Panasonic CU-2TZ41TBE Service Manual
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Panasonic CU-2TZ41TBE Service Manual

Outdoor unit
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Please file and use this manual together with the service manual for Model No. CS-MTZ16TKE CS-TZ20TKEW CS-TZ25TKEW
CS-TZ35TKEW CS-TZ42TKEW CS-TZ50TKEW CS-TE20TKEW CS-TE25TKEW CS-TE35TKEW CS-TE42TKEW CS-TE50TKEW
CS-TZ20TKEW-1 CS-TZ25TKEW-1 CS-TZ35TKEW-1 CS-TZ42TKEW-1 Order No. PAPAMY1702032CE, PAPAMY1703046CE,
PAPAMY1703052CE, PAPAMY1704061CE, PAPAMY1801024CE, PAPAMY1802072CE
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
There are special components used in this equipment which are important for safety. These parts are marked by
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.
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
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.
WARNING
IMPORTANT SAFETY NOTICE
PRECAUTION OF LOW TEMPERATURE
CAUTION
Order No: PAPAMY1802045CE
Air Conditioner
Outdoor Unit
CU-2TZ41TBE
CU-2TZ50TBE
Destination
Europe
Turkey
in the Schematic
!
© Panasonic Corporation 2018

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Summary of Contents for Panasonic CU-2TZ41TBE

  • Page 1 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. © Panasonic Corporation 2018...

  • Page 2: Table Of Contents

    Cooling Operation ........30     Service Data ............59     12.2 Heating Operation ........31     19.1 Operation Characteristics (CU-2TZ41TBE) ...   12.3 Outdoor Quiet Cooling Operation Control ..  ..............59   ..............31   19.2 Operation Characteristics (CU-2Z50TBE) ..

  • Page 3: Safety Precautions

    1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before installation.  Electrical work must be installed 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 4 WARNING Install at a strong and firm location which is able to withstand weight of the set. If the strength is not enough or installation is not properly done, the set will drop and cause injury. For electrical work, follow the national regulation, legislation and this installation instructions. An independent circuit and single outlet must be used.

  • Page 5: Precaution For Using R32 Refrigerant

    2. Precaution for Using R32 Refrigerant  The basic installation work procedures are the same as conventional refrigerant (R410A, R22) models. However, pay careful attention to the following points: WARNING Since the working pressure is higher than that of refrigerant R22 models, some of the piping and installation and service tools are special. (See “2.1.
  • Page 6 CAUTION 2-6.Ventilated area • Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. • A degree of ventilation shall continue during the period that the work is carried out. •...
  • Page 7 CAUTION Removal and evacuation • When breaking into the refrigerant circuit to make repairs – or for any other purpose – conventional procedures shall be used. However, it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to: •...
  • Page 8 CAUTION Recovery • When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely. • When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. •...

  • Page 9: Specifications

    3. Specifications CU-2TZ41TBE Item Unit OUTDOOR UNIT Indoor Unit Combination 1.6kW + 2.5kW Power Source 1 Phase, 230V, 50Hz (Power supply from outdoor unit) 4.1 (1.5 ~ 4.7) Capacity BTU/h 14000 (5120 ~ 16000) Running Current 4.60 Electrical Power Input 0.99 (0.27 ~ 1.38)
  • Page 10 Item Unit OUTDOOR UNIT Type Plate fin configuration forced draft type Tube Material Copper Heat Exchanger Fin Material Aluminum (Pre Coat) Row / Stage 2 / 24 /min Air Volume High (Cooling / Heating) 33.1 (1170) / 33.1 (1170) /min) Refrigerant Control Device Expansion Valve Refrigerant Oil...

