Panasonic CS-HZ25ZKE Service Manual
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Panasonic CS-HZ25ZKE Service Manual

Panasonic CS-HZ25ZKE Service Manual

Indoor/outdoor unit
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This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the products dealt with in this service information by anyone else could result in serious injury or death.
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.
R32 REFRIGERANT
– 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.
CS-HZ25ZKE-5
CS-HZ25ZKE-H
CS-HZ35ZKE-H
CS-HZ25ZKE-5-H
WARNING
IMPORTANT SAFETY NOTICE
CAUTION
Indoor Unit
CS-HZ25ZKE
CS-HZ35ZKE
Order No: PAPAMY2306064CE
Outdoor Unit
CU-HZ25ZKE
CU-HZ35ZKE
CU-HZ25ZKE-5
CU-HZ25ZKE
CU-HZ35ZKE
CU-HZ25ZKE-5
Destination
Europe
Nordic Europe
in the Schematic
© Panasonic Corporation 2023

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Summary of Contents for Panasonic CS-HZ25ZKE

  • 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 2023...

  • Page 2: Table Of Contents

    (Part No: J2TD00000001) module ..135 12. Installation Instruction ........30 18.3 To setup Wireless LAN Module and 12.1 Select the Best Location ......30 Panasonic Comfort Cloud......137 12.2 Indoor Unit ..........31 18.4 Outdoor Electronic Controller Removal 12.3 Outdoor Unit ..........

  • Page 3: Safety Precautions

    1. Safety Precautions  Read the following “SAFETY PRECAUTIONS” carefully before installation and perform any servicing.  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 Do not use joint cable for indoor/outdoor connection cable. Use the specified indoor/outdoor connection cable, refer to instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor/outdoor connection. Clamp the cable so that no external force will have impact on the terminal. If connection or fixing is not perfect, it will cause heat up or fire at the connection.
  • Page 5 CAUTION Pb free solder has a higher melting point than standard solder; typically the melting point is 50°F – 70°F (30°C – 40°C) higher. Please use a high temperature solder iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ±...

  • Page 6: 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 7 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 8 CAUTION 2-8. 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 9 CAUTION Detection of flammable refrigerants  Under no circumstances shall potential sources of ignition be used in the searching or detection of refrigerant leaks.  A halide torch (or any other detector using a naked flame) shall not be used. ...
  • Page 10 CAUTION Decommissioning  Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its details.  It is recommended good practice that all refrigerants are recovered safely.  Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant.

  • Page 11: Specification

    3. Specification Indoor CS-HZ25ZKE / CS-HZ25ZKE-H / CS-HZ25ZKE-5 / CS-HZ25ZKE-5-H Model Outdoor CU-HZ25ZKE / CU-HZ25ZKE-5 Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. 0.85 2.50 3.60 Capacity BTU/h 2900 8530 12300 kcal/h 2150 3100 Running Current –...
  • Page 12 Indoor CS-HZ25ZKE / CS-HZ25ZKE-H / CS-HZ25ZKE-5 / CS-HZ25ZKE-5-H Model Outdoor CU-HZ25ZKE / CU-HZ25ZKE-5 Type Cross-Flow Fan Material ASG33 Motor Type DC / Transistor (8-poles) Input Power 47.1 Output Power Cool Heat Cool Heat Cool Speed Heat Cool Heat 1190 Cool...
  • Page 13 Indoor CS-HZ25ZKE / CS-HZ25ZKE-H / CS-HZ25ZKE-5 / CS-HZ25ZKE-5-H Model Outdoor CU-HZ25ZKE / CU-HZ25ZKE-5 Inner Diameter 16.2 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row × Stage × FPI 2 × 17 × 21, Sub Eva × 2 : 1 × 4 × 21 Size (W ×...
  • Page 14 Indoor CS-HZ35ZKE / CS-HZ35ZKE-H Model Outdoor CU-HZ35ZKE Performance Test Condition EUROVENT Phase, Hz Single, 50 Power Supply Min. Mid. Max. 0.85 3.50 4.60 Capacity BTU/h 2900 11900 15700 kcal/h 3010 3960 Running Current – 3.50 – Input Power 1.20k Annual Consumption –...
  • Page 15 Indoor CS-HZ35ZKE / CS-HZ35ZKE-H Model Outdoor CU-HZ35ZKE Type Cross-flow Fan Material ASG33 Motor Type DC / Transistor (8-poles) Input Power 47.1 Output Power Cool Heat Cool Heat Cool Speed Heat Cool 1090 Heat 1190 Cool 1160 Heat 1260 Type Propeller Fan Material Motor Type DC Motor (8-poles)
  • Page 16 Indoor CS-HZ35ZKE / CS-HZ35ZKE-H Model Outdoor CU-HZ35ZKE Inner Diameter 16.2 Drain Hose Length Fin Material Aluminium (Pre Coat) Fin Type Slit Fin Indoor Heat Exchanger Row × Stage × FPI 2 × 17 × 21, Sub Eva × 2 : 1 × 4 × 21 Size (W ×...

