Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 2
2 Specifications ----------------------------------------------------- 5
2.1. CS-A7HKD CU-A7HKD --------------------------------- 5
2.2. CS-A9HKD CU-A9HKD --------------------------------- 7
2.3. CS-A12HKD CU-A12HKD------------------------------ 9
3 Features ------------------------------------------------------------11
4 Location of Controls and Components ------------------12
4.1. Indoor Unit--------------------------------------------------12
4.2. Outdoor Unit -----------------------------------------------12
Indoor Unit Outdoor Unit
CS-A7HKD CU-A7HKD
CS-A9HKD CU-A9HKD
CS-A12HKD CU-A12HKD
PAGE
4.3. Outdoor Unit----------------------------------------------- 12
5 Dimensions ------------------------------------------------------- 13
5.1. Indoor Unit & Remote Control ------------------------ 13
5.2. Outdoor Unit----------------------------------------------- 14
6 Refrigeration Cycle Diagram -------------------------------- 15
7 Block Diagram --------------------------------------------------- 16
A9HKD------------------------------------------------------ 16
7.2. CS-A12HKD CU-A12HKD ---------------------------- 17
© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0710038C8
Air Conditioner
PAGE
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Summary of Contents for Panasonic CS-A7HKD
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Page 1: Table Of Contents
4 Location of Controls and Components ------------------12 7.1. CS-A7HKD CU-A7HKDCS-A9HKD 4.1. Indoor Unit--------------------------------------------------12 A9HKD------------------------------------------------------ 16 4.2. Outdoor Unit -----------------------------------------------12 7.2. CS-A12HKD CU-A12HKD ---------------------------- 17 © 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. -
Page 2: Safety Precautions
8 Wiring Connection Diagram --------------------------------- 18 13.1. Restart Control (Time Delay Safety Control) ----- 47 8.1. CS-A7HKD CU-A7HKDCS-A9HKD 13.2. 7 Minutes Time Save Control------------------------- 47 A9HKD ------------------------------------------------------ 18 13.3. 60 Seconds Forced Operation ----------------------- 47 8.2. CS-A12HKD CU-A12HKD ---------------------------- 19 13.4. - Page 3 1. Engage dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage, electrical shock or fire. 2. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fire. 3.
- Page 4 7. Power supply connection to the air conditioner. Connect the power supply cord of the air conditioner to the mains using one of the following methods. Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency. In some countries, permanent connection of this room air conditioner to the power supply is prohibited.
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Page 5: Specifications
2 Specifications 2.1. CS-A7HKD CU-A7HKD Item Unit Indoor unit Outdoor unit Performance Test Condition NEW JIS 2.00 - 2.00 Capacity BTU/h 6820 - 6820 kcal/h 1720 - 1720 3.28 - 3.17 BTU/hW 11.2 - 10.8 dB (A) High: 33 Low: 26... - Page 6 Item Unit Indoor unit Outdoor unit Type Cross-flow Fan Propeller Fan Material ASG20K1 PP Resin Motor Type Induction (4-poles) Induction (6-poles) Input power 42 - 47 56 - 63 Output power Lo (Cool / Heat) 780 / 840 — Me (Cool / Heat) 920 / 920 —...
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Page 7: Cs-A9Hkd Cu-A9Hkd
2.2. CS-A9HKD CU-A9HKD Item Unit Indoor unit Outdoor unit Performance Test Condition NEW JIS 2.65 - 2.65 Capacity BTU/h 9040 - 9040 kcal/h 2280 - 2280 3.19 - 3.08 BTU/hW 10.9 - 10.5 dB (A) High: 36 Low: 26 High: 48 - 49 Noise Level Power level dB High: 49... - Page 8 Item Unit Indoor unit Outdoor unit Fin material Aluminium (Pre Coat) Aluminium (Blue Coat) Fin Type Slit Fin Corrugate Fin Heat Exchanger Row × Stage × FPI 2 × 15 × 21 1 × 19 × 17 Size (W × H × L) 610 ×...