  • Page 11: Cu-2Tz50Tbe

    CU-2TZ50TBE Item Unit OUTDOOR UNIT Indoor Unit Combination 2.5kW + 2.5kW Power Source 1 Phase, 230V, 50Hz (Power supply from outdoor unit) 5.0 (1.5 ~ 5.4) Capacity BTU/h 17100 (5120 ~ 18400) Running Current 6.00 Electrical Power Input 1.30 (0.27 ~ 1.62) Data Cooling Operation 3.85 (5.56 ~ 3.33)
  • Page 12 Item Unit OUTDOOR UNIT Type Plate fin configuration forced draft type Tube Material Copper Heat Exchanger Fin Material Aluminum (Pre Coat) Row / Stage 2 / 24 /min Air Volume High (Cooling / Heating) 34.9 (1230) / 34.9 (1230) /min) Refrigerant Control Device Expansion Valve Refrigerant Oil...
  • Page 13  Multi Split Combination Possibility: A single outdoor unit enables air conditioning of up to two separate rooms for CU-2TZ41TBE, CU-2TZ50TBE. Outdoor Unit Connectable Indoor Unit CU-2TZ41TBE CU-2TZ50TBE 1.6kW CS-MTZ16TKE ● ● ● ● CS-TZ20TKEW-1 2.0kW CS-TZ20TKEW ● ● ●...
  • Page 14  Indoor Unit : Combination of all wall mount series CS-MTZ/TZ  Outdoor Unit : CU-2TZ41TBE Cooling Capacity (kW) Input Power (W) ANNUAL MOISTURE Indoor unit capacity ENERGY Current, REMOVAL Total SEER Annual Cooling CONSUMPTION 230V (A) VOLUME Room Room...
  • Page 15  Indoor Unit : Combination of all wall mount series CS-MTZ/TZ  Outdoor Unit : CU-2TZ50TBE Cooling Capacity (kW) Input Power (W) ANNUAL MOISTURE Indoor unit capacity ENERGY Current, REMOVAL Total SEER Annual Cooling CONSUMPTION 230V (A) VOLUME Room Room Pdesign Total min ~ max...

  • Page 16: Dimensions

    4. Dimensions <Top View> Space necessary for installation 67.6 (104.7) 570.3 104.9 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> <Side View>...

  • Page 17: Refrigeration Cycle Diagram

    5. Refrigeration Cycle Diagram...

  • Page 18: Block Diagram

    6. Block Diagram...

  • Page 19: Wiring Connection Diagram

    7. Wiring Connection Diagram...

  • Page 20: Electronic Circuit Diagram

    8. Electronic Circuit Diagram...

  • Page 21: Printed Circuit Board

    9. Printed Circuit Board Main Printed Circuit Board RAT1 CN-FM1 AC-WHT CN-HOT CN-TH2 RAT2 CN-TANK CN-PSW AC-BLK CN-TH1 CN-TH3 CN-TH4 CN-EV1 CN-EV2 CN-DEMAND CN-DATA1...

  • Page 22: Noise Filter Printed Circuit Board

    Noise Filter Printed Circuit Board CN-DATA DATA2 DATA1...

  • Page 23: Installation Information

    10. Installation Information 10.1 CU-2TZ41TBE 10.1.1 Check Points connection cables (Not included in the unit) Panasoni c Outdoor unit power supply: Single-phase 230V, 50Hz Unit B 1.5mm flexible cord x 4 core (polychloroprene sheathed) Panasoni c 16A switch (circuit breaker)

  • Page 24: Cu-2Tz50Tbe

    10.2 CU-2TZ50TBE 10.2.1 Check Points connection cables (Not included in the unit) Outdoor unit power supply: Single-phase 230V, 50Hz Unit B 1.5mm flexible cord x 4 core (polychloroprene sheathed) 16A switch (circuit breaker) (Not included in the unit) (Not included in the unit) elevation: 10m max elevation between...

  • Page 25: Installation Instruction

    11. Installation Instruction 11.1 Outdoor Unit 11.1.1 Select The Best Location  Attached accessories If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the condenser is not obstructed. Drain elbow ...
  • Page 26 11.1.3 Connect the Piping 11.1.3.1 Connecting The Piping To Indoor Unit Do not over tighten, over tightening may cause gas leakage. Piping size Torque Please make flare after inserting flare nut (locate at 6.35 mm (1/4") [18 N•m (1.8 kgf•m)] joint portion of tube assembly) onto the copper pipe.
  • Page 27 Step 2: Refrigerant leak detection through Electronic halogen leak detector and/or ultrasonic leak detector: 1. Use any one of below detector to check leaking. Electronic halogen leak detector.  Switch on the unit.  Cover the test area from direct draft. ...
  • Page 28 11.1.5 Connect The Cable To The Outdoor Unit 1. Remove the control board cover (metal) from Control Board Cover (metal) the unit by loosening two screws. 2. Cable connection to the power supply through isolating Devices (Disconnecting means). Connect approved type polychloroprene sheathed power supply cord 3 x 1.5 mm type designation 60245 IEC 57...
  • Page 29 CUTTING AND FLARING THE PIPING 1. Please cut using pipe cutter and then remove the burrs. 2. 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. 3.

