Table of Contents
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TABLE OF CONTENTS
1 Safety Precautions----------------------------------------------- 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-C28HKF CU-C28HKF ------------------------------- 5
3 Features ------------------------------------------------------------- 7
4 Location of Controls and Components ------------------- 8
4.1. Product Overview------------------------------------------ 8
5 Dimensions--------------------------------------------------------- 9
5.1. Indoor Unit--------------------------------------------------- 9
5.2. Outdoor Unit -----------------------------------------------10
6 Refrigeration Cycle Diagram --------------------------------11
7 Block Diagram----------------------------------------------------12
8 Wiring Connection Diagram ---------------------------------13
9 Electronic Circuit Diagram -----------------------------------14
10 Printed Circuit Board-------------------------------------------15
10.1. Main Printed Circuit Board -----------------------------15
10.2. Power Printed Circuit Board ---------------------------17
10.3. Indicator-----------------------------------------------------18
11 Installation Instruction-----------------------------------------19
Indoor Unit Outdoor Unit
CS-C28HKF CU-C28HKF
PAGE
11.1. Select the Best Location ------------------------------- 19
11.2. Indoor Unit ------------------------------------------------- 20
11.3. Outdoor Unit----------------------------------------------- 22
12 Operation Control----------------------------------------------- 25
12.1. Cooling Operation---------------------------------------- 25
12.2. Soft Dry Operation --------------------------------------- 26
12.3. Automatic Operation ------------------------------------ 27
12.4. Indoor Fan Speed Control ----------------------------- 28
12.5. Outdoor Fan Speed Control --------------------------- 29
12.6. Vertical Airflow Direction Control --------------------- 29
12.7. Horizontal Airflow Direction Control ----------------- 30
12.8. Powerful Operation -------------------------------------- 30
12.9. Quiet Operation------------------------------------------- 31
12.10. Timer Control---------------------------------------------- 32
12.11. Random Auto Restart Control ------------------------ 32
12.12. Remote Control Signal Receiving Sound ---------- 32
12.13. Patrol Operation ------------------------------------------ 33
12.14. e-ion Operation ------------------------------------------- 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. MAC0712071C3
Air Conditioner
PAGE
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Summary of Contents for Panasonic CS-C28HKF
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Page 1: Table Of Contents
12.12. Remote Control Signal Receiving Sound ---------- 32 10.3. Indicator-----------------------------------------------------18 12.13. Patrol Operation ------------------------------------------ 33 11 Installation Instruction-----------------------------------------19 12.14. e-ion Operation ------------------------------------------- 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 13 Protection Control ---------------------------------------------- 39 13.1. Restart Control (Time Delay Safety Control) ------ 39 13.2. 7 Minutes Time Save Control ------------------------- 39 13.3. 60 Seconds Forced Operation ------------------------ 39 13.4. Starting Current Control -------------------------------- 39 13.5. Freeze Prevention Control ----------------------------- 39 13.6.
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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-C28HKF CU-C28HKF Item Unit Indoor unit Outdoor unit Performance Test Condition NEW JIS Capacity 8.20 - 8.20 BTU/h 28000 - 28000 *kJ/h 29520 - 29520 2.97 - 2.81 BTU/hW 10.14 - 9.59 Noise Level dB (A) High: 49; Low: 44... - Page 6 Item Unit Power Source (Phase, Voltage, Cycle) ø Single Single Input power 2.76k 2.92k Starting Current 83.0 83.0 Maximum Current 20.5 20.5 Running Current Cooling 13.1 13.8 Power Factor Cooling Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. Power Cord Number of core Length...
