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Please file and use this manual together with the Service Manuals for the following models:
Indoor unit models: CS-ME7CKPG, CS-ME10CKPG, CS-ME12CKPG, CS-ME14CKPG and CS-ME18CKPG;
Outdoor unit models: CU-2E15CBPG, CU-2E18CBPG, CU-3E23CBPG and CU-4E27CBPG (Order No.
RAC0209005C2); Indoor unit models: CS-ME7CB1P, CS-ME10CB1P, CS-ME12CB1P, CS-ME14CB1P, CS-
ME10CD3P and CS-ME14CD3P; Outdoor unit models: CU-3E23CBPG and CU-4E27CBPG (Order No.
RAC0312001A8)
CONTENTS
CS-ME7DKEG CS-ME10DD3EG
CS-ME10DTEG CS-E15DB4EW
CS-ME7DKRG CS-ME7DKDG
CS-E9DKEW CS-E9DKRW
CS-E9DKDW CS-E12DKEW
CS-E12DKRW CS-E12DKDW
CS-E15DKEW CS-E15DKRW
CS-E15DKDW CS-E18DKEW
CS-E18DKRW CS-E18DKDW
CS-E15DD3EW CS-E18DD3EW
CS-E15DTEW CS-E18DTEW
CS-E18DB4EW
Page
3
4
4
4
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8
© 2005 Matsushita Electric Industrial Co., Ltd. All
rights
distribution is a violation of law.
Order No. RAC0503011C2
Multi Air Conditioner
reserved.
Unauthorized
Page
11
13
15
15
16
17
18
copying
and

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   Summary of Contents for Panasonic CS-ME7DKEG

  • Page 1: Table Of Contents

    Order No. RAC0503011C2 Multi Air Conditioner CS-ME7DKEG CS-ME10DD3EG CS-ME10DTEG CS-E15DB4EW CS-ME7DKRG CS-ME7DKDG CS-E9DKEW CS-E9DKRW CS-E9DKDW CS-E12DKEW CS-E12DKRW CS-E12DKDW CS-E15DKEW CS-E15DKRW CS-E15DKDW CS-E18DKEW CS-E18DKRW CS-E18DKDW CS-E15DD3EW CS-E18DD3EW CS-E15DTEW CS-E18DTEW CS-E18DB4EW Please file and use this manual together with the Service Manuals for the following models: Indoor unit models: CS-ME7CKPG, CS-ME10CKPG, CS-ME12CKPG, CS-ME14CKPG and CS-ME18CKPG;...

  • Page 2

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4.5. Outdoor units: CU-2E15CBPG / CU-2E18CBPG 11.2. Duct Type 4.6. Outdoor units: CU-3E23CBPG / CU-4E27CBPG 11.3. Ceiling Floor Type 5 Dimensions 11.4. Mini-Cassette Type 5.1. Wall Type 12 Operating Instructions 5.2. Duct Type 13 Installation and Servicing Air Conditioner Using R410A 5.3.

  • Page 3: Features

    4.4 kW and 5.0 kW) 1) Two CS-ME7DKEG only. (Total nominal cooling capacity is 4.4 kW.) 2) One CS-ME7DKEG and one CS-E9DKEW. (Total nominal cooling capacity is 5.0 kW.) Remarks for CU-3E23CBPG / CU-4E27CBPG: 1. At least two indoor units must be connected.

  • Page 4: About Lead Solder (pbf)

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW • • • • Serviceability − − − − Self diagnosis − − − − Test Run at both Cooling and Heating rated frequency • • • • Built-in drain pump (Cassette and Duct type) −...

  • Page 5: Functions

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3 Functions 3.1. Wall Type 3.1.1. Remote Control...

  • Page 6

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.1.2. Indoor Unit...

  • Page 7

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW...

  • Page 8: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.2. Duct Type 3.2.1. Remote Control...

  • Page 9

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.2.2. Indoor Unit...

  • Page 10

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW...