  • Page 30: Operation Control

    12. Operation Control 12.1 Cooling Operation 12.1.1 Outdoor fan control  When cooling operation is enabled, based on outdoor ambient temperature, fan motor control will be adjusted according to figure below: RPM free 15°C 13°C RPM controlled 12°C Stopped OD temp. 12.1.2 Annual Cooling control ...

  • Page 31: Heating Operation

    12.2 Heating Operation 12.2.1 Outdoor fan control  When heating operation is enabled, based on outdoor ambient temperature, fan motor control will be adjusted according to figure below for Heating overload control: RPM controlled 12°C 10°C RPM free OD temp. 12.2.2 Heating Room Temp Sampling Control ...
  • Page 32  Cancel Condition Indoor fan speed is equal or higher than Lo fan. > 1 operation indoor unit. In any cooling overload zone. During annual cooling Initial frequency operation. During starting control. During “Electronic part temperature rise protection by outdoor air & total current” During “Electronic part temperature rise protection by total current”...

  • Page 33: Simultaneous Operation Control

    13. Simultaneous Operation Control  Operation modes which can be selected using the remote control unit: Automatic, Cooling, Dry, Heating and e-ion operation mode.  Types of operation modes which can be performed simultaneously Cooling operation and Cooling, Dry or e-ion operation. Heating operation and Heating operation.

  • Page 34: Protection Control

    14. Protection Control 14.1 Freeze Prevention control (Cool)  When received freeze prevention signal from indoor unit, the compressor frequency changes according to indoor heat exchanger temperature.  When indoor unit request capability OFF due to freeze condition, immediately the capability supply to targeted indoor unit stops.

  • Page 35: Cooling Overload Control (Cool)

    14.5 Cooling overload control (Cool)  This control detect outdoor pipe temperature and perform the compressor frequency restriction during cooling operation. Comp stop 63°C Comp freq restricted 59°C 56°C Comp freq free OD Pipe temp 14.6 Heating overload control (Heat) ...

  • Page 36: Deice Control

    14.8 Deice Control  When outdoor pipe temperature and outdoor air temperature is low, deice operation starts where indoor fan motor and outdoor fan motor stop, indoor unit horizontal vane close and operation LED blink with compressor ON. 14.9 Time Delay Safety Control (Restart Control) ...

  • Page 37: Compressor Protection Control (Gas Leak Detection Control 1)

    14.13 Compressor Protection Control (Gas leak detection control 1)  Control start conditions For 5 minutes (Cooling or Soft Dry) or 8 minutes (Heating), the compressor continuously operates and total current is low. During Cooling or Soft Dry operation: Indoor intake temperature — indoor piping temperature is below 4°C. During Heating operation: Indoor pipe temperature —...

  • Page 38: Compressor Discharge High Temperature Protection Control

    14.17 Compressor discharge high temperature protection control  This control detect/compressor tank temperature and perform the compressor frequency restriction. Comp stop 108°C 96°C Comp freq restricted 95°C 90°C Comp freq free Comp tank temp  When the discharge temperature more than 108C, the compressor stops. If this condition happens for 3 times within 30 minutes, “F97”...

  • Page 39: Servicing Mode

    15. Servicing Mode 15.1 Pump down operation  Operate the pump down process according to the following procedure Confirm the valve on the liquid side and gas side are open. Short the CN-PUMP button on the Service PCB inside the outdoor unit for more than 5 seconds. Pump down (cooling) operation is performed for 15 minutes.

  • Page 40: Troubleshooting Guide

    16. Troubleshooting Guide 16.1 Self Diagnosis Function Diagnosis Abnormality or Abnormality judgment Protection operation Problem Check location display protection control  Indoor/outdoor wire Indoor fan only Indoor/outdoor terminal Indoor/outdoor abnormal After operation for operation can start by  communication not Indoor/outdoor PCB communication 1 minutes...
  • Page 41 Diagnosis Abnormality or Abnormality judgment Protection operation Problem Check location display protection control  Check indoor/outdoor connection wire and pipe Wrong wiring and  Indoor heat exchanger Indoor standby units 3 times happen within connecting pipe, sensor lead wire and freezing abnormality 40 minutes expansion valve...

