Panasonic CS-A12CTP Service Manual
Room air conditioner
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- Operating instructions (4 pages) ,
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CONTENTS
CS-A12CTP CU-A12CTP5
CS-A18CTP CU-A18CTP5
CS-A24CTP CU-A24CTP5
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2
5
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© 2003 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T). All rights reserved. Unauthorized copying
and distribution is a violation of law.
Order No. MAC0301002C8
Room Air Conditioner
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Table of Contents
Troubleshooting
Related Manuals for Panasonic CS-A12CTP
Summary of Contents for Panasonic CS-A12CTP
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Page 1: Table Of Contents
Order No. MAC0301002C8 Room Air Conditioner CS-A12CTP CU-A12CTP5 CS-A18CTP CU-A18CTP5 CS-A24CTP CU-A24CTP5 CONTENTS Page Page 1 Functions 11 Troubleshooting Guide 2 Product Specifications 12 Technical Data 3 Dimensions 13 Exploded View 4 Refrigeration Cycle Diagram 14 Replacement Parts List 5 Block Diagram... -
Page 2: Functions
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 1 Functions Remote Control Self illuminating button OFF / ON I TEMP. Operation OFF / ON Room Temperature Setting Heating, Cooling, Soft Dry Operation. • Temperature Setting (16°C to 30°C) MODE Operation Mode Selection Automatic Operation •... -
Page 3: Indoor Unit
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Indoor Unit AUTO OFF / ON Automatic Operation Button Indoor Fan Speed Control • Press for < 5s to operate Automatic • High, Medium and Low. operation mode. • Automatic Fan Speed Mode Heating : Fan speed varies from Me →... -
Page 4: Outdoor Unit
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Outdoor Unit CU-A18CTP5 CU-A12CTP5 CU-A24CTP5 Compressor Reverse Rotation Deice Control Protection Control • To prevent frosting at outdoor heat ex- changer. (Only for Heating Operation) • To protect compressor from reverse rotation when there is a instantaneous power failure. -
Page 5: Product Specifications
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 2 Product Specifications Unit CS-A12CTP CU-A12CTP5 Power Source Phase Single 220 - 230 Cycle Cooling Capacity 3.52 - 3.52 Btu/h 12,000 - 12,000 kcal/h 3,030 - 3,030 Heating Capacity 4.00 - 4.00... - Page 6 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Unit CS-A12CTP CU-A12CTP5 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Aluminium (Blue Coated) Fin Type Louver Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 ×...
- Page 7 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Unit CS-A18CTP CU-A18CTP5 Power Source Phase Single 220 - 230 Cycle Cooling Capacity 5.30 - 5.30 Btu/h 18,100 - 18,100 kcal/h 4,560 - 4,560 Heating Capacity 6.00 - 6.00 Btu/h 20,500 - 20,500...
- Page 8 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Unit CS-A18CTP CU-A18CTP5 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Aluminium (Blue Coated) Fin Type Louver Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 ×...
- Page 9 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Unit CS-A24CTP CU-A24CTP5 Power Source Phase Single 220 - 230 Cycle Cooling Capacity 6.40 - 6.40 Btu/h 21,800 - 21,800 kcal/h 5,500 - 5,500 Heating Capacity 7.50 - 7.50 Btu/h 25,600 - 25,600...
- Page 10 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Unit CS-A24CTP CU-A24CTP5 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Aluminium (Blue Coated) Fin Type Louver Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 ×...
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Page 11: Dimensions
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 3 Dimensions... - Page 12 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5...
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Page 13: Refrigeration Cycle Diagram
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 4 Refrigeration Cycle Diagram... - Page 14 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5...
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Page 15: Block Diagram
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 5 Block Diagram... - Page 16 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5...
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Page 17: Wiring Diagram
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 6 Wiring Diagram... - Page 18 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5...
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Page 19: Operation Details
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 7 Operation Details 7.1. 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 it is turned ON by Remote Control. - Page 20 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Compressor Protection Control • After the compressor starts for 50 seconds but the outdoor fan motor is still OFF, the compressor will stop and restart automatically. (Time Delay Safety Control is valid).
- Page 21 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Cooling Operation Time Diagram...
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Page 22: Soft Dry Mode Operation
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 7.2. 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. • During Soft Dry operation, the Indoor Fan will operate at Lo- speed. - Page 23 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Soft Dry Operation Time Diagram...
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Page 24: Heating Mode Operation
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 7.3. Heating Mode Operation Heating in operation according to Remote Control setting. Time Delay Safety Control • When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON. - Page 25 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 4-way Valve Control • 4-way valve always ON during Heating operation. (Except Deicing operation) • When the unit is switched to “OFF” during Heating operation, 4-way valve stay at Heating position for 5 minutes.
- Page 26 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Automatic Fan Speed Mode When Automatic Fan Speed is selected at Remote Control during heating operation. • Fan speed rotates in the range of Me → SLo according to the heat exchanger temperature.
