 ~ 16400) kCal/h 3530 (770 ~ 4130) 3.15 (3.53 ~ 2.81) Btu/hW 10.8 (12.00 ~ 9.60) dB (A) Hi: 34, Lo: 26, Q-Lo: 23 Hi: 45 Noise Level...
  • Page 8 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Type Backward Fan Propeller Fan Material ABS + GF 10% Motor Type DC Brushless Motor (8-pole) Transistor (8-pole) Output Power QLo (Cool/Heat) 350 / 460 — Lo (Cool/Heat) 400 / 480 — Fan Speed Me (Cool/Heat) 480 / 540 —...

  • Page 9: Cs-E18Hb4Ea Cu-E18Hbea

    2.3. CS-E18HB4EA CU-E18HBEA ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT / AS 4.80 (0.90 ~ 5.70) Capacity BTU/h 16400 (3070 ~ 19400) kCal/h 4130 (770 ~ 4900) 3.14 (3.53 ~ 2.95) Btu/hW 10.7 (12.0 ~ 10.1) dB (A) Hi: 36, Lo: 28, Q-Lo: 25 Hi: 47 Noise Level...
  • Page 10 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Type Backward Fan Propeller Fan Material ABS + GF 10% Motor Type DC Brushless Motor (8-pole) Transistor (8-pole) Output Power QLo (Cool/Heat) 390 / 470 — Lo (Cool/Heat) 430 / 490 — Fan Speed Me (Cool/Heat) 510 / 565 —...

  • Page 11: Cs-E21Hb4Eas Cu-E21Hbea

    2.4. CS-E21HB4EAS CU-E21HBEA ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition EUROVENT / AS 5.90 (0.90 ~ 6.30) Capacity BTU/h 20100 (3070 ~ 21500) kCal/h 5070 (770 ~ 5420) 2.88 (3.53 ~ 2.86) Btu/hW 9.8 (12.0 ~ 9.8) dB (A) Hi: 41, Lo: 33, Q-Lo: 30 Hi: 49 Noise Level...
  • Page 12 ITEM UNIT INDOOR UNIT OUTDOOR UNIT Type Backward Fan Propeller Fan Material ABS + GF 10% Motor Type DC Brushless Motor (8-pole) Transistor (8-pole) Output Power QLo (Cool/Heat) 480 / 560 — Lo (Cool/Heat) 510 / 580 — Fan Speed Me (Cool/Heat) 605 / 675 —...

  • Page 13: Features

    3 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 (E10/15HBEA), 30 meter (E18/21HBEA) •...

  • Page 14: Location Of Controls And Components

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

  • Page 15: Dimensions

    5 Dimensions 5.1. Indoor Unit & Remote Control...

  • Page 16: Outdoor Unit

    5.2. Outdoor Unit 5.2.1. CU-E15HBEA CU-E18HBEA CU-E21HBEA...
  • Page 17 5.2.2. CU-E10HBEA...

  • Page 18: Refrigeration Cycle Diagram

    6 Refrigeration Cycle Diagram Piping size Rated Common Min. Max. Additional Length Length Elevation Piping Piping Refrigerant Model Liquid Length Length (g/m) E10HBEA 3/8” 1/4” E15HBEA 1/2” 1/4” E18HBEA, 1/2” 1/4” E21HBEA * If piping length is over common length, additional refrigerant should be added as shown in the table.

  • Page 19: Block Diagram

    7 Block Diagram 7.1. CS-E15HB4EA CU-E15HBEA CS-E18HB4EA CU-E18HBEA CS-E21HB4EAS CU-E21HBEA...

  • Page 20: Cs-E10Hb4Ea Cu-E10Hbea

    7.2. CS-E10HB4EA CU-E10HBEA...

  • Page 21: Wiring Connection Diagram

    8 Wiring Connection Diagram 8.1. Indoor Unit...

  • Page 22: Outdoor Unit

    8.2. Outdoor Unit 8.2.1. CU-E15HBEA CU-E18HBEA CU-E21HBEA...
  • Page 23 8.2.2. CU-E10HBEA...

  • Page 24: Electronic Circuit Diagram

    9 Electronic Circuit Diagram 9.1. Indoor Unit...

  • Page 25: Outdoor Unit

    9.2. Outdoor Unit 9.2.1. CU-E15HBEA CU-E18HBEA CU-E21HBEA...
  • Page 26 9.2.2. CU-E10HBEA...

  • Page 27: Printed Circuit Board

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

  • Page 28: Outdoor Unit

    10.2. Outdoor Unit 10.2.1. Main Printed Circuit Board 10.2.1.1. CU-E15HBEA CU-E18HBEA CU-E21HBEA...
  • Page 29 10.2.1.2. CU-E10HBEA...
  • Page 30 10.2.2. CPU Printed Circuit Board 10.2.2.1. CU-E10HBEA...

