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CONTENTS
CS-A18CKH CU-A18CKH
CS-A24CKH CU-A24CKH
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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. MAC0310028C3
Air Conditioner
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Summary of Contents for Panasonic CS-A18CKH
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Page 1: Table Of Contents
Order No. MAC0310028C3 Air Conditioner CS-A18CKH CU-A18CKH CS-A24CKH CU-A24CKH CONTENTS Page Page 1 Features 8.8. Delay ON Timer Control 2 Functions 8.9. Remote Control Signal Receiving Sound 3 Product Specifications 8.10. Powerful Mode Operation 4 Dimensions 8.11. Ionizer Operation 5 Refrigeration Cycle Diagram... -
Page 2: Features
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 13 Troubleshooting Guide 19.1. REMOTE CONTROL 13.1. Refrigeration cycle system 19.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD 14 Technical Data 19.3. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT 15 Exploded View 16 Replacement Parts List... -
Page 3: Functions
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 2 Functions Remote Control Self illuminating button OFF / ON I TEMP. Operation OFF / ON Room Temperature Setting Heating, Cooling, Soft Dry Operation. MODE • Temperature Setting (16°C to 30°C) Operation Mode Selection Automatic Operation •... - Page 4 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Indoor Unit AUTO OFF / ON Automatic Operation Button Ionizer Control • Press for < 5s to operate Automatic • Ionizer control for generate negative ion operation mode. in discharge air. (Used when the remote control cannot be used.)
- Page 5 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Outdoor Unit Compressor Reverse Rotation Deice Control Protection Control • To prevent frosting at outdoor heat • To protect compressor from reverse exchanger during Heating Operation. rotation when there is a instantaneous power failure. 4-Way Valve Control •...
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Page 6: Product Specifications
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 3 Product Specifications Unit CS-A18CKH CU-A18CKH Power Source Phase, Voltage, Cycle Single, 220 - 240, 50 Hz Cooling Capacity kW (BTU/h) 5.40 (18,400) - 5.40 (18,400) Heating Capacity kW (BTU/h) 5.90 (20,100) - 6.00 (20,500) - Page 7 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Unit CS-A18CKH CU-A18CKH Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 × 15 2 ×...
- Page 8 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Unit CS-A24CKH CU-A24CKH Power Source Phase, Voltage, Cycle Single, 220 - 240, 50 Hz Cooling Capacity kW (BTU/h) 7.03 - 7.03 (24,000 - 24,000) Heating Capacity kW (BTU/h) 7.80 - 7.80 (26,600 - 26,600) Moisture Removal l/h (Pint/h) 4.0 (8.5)
- Page 9 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Unit CS-A24CKH CU-A24CKH Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium (Pre Coat) Aluminium Fin Type Slit Fin Corrugated Fin Row / Stage (Plate fin configuration, forced draft) 2 × 15 2 ×...
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Page 10: Dimensions
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 4 Dimensions... - Page 11 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH...
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Page 12: Refrigeration Cycle Diagram
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 5 Refrigeration Cycle Diagram... -
Page 13: Block Diagram
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 6 Block Diagram... -
Page 14: Wiring Diagram
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 7 Wiring Diagram... -
Page 15: Operation Details
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8 Operation Details 8.1. Indoor Fan Speed Control • Auto Fan Speed Control When set to Auto Fan Speed, the fan speed is adjusted between maximum and minimum setting as shown in the table. • Manual Fan Speed Control Basic fan speed adjustment (3 settings, from Lo to Hi) can be carried out by using the Fan Speed selection button at the remote control. -
Page 16: Cooling Mode Operation
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.2. 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 17 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 2. QLo fan speed (Transistor Motor) 3. QLo fan speed (Induction Motor) 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.
- Page 18 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Cooling Operation Time Diagram Quiet Operation Control (For Cooling Mode or cooling region of Soft Dry Mode) • Purpose of this operation is to provide quite cooling operation compare to normal operation. • When the Quiet Mode is set at the remote control, Quiet Mode LED illuminates, the sound level will be automatically decreased 3 dB, against the present sound level operation.