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Page 9: Cs-A12Hkd Cu-A12Hkd
2.3. CS-A12HKD CU-A12HKD Item Unit Indoor unit Outdoor unit Performance Test Condition NEW JIS 3.52 - 3.54 Capacity BTU/h 12000 - 12100 kcal/h 3030 - 3040 3.26 - 3.16 BTU/hW 11.1 - 10.8 dB (A) High: 39 Low: 29 High: 48 - 49 Noise Level Power level dB High: 52... - Page 10 Item Unit Indoor unit Outdoor unit Fin material Aluminium (Pre Coat) Aluminium (Blue Coat) Fin Type Slit Fin Corrugate Fin Heat Exchanger Row × Stage × FPI 2 × 15 × 21 2 × 24 × 17 Size (W × H × L) 610 ×...
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Page 11: Features
3 Features • 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 - Patrol Sensor color changes to indicate the dirt level in the air •... -
Page 12: Location Of Controls And Components
4 Location of Controls and Components 4.1. Indoor Unit 4.2. Outdoor Unit 4.3. Outdoor Unit... -
Page 13: Dimensions
5 Dimensions 5.1. Indoor Unit & Remote Control 5.1.1. CS-A7HKD CS-A9HKD CS-A12HKD... -
Page 14: Outdoor Unit
5.2. Outdoor Unit 5.2.1. CU-A7HKD CU-A9HKD 5.2.2. CU-A12HKD... -
Page 15: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram... -
Page 16: Block Diagram
7 Block Diagram 7.1. CS-A7HKD CU-A7HKD CS-A9HKD CU-A9HKD... -
Page 17: Cs-A12Hkd Cu-A12Hkd
7.2. CS-A12HKD CU-A12HKD... -
Page 18: Wiring Connection Diagram
8 Wiring Connection Diagram 8.1. CS-A7HKD CU-A7HKD CS-A9HKD CU-A9HKD Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CS-A7HK MODEL CU-A7HK CU-A9HK CS-A9HK CONNECTION 2RS122D5BG02 2PS156D3BB02 CONNECTION CWA921373 5.193 Ω 3.501 Ω C - R 390.0 Ω BLUE-YELLOW 5.557 Ω... -
Page 19: Cs-A12Hkd Cu-A12Hkd
8.2. CS-A12HKD CU-A12HKD Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CS-A12HK MODEL CU-A12HK CONNECTION CWA921373 CONNECTION 2PS206D2BA02 390.0 Ω 3.207 Ω BLUE-YELLOW C - R 394.0 Ω 3.256 Ω YELLOW-RED C - S Note: Resistance at 25°C of ambient temperature. Note: Resistance at 20°C of ambient temperature. -
Page 20: Electronic Circuit Diagram
9 Electronic Circuit Diagram... -
Page 21: Printed Circuit Board
10 Printed Circuit Board 10.1. Main Printed Circuit Board... -
Page 22: Power Printed Circuit Board
10.2. Power Printed Circuit Board TOP VIEW BOTTOM VIEW... -
Page 23: Indicator Printed Circuit Board
10.3. Indicator Printed Circuit Board 10.4. Patrol Printed Circuit Board... -
Page 24: Installation Instruction
11 Installation Instruction 11.1. Select The Best Location 11.2. Indoor/Outdoor Unit INDOOR UNIT Installation Diagram • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circulation. • A place where air circulation in the room is good. •... -
Page 25: Indoor Unit
11.3. Indoor Unit 11.3.1. HOW TO FIX INSTALLATION PLATE 11.3.2. TO DRILL A HOLE IN THE WALL The mounting wall is strong and solid enough to prevent it from INSTALL SLEEVE the vibration. PIPING 1. Insert the piping sleeve to the hole. 2. - Page 26 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
- Page 27 11.3.4. 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 3 (C7HKD, C9HKD, C12HKD) or 5 (A7HKD, A9HKD, A12HKD) x 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
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Page 28: Outdoor Unit
11.4. Outdoor Unit 11.4.1. 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. - Page 29 11.4.3. 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 30 4. Attach the control board cover to the original position with the screw. 11.4.5. PIPE INSULATION 1. Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. 2.