  • Page 17: Features

    Features  Inverter Technology Wider output power range Energy saving More precise temperature control  Environment Protection Non-ozone depletion substances refrigerant (R32)  Long Installation Piping Long piping up to 20 meters  Easy to use remote control  Quality Improvement Random auto restart after power failure for safety restart operation Gas leakage protection Prevent compressor reverse cycle...

  • Page 18: Location Of Controls And Components

    5. Location of Controls and Components Indoor Unit Aluminium fin Front panel Auto OFF/ON button Use when remote control is misplaced or a malfunction occurs. Remote Control Receiver (Maximum distances: 8m) Indicator Air Filters Horizontal airflow direction louver Do not adjust by hand. Vertical airflow direction louver Do not adjust by hand.

  • Page 19: Dimensions

    6. Dimensions Indoor Unit <Top View> <Side View> <Front View> <Side View> Air intake direction Air outlet Left piping Right piping direction hole hole <Bottom View> <Remote Control> <Rear View> Liquid side Gas side <Remote Control Holder> 41-61 63.37 Relative position between the indoor unit and the installation plate <Front View> 633.4 14.9 Installation...

  • Page 20: Outdoor Unit

    Outdoor Unit <Top View> Space necessary for 68.5 installation (124) (53.4) 100mm 100mm 1000mm Anchor Bolt Pitch 330 x 540 <Side View> <Side View> <Front View> 3-way valve at Gas side Unit : mm (Low Pressure) 2-way valve at Liquid side (High Pressure)

  • Page 21: Refrigeration Cycle Diagram

    7. Refrigeration Cycle Diagram INDOOR OUTDOOR LIQUID SIDE MUFFLER STRAINER STRAINER EXPANSION PIPE 2-WAY VALVE TEMP. VALVE SENSOR INTAKE TEMP. TEMP. SENSOR SENSOR PIPE TEMP. SENSOR HEAT EXCHANGER HEAT EXCHANGER (CONDENSER) (EVAPORATOR) SIDE 4-WAY 3-WAY VALVE VALVE MUFFLER TANK TEMP. SENSOR COMPRESSOR COOLING...

  • Page 22: Block Diagram

    8. Block Diagram...

  • Page 23: Wiring Connection Diagram

    9. Wiring Connection Diagram Indoor Unit REMARKS : FOR OUTDOOR POWER FOR INDOOR POWER : BLUE P : PINK SUPPLY CONNECTION SUPPLY CONNECTION ELECTRONIC CONTROLLER (WIFI MODULE) BR : BROWN O : ORANGE BL : BLACK Y : YELLOW TERMINAL TERMINAL W : WHITE G : GREEN...

