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CONTENTS
CS-V18BKP CU-V18BKP5
CS-V24BKP CU-V24BKP5
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© 2002 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0205022C2
Room Air Conditioner
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Table of Contents
Troubleshooting
Related Manuals for Panasonic CS-V18BKP
Summary of Contents for Panasonic CS-V18BKP
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Page 1: Table Of Contents
Order No. MAC0205022C2 Room Air Conditioner CS-V18BKP CU-V18BKP5 CS-V24BKP CU-V24BKP5 CONTENTS Page Page 1 Features 11 New Refrigerant Series [R407C] 2 Functions 12 Servicing Information 3 Product Specifications 13 Troubleshooting Guide 4 Dimensions 14 Technical Data 5 Refrigeration Cycle Diagram... -
Page 2: Features
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 1 Features • High Efficiency • Solar Refreshing Deodorizing Filter − Remove unpleasant odour from the air • Compact Design • Quality Improvement • Comfort Environment − Gas leakage protection − 8 hours of sleep mode operation −... -
Page 3: Functions
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 2 Functions Remote Control Self illuminating button OFF / ON I TEMP. Operation OFF / ON Room Temperature Setting Cooling, Soft Dry, Air Circulation Operation. MODE • Temperature Setting (16°C to 30°C) Operation Mode Selection Automatic Operation •... - Page 4 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Indoor Unit AUTO OFF / ON Automatic Operation Button Random Auto Restart Control • Press for < 5s to operate Automatic • Operation is restarted randomly after operation mode. power failure at previous setting mode. (Used when the remote control cannot be used.) Anti-Freezing Control •...
- Page 5 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Outdoor Unit Compressor Reverse Rotation Protection Control • To protect compressor from reverse rotation when there is a instantaneous power failure. Overload Protector • Inner protector. 60 Secs. Forced Operation Control •...
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Page 6: Product Specifications
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 3 Product Specifications Unit CS-V18BKP CU-V18BKP5 Power Source Phase, Voltage, Cycle Single, 230, 50 Hz Cooling Capacity kW (BTU/h) 5.70 (19,400) Moisture Removal l/h (Pint/h) 3.1 (6.6) Airflow Method OUTLET SIDE VIEW... - Page 7 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Unit CS-V18BKP CU-V18BKP5 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium (Pre Coat) Aluminium (Blue Coat) Fin Type Slit Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 ×...
- Page 8 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Unit CS-V24BKP CU-V24BKP5 Power Source Phase, Voltage, Cycle Single, 230, 50 Hz Cooling Capacity kW (BTU/h) 7.03 (24,000) Moisture Removal l/h (Pint/h) 4.0 (8.5) Airflow Method OUTLET SIDE VIEW TOP VIEW INTAKE Air Volume Indoor Air (Lo)
- Page 9 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Unit CS-V24BKP CU-V24BKP5 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium (Pre Coat) Aluminium (Blue Coat) Fin Type Slit Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 ×...
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Page 10: Dimensions
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 4 Dimensions... - Page 11 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5...
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Page 12: Refrigeration Cycle Diagram
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 5 Refrigeration Cycle Diagram... -
Page 13: Block Diagram
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 6 Block Diagram... -
Page 14: Wiring Diagram
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 7 Wiring Diagram... -
Page 15: Operation Details
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 8 Operation Details 8.1. Cooling Mode Operation Cooling in operation according to Remote Control setting. Time Delay Safety Control (3 minutes) • When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON. •... - Page 16 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Automatic Fan Speed Mode When Automatic Fan Speed is selected at Remote Control during cooling operation. • Fan speed rotates in the range of Hi to Me. • Deodorizing Control. Cooling Operation Time Diagram...
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Page 17: Soft Dry Mode Operation
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 8.2. Soft Dry Mode Operation • The unit starts cooling operation until the room temperature reaches the setting temperature set on the Remote Control, and then Soft Dry operation will start. •... - Page 18 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Soft Dry Operation Time Diagram...