- Page 19 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH • Manual Fan Speed:- − RPM control during Lo cool − RPM control during Hi & Me cool • Auto Fan Speed:- • Quiet Mode Operation will stop if:- − Quiet mode button is pressed again.
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Page 20: Soft Dry Mode Operation
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.3. 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 21 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Soft Dry Operation Time Diagram Quiet Operation Control • Same as Quiet Operation Control for Cooling Mode operation.
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Page 22: Heating Mode Operation
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.4. Heating Mode Operation • Heating in operation according to Remote Control setting. Time Delay Safety Control • When the compressor is stopped by Power Switch, Remote Control or there is a power failure, it restarts after 3 minutes when the Power Switch, Remote Control is turned ON or the power supply is resumed. - Page 23 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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. Anti Cold Draft Control Compressor Reverse Rotation Protection Control •...
- Page 24 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Heating Operation Time Diagram Deicing Control 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.
- Page 25 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH a) Normal Deicing Time Diagram (b) Overload Deicing Time Diagram...
- Page 26 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Quiet Operation Control (For Heating Mode) • Purpose of this operation is to provide quite heating operation compare to normal operation. • When the Quiet Mode is set at the remote control, Quiet Mode LED illuminates, the sound level will be automatically decreased 3 dB, against the present sound level operation.
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Page 27: Automatic Mode Operation
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.5. 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. If indoor intake air temperature is less than 16°C, Heating mode will immediate operate. -
Page 28: Random Auto Restart Control
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.6. Random Auto Restart Control • If there is a power failure during air conditioner operation, 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 29: Delay On Timer Control
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Horizontal Airflow Direction Auto-Control • When set a Airflow Direction Auto-Control with remote control, the vanes swings left and right as shown in the diagram. • The vanes does not swing when the Indoor Fan Motor stops during operation at 22°... -
Page 30: Powerful Mode Operation
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.10. Powerful Mode Operation Purpose of this operation is to be obtain the setting temperature quickly. 1. Cooling and Soft Dry Mode • When the Powerful Mode is set, the set temperature will be automatically decreased 3°C against the present setting temperature (Lower temperature: 16°C). -
Page 31: Ionizer Operation
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 8.11. Ionizer Operation Purpose To provide fresh air effect to user by discharging minus Ion to air. Control Condition a. Ionizer Only Operation. 1. When air-conditioner unit is at “OFF” condition (standby) and ION operation button at remote control is pressed. - Page 32 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 3. Ionizer operation status is not memorised by Micon. After OFF, when operation is “ON” again, air-conditioner operates without ionizer operation. However, during Cool mode etc + ionizer operation, if there is a power failure & then power resume, air conditioner shall on at that mode + ionizer operation.
- Page 33 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Note: 1. 24 times checking: Actual Ion ON for 10s & OFF for 30 min continuously for 24 times. 2. 24 times count will be cleared when either one of the following conditions happen. a) 24 times count over, b) Ionizer cancel if press Ion button or power reset, c) Ion feedback signal is OK.
- Page 34 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH...
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Page 35: Operating Instructions
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 9 Operating Instructions PRODUCT OVERVIEW Your device can... Air intake Outdoor Unit Cooling Heating Dehumidifying Air outlet Piping, connecting cable Filters under front panel, see page 38 Indoor Unit Indicator & Auto operation button Direction louver... - Page 36 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH OPERATION Find on page Press button Automatic Internal Function Room Switch on temperature Select... Automatic PREPARATIONS According to the room temperature the system automatically chooses temperature Select... TROUBLE- Heating SHOOTING Choose the right temperature to be comfortably...
- Page 37 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Press button Air Flow Vertical Horizontal Fan speed direction direction (air volume) Direction / volume Select automatic / manual Select TIMER ON & OFF Set time cancel Set time Confirm Set time Confirm Confirm Operation...
- Page 38 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH CARE & CLEANING Filters Soaps Neutral household Benzine / Thinner Scouring Wipe gently detergents powder Indoor Unit Filter cleaning see below Ionizer Front Panel Wash gently.. + dry Clean with Remove Reinstall Open manually every 6 months...
