Table of Contents
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TABLE OF CONTENTS
1 Safety Precaution ------------------------------------------------ 3
2 Specifications ----------------------------------------------------- 5
2.1. CS-C28GKF CU-C28GKF------------------------------ 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 panel---------------------------------------------18
11 Installation Instruction-----------------------------------------19
CS-C28GKF CU-C28GKF
PAGE
11.1. Indoor Unit ------------------------------------------------- 20
11.2. Outdoor Unit----------------------------------------------- 22
12 Operation and Control ---------------------------------------- 25
12.1. Cooling Operation---------------------------------------- 25
12.2. Soft Dry Operation --------------------------------------- 26
12.3. Automatic Operation ------------------------------------ 27
12.4. Operation Control ---------------------------------------- 28
12.5. Indoor Fan Speed Control ----------------------------- 31
12.6. Outdoor Fan Speed Control --------------------------- 32
12.7. Vertical Airflow Direction Control --------------------- 32
12.8. Horizontal Airflow Direction Control ----------------- 33
12.9. Powerful Operation -------------------------------------- 33
12.10. Quiet Operation------------------------------------------- 34
12.11. Timer Control---------------------------------------------- 34
12.12. Random Auto Restart Control ------------------------ 35
12.13. Remote Control Signal Receiving Sound ---------- 35
12.14. Patrol Operation ------------------------------------------ 35
12.15. e-ion Operation ------------------------------------------- 38
© 2006 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0612073C3
Air Conditioner
PAGE
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Summary of Contents for Panasonic CS-C28GKF
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Page 1: Table Of Contents
12.13. Remote Control Signal Receiving Sound ---------- 35 10.3. Indicator panel---------------------------------------------18 12.14. Patrol Operation ------------------------------------------ 35 11 Installation Instruction-----------------------------------------19 12.15. e-ion Operation ------------------------------------------- 38 © 2006 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. - Page 2 13 Servicing Mode -------------------------------------------------- 41 13.1. Auto OFF/ON Button ------------------------------------ 41 13.2. Remote Control Button --------------------------------- 42 14 Troubleshooting Guide---------------------------------------- 43 14.1. Refrigeration Cycle System --------------------------- 43 15 Disassembly and Assembly Instructions --------------- 45 15.1. Indoor Electronic Controllers and Control Board Removal Procedures --------------------------- 45 15.2.
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Page 3: Safety Precaution
1 Safety Precaution • 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. The equipment must be earthed. It may cause electrical shock if grounding is not perfect. 2. 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. 3.
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Page 5: Specifications
2 Specifications 2.1. CS-C28GKF CU-C28GKF Item Unit Indoor unit Outdoor unit Performance Test Condition NEW JIS Capacity 8.20 - 8.20 BTU/h 28,000 - 28,000 *kJ/h 29,520 - 29,520 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 2.76 k 2.92 k Starting Current 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 3 (1.5mm)
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Page 7: Features
3 Features • High efficiency. • Compact design. • Wider range of horizontal discharge air. • Air Filter with function to reduce dust and smoke. • Automatic air swing by Remote Control for horizontal and vertical airflow. • Long installation piping up to 30 meter (C28GK). •... -
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 Panel
10.3. Indicator panel... -
Page 19: Installation Instruction
11 Installation Instruction Indoor/Outdoor Unit Installation Diagram SELECT THE BEST LOCATION INDOOR UNIT • 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 20: Indoor Unit
11.1. Indoor Unit 11.1.1. HOW TO FIX INSTALLATION PLATE 11.1.2. TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF The mounting wall is strong and solid enough to prevent it from the vibration. PIPING 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
11.1.4. CONNECT THE CABLE TO THE INDOOR UNIT 1. The inside and outside connecting cable can be • Secure the cable onto the control board with the holder connected without removing the front grille. (clamper). 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 ×... - Page 23 Connect The Piping to Outdoor Unit Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (located at valve) onto the copper pipe. Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table. Cutting and Flaring the Piping 1.
- Page 24 11.2.4. CONNECT THE CABLE TO THE OUTDOOR UNIT (For detail refer to Wiring Diagram at unit) 1. Remove the control board cover from the unit by loosen- ing the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
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Page 25: Operation And Control
12 Operation and 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: Operation Control
12.4. Operation Control 12.4.1. 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 29 12.4.5. 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 30 2. Norrowing Vertical Airflow Direction – During dew prevention control, Airflow Direction Auto-control angle change from 10° - 38° to 10° - 27° under Cooling and Soft Dry operation mode. – During dew prevention control, Airflow Direction Manual control angle change from 10°, 14°, 18°, 22°, 27° to 10°, 13°, 16°, 19°, 22°...