- Page 27 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Deicing Control 1) A12CT Deice starts to prevent frosting at outdoor heat exchanger. • Normal Deicing Deice operations detection commences after 30 minutes of Heating operation starts or 60 minutes after previous deice operation.
- Page 28 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Normal Deicing Time Diagram Overload Deicing Time Diagram...
- Page 29 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 2) A18CT, A24CT Deice starts to prevent frosting at outdoor heat exchanger. • Normal Deicing Deice operation detection commences in Heating operation starts or 60 minutes after previous deice operation. If the outdoor piping temperature drops to -4°C for 50 sec.
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Page 30: Automatic Mode Operation
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 (b) Overload Deicing Time Diagram 7.4. Automatic Mode Operation 1. When the Automatic Mode Operation is selected, the indoor fan operates at SLo fan speed for 25 seconds to sense intake air temperature and determine the 1st operation mode. - Page 31 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Present Judgement Next Mode Mode Cooling Soft Dry Heating Cooling 23°C Cooling (Judgement: Not Applicable (Judgement: Heating 23°C & Above) Below 23°C) Soft Dry 23°C Soft Dry Not Applicable (Judgement: (Judgement: Heating 23°C &...
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Page 32: Random Auto Restart Control
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Heating Operation Purpose is to obtain a comfortable room temperature while sleeping. When you press the SLEEP Mode, the following movement will start to avoid overheating. • Sleep shift operation starts, when the room temperature reaches the setting temperature or after 1 hour of operation. -
Page 33: Indoor Fan Speed Control
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 7.9. Indoor Fan Speed Control Auto Fan Speed Control When set to Auto Fan Speed, the fan speed is shifted automatically between Stop to SHi depend on each operation as shown below. - Page 34 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 7.11. Soft starter (Applicable only for Australia market) A. Purpose To reduce starting current lower than 45A. B. Basic Operation (A18CTP, A24CTP) 1. When indoor relay is turn ON, starting capacitor will be turn ON through RY-C for ~ 1 second. After that reactor will be turn OFF through RY-L and in the same time RY-C will turn OFF causes starting capacitor to be OFF.
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Page 35: Operating Instructions
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 8 Operating Instructions SAFETY PRECAUTIONS I Operation Precautions I Installation Precautions Before operating, please read the following “Safety Precautions” carefully. Warning Warning G To prevent personal injury, injury to others and This sign warns of death or serious injury. - Page 36 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 G How to Insert the Batteries NAME OF EACH PART I Remote Control 1 Signal Transmitter 2 Operation Display Cooling Model Gently press the place marked OPEN and slide the cover towards you.
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Page 37: Convenience Operation
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 I Setting the Fan Speed G Automatic Operation • Press 4 to select:- • Press the Auto Airflow Direction Button 6. – Low Fan Speed I Setting the Horizontal Airflow Direction • Cooling / Soft Dry –... -
Page 38: Troubleshooting
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 HELPFUL INFORMATION ENERGY SAVING AND OPERATION I Pre-season Inspection HINTS G Clean the air filters, re-insert and operate the air I Auto Operation conditioners. I Setting the Temperature • Approximately 10% of electricity can be saved. -
Page 39: Installation Instructions
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 40 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 • When connecting the piping, do not not use any existing (R22) pipes and flare nuts. Using such same may cause abnormally high pressure in the refrigeration cycle (piping), and possibly result in explosion and injury. Use only R410A materials.
- Page 41 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 Attached accessories 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.
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Page 42: Select The Best Location
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 PARTS Installation on the ceiling • Measure and mark the position for the Suspension bolts and the piping hole. -
Page 43: Indoor Unit Installation
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 9.2.3. TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1. Insert the piping sleeve to the hole. 2. Fix the bushing to the sleeve. 3. Cut the sleeve until it extrudes about 15 mm from the wall. -
Page 44: Connect The Cable To The Indoor Unit
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 9.2.5. CONNECT THE CABLE TO THE INDOOR UNIT 1. Open the control box at the bottom end of the chassis and connect the cable through the hole. • Connect the wires to the terminals on the control board individually according to the outdoor unit connection. -
Page 45: Install The Outdoor Unit
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 Indoor- Outdoor Unit Installation Diagram. - Page 46 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 47 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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.
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Page 48: Connect The Cable To The Outdoor Unit
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 9.3.6. CONNECT THE CABLE TO THE OUTDOOR UNIT 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 x 1.5mm (C/V12CT) or 5 x 1.5mm... - Page 49 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 CHECK THE DRAINAGE • Connect the drain hose, as described below. • Pour water into the drain pan to ensure that water is drained smoothly through the drain hose. AUTO SWITCH OPERATION The below operations will be performed by pressing the “AUTO”...
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Page 50: Servicing Information
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 10 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 51: Troubleshooting Guide
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 52 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 53: Technical Data
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 12 Technical Data... - Page 54 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 230V Outdoor Temp. (°C) Indoor wet bulb temp. 17.0°C 3.49 2.65 1.04 3.26 2.54 1.12 3.03 2.44 1.20 2.76 2.32 1.30 19.0°C 3.52 1.14 19.5°C 3.83 2.77 1.06 3.58 2.66 1.14 3.33 2.56...