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Page 31: Operation Control
12 Operation Control 12.1. Heating Operation • Heating operation can be set using remote control. • This operation is applied to warm the room temperature reaches the setting temperature set on the remote control. • The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16°C to 30°C. -
Page 32: Cooling Operation
12.2. Cooling Operation • Cooling operation can be set using remote control. • This operation is applied to cool down the room temperature reaches the setting temperature set on the remote control. • The remote control setting temperature, which takes the reading of intake air temperature sensor, can be adjusted from 16°C to 30°C. -
Page 33: Soft Dry Operation
12.3. Soft Dry Operation • Soft Dry operation can be set using remote control. • Soft Dry operation is applied to dehumidify and to perform a gentle cooling to the room. • This operation starts when the intake air temperature sensor reaches the setting temperature on the remote control. •... -
Page 34: Automatic Operation
12.4. Automatic Operation • Automatic operation can be set using remote control. • This operation starts to operate with indoor fan at SLo speed for 25 seconds to judge the intake air temperature. • After judged the temperature, the operation mode is determined by referring to the below standard. •... -
Page 35: Indoor Fan Speed Control
• The operation mode judging temperature and standard setting temperature can be increased by 2°C permanently, by open the circuit of JX03 at indoor electronic controller. 12.5. Indoor Fan Speed Control • Indoor Fan Speed can be set using remote control. 12.5.1. Fan Speed Rotation Chart Fan Speed (rpm) CS-A7HKD CS-A9HKD CS-A12HKD S Hi 1200 1310... - Page 36 12.5.2. Automatic Fan Speed Control • When set to Auto Fan Speed, the fan speed is adjusted between maximum and minimum setting as shown in the table. - Fan speed rotates in the range of Hi, Me and Lo-. - Deodorizing Control will be activated. •...
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Page 37: Outdoor Fan Speed Control
• Auto Fan Speed during Soft Dry operation: 1. Indoor fan will rotate alternately between off and Lo-. 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose. 3. When compressor at turn off condition for 6 minutes, indoor fan will start fan speed at Lo- to circulate the air in the room. This is to obtain the actual reading of intake air temperature. -
Page 38: Horizontal Airflow Direction Control
(Heating Operation condition) Heating Operation • When the piping air temperature reaches 38°C, the louver is changed from upper to lower limit. When the piping air temperature falls to 35°C, the louver is changed from lower to upper limit. 12.7.2. Manual Control •... -
Page 39: Quiet Operation
• The Fan Speed will shift as shown below: • Vertical Airflow Direction:- - In “Manual” setting, the vane will automatically shift down 5° lower than previous setting. - In “Auto” setting, the vane will automatically shift between upper and lower limit depending on the intake air temperature as Heating Mode, Airflow Direction Auto-Control. - Page 40 - RPM control during Hi & Me cool • Auto Fan Speed:- • Quiet operation stops when:- - Quiet button is pressed again. - Stopped by OFF/ON operation button. - Timer OFF activates. - Operation mode button is changed. (Heating Operation condition) •...
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Page 41: Timer Control
• Quiet operation stops when:- - Quiet button is pressed again. - Powerful button is pressed. - Stopped by OFF/ON operation button. - Timer OFF activates. 12.11. Timer Control 12.11.1. ON Timer • When the ON Timer is set by using the remote control, the unit will start to operate slightly before the set time, so that the room will reach nearly to the set temperature by the set time. -
Page 42: Patrol Operation
12.14. Patrol Operation • To monitor air dirtiness level by using Patrol sensor and to maintain air freshness by activates e-ion operation • Patrol operation starts condition - When the unit operation is started with “OFF/ON” button. - When the unit stops, “Patrol” button is pressed, Patrol individual operation will start. - During cooling only operation, “Patrol”... - Page 43 • Patrol Sensor Control - First 2 minutes from Patrol function activates is stabilization time, during stabilization time, no air dirtiness level is monitored. The Air Dirtiness level is set to Clean, Patrol LED turns blue color. - After that, Patrol sensor starts to record the resistance value at fixed interval. Higher resistance value indicates cleaner air. - The air dirtiness level is monitored by comparing the current resistance value with maximum resistance value from time to time to get the Air Dirtiness Value.
- Page 44 • Indicator - When Patrol operation starts, Patrol LED is ON with 3 different colors: Patrol LED Air Quality Blue Clean Orange Moderate Dirty - Then e-ion operation starts based on dirtiness level, both Patrol LED and e-ion LED are ON. •...
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Page 45: E-Ion Operation
12.15. e-ion Operation • This operation provides clean air by producing negative ions to attract dust captured at the positively charged active e-ion filters. • 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. - Page 46 • Indicator - When e-ion operation starts, e-ion indicator ON. • Remote Control Receiving Sound → e-ion Operation - Normal Operation : Beep → Normal Operation - e-ion Operation : Beep → e-ion individual Operation - Stop : Beep → Stop - e-ion individual Operation : Long Beep •...