  • Page 11: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.3. Ceiling Floor Type 3.3.1. Remote Control...

  • Page 12

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.3.2. Indoor Unit...

  • Page 13: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.4. Mini-Cassette Type 3.4.1. Remote Control...

  • Page 14

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 3.4.2. Indoor Unit...

  • Page 15: Product Specifications

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4 Product Specifications 4.1. Wall Type CS-ME7DKEG CS-E9DKEW CS-E12DKEW CS-E15DKEW CS-E18DKEW Model Unit CS-ME7DKRG CS-E9DKRW CS-E12DKRW CS-E15DKRW CS-E18DKRW CS-ME7DKDG CS-E9DKDW CS-E12DKDW CS-E15DKDW CS-E18DKDW Item Wall Type Power Source Outdoor power Single 230V 50Hz Air Volume...

  • Page 16: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4.2. Duct Type Model Unit CS-ME10DD3EG CS-E15DD3EW CS-E18DD3EW Item Duct Type Power Source Outdoor power Single 230V 50Hz Air Volume Cooling /min High: 7.0 High: 7.8 High: 10.3 (cfm) (250) (280) (360) Heating /min High: 8.9 High: 12.6...

  • Page 17: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4.3. Ceiling Floor Type Model Unit CS-ME10DTEG CS-E15DTEW CS-E18DTEW Item Ceiling Floor Type Power Source Outdoor power Single 230V 50Hz Air Volume Cooling /min High: 9.3 High: 11.7 High: 12.1 (cfm) (330) (410) (430) Heating /min High: 9.3...

  • Page 18: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4.4. Mini-Cassette Type Model Unit CS-E15DB4EW CS-E18DB4EW Item Mini-Cassette Type Power Source Outdoor power Single 230V / 240V, 50Hz Air Volume Cooling /min High: 10.5 High: 11.0 (cfm) (370) (390) Heating /min High: 10.8 High: 11.5...

  • Page 19: Outdoor Units: Cu-2e15cbpg / Cu-2e18cbpg

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4.5. Outdoor units: CU-2E15CBPG / CU-2E18CBPG Outdoor Unit Indoor unit combination Operation Capacity (kW) Power input (kW) Current (A) mode Operation Class (kW) Rating mini - max Rating mini - max CU-2E15CBPG One-room Cooling 2.20 1.1 - 2.9...

  • Page 20: Outdoor Units: Cu-3e23cbpg / Cu-4e27cbpg

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4.6. Outdoor units: CU-3E23CBPG / CU-4E27CBPG Outdoor Unit Indoor unit combination Operation Capacity (kW) Power input (kW) Current (A) mode Operation Class (kW) Rating mini - max Rating mini - max CU-3E23CBPG One-room Cooling 2.20 1.9 - 2.7...

  • Page 21

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Outdoor Unit Indoor unit combination Operation Capacity (kW) Power input (kW) Current (A) mode Operation Class (kW) Rating mini - max Rating mini - max CU-3E23CBPG Three-room 2.8 + 2.8 + Cooling 6.80 2.7 - 8.2 1.96...

  • Page 22

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Outdoor Unit Indoor unit combination Operation Capacity (kW) Power input (kW) Current (A) mode Operation Class (kW) Rating mini - max Rating mini - max CU-4E27CBPG Three-room 2.2 + 2.8 + Cooling 8.00 2.8 - 8.3 2.46...

  • Page 23

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Outdoor Unit Indoor unit combination Operation Capacity (kW) Power input (kW) Current (A) mode Operation Class (kW) Rating mini - max Rating mini - max CU-4E27CBPG Four-room 2.2 + 2.2 + Cooling 8.00 2.9 - 8.9 2.11...

  • Page 24: Dimensions

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 5 Dimensions 5.1. Wall Type...

  • Page 25

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW...

  • Page 26: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 5.2. Duct Type...

  • Page 27

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW...

  • Page 28: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 5.3. Ceiling Floor Type...

  • Page 29: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 5.4. Mini-Cassette Type...

