Panasonic S-200PE4E Service Manual
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Panasonic S-200PE4E Service Manual

Panasonic S-200PE4E Service Manual

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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.
WARNING
IMPORTANT SAFETY NOTICE
CAUTION
Order No: PAPAMY2404031CE
Indoor Unit
S-200PE4E
U-200PZH4E8
S-250PE4E
U-250PZH4E8
© Panasonic Corporation 2024
Outdoor Unit
Destination
Europe
Turkey
CIS
in the Schematic

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  • 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 2024...
  • Page 2 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. • The caution items stated here must be followed because these important contents are related to safety. The meaning of each indication used is as below. Incorrect installation due to ignoring of the instruction will cause harm or damage, and the seriousness is classified by the following indications. WARNING This indication shows the possibility of causing death or serious injury. CAUTION This indication shows the possibility of causing injury or damage to properties only. The items to be followed are classified by the symbols: Symbol with white background denotes item that is PROHIBITED. Symbol with dark background denotes item that must be carried out. • Carry out test running to confirm that no abnormality occurs after the installation. Then, explain to user the operation, care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference. WARNING Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. Any unfit method or using incompatible material may cause product damage, burst and serious injury. Do not install outdoor unit near handrail of veranda. When installing air-conditioner unit on veranda of a high rise building, child may climb up to outdoor unit and cross over the handrail causing an accident. Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire. Do not tie up the power supply cord into a bundle by band. Abnormal temperature rise on power supply cord may happen. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury. Do not sit or step on the unit, you may fall down accidentally. Keep plastic bag (packaging material) away from small children, it may cling to nose and mouth and prevent breathing. When installing or relocating air conditioner, do not let any substance other than the specifi ed refrigerant, eg. air etc mix into refrigeration cycle (piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc. Do not pierce or burn as the appliance is pressurized. Do not expose the appliance to heat, flame, sparks, or other sources of ignition. Else, it may explode and cause injury or death. Do not add or replace refrigerant other than specified type. It may cause product damage, burst and injury etc. • For R32 model, use new piping, flare nut and tools which is specified for R32 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 use.
  • Page 3 WARNING This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD), with sensitivity of 30mA at 0.1 sec or less. Otherwise, it may cause electrical shock and fire in case of equipment breakdown or insulation breakdown. During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fixing refrigeration piping and valves at opened position will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc. During pump down operation, stop the compressor before removing the refrigeration piping. Removal of refrigeration piping while compressor is operating and valves are opened will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may break and cause refrigerant gas leakage. After completion of installation, confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire. Ventilate if there is refrigerant gas leakage during operation. It may cause toxic gas when the refrigerant contacts with fire. Be aware that refrigerants may not contain an odour. This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone. Otherwise, it may cause electrical shock in case of equipment breakdown or insulation breakdown. CAUTION Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire. Prevent liquid or vapor from entering sumps or sewers since vapor is heavier than air and may form suffocating atmospheres. Do not overcharge the unit, refer to gas charge specification in Outdoor Installation manual. Overcharge will cause over current and damage to compressor. Do not release refrigerant during piping work for installation, re-installation and during repairing a refrigeration parts. Take care of the liquid refrigerant, it may cause frostbite. Do not install this appliance in a laundry room or other location where water may drip from the ceiling, etc. Do not touch the sharp aluminium fin, sharp parts may cause injury. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the furniture. 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 type designation 60245 IEC 57 or heavier cord. Connect the power supply cord of the air conditioner to a circuit breaker for the permanent connection. It must be a double pole switch with a minimum 3.0mm contact gap. Power supply point should be in easily accessible place for power disconnection in case of emergency. Installation work. It may need two people to carry out the installation work. Keep any required ventilation openings clear of obstruction.
  • Page 4 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 The appliance shall be stored, installed and operated in a well ventilated room with indoor floor area larger than A ) [refer to Check of Density Limit] and without any continuously operating ignition source. Keep away from open flames, any operating gas appliances or any operating electric heater. Else, it may explode and cause injury or death. The mixing of different refrigerants within a system is prohibited. Models that use refrigerant R32 and R410A have a different charging port thread diameter to prevent erroneous charging with refrigerant R22 and for safety. Therefore, check beforehand. [The charging port thread diameter for R32 and R410A is 12.7 mm (1/2 inch - 20 UNF)]. Ensure that foreign matter (oil, water, etc.) does not enter the piping. Also, when storing the piping, securely seal the opening by pinching, taping, etc. (Handling of R32 is similar to R410A.) Operation, maintenance, repairing and refrigerant recovery should be carried out by trained and certified personnel in the use of flammable refrigerants and as recommended by the manufacturer. Any personnel conducting an operation, servicing or maintenance on a system or associated parts of the equipment should be trained and certified. Any part of refrigerating circuit (evaporators, air coolers, AHU, condensers or liquid receivers) or piping should not be located in the proximity of heat sources, open flames, operating gas appliance or an operating electric heater. The user/owner or their authorized representative shall regularly check the alarms, mechanical ventilation and detectors, at least once a year, where as required by national regulations, to ensure their correct functioning. A logbook shall be maintained. The results of these checks shall be recorded in the logbook. In case of ventilations in occupied spaces shall be checked to confirm no obstruction. Before a new refrigerating system is put into service, the person responsible for placing the system in operation should ensure that trained and certified operating personnel are instructed on the basis of the instruction manual about the construction, supervision, operation and maintenance of the refrigerating system, as well as the safety measures to be observed, and the properties and handling of the refrigerant used. The general requirement of trained and certifi ed personnel are indicated as below: a) Knowledge of legislation, regulations and standards relating to flammable refrigerants; and, b) Detailed knowledge of and skills in handling flammable refrigerants, personal protective equipment, refrigerant leakage prevention, handling of cylinders, charging, leak detection, recovery and disposal; and, c) Able to understand and to apply in practice the requirements in the national legislation, regulations and standards; and, d) Continuously undergo regular and further training to maintain this expertise. Air-conditioner piping in the occupied space shall be installed in such a way to protect against accidental damage in operation and service. Precautions shall be taken to avoid excessive vibration or pulsation to refrigerating piping. Ensure protection devices, refrigerating piping and fittings are well protected against adverse environmental effects (such as the danger of water collecting and freezing in relief pipes or the accumulation of dirt and debris).