  • Page 42: Disassembly And Assembly Instructions

    17. Disassembly and Assembly Instructions WARNING High Voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.1 Outdoor Unit Removal Procedure Caution! When handling electronic controller, be careful of electrostatic discharge.
  • Page 43 17.1.4 Removing the Propeller Fan and Fan Motor 1. Remove the cabinet top plate and cabinet front plate. 2. Remove the propeller fan by removing the nut turning clockwise at its center. 3. Disconnect the connector of the fan motor from the control board.

  • Page 44: Technical Data

    Technical data provided are based on the air conditioner running under free frequency. 18.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 16°C Voltage: 230V, 50Hz 18.1.1 CU-2TZ41TBE Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5...
  • Page 45 Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 4.32 0.64 4.44 0.63 4.48 0.62 4.56...
  • Page 46 Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 5.08 0.81 5.22 0.80 5.26 0.79 5.36...
  • Page 47 18.1.2 CU-2TZ50TBE Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 1.70 0.17 1.66 0.16 1.63...
  • Page 48 Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 3.77 0.49 3.67 0.48 3.62 0.47 3.57...
  • Page 49 Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 5.83 0.96 5.99 0.94 6.05 0.92 6.16...
  • Page 50 Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 5.83 0.96 5.99 0.94 6.05 0.92 6.16...
  • Page 51 Indoor Air Temp. °C WB Outdoor Air Combination Temp. °C 17.5 (Capacity) Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power 5.83 0.96 5.99 0.94 6.05 0.92 6.16...

  • Page 52: Heat Mode Performance Data

    18.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 30°C Voltage: 230V, 50Hz 18.2.1 CU-2TZ41TBE Outdoor Air Temp. °C WB Indoor Combination (Capacity) Temp. °C DB Input Input Input Input Input Input Input Total Q...
  • Page 53 Outdoor Air Temp. °C WB Indoor Combination (Capacity) Temp. °C DB Input Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power Power 6.62 1.19 6.62 1.50...
  • Page 54 Outdoor Air Temp. °C WB Indoor Combination (Capacity) Temp. °C DB Input Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power Power 6.62 1.18 6.62 1.48...
  • Page 55 18.2.2 CU-2TZ50TBE Outdoor Air Temp. °C WB Indoor Air Combination Temp. °C (Capacity) Input Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power Power 3.99 0.84...
  • Page 56 Outdoor Air Temp. °C WB Indoor Air Combination Temp. °C (Capacity) Input Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power Power 6.62 1.21 6.62 1.52...
  • Page 57 Outdoor Air Temp. °C WB Indoor Air Combination Temp. °C (Capacity) Input Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power Power 6.62 1.18 6.62 1.48...
  • Page 58 Outdoor Air Temp. °C WB Indoor Air Combination Temp. °C (Capacity) Input Input Input Input Input Input Input Total Q Total Q Total Q Total Q Total Q Total Q Total Q Power Power Power Power Power Power Power 6.72 1.19 6.72 1.49...