  • Page 24: Outdoor Unit

    Outdoor Unit FOR OUTDOOR POWER SUPPLY CONNECTION SINGLE PHASE O INDOOR UNIT POWER SUPPLY REACTOR TERMINAL BOARD OUTDOOR AIR TEMP. SENSOR (THERMISTOR) RAT2 RAT1 DATA (GRY) (GRY) (BLK) CN-TH1 (WHT) FUSE 4 FUSE 5 (20A 250V) (20A 250V) PIPING TEMP. SENSOR FUSE 1 (THERMISTOR) AC-BRW...

  • Page 25: Electronic Circuit Diagram

    10. Electronic Circuit Diagram 10.1 Indoor Unit ELECTRONIC CONTROLLER (WIFI MODULE) GR GR GR CN-WLAN (WHT) 12V_1 *R405 *R406 *F301 CN–CNT (WHT) *C402 *C403 *C401 *R93 *C57 1000p 1000p *C56 FOR OUTDOOR POWER FOR INDOOR POWER SUPPLY CONNECTION SUPPLY CONNECTION TERMINAL TERMINAL BOARD...

  • Page 26: Outdoor Unit

    10.2 Outdoor Unit REACTOR RAT2 RAT1 (GRY) (GRY) R202 R201 15.8k CN-TH1 (WHT) OUTDOOR AIR TEMP. SENSOR NONE (THERMISTOR) FOR OUTDOOR POWER NONE SUPPLY CONNECTION SINGLE PHASE O INDOOR UNIT POWER SUPPLY PIPING TEMP. SENSOR (THERMISTOR) TERMINAL CN-TANK BOARD (WHT) DATA (BLK) R206...

  • Page 27: Printed Circuit Board

    11. Printed Circuit Board 11.1 Indoor Unit 11.1.1 Main Printed Circuit Board AC304 AC303 G301 AC306 CN-FM SW01 CN-NANO CN-CNT CN-WLAN CN-STM2 CN-DISP CN-STM1 CN-RMT CN-TH CN-STM3 JP1 (Random Auto Restart Enable/Disable)
  • Page 28 11.1.2 Indicator & Receiver Printed Circuit Board CN-DISP 11.1.3 nanoe™X Printed Circuit Board 11.1.4 Wireless LAN Module Printed Circuit Board (Network Adapter)

  • Page 29: Outdoor Unit

    11.2 Outdoor Unit 11.2.1 Main Printed Circuit Board POWER TRANSISTOR (IPM) RAT1 CN-MTR2 CN-STM1 CN-TANK CN-HOT CN-TH1 DATA AC-BRW RAT2 AC-BLU...

  • Page 30: Installation Instruction

    12. Installation Instruction 12.1 Select the Best Location 12.1.1 Indoor Unit 12.1.3 Indoor/Outdoor Unit Installation  Diagram Do not install the unit in excessive oil fume area such as kitchen, workshop and etc.  There should not be any heat source or steam near up drain hose the unit.

  • Page 31: 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 the vibration. Ceiling More than Wall Wall More than More than 2 screw Indoor unit 150 mm 247 mm 150 mm 150 mm TO HOLE...

  • Page 32: Indoor Unit Installation

    12.2.3 Indoor Unit Installation Pull out the Indoor piping • Do not turn over the unit without it’s 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 Shock absorber...

  • Page 33: Connect The Cable To The Indoor Unit

    Change the drain hose position Rear view for left piping installation Connection cable Piping More than 950 mm Sleeve for piping hole Drain hose Drain cap Drain hose • • How to pull the piping and drain hose out, In case of left piping how to in case of the embedded piping.
  • Page 34 Remove the tapes and connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the outdoor unit Colour of wires (Connection cable) Terminals on the indoor unit (Power supply cord) Terminals on the isolating devices (L) (N) (Disconnecting means)

  • Page 35: Cutting And Flaring The Piping

    Secure the connection cable onto the control board with the holder. WARNING This equipment must be properly earthed.  Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively.  Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason. 12.2.4.1 Wire Stripping and Connecting Requirement Indoor/outdoor...