- Page 39 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Press button Installation: see enclosed installation PREPARATIONS Plug/breaker instruction! refer page 42 Indoor Unit OPEN front panel Remove AIR filters Place PURIFYING Place AIR filters CLOSE front Panel Plug in filters Insert batteries Year Set Clock...
- Page 40 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH TROUBLESHOOTING No problem In case of... Abnormal noise during operation Operation delayed for 3 minutes after Self protection procedure successful restart Water / foreign particles have entered the Remote Caused by refrigerant flow inside It sounds like water flowing...
- Page 41 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH SAFETY PRECAUTIONS Before operating, read the safety precautions thoroughly Operation EMERGENCY! Immediately isolate from the mains supply (e.g. if there is a NEVER use the plug to switch on/off smell of burning) Use only for...
- Page 42 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH SAFETY PRECAUTIONS & FEATURES refer page Defects Luminous button: convenient in the dark! Defect / suspicion of defect? —> Attend defects before use! Automatic Operation: indoor temp. is gauged to select the Do NOT repair yourself...
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Page 43: Installation Instructions
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 NGm (1.8 kgfGm) 55 NGm (5.5 kgfGm) - Page 44 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 45 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Attached accessories Indoor/Outdoor Unit Installation Diagram Applicable piping kit CZ-4F5, 7, 10AN (C18CK, A18CK, RS-C18CK) CZ-52F5, 7, 10AN (C24CK, A24CK, RS-C24CK) SELECT THE BEST LOCATION INDOOR UNIT • There should not be any heat source or steam near the unit.
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Page 46: Indoor Unit
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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. - Page 47 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH (This can be used for left rear piping & left bottom piping also.)
- Page 48 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 polychloroprene sheathed 3 × 2.5 mm (C18CK, C24CK, RS/RU-C18/24CK) or 5 ×...
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Page 49: Outdoor Unit
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH HOW TO TAKE OUT FRONT GRILLE AUTO SWITCH OPERATION Please follow the steps below to take out front grille if The below operations will be performed by pressing the necessary such as when servicing. “AUTO” switch. - Page 50 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH Connecting 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.
- Page 51 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH CAUTION • If gauge needle does not move from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa), in step 3 above take the following measure: • If the leak stops when the piping connections are tightened further, continue working from step 3.
- Page 52 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 10.3.6. 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 × 2.5 mm (C18CK, C24CK, RS/RU-C18/24CK) or 5 ×...
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Page 53: 11 3-Way Valve
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11 3-way Valve 3-way Valve (Liquid Side) 3-way Valve (Gas Side) Works Shaft Position Service Port Shaft Position Service Port Shipping Closed Closed Closed Close (With valve cap) (With cap) (With valve cap) (With cap) -
Page 54: Air Purging Of The Piping And Indoor Unit
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11.1. Air Purging of the Piping and Indoor Unit 11.1.1. Air purging Required tools: Hexagonal wrench, adjustable wrench, The air in the indoor unit and in the piping must be purged. If air torque wrenches, wrench to hold the... - Page 55 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11.1.2. Pumping down Procedure: 1. Confirm that both the 3-way valves are set to the open 6. Operate the air conditioner at the cooling cycle and position. stop it when the gauge indicates 0.1 MPa.
- Page 56 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11.1.3. Re-air purging (Re-installation) Procedure: 1. Remove the cap nut from 3-way valves. 5. Check for gas leakage. • Remove the cap nut from 3-way valves after carefully • Check the flare connections for gas leakage.
- Page 57 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11.1.4. Balance refrigerant of the 3-way valves Procedure: 1. Confirm that both the 3-way valves are set to the open position. 2. Connect the manifold gauge to the gas side (Low side) 3-way valve’s port.
- Page 58 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11.1.5. Evacuation (No refrigerant in the refrigeration cycle) Procedure: 1. Connect the vacuum pump to the manifold gauge’s centre hose. 2. Evacuation for approximately one hour. • Confirm that the gauge needle has moved toward -0.01 MPa.
