Page 1 – This Air Conditioner contains and operates with refrigerant R32. THIS PRODUCT MUST ONLY BE INSTALLED OR SERVICED BY QUALIFIED PERSONNEL. Refer to National, State, Territory and local legislation, regulations, codes, installation & operation manuals, before the installation, maintenance and/or service of this product. © Panasonic Corporation 2020...
Page 2 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: ○ Single Connection (Single Indoor Unit connects with Single Outdoor Unit) ○ Multiple Connection (Multiple Indoor Unit connect with Single Outdoor Unit) Both connections have different connecting methods.
Page 3: Table Of Contents
19.4 Outdoor Electronic Controller Removal 13.4 New installation, Relocation, Procedure ..........168 Repairing of Refrigerant Cycle System 19.5 To Set Panasonic Comfort Cloud App. The Procedures .......... 81 After Replace Main Printed Circuit Board 13.5 Piping installation of R32 ......82 and Wireless LAN Module ......
Page 4 20. Technical Data ..........181 20.1 Cool Mode Performance Data - Sensible Capacity ............181 20.2 Heat Mode Performance Data ....184 21. Service Data ............186 21.1 Cool Mode Outdoor Air Temperature Characteristic ..........186 21.2 Heat Mode Outdoor Air Temperature Characteristic ..........196 21.3 Piping Length Correction Factor ....206 22.
Page 5: Safety Precautions
1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.  Confirm the type of gas used before installation.  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 to be installed.
Page 6 WARNING  For R32/R410A model, use piping, flare nut and tools which is specified for R32/R410A refrigerant. Using of existing (R22) piping, flare nut and tools may cause abnormally high pressure in the refrigerant cycle (piping), and possibly result in explosion and injury. For R32 and R410A, the same flare nut on the outdoor unit side and pipe can be used.
Page 7 CAUTION Select an installation location which is easy for maintenance. Incorrect installation, service or repair of this air conditioner may increase the risk of rupture and this may result in loss damage or injury and/or property. Power supply connection to the room air conditioner. Use power supply cord 3 x 1.5 mm (3/4 ~ 1.75HP), 3 x 2.5 mm (2.0 ~ 2.5HP) type designation 60245 IEC 57 or heavier cord.
Page 8: Precaution For Using R32 Refrigerant
2. Precaution for Using R32 Refrigerant  Pay careful attention to the following precaution points and the installation work procedures: WARNING When connecting flare at indoor side, make sure that the flare connection is used only once, if torqued up and released, the flare must be remade.
Page 9 CAUTION General  Must ensure the installation of pipe-work shall be kept to a minimum. Avoid use dented pipe and do not allow acute bending.  Must ensure that pipe-work shall be protected from physical damage.  Must comply with national gas regulations, state municipal rules and legislation. Notify relevant authorities in accordance with all applicable regulations.
Page 10 CAUTION 2-10. Checks to electrical devices  Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures.  Initial safety checks shall include but not limit to:- That capacitors are discharged: this shall be done in a safe manner to avoid possibility of sparking. That there is no live electrical components and wiring are exposed while charging, recovering or purging the system.
Page 11 CAUTION Charging procedures  In addition to conventional charging procedures, the following requirements shall be followed. Ensure that contamination of different refrigerants does not occur when using charging equipment. Hoses or lines shall be as short as possible to minimize the amount of refrigerant contained in them. Cylinders shall be kept in an appropriate position according to the instructions.
Page 12: Specifications
3. Specifications Indoor CS-TZ20WKEW CS-TZ25WKEW Model Outdoor CU-TZ20WKE CU-TZ25WKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.75 2.00 2.40 0.85 2.50 3.00 Capacity BTU/h 2560 6820 8180 2900...
Page 13 Indoor CS-TZ20WKEW CS-TZ25WKEW Model Outdoor CU-TZ20WKE CU-TZ25WKE Type Hermetic Motor (Rotary) Hermetic Motor (Rotary) Compressor Motor Type Brushless (6 poles) Brushless (6 poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG30 ASG30 Motor Type DC / Transistor (8-poles) DC / Transistor (8-poles) Input Power 43.8...
Page 14 Indoor CS-TZ20WKEW CS-TZ25WKEW Model Outdoor CU-TZ20WKE CU-TZ25WKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 9.52 (3/8) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) 3 (9.8) ~ 15 (49.2)
Page 15 Indoor CS-TZ35WKEW CS-TZ42WKEW Model Outdoor CU-TZ35WKE CU-TZ42WKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 3.50 3.90 0.85 4.20 4.60 Capacity BTU/h 2900 11900 13300 2900 14300 15700 kcal/h 3010 3350...
Page 16 Indoor CS-TZ35WKEW CS-TZ42WKEW Model Outdoor CU-TZ35WKE CU-TZ42WKE Type Hermetic Motor (Rotary) Hermetic Motor (Rotary) Compressor Motor Type Brushless (6 poles) Brushless (6 poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG30 ASG30 Motor Type DC / Transistor (8-poles) DC / Transistor (8-poles) Input Power 43.8 43.8...
Page 17 Indoor CS-TZ35WKEW CS-TZ42WKEW Model Outdoor CU-TZ35WKE CU-TZ42WKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 12.70 (1/2) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) 3 (9.8) ~ 15 (49.2) I/D &...
Page 18 Indoor CS-TZ50WKEW CS-TZ60WKEW Model Outdoor CU-TZ50WKE CU-TZ60WKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.98 5.00 5.60 0.98 6.00 6.60 Capacity BTU/h 3340 17100 19100 3340 20500 22500 kcal/h 4300 4820...
Page 19 Indoor CS-TZ50WKEW CS-TZ60WKEW Model Outdoor CU-TZ50WKE CU-TZ60WKE Type Hermetic Motor (Rotary) Hermetic Motor (Rotary) Compressor Motor Type Brushless (4 poles) Brushless (4 poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG30 ASG33 Motor Type DC / Transistor (8-poles) DC / Transistor (8-poles) Input Power 43.8 89.0...
Page 20 Indoor CS-TZ50WKEW CS-TZ60WKEW Model Outdoor CU-TZ50WKE CU-TZ60WKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 12.70 (1/2) 6.35 (1/4) / 12.70 (1/2) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 20 (65.6) 3 (9.8) ~ 30 (98.4) I/D &...
Page 21 Indoor CS-TZ71WKEW Model Outdoor CU-TZ71WKE Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. 0.98 7.10 8.20 Capacity BTU/h 3340 24200 28000 kcal/h 6110 7050 Running Current – 9.90 – Input Power 2.24k 2.75k Annual Consumption –...
Page 22 Indoor CS-TZ71WKEW Model Outdoor CU-TZ71WKE Type Hermetic Motor (Rotary) Compressor Motor Type Brushless (4 poles) Output Power 1.70k Type Cross-Flow Fan Material ASG33 Motor Type DC / Transistor (8-poles) Input Power 105.0 Output Power Cool Heat Cool Heat Cool 1070 Speed Heat 1120...
Page 23 Indoor CS-TZ71WKEW Model Outdoor CU-TZ71WKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 15.88 (5/8) Standard length m (ft) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 30 (98.4) I/D & O/D Height different m (ft) 20.0 (65.6) Additional Gas Amount...
Page 24 Indoor CS-RZ20WKEW CS-RZ25WKEW Model Outdoor CU-RZ20WKE CU-RZ25WKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.75 2.00 2.40 0.85 2.50 3.00 Capacity BTU/h 2560 6820 8180 2900 8530 10200 kcal/h 1720 2060...
Page 25 Indoor CS-RZ20WKEW CS-RZ25WKEW Model Outdoor CU-RZ20WKE CU-RZ25WKE Type Hermetic Motor (Rotary) Hermetic Motor (Rotary) Compressor Motor Type Brushless (6 poles) Brushless (6 poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG30 ASG30 Motor Type DC / Transistor (8-poles) DC / Transistor (8-poles) Input Power 43.8 43.8...
Page 26 Indoor CS-RZ20WKEW CS-RZ25WKEW Model Outdoor CU-RZ20WKE CU-RZ25WKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 9.52 (3/8) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) 3 (9.8) ~ 15 (49.2) I/D &...
Page 27 Indoor CS-RZ35WKEW CS-RZ50WKEW Model Outdoor CU-RZ35WKE CU-RZ50WKE Performance Test Condition EUROVENT EUROVENT Phase, Hz Single, 50 Single, 50 Power Supply Min. Mid. Max. Min. Mid. Max. 0.85 3.50 3.90 0.98 5.00 5.40 Capacity BTU/h 2900 11900 13300 3340 17100 18400 kcal/h 3010 3350...
Page 28 Indoor CS-RZ35WKEW CS-RZ50WKEW Model Outdoor CU-RZ35WKE CU-RZ50WKE Type Hermetic Motor (Rotary) Hermetic Motor (Rotary) Compressor Motor Type Brushless (6 poles) Brushless (4 poles) Output Power Type Cross-Flow Fan Cross-Flow Fan Material ASG30 ASG30 Motor Type DC / Transistor (8-poles) DC / Transistor (8-poles) Input Power 43.8 43.8...