  • Page 5 CAUTION 1. 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 securely mounted and guarded from physical damage. • Must comply with national gas regulations, state municipal rules and legislation. Notify relevant authorities in accordance with all applicable regulations. • Must ensure mechanical connections be accessible for maintenance purposes. • In cases that require mechanical ventilation, ventilation openings shall be kept clear of obstruction. • When disposal of the product, do follow to the precautions in #10 and comply with national regulations. • In case of field charge, the effect on refrigerant charge caused by the different pipe length has to be quantified, measured and labelled. Always contact to local municipal offices for proper handling. • Ensure the actual refrigerant charge is in accordance with the room size within which the refrigerant containing parts are installed. • Ensure refrigerant charge not to leak. • Wear appropriate protective equipment, including respiratory protection, as conditions warrant. • Keep all sources of ignition and hot metal surfaces away. • Explosion-proof electronic components shall only be replaced with parts specified by the appliance manufacturer. Replacement with other parts may result in the ignition of refrigerant in the event of a leak. 2. Servicing 2-1. Qualification of workers • Any qualified person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority, which authorizes their competence to handle refrigerants safely in accordance with an industry recognized assessment specification. • Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants. • Servicing shall be performed only as recommended by the manufacturer. • The system is inspected, regularly supervised and maintained by a trained and certified service personnel who is employed by the person user or party responsible. 2-2. Checks to the area • Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the precautions in #2-3 to #2-7 must be followed before conducting work on the system. 2-3. Work procedure • Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable gas or vapour being present while the work is being performed. 2-4. General work area • All maintenance staff and others working in the local area shall be instructed and supervised on the nature of work being carried out. • Avoid working in confined spaces. Always ensure away from source, at least 2 meter of safety distance, or zoning of free space area of at least 2 meter in radius. 2-5. Checking for presence of refrigerant • The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially flammable atmospheres.
  • Page 6 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. - That there is continuity of earth bonding. • At all times the manufacturer’s maintenance and service guidelines shall be followed. • If in doubt consult the manufacturer’s technical department for assistance. • If a fault exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. • If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. • The owner of the equipment must be informed or reported so all parties are advised thereinafter. 3. Sealed electrical components • Sealed electrical components shall not be repaired. 4. Cabling • Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. • The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans. 5. 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. • The following leak detection methods are deemed acceptable for all refrigerant systems. - No leaks shall be detected when using detection equipment with a sensitivity of 5 grams per year of refrigerant or better under a pressure of at least 0,25 times the maximum allowable pressure (>1.04 MPa, max 4.15 MPa) for example, a universal sniffer. - Electronic leak detectors may be used to detect flammable refrigerants, but the sensitivity can be inadequate, or can need re-calibration. (Detection equipment shall be calibrated in a refrigerant-free area.) - Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used. - Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas (25 % maximum) is confirmed. - Leak detection fluids are also suitable for use with most refrigerants, for example, bubble method and fluorescent agent method. The use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work. - If a leak is suspected, all naked flames shall be removed/extinguished. - If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system, or isolated (by means of shut off valves) in a part of the system remote from the leak. The precautions in #6 must be followed to remove the refrigerant. 6. Refrigerant removal and circuit 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.
  • Page 7 CAUTION 8. 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 8 Check of Density Limit 1. Outdoor U-200PZH4E8, U-250PZH4E8 The refrigerant (R32), which is used in the air conditioner, is a fl ammable refrigerant. So the requirements for installation space of appliance are determined according to the refrigerant charge amount (m ) used in the appliance.
  • Page 9 Splittable duct > 2.5 m Line 1 inst (S-200PE4E, S-250PE4E) When connecting the duct to either inlet side or outlet side installed on top of drop ceiling installed on top of drop ceiling installed on top of drop ceiling...
  • Page 10 When providing outlets in multiple living rooms with outlet duct installed on top of drop ceiling installed on top of drop ceiling Partition inst1 inst3 inst2 inst1 inst2 inst1 inst3 inst2 inst When not partitioning: When partitioning: Satisfy the diagram for A Satisfy the diagram for A and h inst...
  • Page 11 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 1.84 10.4 1.84 10.4 ] : The refrigerant charged (kg) ** not less than safety A min = (m / (2.5 x (LFL) )) ²...
  • Page 12 Precautions for Installation Using New Refrigerant 1. Care regarding tubing (1) Process tubing Material: Use seamless phosphorous deoxidized copper tube for refrigeration. Wall thickness shall comply with the applicable legislation. For tubes of ø22.22 or larger, use the material of temper 1/2H or H (Hard copper tube). Do not bend the hard copper tube.
  • Page 13 Important Information Regarding The Refrigerant Used This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere. Refrigerant type: R32 value: 675 GWP = global warming potential Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact your local dealer for more information.
  • Page 14 Combination of Indoor and Outdoor Units PZH4 S-200PE4E S-250PE4E U-200PZH4E8 U-250PZH4E8...

