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Model
CS-Z20TKEW CS-Z25TKEW CS-Z35TKEW CS-Z42TKEW CS-Z50TKEW CS-Z71TKEW CS-XZ20TKEW CS-XZ25TKEW CS-XZ35TKEW CS-XZ50TKEW CU-Z20TKE CU-Z25TKE CU- 35TKE CU-Z42TKE CU-Z50TKE CU-Z71TKE CU-Z20TKE CU-Z25TKE CU-Z35TKE CU-Z50TKE
Pages
127
Size
33.93 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / AIR CONDITIONER
File
cs-z20tkew-cs-z25tkew-cs-z35tkew-cs-z42tkew-cs-z50.pdf
Date

Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE Service Manual ▷ View online

© Panasonic Corporation 2017.
 
Order No: PAPAMY1701023CE 
 
 
 
 
 
Indoor Unit 
Outdoor Unit
CS-Z20TKEW 
CS-Z25TKEW 
CS-Z35TKEW 
CS-Z42TKEW 
CS-Z50TKEW 
CS-Z71TKEW 
CS-XZ20TKEW 
CS-XZ25TKEW 
CS-XZ35TKEW 
CS-XZ50TKEW 
CU-Z20TKE
CU-Z25TKE
CU-Z35TKE
CU-Z42TKE
CU-Z50TKE
CU-Z71TKE
CU-Z20TKE
CU-Z25TKE
CU-Z35TKE
CU-Z50TKE
Destination
Europe
Turkey
 
 
  
WARNING
 
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 products dealt with in this service information by anyone else could result in serious injury or death.
 
 
IMPORTANT SAFETY NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by       in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of
manufacturer.
 
 
  
PRECAUTION OF LOW TEMPERATURE 
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
 
 
 
  
CAUTION
 
R32 REFRIGERANT
 – This Air Conditioner contains and operates with refrigerant R32. 
THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL. 
Refer to Commonwealth, State, Territory and local legislation, regulations, codes, installation & operation manuals, before the 
installation, maintenance and/or service of this product.
 
 
CAUTION
 
Before performing any of the electrical installation works, please verify on which of the intended connection use. Generally 
there are 2 types of indoor-outdoor connections: 
A  
Single Connection (Single Indoor Unit connects with Single Outdoor Unit) 
B  
Multiple Connection (Multiple Indoor Unit connect with Single Outdoor Unit) 
Both connections have different connecting methods. Any mismatch connections will result in malfunctions. 
The following illustration demonstrates the correct electrical works for both type. 
A  
(Single Connection)
 
B  
(Multiple Connection)
 
 
3
2
S1
Colour of wires (connection cable)
Terminals on the indoor unit
Terminals on the outdoor unit
L
1
N
(Power supply cord)
Terminals on the isolating devices
(Disconnecting means)
(L) (N)
3
2
S1
 
Colour of wires (connection cable)
Terminals on the indoor unit
Terminals on the outdoor unit
(Power supply cord)
Terminals on the isolating devices 
(Disconnecting means)
1
2
3
2
3
L
1
N
S1
* Connection for multi inverter model
(Outdoor power supply)
 
Please refer to the provided Installation Instructions for the detailed procedures for connecting cables to Indoor Unit. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
TABLE OF CONTENTS
PAGE    
PAGE
1.
 
Safety Precautions ............................................. 5
 
2.
 
Precaution for Using R32 Refrigerant .............. 8
 
3.
 
Specifications ................................................... 12
 
4.
 
Features ............................................................ 23
 
5.
 
Location of Controls and Components .......... 24
 
5.1
 
Indoor Unit .................................................. 24
 
5.2
 
Outdoor Unit ............................................... 24
 
5.3
 
Remote Control .......................................... 24
 
6.
 
Dimensions ....................................................... 25
 
6.1
 
Indoor Unit .................................................. 25
 
6.2
 
Outdoor Unit ............................................... 27
 
7.
 
Refrigeration Cycle Diagram ........................... 29
 
7.1
 
CS-Z20TKEW CU-Z20TKE   
CS-Z25TKEW CU-Z25TKE  
CS-Z35TKEW CU-Z35TKE   
CS-Z42TKEW CU-Z42TKE  
CS-XZ20TKEW CU-Z20TKE   
CS-XZ25TKEW CU-Z25TKE  
CS-XZ35TKEW CU-Z35TKE ..................... 29
 
7.2
 
CS-Z50TKEW CU-Z50TKE   
CS-Z71TKEW CU-Z71TKE  
CS-XZ50TKEW CU-Z50TKE ..................... 30
 
8.
 
Block Diagram .................................................. 31
 
8.1
 
CS-Z20TKEW CU-Z20TKE   
CS-XZ20TKEW CU-Z20TKE ..................... 31
 
8.2
 
CS-Z25TKEW CU-Z25TKE   
CS-Z35TKEW CU-Z35TKE  
CS-Z50TKEW CU-Z50TKE   
CS-Z71TKEW CU-Z71TKE  
CS-XZ25TKEW CU-Z25TKE   
CS-XZ35TKEW CU-Z35TKE   
CS-XZ50TKEW CU-Z50TKE ..................... 32
 
8.3
 
CS-Z42TKEW CU-Z42TKE ........................ 33
 
9.
 
Wiring Connection Diagram ............................ 34
 
9.1
 
Indoor Unit .................................................. 34
 
9.2
 
Outdoor Unit ............................................... 35
 
10.
 
Electronic Circuit Diagram .............................. 38
 
10.1
 
Indoor Unit .................................................. 38
 
10.2
 
Outdoor Unit ............................................... 39
 
11.
 