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Page 7: 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 8: 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 9: Dimensions
5 Dimensions 5.1. Indoor Unit... -
Page 10: Outdoor Unit
5.2. Outdoor Unit... -
Page 11: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram... -
Page 12: Block Diagram
7 Block Diagram... -
Page 13: Wiring Connection Diagram
8 Wiring Connection Diagram... -
Page 14: Electronic Circuit Diagram
9 Electronic Circuit Diagram... -
Page 15: Printed Circuit Board
10 Printed Circuit Board 10.1. Main Printed Circuit Board... -
Page 17: Power Printed Circuit Board
10.2. Power Printed Circuit Board... -
Page 18: Indicator
10.3. Indicator TOP VIEW BOTTOM VIEW... -
Page 19: Installation Instruction
11 Installation Instruction 11.1. Select the Best Location 11.1.3. Indoor/Outdoor Unit Installation Diagram 11.1.1. Indoor Unit • There should not be any heat source or steam near the unit. • There should not be any obstacles blocking the air circulation. •... -
Page 20: Indoor Unit
11.2. Indoor Unit 11.2.1. How to Fix Installation Plate 11.2.2. To Drill a Hole in the Wall and Install The mounting wall is strong and solid enough to prevent it from a Sleeve of Piping the vibration. 1. Insert the piping sleeve to the hole. 2. - Page 21 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
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Page 22: Outdoor Unit
11.2.4. Connect the Cable to the Indoor Unit 1. The inside and outside connecting cable can be con- nected without removing the front grille. 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 23 11.3.2. Connecting the Piping Connecting The Piping To Indoor Unit Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe. (In case of using long piping) Connect the piping • Align the center of piping and sufficiently tighten the flare nut with fingers.
- Page 24 <For the left pipings> 1) Measure the pressure. 2) Keep it for 5-10 minutes Ensure if the pressure indicated on the gauge is as same as that of measured at first time. 2) Air purging The air remaining in the Refrigeration cycle which contains moisture may cause malfunction on the Compressor.
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Page 25: 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 26: 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 27: 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 28: 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 Fan Speed (rpm) COOL/DRY CS-C28HKF S Hi 1720 1670 1580 1500 1410 1200 S Lo Q Hi 1570 Q Me... -
Page 29: 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 30: Horizontal Airflow Direction Control
12.6.2. Manual Control • When the vertical airflow direction is set to Manual using the remote control, the automatic airflow is released and the airflow direction louver move up and down in the range shown in the diagram. • The louver can be adjusted by pressing the button to the desired louver position. -
Page 31: 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 32: 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 33: 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 34 • 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 35 • 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 36: 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 37 • 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 38 • 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 39: 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 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 40: 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 or less for continuous 2 minutes, compressor will stop and restart automatically. •... -
Page 41: 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 42: 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 43: 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 44 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 operating Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression...
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Page 45: 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 this caution may result in electric shocks. 16.1. -
Page 50: Technical Data
17 Technical Data 17.1. Thermostat Characteristics [1] Characteristics of thermostat... -
Page 51: Operation Characteristics
17.2. Operation Characteristics 17.2.1. CS-C28HKF CU-C28HKF... -
Page 53: Fan Performance
17.3. Fan Performance CS-C28HKF CU-C28HKF Fan Speed 1670 1580 1410 Indoor Air Flow 18.4 17.4 15.5 /min /min Fan Speed 860 - 890 Outdoor Air Flow 48.5 - 50.5 /min 1710 - 1780 /min 17.3.1. CS-C28HKF Indoor Intake Ambient Outdoor Intake Air Ambient Temperature (D.B./ C) Temperature ( C) 8.5403... -
Page 55: 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 56 REF. NO. PART NAME & DESCRIPTION QTY. CS-C28HKF CHASSY COMPLETE CWD50C1520 FAN MOTOR,DC 30W 3PH ARW51H8P30AC CROSS FLOW FAN COMPLETE CWH02C1010 SCREW - CROSS FLOW FAN CWH551146 BEARING ASS’Y CWH64K007 EVAPORATOR CO. CWB30C1576 FLARE NUT (1/4”) CWT251026 FLARE NUT (1/2”)(5/8”)
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Page 57: Outdoor Unit
18.2. Outdoor 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 58 Ref. No. PART NAME & DESCRIPTION QTY. CU-C28HKF CHASSY ASS’Y CWD50K2100 COMPRESSOR 2JD514E3AA03 ANTI - VIBRATION BUSHING CWH50055 NUT - COMPRESSOR MOUNT CWH561049 PACKING - COMP. MOUNT CWB81043 CONDENSER CWB32C2227 SOUND PROOF BOARD CWH151056 FAN MOTOR BRACKET CWD541055 SCREW - FAN MOTOR BRACKET CWH551198 FAN MOTOR (AC 80W SINGLE) CWA951606...
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