  • Page 30: Refrigeration Cycle Diagram

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 6 Refrigeration Cycle Diagram 6.1. CU-2E15CBPG / CU-2E18CBPG...

  • Page 31: Cu-3e23cbpg / Cu-4e27cbpg

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 6.2. CU-3E23CBPG / CU-4E27CBPG...

  • Page 32: Block Diagram

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 7 Block Diagram...

  • Page 33: Wiring Diagram

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 8 Wiring Diagram 8.1. Wall Type...

  • Page 34: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 8.2. Duct Type...

  • Page 35: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 8.3. Ceiling Floor Type...

  • Page 36: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 8.4. Mini-Cassette Type...

  • Page 37: Operation Details

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9 Operation Details 9.1. Wall Type 9.1.1. 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 38

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Table (d): Indoor Air Temperature Shifting 1. Target room temperature shift value (dGetaDst) • • • • To offset the absolute gap between detection temperature with actual room temperature. • • • • The heat exchanger unit’s temperature is different based on operation mode, it becomes the action operation mode value.

  • Page 39

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.2. Simultaneous Operation Control 1. Operation modes which can be selected using the remote control unit: Automatic, Cooling, Dry, Heating, Fan operation mode. 2. Types of operations modes which can be performed simultaneously • • • • Cooling operation and cooling, Dry or fan operation •...

  • Page 40

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.3. Cooling Operation 9.1.1.3.1. Thermostat control • • • • Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -1.5°C. • • • • Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point.

  • Page 41

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.6. Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature, 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 42

    1110 1040 Notes: 1. Refer to the CS-ME7DKEG column for CS-ME7DKRG and CS-ME7DKDG. 2. Refer to the CS-E9DKEW column for CS-E9DKRW and CS-E9DKDW. 3. Refer to the CS-E12DKEW column for CS-E12DKRW and CS-E12DKDW. 4. Refer to the CS-E15DKEW column for CS-E15DKRW and CS-E15DKDW.

  • Page 43

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW B. Indoor Fan Control i. Indoor fan control operation outline 1. Cooling / Dry...

  • Page 44

    1330 1350 • • • • Refer to the CS-ME7DKEG column for CS-ME7DKRG and CS-ME7DKDG. • • • • Refer to the CS-E9DKEW column for CS-E9DKRW and CS-E9DKDW. • • • • Refer to the CS-E12DKEW column for CS-E12DKRW and CS-E12DKDW.

  • Page 45

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 2. Heating Note: a. UP: • • • • If move from Lo, the fan speed will be shifted to Maximum 1,520 rpm. • • • • If move from Maximum, the fan speed no change.

  • Page 46

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW D. Deodorizing Control i. Control condition Control at cooling/dry operation and auto fan speed. No Deodorizing Control is performed during ON timer standby operation and during Anti-freezing control prevention. ii. Operation The odor status is arranged as below and it is shifted as follows.

  • Page 47

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Horizontal Airflow 1. Automatic horizontal airflow direction can be set using remote control; the vane swings left and right within the angles as stated below. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below.

  • Page 48

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 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.

  • Page 49

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.11. Powerful Mode Operation When the powerful mode is selected, the internal setting temperature will shift to achieve the setting temperature quickly. (a) Cooling Operation (b) Soft Dry Operation (c) Heating Operation 9.1.1.12. Delay ON Timer Control Delay ON timer can be set using remote control, the unit with timer set will start operate earlier than the setting time.

  • Page 50

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.14. Auto Restart Control • • • • If there is a power failure, operation will automatically be restarted when the power is resumed. It will start with the previous operation mode and airflow direction. (Timer Delay Safety Control is valid.) 1.

  • Page 51: Ionizer Operation

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.16. Auto Operation Switch 1. When the switch is pressed between 0 to 5 seconds, Auto Mode operation starts to function. 2. When the switch is pressed between 5 to 8 seconds, the unit is forced to operate in Cooling Mode.