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Page 19: Air Circulation Mode Operation
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 8.3. Air Circulation Mode Operation • When the temperature near the ceiling reaches the setting temperature, Air Circulation Mode operation commences at low airflow volume. It stops when the temperature drops to 2°C below the setting temperature. Air Circulation Mode Operation Time Diagram 8.4. -
Page 20: Powerful Mode Operation
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 8.5. Sleep Mode Auto Operation Cooling or Soft Dry Operation Purpose is to obtain a comfortable room temperature while sleeping. When you press the SLEEP Mode, the following movement will start to avoid overcooling. •... -
Page 21: Random Auto Restart Control
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 8.8. Random Auto Restart Control • If there is a power failure, operation will be automatically restarted after 3 to 4 minutes when the power is resumed. It will start with previous operation mode and airflow direction. •... -
Page 22: Airflow Direction Control
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 8.10. Airflow Direction Control Vertical Airflow Direction Auto-Control • When set a Airflow Direction Auto-Control with remote control, the louver swings up and down as shown in the diagram. • The louver does not swing when the Indoor Fan Motor stops during operation at the upper limit. -
Page 23: Delay On Timer Control
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Horizontal Airflow Direction manual Control • When the manual Airflow Direction Selection Button is pressed, the automatic airflow is released and the airflow direction vane move left and right in the range shown in the diagram. -
Page 24: Operating Instructions
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 9 Operating Instructions SAFETY PRECAUTIONS Installation Precautions Operation Precautions Before operating, please read the following “Safety Precautions” carefully. Warning Warning To prevent personal injury, injury to others and This sign warns of death or serious injury. property damage, the following instructions must be Do not install, remove and reinstall the unit by followed. - Page 25 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 NAME OF EACH PART How to Insert the Batteries 1 Signal Transmitter Remote Control 2 Operation Display 3 Powerful Mode Operation Button 4 Room Temperature Setting Button AUTOHEA HEAT COOL COOL DRY FAN (self-illuminating button) AUTO...
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Page 26: Convenience Operation
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Setting the Fan Speed Use this air conditioner under the following Operation Details • Press 4 to select:- conditions: – Low Fan Speed COOL – Cooling Operation – Medium Fan Speed •... -
Page 27: Care And Maintenance
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 CARE AND MAINTENANCE Pre-season Inspection Cleaning the Indoor Unit and Remote Air Purifying Filters Control Is the discharged air cold/warm? • Wipe gently with a soft, dry cloth. Operation is normal if 15 minutes after the start of •... -
Page 28: Troubleshooting
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 TROUBLESHOOTING Call the Dealer Immediately Normal Operation If the following conditions occur, turn off and unplug the Is it okay? This is the answer main power supply, and then call the dealer immediately. •... -
Page 29: Installation Instructions
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 10 Installation Instructions Required tools for Installation Works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. Torque wrench 18 N.m (1.8 kgf.m) 55 N.m (5.5 kgf.m) 65 N.m (6.5 kgf.m) - Page 30 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 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.
- Page 31 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 Attached accessories Piping size Rated Max. Max. Additional Length Elevation Piping Refrigerant Model Liquid Length (g/m) C18BK, 1/2” 1/4” V18BK C24BK, V24BK, 5/8” 1/4” XC24BK A18BK, 1/2” 1/4” W18BK A24BK, 5/8” 1/4”...
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Page 32: Indoor Unit
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 10.2. INDOOR UNIT 10.2.1. SELECT THE BEST LOCATION 10.2.3. TO DRILL A HOLE IN THE WALL (Refer to “Select the best location” AND INSTALL A SLEEVE OF section) PIPING 1. Insert the piping sleeve to the hole. 10.2.2. - Page 33 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 3. For the embedded piping (This can be used for left rear piping & left bottom piping also.)
- Page 34 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 10.2.5. 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 polychloropre ne sheathed 3 (C18BK, C24BK, XC24BK, V18BK, V24BK) or 5 (A18BK, A24BK, W18BK, W24BK) ×...
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Page 35: Outdoor Unit
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 10.3. OUTDOOR UNIT HOW TO TAKE OUT FRONT GRILLE Please follow the steps below to take out front grille if 10.3.1. SELECT THE BEST LOCATION necessary such as when servicing. (Refer to “Select the best location” 1. - Page 36 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 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.
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Page 37: Connect The Cable To The Outdoor Unit
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 10.3.5. (b) AIR PURGING OF THE PIPING AND INDOOR UNIT 1) Checking a gas leakage. 1. Remove the service-port cap from the 3-way valves. 2. Connect the Manifold gauge set to the service port of Liquid side 3-way valve. -
Page 38: Pipe Insulation
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 10.3.7. PIPE INSULATION EVALUATION OF THE PERFORMANCE • Operate the unit at cooling operation mode for fifteen 1. Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. minutes or more. -
Page 39: New Refrigerant Series [R407C]
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 11 New Refrigerant Series [R407C] • Pinching method 11.1. New refrigerant series [R407C] Close off the ends of the pipes with pliers or similar pipe installation tool and seal the opening by brazing. 11.1.1. - Page 40 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 11. Air-tightness test. (It is recommended that a manifold with sight glass be used.) For the final check, there should be no pressure drop when 3.3 MPa is applied for 24 hours. 12.