  • Page 36: 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 37: Air Tightness Test On The Refrigerating System

    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 38: Connect The Cable To The Outdoor Unit

    12.3.4 Connect the Cable to the Outdoor Unit Remove the control board cover from the unit by loosing the screw. Connect cables to the unit. In case of indoor power supply Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 ×...

  • Page 39: Piping Insulation

    Connect the power supply cord and connection cable between indoor unit and outdoor unit according to the diagram below. Terminals on the indoor unit Colour of wires (Connection cable) Terminals on the outdoor unit (Power supply cord) Terminals on the isolating devices (L) (N) (Disconnecting means) Secure the power supply cord and connection cable onto the control board with the holder.
  • Page 40 12.3.6 How to Take Out Front Grille Pull down 3 caps at the bottom, then remove 3 mounting screws. Cling finger around screw area slot, pull the bottom plate downward until a click sound indicates hook is unleashed. Move the bottom plate forward carefully. Open front panel.

  • Page 41: Check The Drainage

    12.3.9 Check the Drainage  Open front panel and remove air filters. (Drainage checking can be carried out without removing the front grille.)  Pour a glass of water into the drain tray-styrofoam.  Ensure that water flows out from drain hose of the indoor unit.
  • Page 42 12.3.13 In Case of Reusing Existing Refrigerant Piping Observe the followings to decide reusing the existing refrigerant piping. Poor refrigerant piping could result in product failure.  In the circumstances listed below, do not reuse any refrigerant piping. Instead, make sure to install a new piping.

  • Page 43: 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 44 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 45: 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 46 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 47 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 48 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 49: 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 50: 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 51: 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 52 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 53: Unit Installation

    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 54 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 55: 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 56 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 57 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 58 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 applications Solidus Liquidus Kgf•cm temp material Liquidity is good at low temperature, 49.0 14.5...
  • Page 59 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 60 (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 61: 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 62 4. Any sound from the expansion valve? (when starting the operation and the outdoor unit is turned on, the expansion valve is re-set, check if there is any edged sound or clack sound) 13.8.3 Guidance for diagnosis of refrigerant cycle Cooling mode Comparison with normal operation...

  • Page 63: 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 64: Automatic 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 65: Feedback Control

    ii. Auto Fan Speed [Cooling, Dry]  According to room temperature and setting temperature, indoor fan speed is determined automatically.  When set temperature is not achieved, the indoor fan will operate according to pattern below. [1 pattern : 10 s] Speed Higher Medium...

  • Page 66: Airflow Direction

    14.4 Airflow Direction 1. There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes). 2. 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 67: Horizontal Airflow

    14.4.2 Horizontal Airflow 1. Automatic horizontal airflow direction can be set using remote control; the vane swings left and right within the angles as stated below. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below.

  • Page 68: Quiet Operation (Heating)

    14.6 Quiet Operation (Heating) A. Purpose To provide quiet heating operation compare to normal operation. B. Control condition a. Quiet operation start condition  When “FAN SPEED/QUIET” button at remote control is pressed continuously until QUIET will be shown on remote control display. b.

  • Page 69: Fireplace Operation

    14.9 FIREPLACE Operation This operation function supports equal heat distribution from external heat source throughout in the room by continuously blowing air from indoor unit even when compressor is off condition. Start Condition:  Heat mode operation condition (Exclude Summer House). ...

  • Page 70: 8/15°C Heat Operation

    14.12 +8/15°C Heat Operation  +8/15°C Heat operation provides heating at low setting temperature in unoccupied houses during winter for the purpose of protecting equipments or housing appliances which may be destroyed by the extreme cold weather.  This operation can be ON by pressing the +8/15°C Heat button on the remote control. ...

  • Page 71: Nanoe ™ X Operation

    ™ 14.13 nanoe X Operation ™  Generate nanoe X (water wrapped ion particle) to moisturize skin, provide deodorization & sterilization effect. ™  nanoe X operation start condition ™ During unit running at any operation mode, if nanoe X operation is activated, combination operation ™...
  • Page 72 ™  nanoe X check mode ™ ™ To enable nanoe X check mode, during nanoe X operation ON: Normal display mode Press SW (t ≥ 0 secs) When SW pressed continuously for t ≥ 5 secs to enter service zone and press SW’s to choose function 57 Transmit...