  • Page 52

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW b. Operation Mode + Ionizer Operation. 1. Ionising Operation Start Condition When air conditioner unit is in “ON” condition (Heat, Cool, Dry, Fan, Auto mode) and an ION operation button at remote control is pressed. Ionizer on & ION LED illuminates. (3 → 4) Power LED also illuminates.

  • Page 53

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.1.1.17.2. Ionizer Operation case study Case 1 9.1.2. Anti-Freezing Control 1. When indoor heat exchanger temperature is lower than 2°C continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 10°C.

  • Page 54: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.2. Duct Type 9.2.1. Simultaneous Operation Control 1. Operation modes which can be selected using the remote control unit: Automatic, Cooling, Dry, Heating, Fan operation mode. 2. Types of operations modes which can be performed simultaneously •...

  • Page 55: Indoor Fan Control

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.2.2. Indoor Fan Control • • • • The following shows how fan speed changes depending on the setting made with the FAN SPEED button and other operating conditions. • • • • Actual fan speed may differ from that you set with remote control.

  • Page 56: Drain Pump Control

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.2.3. Drain Pump Control Basic operation • • • • The drain pump starts 50 seconds after the indoor unit starts or the thermostat comes on (i.e., 10 seconds after the fan motor starts). The drain pump stops 30 seconds after the indoor unit stops or the thermostat turns off.

  • Page 57

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.2.4. Auto Restart Control • • • • If there is a power failure, operation will automatically be restarted when the power is resumed. It will start with the previous operation mode and airflow direction. (Timer Delay Safety Control is valid.) 1.

  • Page 58

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.2.5. Other Indoor Unit Operation Functions 9.2.5.1. Auto button Proceed with operation when the air conditioner is stopped. (When the auto button is pressed during operation, the air conditioner is stopped.) 1. Emergency operation Press the auto button and release it within 5 seconds to perform emergency operation.

  • Page 59

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW • • • • Under various setting mode, after select the transmission code combination of remote control, press any button of remote control to transmit a signal to indoor unit. The transmission code will be stored in EEPROM.

  • Page 60: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3. Ceiling Floor Type 9.3.1. 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 61

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Table (d): Indoor Air Temperature Shifting 1. Target room temperature shift value (dGetaDst) • • • • To offset the absolute gap between detection temperature with actual room temperature. • • • • The heat exchanger unit’s temperature is different based on operation mode, it becomes the action operation mode value.

  • Page 62

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.2. Simultaneous Operation Control 1. Operation modes which can be selected using the remote control unit: Automatic, Cooling, Dry, Heating, Fan operation mode. 2. Types of operations modes which can be performed simultaneously • • • • Cooling operation and cooling, Dry or fan operation •...

  • Page 63

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.3. Cooling Operation 9.3.1.3.1. Thermostat control • • • • Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -1.5°C. • • • • Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point.

  • Page 64

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.6. Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature, 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 65

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.7. Indoor Fan Motor Operation A. Basic Rotation Speed (rpm) • • • • Required rotation speed for fan is set to respond to the remote control setting (10 rpm unit) [Cooling, Dry, Fan] Remote Control —...

  • Page 66

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW B. Indoor Fan Control i. Indoor fan control operation outline 1. Cooling / Dry...

  • Page 67

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 2. Heating ii. Auto Fan Speed 1. Cooling Model No. A No. B No. C Powerful Program CS-ME10DTEG CS-E15DTEW CS-E18DTEW 1010 1030 Normal Program CS-ME10DTEG CS-E15DTEW CS-E18DTEW Quiet Program CS-ME10DTEG CS-E15DTEW CS-E18DTEW...

  • Page 68

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 2. Heating Note: a. UP: • • • • If move from Lo, the fan speed will be shifted to Maximum 1,520 rpm. • • • • If move from Maximum, the fan speed no change.

  • Page 69

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.8. Airflow Direction 1. There is one type of airflow, vertical airflow (directed by horizontal vane). 2. 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 70

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.9. Quiet operation (Cooling Mode/Cooling area of 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.