  • Page 15: Table Of Contents

    5-36 5-5. Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently....5-6. Table of Thermistor Characteristics .................. 5-37 5-7. How to Remove Fan Motor (S-200PE4E) ................5-38 5-8. How to Remove the Compressor ..................5-48 5-9. How to Remove the Electrical Component Box ...............
  • Page 16 Section 6. REMOTE CONTROLLER FUNCTIONS SECTION..........6-1. Simple Settings Function ....................6-2. List of Simple Setting Items....................6-3. Detailed Settings Function ....................6-4. List of Detailed Setting Items ....................6-5. Simple Setting Items ......................6-10 6-6. Detailed Setting Items ......................6-12 6-7.

  • Page 17: Section 1. Specifications

    1. SPECIFICATIONS 1-1. Unit Specifications.................... 1-1-2 1-2. Major Component Specifications ..............1-2-1 1-3. Other Component Specifications ..............1-3-1 1-4. Dimensional Data ..................... 1-4-1 1-5. Refrigerant Flow Diagram ................1-5-1 1-6. Operating Range ....................1-6-1 1-7. Capacity Correction Graph According to Temperature Condition ..... 1-7-1 1-8.
  • Page 18 1-1. Unit Specifications PZH4 High Static Pressure Ducted Type S-200PE4E / U-200PZH4E8 INDOOR MODEL S-200PE4E PANEL MODEL OUTDOOR MODEL U-200PZH4E8 Branch pipe MODEL Performance test condition ISO5151 / EN14511 / EN12102 / EN14825 ø, Hz 1ø 50Hz 3Ø 50Hz Power supply...

  • Page 19: Unit Specifications

    1-1. Unit Specifications PZH4 High Static Pressure Ducted Type S-250PE4E/ U-250PZH4E8 INDOOR MODEL S-250PE4E PANEL MODEL OUTDOOR MODEL U-250PZH4E8 Branch pipe MODEL Performance test condition ISO5151 / EN14511 / EN12102 / EN14825 ø, Hz 1ø 50Hz 3Ø 50Hz Power supply 220V 230V 240V...

  • Page 20: Major Component Specifications

    1-2. Major Component Specifications (A) Indoor Units High Static Pressure Ducted Type S-200PE4E MODEL No. S-200PE4E Source 220 - 230 - 240V, single-phase, 50Hz Controller P.C.B. Ass'y ACXA73C51510 Fan (Number...diameter) SIROCCO (2...ø255) Fan motor Model...Nominal output L6CBYYYL0463...750W Power source 100 - 390 VDC No.
  • Page 21 (A) Indoor Units High Static Pressure Ducted Type S-250PE4E MODEL No. S-250PE4E Source 220 - 230 - 240V, single-phase, 50Hz Controller P.C.B. Ass'y ACXA73C51510 Fan (Number...diameter) SIROCCO (2...ø255) Fan motor L6CBYYYL0238...750W Model...Nominal output L6CBYYYL0237...750W Power source 100 - 391 VDC No.
  • Page 22 (B) Outdoor Units U-200PZH4E8 U-200PZH4E8 380 - 400 - 415V 3-Phase 50Hz Control circuit fuse Model..number 9VD550XAA21 Source 520V DC MOTOR Nominal output 4,800 Compressor oil 1,900 Coil resistance Ω U-V 0.735 U-W 0.715 V-W 0.715 (Ambient temperature 25°C) Safety control Discharge temperature control Overload relay models –...
  • Page 23 (B) Outdoor Units U-250PZH4E8 U-250PZH4E8 400 - 415V 3-Phase 50Hz Control circuit fuse Model..number 9VD550XAA21 Source 520V DC MOTOR Nominal output 5,500 Compressor oil 1,900 Coil resistance Ω U-V 0.735 U-W 0.715 V-W 0.715 (Ambient temperature 25°C) Safety control Discharge temperature control Overload relay models –...

  • Page 24: Other Component Specifications

    1-3. Other Component Specifications Outdoor Units U-200PZH4E8 1-3-1...
  • Page 25 Outdoor Units U-250PZH4E8 1-3-2...

  • Page 26: Dimensional Data

    1-4. Dimensional Data (A) Indoor Units High Static Pressure Ducted Type S-200PE4E, S-250PE4E Required Minimum Space for Installation and Service (1) Dimensions of suspension bolt pitch and unit Unit: mm Min. 650 (Space for service) 1,006 Inspection access 465 (Suspension (600×600)
  • Page 27 (B) Outdoor Units U-200PZH4E8, U-250PZH4E8 Mounting hole (4-R6.5), anchor bolt : M10 Refrigerant tubing (liquid tube), flared connection (ø12.7) Refrigerant tubing (gas tube), flared connection (ø22.22) 97 250 200 Refrigerant tubing port Electrical wiring port (ø13) Electrical wiring port (ø22) Electrical wiring port (ø27) Electrical wiring port (ø35) 1-4-2...

  • Page 28: Refrigerant Flow Diagram

    1-5. Refrigerant Flow Diagram Cooling cycle Heating cycle Indoor Unit : S-200PE4E S-250PE4E Outdoor Unit : U-200PZH4E8, U-250PZH4E8 High pressure 22.22 switch Gas line 4-way valve service valve Muffler Muffler Outdoor-air Suction Temp Temp Thermistor Thermistor Heat exchanger Temp Thermistor...

  • Page 29: Operating Range

    1 1 1 1-6. Operating Range S-200PE4E - U-200PZH4E8 S-250PE4E - U-250PZH4E8 Temperature Indoor air intake temperature Outdoor air intake temperature Max. 32°C DB / 25°C WB 52°C DB COOLING Min. 18°C DB / 14°C WB -15°C DB Max. 30°C DB / - WB 35°C DB / 24°C WB...

  • Page 30: Capacity Correction Graph According To Temperature Condition

    1-7. Capacity Correction Graph According to Temperature Condition U-200PZH4E8, U-250PZH4E8 Cooling capacity ratio (maximum capacity) Heating capacity ratio (maximum capacity) 140.0% 130.0% 120.0% 120.0% 110.0% 100.0% 100.0% 80.0% 90.0% 24℃ 60.0% 80.0% 20℃ 70.0% 40.0% 16℃ 60.0% 20.0% 50.0% 0.0% 40.0% 30.0% Outdoor air intake temp (°C DB )
  • Page 31 Graph of capacity change characteristics resulting from tubing length and elevation difference (Performance correction coefficients by elevation difference of refrigerant tube length [performance change rate ÷ 100] is calculated by the following line map.) U-200PZH4E8 U-250PZH4E8 <Cooling> <Heating> Base capacity Base capacity 78 76 change rate...
  • Page 32 U-200PZH4E8 Rated Capacity ratio for cooling Rated Capacity ratio for heating 140% 140% 120% 120% 121% 119% 100% 100% Capacity (kW) 10.0 15.0 20.0 25.0 30.0 Capacity (kW) U-250PZH4E8 Rated Capacity ratio for cooling Rated Capacity ratio for heating 140% 140% 133% 128%...

