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TABLE OF CONTENTS
1 Safety Precaution ------------------------------------------------ 2
2 Specifications ----------------------------------------------------- 4
2.1. CS-PC18GKF CU-PC18GKF--------------------------- 4
2.2. CS-PC24GKF CU-PC24GKF--------------------------- 6
3 Features ------------------------------------------------------------- 8
4 Location of Controls and Components ------------------- 9
4.1. Product Overview------------------------------------------ 9
5 Dimensions--------------------------------------------------------10
5.1. Indoor Unit--------------------------------------------------10
5.2. Outdoor Unit ----------------------------------------------- 11
6 Refrigeration Cycle Diagram --------------------------------13
CS-PC18GKF CU-PC18GKF
CS-PC24GKF CU-PC24GKF
PAGE
7 Block Diagram --------------------------------------------------- 14
8 Wiring Connection Diagram--------------------------------- 15
9 Electronic Circuit Diagram----------------------------------- 17
10 Printed Circuit Board ------------------------------------------ 18
10.1. Main Printed Circuit Board----------------------------- 18
10.2. Power Printed Circuit Board--------------------------- 20
10.3. Indicator panel -------------------------------------------- 21
11 Installation Instruction ---------------------------------------- 22
11.1. CS-PC18GKF CU-PC18GKF ------------------------ 22
11.2. CS-PC24GKF CU-PC24GKF ------------------------ 28
12 Operation and Control ---------------------------------------- 34
© 2006 Panasonic HA Air-Conditioning (M) Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0611060C3
Air Conditioner
PAGE
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Summary of Contents for Panasonic CS-PC18GKF
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Page 1: Table Of Contents
5.2. Outdoor Unit ----------------------------------------------- 11 11.2. CS-PC24GKF CU-PC24GKF ------------------------ 28 6 Refrigeration Cycle Diagram --------------------------------13 12 Operation and Control ---------------------------------------- 34 © 2006 Panasonic HA Air-Conditioning (M) Sdn. Bhd. (11969-T). All rights reserved. Unauthorized copying and distribution is a violation of law. -
Page 2: Safety Precaution
12.1. Cooling Operation---------------------------------------- 34 14 Troubleshooting Guide --------------------------------------- 44 12.2. Soft Dry Operation --------------------------------------- 35 14.1. Refrigeration Cycle System --------------------------- 44 12.3. Automatic Operation------------------------------------- 36 15 Disassembly and Assembly Instructions -------------- 46 12.4. Operation Control ---------------------------------------- 37 15.1. Indoor Electronic Controllers, Cross Flow Fan 12.5. - Page 3 8. When connecting the piping, do not allow air or any substances other than the specified refrigerant to enter the refrigeration cycle. Otherwise, this may lower the capacity, cause abnormally high pressure in the refrigeration cycle, and possibly result in explosion and injury.
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Page 4: Specifications
2 Specifications 2.1. CS-PC18GKF CU-PC18GKF ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition NEW JIS 5.28 - 5.28 Capacity BTU/h 18,000 - 18,000 2.65 - 2.58 BTU/hW 9.05 - 8.79 Noise Level dB (A) High 45 - 45, Low 41 - 41... - Page 5 Item Unit ø Single Power Source (Phase, Voltage, Cycle) 220 - 240 Input Power 1.99 - 2.05 Starting Current Running Current 9.8 - 10.0 Power Factor 92 - 85 Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. *Maximum over current protection Number of core 3 (1.5 mm...
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Page 6: Cs-Pc24Gkf Cu-Pc24Gkf
2.2. CS-PC24GKF CU-PC24GKF ITEM UNIT INDOOR UNIT OUTDOOR UNIT Performance Test Condition NEW JIS 7.03 - 7.03 Capacity BTU/h 24,000 - 24,000 2.74 - 2.60 BTU/hW 9.34 - 8.89 Noise Level dB (A) High 48 - 49, Low 42 - 42 High 59 - 61 Moisture Removal pt/h... - Page 7 Item Unit ø Single Power Source (Phase, Voltage, Cycle) 220 - 240 Input Power 2.57 - 2.70 Starting Current Running Current 12.5 - 12.8 Power Factor 93 - 88 Power factor means total figure of compressor, indoor fan motor and outdoor fan motor. *Maximum over current protection 17.2 Number of core...