Page 29 Indoor CS-RZ35WKEW CS-RZ50WKEW Model Outdoor CU-RZ35WKE CU-RZ50WKE Pipe Diameter (Liquid / Gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) 6.35 (1/4) / 12.70 (1/2) Standard length m (ft) 5.0 (16.4) 5.0 (16.4) Length range (min – max) m (ft) 3 (9.8) ~ 15 (49.2) 3 (9.8) ~ 20 (65.6) I/D &...
Page 30 Example: The indoor units’ combination below is possible to connect to CU-2Z41TBE. (Total nominal capacity of indoor units is between 3.2kW to 6.0kW) 1) Two CS-TZ20WKEW only. (Total nominal cooling capacity is 4.0kW) Remarks for CU-3Z68TBE / CU-3Z52TBE 1. At least two indoor units must be connected.
Page 31 CU-4Z68TBE CU-4Z80TBE CU-5Z90TBE ROOM TYPE 1.6kW CS-MTZ16WKE ● ● ● ● ● ● ● ● ● ● ● ● ● CS-TZ20WKEW 2.0kW ● ● ● ● ● ● ● ● ● ● ● ● ● CS-RZ20WKEW CS-TZ25WKEW 2.5kW ● ●...
Page 32 A single outdoor unit enables air conditioning of up to three separate rooms for CU-3TZ52TBE. OUTDOOR UNIT CONNECTABLE INDOOR UNIT CU-2TZ41TBE CU-2TZ50TBE CU-3TZ52TBE ROOM TYPE 1.6kW CS-MTZ16WKE ● ● ● ● ● ● ● CS-TZ20WKEW 2.0kW ● ● ● ● ● ● ● CS-RZ20WKEW CS-TZ25WKEW 2.5kW ● ● ● ● ●...
Page 33: Features
4. Features  Inverter Technology Wider output power range Energy saving Quick Cooling Quick Heating More precise temperature control  Environment Protection Non-ozone depletion substances refrigerant (R32)  Long Installation Piping Long piping up to 15 meters (3/4 ~ 1.75HP), 20 meters (2.0HP) and 30 meters (2.25 ~ 2.5HP) during single split connection only ...
Page 34: Location Of Controls And Components
5. Location of Controls and Components Indoor Unit 5.1.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW Air Filters Front Panel Auto OFF/ON button • Use when remote control is misplaced or malfunction occurs. Air Purifying Filter Aluminium Fin...
Page 35: Remote Control
Remote Control 5.3.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW Transmitter Remote control display OFF/ON Powerful operation Temperature setting Operation mode Fan speed selection/Quiet operation Sleep operation FAN SPEED/ Airflow direction adjustment QUIET Timer setting Wireless LAN ON/OFF Check 5.3.2...
Page 36: Dimensions
6. Dimensions Indoor Unit 6.1.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW <Top View> <Side View> <Side View> <Front View> Air intake direction Left piping Air outlet Right piping <Bottom View> hole direction hole <Remote Control> 99.5 <Rear View>...
Page 37 6.1.2 CS-TZ60WKEW CS-TZ71WKEW <Top View> <Front View> <Side View> <Side View> Air inlet 1102 direction Right piping Left piping Air outlet hole hole direction <Bottom View> <Remote Control> <Rear View> 41-61 <Remote Control Holder> LIQUID SIDE GAS SIDE Relative position between the indoor unit and the installation plate <Front View> 741.4 Installation plate...
Page 38: Outdoor Unit
Outdoor Unit 6.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE <Top View> Space necessary for installation 67.6 (104.7) 104.9 60.5 100 mm 100 mm 1000 mm 2-way valve at Liquid side Anchor Bolt Pitch (High Pressure) 320 x 570 3-way valve at Gas side (Low Pressure) <Side View>...
Page 39 6.2.3 CU-TZ71WKE <Top View> Space necessary for (131) 34.7 installation 100mm 100mm 1000mm Anchor Bolt Pitch 360.5 × 613 2-way valve at Liquid side (High Pressure) <Side View> 3-way valve at Gas side <Side View> <Front View> (Low Pressure) Unit : mm...
Page 40: Refrigeration Cycle Diagram
7. Refrigeration Cycle Diagram 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 LIQUID EXPANSION TEMP. SIDE VALVE MUFFLER STRAINER SENSOR 2-WAY VALVE PIPE TEMP. INTAKE SENSOR 2 TEMP. SENSOR CONDENSER PIPE TEMP.
Page 41: Cs-Tz50Wkew Cu-Tz50Wke Cs-Tz60Wkew Cu-Tz60Wke Cs-Rz50Wkew Cu-Rz50Wke
CS-TZ50WKEW CU-TZ50WKE CS-TZ60WKEW CU-TZ60WKE CS-RZ50WKEW CU-RZ50WKE INDOOR OUTDOOR LIQUID EXPANSION SIDE MUFFLER STRAINER VALVE 2-WAY PROCESS VALVE TUBE TEMP. PIPE SENSOR TEMP. CONDENSER INTAKE SENSOR 2 TEMP. SENSOR PIPE TEMP. PIPE SENSOR 1 TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY MUFFLER VALVE...
Page 42: Cs-Tz71Wkew Cu-Tz71Wke
CS-TZ71WKEW CU-TZ71WKE INDOOR OUTDOOR LIQUID EXPANSION SIDE STRAINER RECEIVER VALVE 2-WAY PROCESS VALVE TUBE TEMP. PIPE SENSOR TEMP. CONDENSER INTAKE SENSOR 2 TEMP. SENSOR PIPE TEMP. PIPE SENSOR 1 TEMP. SENSOR HEAT EXCHANGER (EVAPORATOR) SIDE 4-WAYS VALVE 3-WAY MUFFLER VALVE ACCUMULATOR TANK SENSOR...
Page 43: Block Diagram
8. Block Diagram Indoor Unit (INDOOR UNIT) RY-PWR FUSE 301 RY-PWR2 SINGLE PHASE POWER SUPPLY TEMP. FUSE TEMP. FUSE (FOR TZ60/71WK ONLY)
Page 44: Outdoor Unit
Outdoor Unit 8.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE...
Page 45 8.2.2 CU-TZ50WKE CU-TZ60WKE CU-TZ71WKE CU-RZ50WKE...
Page 46: Wiring Connection Diagram
9. Wiring Connection Diagram Indoor Unit 9.1.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW ELECTRONIC CONTROLLER (WIFI MODULE) TERMINAL CN-WLAN BOARD (BLK) GR GR GR TEMP. FUSE 102°C REMARKS : CN-WLAN RY-PWR AC308 (BLK) RY-PWR2 : BLUE P : PINK...
Page 47 9.1.2 CS-TZ60WKEW CS-TZ71WKEW RY-PWR ELECTRONIC CONTROLLER (SUB) GROUNDING TERMINAL CN-WLAN CN-WLAN RY-PWR2 (WHT) (BLK) TERMINAL CN-102 CN-103 BOARD (YELLOW) (BROWN) (BLACK) (WHT) (WHT) AC302 ACL501 AC306 CN-DATA 2 CN-DATA 3 (YLW) (YLW) SW01 AC306 (BLK) TEMP. FUSE FUSE301 102°C T3.15A L250V CN-RMT TEMP.
Page 48: Outdoor Unit
Outdoor Unit 9.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE REMARKS YELLOW (YEL) BLACK; (BLK) WHITE; (WHT) TO INDOOR UNIT YELLOW; (YLW) ORANGE; (ORG) YELLOW/GREEN; (YLW/GRN) BLUE (BLU) RED (RED) BLUE; (BLU) (TRADEMARK) REACTOR TERMINAL RED; (RED) BOARD COMPRESSOR TERMINAL BROWN;...
Page 49 9.2.2 CU-TZ50WKE CU-TZ60WKE CU-TZ71WKE CU-RZ50WKE YELLOW (YLW) OR (C) BLUE REMARKS TO INDOOR UNIT (BLU) (RED) BLU : BLUE OR (R) OR (S) BLK : BLACK WHT : WHITE TRADEMARK RED : RED REACTOR COMPRESSOR TERMINAL YLW : YELLOW TERMINAL GRY : GRAY THE PARENTHESIZED BOARD...
Page 50: Electronic Circuit Diagram
10. Electronic Circuit Diagram 10.1 Indoor Unit 10.1.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW ELECTRONIC CONTROLLER (WIFI MODULE) TERMINAL CN-WLAN BOARD (BLK) TEMP. FUSE 102°C GR GR GR CN-WLAN RY-PWR 5V_3 AC308 (BLK) RY-PWR2 (WHT) C401 F301...
Page 51 10.1.2 CS-TZ60WKEW CS-TZ71WKEW C401 CN-WLAN 12V_2 5V_3 (BLK) ELECTRONIC CONTROLLER (SUB) 5V_3 RY-PWR C400 R406 R401 ELECTRONIC R405 NONE RY-PWR CONTROLLER CN-WLAN (WIFI MODULE) RY-PWR2 (WHT) C402 C403 RY-PWR2 NONE NONE CN-102 CN-103 (YELLOW) (BROWN) (BLACK) (WHT) (WHT) AC302 ACL501 AC306 GROUNDING TERMINAL...
Page 52: Outdoor Unit
10.2 Outdoor Unit 10.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) R205 R206 R207 R208 C204 C205 CN-TH FUSE105 OUTDOOR AIR TEMP. (WHT) (15A 250V) SENSOR (THERMISTOR) t° DATA (RED) t°...
Page 53 10.2.2 CU-TZ50WKE CU-TZ60WKE CU-TZ71WKE CU-RZ50WKE TO INDOOR UNIT REACTOR TERMINAL BOARD RAT2 RAT1 (GRY) (GRY) 15.8k 470u OUTDOOR AIR TEMP. SENSOR DATA (THERMISTOR) (RED) t° COMMUNICATION NOISE FILTER CIRCUIT t° FUSE 5 CIRCUIT AC-BLK 4.99k (20A 250V) PIPING TEMP.SENSOR (THERMISTOR) CN–TH1 (BLK) (WHT)
Page 54: Printed Circuit Board
11. Printed Circuit Board 11.1 Indoor Unit 11.1.1 Main Printed Circuit Board 11.1.1.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW AC303 G301 AC304 AC308 AC307 CN-FM CN-CNT CN-WLAN CN-RMT CN-STM1 CN-TH JP1 (Random Auto Restart enable/disable) CN-DISP...
Page 55 11.1.1.2 CS-TZ60WKEW CS-TZ71WKEW AC303 G301 AC304 AC306 CN-FM CN-DATA2 CN-CNT CN-STM2 CN-STM3 CN-STM1 CN-RMT CN-TH CN-DATA3 CN-DISP CN-RCV JP1 (Random Auto Restart enable/disable)
Page 56 11.1.2 Indicator Printed Circuit Board 11.1.2.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW LED203 LED201 LED202 CN-DISP 11.1.2.2 CS-TZ60WKEW CS-TZ71WKEW LED203 LED201 LED202 CN-DISP 11.1.3 Sub Printed Circuit Board 11.1.3.1 CS-TZ60WKEW CS-TZ71WKEW AC302 AC306 ACL501 CN-WLAN CN-102 CN-103...
Page 57 11.1.4 WIFI Module Printed Circuit Board...
Page 58: Outdoor Unit
11.2 Outdoor Unit 11.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE POWER TRANSISTOR (IPM) CN-MTR2 CN-MTR1 CN-HOT CN-TH CN-TANK CN-STM AC-WHT DATA AC-BLK...
Page 59 11.2.2 CU-TZ50WKE CU-TZ60WKE CU-RZ50WKE POWER TRANSISTOR (IPM) CN-MTR2 CURRENT TRANSFORMER (CT) CN-MTR1 CN-STM1 CN-TH1 CN-HOT DATA CN-TANK AC-WHT AC-BLK...
Page 60 11.2.3 CU-TZ71WKE POWER TRANSISTOR (IPM) CN-MTR2 CURRENT TRANSFORMER (CT) CN-MTR1 CN-STM1 CN-TH1 CN-HOT DATA CN-TANK AC-WHT AC-BLK...