  • Page 31: Installation Instruction

    11 Installation Instruction 11.1. Select The Best Location 11.2. Indoor/Outdoor Unit Installation OUTDOOR UNIT Diagram • 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.

  • Page 32: Installation Of Indoor Unit

    The installation position must be able to support a load four times the indoor unit weight. The indoor unit must be away from heat and steam sources, but avoid installing it near an entrance. The indoor unit must allow easy draining. The indoor unit must allow easy connection to the outdoor unit.

  • Page 33: Refrigerant Piping

    POSITIONS OF AIR CONDITIONER BODY AND CEILING SURFACE 11.3.3. REFRIGERANT PIPING Refrigerant is charged to the outdoor unit. For details, see the manual for installation work of outdoor unit. (Additional charging, etc.) 1. Brazing for piping. a. Execute brazing before tightening the flare nut. b.

  • Page 34: Indoor Unit Drain Piping

    11.3.4. INDOOR UNIT DRAIN PIPING • During drain piping connection, be careful not to exert extra force on the drain port at the indoor unit. • The outside diameter of the drain connection at the indoor unit is 32mm. Piping material: Polyvinyl chloride pipe VP-25 and pipe fittings. •...

  • Page 35: Heat Insulation

    11.3.5. HEAT INSULATION Be sure to perform heat insulation on the drain, liquid and gas piping. Imperfection in heat insulation work leads to water leakage. 1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over 120°C). 2.

  • Page 36: Installation Of Decorative Panel

    11.3.6. CONNECTING THE CABLE TO THE INDOOR • Remove the mounting screw, remove the control box cover, and then connect the wires by following the procedure given in the illustration. Earth lead wire shall be longer than other wires as shown in the figure for the electrical safety in case of the slipping out of the cord from anchorage.
  • Page 37 CAUTION • Check before hand the height from the ceiling to the unit. • The front grille fitting direction is determined by the unit direction. • Only use the screws with the length of 35mm which is provided, to fix the decorative panel. •...

  • Page 38: Outdoor Unit

    11.4. Outdoor Unit 11.4.1. SELECT THE BEST LOCATION (Refer to “Select the best location” section) 11.4.2. 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.

  • Page 39: Evacuation Of The Equipment

    11.4.4. 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 40: Connect The Cable To The Outdoor Unit

    11.4.5. CONNECT THE CABLE TO THE OUTDOOR UNIT (FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT) 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
  • Page 41 CHANGING THE REMOTE CONTROL TRANSMISSION CODE 1. Press AUTO SW continuously for 11 seconds (buzzer sound = pep pep pep) 2. After 11 seconds, release AUTO SW, then press Remo- Con TIMER “ ” SW continuously for 5 seconds. Reset code will be transmitted.

  • Page 42: 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 43: Automatic 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 44: Airflow Direction

    [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 45: Quiet Operation (Cooling Mode/Cooling Area Of Soft Dry Mode)

    1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below.

  • Page 46: Powerful Mode Operation

    12.3.1. Quiet operation (Heating) A. Purpose To provide quiet heating 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. Quiet operation stop condition 1.

  • Page 47: Timer Control

    12.5. Timer Control 12.5.1. ON Timer Control ON timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set ON time. 60 minutes before the set time, indoor (at fan speed of Lo-) and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time.

  • Page 48: Drain Pump Control Operation

    12.8. Drain Pump Control Operation • To drain out the condensed watar trapped in the drain pan in order to prevent the condensed water from overflowing from the drain pan and leaking. • Drain Pump starts to operate 10 sec. after compressor and Indoor fan ON. •...

  • Page 49: 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 50: Protection Control For Cooling & Soft Dry Operation

    13.1.4. IPM (Power transistor) Prevention Control A. Overheating Prevention Control 1. When the IPM temperature rises to 110°C, compressor operation will stop immediately. 2. Compressor operation restarts after three minutes the temperature decreases to 95°C. B. DC Peak Current Control 1.

  • Page 51: 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.

  • Page 52: 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: 1. 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 53: Servicing Mode

    14 Servicing Mode 14.1. 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 54: Select Remote Control Transmission Code

    14.2. Select Remote Control Transmission Code • There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor unit. The indoor unit will only operate when received signal with same transmission code from remote control. This could prevent signal interference when there are 2 or more indoor units installed nearby together.

  • Page 55: Troubleshooting Guide

    15 Troubleshooting Guide 15.1. 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 56: 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 air conditioner Low Pressure High Pressure Electric current Low Pressure High Pressure Electric current during operation during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer...

