Table of Contents
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CONTENTS
CS-A12ATP5 CU-A12ATP5
CS-A18ATP5 CU-A18ATPT5
CS-A24ATP5 CU-A24ATPT5
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© 2001 Matsushita Air-Conditioning Corp. Sdn. Bhd.
(183914D). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0112088C0
Room Air Conditioner
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36
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Table of Contents
Troubleshooting
Related Manuals for Panasonic CS-A12ATP5
Summary of Contents for Panasonic CS-A12ATP5
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Page 1: Table Of Contents
Order No. MAC0112088C0 Room Air Conditioner CS-A12ATP5 CU-A12ATP5 CS-A18ATP5 CU-A18ATPT5 CS-A24ATP5 CU-A24ATPT5 CONTENTS Page Page 1 Functions 10 Servicing Information 2 Product Specifications 11 Troubleshooting Guide 3 Dimensions 12 Technical Data 4 Refrigeration Cycle Diagram 13 Exploded View 5 Block Diagram... -
Page 2: Functions
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 1 Functions Remote Control Transmitter AUTO SPEED HEAT COOL ON OFF TEMP OFF/ON MODE SLEEP FAN SPEED AUTO TIMER AIR SWING OFF/ON SET/C MANUAL RESET Remote Control SLEEP Operation START/STOP Sleep Mode Auto-Control... - Page 3 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Indoor Unit Sensing The Room Temperature Hot-start Control (Heating) Room Temperature Sensor (thermistor) The indoor fan stops until the Evaporator piping temperature will be reached. Starting Current Control Automatic Restarting Control Indoor Fan is delayed for 1.6 seconds at the...
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Page 4: Outdoor Unit
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Outdoor Unit Anti-freezing Control For The Overload Protector Evaporator Compressor will be stopped when the Evaporator’s piping temperature is 0°C or 30 sec. Forced Operation Control less for three minutes Restarting at 12°C or higher (Time Delay... -
Page 5: Product Specifications
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 2 Product Specifications Unit CS-A12ATP5 CU-A12ATP5 Cooling Capacity 3.35; 3.35; 3.40 BTU/h 11,400; 11,400; 11,600 kcal/h 2,870; 2,870; 2,920 Heating Capacity 4.00; 4.00; 4.10 BTU/h 13,600; 13,600; 13,900 kcal/h 3,430; 3,430; 3,500... - Page 6 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Unit CS-A12ATP5 CU-A12ATP5 Power Cord Length — Number of core-wire 3 (1.0 mm — Dimensions Height inch (mm) 6 - 1/2 (165) 19 - 29/32 (505) Width inch (mm) 43 - 5/16 (1,100)
- Page 7 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Unit CS-A18ATP5 CU-A18ATPT5 Cooling Capacity 5.05; 5.05; 5.10 BTU/h 17,200; 17,200; 17,400 kcal/h 4,340; 4,340; 4,390 Heating Capacity 5.35; 5.35; 5.45 BTU/h 18,200; 18,200; 18,600 kcal/h 4,600; 4,600; 4,690 Moisture Removal Pint/h...
- Page 8 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Unit CS-A18ATP5 CU-A18ATPT5 Dimensions Height inch (mm) 6 - 1/2 (165) 26 - 31/32 (685) Width inch (mm) 43 - 5/16 (1,100) 31 - 1/2 (800) Depth inch (mm) 25 - 19/32 (650)
- Page 9 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Unit CS-A24ATP5 CU-A24ATPT5 Cooling Capacity 6.00; 6.05; 6.10 BTU/h 20,400; 20,600; 20,800 kcal/h 5,140; 5,190; 5,240 Heating Capacity 6.00; 6.05; 6.20 BTU/h 20,400; 20,600; 21,100 kcal/h 5,140; 5,190; 5,310 Moisture Removal Pint/h...
- Page 10 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Unit CS-A24ATP5 CU-A24ATPT5 Dimensions Height inch (mm) 6 - 1/2 (165) 26 - 31/32 (685) Width inch (mm) 43 - 5/16 (1,100) 31 - 1/2 (800) Depth inch (mm) 25 - 19/32 (650)
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Page 11: Dimensions
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 3 Dimensions... - Page 12 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5...
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Page 13: Refrigeration Cycle Diagram
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 4 Refrigeration Cycle Diagram... -
Page 14: Block Diagram
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 5 Block Diagram... - Page 15 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5...
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Page 16: Wiring Diagram
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 6 Wiring Diagram... - Page 17 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5...