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Page 31: Indoor Fan Speed Control
12.5. Indoor Fan Speed Control • Indoor Fan Speed can be set using remote control. 12.5.1. Fan Speed Rotation Chart COOL/DRY CS-C28GKF S Hi 1760 1690 1580 1500 1410 1200 S Lo Q Hi 1590 Q Me 1480 Q Lo 1310 12.5.2. -
Page 32: 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 33: Horizontal Airflow Direction Control
12.7.2. 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 34: Quiet Operation
12.10. Quiet Operation (For Cooling Operation or cooling region of Soft Dry Operation) • The Quiet operation is to provide quiet/cooling operation condition compare to normal operation. • 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 35: Random Auto Restart Control
12.11.2. OFF Timer • When the OFF Timer is set by using the remote control, the unit will stop operate according to the desired setting. Notes 1. By pressing ON/OFF operation button, the ON Timer or OFF Timer setting will not be cancelled. 2. - Page 36 b. Patrol operation stop condition When any of the following condition is fulfilled: • When “OFF/ON” button is pressed. • During any operation with Patrol, “Patrol” button is pressed again. • When “e-ion” button is pressed. • When OFF Timer activates. c.
- Page 37 c. Indoor Fan Control • During any operation mode combines with Patrol operation, fan speed follows respective operation mode. • During Patrol individual operation if e-ion starts, only Auto Fan Speed and no Powerful operation is allowed. Even if “Fan Speed”...
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Page 38: E-Ion Operation
12.15. e-ion Operation 1. Purpose This operation provides clean air by producing negative ions to attract dust captured at the positively charged e-ion filters. 2. Control Condition a. 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 39 3. Control Content a. Indoor fan control • During any operation mode combines with e-ion operation, fan speed follows respective operation mode. • During e-ion individual operation - only Auto Fan Speed and no Powerful operation is allowed. Even if Fan Speed button is pressed, no signal is sent to air conditioner, and no change on LCD display.
- Page 40 g. Error Detection Control When e-ion indicator blink, it indicates error listed below: a. e-ion AIR PURIFYING SYSTEM main connector to PCB is 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 41: Servicing Mode
13 Servicing Mode 13.1. Auto OFF/ON Button • The “Auto OFF/ON Button” (behind the front grille) is used to operate the air conditioner if remote control is misplaced or mal- functioning. • Forced cooling operation is possible by pressing the “Auto OFF/ON Button” for more than 5s where “beep” sound is heard then release the button. -
Page 42: Remote Control Button
13.2. Remote Control Button 13.2.1. 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
14 Troubleshooting Guide 14.1. 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 14.1.1. 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
15 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 48: Indoor Fan Motor And Cross Flow Fan Removal Procedures
15.2. Indoor Fan Motor and Cross Flow Fan Removal Procedures... -
Page 50: Technical Data
16 Technical Data 16.1. Thermostat Characteristics [1] Characteristics of thermostat... -
Page 51: Operation Characteristics
16.2. Operation Characteristics... -
Page 53: Fan Performance
16.3. Fan Performance CS-C28GKF CU-C28GKF Fan Speed 1690 1580 1410 Air Flow 20.1 18.7 16.7 Indoor /min /min Fan Speed Air Flow 58.1 Outdoor /min 2051 /min 16.4. Capacity and Power Consumption CS/CU-C28GKF Outdoor intake air ambient temperature (D.B. / °C) -
Page 55: Exploded View And Replacement Parts List
17 Exploded View and Replacement Parts List 17.1. 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-C28GKF CHASSY COMPLETE CWD50C1520 FAN MOTORDC 30W 3PH CWA981149J CROSS FLOW FAN COMPLETE CWH02C1010 SCREW - CROSS FLOW FAN CWH551146 BEARING ASS’Y CWH64K007 EVAPORATOR CO. CWB30C1576 FLARE NUT(1/4)1CWT251026 CWT251026 FLARE NUT (5/8)1CWT251036 CWT251036...
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Page 57: Outdoor Unit
17.2. 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-C28GKF CHASSY ASS’Y CWD50K2100 COMPRESSOR 2JD514D3AA03 ANTI - VIBRATION BUSHING CWH50055 NUT - COMPRESSOR MOUNT CWH561049 PACKING-COMP. MOUNT CWB81043 CONDENSER CWB32C1521 SOUND PROOF BOARD CWH151056 FAN MOTOR BRACKET CWD541055 SCREW - FAN MOTOR BRACKET CWH551198 FAN MOTOR CWA951354J...