Page 61: Installation Instruction
12. Installation Instruction 12.1 Select the Best Location 12.1.2 Indoor/Outdoor Unit Installation Diagram 12.1.1 Indoor Unit  Do not install the unit in excessive oil fume area Piping direction Attention not to bend up drain hose (Front side) such as kitchen, workshop and etc. Right Right ...
Page 62 / (SF × LFL × h The higher value shall be taken when determining the room area.  This illustration is for explanation purposes only. The indoor unit will actually face a different way. (*) If holder at the rear of chassis (Refer column “12.2.3 Indoor Unit Installation”) need to be used to prop up the unit, this distance shall be 65 mm or more.
Page 63: Indoor Unit
12.2 Indoor Unit 12.2.1 How to Fix Installation Plate The mounting wall shall be strong and solid enough to prevent it from vibration. Ceiling Wall Wall More than More than More screw Indoor unit than 216 mm 168 mm Installation Measuring Tape PIPE PIPE...
Page 64 12.2.2 To Drill a Hole in the Wall and Install a Sleeve of Piping Insert the piping sleeve to the hole. Wall Fix the bushing to the sleeve. Indoor Outdoor Cut the sleeve until it extrudes about 15 mm 15 mm from the wall.
Page 65 12.2.3 Indoor Unit Installation Pull out the Indoor piping ● Do not turn over the unit without shock absorber during pull out the piping. It may cause intake grille damage. ● Use shock absorber during pull out the piping to protect the intake grille from damage. Piping Piping Sho ck absorber...
Page 66 Change the drain hose position Rear view for left piping installation PIPE HOLE CENTER Connection cable 115m m TO HOLE CENTER Piping More than 950 mm Drain hose (3/4 ~ 2.0HP) or Sleeve Connection cable More than 1150 mm Drain hose piping (2.25 ~ 2.5HP) Adjust the piping...
Page 67 S1 2 Terminals on the outdoor unit Colour of wires (connection cable) WARNING Terminals on the indoor unit S1 2 Recommended This equipment length (mm) Connectionfor multi inverter (Power supply cord) must be properly refer table below model (Outdoor power earthed.
Page 68 12.2.5 Connect the Piping 12.2.5.1 Connecting the Piping to Indoor For connection joint of all model (except R32 model) Additional Precautions For R32 Models when connecting by flaring at indoor side Please make flare after inserting flare nut (locate at joint portion of tube assembly) onto the copper pipe.
Page 69 12.2.6 Cutting and Flaring the Piping Please cut using pipe cutter and then remove the burrs. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. Please make flare after inserting the flare nut onto the copper pipes.
Page 70 12.2.9 Evaluation of the Performance  Operate the unit at cooling/heating operation mode for fifteen minutes or more.  Measure the temperature of the intake and discharge air.  Ensure the difference between the intake temperature and the discharge is more than 8°C Discharge air during Cooling operation or more than 14°C during Heating operation.
Page 71: Outdoor Unit
12.3 Outdoor Unit 12.3.1 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 (ø10 mm). Make sure unit install in balance level to ensure that water flow out from unit drainage hole. When installing at roof, please consider strong wind and earthquake.
Page 72 AIR PURGING METHOD IS PROHIBITED FOR R32 SYSTEM 12.3.3 Air Tightness Test on the Refrigerating System Do not purge the air with refrigerants but use a vacuum pump to vacuum the installation. There is no extra refrigerant in the outdoor unit for air purging. ...
Page 73 12.3.4 Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosening the screw. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm (3/4 ~ 1.75HP) or 4 x 2.5 mm (2.0 ~ 2.5HP) flexible cord, type designation 60245 IEC 57 or heavier cord.
Page 74 12.3.8 Proper Pump Down Method Operate air conditioner After 10~15 minutes of pre operation, Take out air conditioner Install New Refrigerant air at cooling mode for close 2 way valve. After 3 minutes, unit. conditioner. 10~15 minutes. close 3 way valve. Most Important Process Only very small Mixed refrigerant &...
Page 75: Installation And Servicing Air Conditioner Using R32
13. Installation and Servicing Air Conditioner using R32 13.1 About R32 Refrigerant For air conditioning refrigerants such as R410A, the refrigerants were collected back in order to prevent their air dissipation, to curbe the global warming impact, in case they were released into the atmosphere. In the “4th Environmental Basic Plan”, 80% reduction of greenhouse gas emissions by 2050 is required, and due to this requirement, further reduction in the emission of high greenhouse effect gas, such as CFCs, is required.
Page 76 2. Characteristic of Pressure As shown in Table 2, R32 does not have much difference in vapor pressure at the same refrigerant temperature comparing to R410A, but comparing to R22, it is higher at 1.6 times more. Thus, the same as in case of R410A, it is necessary to do installation and service using high-pressure tools and components.
Page 77: Refrigerant Piping Installation • Tools Used In Services
13.3 Refrigerant piping installation • Tools used in services 13.3.1 Required Tools R32 refrigerant air conditioners use the common parts as R410A air conditioners for two-way valves and three-way valves (diameters of service ports); thus, they maintain commonality in the maintenance of the compressive strength, the size of pipe flaring, and the size of flare nuts as R410A.
Page 78 3. Torque wrenches (diameters 1/2, 5/8) Manifold gauges / Charging hoses In order to strengthen the compressive strength, the diameters of wrenches change depending on the flare nut sizes. Torque wrenches Differences in charging hoses Differences in torque wrenches (common R410A) Normal 5.1 MPa 3.4 MPa...
Page 79 7. HFC refrigerant_Electric gas leakage tester 9. Refrigerant cylinders R32 refrigerant is often used for other mixed Refrigerant cylinders for R410A are painted in pink, refrigerant (R410A, R404A, R407C etc.). Therefore, and the ones for R32 are painted in other colors that the usage of existing HFC detectors is possible, but in might subject to change according to the international order to detect more accurately, we recommend to...
Page 80 11. Tools used for refrigerant piping installations and services Tools for R410A Common with R32 Possibility of usage for R22 ○ ○ Pipe cutters, reamers or scrapers ○ ○ Flare tools (clutch type) ○ ○ Torque wrench (1/4, 3/8) ○ ×...
Page 81: New Installation, Relocation, Repairing Of Refrigerant Cycle System The Procedures
13.4 New installation, Relocation, Repairing of Refrigerant Cycle System The Procedures Relocation Repairing refrigerant cycle Installation Indoor / outdoor units and piping Pump down Refrigerant recovery • Displacing pipes and wires, and displacing indoor / outdoor units Prevention of impurity •...
Page 82: Piping Installation Of R32
13.5 Piping installation of R32 13.5.1 Pipe materials used and flaring Copper pipes are used for refrigerant piping. Pipes Pipe thickness which comply with JIS Regulations need to be used. Room air conditioners which use R410A and R32 O and OL materials Thickness (mm) have higher pressure;...
Page 83: Installation, Relocation, And Service
13.6 Installation, Relocation, and Service 13.6.1 Air purge and gas leak test for new installation (using new refrigerant pipes) using vacuum pump (From the point of view of global environment protection, do not release CFCs into the atmosphere during installation work) 1.
Page 84 13.6.2 Process of refrigerant recovery 1. Connect the center charging hose of manifold gauge to the in-let side of recovery device. 2. Connect the valves of the discharge side of recovery device and liquid side of refrigerant cylinder with red hose (charging hose).
Page 85 13.6.3 Relocation 1. Removing the air conditioning unit a) Recovery of outdoor unit refrigerant by pumping down Press “forced cooling button” (as a general rule, since 1998 the name of cooling testing button is changed, and this name is unified within the air conditioning industry), and then you are able to start cooling operation in which the room temperature is low, and you can recover the refrigerant from the outdoor unit.