  • Page 73: Inside Cleaning

    14.14 Inside Cleaning Objectives To enhance the inside cleaning of the air conditioner indoor unit. Starting Conditions: Automatic Activation Inside cleaning is selected in function selection. Inside cleaning not disable by remote control. Elapsed time from previous inside cleaning operation passed over 24hours. Unit is turned off under remote control setting nanoe™...
  • Page 74 Power failure: During inside cleaning, if power failure occurs, after power resumes, in-filter deactivation operation will not resume.  Enable or disable selection Remote control normal mode Press SW continuously for 5s Press SW’s to choose function 7 Control Disable Transmit check code “Enable or Disable”...

  • Page 75: Wireless Lan Control

    This feature requires the app to work with a smartphone. Please check each store for the supported OS version.  The Network Adaptor is designed specifically as a terminal for “Panasonic Comfort Cloud” app.  The Wireless LAN network coverage must reach the indoor unit installation location.

  • Page 76: Connecting Network

    For iOS user GET IT ON Downloadon the Play Google Store Open Open   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 77 14.15.7 Wireless LAN Failure Diagnosis 14.15.7.1 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 78: Protection Control

    15. Protection Control 15.1 Protection Control for All Operations 15.1.1 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 79: Compressor Overheating Prevention Control

    15.1.4 Compressor Overheating Prevention Control  Instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below.  ° If compressor discharge temperature exceeds 103 C, compressor will be stopped, occurs 4 times per 20 minutes, timer LED will be blinking.

  • Page 80: Protection Control For Cooling & Soft Dry Operation

    15.2 Protection Control for Cooling & Soft Dry Operation 15.2.1 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 81: Protection Control For Heating Operation

    15.2.6 Odor Cut Control  To reduce the odor released from the unit. Start Condition  AUTO FAN Speed is selected during COOL or DRY operation.  During freeze prevention control and timer preliminary operation, this control is not applicable. Control content ...

  • Page 82: Servicing Mode

    16. Servicing Mode 16.1 Auto OFF/ON Button Auto OFF/ON Auto OFF/ON Auto OFF/ON Button pressed Button pressed Button pressed 5 sec 5 sec Auto Operation Test Run Operation Stop Test Run Operation Stop (Forced cooling operation) (Forced heating operation) Beep Beep x 2 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto OFF/ON button is pressed.

  • Page 83: 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 84: Remote Control Button

    16.3 Remote Control Button 16.3.1 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 85  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 86 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 87 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 88  Auto restart enable/disable selection Normal display mode Press SW to enter customer zone & press SW’s to choose function 10 Control Disable Transmit “Enable or Disable” code Control Enable ① Press SW, special setting is immediately cancelled and normal mode starts. ②...
  • Page 89  New Deice Judgement Selection Normal display mode Press SW (t ≥ 0secs) When SW pressed continuously for t ≥ 5secs to enter service zone & press SW’s to choose function 60 Switching = No Transmit “No or Yes” code Switching = Yes Note:...
  • Page 90 16.3.6 Customization mode LCD display area: Customization display area (highlighted in color) FIREPLACE 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 [range (1~49)]...
  • Page 91 Function & Options list: 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 92 Customization Options Remark Name 01 – Pattern 1 Compressor frequency change speed selection 02 – Pattern 2 03 – Pattern 3 00 – Disable Up/Down air swing upper limit restriction selection 01 – Enable Failure diagnosis mode disable None (No display) Service Zone 01 –...

  • Page 93: Troubleshooting Guide

    17. Troubleshooting Guide 17.1 Refrigeration Cycle System In order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a fan. The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions, the standard values for them are shown in the table on the...