  • Page 33: Noise Criterion Curves

    1-8. Noise Criterion Curves High Static Pressure Ducted Type S-200PE4E, S250PE4E HIGH : S-200PE4E : S-250PE4E MODEL MODEL SOUND LEVEL SOUND LEVEL : HIGH 46 dB(A) : HIGH 47 dB(A) 41 dB(A) 42 dB(A) CONDITION : Under the unit 1.5 m CONDITION : Under the unit 1.5 m...
  • Page 34 U-200PZH4E8, U-250PZH4E8 COOLING HEATING : U-200PZH4E8 : U-200PZH4E8 MODEL MODEL SOUND LEVEL : 57 dB(A) SOUND LEVEL : 61dB(A) CONDITION : 1 m in front at height of 1.5 m CONDITION : 1 m in front at height of 1.5 m NC-70 NC-70 NC-60...

  • Page 35: Installation Instructions

    1-9. Installation Instructions High Static Pressure Ducted Type S-200PE** S-250PE** n SELECT THE INDOOR UNIT INSTALLATION LOCATION 1-1. Indoor Unit Provide a check port on the piping side ceiling for repair and maintenance. G Install the indoor unit once the following conditions are satisfi ed and after receiving the customer approval. 1.
  • Page 36 1-3. How to separate the indoor unit (1) Remove the wire cover. 1. Loosen two screws. 2. Move to the left and remove the wire cover through the round hole. Two screws Remove the wire cover. Move to the left. (2) Remove the fan cover unit.
  • Page 37 1-4. How to assemble the indoor unit (1) Attach the fan motor unit. 1. Pass the bolts for the heat exchanger 2. Attach three bolts in the lower side and then 3. Attach the motor wire. unit through the round holes. fasten three bolts in the upper side.
  • Page 38 n HOW TO INSTALL THE INDOOR UNIT 2-1. Required Minimum Space for Installation and Service (1) Dimensions of suspension bolt pitch and unit Min. 650 Unit: mm (Space for service) 1,006 Inspection access 465 (Suspension (600×600) bolt pitch) (Field supply) Min.
  • Page 39 2-2. Suspending the Indoor Unit Depending on the ceiling type: (1) Check the suspension bolt pitch. (2) Ensure that the ceiling is strong enough to support the weight of the unit. (3) To prevent the unit from dropping, firmly fasten the suspension bolts as shown in the figure below. NOTE Unit: mm Hexagonal nut (field supply)
  • Page 40 2-4. Installing the Drain Piping 2-4-1. Before Performing the Installation Drain Piping (1) (Prepare standard hard PVC pipe (O.D. 32 mm) for the drain and use the supplied drain socket to prevent water leaks. The PVC pipe must be purchased separately. When doing this, apply adhesive for the PVC pipe at the connection point.
  • Page 41 2-5. Caution for Ducting Work • This unit has high static pressure. In case of small pressure resistance (for instance, a short duct), install an airflow control damper (field supply) for adjusting airflow volume as airflow volume / airflow noise increases. •...
  • Page 42 3-3. Recommended Wire Length and Wire Diameter for Power Supply System Indoor unit Power Supply Cable Time Delay Fuse or Min. Wire Model Recommended Wire Length and Wire Diameter for Power Supply Cable Power Circuit Size Supply Capacity (A) Wire Size (mm ) Max.
  • Page 43 n REFRIGERANT PIPING Must ensure mechanical connections be accessible for maintenance purposes. The liquid tubing side is connected by a fl are nut, and the gas tubing side is connected by brazing. 4-1. Connecting the Refrigerant Tubing Cautions During Brazing •...
  • Page 44 If the exterior of the outdoor unit valves has been fi nished with a CAUTION square Duct covering, make sure you allow suffi cient space to access the valves and to allow the panels to be attached and removed. (4) Finishing the Installation •...
  • Page 45 n EXTERNAL STATIC PRESSURE SETTING Choose one of the methods (selection of “a”, “b”, “c” within the range of dotted line as shown in the fl owchart below) and make settings. a. No setting changes: When using as it is factory preset at shipment. (If resetting after external static pressure setting once, it might be different from factory preset.) b.
  • Page 46 7-3. Operating the High-spec Wired Remote Controller (CZ-RTC5B) How to set the external static pressure (1) Keep pressing the Table 7-3 Setting the external (4) Select the “Set data” by pressing Maintenance func 20:30 (THU) static pressure buttons simultaneously button. 20:30 (THU) 0.
  • Page 47 7-5. Indoor Fan Performance Type 200 (External static pressure 75 Pa) (External static pressure 120 Pa) (External static pressure 180 Pa) Item code 5d = 0001 Item code 5d = 0003 Item code 5d = 0006 Setting at shipment 45 50 55 60 65 70 75 80 85 45 50 55 60 65 70 75 80 85 45 50 55 60 65 70 75 80 85 Air Volume (m...