Page 86 13.6.6 Re-insertion of refrigerant in service When re-insertion is needed, follow the procedures to ensure the insertion of new refrigerant at correct amount. 1. Attach charging hose (blue) to the service port of the outdoor unit. 2. Attach charging hose (red) to the vacuum pump. Fully open the 2-way and 3-way valves. 3.
Page 87: Repairing Of Refrigerant Cycle / Brazing Point
13.7 Repairing of refrigerant cycle / Brazing point 13.7.1 Preparation for repairing of refrigerant cycle / brazing Brazing which is a technique needed for repairing refrigerant cycle requires advanced technique and experience, and this brazing procedure can only be performed by the workers who completed “Gas Welding Skill Training” regulated by the Occupational Safety and Health Act, and went through the training programs of refrigerant operations.
Page 88 2. Cylinder without adjustment valve side gauge pressure is adjusted by the adjuster. Check the both side valves of the torch and open the cylinder valve to check the remaining refrigerant in the cylinder. Caution: Do not attach oil component on the connection port of the adjuster. Especially, use an oxygen cylinder adjuster which is no oil substance type.
Page 89 13.7.5 Types of flame Types of flame change based on the proportion of propane and oxygen. [Neutral Flame] Perform brazing with this flame (This is a flame when oxygen and propane are mixed at proper proportion, and has lesser effect on the brazed metals) White core flame 10 ~ 15 mm...
Page 90 13.7.7 Selection of brazing material Use BAg brazing material (silver solder) to increase the welding performance. Tensile strength Composition of ingredients (%) Temperature (°C) Characteristics (Reference) Category Standard Brazing Base Number Solidus Liquidus Kgf•cm applications temp material Liquidity is good at low temperature, 49.0 14.5...
Page 91 13.7.10 Checking of brazing (insert) points 1. No impurity on the brazing point Gap 0.025 ~ 0.05 mm If dirt or oil is attached on the brazing point, the brazing filler metal does not reach to junction, and Inner diameter ø6.45 it may cause poor welding.
Page 92 (Reference) Melting temperature of copper • • • • • • • Approx. 1083°C Maximum temperature obtained in propane and oxygen • • • • • • • Approx. 1083°C The important point is to heat the bonding part uniformly within a short period of time until reaching to the brazing temperature in the following manner.
Page 93: Reference> Analysis Method For No Error Code, No Cooling / No Warming
13.8 <Reference> Analysis method for no error code, no cooling / no warming 13.8.1 Preparation for appropriate diagnosis In order to obtain appropriate operation characteristics, minimum 15 minutes or more operation time [testing operation (rated operation)] is required. 1. Method of rated operation (rated operation) For the models which have two buttons of “emergency operation and forced cooling operation”, press forced cooling button once.
Page 94 1. Measuring temperature 1) Indoor unit suction temperature, release temperature, temperature difference, → Measure by thermometer 2) 2-way valve pipe temperature in cooling mode is low temperature (benchmark：5 ~ 10°C), in heating mode is medium temperature (benchmark：25 ~ 35°C). 3) 3-way valve pipe temperature in cooling mode is low temperature (benchmark：7 ~ 15°C) in heating mode is high temperature (benchmark：38 ~ 50°C).
Page 95: Operation Control
14. Operation Control 14.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting.
Page 96: Indoor Fan Motor Operation
14.1.5 Automatic Operation  This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature.  During operation mode judgment, indoor fan motor (with speed of Lo-) is running for 30 seconds to detect the indoor intake air temperature.
Page 97: Outdoor Fan Motor Operation
[Heating]  According to indoor pipe temperature, automatic heating fan speed is determined as follows. RPM Increased RPM Maintain RPM Reduced Indoor Pipe Temp. B. Feedback control  Immediately after the fan motor started, feedback control is performed once every second. ...
Page 98: Airflow Direction
14.4 Airflow Direction  There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes).  Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger temperature and intake air temperature) and manual (angles of direction can be adjusted using remote control).
Page 99 (TZ20/25/35/42/50WK RZ20/25/35/50WK) Side View (Inner Vane) Closed Position Stopper 110º Reference point Step 1 Step 2 Step 3 Step 4 Step 5 Side View (Outer Vane) Closed Position Stopper 115º Reference point Step 1 Step 2 Step 3 Step 4 Step 5 Figure 2 * The horizontal vane angle tolerance is within +/- 5 degree.
Page 100 (TZ60/71WK) Side View (Inner Vane) Reference point 148º Step 1 Stopper Step 2 Step 3 Closed Position Step 4 Step 5 Side View (Outer Vane) Closed Stopper Position 101º Reference point Step 1 Step 2 Step 3 Step 4 Step 5 Figure 2 * The horizontal vane angle tolerance is within +/- 5 degree.
Page 101: Timer Control
0° Top View A: swing 43°C 40°C B: fix front Indoor Heat Exchanger Temperature Figure 1 Figure 2  Manual horizontal airflow direction can be set using remote control; the angles of the vane are as stated below and the positions of the vane are as Figure 2 above. Pattern Airflow Direction Patterns at Remote...
Page 102: Sleep Mode Operation
14.6 Sleep Mode Operation This operation provide comfortable environment while sleeping. It will automatically adjust the sleep pattern temperature during the activation period. SLEEP (Cancel) This operation is incorporated with the activation timer (0.5, 1, 2, 3, 4, 5, 6, 7, 8 or 9 hours). Start Condition: ...
Page 103: Auto Restart Control
Heating mode i t c Set Temp -1°C 1 Hr Max 9 Hrs  Sleep operation will not undergo temperature shift when it collaborate with below operation. However, it will execute the delay timer. Powerful mode operation Auto mode operation Stop Condition: ...
Page 104: Quiet Operation (Heating)
However, there is no guarantee that the APP will work well with all Android OS version.  The Network Adaptor is designed specifically as a terminal for Panasonic Comfort Cloud app.  The Wireless LAN network coverage must reach the air conditioner installation location.
Page 105 Download on the Play Google • Open • Open Store • Search for Panasonic Comfort Cloud app. • Search for Panasonic Comfort Cloud app. • Download and install. • Download and install. Note  The app user interface image may change for version upgrade without notification.
Page 106 14.12.7 Wireless LAN Failure Diagnosis 14.12.7.1 Between ID Micon and Wireless LAN Module Failure Detect Condition  When module and ID micon (CN-LAN) communication is following below condition. No response against sending data. Reply error against sending data. Regularly sending from AC unit (Every 1 minutes). ...
Page 107: Operation Control (For Multi Split Connection)
15. Operation Control (For Multi Split Connection) During multi split connection, indoor unit’s operation controls are same with single split connection unless specified in this chapter. 15.1 Cooling operation 15.1.1 Thermostat control  Capability supply to indoor unit is OFF (Expansion valve closed) when Intake Air Temperature — Internal setting temperature <...
Page 108: Automatic Operation
15.4 Automatic Operation  This mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake and outdoor air temperature.  During operation mode judgment, indoor fan motor (with speed of -Lo) and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature.
Page 109: Protection Control
16. Protection Control 16.1 Protection Control for All Operations 16.1.1 Restart Control (Time Delay Safety Control)  The Compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing OFF/ON button at remote control within this period. ...
Page 110 Compressor = OFF 103°C 88°C Compressor Frequency Reduce 99°C 87°C Compressor Frequency Limited 96°C 86°C Free Comp. temperature 16.1.5 Low Pressure Prevention Control (Gas Leakage Detection)  Control start conditions For 5 minutes, the compressor continuously operates and outdoor total current is between 0.29A and 0.44A (TZ20/25/35/42WK, RZ20/25/35WK) 0.36A and 0.54A (TZ50/60/71WK, RZ50WK).
Page 111: Protection Control For Cooling & Soft Dry Operation
16.2 Protection Control for Cooling & Soft Dry Operation 16.2.1 Outdoor Air Temperature Control  The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  This control will begin 1 minute after the compressor starts. ...