  • Page 94: Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current

    17.1.1 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 95: Breakdown Self Diagnosis Function

    17.2 Breakdown Self Diagnosis Function 17.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code)  Once abnormality has occurred during operation, the unit will stop its operation, and Timer LED blinks.  Although Timer LED goes off when power supply is turned off, if the unit is operated under a breakdown condition, the LED will light up again.

  • Page 96: Error Code Table

    17.3 Error Code 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 97 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 98: Self-Diagnosis Method

    17.4 Self-diagnosis Method 17.4.1 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 99 17.4.2 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 100 17.4.3 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 101 17.4.4 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 102 17.4.5 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 103 17.4.6 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 > 2550rpm or < 50rpm) Malfunction Caused ...
  • Page 104 17.4.7 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 105 17.4.8 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 106 17.4.9 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 107 17.4.10 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 108 17.4.11 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 109 17.4.12 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 110 17.4.13 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 111 17.4.14 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 112 17.4.15 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 113 17.4.16 H67 (nanoe abnormality) Malfunction Decision Conditions  nanoe stop for 5 minutes for 3 times. Malfunction Caused  Faulty connector connection.  Faulty indoor unit PCB.  Faulty nanoe generator. Troubleshooting When abnormality indication starts again. For safety reason and to prevent Check the connector connection: component breakdown, always Turn off the power.
  • Page 114 17.4.17 H85 (WLAN Module abnormality) Malfunction Decision Conditions  Initial Setting: Main PCB does not receive WLAN module data for 90 secs.  Normal Control: Main PCB does not receive WLAN module data for 10 mins repeating 2 times. 5V power to WLAN module is turned off for 2s. After 2s, 5V power to WLAN module is turned on &...
  • Page 115 17.4.18 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 116 17.4.19 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 117 17.4.20 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 118 17.4.21 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 119 17.4.22 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 120 17.4.23 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 121 17.4.24 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 When F91 indication happens For safety reason and to prevent component breakdown, always switch Caution...
  • Page 122 17.4.25 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 For safety reason and to prevent component When F93 indication happens breakdown, always switch off the power...
  • Page 123 17.4.26 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 124 17.4.27 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 125 17.4.28 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 126 17.4.29 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 127 17.4.30 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 128: Disassembly And Assembly Instructions

    18. 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. CAUTION To maintain the indoor unit’s appearance, some precaution needs to be taken during installation or servicing activities.
  • Page 129 Detach the hook from left and right. Then remove the Bottom Plate. Figure 3 Open the hooks on top of the Front Grille. Figure 4 Remove the Front Grille. Figure 5...

  • Page 130: To Remove Electronic Controller

    18.1.1.2 To Remove Electronic Controller Remove the right side front cover first, then remove the second front cover. Figure 6 Remove the particular piece. Figure 7 Pull out the Main Electronic Controller halfway. Then disconnect all connectors from the controller. Remove the Electronic controller.
  • Page 131 18.1.1.3 To Remove Discharge Grille Disconnect CN-STM1, CN-STM2 and CN-STM3 from electronic controller. Remove indicator complete. Figure 9 Remove drain hose. Figure 10 Pull out the discharge grille to remove. Figure 11...
  • Page 132 18.1.1.4 To Remove Cross Flow Fan Loosen the cross-flow fan screw. Figure 12 Remove 2 screws from Evaporator. Figure 13 Lift up the Evaporator. Pull out cross-flow fan. Figure 14...
  • Page 133 18.1.1.5 To Remove Fan Motor Remove air temperature and pipe temperature sensor. Disconnect CN-FM from electronic controller. Remove earth wire from evaporator. Figure 15 Remove 1 screw from control board complete. Then pull out the control board complete. Figure 16 Remove 4 screws from fan motor cover.

  • Page 134: Network Adaptor

    Remove 1 mounting screw, then remove the network adaptor holder. After that, network adaptor can be easily replaced. Indicator piece Network adaptor holder Hook Screw Reminder: Serviceman or owner must setting again Panasonic Comfort Cloud app after replace Wireless LAN Module.

