Panasonic CS-TZ35TKEW

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11. Printed Circuit Board

11.1 Indoor Unit

11.1.1 Main Printed Circuit Board

AC303

AC306

C304

CN-STM3

CN-STM1

CN-DISP

CN-RMT

CN-TH

CN-CNT

JP1 (Random Auto Restart enable/disable)

CN-FM

AMP Air Conditioning

www.ampair.co.uk | sales@ampair.co.uk

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Table of Contents2
Safety Precautions3
Precaution for Using R32 Refrigerant5
Specifications9
Remote Control11
Multi Split Combination Possibility17
Indoor Unit17
Outdoor Unit18
Indoor Unit19
Features20
Location of Controls and Components21
Indoor Unit21
Outdoor Unit21
Remote Control21
Dimensions22
Cu-Tz20Tke Cu-Tz25Tke Cu-Tz35Tke23
Cu-Tz42Tke23
Refrigeration Cycle Diagram24
Block Diagram25
Cu-Tz20Tke Cu-Tz25Tke26
Cu-Tz35Tke27
Wiring Connection Diagram29
Electronic Circuit Diagram33
Main Printed Circuit Board37
Indicator Printed Circuit Board38
Installation Instruction42
Select the Best Location42
Indoor/Outdoor Unit Installation Diagram42
How to Fix Installation Plate43
To Drill a Hole in the Wall and Install a Sleeve of Piping44
Indoor Unit Installation45
For the Right Rear Piping45
For the Right and Right Bottom Piping45
For the Embedded Piping45
Connect the Cable to the Indoor Unit46
Wire Stripping Connecting and Requirement47
Install the Outdoor Unit48
Connecting the Piping to Indoor48
Connecting the Piping to Outdoor48
Connecting the Piping to Outdoor Multi49
Evacuation of the Equipment50
Connect the Cable to the Outdoor Unit51
Piping Insulation52
Cutting and Flaring the Piping52
How to Take out Front Grille52
Disposal of Outdoor Unit Drain Water52
Evaluation of the Performance53
Installation of Air Purifying Filter53
Installation and Servicing Air Conditioner Using R3254
About R32 Refrigerant54
Characteristics of R32 Refrigerant54
Chemical Characteristics54
Characteristic of Pressure55
Refrigerant Piping Installation/Tools Used in Services56
Tools for R32 (Common with R410A)56
Flare Gauges56
Flare Tools (Clutch Type)56
Torque Wrenches (Diameters 1/2, 5/8)57
Manifold Gauges57
Charging Hoses57
Vacuum Pump and Vacuum Pump Adopter57
HFC Refrigerant_Electric Gas Leakage Tester58
Digital Scale for Refrigerant Charging58
Refrigerant Cylinders58
Connection Ports of Refrigerant Cylinders and Packing58
Tools Used for Refrigerant Piping Installations and Services59
New Installation, Relocation60
Repairing of Refrigerant Cycle System the Procedures60
Piping Installation of R3261
Pipe Materials Used and Flaring61
Processing and Connection of Pipes61
Installation, Relocation, and Service62
Air Purge and Gas Leak Test for New Installation Using Vacuum Pump62
Point62
Process of Refrigerant Recovery63
Relocation64
Replacement of Air Conditioning Units and Evacuation64
Inter-Changeability of Refrigerant64
Re-Insertion of Refrigerant in Service65
Repairing of Refrigerant Cycle/Brazing Point66
Preparation for Repairing of Refrigerant Cycle/Brazing66
Adjustment of Vacuum Pump Pressure66
Cylinder with Adjustment Handle66
Checking of Gas Provision67
Adjustment of Flame67
Cylinder Without Adjustment Valve67
Types of Flame68
Closing the Flame68
Selection of Brazing Material69
Need of Flux69
Need of Nitrogen Gas69
Checking of Brazing (Insert) Points70
Brazing and Heating70
Terminologies of Brazing71
Reference Analysis Method for no Error Code, no Cooling/No Warming72
Preparation for Appropriate Diagnosis72
Understanding and Verification of Refrigerant Cycle72
Code, no Cooling / no Warming72
Guidance for Diagnosis of Refrigerant Cycle73
Measuring Temperature73
Measuring Electric Current73
Meauring Pressure73
Operation Control74
Basic Function74
Cooling and Soft Dry Operation74
Heating Operation74