  • Page 59: Service Data

    19. Service Data Service Data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 19.1 Operation Characteristics (CU-2TZ41TBE) 19.1.1 One Indoor Unit Operation  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m...
  • Page 60  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Cooling (2.0), CS-TZ20TKEW 16.600 16.330 16.060 15.790 15.520 15.250 14.980 14.710 14.440 14.170 13.900 Outdoor Air Temperature (°C) 3.700 3.260...
  • Page 61  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz C) Indoor unit capacity: Cooling (2.5), CS-TZ25TKEW 16.900 16.630 16.360 16.090 15.820 15.550 15.280 15.010 14.740 14.470 14.200 Outdoor Air Temperature (°C) 3.900 3.440...
  • Page 62  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz D) Indoor unit capacity: Cooling (3.5), CS-TZ35TKEW 17.000 16.730 16.460 16.190 15.920 15.650 15.380 15.110 14.840 14.570 14.300 Outdoor Air Temperature (°C) 4.100 3.620...
  • Page 63  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Heating (1.6), CS-MTZ16TKEW 34.000 33.200 32.400 31.600 30.800 30.000 29.200 28.400 27.600 26.800 26.000 -14 -12 Outdoor Air Temperature (°C) 3.800...
  • Page 64  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Heating (2.0), CS-TZ20TKEW 33.500 32.700 31.900 31.100 30.300 29.500 28.700 27.900 27.100 26.300 25.500 -14 -12 Outdoor Air Temperature (°C) 3.700...
  • Page 65  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz C) Indoor unit capacity: Heating (2.5), CS-TZ25TKEW 33.000 32.200 31.400 30.600 29.800 29.000 28.200 27.400 26.600 25.800 25.000 Outdoor Air Temperature (°C) 3.500 3.380...
  • Page 66  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz D) Indoor unit capacity: Heating (3.5), CS-TZ35TKEW 31.700 30.950 30.200 29.450 28.700 27.950 27.200 26.450 25.700 24.950 24.200 -14 -12 Outdoor Air Temperature (°C) 3.500...
  • Page 67 19.1.2 Two Indoor Unit Operation  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Cooling (1.6 + 1.6), CS-MTZ16TKE + CS-MTZ16TKE MTZ16TKE MTZ16TKE 19.700 19.470 19.240...
  • Page 68  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Cooling (2.5 + 2.5), CS-TZ25TKEW + CS-TZ25TKEW TZ25TKEW TZ25TKEW 20.000 19.750 19.500 19.250 19.000 18.750 18.500 18.250...
  • Page 69  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Heating (1.6 + 1.6), CS-MTZ16TKE + CS-MTZ16TKE MTZ16TKE MTZ16TKE 33.500 32.800 32.100 31.400 30.700 30.000 29.300 28.600...
  • Page 70  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Heating (2.5 + 2.5), CS-TZ25TKEW + CS-TZ25TKEW TZ25TKEW TZ25TKEW 32.100 31.470 30.840 30.210 29.580 28.950 28.320 27.690...

  • Page 71: Operation Characteristics (Cu-2Z50Tbe)