  • Page 71

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW C. Control contents a. Fan Speed manual 1. Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of Hi, Me, Lo for 3dB. 2. Fan speed for quiet operation is -1 step from setting fan speed.

  • Page 72

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.13. Delay OFF Timer Control Delay OFF timer can be set using remote control, the unit with timer set will stop operate at set time. 9.3.1.14. Auto Restart Control 1. When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes.

  • Page 73

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.3.1.17. Anti-Freezing Control 1. When indoor heat exchanger temperature is lower than 2°C continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 10°C.

  • Page 74: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4. Mini-Cassette Type 9.4.1. 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 75

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Table (d): Indoor Air Temperature Shifting 1. Target room temperature shift value (dGetaDst) • • • • To offset the absolute gap between detection temperature with actual room temperature. • • • • The heat exchanger unit’s temperature is different based on operation mode, it becomes the action operation mode value.

  • Page 76

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4.1.2. Simultaneous Operation Control 1. Operation modes which can be selected using the remote control unit: Automatic, Cooling, Dry, Heating, Fan operation mode. 2. Types of operations mode which can be performed simultaneously • • • • Cooling operation and cooling, Dry or fan operation •...

  • Page 77

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4.1.3. Cooling Operation 9.4.1.3.1. Thermostat control • • • • Compressor is OFF when Intake Air Temperature - Internal Setting Temperature < -1.5°C. • • • • Compressor is ON after waiting for 3 minutes, if the Intake Air Temperature - Internal Setting Temperature > Compressor OFF point.

  • Page 78

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4.1.6. Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature, 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 79

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4.1.7. Indoor Fan Motor Operation A. Basic Rotation Speed (rpm) • • • • Required rotation speed for fan is set to respond to the remote control setting (10 rpm unit) [Cooling, Dry, Fan] Remote Control —...

  • Page 80

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW B. Indoor Fan Control i. Indoor fan control operation outline 1. Cooling / Dry...

  • Page 81

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 2. Heating ii. Auto Fan Speed 1. Cooling Model No. A No. B No. C Powerful Program CS-E15DB4EW CS-E18DB4EW Normal Program CS-E15DB4EW CS-E18DB4EW Quiet Program CS-E15DB4EW CS-E18DB4EW...

  • Page 82

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 2. Heating Note: a. UP: • • • • If move from Lo, the fan speed will be shifted to Maximum 1,520 rpm. • • • • If move from Maximum, the fan speed no change.

  • Page 83

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW D. Deodorizing Control i. Control condition Control at cooling/dry operation and auto fan speed setting. No Deodorizing Control is performed during ON timer standby operation and during Anti-freezing control prevention. ii. Operation The odor status is arranged as below and it is shifted as follows.

  • Page 84

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4.1.9. Quiet operation (Cooling Mode/Cooling area of 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.

  • Page 85

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW b. Quiet operation stop condition 1. When one of the following conditions is satisfied, quiet operation stops: a. Powerful button is pressed. b. Stop by OFF/ON switch. c. Timer “off” activates. d. Quiet button is pressed again.

  • Page 86

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 9.4.1.12. Delay ON Timer Control Delay 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.

  • Page 87

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 4. When the switch is pressed between 11 to 16 seconds and together with the signal from remote control (timer decrement button for 5s), the unit can be changed to different controlling setting (4 type of transmission codes).

  • Page 88: Self Diagnosis Display

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 10 Self Diagnosis Display 10.1. Breakdown Self Diagnosis Function (Three Digits Alphanumeric Code) • • • • Once abnormality has been detected during operation, the unit will immediately stop its operation. (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 light up again.

  • Page 89: Error Code

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 10.2. Error Code Symbol Diagnosis Diagnosis method Indoor / Outdoor This trouble display appears when indoor/outdoor unit communication fails to be established after 30 seconds or abnormal more. communication <Diagnosis checkpoint> 1. Measure the voltage of the indoor/outdoor unit communication cables, and check whether the voltage is being supplied properly to the outdoor unit or whether it is being returned from the outdoor unit to the indoor units.