Page 112: Protection Control For Heating Operation
16.2.5 Dew Prevention Control 1  To prevent dew formation at indoor unit discharge area.  This control will be activated if: Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled. When Cooling or Dry mode is operated more than 20 minutes or more. ...
Page 113 16.3.5 Cold Draught Prevention Control  When indoor pipe temperature is low, cold draught operation starts where indoor fan speed will be reduced. 16.3.6 Deice Operation  When outdoor pipe temperature and outdoor air temperature is low, deice operation start where indoor fan motor and outdoor fan motor stop and operation LED blinks.
Page 114: Servicing Mode
17. Servicing Mode 17.1 Auto OFF/ON Button AUTO OPERATION MODE The Auto 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 malfunction. 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 115: Heat Only Operation
REMOTE CONTROL RECEIVING SOUND OFF/ON MODE The Remote Control Receiving Sound OFF/ON Mode will be activated if the Auto OFF/ON button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the Remote Control Receiving Sound Off/On Mode is in standby condition) and press “AC Reset”...
Page 116 17.2.2 Operation mode during Heating Only Operation  The table below shows the operation mode comparison when Heating Only Operation Mode Activated and Deactivated. Operation Heating Only Operation Mode Activated Heating Only Operation Mode Deactivated Mode After 30s sampling, the unit will judge the operation After 30s sampling, regardless of the indoor intake or mode base on remote controller temperature setting and AUTO...
Page 117: Remote Control Button
17.3 Remote Control Button 17.3.1 SET Button  To check remote control transmission code and store the transmission code to EEPROM. Press “Set” button by using pointer. Press “Timer Set” button until a “beep” sound is heard as confirmation of transmission code change. LCD returns to original display if remote control does not operate for 30 seconds.
Page 118  To limit set temperature range for COOL & DRY, HEAT, AUTO mode. Press “Set” button by using pointer. Press TEMP increment or decrement button to choose No. 3. Press Timer increment or decrement button to select desired temperature low limit of set temperature for COOL &...
Page 119 Press TEMP increment or decrement button to choose No. 5. Press Timer increment or decrement button to select desired temperature low limit of set temperature for HEAT mode. Normal display mode Press SW to enter customer zone & Press SW’s to choose function 5 i) Display latest set temp (Low1).
Page 120 Press TEMP increment or decrement button to choose No. 12. Press Timer increment or decrement button to select desired temperature low limit of set temperature for AUTO mode. Normal display mode Press SW to enter customer zone & Press SW’s to choose function 12 i) Display latest set temp (Low3).
Page 121 17.3.2 RESET (RC)  To clear and restore the remote control setting to factory default. Press once to clear the memory. 17.3.3 RESET (AC)  To restore the unit’s setting to factory default. Press once to restore the unit’s setting. 17.3.4 TIMER ▲...
Page 122 17.3.6 Customization mode LCD display area: Customization display area (highlighted in color) FAN SPEED/ QUIET Function Options (If any) Cannot enter this customization mode under the following conditions: 1 Operation ON. 2 Under [Real/ON/OFF] time setting mode. To enter Customer zone: Normal display Customer Zone mode...
Page 123 Customization list table: Note: The functions described in the table may not be applicable to the model and may subject to change without further notice. Customization Options Remark Name Remote control number selection A, B, C, D Solar radiation sensitivity level adjustment 1, 2, 3, 4, 5 [iAUTO-X/iAUTO/iCOMF, Cool &...
Page 124: Troubleshooting Guide
18. Troubleshooting Guide 18.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no Normal Pressure and Outlet Air Temperature (Standard) electrical problems before inspecting the refrigeration cycle. Gas Pressure Outlet air Temperature Such problems include insufficient insulation, problem with the (kg/cm (°C) power source, malfunction of a compressor and a fan.
Page 125 18.1.1 Relationship Between the Condition of the Air Conditioner and Pressure and Electric Current Cooling Mode Heating Mode Condition of the Electric current Electric current air conditioner Low Pressure High Pressure Low Pressure High Pressure during operation during operation Insufficient refrigerant ...
Page 126: Breakdown Self Diagnosis Function
18.2 Breakdown Self Diagnosis Function 18.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  When the latest abnormality code on the main Once abnormality has occurred during operation, unit and code transmitted from the remote the unit will stop its operation, and Timer LED controller are matched, power LED will light blinks.
Page 127: Error Codes Table
18.3 Error Codes Table Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgment Operation No memory of failure — Normal operation — — Indoor fan only  Indoor/outdoor wire terminal Indoor/outdoor operation can Indoor/outdoor After operation for ...
Page 128 Diagnosis Abnormality / Abnormality Protection Problem Check location display Protection control Judgment Operation  Check indoor/outdoor Wrong wiring and connection wire and connection Abnormal wiring or — — connecting pipe, expansion pipe piping connection valve abnormality  Expansion valve and lead wire and connector ...
Page 129: Self-Diagnosis Method
18.4 Self-diagnosis Method 18.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions  During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused  Faulty indoor unit PCB.
Page 130 18.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) Malfunction Decision Conditions  During startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit or outdoor unit PCBs mounted. ...
Page 131 18.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 132 18.4.4 H15 (Compressor Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.  Faulty sensor.
Page 133 18.4.5 H16 (Outdoor Current Transformer) Malfunction Decision Conditions  An input current, detected by Current Transformer CT, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction Caused  Lack of gas  Broken CT (current transformer) ...
Page 134 18.4.6 H19 (Indoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550 rpm or < 50 rpm) Malfunction Caused ...
Page 135 18.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 136 18.4.8 H27 (Outdoor Air Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 137 18.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 138 18.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 139 18.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection.
Page 140 18.4.12 H33 (Unspecified Voltage between Indoor and Outdoor) Malfunction Decision Conditions  The supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction Caused  Wrong models interconnected.  Wrong indoor unit and outdoor unit PCBs used.  Indoor unit or outdoor unit PCB defective.
Page 141 18.4.13 H34 (Outdoor Heat Sink Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 142 18.4.14 H36 (Outdoor Gas Pipe Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 143 18.4.15 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions  During startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction Caused  Faulty connector connection. ...
Page 144 18.4.16 H97 (Outdoor Fan Motor – DC Motor Mechanism Locked) Malfunction Decision Conditions  The rotation speed detected by the Hall IC during fan motor operation is used to determine abnormal fan motor. Malfunction Caused  Operation stops due to short circuit inside the fan motor winding. ...
Page 145 18.4.17 H98 (Error Code Stored in Memory and no alarm is triggered / no TIMER LED flashing) Malfunction Decision Conditions  Indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation. ...
Page 146 18.4.18 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions  Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C) Malfunction Caused ...
Page 147 18.4.19 F11 (4-way Valve Switching Failure) Malfunction Decision Conditions  When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction Caused ...