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Page 18: Operation Details
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 7 Operation Details 7.1. Cooling Mode Operation When selecting the Cooling (COOL) Mode Operation, the unit will operate according to the setting by the Remote Control and the operation is as the following. -
Page 19: Heating Mode Operation
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 7.3. Detail of Sleep Mode Sleep Mode operates to match your sleeping condition. 1. At Cooling or Soft Dry operation When you set the Sleep Mode (SLEEP), the following movement will start to avoid overcooling. -
Page 20: Deice Control
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 7.5. Deice control • Deicing operation is controlled by sensing the indoor piping temperature and timer. • Deicing starts when 60 minutes after start of heating or deice ends and if the indoor piping temperature is 46° (°C) or lower. -
Page 21: Operating Instructions
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 8 Operating Instructions SAFETY PRECAUTIONS Operation Precautions Installation 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. -
Page 22: Preparation Before Operation
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 How to Insert the Batteries NAME OF EACH PART 1 Signal Transmitter Remote Control 2 Operation Display Cooling Model AUTO AUTO SPEED SPEED COOL COOL Gently press the place marked OPEN and slide... -
Page 23: Convenience Operation
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Setting the Fan Speed Setting the Horizontal Airflow Direction Operation Details • Press 4 to select:- – Low Fan Speed COOL – Cooling Operation – Medium Fan Speed • To set the room temperature at your preference –... -
Page 24: Troubleshooting
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 HELPFUL INFORMATION ENERGY SAVING AND OPERATION Pre-season Inspection HINTS Clean the air filters, re-insert and operate the air Auto Operation conditioners. Setting the Temperature • Approximately 10% of electricity can be saved. -
Page 25: Installation Instructions
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 9 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) - Page 26 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 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 27 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Installation Parts Provided Installation parts you should purchase* 1. Suspension bolts (M10 × 600...4 pcs.) 1. *Bushing-sleeve 2. Nut, washer (M10...16 pcs.) 2. *Sleeve 3. Spring washer (M10...8 pcs) 3. *Putty (Gum type sealer) 4.
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Page 28: Indoor Unit
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 9.2. INDOOR UNIT 9.2.1. SELECT THE BEST LOCATION (Refer to “Select the best location” section) 9.2.2. HOW TO FIX INSTALLATION PLATE Installation on the ceiling Installation on the wall • Measure and mark the position for the Suspension bolts •... -
Page 29: Indoor Unit Installation
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 Installation on the floor 9.2.4. INDOOR UNIT INSTALLATION • Measure and mark the position for the floor brackets and the Piping hole. • Drill the hole for the anchor nut. Indoor unit installation •... -
Page 30: Connect The Cable To The Indoor Unit
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 (ii) Secure the Indoor unit onto the Installation bracket with 9.2.5. CONNECT THE CABLE TO THE four M8 bolts with washer. INDOOR UNIT • Engage the lower flange of the hanging bracket on the 1. - Page 31 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 2. For the Left Side Piping. 5. For the Left Bottom or Right Bottom Piping. <For the Left Rear or Right Rear Piping of Ceiling or Attach the Edge Protector onto the edge of the Knock- Wall Mounting>...
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Page 32: Install The Outdoor Unit
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 9.3. OUTDOOR UNIT 9.3.1. SELECT THE BEST LOCATION (Refer to “Select the best location” section) 9.3.2. INSTALL THE OUTDOOR UNIT At the best location, start installation according to Connecting The Piping To Outdoor Unit Indoor/Outdoor Unit Installation Diagram. - Page 33 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 9.3.4. (a) EVACUATION OF THE EQUIPMENT (FOR EUROPE & OCEANIA DESTINATION) WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure.
- Page 34 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 2) Air Purging The air which contains a moisture is remaining in the Refrigeration cycle may cause a malfunction on the Compressor. 1. To purge the air, push the pin on the Gas side 3-way valve for three seconds using with a Hexagonal wrench and set it free for one minute.
- Page 35 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 In case of the Outdoor unit is installed upper position of the indoor unit. 1. Tape the Pipings, and Connecting cable from down to up. 2. From the pipings gathered by taping along the exterior wall and the trap is required to prevent water from entering the room.
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Page 36: Servicing Information
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 10 Servicing Information Pump-Down Terminal • The thermostat will be switched ON (even if the room temperature is low) when the pump-down terminal is short-circuited (by using) alligator-type clips or a similar method), thus permitting easy pump-down when the unit is to be moved to another place. -
Page 37: Troubleshooting Guide
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 11 Troubleshooting Guide 11.1. 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 38 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 11.1.1. Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Heating Mode Condition of the air conditoner Low Pressure High Pressure Electric current Low Pressure High Pressure...
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Page 39: Technical Data
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 12 Technical Data... - Page 40 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 240V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 3.37 2.56 1.19 3.15 2.45 1.28 2.93 2.36 1.37 2.67 2.24 1.48 19.0°C 3.40 1.30 19.5°C 3.70 2.68 1.21 3.46 2.57 1.31 3.22 2.48...