  • Page 90

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Symbol Diagnosis Diagnosis method Outdoor discharge Disconnected discharge sensor • • • • When the condition temperature is higher than the discharge temperature + (plus) 6°C, a sensor pipe temp. sensor disconnection is detected, operation stops, and the trouble display appears (the timer lamp blinks).

  • Page 91

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Symbol Diagnosis Diagnosis method Indoor operating unit The restriction on the compressor frequency is started when the indoor unit heat exchanger temperature is freezing between 8°C and 12°C. Operation stops if a temperature below 0°C continues for 6 minutes. Three minutes later, operation is started up at a temperature from 3°C to 8°C.

  • Page 92

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Symbol Diagnosis Diagnosis method IPM (Power transistor When this trouble is detected from the electrical parts radiation fin temperature sensor and OLP output during module) or operation, operation stops, and it is restarted 3 minutes later. If the trouble occurs on 4 occasions, operation compressor stops, and the trouble display appears.

  • Page 93: Installation Instructions

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 11 Installation Instructions 11.1. Wall Type...

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  • Page 101: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 11.2. Duct Type...

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  • Page 110: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 11.3. Ceiling Floor Type...

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    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 11.4. Mini-Cassette Type...

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  • Page 125: Operating Instructions

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 12 Operating Instructions...

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  • Page 139: Installation And Servicing Air Conditioner Using R410a

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13 Installation and Servicing Air Conditioner Using R410A 13.1. OUTLINE 13.1.1. About R410A Refrigerant 1. Converting air conditioners to R410A Since it was declared in1974 that chlorofluorocarbons (CFC), hydro chlorofluorocarbons (HCFC) and other substances pose a destructive danger to the ozone layer in the earth’s upper stratosphere (20 to 40 km above the earth), measures have been...

  • Page 140: Tools For Installing/servicing Refrigerant Piping

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW d. R410A refrigerating machine oil Conventionally, mineral oil or a synthetic oil such as alkylbenzene has been used for R22 refrigerating machine oil. Because of the poor compatibility between R410A and conventional oils like mineral oil, however, there is a tendency for the refrigerating machine oil to collect in the refrigerating cycle.

  • Page 141: R410a Tools

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13.2.2. R410A Tools 1. Copper tube gauge for clearance adjustment (used when flaring with the conventional flaring tool (clutch type)) • • • • This gauge makes it easy to set the clearance for the copper tube to 1.0-1.5 mm from the clamp bar of the...

  • Page 142

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 5. Charging hose • • • • The pressure resistance of the charging hose has been raised to match the higher pressure of R410A. The hose material has also been changed to suit HFC use, and the size of the fitting has been changed to match the manifold ports.

  • Page 143

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 8. Electronic scale for refrigerant charging • • • • Because of the high pressure and fast vaporizing speed of R410A, the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is...

  • Page 144: Refrigerant Piping Work

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13.3. REFRIGERANT PIPING WORK 13.3.1. Piping Materials It is recommended that you use copper and copper alloy jointless pipes with a maximum oil adherence of 40 mg/10m. Do not use pipes that are crushed, deformed, or discolored (especially the inside surface). If these inferior pipes are used, impurities may clog the expansion valves or capillaries.

  • Page 145

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW Fig. 11 Relation between the flare nut structure and flaring tool end Table 11 R410A flaring dimensions Nominal Outside Wall thickness A (mm) diameter diameter (mm) R410A flaring Conventional flaring tool (mm) tool, clutch type...

  • Page 146

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13.3.3. Storing and Managing Piping Materials 1. Types of piping and their storage The following is a general classification of the refrigerant pipe materials used for ACs. Because the gas pressure of R410A is approximately 1.6 times as high as that of R22, copper pipes with the thickness shown in Table 10, and with minimal impurities must be used.