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Page 8: Features
3 Features • High efficiency • Compact design • Comfort Environment - Air Filter with function to reduce dust and smoke. - Wider range of horizontal discharge air. • Auto Restart - Random auto restart after power failure for safety restart operation. •... -
Page 9: 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 10: Dimensions
5 Dimensions 5.1. Indoor Unit... -
Page 11: Outdoor Unit
5.2. Outdoor Unit... -
Page 13: Refrigeration Cycle Diagram
6 Refrigeration Cycle Diagram... -
Page 14: Block Diagram
7 Block Diagram... -
Page 15: Wiring Connection Diagram
8 Wiring Connection Diagram... -
Page 17: Electronic Circuit Diagram
9 Electronic Circuit Diagram... -
Page 18: Printed Circuit Board
10 Printed Circuit Board 10.1. Main Printed Circuit Board... -
Page 20: Power Printed Circuit Board
10.2. Power Printed Circuit Board... -
Page 21: Indicator Panel
10.3. Indicator panel... -
Page 22: Installation Instruction
11 Installation Instruction 11.1. CS-PC18GKF CU-PC18GKF 11.1.2. Indoor/Outdoor Unit Installation Diagram 11.1.1. 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. - Page 23 11.1.3. Indoor Unit 11.1.3.1. HOW INSTALLATION 11.1.3.2. TO DRILL A HOLE IN THE WALL PLATE AND INSTALL A SLEEVE OF The mounting wall is strong and solid enough to prevent it from PIPING the vibration. 1. Insert the piping sleeve to the hole. 2.
- Page 24 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
- Page 25 11.1.3.4. 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 × 2.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
- Page 26 11.1.4. Outdoor Unit 11.1.4.1. 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 27 11.1.4.3. AIR PURGING OF THE PIPINGS AND INDOOR UNIT 1) Checking a gas leakage 1. Remove the service port caps from both 3-way valves. 2. Connect the Manifold gauge set to the service port of liquid side 3-way valve. 3. Connect the Charging Cylinder to the Manifold gauge set and open the valve of the Cylinder.
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Page 28: Cs-Pc24Gkf Cu-Pc24Gkf
11.2. CS-PC24GKF CU-PC24GKF 11.2.1. Select The Best Location 11.2.2. Indoor/Outdoor Unit Installation INDOOR UNIT 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 29 11.2.3. Indoor Unit 11.2.3.1. HOW INSTALLATION 11.2.3.2. TO DRILL A HOLE IN THE WALL PLATE AND INSTALL A SLEEVE OF The mounting wall is strong and solid enough to prevent it from PIPING the vibration. 1. Insert the piping sleeve to the hole. 2.
- Page 30 3. For the embedded piping (This can be used for left rear piping and left bottom piping also.)
- Page 31 11.2.3.4. 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 × 2.5 mm flexible cord, type designation 245 IEC 57 or heavier cord.
- Page 32 11.2.4. Outdoor Unit 11.2.4.1. 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 33 11.2.4.3. AIR PURGING OF THE PIPINGS AND INDOOR UNIT 1) Checking a gas leakage 1. Remove the service port caps from both 3-way valves. 2. Connect the Manifold gauge set to the service port of liquid side 3-way valve. 3. Connect the Charging Cylinder to the Manifold gauge set and open the valve of the Cylinder.
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Page 34: 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 35: 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 36: 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 37: Operation Control
12.4. Operation Control (For 11.4.1. to 11.4.7. information applies only to Cooling and Soft Dry Operation) 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 38 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. •...