  • Page 48 n APPENDIX I Name of Parts High Static Pressure Ducted Electrical Component Box Air intake side duct flange (rear) Electronic Electrical component box Controller Electronic Controller (FM Power) (Main) Water drain Air outlet side duct flange Electronic Controller (Communication) I Care and Cleaning WARNING CAUTION Engage authorized dealer or specialist for cleaning.
  • Page 49 n REMOTE CONTROLLER INSTALLATION INSTRUCTION CZ-RTC4 / CZ-RTC4A Installation Precautions Installation Location 5 mm or more  Install at the height of 1 to 1.5 m from the fl oor (Location where average room temperature can be detected).  Install vertically against the floor. 50 mm or ...
  • Page 50 When setting both the main and sub remote controllers After installation, set one remote controller to [Main] and the other to [Sub] for [Main/sub] for “Setting” (P.1-11-1-2-18). Installation example Using 1 indoor unit Using more than 1 indoor unit RC (main) RC (sub) RC (main) RC (sub)
  • Page 51 Mount to the wall. Exposed type Top case Bottom case (Back side) (Back side) Claw (2 places) Terminal board 150 mm Hole for screw Claw (2 places) Screw (supplied) 6 mm Avoid the wire being caught. 1 Make 2 holes for screws using a driver. 6 Connect the remote control wiring.
  • Page 52 Setting / Test operation / Specifications Setting Test operation  Clock Turn on the circuit breaker beforehand, referring to  RC. setting mode (Main/sub, Clock type) the operating instructions for the unit. The remote  Detailed setting mode (Ventilation fan output controller starts.
  • Page 53 CZ-RTC5B Specifications Supplied accessories Model No. CZ-RTC5B Dimensions (H) 120 mm x (W) 120 mm x (D) 16 mm Screw Quick Reference Clamper M3.8 x 16 Weight 180 g Temperature/ 0 ˚C to 40 ˚C / 20 % to 80 % (no condensation) Humidity range *Indoor use only.
  • Page 54 Installation Precautions Installation location  Install at the height of 1 to 1.5 m from the fl oor (Location where average 5 mm or more room temperature can be detected).  Install vertically against the fl oor. 50 mm or ...
  • Page 55 Mounting Remove the bottom case. Attention Mounting the bottom case  Tighten the screws securely until the screw heads touch the bottom case. (Otherwise, loose screw heads may hit the PCB and cause malfunction when mounting the top case.) Insert the driver ...
  • Page 56 Embedded type Preparation: Make 2 holes for screws using a driver. Mount the top case. Mount the bottom case to the wall.  Align the claws of the top  Pass the wire through the hole in the centre case and then align the of the bottom case.
  • Page 57 Setting Preparation: Turn on the circuit breaker of units and then turn the power on. The remote controller starts, and wait until the [Assigning] display disappears. (If [Assigning] continues to blink for 10 minutes or more, check the address setting of indoor units.) Note To return to the previous screen...
  • Page 58  Service contact Press and hold the 3 buttons for 4 seconds or more simultaneously. , ► Select the item to set. ▲ ▼ → Service contact Select. Name ▲ ▼ → Name Contact number ▲ ▼ ◄ ► → (Repeat the same procedure for all characters.) •...
  • Page 59 CZ-RTC6/CZ-RTC6BL/CZ-RTC6BLW Part Names (Control panel) The control panel colour of CZ-RTC6 series is white. 1) LCD screen 2) Menu button ● When pressed repeatedly during operation, this shows operating status confi rmation, set temperature, operation mode, fan speed, fl ap, and the menu screen.
  • Page 60 Installation Precautions Installation location  Install at the height of 1 to 1.5 m from the fl oor (Location where average room temperature can be detected). 50 mm  Install vertically against a wall or suitable supporting structure.  Keep a space around the remote controller as detailed on 50 mm 50 mm the fi gure shown left.
  • Page 61 Mounting Remove the top case. Insert the screwdriver to the bottom case. Push the fl at-blade screwdriver in. Insert the fl at-blade screwdriver to the claws as show in Push down the fl at-blade screwdriver along with the the fi gure. slope of the claws until the top case comes off...
  • Page 62 Exposed type A protective fi lm is attached on the Control panel. Mount the top case. Mount the bottom case to the wall. Remove the coating. Approx. 9 mm ● Align the claws of the top ● Pass the wire through the wiring case and then align the hole in the bottom case and lay the claws of the bottom case.

