Table of Contents
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
Indoor Unit
CS-ZC15MKY-3
CS-ZC20MKY-3
WARNING
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.
Order No. PHAAM1102125C3
Air Conditioner
Outdoor Unit
CU-ZC15MKY-3
CU-ZC20MKY-3
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Table of Contents
Related Manuals for Panasonic CS-ZC15MKY-3
Summary of Contents for Panasonic CS-ZC15MKY-3
- Page 1 © Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011. Unauthorized copying and distribution is a violation of law.
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Page 2: Table Of Contents
1. Safety Precautions ..........3 17. Exploded View and Replacement Parts 2. Specifications .............5 List ..............42 3. Location of Controls and Components....7 17.1 CS-ZC15MKY-3 CS-ZC20MKY-3....42 17.2 CU-ZC15MKY-3 CU-ZC20MKY-3 ..... 44 Indoor Unit .............7 Outdoor Unit...........7 Remote Control..........7 4. Dimensions ............8 Indoor Unit &... -
Page 3: Safety Precautions
1. Safety Precautions Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. ... - Page 4 WARNING 19. During installation, install the refrigerant piping properly before run the compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.).
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Page 5: Specifications
2. Specifications Indoor CS-ZC15MKY-3 CS-ZC20MKY-3 Model Outdoor CU-ZC15MKY-3 CU-ZC20MKY-3 Performance Test Condition Indian Standard Indian Standard Phase, Hz Single, 50 Single, 50 Power Supply 4.40 5.57 Capacity BTU/h 15000 19000 kcal/h 3780 4790 Running Current Input Power 1.69k 2.14k 2.60 2.60... - Page 6 Indoor CS-ZC15MKY-3 CS-ZC20MKY-3 Model Outdoor CU-ZC15MKY-3 CU-ZC20MKY-3 Weight Net (I/D / O/D) kg (lb) 12.0 (26) / 32 (71) 12.0 (26) / 35 (77) Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4") / 12.70 (1/2") 6.35 (1/4") / 12.70 (1/2")
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Page 7: Location Of Controls And Components
3. Location of Controls and Components Indoor Unit Outdoor Unit Remote Control... -
Page 8: Dimensions
4. Dimensions Indoor Unit & Remote Control... -
Page 9: Outdoor Unit
Outdoor Unit... -
Page 10: Refrigeration Cycle Diagram
5. Refrigeration Cycle Diagram... -
Page 11: Block Diagram
6. Block Diagram... -
Page 12: Wiring Connection Diagram
7. Wiring Connection Diagram Resistance of Indoor Fan Motor Windings Resistance of Compressor Windings MODEL CS-ZC15MKY-3 CS-ZC20MKY-3 MODEL CU-ZC15MKY-3 CU-ZC20MKY-3 CONNECTION CWA951781 CWA921495 CONNECTION 2KS252L5AA06 2KS340D5BA06 BLUE-YELLOW 373.7 164.9 C - R 2.981 Ω 1.525 Ω RED-YELLOW 294.8 61.7 C - S 3.939 Ω... -
Page 13: Electronic Circuit Diagram
8. Electronic Circuit Diagram... -
Page 14: Printed Circuit Board
9. Printed Circuit Board Indoor Unit 9.1.1 Main Printed Circuit Board... - Page 15 9.1.2 Indicator Printed Circuit Board...
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Page 16: Installation Instruction
10. Installation Instruction 10.1 Select the Best Location 10.1.3 Indoor/Outdoor Unit Installation Diagram 10.1.1 Indoor Unit Do not install the unit in excessive oil fume area such as kitchen, workshop and etc. There should not be any heat source or steam near the unit. -
Page 17: Indoor Unit
10.2 Indoor Unit 10.2.1 How to Fix Installation Plate 10.2.2 To Drill a Hole in the Wall and Install a Sleeve of Piping Insert the piping sleeve to the hole. Fix the bushing to the sleeve. Cut the sleeve until it extrudes about 15 mm from the wall. CAUTION When the wall is hollow, please be sure to use the sleeve for tube assembly to prevent dangers caused... - Page 18 10.2.3 Indoor Unit Installation 1. For the Right and Right Bottom Piping 2. For the Embedded Piping...
- Page 19 Pull Out Indoor Piping Install the Indoor Unit Insert the Connecting Cable and Power Supply Cord Hook the indoor unit onto the upper portion of installation plate. (engage the indoor unit with the upper edge of the installation plate). Ensure the hooks are properly seated on the installation plate by moving it in left and right.
- Page 20 Bend the Embedded Piping Adjust the piping slightly downwards. How to pull the piping and drain hose out, in case of the embedded piping. In case of left piping how to insert the connection cable and drain hose. ...