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Page 39: Indoor Fan Speed Control
10°, 13°, 16°, 19°, 22° under Cooling and Soft Dry operation mode. 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-PC24GKF CS-PC18GKF 1640 1450 1460 1330 1400... -
Page 40: 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 41: Vertical Airflow Direction Control
12.7. Vertical Airflow Direction Control 12.7.1. 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 stopped with remote control, the discharge vent is reset, and stop at the closing position. -
Page 42: 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 malfunctioning. • 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 43: Test Mode Timer Table
13.2.2. CLOCK • To change the remote control's clock-hour and minute. - Press once to enter the clock setting mode. - Use timer increment button timer decrement button to change the time. - Press once again to exit the setting mode. 13.2.3. -
Page 44: 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 45 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 46: Disassembly And Assembly Instructions
15 Disassembly and Assembly Instructions 15.1. Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 15.1.1. To remove the Front Grille • Remove the 3 caps and 3 screws at the bottom of the Front Grille. (Fig. 1) •... - Page 47 • Release the CN-DATA1 connector. (Fig. 5) • Release the CN-STM1 connector. (Fig. 5) • Release the CN-TH connector. (Fig. 5) Fig. 5 15.1.3. To remove the Power Electronic Controller • Release the hook that hold the Particular Piece and pull out the Power Electronic Controller.
- Page 48 15.1.5. To remove the Control Board • Release the 3 screws. (Fig. 9) • By pressing down the hook at the left, you will be able to remove the Control Board. (Fig. 9) Fig. 9 15.1.6. To remove the Cross Flow Fan and Indoor Fan Motor •...
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Page 49: Technical Data
16 Technical Data 16.1. Thermostat Characteristics... -
Page 50: Operation Characteristics
16.2. Operation Characteristics CS-PC18GKF CU-PC18GKF... - Page 52 CS-PC24GKF CU-PC24GKF...
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Page 54: Fan Performance
16.3. Fan Performance CS-PC18GKF CU-PC18GKF Fan Speed 1450 1330 1150 15.5 14.5 13.0 Indoor /min Air Flow /min Fan Speed 34.0 Outdoor /min Air Flow 1200 /min CS-PC24GKF CU-PC24GKF Fan Speed 1640 1460 1310 17.5 15.9 14.6 Indoor /min Air Flow... - Page 56 CS/CU-PC24GKF...
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Page 57: Sound Data
16.5. Sound Data CS-PC18GKF... - Page 58 CS-PC24GKF...
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Page 59: 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 60 REF. NO. PART NAME & DESCRIPTION QTY. CS-PC18GKF CS-PC24GKF REMARKS ← CHASSY COMPLETE CWD50C1394 ← FAN MOTOR CWA981149J ← CROSS FLOW FAN COMPLETE CWH02C1010 ← SCREW - CROSS FLOW FAN CWH551146 ← BEARING ASS’Y CWH64K007 EVAPORATOR CWB30C1574 CWB30C1854 ← FLARE NUT (1/4”) CWT251026 FLARE NUT (1/2”) (5/8”)
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Page 61: 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 62 REF. NO. PART NAME & DESCRIPTION QTY. CU-PC18GKF REMARKS CHASSY ASS’Y CWD50K2088 SOUND PROOF MATERIAL CWG302410 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH551198 FAN MOTOR CWA951264J SCREW - FAN MOTOR MOUNT CWH55406J PROPELLER FAN ASS’Y CWH03K1006 NUT - PROPELLER FAN CWH56053J COMPRESSOR 2KS324D5BG04...
- Page 63 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-PC24GKF REMARKS CHASSY ASS’Y CWD50K2100 COMPRESSOR 2JS438D3GA02 ANTI - VIBRATION BUSHING CWH50055 NUT - COMPRESSOR UNIT CWH561049 PACKING CWB81043 CONDENSER CWB32C1577 SOUND PROOF BOARD ASS’Y CWH151056 FAN MOTOR BRACKET CWD541065 SCREW - FAN MOTOR BRACKET CWH551198 FAN MOTOR CWA951354J...