Page 148 18.4.20 F17 (Indoor Standby Units Freezing Abnormality) Malfunction Decision Conditions  When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor pipe temperature is below -1.0°C. Remark: When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit(s).
Page 149 18.4.21 F90 (Power Factor Correction Protection) Malfunction Decision Conditions  To maintain DC voltage level supply to power transistor.  To detect high DC voltage level after rectification. Malfunction Caused  During startup and operation of cooling and heating, when Power Factor Correction (PFC) protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors.
Page 150 18.4.22 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions  The input current is low while the compressor is running at higher than the setting frequency. Malfunction Caused  Lack of gas.  3-way valve close. Troubleshooting...
Page 151 18.4.23 F93 (Compressor Rotation Failure) Malfunction Decision Conditions  A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction Caused  Compressor terminal disconnect  Faulty Outdoor PCB  Faulty compressor Troubleshooting...
Page 152 18.4.24 F95 (Outdoor High Pressure Protection: Cooling or Soft Dry) Malfunction Decision Conditions  During operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction Caused ...
Page 153 18.4.25 F96 (IPM Overheating) Malfunction Decision Conditions  During operating of cooling and heating, when IPM temperature data (100°C) is detected by the IPM temperature sensor. Multi Models only Compressor Overheating: During operation of cooling and heating, when the compressor OL is activated. Heat Sink Overheating: During operation of cooling and heating, when heat sink temperature data (90°C) is detected by the heat sink temperature sensor.
Page 154 18.4.26 F97 (Compressor Overheating) Malfunction Decision Conditions  During operation of cooling and heating, when compressor tank temperature data (112°C) is detected by the compressor tank temperature sensor. Malfunction Caused  Faulty compressor tank temperature sensor  2/3 way valve closed ...
Page 155 18.4.27 F98 (Input Over Current Detection) Malfunction Decision Conditions  During operation of cooling and heating, when an input over-current (X value in Total Running Current Control) is detected by checking the input current value being detected by current transformer (CT) with the compressor running.
Page 156 18.4.28 F99 (DC Peak Detection) Malfunction Decision Conditions During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry. Malfunction Caused  DC current peak due to compressor failure. ...
Page 157: Disassembly And Assembly Instructions
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. 19.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW 19.1.1...
Page 158 6. Remove the Particular Piece from the 3 hooks. Figure 3 10. Remove the earth wire screw. 12. Detach all connectors as labelled from the Main Electronic Controller. Then pull out the Main Electronic Controller gently. AC303 11. Pull out the Main Electronic Controller halfway.
Page 159 19.1.1.3 To Remove Discharge Grille 14. Pull out and remove the Drain Hose from the Discharge Grille. 13. Remove the 2 screws of the Discharge Grille. 15. Then pull the Discharge Grille downward gently to dismantle it. Figure 6 19.1.1.4 To Remove Control Board 16.
Page 160 19.1.1.5 To Remove Cross Flow Fan and Indoor Fan Motor 17. Remove the screw that holding the Cross Flow Fan and Fan Motor axis. Figure 8 19. Remove the Bearing by pulling it gently. 18. Remove the screw from the Evaporator. Figure 9...
Page 161 Evaporator 20. Push the holdfast to the left and lift up the Evaporator. 22. Fan Motor can be removed after the removal of the Cross Flow Fan. Reminder: To reinstall the Fan Motor, adjust the Fan Motor connector to 60° towards you before fixing Control Board Cross Flow Fan 21.
Page 162: Cs-Tz60Wkew Cs-Tz71Wkew
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. 19.2 CS-TZ60WKEW CS-TZ71WKEW 19.2.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 19.2.1.1 To Remove Front Grille...
Page 163 AC306 CN-WLAN CN-102 CN-103 Figure 5 19.2.1.3 To Remove Discharge Grille 11. Remove the screw and pull out the WIFI module. Figure 6 12. Pull out and remove the drain hose from the dischargegrille. 13. Then pull the discharge grille downward gently to dismantle it.
Page 164 19.2.1.4 To Remove Control Board Figure 8 19.2.1.5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 9...
Page 165 Figure 10 Figure 11...
Page 166 Figure 12 "Precaution of Maintenance" Removed all electrical parts before doing wet servicing...
Page 167: To Replace Wireless Lan Module (Network Adapter)
Unclip & pull down Remove the top casing by pressing the side of the network adapter box. Press Press After that, network adapter can be easily replaced. Reminder: Serviceman or owner must setting again Panasonic Comfort Cloud app after replace Wireless LAN Module.
Page 168: Outdoor Electronic Controller Removal Procedure
19.4 Outdoor Electronic Controller Removal Procedure 19.4.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove the Control Board as follows: Screws Top Panel Release 3 Terminal Screws Connectors, L, N...
Page 169 19.4.2 CU-TZ50WKE CU-TZ60WKE CU-RZ50WKE Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove the Control Board as follows: Fig. 1 Fig. 4 Remove the 8 screws of the Front Panel. Fig.
Page 170 19.4.3 CU-TZ71WKE Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Panel. Remove 2 screws for the plate of Terminal Board Cover. Top Panel Screw Plate of Terminal Board Cover Screws Screws Screws Fig.
Page 171: After Replace Main Printed Circuit Board And Wireless Lan Module
19.5 To Set Panasonic Comfort Cloud App. After Replace Main Printed Circuit Board and Wireless LAN Module 19.5.1 ‘Panasonic Comfort Cloud’ App Setting Procedure [ After Replace Main Printed Circuit Board] 19.5.1.1 Initial Setup My house My hous e Home...
Page 172 19.5.1.2 Setting Connection Network ConnectionGuide ConnectionGuide ConnectionGuide Step1 Step1 Step2 Step2 Step3 Step3 Step1 Step3 Step 1 Step 3 Step2 Step 2 Make sure smartphone is connected to same wireless network. The router supports WPS. When Wireless LAN LED is ON, tap “Next”. Connect with WPS mode Point the remote control to air - condi oner...
Page 173 5 seconds until “1” is shown on the remote control. Press until “2” is shown on the remote control and press pointing to the air conditioner. Join to connect “Panasonic-CS-wirelessAP” network. Connection Guide Connection Guide Connection Guide Connection Guide...
Page 174 When connection of air conditioner to router is successful, the Wireless LAN LED will changed from blinking to ON. If the Wireless LAN LED is ON, connect the smartphone to wireless router. (return to this application after completing the wireless network settings to continue the setup) •...
Page 175 Keep password for future used on helps identify it. additional user registration. ● By registered the new name of air conditioner, the function of “Panasonic Comfort Cloud” app is ready to be used. My house By registered the new name of air 16.May 15:50...
Page 176 19.5.2 ‘Panasonic Comfort Cloud’ App Setting Procedure [After Replace Wireless LAN Module] 19.5.2.1 Initial Setup (Method 1) My house My hous e Menu Home My Hous e Living room Living room Owner 30.0C 16.May 15:50 16.May 15:50 User list Bedroom 1...
Page 177 19.5.2.2 Initial Setup (Method 2) My house My hous e Home Menu My Hous e Living room Living room Owner 30.0C 16.May 15:50 16.May 15:50 User list Bedroom 1 Change password Cool Cool Replace device Change router settings Device list Group list Application settings User’s manual...
Page 178 19.5.2.3 Setting Connection Network ConnectionGuide ConnectionGuide ConnectionGuide Step1 Step1 Step2 Step2 Step3 Step3 Step1 Step2 Step3 Step 1 Step 2 Step 3 Make sure smartphone is connected to same wireless network. The router supports WPS. When Wireless LAN LED is ON, tap “Next”. Connect with WPS mode Point the remote control to air - condi oner...
Page 179 5 seconds until “1” is shown on the remote control. Press until “2” is shown on the remote control and press pointing to the air conditioner. Join to connect “Panasonic-CS-wirelessAP” network. Connection Guide Connection Guide Connection Guide Connection Guide...
