Panasonic CS-TZ20WKEW

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7. Refrigeration Cycle Diagram

7.1 CS-TZ20WKEW CU-TZ20WKE CS-TZ25WKEW CU-TZ25WKE

CS-TZ35WKEW CU-TZ35WKE CS-TZ42WKEW CU-TZ42WKE

CS-RZ20WKEW CU-RZ20WKE CS-RZ25WKEW CU-RZ25WKE

CS-RZ35WKEW CU-RZ35WKE

INDOOR OUTDOOR

INTAKE

AIR

TEMP.

SENSOR

AIR

TEMP.

SENSOR

PIPE

TEMP.

SENSOR 1

PIPE

TEMP.

SENSOR 2

TANK

SENSOR

PIPE

TEMP.

SENSOR

LIQUID

SIDE

2-WAY

VALVE

3-WAY

VALVE

GAS

SIDE

COOLING

HEAT EXCHANGER

(EVAPORATOR)

HEATING

COMPRESSOR

4-WAYS VALVE

CONDENSER

MUFFLER

STRAINER

EXPANSION

VALVE

MUFFLER

(For TZ20/25WK,

RZ20/25WK &

TZ42WK only)

MUFFLER

(For TZ20/25WK &

RZ20/25WK only)

MUFFLER

Main Page

Default Chapter3
- Table of Contents3
1 Safety Precautions5
2 Precaution for Using R32 Refrigerant8
3 Specifications12
4 Features33
5 Location of Controls and Components34
- Indoor Unit34
- Outdoor Unit34
- Remote Control35
6 Dimensions36
- Indoor Unit36
- Outdoor Unit38
7 Refrigeration Cycle Diagram40
- Cs-Tz20Wkew Cu-Tz20Wke40
- Cs-Rz35Wkew Cu-Rz35Wke40
- Cs-Tz50Wkew Cu-Tz50Wke Cs-Tz60Wkew Cu-Tz60Wke Cs-Rz50Wkew Cu-Rz50Wke41
- Cs-Tz71Wkew Cu-Tz71Wke42
8 Block Diagram43
- Indoor Unit43
- Outdoor Unit44
9 Wiring Connection Diagram46
- Indoor Unit46
- Outdoor Unit48
10 Electronic Circuit Diagram50
- Indoor Unit50
- Outdoor Unit52
11 Printed Circuit Board54
- Indoor Unit54
- Outdoor Unit58
12 Installation Instruction61
- Select the Best Location61
- Indoor Unit63
- Outdoor Unit71
13 Installation and Servicing Air Conditioner Using R3275
- About R32 Refrigerant75
- Characteristics of R32 Refrigerant75
- Refrigerant Piping Installation • Tools Used in Services77
- New Installation, Relocation, Repairing of Refrigerant Cycle System the Procedures81
- Piping Installation of R3282
- Installation, Relocation, and Service83
- Repairing of Refrigerant Cycle / Brazing Point87
- Reference> Analysis Method for no Error Code, no Cooling / no Warming93
14 Operation Control95
- Basic Function95
- Indoor Fan Motor Operation96
- Outdoor Fan Motor Operation97
- Airflow Direction98
- Timer Control101
- Sleep Mode Operation102
- Auto Restart Control103
- Indication Panel103
- Quiet Operation (Cooling Mode/Cooling Area of Dry Mode)103
- Quiet Operation (Heating)104
- Powerful Mode Operation104
- Wireless LAN Control104
15 Operation Control (for Multi Split Connection)107
- Cooling Operation107
- Soft Dry Operation107
- Heating Operation107
- Automatic Operation108
- Indoor Fan Motor Operation108
- Powerful Mode Operation108
- Auto Restart Control108
- Indication Panel108
16 Protection Control109
- Protection Control for All Operations109
- Protection Control for Cooling & Soft Dry Operation111
- Protection Control for Heating Operation112
17 Servicing Mode114
- Auto OFF/ON Button114
- Heat Only Operation115
- Remote Control Button117
18 Troubleshooting Guide124
- Refrigeration Cycle System124
- Breakdown Self Diagnosis Function126
- Error Codes Table127
- Self-Diagnosis Method129
19 Disassembly and Assembly Instructions157
- Cs-Tz50Wkew Cs-Rz20Wkew157
- Cs-Rz50Wkew157
- Cs-Tz60Wkew Cs-Tz71Wkew162
- To Replace Wireless LAN Module (Network Adapter)167
- Outdoor Electronic Controller Removal Procedure168
  - After Replace Main Printed Circuit Board and Wireless LAN Module171
20 Technical Data181
- Cool Mode Performance Data - Sensible Capacity181
- Heat Mode Performance Data184
21 Service Data186
- Cool Mode Outdoor Air Temperature Characteristic186
- Heat Mode Outdoor Air Temperature Characteristic196
- Piping Length Correction Factor206
22 Exploded View and Replacement Parts List209
- Indoor Unit209
- Outdoor Unit221

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