  • Page 147: Installation, Transferring, Servicing

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13.4. INSTALLATION, TRANSFERRING, SERVICING 13.4.1. Inspecting Gas Leaks with a Vacuum Pump for New Installations (Using New Refrigerant Piping) 1. From the viewpoint of protecting the global environment, please do not release refrigerant into the atmosphere.

  • Page 148

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13.4.2. Transferring (Using New Refrigerant Piping) 1. Removing the unit a. Collecting the refrigerant into the outdoor unit by pumping down The refrigerant can be collected into the outdoor unit (pumping down) by pressing the TEST RUN button, even when the temperature of the room is low.

  • Page 149

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW vacuum pump. Wait for 1-2 minutes, then check to make sure that the needle of the Low pressure gauge has not returned. See Fig. 13 for the remaining steps of this procedure. 5. Set the refrigerant cylinder onto the electronic scale, then connect the hose the cylinder and to the connection port for the electronic scale.

  • Page 150

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 13.4.6. Brazing As brazing requires sophisticated techniques and experiences, it must be performed by a qualified person. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to proceed with brazing while letting dry nitrogen gas (N ) flow.

  • Page 151: Disassembly Of Parts

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 14 Disassembly of Parts 14.1. Wall Type 14.1.1. Indoor Control Board Removal Procedures 1. Remove the Front Grille. Fig. 1 2. Remove the Indoor Control Board. Fig. 4 Fig. 2 Fig. 3 Fig. 5...

  • Page 152

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 14.1.2. Electronic Controller Removal Procedures 1. Remove Main Electronic Controller Fig. 7 Fig. 6 14.1.3. Cross Flow Fan and Fan Motor Removal Procedures 1. Remove Cross Flow Fan and Fan Motor. Fig. 8 Fig. 10...

  • Page 153: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 14.2. Duct Type 14.2.1. Detaching the Upper and Inner Casing 14.2.2. Detaching the Control Board...

  • Page 154

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 14.2.3. Detaching the Fan 14.2.4. Detaching the Fan Motor and Drain Motor...

  • Page 155: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 14.3. Ceiling Floor Type 14.3.1. Front Grille Removal Procedure 2. Remove Fan Motor by: 1. Remove the Intake Grille and Air Filter from the Front Grille • • • • Releasing the connector Fan Motor (Fig. 5).

  • Page 156: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 14.4. Mini-Cassette Type 14.4.1. Disassembly of Parts 1. Open the Intake Grille from the Front Grille by moving the 3. Release the following parts (Fig. 3): catchers to center (Fig. 1). • • • • CN-STM1(WHT) connector •...

  • Page 157

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 5. Remove the Front Grille by removing the screw A and 7. Remove the Turbo Fan by removing the bolt (Fig. 7). screw B, C & D half way open (Fig. 5). Fig. 7 Fig. 5 8.

  • Page 158: Technical Data

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 15 Technical Data 15.1. Operation Characteristics...

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  • Page 164: Electronic Circuit Diagram

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16 Electronic Circuit Diagram 16.1. Wall Type...

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    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.1.1. Circuit Diagram (Remote Control)

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    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.1.2. Printed Circuit Board (Indoor Unit)

  • Page 171: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.2. Duct Type 16.2.1. Circuit Diagram (Indoor Units: CS-ME10DD3EG / CS-E15DD3EW / CS-E18DD3EW)

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    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.2.2. Printed Circuit Board (Indoor Unit)

  • Page 173: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.3. Ceiling Floor Type 16.3.1. Circuit Diagram (Indoor Units: CS-ME10DTEG / CS-E15DTEW / CS-E18DTEW)

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    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.3.2. Circuit Diagram (Remote Control)

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    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.3.3. Printed Circuit Board (Indoor Unit)

  • Page 179: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.4. Mini-Cassette Type 16.4.1. Circuit Diagram (Indoor Units: CS-E15DB4EW / CS-E18DB4EW)

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  • Page 184

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.4.2. Circuit Diagram (Remote Control)

