Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-C7HKD CU-C7HKD---------------------------------- 5
2.2. CS-C9HKD CU-C9HKD---------------------------------- 7
2.3. CS-C12HKD CU-C12HKD ------------------------------ 9
3 Features ------------------------------------------------------------11
4 Location of Controls and Components ------------------12
4.1. Product Overview-----------------------------------------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
8 Wiring Connection Diagram ---------------------------------17
CS-C12HK CU-C12HK----------------------------------17
9 Electronic Circuit Diagram -----------------------------------18
10 Printed Circuit Board-------------------------------------------19
Indoor Unit
CS-C7HKD
CS-C9HKD
CS-C12HKD CU-C12HKD
PAGE
10.1. Indoor Unit ------------------------------------------------- 19
11 Installation Instruction ---------------------------------------- 23
11.1. Select The Best Location ------------------------------ 23
11.2. Indoor Unit ------------------------------------------------- 24
11.3. Outdoor Unit----------------------------------------------- 26
12 Operation Control----------------------------------------------- 29
12.1. Cooling Operation---------------------------------------- 29
12.2. Soft Dry Operation --------------------------------------- 30
12.3. Automatic Operation ------------------------------------ 31
12.4. Indoor Fan Speed Control ----------------------------- 32
12.5. Outdoor Fan Speed Control --------------------------- 33
12.6. Vertical Airflow Direction Control --------------------- 34
12.7. Horizontal Airflow Direction Control ----------------- 34
12.8. Powerful Operation -------------------------------------- 34
12.9. Quiet Operation------------------------------------------- 35
12.10. Timer Control---------------------------------------------- 36
12.11. Random Auto Restart Control ------------------------ 36
12.12. Remote Control Signal Receiving Sound ---------- 36
© 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0711059C8
Air Conditioner
Outdoor Unit
CU-C7HKD
CU-C9HKD
PAGE
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Summary of Contents for Panasonic CS-C7HKD
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Page 1: Table Of Contents
12.11. Random Auto Restart Control ------------------------ 36 10 Printed Circuit Board-------------------------------------------19 12.12. Remote Control Signal Receiving Sound ---------- 36 © 2007 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. - Page 2 12.13. Patrol Operation ------------------------------------------ 37 12.14. e-ion Operation ------------------------------------------- 40 13 Protection Operation------------------------------------------- 43 13.1. Restart Control (Time Delay Safety Control) ------ 43 13.2. 7 Minutes Time Save Control ------------------------- 43 13.3. 60 Seconds Forced Operation ------------------------ 43 13.4. Starting current Control --------------------------------- 43 13.5.
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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 1. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. 2. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture.
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Page 5: Specifications
2 Specifications 2.1. CS-C7HKD CU-C7HKD Item Unit Indoor unit Outdoor unit Performance Test Condition Capacity 2.00 - 2.02 BTU/h 6820 - 6890 kcal/h 1720 - 1740 3.39 - 3.15 BTU/hW 11.6 - 10.8 Noise Level dB (A) High: 33 Low: 26... - Page 6 Item Unit Power Source (Phase, Voltage, Cycle) ø Single Single Input power Starting Current 12.4 12.4 Running Current Cooling Maximum Current Power Factor Cooling Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Number of core 3 (1.5mm) Length...
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Page 7: Cs-C9Hkd Cu-C9Hkd
2.2. CS-C9HKD CU-C9HKD Item Unit Indoor unit Outdoor unit Performance Test Condition Capacity 2.60 - 2.65 BTU/h 8870 - 9040 kcal/h 2240 - 2280 3.25 - 3.17 BTU/hW 11.1 - 10.8 Noise Level dB (A) High: 36 Low: 26 High: 46 - 47 Power level dB High: 49 High: 61 - 62... - Page 8 Item Unit Power Source (Phase, Voltage, Cycle) ø Single Single Input power Starting Current Running Current Cooling Maximum Current Power Factor Cooling Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Number of core 3 (1.5mm) Length m (ft)
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Page 9: Cs-C12Hkd Cu-C12Hkd
2.3. CS-C12HKD CU-C12HKD Item Unit Indoor unit Outdoor unit Performance Test Condition Capacity 3.52 - 3.54 BTU/h 12000 - 12100 kcal/h 3030 - 3050 3.17 - 3.08 BTU/hW 10.8 - 10.5 Noise Level dB (A) High: 39 Low: 29 High: 48 - 49 Power level dB High: 52 High: 63 - 64... - Page 10 Item Unit Power Source (Phase, Voltage, Cycle) ø Single Single Input power 1.11 1.15 Starting Current Running Current Cooling Maximum Current Power Factor Cooling Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Number of core 3 (1.5mm) Length...