  • Page 63: (B) Outdoor Unit

    (B) Outdoor Unit U-200PZH4E8, U-250PZH4E8 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 The appliance shall be stored, installed and operated in a well ventilated room with indoor fl oor area larger than A (m²) [refer to Check of Density Limit] and without any continuously operating ignition source.
  • Page 64 CAUTION 1. 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 securely mounted and guarded from physical damage. •...
  • Page 65 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 66 8. 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 67 Density Limit Line inst 10.40 kg 10.40 kg High Static Pressure Duct > 2.5 m Line 1 inst (S-200PE4E, S-250PE4E) 4-Way Cassette > 2.2 m Line 1 inst Duct Units (Horizontal Installation) 1.8 m < h < 2.2 m Duct Units (Horizontal Installation)
  • Page 68 n SELECT THE OUTDOOR UNIT INSTALLATION LOCATION Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and WARNING bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fi ns on the air conditioner can cut your fi...
  • Page 69 (B) If there are obstacles at the discharge If the upper part is open 1 For separate installation location 2 For multiple units (more than 2 units) If there are obstacles above the unit 1 For separate installation location 2 For multiple units (more than 2 units) (C) If there are obstacles on both the intake and discharge If there is an obstacle that is higher than the unit on the intake side.
  • Page 70 If the upper part is open 2 For multiple units (more than 2 units) 1 For separate installation location If there are obstacles above the unit 2 For multiple units (up to 2 units) For separate installation location • The dimensions for H, A and L are shown in the •...
  • Page 71 n TRANSPORT AND INSTALL THE OUTDOOR UNIT • Transporting 1. Transport the outdoor unit in its original packaging as close as possible to the installation location. 2. In the event that the unit needs to be lifted or suspended, use a rope or belt and use cloth or wood as padding to avoid damaging the unit. 3.
  • Page 72 Tubing Thickness: Size mm (in.) ø6.35 (1/4) ø9.52 (3/8) ø12.7 (1/2) ø15.88 (5/8) ø19.05 (3/4) ø22.22 (7/8) ø25.4 (1) Thickness. mm > 0.8 > 0.8 > 0.8 > 1.0 > 1.0 > 1.0 > 1.0 l a i Precautions when operating the 3-way valve for tubing installation •...
  • Page 73 Precautions for fl are nut installation Deburring Use of the Flaring Method Many of conventional split system air conditioners employ the fl aring method to connect refrigerant tubes that run between indoor and outdoor units. In this method, the copper Before After Copper...
  • Page 74 n LEAK TEST AND EVACUATION Leak Tightness Test Method Use nitrogen gas for the leak tightness test. • Keep 3-way valve fully closed and pressurize through 3-way valve service port. Use fl ammable gas can cause an explosion. • Do not pressurize to the default value at once.Pressurize gradually. (1) Pressurize to 0.5MPa {5 kgf/cm G} and then leave it for 5 minutes to ensure that the Outdoor unit...
  • Page 75 n ELECTRICAL WIRING This air conditioner must be installed in accordance with national wiring regulations. Cables connected to outdoor unit must be approved polychloroprene sheathed type 60245 IEC 57 or H05RN-F/H07RN-F or heavier. The units must be connected to the supply cables for fi xed wiring by qualifi ed technician. Circuit breaker must be incorporated in the fi...
  • Page 76 Outdoor unit This equipment complies with EN/IEC 61000-3-12 provided that the short-circuit power Ssc is greater Power supply cable Time delay than or equals to 1 kVA at the interface point Recommended Wire Length and Wire Diameter for Power Supply Cable fuse or circuit 1 Min.
  • Page 77 n TWIN, TRIPLE AND DOUBLE TWIN TYPE CONNECTIONS Two, three or four indoor units can be operated simultaneously with a single remote control unit. Note that individual operation is not possible. Master unit and slave unit can be set automatically in twin and triple system. No address setting is necessary.
  • Page 78 Refrigerant charging For the twin connection, the amount of refrigerant required for pipe length 30m has been included in this unit at the factory while that required for Liquid pipe Addition amount pipe length 20m has been included for the triple/double-twin connections. diameter of refrigerant [g/m] No additional charge is required for the fi...
  • Page 79 n PRECAUTIONS REGARDING TEST RUN Check Before Test Run Content check • Outdoor unit Check that the insulation resistant value is more than 1MΩ. Use the 500 V mega-testers to measure the insulation. Check point : between power supply terminal block (L1, L2, L3, N or L, N) to earth. Do not use the mega-tester for any other circuit except for voltage of 230-240V~ or 400-415V 3N~.
  • Page 80 Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit. How to perform Pump-Down (Refrigerant recovery) properly (1) Stop operation of the unit (cooling, heating etc.).
  • Page 81 n WIRING PROCEDURE Follow the wiring procedure below for terminal connection. (1) Secure and clamp the power and signal lines with the tie, set up close to the valve. (2) Set the wiring and cables for the power and signal lines to the outdoor unit together, and secure each wire and cable with the tie. (3) Set up the wiring and cable for the outdoor unit tubing and secure with a tie.

  • Page 82: Capacity Table

    1-10. Capacity Table High Static Pressure Ducted Type S-200PE4E, S-250PE4E 1. Cooling capacity performance data :Cooling Capacity SHC :Sensible Heat Capacity IPT :Cooling Power Consumption unit : kW S-200PE4E U-200PZH4E8 Outdoor air intake temp (℃　D.B.） Ambient 20.1 15.0 19.8 12.6 18.4...
  • Page 83 2. TEST RUN 2. TEST RUN 2. TEST RUN 2. TEST RUN 2-1. Preparing for Test Run ..................... 2-2. Precautions ....................... Indoor Units Caution ........................2-3. Test Run Procedure ....................2-4. Items to Check Before the Test Run ............... 2-5. 2-6.

  • Page 84: Preparing For Test Run

    2-1. Preparing for Test Run Before attempting to start the air conditioner, check the following: (1) All loose matter is removed from the cabinet especially steel filings, bits of wire, and clips. (Power must be turned ON (2) The control wiring is correctly connected and all at least 12 hours before attempting test run) electrical connections are tight.

  • Page 85: Precautions

    Electronic Controller (Communication). If operation is still not possible after shift to EMG connector, cut the jumper JP040 on the same indoor unit Electronic Controller (Communication). High Static Pressure Ducted Type S-200PE4E, S-250PE4E Electronic Controller (Communication) (CN040, blue)

  • Page 86: Indoor Units

    Indoor Units 2-3. Caution This unit may be used in a single-type refrigerant system where 1 outdoor unit is connected to 1 indoor unit. The indoor and outdoor unit control PCB utilizes a semiconductor memory element (EEPROM). The settings required for operation were made at the time of shipment. Only the correct combinations of indoor and outdoor units can be used.

  • Page 87: Section 2. Test Run

    2-5. Items to Check Before the Test Run (1) Turn the remote power switch ON at least 12 hours in advance in order to energize the crankcase heater. (2) Fully open the closed valves on the liquid-tube and gas-tube sides. 2-6.
  • Page 88 <Procedure of CZ-RTC5B> This mode places a heavy load on the machines. Therefore use it only when performing the test run. (1) Keep pressing the buttons simultaneously for 4 or more seconds. 20:30 (THU) The “Maintenance func” screen appears on the LCD display. Maintenance func 20:30 (THU) 1.
  • Page 89 <Procedure of CZ-RTC4 / CZ-RTC4A> This mode places a heavy load on the machines. Therefore use it only when performing the test run. (1) Press the remote controller button for 4 seconds or longer. Then press the button. “ ” appears on the LCD display while the test run is in progress. •...

  • Page 90: Contents Of Remote Controller Switch Alarm Display

    2.7. Contents of Remote Controller Switch Alarm Display Blinking: OFF: Wireless remote controller receiver display Abnormal Alarm contents Error location display Faulty remote controller • Replace the remote controller Disconnection / Contact failure of remote controller wiring • Correct the remote controller wiring CHK (check) pins on the indoor unit control PCB are short •...
  • Page 91 Blinking: OFF: Wireless remote controller receiver display Abnormal Alarm contents Error location display Indoor unit fan motor locked • Remove the cause Indoor unit fan motor layer short • Replace the fan motor Contact failure in thermostat protector circuit • Correct the wiring •...
  • Page 92 Blinking: OFF: Wireless remote controller receiver display Abnormal Alarm contents Error location display Correct the indoor / outdoor control line* • Disconnection / Contact failure of indoor / outdoor control line* • Check the electrical connection of fuse(F302) on indoor Standby lamp unit control PCB E06 blinking...
  • Page 93 Blinking: OFF: Wireless remote controller receiver display Abnormal Alarm contents Error location display Timer and standby Valve error • Valve blockage lamp blinking Refrigerant circuit error. • Check the refrigerant circuit alternately Wrong installation for refrigerant piping and wiring • Check the refrigerant piping and wiring installation •...