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Page 55: Exploded View
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 13 Exploded View... -
Page 56: Replacement Parts List
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 14 Replacement Parts List <Model: CS-A12CTP / CS-A18CTP / CS-A24CTP> REF NO. DESCRIPTION & NAME QTY. CS-A12CTP CS-A18CTP CS-A24CTP REMARKS ← ← CHASSY COMPLETE CWD50C1258 ← FAN MOTOR CWA921172 CWA921158 ← ←... -
Page 57: Exploded View
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 58: Replacement Parts List
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 16 Replacement Parts List <Model: CU-A12CTP5> REF. NO. PART NAME & DESCRIPTION QTY. CU-A12CTP5 REMARKS CHASSY ASS’Y CWD50K2074 SOUND PROOF MATERIAL CWG302110 FAN MOTOR BRACKET CWD541030 SCREW - FAN MOTOR BRACKET CWH55413... -
Page 59: Exploded View
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 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 60: Replacement Parts List
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 18 Replacement Parts List <Model: CU-A18CTP5 / CU-A24CTP5> REF. NO. PART NAME & DESCRIPTION QTY. CU-A18CTP5 CU-A24CTP5 REMARKS ← CHASSY ASS’Y CWD50K514B ← SOUND PROOF BOARD CWH15223 ← FAN MOTOR BRACKET CWD54237 ←... -
Page 61: Electronic Circuit Diagram
CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 19 Electronic Circuit Diagram • CS-A12CTP / CU-A12CTP5 SCHEMATIC DIAGRAM 1/4 CN-RMT 100k 0.01µ 0.01µ 0.01µ (PH9) CN-DISP R103 100k IC101 R102 C101 22µF AUTO CN-DISP 4.7k (PH9) SW101 0.01µ AIR SWING... - Page 62 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 SCHEMATIC DIAGRAM 2/4 0.01µ 0.1µ 0.1µ TEST 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 VREF+ IC01 OSC2 MN101C309 OSC1 MM0D SBO0 SBI0 SBT0...
- Page 63 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 SCHEMATIC DIAGRAM 3/4 1.82k 47k2W 0.1µ PC02 0.01µ 47k2W 10µ CT01 100µ SSR02 ZNR02 0.1µ SSR02 ZD01 6.2k 4.7k 10µ DB01 IC03 IC04 – 220µ 470µ 3300µ 0.1µ 39k/2W PC01 3.9k 100k 4.7k...
- Page 64 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 SCHEMATIC DIAGRAM 4/4 PIPE TEMP. SENSOR (20k 3950) INDOOR AIR TEMP. SENSOR UNIT CN-TH TERMINAL (15k 3950) (PH4) FM(BLU) HOT(RED) AC 220-240V 50/60 HZ AC(WHT) RY-PWR OUTDOOR UNIT TERMINAL FUSE 250V 0.047µ...
- Page 65 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 • CS-A18CTP / CU-A18CTP5 • CS-A24CTP / CU-A24CTP5 SCHEMATIC DIAGRAM 1/4 CN-RMT 100k 0.01 0.01 0.01 (PH9) CN-DISP R103 100k IC101 R102 C101 22 F AUTO CN-DISP 4.7k (PH9) SW101 0.01 AIR SWING...
- Page 66 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 SCHEMATIC DIAGRAM 2/4 0.01 TEST 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 VREF+ IC01 OSC2 MN101C309 OSC1 MM0D SBO0 SBI0 SBT0...
- Page 67 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 SCHEMATIC DIAGRAM 3/4 1.82k 47k2W PC02 0.01 47k2W CT01 SSR02 ZNR02 SSR02 ZD01 6.2k 4.7k DB01 IC03 IC04 — 3300 39k/2W PC01 3.9k 100k 4.7k 6.2k SSR01 4.7k (PH3) 0.01 CN-FB...
- Page 68 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 SCHEMATIC DIAGRAM 4/4 PIPE TEMP. SENSOR (20k 3950) INDOOR AIR TEMP. SENSOR UNIT CN-TH (15k 3950) TERMINAL (PH4) FM(BLU) HOT(RED) AC 220-240V 50/60 HZ AC(WHT) RY-PWR OUTDOOR UNIT TERMINAL FUSE 250V COIL...
- Page 69 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 How to use electronic circuit diagram...
- Page 70 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 TIMER TABLE Test Mode Name Time (When test point Remarks Short-circuited) Real Timer 1 hr. 1 min. 10 min. 10 sec. 1 min. 1 sec. Time Delay Safety Control 2 min. 58 sec.
- Page 71 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 19.1. REMOTE CONTROL...
- Page 72 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 19.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD...
- Page 73 CS-A12CTP CU-A12CTP5 / CS-A18CTP CU-A18CTP5 / CS-A24CTP CU-A24CTP5 [MAICO] Printed in Malaysia...