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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. Product Overview 4.1.1. Indoor Unit 4.1.2. Outdoor Unit 4.1.3. Remote Control... -
Page 13: Dimensions
5 Dimensions 5.1. Indoor Unit & Remote Control 5.1.1. CS-C7HK CS-C9HK CS-C12HK... -
Page 14: Outdoor Unit
5.2. Outdoor Unit 5.2.1. CU-C7HK CU-C9HK CU-C12HK... -
Page 15: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram... -
Page 16: Block Diagram
7 Block Diagram... -
Page 17: Wiring Connection Diagram
8 Wiring Connection Diagram 8.1. CS-C7HK CU-C7HK / CS-C9HK CU-C9HK / CS-C12HK CU-C12HK Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CS-C7HK MODEL CU-C7HK CU-C9HK CS-C9HK CONNECTION 2RS122D5BG02 2PS156D3DA02 5.193 Ω 4.228 Ω CS-C12HK C - R 5.557 Ω... -
Page 18: Electronic Circuit Diagram
9 Electronic Circuit Diagram... -
Page 19: Printed Circuit Board
10 Printed Circuit Board 10.1. Indoor Unit 10.1.1. Main Printed Circuit Board TOP VIEW... - Page 20 BOTTOM VIEW...
- Page 21 10.1.2. Power Printed Circuit Board TOP VIEW BOTTOM VIEW...
- Page 22 10.1.3. Indicator TOP VIEW BOTTOM VIEW...
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Page 23: Installation Instruction
11 Installation Instruction 11.1. Select The Best Location 11.1.1. Indoor Unit 11.1.3. Indoor/Outdoor Unit Installation • There should not be any heat source or steam near the unit. Diagram • There should not be any obstacles blocking the air circulation. •... -
Page 24: Indoor Unit
11.2. Indoor Unit 11.2.2. To Drill A Hole In The Wall And Install A Sleeve Of Piping 11.2.1. How To Fix Installation Plate 1. Insert the piping sleeve to the hole. The mounting wall is strong and solid enough to prevent it from 2. - Page 25 11.2.3.3. For the embedded piping Insert the connecting cable Install the Indoor unit Secure the Indoor Unit Pull out the piping and drain hose How to keep the cover (This can be used for left rear piping & left bottom piping also.)
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Page 26: Outdoor Unit
• How to pull the piping and drain hose out, in case of the embedded piping. 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). -
Page 27: Evacuation Of The Equipment
11.3.2.3. Cutting And Flaring The Piping 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3. -
Page 28: Pipe Insulation
CAUTION • If gauge needle does not move from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa), in step 3 above take the following measure: • If the leak stops when the piping connections are tightened further, continue working from step 3. •... -
Page 29: Operation Control
12 Operation Control 12.1. 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 30: Soft Dry Operation
12.2. 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 31: Automatic Operation
12.3. Automatic Operation • Automatic operation can be set using remote control. • This operation starts to operate with indoor fan at SLo speed for 20 seconds to judge the intake air temperature. • After judged the temperature, the operation mode is determined by referring to the below standard. •... -
Page 32: Indoor Fan Speed Control
12.4. Indoor Fan Speed Control • Indoor Fan Speed can be set using remote control. 12.4.1. Fan Speed Rotation Chart Speed Fan Speed (rpm) CS-C7HKD CS-C9HKD CS-C12HKD S Hi 1240 1320 1320 1150 1250 1270 1000 1040 1060 H Lo... -
Page 33: Outdoor Fan Speed Control
• Auto Fan Speed during cooling operation: 1. Indoor fan will rotate alternately between off and on as shown in below diagram. 2. At the beginning of each compressor start operation, indoor fan will increase fan speed gradually for deodorizing purpose. 3. -
Page 34: Vertical Airflow Direction Control
12.6. Vertical Airflow Direction Control 12.6.1. Auto Control • When the vertical airflow direction is set to Auto using the remote control, the louver swings up and down as shown in the diagram. • When stop operation using the remote control, the discharge vent is reset, and stop at the closing position. •... -
Page 35: Quiet Operation
12.9. Quiet Operation (For Cooling Operation or cooling region of Soft Dry Operation) • To provide quiet cooling operation condition. • Once the Quiet Mode is set at the remote control, the Quiet Mode LED illuminated. The sound level will reduce around 2 dB(A) for Lo fan speed or 3 dB(A) for Hi/Me fan speed against the present operation sound level. -
Page 36: Timer Control
12.10. Timer Control 12.10.1. 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 37: Patrol Operation
12.13. Patrol Operation • To monitor air dirtiness level by using Patrol sensor and to maintain air freshness by activates e-ion operation. • Patrol operation start 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 38 • 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 39 • Airflow direction (Horizontal, Vertical) Control - During any operation mode combines with Patrol operation, airflow direction follows respective operation mode. - During Patrol individual operation if e-ion starts, only Auto Air Swing is allowed. Even if “Air Swing” button is pressed, no signal is sent to air conditioner, and no change on LCD display.