  • Page 94: System Control

    2.8. System Control System control refers to the link wiring connection for control of simultaneous-operation multi systems, group control, and main-sub remote controller control. 2-3-1-6-1. Basic wiring diagram : 3-LINE CONNECTION • Be careful to avoid miswiring when connecting the wires. (Miswiring will damage the units.) (for 3-phase Outdoor unit) (Example of SINGLE type) Ground...
  • Page 95 (Wiring procedure) (1) Connect the remote controller to the indoor unit remote controller wiring terminal plate (R1, R2). (Remote controller wiring) (2) Connect the indoor units (L / 1, N / 2, 3) and the outdoor units (1, 2, 3). Connect the remote controller communication wiring to the indoor units (R1, R2) for each refrigerant system.
  • Page 96 2-3-1-6-3. Auto Address Setting Using the Remote Controller <Procedure of CZ-RTC6 series> (1) Keep pressing the buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the LCD display. Maintenance func XX / XX ECONAVI nanoeX RC. setting mode CZ-RTC6 series (2) Press the button to see each menu.
  • Page 97 <Procedure of CZ-RTC5B> (1) Keep pressing the buttons simultaneously for 4 or more seconds. 20:30 (THU) The “Maintenance func” screen appears on the LCD display. Maintenance func 20:30 (THU) ] START 1. Outdoor unit error data 2. Service contact 3. RC setting mode 4.
  • Page 98 <Procedure of CZ-RTC4 / CZ-RTC4A> NOT E • Selecting each refrigerant system individually for auto address setting • Auto address setting for each system : Item code “A1” (1) Press the remote controller timer time button and button at the same time. (Press and hold for 4 seconds or longer.) (2) Next, press either the temperature setting button.
  • Page 99 2-3-1-6-4. Checking the Indoor Unit Addresses Use the remote controller to check the indoor unit address. <Procedure of CZ-RTC6 series> (1) Keep pressing the buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the LCD display. Maintenance func XX / XX ECONAVI...
  • Page 100 <Procedure of CZ-RTC5B> 20:30 (THU) (1) Keep pressing the buttons simultaneously for 4 or more seconds. ] START The “Maintenance func” screen appears on the LCD display. Maintenance func 20:30 (THU) 1. Outdoor unit error data 2. Service contact 3. RC setting mode 4.
  • Page 101 <Procedure of CZ-RTC4 / CZ-RTC4A> <If 1 indoor unit is connected to 1 remote controller> Number changes to indicate which Press and hold the button and button for 4 indoor unit is currently selected. seconds or longer (simple settings mode). Indoor unit address The address is displayed for the indoor unit that is connected to the remote controller.
  • Page 102 2-3-1-6-5. Main-Sub Remote Controller Control One (1) indoor unit can be controlled by two (2) wired remote controllers. In the case of using 2 remote controllers, one of them needs to be designated as the sub remote controller. Connecting 2 remote controllers to control 1 Indoor unit Remote controller Remote controller (main)
  • Page 103 <Procedure of CZ-RTC5B> Press and hold the for 4 seconds or more simultaneously. 20:30 (THU) Maintenance func 20:30 (THU) 1. Outdoor unit error data Select “3. RC. setting mode”. 2. Service contact → 3. RC. setting mode ] START 4. Test run Sel.

  • Page 104: Test Run Procedure

    Outdoor Units 2-9. Test Run Procedure If there are duplicated system addresses, or if the settings for the Nos. of the indoor units are not consistent, an alarm will occur and the system will not start. Switch the power supply ON both indoor and outdoor unit.

  • Page 105: Caution For Pump Down

    2-12. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit. How to perform Pump-Down (Refrigerant recovery) properly (1) Stop operation of the unit (cooling, heating etc.).

  • Page 106: Section 3. Electrical Data

    3. ELECTRICAL DATA 3-1. Outdoor Units (Electric Wiring Diagram) ..............3-2 3-2. Indoor Units (Electric Wiring Diagram) ..............3-3 High Static Pressure Ducted Type S-200PE4E, S-250PE4E...

  • Page 107: Outdoor Units (Electric Wiring Diagram)

    3-1. Outdoor Units (Electric Wiring Diagram) U-200PZH4E8, U-250PZH4E8...

  • Page 108: Indoor Units (Electric Wiring Diagram)

    3-2. Indoor Units (Electric Wiring Diagram) High Static Pressure Ducted Type S-200PE4E...
  • Page 109 High Static Pressure Ducted Type S-250PE4E...
  • Page 110 4. PROCESS AND FUNCTIONS 4-1. Control Functions ....................... 4 - 2 4-2. Outdoor Unit Control PCB ..................4 - 9 4-3. Outdoor Unit HIC Board ..................... 4-12 4-4. Indoor Unit Control PCB Switches and Functions ..........4-13...