  • Page 135: Replacement Procedure For Indoor Electronic Controller And Wlan (Part No: J2Td00000001) Module

    18.2 Replacement Procedure for Indoor Electronic Controller and WLAN (Part No: J2TD00000001) module 18.2.1.1 Replace Indoor Electronic Controller only Turn OFF the power supply. Replace the indoor electronic controller. Turn ON the power supply. If the WLAN LED is OFF, press the WLAN button on the remote controller once to turn ON WLAN. Comfort Cloud APP can be used right away.
  • Page 136 *Kindly redo weekly tim er setting afte r Use r’s manual replacement of wireless module. Terms of use Privacy noti ce Copyrig ht deleting Panasonic ID Logout Can cel Start Identify and select QR code Setup preparatio n Setup preparatio n availability condition.

  • Page 137: To Setup Wireless Lan Module And Panasonic Comfort Cloud

    . Comfort Cloud App. Weekly timer needs to re-set again. 18.3 To setup Wireless LAN Module and Panasonic Comfort Cloud Note: Refer to the User’s Manual from Comfort Cloud App. 1. Sign-in “Panasonic Comfort Cloud” app. 2. Under Menu, select “User’s Manual”.

  • Page 138: Outdoor Electronic Controller Removal Procedure

    18.4 Outdoor Electronic Controller Removal Procedure Caution! When handling electronic controller, be careful of electrostatic discharge. Remove the 5 screws of the Top Plate. Lift up Remove the Control Board as follows: the left side of the Top Plate first, then remove the Top Plate.

  • Page 139: Technical Data

    Technical data provided are based on the air conditioner running under free frequency. 19.1 Cool Mode Performance Data Unit setting: Standard piping length, Hi Fan, Cool mode at 16.0°C Voltage: 230V 19.1.1 CS-HZ25ZKE CU-HZ25ZKE / CS-HZ25ZKE-H CU-HZ25ZKE / CS-HZ25ZKE-5 CU-HZ25ZKE-5 / CS-HZ25ZKE-5-H CU-HZ25ZKE-5 Indoor (°C) Outdoor DB (°C) 19.0...

  • Page 140: Heat Mode Performance Data

    19.2 Heat Mode Performance Data Unit setting: Standard piping length, Hi Fan, Heat mode at 30.0°C Voltage: 230V 19.2.1 CS-HZ25ZKE CU-HZ25ZKE / CS-HZ25ZKE-H CU-HZ25ZKE / CS-HZ25ZKE-5 CU-HZ25ZKE-5 / CS-HZ25ZKE-5-H CU-HZ25ZKE-5 Indoor Outdoor WB (°C) (°C) -25/-26 -20/-21 -15/-16 -7/-8 12/11...

  • Page 141: Service Data

    Condition  Room Temperature: 27/19°C, Cooling Characteristic  Fan: High  Piping Length: 5.0 m  Freq: Rated Fc 20.1.1 CS-HZ25ZKE CU-HZ25ZKE / CS-HZ25ZKE-H CU-HZ25ZKE / CS-HZ25ZKE-5 CU-HZ25ZKE-5 / CS-HZ25ZKE-5-H CU-HZ25ZKE-5 17.80 17.60 17.40 17.20 17.00 16.80 16.60 16.40 16.20 16.00...
  • Page 142 20.1.2 CS-HZ35ZKE CU-HZ35ZKE / CS-HZ35ZKE-H CU-HZ35ZKE 17.00 16.50 16.00 15.50 15.00 14.50 14.00 13.50 13.00 Outdoor Air Temperature (°C) Outdoor Air Temperature (°C) 4.50 4.00 3.50 3.00 2.50 2.00 1.50 Outdoor Air Temperature (°C) 1.15 166.000 1.10 159.000 1.05 152.000 1.00 145.000 0.95...