  • Page 185

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 16.4.3. Printed Circuit Board (Indoor Unit)

  • Page 186: Exploded View And Replacement Parts List

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17 Exploded View and Replacement Parts List 17.1. Wall Type 17.1.1. Exploded View (Indoor Unit)

  • Page 187

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.1.2. Replacement Parts List (Indoor Unit) Models: CS-ME7DKEG / CS-ME7DKRG / CS-ME7DKDG / CS-E9DKEW / CS-ME9DKRW / CS-E9DKDW / CS-E12DKEW /CS-E12DKRW / CS-E12DKDW REF. NO. PART NAME & DESCRIPTION QTY. CS-ME7DKEG CS-E9DKEW CS-E12DKEW REMARKS CS-ME7DKRG...

  • Page 188

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.1.3. Exploded View (Indoor Unit)

  • Page 189

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.1.4. Replacement Parts List (Indoor Unit) Models: CS-E15DKEW / CS-E15DKRW / CS-E15DKDW REF. NO. PART NAME & DESCRIPTION QTY. CS-E15DKEW CS-E15DKRW CS-E15DKDW REMARKS ← ← ← ← ← ← ← ← CHASSY COMPLETE CWD50C1431 ← ← ← ←...

  • Page 190

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.1.5. Exploded View (Indoor Unit)

  • Page 191

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.1.6. Replacement Parts List (Indoor Unit) Models: CS-E18DKEW / CS-E18DKRW / CS-E18DKDW REF. NO. PART NAME & DESCRIPTION QTY. CS-E18DKEW CS-E18DKRW CS-E18DKDW REMARKS ← ← ← ← ← ← ← ← CHASSY COMPLETE CWD50C1382 ← ← ← ←...

  • Page 192: Duct Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.2. Duct Type 17.2.1. Exploded View (Indoor Unit)

  • Page 193

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.2.2. Replacement Parts List (Indoor Unit) Models: CS-ME10DD3EG / CS-E15DD3EW / CS-E18DD3EW REF NO. PART NAME & DESCRIPTION QTY. CS-ME10DD3EG CS-E15DD3EW CS-E18DD3EW REMARKS ← ← ← ← ← ← ← ← FLOAT SWITCH CWA12161 ← ← ← ←...

  • Page 194: Ceiling Floor Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.3. Ceiling Floor Type 17.3.1. Exploded View (Indoor Unit)

  • Page 195

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.3.2. Replacement Parts List (Indoor Unit) Models: CS-ME10DTEG / CS-E15DTEW / CS-E18DTEW REF NO. PART NAME & DESCRIPTION QTY. CS-ME10DTEG CS-E15DTEW CS-E18DTEW REMARKS ← ← ← ← ← ← ← ← CHASSY COMPLETE CWD50C1419 ← ← ← ←...

  • Page 196: Mini-cassette Type

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.4. Mini-Cassette Type 17.4.1. Exploded View (Indoor Unit)

  • Page 197

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW...

  • Page 198

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.4.2. Replacement Parts List (Indoor Unit) Models: CS-E15DB4EW / CS-E18DB4EW REF NO. PART NAME & DESCRIPTION QTY. CS-E15DB4EW CS-E18DB4EW REMARKS ← ← ← ← BASE PAN ASS’Y CWD52K1100 ← ← ← ← INNER POLYSTYRENE COMPLETE CWG07C1047 ←...

  • Page 199

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.4.3. Exploded View (Indoor Unit Front Grille)

  • Page 200

    CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW 17.4.4. Replacement Parts List (Indoor Unit Front Grille) Model: CZ-BT12DE (Front Grille Complete) REF NO. PART NAME & DESCRIPTION QTY. PART NO. REMARKS FRONT GRILLE - COMPLETE CWE11C3105 FRONE - FRONT GRILLE CO. CWE11C3353 A.S. MOTOR DC SINGLE 12V 250 OHM CWA981105 BRACKET - A.S.

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