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Page 40: E-Ion Operation
12.14. e-ion Operation • This operation provides clean air by producing negative ions to attract dust captured at the positively charged 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 41 • Airflow direction control - During any operation mode combines with e-ion operation, airflow direction follows respective operation mode. - During e-ion individual operation, only Auto Air Swing is allowed. Even if Air Swing button is pressed, no signal is sent to air conditioner, and no change on LCD display.
- Page 42 • Error Detection Control When e-ion indicator blink, it indicates error listed below: 1. e-ion AIR PURIFYING SYSTEM PCB main connector open: • Judgment Method - During e-ion operation (include during Patrol operation), e-ion AIR PURIFYING SYSTEM main connector to PCB is opened.
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Page 43: Protection Operation
13 Protection Operation 13.1. Restart Control (Time Delay Safety Control) • When the thermo-off temperature (temperature which compressor stops to operate) is reached during:- - Cooling 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 44: Freeze Preventive Control
13.5. Freeze Preventive Control • To protect indoor heat exchanger from freezing and to prevent higher volume of refrigerant in liquid form return to compressor. • This control will activate when the temperature of indoor heat exchanger falls below 2°C continuously for more than 4 minutes and compressor turn off. -
Page 45: Dew Prevention Control
13.7. Dew Prevention control • To prevent dew formation at indoor unit discharge area. • This control start if:- - Cooling mode or Quiet mode is activated. - Remote Control setting temperature is less than 25°C. - Fan speed is at CLo or QLo. - Room temperature is constant (±1°C) for 30 minutes. -
Page 46: 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 47: 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 48: 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 49: Diagnosis Methods Of A Malfunction Of A Compressor
15.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression... -
Page 50: 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 52: Indoor Fan Motor And Cross Flow Fan Removal Procedures
16.2. Indoor Fan Motor and Cross Flow Fan Removal Procedures... -
Page 54: Technical Data
17 Technical Data 17.1. Thermostat Characteristics Cooling Soft Dry... -
Page 55: Operation Characteristics
17.2. Operation Characteristics 17.2.1. CS-C7HK CU-C7HK... - Page 57 17.2.2. CS-C9HK CU-C9HK...
- Page 59 17.2.3. CS-C12HK CU-C12HK...
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Page 61: 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 62 REF. NO. PART NAME & DESCRIPTION QTY. CS-C7HKD CS-C9HKD CS-C12HKD ← ← CHASSY COMPLETE CWD50C1572 ← ← FAN MOTOR, AC 15W SINGLE CWA921324 ← ← CROSS FLOW FAN COMPLETE CWH02C1045 ← ← BEARING ASS’Y CWH64K007 ← ← SCREW - CROSS FLOW FAN CWH551146 ←...
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Page 63: Outdoor Unit
18.2. Outdoor Unit 18.2.1. CU-C7HK CU-C9HK CU-C12HK 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 64 REF. NO. PART NAME & DESCRIPTION QTY. CU-C7HKD CU-C9HKD CU-C12HKD REMARKS ← ← CHASSY ASS’Y CWD50K2107 ← SOUND PROOF MATERIAL CWG302254 CWG302422 ← FAN MOTOR BRACKET CWD541069 CWD541074 ← ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR CWA951378J CWA951534 ←...