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Page 41: Servicing Information
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 12 Servicing Information Caution: • Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C). •... -
Page 42: Cross Flow Fan And Indoor Fan Motor Removal Procedures
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 12.2. Cross Flow Fan and Indoor Fan Motor Removal Procedures 1. In order to remove the Cross Flow Fan and Indoor Fan Motor, Control Board need to be taken out by releasing all the connectors as indicated below. - Page 43 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 6. Remove the Bearing. (Fig. 9) 7. Remove the screws at the left of the Evaporator. (Fig. 9) Fig. 9 8. Push up the Evaporator and pull out the Cross Flow Fan from shaft.
- Page 44 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 • Remote Control Reset When the batteries are inserted for the first time, or the batteries are replaced, all the indications will blink and the remote control might not work. If this happen, remove the cover of the remote control and you will find a resetting terminal, and by shorting it with a minus screwdriver, it will return to normal.
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Page 45: Troubleshooting Guide
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 13 Troubleshooting Guide 13.1. 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. -
Page 46: Diagnosis Methods Of A Malfunction Of A Compressor
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 13.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditoner Low Pressure High Pressure Electric current during operation Insufficient refrigerant (gas leakage) Clogged capillary tube or Strainer... -
Page 47: Technical Data
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 14 Technical Data... - Page 48 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 5.65 4.29 2.03 5.28 4.11 2.19 4.91 3.95 2.34 4.47 3.75 2.52 19.0°C 5.70 2.22 19.5°C 6.21 4.49 2.07 5.80 4.31 2.23 5.40 4.15 2.38...
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Page 49: Exploded View
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 15 Exploded View 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 50: Replacement Parts List
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 16 Replacement Parts List <Model: CS-V18BK / CS-V24BK> REF. NO. PART NAME & DESCRIPTION QTY. CS-V18BKP CS-V24BKP REMARKS ← CHASSY COMPLETE CWD50C1178 ← FAN MOTOR CWA981056 ← CROSS FLOW FAN COMPLETE CWH02C1010 ←... -
Page 51: Exploded View
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 17 Exploded View 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 52: Replacement Parts List
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 18 Replacement Parts List <Model: CU-V18BK / CU-V24BK> REF. NO. PART NAME & DESCRIPTION QTY. CU-V18BKP5 CU-V24BKP5 REMARKS ← CHASSY ASS’Y CWD50K514B ← SOUND PROOF BOARD CWH15223 FAN MOTOR BRACKET CWD54238 CWD54237 ←... -
Page 53: Electronic Circuit Diagram
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 19 Electronic Circuit Diagram • CS-V18BK / CU-V18BK • CS-V24BK / CU-V24BK SCHEMATIC DIAGRAM 1/3 ELECTRONIC CONTROL UNIT TEMPERATURE FUSE TEST R54 1k Q001 BZ01 TO OUTDOOR YELLOW AC01 (WHT) CAPACITOR RY-PWR BLUE MOTOR... - Page 54 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 SCHEMATIC DIAGRAM 2/3 CN-MAIN R11 1k 0.01µ 47µ 0.1µ R12 1k R35 5.1k 0.01µ 100µ 0.01µ R03 100 R02 20k R10 10k 0.1µ R29 1k 1000p (MB) P50/A8 RY-PWR DRIVE SIGNAL STEPPING P51/A9 AUTO OPERATION...
- Page 55 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 SCHEMATIC DIAGRAM 3/3 ELECTRONIC CONTROL UNIT R020 F001 R026 D101 CN001 R052 R016 R027 L001 C003 R105 R031 Z001 C002 C005 R017 R051 DB004 C004 C007 L101 Q004 C012 R050 ZD002 R015 C103 R013...
- Page 56 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 How to use electronic circuit diagram TIMER TABLE Test Mode Name Time (When test point Remarks Short-circuited) Sleep Mode Waiting 1 hr. 6 sec. Sleep Mode Operation 8 hrs. 48 sec. Real Timer 1 hr.
- Page 57 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 19.1. REMOTE CONTROL...
- Page 58 CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 19.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD TOP VIEW...
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Page 59: Print Pattern
CS-V18B KP CU-V18BK P5 / CS-V24BK P CU-V24B KP5 19.3. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW [MAICO] Printed in Malaysia...