- Page 41 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 240V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 3.37 2.56 1.19 3.15 2.45 1.28 2.93 2.36 1.37 2.67 2.24 1.48 19.0°C 3.40 1.30 19.5°C 3.70 2.68 1.21 3.46 2.57 1.31 3.22 2.48...
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Page 42: Exploded View
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 13 Exploded View... -
Page 43: Replacement Parts List
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 14 Replacement Parts List <Model: CS-A12ATP / CS-A18ATP / CS-A24ATP> REF. NO. PART NAME & DESCRIPTION QTY. CS-A12ATP5 CS-A18ATP5 CS-C24ATP5 ← ← BASE ASS’Y CWD52K195B ← ← PARTICULAR PLATE FOR BASE CWD90811 ←... -
Page 44: Exploded View
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 15 Exploded View... -
Page 45: Replacement Parts List
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 16 Replacement Parts List <Model: CU-A12ATP / CU-A18ATPT / CU-A24ATPT> REF. NO. PART NAME & DESCRIPTION QTY. CU-A12ATP5 CU-A28ATPT5 CU-A24ATPT5 ← CHASSY ASS’Y CWD50K550A CWD50K514B ← SOUND PROOF BOARD CWH15214 CWH15223 ←... -
Page 46: Electronic Parts List
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 17 Electronic Parts List CWA74314 SYMBOL DESCRIPTION & NAME PART NO. BUZZER A48039 D1, D2, D3, D4, D5 DIODE A54MA165TA5 DIODE A54RA15-01KB DIODE BRIDGE A54CS1VB20E FUSE FUSE XBA2C20TR0 INTEGRATED CIRCUIT A52D7533U313 INTEGRATED CIRCUIT... -
Page 47: Electronic Circuit Diagram
CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 18 Electronic Circuit Diagram • CS-C12ATP / CU-C12ATP SCHEMATIC DIAGRAM 1/3 (VH-2) CN-T RY-C BLACK BLACK WHITE ZNR1 FUSE ERZTCEAK471 RY-HOT BLUE 33.0K S1VB10 C-FM TLP620-GB 3300µ 0.01µ 33.0K TA78DL12S RY-H 1.5K 10µ... - Page 48 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 SCHEMATIC DIAGRAM 2/3 R26 300Ω R27 300Ω 0.01µ 6.3V 330µ MN1551ABA 2.8K 20.0K 1.2KΩ 15.8K AN78M05 1.0K REGULATOR POWER 10K x 10 18.7K OSC1 10.0K 4MHz 13.7K OSC2 2SC1740S 10µ 22µ BUZZER DRIVE...
- Page 49 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 SCHEMATIC DIAGRAM 3/3 DISPLAY (XH-4) (XH-4) BLUE BLUE CN-DISP CN-DISP OPERATION ORANGE TIMER Heat Exchanger Temp. AUTO Intake Air Sensor DISCHARGE AIR TEMP SENSOR 510.0K CST4.0OMGT STEPPING MOTOR M54588P MA165 TA-5 STEPPING MOTOR...
- Page 50 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 • CS-A18ATP / CU-A18ATPT • CS-A24ATP / CU-A24ATPT SCHEMATIC DIAGRAM 1/3 (VH-2) CN-T RY-C BLACK BLACK WHITE ZNR1 FUSE ERZTCEAK471 RY-HOT BLUE 33.0K S1VB10 C-FM TLP620-GB 3300µ 0.01µ 33.0K TA78DL12S RY-H 1.5K 10µ...
- Page 51 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 SCHEMATIC DIAGRAM 2/3 R26 300Ω R27 300Ω 0.01µ 6.3V 330µ MN1551ABA 2.8K 20.0K 1.2KΩ 15.8K AN78M05 1.0K REGULATOR POWER 10K x 10 18.7K OSC1 10.0K 4MHz 13.7K OSC2 2SC1740S 10µ 22µ BUZZER DRIVE...
- Page 52 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 SCHEMATIC DIAGRAM 3/3 DISPLAY (XH-4) (XH-4) BLUE BLUE CN-DISP CN-DISP OPERATION ORANGE TIMER Heat Exchanger Temp. AUTO Intake Air Sensor DISCHARGE AIR TEMP SENSOR 510.0K CST4.0OMGT STEPPING MOTOR M54588P MA165 TA-5 STEPPING MOTOR...
- Page 53 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 How to use electronic circuit diagram TIMER TABLE Test Mode Name Time (When test point Remarks Short-circuited) Time Delay Safety Control 2 min. 58 sec. 0 sec. Circuit Protection Control 30 sec.
- Page 54 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 18.1. REMOTE CONTROL...
- Page 55 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 18.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD...
- Page 56 CS-A12ATP5 CU-A12ATP5 / CS-A18ATP5 CU-A18ATPT5 / CS-A24ATP5 CU-A24ATPT5 [MACC] Printed in Malaysia...