  • Page 57: 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 unless pressing the CHECK button continuously for 5 will stop its operation, and Timer LED blinks. seconds or operating the unit for 30 seconds. •...

  • Page 58: Error Codes Table

    15.4. Error Codes Table Diagnosis Abnormality Emergency Abnormality / Protection control Primary location to verify display Judgement operation No abnormality detected — Normal operation — Indoor / outdoor abnormal communication > 1 min. after start- Indoor fan • Internal / external cable connections ing operation operation only •...

  • Page 59: 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 tis caution may result in electric shocks. 16.1.
  • Page 60 4. To remove the Electronic Controller, release the 6 hooks that hold it to the Control Board (Fig. 4). Fig. 4 5. Remove the Front Grille by removing the screw A and screws B, C & D half way open (Fig. 5). Fig.
  • Page 61 8. Remove the Fan Motor by release the Fan Motor lead 2. Remove the Outdoor Electronic Controller wire connectors and Fan Motor screws (Fig. 8). Fig. 10 Fig. 8 Outdoor Electronic Controller Removal Procedure 1. Remove the top panel and front panel Fig.

  • Page 62: Technical Data

    17 Technical Data 17.1. Operation Characteristics 17.1.1. CS-E10HB4EA CU-E10HBEA...
  • Page 66 17.1.2. CS-E15HB4EA CU-E15HBEA...
  • Page 70 17.1.3. CS-E18HB4EA CU-E18HBEA...
  • Page 74 17.1.4. CS-E21HB4EAS CU-E21HBEA...

  • Page 78: Sensible Capacity Chart

    17.2. Sensible Capacity Chart CS-E10HB4EA CU-E10HBEA Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 2.48 1.88 0.57 2.32 1.80 0.61 2.16 1.73 0.65 1.96 1.65 0.70 19.0°C 2.50 0.62 19.5°C 2.72 1.97 0.58 2.55 1.89 0.62 2.37 1.82 0.67 2.15 1.73...

  • Page 79: Exploded View And Replacement Parts List

    18 Exploded View and Replacement Parts List 18.1. CS-E10HB4EA CS-E15HB4EA CS-E18HB4EA CS-E21HB4EAS...
  • Page 80 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 81 <Model: CS-E10HB4EA CS-E15HB4EA CS-E18HB4EA CS-E21HB4EAS> REF. PARTS NAME & DESCRIPTION QTY CS-E10HB4EA CS-E15HB4EA CS-E18HB4EA CS-E21HB4EAS REMARKS ← ← ← BASE PAN ASS’Y CWD52K1100 ← ← ← INNER POLYSTYRENE COMPLETE CWG07C1047 ← ← ← CABINET SIDE PLATE ASS’Y CWE041121 ← ←...

  • Page 82: Cz-Bt20E (Front Grille Complete)

    18.2. CZ-BT20E (Front Grille Complete) 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 83 REF. NO. PART DESCRIPTION PART NO. FRONT GRILLE - COMPLETE CWE11C3105 FRONE - FRONT GRILLE CO. CWE11C3353 A.S MOTOR DC SINGLE 12V 250 OHM CWA981105J BRACKET - A.S.MOTOR CWD932522 VANE CWE241159 SHAFT CWH631038 SHAFT CWH631045 CONNECTOR - SHAFT CWH081007 BEARING CWH641008 PLATE COVER FOR A.S.MOTOR CWD911459...

  • Page 84: Cu-E10Hbea

    18.3. CU-E10HBEA 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 85 <Model: CU-E10HBEA> REF. NO. DESCRIPTION & NAME QTY. CU-E10HBEA REMARKS CHASSY ASS’Y CWD50K2176 FAN MOTOR BRACKET CWD541089 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR ARW44W8P40AC SCREW - FAN MOTOR MOUNT CWH55252J PROPELLER FAN ASSY CWH03K1014 NUT - PROPELLER FAN CWH56053J COMPRESSOR 5CS110XBD04...

  • Page 86: Cu-E15Hbea Cu-E18Hbea Cu-E21Hbea

    18.4. CU-E15HBEA CU-E18HBEA CU-E21HBEA 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 87 <Model: CU-E15HBEA CU-E18HBEA CU-E21HBEA> REF. NO. DESCRIPTION & NAME QTY. CU-E15HBEA CU-E18HBEA CU-E21HBEA REMARKS ← ← CHASSY ASS’Y CWD50K2085 ← ← ANTI-VIBRATION BUSHING CWH50077 ← ← COMPRESSOR 5CS130XAE04 ← ← NUT-COMPRESSOR MOUNT CWH56000J ← ← SOUND PROOF MATERIAL CWG302302 ← FAN MOTOR BRACKET CWD541084 CWD541054...
  • Page 88 [PHAAM] Printed in Malaysia SSYW0803 - 00...

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