Page 180 When connection of air conditioner to router is successful, the Wireless LAN LED will changed from blinking to ON. If the Wireless LAN LED is ON, connect the smartphone to wireless router. (return to this application after completing the wireless network settings to continue the setup) •...
Page 181: Technical Data
Unit setting: Standard piping length, Hi Fan, Cool mode at 16°C Voltage: 230V 20.1.1 CS-TZ20WKEW CU-TZ20WKE Indoor (°C) Outdoor DB (°C) 2453 2166 279 2395 2146 338 2344 2132 365 2175 2050 419 2408 2159 296 2256 2084 385 2000 1978 490 2613 1646 295 2505 1631 362 2531 1634 327 2489 1617 349 2565 1663 294 2444 1606 389 2223 1519 493 15.7 2280 2169 266 2194 2116 316 2017 1976 354 2010 1970 401 2170 2125 306 1967 1928 390 1781 1745 480...
Page 182 20.1.4 CS-RZ25WKEW CU-RZ25WKE Indoor (°C) Outdoor DB (°C) 3036 2546 375 2964 2522 456 2901 2506 491 2692 2410 565 2979 2538 398 2792 2450 519 2500 2347 660 3234 1934 397 3100 1916 487 3132 1920 441 3081 1901 471 3174 1954 396 3024 1888 524 2750 1785 665 15.7 2821 2550 358 2715 2487 425 2496 2373 477 2487 2386 540 2685 2498 412 2434 2374 525 2204 2160 647 18.4 2969 1936 372 2927 1968 451 2717 1850 517 2811 1882 457 2933 1963 406 2687 1825 526 2448 1737 658 13.3 2455 2372 264 2551 2447 397 2306 2291 445 2376 2340 430 2504 2395 417 2356 2322 526 2013 1972 639...
Page 183 20.1.8 CS-TZ50WKEW CU-TZ50WKE CS-RZ50WKEW CU-RZ50WKE Indoor (°C) Outdoor DB (°C) 5403 3622 1174 5428 3645 1167 5450 3592 1174 5295 3613 1366 5961 3900 933 5557 3812 1238 5000 3627 1600 5960 2914 1187 5865 2911 1291 5894 2905 1255 6130 2979 1088 6565 3168 893 6089 2993 1223 5429 2806 1607 15.7 4826 3585 1256 4862 3571 1200 4813 3537 1313 4843 3511 1281 5370 3770 964 4981 3653 1250 4406 3499 1600 18.4 5336 2890 1174 5374 2885 1136 5410 2904 1174 5206 2853 1338 5708 3021 940 5434 2981 1240 4884 2796 1602 13.3 4286 3354 1436 4247 3310 1201 4585 3514 1257 4449 3392 1311 5052 3766 985 4588 3563 1254 4093 3338 1597...
Page 184: Heat Mode Performance Data
20.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 30°C Voltage: 230V 20.2.1 CS-TZ20WKEW CU-TZ20WKE Indoor (°C) Outdoor WB (°C) 1614 2105 2500 2501 2720 1628 2140 2610 2700 2879 1573 2179 2747 2683 3088 20.2.2...
Page 185 20.2.7 CS-TZ42WKEW CU-TZ42WKE Indoor (°C) Outdoor WB (°C) 3064 1513 3874 1772 4697 1823 4728 1340 5082 1353 3092 1404 3900 1700 4930 1810 5000 1340 5290 1349 3217 1395 4103 1629 4918 1789 5266 1339 5558 1349 20.2.8 CS-TZ50WKEW CU-TZ50WKE CS-RZ50WKEW CU-RZ50WKE Indoor (°C) Outdoor WB (°C) 3656...
Page 186: Service Data
Condition Indoor room temperature: 27°C Dry Bulb/19°C Wet Bulb Unit setting: Standard piping length, forced cooling at 16°C, Hi fan Compressor frequency: Rated for cooling operation Piping length: 5m Voltage: 230V 21.1.1 CS-TZ20WKEW CU-TZ20WKE 20.00 19.00 18.00 17.00 16.00 15.00 14.00...
Page 187 21.1.2 CS-RZ20WKEW CU-RZ20WKE 20.00 19.00 18.00 17.00 16.00 15.00 14.00 Outdoor Air Temperature (°C) 3.00 2.50 2.00 1.50 1.00 Outdoor Air Temperature (°C) 1.30 1.25 1.20 1.15 1.10 1.05 1.00 0.95 0.90 Outdoor Air Temperature (°C)
Page 188 21.1.3 CS-TZ25WKEW CU-TZ25WKE 18.00 17.00 16.00 15.00 14.00 13.00 12.00 Outdoor Air Temperature (°C) 3.50 3.00 2.50 2.00 1.50 1.00 0.50 Outdoor Air Temperature (°C) 1.20 1.15 1.10 1.05 1.00 0.95 0.90 Outdoor Air Temperature (°C)
Page 189 21.1.4 CS-RZ25WKEW CU-RZ25WKE 18.00 17.00 16.00 15.00 14.00 13.00 12.00 Outdoor Air Temperature (°C) 3.50 3.00 2.50 2.00 1.50 1.00 0.50 Outdoor Air Temperature (°C) 1.20 1.15 1.10 1.05 1.00 0.95 0.90 Outdoor Air Temperature (°C)
Page 190 21.1.5 CS-TZ35WKEW CU-TZ35WKE 17.00 16.00 15.00 14.00 13.00 12.00 11.00 Outdoor Air Temperature (°C) 5.20 4.80 4.40 4.00 3.60 3.20 2.80 2.40 2.00 Outdoor Air Temperature (°C) 1.20 1.10 1.00 0.90 0.80 0.70 0.60 Outdoor Air Temperature (°C)
Page 191 21.1.6 CS-RZ35WKEW CU-RZ35WKE 17.00 16.00 15.00 14.00 13.00 12.00 11.00 Outdoor Air Temperature (°C) 5.20 4.80 4.40 4.00 3.60 3.20 2.80 2.40 2.00 Outdoor Air Temperature (°C) 1.20 1.10 1.00 0.90 0.80 0.70 0.60 Outdoor Air Temperature (°C)
Page 192 21.1.7 CS-TZ42WKEW CU-TZ42WKE 15.00 14.50 14.00 13.50 13.00 12.50 12.00 11.50 11.00 Outdoor Air Temperature (°C) 7.50 6.50 5.50 4.50 3.50 2.50 1.50 Outdoor Air Temperature (°C) 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 Outdoor Air Temperature (°C)
Page 193 21.1.8 CS-TZ50WKEW CU-TZ50WKE CS-RZ50WKEW CU-RZ50WKE Outdoor Air Temperature (°C) Outdoor Air Temperature (°C) Outdoor Air Temperature (°C)
Page 194 21.1.9 CS-TZ60WKEW CU-TZ60WKE 15.5 14.5 13.5 12.5 11.5 Outdoor Air Temperature (°C) 12.00 11.00 10.00 9.00 8.00 7.00 6.00 5.00 4.00 Outdoor Air Temperature (°C) 3.20 3.10 3.00 2.90 2.80 Outdoor Air Temperature (°C)
Page 195 21.1.10 CS-TZ71WKEW CU-TZ71WKE 14.5 13.5 12.5 11.5 Outdoor Air Temperature (°C) 12.00 11.00 10.00 9.00 8.00 7.00 6.00 5.00 Outdoor Air Temperature (°C) 1.00 0.90 0.80 Outdoor Air Temperature (°C)
Page 196: Heat Mode Outdoor Air Temperature Characteristic
Indoor room temperature: 20°C Dry Bulb/ -°C Wet Bulb Unit setting: Standard piping length, forced heating at 30°C, Hi fan Compressor frequency: Rated for Heating operation Piping length: 5m Voltage: 230V 21.2.1 CS-TZ20WKEW CU-TZ20WKE Outdoor Air Temperature (°C) 3.50 3.25 3.00 2.75 2.50...
Page 197 21.2.2 CS-RZ20WKEW CU-RZ20WKE Outdoor Air Temperature (°C) 3.50 3.25 3.00 2.75 2.50 2.25 2.00 1.75 1.50 Outdoor Air Temperature (°C) 3.00 2.50 2.00 1.50 1.00 0.50 Outdoor Air Temperature (°C)
Page 198 21.2.3 CS-TZ25WKEW CU-TZ25WKE Outdoor Air Temperature (°C) 4.50 4.00 3.50 3.00 2.50 2.00 1.50 Outdoor Air Temperature (°C) 3.00 2.50 2.00 1.50 1.00 0.50 Outdoor Air Temperature (°C)
Page 199 21.2.4 CS-RZ25WKEW CU-RZ25WKE Outdoor Air Temperature (°C) 4.50 4.00 3.50 3.00 2.50 2.00 1.50 Outdoor Air Temperature (°C) 3.00 2.50 2.00 1.50 1.00 0.50 Outdoor Air Temperature (°C)
Page 200 21.2.5 CS-TZ35WKEW CU-TZ35WKE Outdoor Air Temperature (°C) 4.70 4.50 4.30 4.10 3.90 3.70 3.50 3.30 3.10 2.90 2.70 Outdoor Air Temperature (°C) 3.00 2.80 2.60 2.40 2.20 2.00 1.80 1.60 1.40 1.20 Outdoor Air Temperature (°C)
Page 201 21.2.6 CS-RZ35WKEW CU-RZ35WKE Outdoor Air Temperature (°C) 5.10 4.90 4.70 4.50 4.30 4.10 3.90 3.70 3.50 3.30 3.10 2.90 2.70 Outdoor Air Temperature (°C) 3.00 2.80 2.60 2.40 2.20 2.00 1.80 1.60 1.40 1.20 Outdoor Air Temperature (°C)
Page 202 21.2.7 CS-TZ42WKEW CU-TZ42WKE Outdoor Air Temperature (°C) 7.00 6.50 6.00 5.50 5.00 4.50 4.00 Outdoor Air Temperature (°C) 3.50 3.30 3.10 2.90 2.70 2.50 2.30 2.10 1.90 1.70 Outdoor Air Temperature (°C)
Page 203 21.2.8 CS-TZ50WKEW CU-TZ50WKE CS-RZ50WKEW CU-RZ50WKE Outdoor Air Temperature (°C) 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.00 Outdoor Air Temperature (°C) 4.00 3.50 3.00 2.50 2.00 1.50 Outdoor Air Temperature (°C)
Page 204 21.2.9 CS-TZ60WKEW CU-TZ60WKE 60.00 55.00 50.00 45.00 40.00 35.00 30.00 25.00 -16 -14 -12 -10 -8 -6 -4 -2 8 10 12 14 16 18 20 22 24 26 Outdoor Air Temperature (°C) 13.00 12.00 11.00 10.00 9.00 8.00 7.00 6.00 -16 -14 -12 -10 -8 -6 -4 -2 8 10 12 14 16 18 20 22 24 26...
Page 205 21.2.10 CS-TZ71WKEW CU-TZ71WKE 60.00 55.00 50.00 45.00 40.00 35.00 30.00 25.00 -16 -14 -12 -10 -8 -6 -4 -2 8 10 12 14 16 18 20 22 24 26 Outdoor Air Temperature (°C) 15.00 14.00 13.00 12.00 11.00 10.00 9.00 8.00 7.00 6.00...
Page 206: Piping Length Correction Factor
21.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 21.3.1 CS-TZ20WKEW CU-TZ20WKE CS-TZ25WKEW CU-TZ25WKE CS-RZ20WKEW CU-RZ20WKE CS-RZ25WKEW CU-RZ25WKE 1.02 1.00 0.98 0.96 0.94 0.92 Pipe Length (m) 1.04 1.02 1.00...
Page 207 21.3.3 CS-TZ42WKEW CU-TZ42WKE 1.02 1.00 0.98 0.96 0.94 0.92 Pipe Length (m) 1.04 1.02 1.00 0.98 0.96 0.94 0.92 0.90 Pipe Length (m) Note: The graphs show the factor after added right amount of additional refrigerant. 21.3.4 CS-TZ50WKEW CU-TZ50WKE CS-RZ50WKEW CU-RZ50WKE 1.04 1.00 0.96...
Page 208 21.3.5 CS-TZ60WKEW CU-TZ60WKE 1.03 1.02 1.01 1.00 0.99 0.98 0.97 0.96 0.95 2 3 4 5 6 7 8 9 1011121314 151617181920212223242526272829303132 Pipe Length (m) 1.01 1.00 0.99 0.98 0.97 0.96 0.95 0.94 0.93 0.92 2 3 4 5 6 7 8 9 1011121314 151617181920212223242526272829303132 Pipe Length (m) Note: The graphs show the factor after added right amount of additional refrigerant.
Page 209: Exploded View And Replacement Parts List