  • Page 143: Heat Mode Outdoor Air Temperature Characteristic

     Room Temperature: 20°C, Heating Characteristic  Fan: High  Piping Length: 5.0 m  Freq: Rated Fh 20.2.1 CS-HZ25ZKE CU-HZ25ZKE / CS-HZ25ZKE-H CU-HZ25ZKE / CS-HZ25ZKE-5 CU-HZ25ZKE-5 / CS-HZ25ZKE-5-H CU-HZ25ZKE-5 Outdoor Air Temperature (°C) 3.00 2.80 2.60 2.40 2.20 2.00 1.80...
  • Page 144 20.2.2 CS-HZ35ZKE CU-HZ35ZKE / CS-HZ35ZKE-H CU-HZ35ZKE Outdoor Air Temperature (°C) Outdoor Air Temperature (°C) 348.000 319.000 290.000 261.000 232.000 203.000 174.000 Outdoor Air Temperature (°C)

  • Page 145: Piping Length Correction Factor

    20.3 Piping Length Correction Factor The characteristic of the unit has to be corrected in accordance with the piping length. 20.3.1 Cooling Capacity Cooling Capacity 1.02 1.0084 1.01 1.0000 1.00 0.9941 0.99 0.9859 0.98 0.9812 0.97 0.9773 0.96 0.9698 0.95 0.94 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Pipe Length (m)

  • Page 146: Exploded View And Replacement Parts List

    21. Exploded View and Replacement Parts List 21.1 Indoor Unit 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 147 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-HZ25ZKE CS-HZ35ZKE CS-HZ25ZKE-5 REMARK CHASSIS COMPLETE ACXD50C04160 ← ← FAN MOTOR L6CBYYYL0474 ← ← FAN MOTOR BRACKET ACXD54-04360 ← ← CROSS-FLOW FAN COMPLETE ACXH02C01480 ← ← BEARING ASSY CWH64K1006 ← ← EVAPORATOR CO.
  • Page 148 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-HZ25ZKE CS-HZ35ZKE CS-HZ25ZKE-5 REMARK PARTICULAR PLATE -LOCK ACXD93-18690 ← ← BOX SHAPED PLATE ACXD66-03420 ← ← (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.
  • Page 149 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-HZ25ZKE-H CS-HZ35ZKE-H CS-HZ25ZKE-5-H REMARK CHASSIS COMPLETE ACXD50C04190 ← ← FAN MOTOR L6CBYYYL0474 ← ← FAN MOTOR BRACKET ACXD54-04360 ← ← CROSS-FLOW FAN COMPLETE ACXH02C01480 ← ← BEARING ASSY CWH64K1006 ← ← EVAPORATOR CO.
  • Page 150 REF. SAFETY PART NAME & DESCRIPTION QTY. CS-HZ25ZKE-H CS-HZ35ZKE-H CS-HZ25ZKE-5-H REMARK PARTICULAR PLATE -LOCK ACXD93-18690A ← ← BOX SHAPED PLATE ACXD66-03420 ← ← (NOTE)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock.

  • Page 151: Outdoor Unit

    21.2 Outdoor Unit 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 152 ← ← CONTROL BOARD COVER CWH131473 ← ← CONTROL BOARD COVER- ACXH13C02860 ← ← COMPLETE SOUND PROOF MATERIAL CWG302745 ← ← PANASONIC BADGE CWE373439 ← ← NORDIC HEATPUMP LABEL CWE373985 ← ← ACXG86-03760 ← ← BASE BOARD-COMPLETE CWG62C1162 ← ←...
  • Page 153 REF. SAFETY PART NAME & DESCRIPTION QTY. CU-HZ25ZKE CU-HZ35ZKE CU-HZ25ZKE-5 REMARK C.C.CASE ACXG50-48903 ← ← MODEL LABEL ACXF87-10130 ACXF87-10140 ACXF87-10150 (Note)  All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488).  “O” marked parts are recommended to be kept in stock. Printed in Malaysia FY0623-0...

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