Printed Circuit Board ....................................... 42
 
11.1
 
Indoor Unit .................................................. 42
 
11.2
 
Outdoor Unit ............................................... 46
 
12.
 
Installation Instruction ..................................... 49
 
12.1
 
Select the Best Location ............................ 49
 
12.2
 
Indoor Unit .................................................. 50
 
12.3
 
Outdoor Unit ............................................... 57
 
13.
 
Installation and Servicing Air Conditioner 
using R32 .......................................................... 61
 
13.1
 
About R32 Refrigerant ............................... 61
 
13.2
 
Characteristics of R32 Refrigerant ............. 61
 
13.3
 
Refrigerant piping installation • Tools used  
in services .................................................. 63
 
13.4
 
New installation, Relocation, Repairing of  
Refrigerant Cycle System The  
Procedures ................................................. 67
 
13.5
 
Piping installation of R32 ............................ 68
 
13.6
 
Installation, Relocation, and Service .......... 69
 
13.7
 
Repairing of refrigerant cycle / Brazing  
point ............................................................ 73
 
13.8
 
<Reference> Analysis method for no error  
code, no cooling / no warming ................... 79
 
14.
 
Operation Control ............................................. 81
 
14.1
 
Basic Function ............................................ 81
 
14.2
 
Indoor Fan Motor Operation ....................... 82
 
14.3
 
Outdoor Fan Motor Operation .................... 83
 
14.4
 
Airflow Direction ......................................... 84
 
14.5
 
Quiet Operation (Cooling Mode/Cooling  
Area of Dry Mode) ...................................... 87
 
14.6
 
Quiet Operation (Heating) .......................... 87
 
14.7
 
Powerful Mode Operation .......................... 87
 
14.8
 
Timer Control .............................................. 88
 
14.9
 
Sleep Mode Operation ............................... 88
 
14.10
 
Auto Restart Control ................................... 88
 
14.11
 
Indication Panel .......................................... 89
 
14.12
 
nanoe Operation ......................................... 89
 
14.13
 
Mild Dry Cooling Operation ........................ 91
 
14.14
 
ECONAVI Operation .................................. 91
 
15.
 
Operation Control (For Multi Split  
Connection) ...................................................... 99
 
15.1
 
Cooling operation ....................................... 99
 
15.2
 
Soft Dry Operation ...................................... 99
 
15.3
 
Heating Operation ...................................... 99
 
15.4
 
Automatic Operation ................................ 100
 
15.5
 
Indoor Fan Motor Operation ..................... 100
 
15.6
 
Powerful Mode Operation ........................ 100
 
15.7
 
Auto Restart Control ................................. 100
 
15.8
 
Indication Panel ........................................ 100
 
15.9
 
Mild Dry Cooling Operation ...................... 100
 
16.
 
Protection Control .......................................... 101
 
16.1
 
Protection Control for All Operations ........ 101
 
16.2
 
Protection Control for Cooling & Soft Dry  
Operation .................................................. 103
 
16.3
 
Protection Control for Heating  
Operation .................................................. 104
 
17.
 
Servicing Mode ............................................... 106
 
17.1
 
Auto OFF/ON Button ................................ 106
 
17.2
 
Heat Only Operation ................................ 107
 
17.3
 
Remote Control Button ............................. 108
 
18.
 
Troubleshooting Guide .................................. 111
 
18.1
 
Refrigeration Cycle System ...................... 111
 
18.2
 
Breakdown Self Diagnosis Function ........ 113
 
18.3
 
Error Codes Table .................................... 114
 
18.4
 
Self-diagnosis Method .............................. 116
 
 
 
 
 
 
19.
 
Disassembly and Assembly Instructions ....144
 
19.1
 
CS-Z20TKEW  CS-Z25TKEW   
CS-Z35TKEW  CS-Z42TKEW  
CS-XZ20TKEW  CS-XZ25TKEW   
CS-XZ35TKEW ........................................144
 
19.2
 
CS-Z50TKEW  CS-Z71TKEW   
CS-XZ50TKEW ........................................151
 
19.3
 
Outdoor Electronic Controller Removal  
Procedure .................................................158
 
20.
 
Technical Data ................................................161
 
20.1
 
Cool Mode Performance Data ..................161
 
20.2
 
Heat Mode Performance Data ..................163
 
21.
 
Service Data ....................................................165
 
21.1
 
Cool Mode Outdoor Air Temperature  
Characteristic ............................................165
 
21.2
 
Heat Mode Outdoor Air Temperature  
Characteristic ............................................171
 
21.3
 
Piping Length Correction Factor ...............177
 
22.
 
Exploded View and Replacement Parts  
List ...................................................................179
 
22.1
 
Indoor Unit ................................................179
 
22.2
 
Outdoor Unit .............................................189
 
Page of 127
Display

Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE Service Manual ▷ Download

  • DOWNLOAD Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE Service Manual ↓ Size: 33.93 MB | Pages: 127 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE Air Conditioner. Information contained in Panasonic CS-Z20TKEW / CS-Z25TKEW / CS-Z35TKEW / CS-Z42TKEW / CS-Z50TKEW / CS-Z71TKEW / CS-XZ20TKEW / CS-XZ25TKEW / CS-XZ35TKEW / CS-XZ50TKEW / CU-Z20TKE / CU-Z25TKE / CU- / 35TKE / CU-Z42TKE / CU-Z50TKE / CU-Z71TKE / CU-Z20TKE / CU-Z25TKE / CU-Z35TKE / CU-Z50TKE Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.