- Page 21 WARNING This equipment must be properly earthed. Secure the power supply cord and connecting cable onto the control board with the holder. Fix the control board cover back to original position with screw. Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap. ...
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Page 22: Outdoor Unit
10.3 Outdoor Unit 10.3.1 Install the Outdoor Unit After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10mm). When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or nails. - Page 23 10.3.3 Evacuation of the Equipment FOR ENVIRONMENTAL PROTECTION, MANUFACTURER STRONGLY RECOMMENDS TO USE EVACUATION METHOD. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-way valve. Be sure to connect the end of the charging hose with the push pin to the service port. Connect the center hose of the charging set to a vacuum pump.
- Page 24 10.3.4 Air Purging of the Piping and Indoor The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor. Remove the caps from the 2-way and 3-way valves. Remove the service-port cap from the 3-way valves. To open the valve, turn the valve stem of 2-way valve counter-clockwise approx.
- Page 25 10.3.6 Piping Insulation Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation Diagram. Please wrap the insulated piping end to prevent water from going inside the piping. If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by using POLY-E FOAM with thickness 6 mm or above.
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Page 26: Operation And Control
11. Operation and Control 11.1 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 27: Indoor Fan Speed Control
11.2 Indoor Fan Speed Control Indoor Fan Speed can be set using remote control. 11.2.1 Fan Speed Rotation Chart Speed Fan Speed (rpm) ZC15MKY-3 ZC20MKY-3 1030 11.2.2 Manual Fan Speed Control Manual fan speed adjustment can be carried out by using the Fan Speed selection button at the remote control. ... -
Page 28: Protection Control
12. Protection Control 12.1 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. If the operation is stopped by the remote control, the compressor will not turn on within 3 minutes from the moment operation stop, although the unit is turn on again within the period. -
Page 29: Compressor Reverse Rotation Protection Control
12.5 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. -
Page 30: Servicing Mode
13. Servicing Mode 13.1 Auto OFF/ON Button OPERATION MODE The operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunctioned. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE) The Test Run operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5 seconds. -
Page 31: Troubleshooting Guide
14. Troubleshooting Guide 14.1 Refrigeration Cycle System In order to diagnose malfunctions, ensure the air conditioner is free from 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 to the right. - Page 32 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 operation 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 33: Disassembly And Assembly Instructions
15. Disassembly and Assembly Instructions WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 15.1 Indoor Control Board Removal Procedures... -
Page 35: Evaporator Complete, Indoor Propeller Fan And Indoor Fan Motor Removal Procedures
15.2 Evaporator Complete, Indoor Propeller Fan and Indoor Fan Motor Removal Procedures... - Page 36 Caution: Becareful the sharp edges of Fan Motor Bracket it may cause injury.
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Page 37: Technical Data
16. Technical Data 16.1 Thermostat Characteristics Cooling... -
Page 38: Operation Characteristics
16.2 Operation Characteristics 16.2.1 CS-ZC15MKY-3 CU-ZC15MKY-3... - Page 40 16.2.2 CS-ZC20MKY-3 CU-ZC20MKY-3...
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Page 42: Exploded View And Replacement Parts List
17. Exploded View and Replacement Parts List 17.1 CS-ZC15MKY-3 CS-ZC20MKY-3 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 43 <Model: CS-ZC15MKY-3 CS-ZC20MKY-3> REF. NO. PART NAME & DESCRIPTION QTY. CS-ZC15MKY-3 CS-ZC20MKY-3 REMARK CHASSIS-COMPLETE CWD50C1679 ← FAN MOTOR BRACKET CWD541156 ← SCREW-FAN MOTOR MOUNT XTT4+12CFJ ← FAN MOTOR CWA951781 CWA921495 SCREW-FAN MOTOR CWH55406J ← FAN ASSY CWH03K1061 ← NUT-FAN ASSY CWH56053J ←...
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Page 44: Cu-Zc15Mky-3 Cu-Zc20Mky-3
17.2 CU-ZC15MKY-3 CU-ZC20MKY-3 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 45 <Model: CU-ZC15MKY-3 CU-ZC20MKY-3> REF. NO. PART NAME & DESCRIPTION QTY. CU-ZC15MKY-3 CU-ZC20MKY-3 REMARK BASE PAN ASS'Y CWD52K1255 ← FAN MOTOR BRACKET CWD541157 ← SCREW - FAN MOTOR BRACKET CWH551217 ← FAN MOTOR CWA921468 ← SCREW - FAN MOTOR MOUNT CWH55406J ←...