22. Exploded View and Replacement Parts List 22.1 Indoor Unit 22.1.1 CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW CS-TZ42WKEW CS-TZ50WKEW CS-RZ20WKEW CS-RZ25WKEW CS-RZ35WKEW CS-RZ50WKEW CWH55025J CWH55051AJ 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 210 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW REMARK CHASSIS COMPLETE ACXD50C03410 ← ← FAN MOTOR L6CBYYYL0311 ← ← CROSS-FLOW FAN COMPLETE ACXH02C01190 ← ← BEARING ASSY CWH64K1006 ← ← SCREW - CROSS-FLOW FAN CWH551146 ← ← EVAPORATOR...
Page 211 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-TZ20WKEW CS-TZ25WKEW CS-TZ35WKEW REMARK INSTALLATION INSTRUCTION ACXF60-38610 ← ← INSTALLATION INSTRUCTION ACXF60-38620 ← ← INSTALLATION INSTRUCTION ACXF60-38630 ← ← ACXG86-00190 ← ← SHOCK ABSORBER (L) ACXG70-11650 ← ← SHOCK ABSORBER (R) ACXG70-11660 ←...
Page 212 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-TZ42WKEW CS-TZ50WKEW REMARK CHASSIS COMPLETE ACXD50C03410 ← FAN MOTOR L6CBYYYL0311 ← CROSS-FLOW FAN COMPLETE ACXH02C01190 ← BEARING ASSY CWH64K1006 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR ACXB30C29360 ← FLARE NUT (LIQUID) CWT251048 ←...
Page 213 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-TZ42WKEW CS-TZ50WKEW REMARK INSTALLATION INSTRUCTION ACXF60-38620 ← INSTALLATION INSTRUCTION ACXF60-38630 ← ACXG86-00190 ← SHOCK ABSORBER (L) ACXG70-11650 ← SHOCK ABSORBER (R) ACXG70-11660 ← C.C.CASE ACXG50-54750 ← MODEL LABEL ACXF85-34700 ACXF85-34710 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).
Page 214 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-RZ20WKEW CS-RZ25WKEW REMARK CHASSIS COMPLETE ACXD50C03410 ← FAN MOTOR L6CBYYYL0311 ← CROSS-FLOW FAN COMPLETE ACXH02C01190 ← BEARING ASSY CWH64K1006 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR ACXB30C29310 ACXB30C28590 FLARE NUT (LIQUID) CWT251048 ←...
Page 215 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-RZ20WKEW CS-RZ25WKEW REMARK INSTALLATION INSTRUCTION ACXF60-38620 ← INSTALLATION INSTRUCTION ACXF60-38630 ← ACXG86-00190 ← SHOCK ABSORBER (L) ACXG70-11650 ← SHOCK ABSORBER (R) ACXG70-11660 ← C.C.CASE ACXG50-54750 ← MODEL LABEL ACXF85-34370 ACXF85-34600 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).
Page 216 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-RZ35WKEW CS-RZ50WKEW REMARK CHASSIS COMPLETE ACXD50C03410 ← FAN MOTOR L6CBYYYL0311 ← CROSS-FLOW FAN COMPLETE ACXH02C01190 ← BEARING ASSY CWH64K1006 ← SCREW - CROSS-FLOW FAN CWH551146 ← EVAPORATOR ACXB30C28590 ACXB30C29360 FLARE NUT (LIQUID) CWT251048 ←...
Page 217 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-RZ35WKEW CS-RZ50WKEW REMARK INSTALLATION INSTRUCTION ACXF60-38620 ← INSTALLATION INSTRUCTION ACXF60-38630 ← ACXG86-00190 ← SHOCK ABSORBER (L) ACXG70-11650 ← SHOCK ABSORBER (R) ACXG70-11660 ← C.C.CASE ACXG50-54750 ← MODEL LABEL ACXF85-34620 ACXF85-34720 (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).
Page 218 22.1.2 CS-TZ60WKEW CS-TZ71WKEW CWH55025J CWH55051AJ 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 219 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-TZ60WKEW CS-TZ71WKEW REMARK CHASSIS COMPLETE ACXD50C01591 ← FAN MOTOR L6CBYYYL0193 L6CBYYYL0194 CROSS-FLOW FAN COMPLETE CWH02C1136 ← BEARING ASSY CWH64K1010 ← SCREW - CROSS-FLOW FAN CWH551146 ← PARTICULAR PIECE CWD933067B ← EVAPORATOR ACXB30C24650 ACXB30C24560 FLARE NUT (LIQUID) CWT251030...
Page 220 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CS-TZ60WKEW CS-TZ71WKEW REMARK INSTALLATION INSTRUCTION ACXF60-38550 ← INSTALLATION INSTRUCTION ACXF60-38560 ← INSTALLATION INSTRUCTION ACXF60-38570 ← INSTALLATION INSTRUCTION ACXF60-38580 ← INSTALLATION INSTRUCTION ACXF60-38590 ← INSTALLATION INSTRUCTION ACXF60-38600 ← INSTALLATION INSTRUCTION ACXF60-38610 ← INSTALLATION INSTRUCTION ACXF60-38620 ←...
Page 221: Outdoor Unit
22.2 Outdoor Unit 22.2.1 CU-TZ20WKE CU-TZ25WKE CU-TZ35WKE CU-TZ42WKE CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE 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 222 ACXB81-06510 ← BAG - COMPLETE CWG87C900 ← V-COIL COMPLETE (EXP. VALVE) ACXA43C06110 ← STRAINER CWB11094 ← DISCHARGE MUFFLER CWB121021 ← PANASONIC BADGE CWE373439 ← INSTALLATION INSTRUCTION ACXF60-38420 ← INSTALLATION INSTRUCTION ACXF60-38430 ← INSTALLATION INSTRUCTION ACXF60-38440 ← INSTALLATION INSTRUCTION ACXF60-38450 ←...
Page 223 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-TZ20WKE CU-TZ25WKE REMARK INSTALLATION INSTRUCTION ACXF60-38470 ← INSTALLATION INSTRUCTION ACXF60-38480 ← INSTALLATION INSTRUCTION ACXF60-38490 ← INSTALLATION INSTRUCTION ACXF60-38500 ← INSTALLATION INSTRUCTION ACXF60-38510 ← INSTALLATION INSTRUCTION ACXF60-38520 ← CWG861078 ← BASE BOARD - COMPLETE CWG62C1223 ←...
Page 224 BAG - COMPLETE CWG87C900 ← V-COIL COMPLETE (EXP. VALVE) ACXA43C06110 ← STRAINER CWB11094 ← DISCHARGE MUFFLER CWB121021 ← DISCHARGE MUFFLER CWB121065 PANASONIC BADGE CWE373439 ← INSTALLATION INSTRUCTION ACXF60-38420 ← INSTALLATION INSTRUCTION ACXF60-38430 ← INSTALLATION INSTRUCTION ACXF60-38440 ← INSTALLATION INSTRUCTION ACXF60-38450 ←...
Page 225 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-TZ35WKE CU-TZ42WKE REMARK INSTALLATION INSTRUCTION ACXF60-38470 ← INSTALLATION INSTRUCTION ACXF60-38480 ← INSTALLATION INSTRUCTION ACXF60-38490 ← INSTALLATION INSTRUCTION ACXF60-38500 ← INSTALLATION INSTRUCTION ACXF60-38510 ← INSTALLATION INSTRUCTION ACXF60-38520 ← CWG861078 ← BASE BOARD - COMPLETE CWG62C1223 ←...
Page 226 BAG - COMPLETE CWG87C900 ← ← V-COIL COMPLETE (EXP. VALVE) ACXA43C06110 ← ← STRAINER CWB11094 ← ← DISCHARGE MUFFLER CWB121021 ← ← PANASONIC BADGE CWE373439 ← ← INSTALLATION INSTRUCTION ACXF60-38420 ← ← INSTALLATION INSTRUCTION ACXF60-38430 ← ← INSTALLATION INSTRUCTION ACXF60-38440 ← ←...
Page 227 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-RZ20WKE CU-RZ25WKE CU-RZ35WKE REMARK INSTALLATION INSTRUCTION ACXF60-38470 ← ← INSTALLATION INSTRUCTION ACXF60-38480 ← ← INSTALLATION INSTRUCTION ACXF60-38490 ← ← INSTALLATION INSTRUCTION ACXF60-38500 ← ← INSTALLATION INSTRUCTION ACXF60-38510 ← ← INSTALLATION INSTRUCTION ACXF60-38520 ←...
Page 228 22.2.2 CU-TZ50WKE CU-TZ60WKE CU-RZ50WKE 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 229 ← ← V-COIL COMPLETE (EXP. VALVE) ACXA43C06110 ← ← DISCHARGE MUFFLER CWB121058 ← ← STRAINER CWB11094 ← ← PANASONIC BADGE CWE373439 ← ← BAG - COMPLETE CWG87C900 ← ← SOUND PROOF MATERIAL CWG302952 ← ← SOUND PROOF MATERIAL CWG302745 ←...
Page 230 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-TZ50WKE CU-TZ60WKE CU-RZ50WKE REMARK INSTALLATION INSTRUCTION ACXF60-38460 ← ← INSTALLATION INSTRUCTION ACXF60-38470 ← ← INSTALLATION INSTRUCTION ACXF60-38480 ← ← INSTALLATION INSTRUCTION ACXF60-38490 ← ← INSTALLATION INSTRUCTION ACXF60-38500 ← ← INSTALLATION INSTRUCTION ACXF60-38510 ←...
Page 231 22.2.3 CU-TZ71WKE 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 232 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. CU-TZ71WKE REMARK CHASSIS COMPLETE ACXD52K00280 FAN MOTOR BRACKET ACXD54-00140 SCREW - FAN MOTOR BRACKET CWH551217 FAN MOTOR L6CAYYYL0076 SCREW - FAN MOTOR MOUNT CWH551106J PROPELLER FAN ASSY ACXH03K00070 NUT - PROPELLER FAN CWH56053J ANTI - VIBRATION BUSHING CWH50055...
Page 233 QTY. CU-TZ71WKE REMARK INSTALLATION INSTRUCTION ACXF60-38480 INSTALLATION INSTRUCTION ACXF60-38490 INSTALLATION INSTRUCTION ACXF60-38500 INSTALLATION INSTRUCTION ACXF60-38510 O-RING ACXB81-06510 PANASONIC BADGE CWE373439 INSTALLATION INSTRUCTION ACXF60-38520 CWG861461 BASE BOARD COMPLETE ACXG62C00230 SHOCK ABSORBER (L) CWG713217 SHOCK ABSORBER (R) CWG713218 C. C. CASE ACXG50-48881...

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Panasonic CS-TZ20WKEW Service Manual

1 Safety Precautions

2 Precaution for Using R32 Refrigerant

3 Specifications

4 Features

5 Location of Controls and Components

6 Dimensions

7 Refrigeration Cycle Diagram

8 Block Diagram

9 Wiring Connection Diagram

10 Electronic Circuit Diagram

11 Printed Circuit Board

12 Installation Instruction

13 Installation and Servicing Air Conditioner Using R32

14 Operation Control

15 Operation Control (for Multi Split Connection)

16 Protection Control

17 Servicing Mode

18 Troubleshooting Guide

19 Disassembly and Assembly Instructions

20 Technical Data

21 Service Data

22 Exploded View and Replacement Parts List

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Summary of Contents for Panasonic CS-TZ20WKEW

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