Indoor Fan Motor Operation75
Automatic Operation75
Basic Rotation Speed (Rpm)75
Outdoor Fan Motor Operation76
Airflow Direction77
Vertical Airflow77
Timer Control78
Horizontal Airflow78
On/Off Timer Control78
Sleep Mode Operation79
Auto Restart Control79
Indication Panel79
Quiet Operation (Cooling Mode/Cooling Area of Dry Mode)79
Quiet Operation (Heating)80
Powerful Mode Operation80
Operation Control (for Multi Split Connection)81
Cooling Operation81
Soft Dry Operation81
Residual Heat Removal Control82
Auto Restart Control82
Indication Panel82
Protection Control for All Operations83
Restart Control (Time Delay Safety Control)83
Total Running Current83
IPM (Power Transistor) Prevention Control83
Low Pressure Prevention Control (Gas Leakage Detection)84
Low Frequency Protection Control 184
Low Frequency Protection Control 284
Protection Control for Cooling & Soft Dry Operation85
Outdoor Air Temperature Control85
Cooling Overload Control85
Freeze Prevention Control 1 & 285
Protection Control for Heating Operation86
Dew Prevention Control 186
Intake & Outdoor Air Temperature Control86
Overload Protection Control86
Odor Cut Control86
Low Temperature Compressor Oil Return Control87
Cold Draught Prevention Control87
Deice Operation87
Low Pressure Protection Control87
Servicing Mode88
Auto Off/On Button88
How to Activate/Deactivate Heat Only Operation89
Remote Control Button90
Operation Mode During Heating Only Operation90
SET Button90
Reset (RC, AC)91
Timer91
Special Setting Mode91
Troubleshooting Guide93
Refrigeration Cycle System93
Breakdown Self Diagnosis Function95
Self Diagnosis Function (Three Digits Alphanumeric Code)95
To Make a Diagnosis95
To Display Memorized Error Code (Protective Operation)95
Error Codes Table96
Self-Diagnosis Method98
H11 (Indoor/Outdoor Abnormal Communication)98
H12 (Indoor/Outdoor Capacity Rank Mismatched)99
H14 (Indoor Intake Air Temperature Sensor Abnormality)100
H15 (Compressor Temperature Sensor Abnormality)101
H16 (Outdoor Current Transformer)102
H19 (Indoor Fan Motor–DC Motor Mechanism Locked)103
H23 (Indoor Pipe Temperature Sensor Abnormality)104
H27 (Outdoor Air Temperature Sensor Abnormality)105
H28 (Outdoor Pipe Temperature Sensor Abnormality)106
H30 (Compressor Discharge Temperature Sensor Abnormality)107
H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality)108
H33 (Unspecified Voltage between Indoor and Outdoor)109
H34 (Outdoor Heat Sink Temperature Sensor Abnormality)110
H36 (Outdoor Gas Pipe Sensor Abnormality)111
H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality)112
H97 (Outdoor Fan Motor–DC Motor Mechanism Locked)113
H98114
H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry)115
F11 (4-Way Valve Switching Failure)116
F17 (Indoor Standby Units Freezing Abnormality)117
F90 (Power Factor Correction Protection)118
F91 (Refrigeration Cycle Abnormality)119
F93 (Compressor Rotation Failure)120
F95 (Outdoor High Pressure Protection: Cooling or Soft Dry)121
F96 (IPM Overheating)122
F97 (Compressor Overheating)123
F98 (Input over Current Detection)124
F99 (DC Peak Detection)125
Disassembly and Assembly Instructions126
Indoor Electronic Controllers126
Cross Flow Fan and Indoor Fan Motorremoval Procedures126
To Remove Power Electronic Controller126
To Remove Discharge Grille127
To Remove Control Board128
To Remove Cross Flow Fan and Indoor Fan Motor128
Outdoor Electronic Controller Removal Procedure130
Technical Data132
Cool Mode Performance Data132
Heat Mode Performance Data134
Service Data135
Cool Mode Outdoor Air Temperature Characteristic135
Heat Mode Outdoor Air Temperature Characteristic139
Piping Length Correction Factor143
Exploded View and Replacement Parts List144

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