- Page 59 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 11.1.6. Gas charging (After Evacuation) Procedure: 1. Connect the charge hose to the gas charging cylinder. 4. Immediately disconnect the charge hose from the 3-way valve’s service port. • Connect the charge hose which you disconnected from •...
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Page 60: Servicing Information
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 61: Cross Flow Fan Indoor And Fan Motor Removal
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 12.2. Cross Flow Fan Indoor and 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 62 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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. By then, Fan Motor can be taken out. (Fig. 10).
- Page 63 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH • 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 64: Troubleshooting Guide
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 65 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 13.1.1. 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 Electric current...
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Page 66: Technical Data
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 14 Technical Data... - Page 67 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH...
- Page 68 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH...
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Page 69: Exploded View
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 70: Replacement Parts List
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 16 Replacement Parts List <Model: CS-A18CKH / CS-A24CKH> REF. NO. PART NAME & DESCRIPTION QTY. CS-A18CKH CS-A24CKH REMARKS CHASSY COMPLETE CWD50C1293 CWD50C1343 ← FAN MOTOR CWA981056 ← CROSS FLOW FAN COMPLETE CWH02C1010 ← SCREW - CROSS FLOW FAN CWH4580304 ←... -
Page 71: Exploded View
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 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 72: Replacement Parts List
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 18 Replacement Parts List <Model: CU-A18CKH / CU-A24CKH> REF. NO. PART NAME & DESCRIPTION QTY. CU-A18CKH CU-A24CKH REMARKS ← CHASSY ASS’Y CWD50K2087 COMPRESSOR 2JS324D3AB07 2JS438D3JA02 ← ANTI - VIBRATION BUSHING CWH50055 ← NUT - COMPRESSOR MOUNT... -
Page 73: Electronic Circuit Diagram
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 19 Electronic Circuit Diagram • CS-A18CKH CU-A18CKH • CS-A24CKH CU-A24CKH SCHEMATIC DIAGRAM 1/5 ELECTRONIC CONTROL UNIT TEMPERATURE FUSE PC01 0.01µ 1.82k DEICE (BLU) 1000p 10µ (RED) BLK/BLU 1000p TO OUTDOOR AC01 COIL (WHT) (4-WAYS VALVE) - Page 74 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH SCHEMATIC DIAGRAM 2/5 TEST R54 1k Q001 R11 1k BZ01 0.01µ R12 1k R35 5.1k 0.01µ R10 10k 6.2k 6.2k P50/A8 RY-PWR DRIVE SIGNAL STEPPING P51/A9 MOTOR AUTO OPERATION R13 220 DRIVE TEST RUN P03/NTP3...
- Page 75 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH SCHEMATIC DIAGRAM 3/5 CN-MAIN 47µ 0.1µ 0.01µ 0.01µ 100µ 0.01µ R03 100Ω R02 20k 0.1µ 510Ω R29 1k 1000p (MB) R07 20k 5.1k 0.022µ 100Ω 150k 4.096 MHz IC04 (47pF X 2) C3EBDG000021 100k 2.2µ...
- Page 76 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH SCHEMATIC DIAGRAM 4/5 ELECTRONIC CONTROL UNIT R020 F001 D101 R026 CN001 R016 R052 R027 L001 C003 R105 Z001 C005 R031 C002 R017 R051 DB004 C004 C007 C012 L101 R050 Q004 ZD002 C103 R015 R013 R048...
- Page 77 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH SCHEMATIC DIAGRAM 5/5...
- Page 78 CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH How to use electronic circuit diagram 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.
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Page 79: Remote Control
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 19.1. REMOTE CONTROL... -
Page 80: Print Pattern Indoor Unit Printed Circuit
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 19.2. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD... -
Page 81: Print Pattern Indoor Unit Printed Circuit
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 19.3. PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD... -
Page 82: Print Pattern Outdoor Unit Printed Circuit
CS-A18CKH CU-A18CKH / CS-A24CKH CU-A24CKH 19.4. PRINT PATTERN OUTDOOR UNIT PRINTED CIRCUIT BOARD [MAICO] Printed in Malaysia...