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Page 47: Protection Control
13 Protection Control 13.1. Restart Control (Time Delay Safety Control) • When the thermo-off temperature (temperature which compressor stops to operate) is reached during:- - Cooling/Heating operation - the compressor stops for 3 minutes (minimum) before resume operation. - Soft Dry operation - the compressor stops for 6 minutes (minimum) before resume operation. •... -
Page 48: Compressor Reverse Rotation Protection Control
13.6. Compressor Reverse Rotation Protection Control • If the compressor is operating continuously for 5 minutes or longer and the temperature difference between intake air and indoor heat exchanger is 2.5°C (cooling mode)/5°C (heating mode) or less for continuous 2 minutes, compressor will stop and restart automatically. -
Page 49: Compressor Overload Protection Control
13.9. Compressor Overload Protection Control Outdoor Fan Control • If the temperature of the indoor heat exchanger rises to 51°C, outdoor fan stops. The outdoor fan restarts when the indoor heat exchanger temperature falls to 49°C. Compressor high pressure protection •... -
Page 50: Deice Control
• After 30 sec. from compressor OFF (thermo OFF), Indoor fan will run at SSLo speed only. • Anti Cold Draft Control will stop when: - Intake temperature < set temperature. (Time Delay Safety Control 4 minutes waiting is valid) - 30 Minutes Time Save Control activates. - Page 51 Normal Deice Time Diagram Overload Deice Time Diagram...
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Page 52: 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 use to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. -
Page 53: Remote Control Button
14.3. Remote Control Button 14.3.1. SET BUTTON • To check current remote control transmission code. - Press for more than 10 seconds. • To change the air quality sensor sensitivity: - Press and release with pointer. - Press the Timer Decrement button to select sensitivity: 1. -
Page 54: 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 to the right. - Page 55 15.1.1. 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...
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Page 56: Disassembly And Assembly Instructions
16 Disassembly and Assembly Instructions WARNING • Cautions! When handling electronic controller, be careful of electrostatic discharge. • Be sure to return the wiring to its original position. • There are many high voltage components within the heat sink cover so never touch the interior during operation. Wait at least two minutes after power has been turned off. -
Page 58: Indoor Fan Motor And Cross Flow Fan Removal Procedures
16.2. Indoor Fan Motor and Cross Flow Fan Removal Procedures... -
Page 60: Technical Data
17 Technical Data 17.1. Thermostat Characteristics Cooling Soft Dry Heating... -
Page 61: Operation Characteristics
17.2. Operation Characteristics 17.2.1. CS-A7HKD CU-A7HKD... - Page 65 17.2.2. CS-A9HKD CU-A9HKD...
- Page 69 17.2.3. CS-A12HKD CU-A12HKD...
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Page 73: Exploded View And Replacement Parts List
18 Exploded View and Replacement Parts List 18.1. 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 74 REF. NO. PART NAME & DESCRIPTION QTY. CS-A7HKD CS-A9HKD CS-A12HKD ← ← CHASSY COMPLETE CWD50C1572 ← ← FAN MOTOR, AC 15W SINGLE CWA921373 ← ← CROSS FLOW FAN COMPLETE CWH02C1045 ← ← BEARING ASS’Y CWH64K007 ← ← SCREW - CROSS FLOW FAN CWH551146 ←...
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Page 75: Outdoor Unit
18.2. Outdoor Unit 18.2.1. CU-A7HKD CU-A9HKD 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 76 REF. NO. PART NAME & DESCRIPTION QTY. CU-A7HKD CU-A9HKD ← CHASSY ASS’Y CWD50K2112 ← SOUND PROOF MATERIAL CWG302255 ← FAN MOTOR BRACKET CWD541075 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR (AC 30W SINGLE) CWA951526 ← SCREW - FAN MOTOR MOUNT CWH55406J ←...
- Page 77 18.2.2. CU-A12HKD 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 78 REF. NO. PART NAME & DESCRIPTION QTY. CU-A12HKD CHASSY ASS’Y CWD50K2074 SOUND PROOF MATERIAL CWG302410 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR (AC 30W SINGLE) CWA951117J SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1006 NUT - PROPELLER FAN CWH56053J...