    19.2 Operation Characteristics (CU-2TZ50TBE) 19.2.1 One Indoor Unit Operation  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Cooling (1.6), CS-MTZ16TKE 16.400 16.140 15.880 15.620 15.360...
  • Page 72  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Cooling (2.0), CS-TZ20TKEW 16.600 16.330 16.060 15.790 15.520 15.250 14.980 14.710 14.440 14.170 13.900 Outdoor Air Temperature (°C) 3.700 3.260...
  • Page 73  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz C) Indoor unit capacity: Cooling (2.5), CS-TZ25TKEW 16.900 16.630 16.360 16.090 15.820 15.550 15.280 15.010 14.740 14.470 14.200 Outdoor Air Temperature (°C) 3.900 3.440...
  • Page 74  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz D) Indoor unit capacity: Cooling (3.5), CS-TZ35TKEW 17.000 16.730 16.460 16.190 15.920 15.650 15.380 15.110 14.840 14.570 14.300 Outdoor Air Temperature (°C) 4.100 3.620...
  • Page 75  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz E) Indoor unit capacity: Cooling (4.2), CS-TZ42TKEW 17.300 17.020 16.740 16.460 16.180 15.900 15.620 15.340 15.060 14.780 14.500 Outdoor Air Temperature (°C) 4.300 3.800...
  • Page 76  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz Indoor unit capacity: Cooling (5.0), CS-TZ50TKEW 20.500 20.160 19.820 19.480 19.140 18.800 18.460 18.120 17.780 17.440 17.100 Outdoor Air Temperature (°C) 4.100 3.620 3.140...
  • Page 77  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Heating (1.6), CS-MTZ16TKEW 34.000 33.200 32.400 31.600 30.800 30.000 29.200 28.400 27.600 26.800 26.000 -14 -12 Outdoor Air Temperature (°C) 3.800...
  • Page 78  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Heating (2.0), CS-TZ20TKEW 33.500 32.700 31.900 31.100 30.300 29.500 28.700 27.900 27.100 26.300 25.500 -14 -12 Outdoor Air Temperature (°C) 3.700...
  • Page 79  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz C) Indoor unit capacity: Heating (2.5), CS-TZ25TKEW 33.000 32.200 31.400 30.600 29.800 29.000 28.200 27.400 26.600 25.800 25.000 Outdoor Air Temperature (°C) 3.500 3.380...
  • Page 80  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz D) Indoor unit capacity: Heating (3.5), CS-TZ35TKEW 31.700 30.950 30.200 29.450 28.700 27.950 27.200 26.450 25.700 24.950 24.200 -14 -12 Outdoor Air Temperature (°C) 3.500...
  • Page 81  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz E) Indoor unit capacity: Heating (4.2), CS-TZ42TKEW 31.000 30.250 29.500 28.750 28.000 27.250 26.500 25.750 25.000 24.250 23.500 Outdoor Air Temperature (°C) 3.500 3.320...
  • Page 82  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz Indoor unit capacity: Heating (5.0), CS-TZ50TKEW 31.000 30.250 29.500 28.750 28.000 27.250 26.500 25.750 25.000 24.250 23.500 Outdoor Air Temperature (°C) 4.500 4.280 4.060...
  • Page 83 19.2.2 Two Indoor Unit Operation  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Cooling (1.6 + 1.6), CS-MTZ16TKE + CS-MTZ16TKE MTZ16TKE MTZ16TKE 19.700 19.470 19.240...
  • Page 84  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Cooling (2.5 + 2.5), CS-TZ25TKEW + CS-TZ25TKEW TZ25TKEW TZ25TKEW 20.000 19.750 19.500 19.250 19.000 18.750 18.500 18.250...
  • Page 85  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz C) Indoor unit capacity: Cooling (3.5 + 3.5), CS-TZ35TKEW + CS-TZ35TKEW TZ35TKEW TZ35TKEW 20.000 19.770 19.540 19.310 19.080 18.850 18.620 18.390...
  • Page 86  Cooling Characteristic [Condition] Room temperature: 27°C (DBT), 19°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz D) Indoor unit capacity: Cooling (2.5 + 5.0), CS-TZ25TKEW + CS-TZ50TKEW TZ25TKEW TZ50TKEW 22.000 21.670 21.340 21.010 20.680 20.350 20.020 19.690...
  • Page 87  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz A) Indoor unit capacity: Heating (1.6 + 1.6), CS-MTZ16TKE + CS-MTZ16TKE MTZ16TKE MTZ16TKE 33.500 32.800 32.100 31.400 30.700 30.000 29.300 28.600...
  • Page 88  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz B) Indoor unit capacity: Heating (2.5 + 2.5), CS-TZ25TKEW + CS-TZ25TKEW TZ25TKEW TZ25TKEW 32.100 31.470 30.840 30.210 29.580 28.950 28.320 27.690...
  • Page 89  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz C) Indoor unit capacity: Heating (3.5 + 3.5), CS-TZ35TKEW + CS-TZ35TKEW TZ35TKEW TZ35TKEW 31.400 30.800 30.200 29.600 29.000 28.400 27.800 27.200...
  • Page 90  Heating Characteristic [Condition] Room temperature: 20°C (DBT), 12°C (WBT) Operation condition: High fan speed Piping length: 5.0 m Voltage: 230V, 50Hz D) Indoor unit capacity: Heating (2.5 + 5.0), CS-TZ25TKEW + CS-TZ50TKEW TZ25TKEW TZ50TKEW 30.000 29.320 28.640 27.960 27.280 26.600 25.920 25.240...

  • Page 91: Exploded View And Replacement Parts List

    20. Exploded View and Replacement Parts List 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 92 SAFETY DESCRIPTION & NAME Q’TY CU-2TZ41TBE CU-2TZ50TBE REMARK CHASSIS ASSY CWD52K1399 ← FAN MOTOR BRACKET CWD541157 ← FAN MOTOR L6CBYYYL0218 ← PROPELLER FAN ASSY CWH03K1100 ← NUT - PROPELLER FAN CWH56053J ← COMPRESSOR 9RD132XFA21 ← ANTI - VIBRATION BUSHING CWH50077 ←...
  • Page 93 SAFETY DESCRIPTION & NAME Q’TY CU-2TZ41TBE CU-2TZ50TBE REMARK CABINET FRONT PLATE CO. CWE06C1566 ← CABINET SIDE PLATE CO. ACXE04C05760 ← CABINET SIDE PLATE (LEFT) CWE041858A ← CONTROL BOARD COVER - COMPLETE ACXH13C04680 ← SENSOR - COMPLETE (LIQUID PIPE TEMP ACXA50C14090 ←...

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