  • Page 111: Control Functions

    4-1. Control Functions 1. Indoor Air Temperature Control The thermostat is switched on and off in accordance with T shown below. T= (Indoor air temperature) - (Temperature set with the remote controller) In the body thermostat mode Indoor air temperature = (Body sensor) - (Shift temperature *) (setting at factory shipment) In the remote controller thermostat mode Indoor air temperature = (Remote controller sensor) * Shift Temperature...
  • Page 112 By the control method, not only the thermostat is switched on and off, as explained section “1. Indoor Air Temperature Control”, but also the frequency of the compressor’s inverter is controlled in accordance with T and fluctuations in indoor air temperature. Inverter frequency is controlled as follows: When T is high (not yet reached the temperature set Controlled so that the inverter frequency is increased.
  • Page 113 4) Condensation Temperature Control (cooling) This system control is performed to limit the inverter frequency in order to restrict high pressure’s abnormal increase and high-load operating prevention in the cooling mode. In accordance with the temperature of the outdoor heat exchanger temperature sensors (C1, C2), such controls are performed as to halting the operations of the indoor unit, decreasing the inverter frequency and restricting its increase, etc.
  • Page 114 6) Cooling Freeze Prevention Control The following control is performed during cooling operations (including dry mode operation), in accordance with whichever of the indoor heat exchanger temperatures (E1 or E2) is lower. (See the chart below.) (a) Frequency will not be decreased less than 6 minutes after thermostat ON. (b) The threshold value is increased in accordance with the indoor load (differences of temperature).
  • Page 115 8) Defrosting Control This control function removes frost that has adhered to the outdoor heat exchanger during the heating operation. The control is performed to prevent the deterioration of the heating capabilities attributed to the adherence of frost, and to prevent the crack or crush of pipes attributed to the accretion of ice. The following control is performed in accordance with the ambient temperature and the outdoor heat exchanger temperature sensor (C1).
  • Page 116 <U-200PZH4E8, U-250PZH4E8> Outdoor heat exchanger temperature sensor min (C1, C2) (°C) Ambient temperature -27.8 -6.6 -8.6 (c) Following satisfied condition is detected for accumulation of over 80 minutes. Outdoor heat exchanger temperature sensor min(C1, C2) < -3 °C Heating Mask Time This refers to the shortest time that heating operations must be performed without defrosting operations being executed.
  • Page 117 10) Outdoor Unit's Electrical Expansion Valve Control The electrical expansion valve controls the amount of refrigerant that is allowed to flow in accordance with the operation status. The valve is adjusted in accordance with the discharge temperature (TD), the outdoor heat exchanger temperature sensor (C1), the suction temperature sensor (TS), and the indoor unit's heat exchanger temperature sensors (E1 and E2).

  • Page 118: Outdoor Unit Control Pcb

    4-2. Outdoor Unit Control PCB U-200PZH4E8, U-250PZH4E8 CN-FM CN-FM_LO CN-OPT2 CN-63PH CN-OPT1 CN-HIC3 CN-RY CN-HIC2 CN-HIC1 CN-TD CN-C1 CN-TS CN-TO CN-C2 CN-MOV1...
  • Page 119 Explanation of Functions A. ADD pin (2P, Black) Auto address setting pin • Short-circuit this pin for 1 second or longer to automatically set the addresses at the indoor units that are connected to that outdoor unit and are within the same system. •...
  • Page 120 Table 4-1. Method of System Address Setting [SW2 (rotary, yellow), SW1 (2P DIP switch, black)] Outdoor system SW2 setting SW1 setting address No. (system address switch) 1P (10s-digit place) 2P (20s-digit place) 1 system only System controller Outdoor Outdoor Outdoor Outdoor Indoor Indoor...

  • Page 121: Outdoor Unit Hic Board

    4-3. Outdoor Unit HIC Board U-200PZH4E8, U-250PZH4E8 CN-RY700 CN-HIC700 CN-HIC701 CN-HIC702 4-12...

  • Page 122: Indoor Unit Control Pcb Switches And Functions

    Take care of faulty wiring 220~240V connecting prohibited U1 U2 R1 R2 Indoor power supply Wired remote controller wiring (Optional) Connection cable Integrated control system between indoor and wiring (Optional) outdoor unit High Static Pressure Ducted Type S-200PE4E, S-250PE4E 4-13...
  • Page 123 Indoor Unit Control Board 4-14...
  • Page 124 S-200PE4E, S-250PE4E 4-15...
  • Page 125 Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently ..5-36 5-6. Table of Thermistor Characteristics ................ 5-37 5-7. How to Remove Fan Motor (S-200PE4E) ..............5-38 5-8. How to Remove the Compressor ................5-48 5-9. How to Remove the Electrical Component Box ............. 5-49...

  • Page 126: Contents Of Remote Controller Switch Alarm Display

    5-1. Contents of Remote Controller Switch Alarm Display...
  • Page 127 Blinking: OFF: Wireless remote controller receiver display Wired remote Possible cause of malfunction control display Faulty wiring connections of (ceiling) indoor unit panel Faulty drain pump Activation of float switch Drainage failure wiring Contact failure of float switch wiring Timer and standby lamp blinking Faulty drain pump Faulty drain pump...
  • Page 131 Check Prior to Auto Address Setting * If an outdoor unit displays an alarm, conduct this process after diagnosing the problem. 1 Auto Address Is the power of the indoor unit(s) and outdoor unit(s) on? Power on. Indoor/ Has the wiring of the indoor/outdoor control line been completed? outdoor Is it all connected? Connect the wiring.
  • Page 132 Mini VRF SYSTEM Trouble Diagnosis 4. Mini VRF System Alarm Codes...
  • Page 133 E06 Outdoor Unit Failed to Receive Serial Communication Signals from Indoor Unit (When indoor unit(s) are connected) Error Detection Method It is judged an error when there is no transmission (reply) from the indoor unit to the outdoor unit for a period of three minutes. The indoor unit is not turned on.
  • Page 134 Indoor Unit Control Board High Static Pressure Ducted Type S-200PE4E, S-250PE4E TEST PIN DISP PIN CHK PIN 5-10...
  • Page 135 E15 Automatic Address Alarm (The total capacity of indoor units is too low.) Error Detection Method Connecting indoor unit It is judged an error the total capacity of indoor units replied by communication is lower than that of outdoor unit. •...
  • Page 136 Indoor Unit Control Board High Static Pressure Ducted Type S-200PE4E, S-250PE4E TEST PIN DISP PIN CHK PIN 5-12...
  • Page 137 Indoor Unit Fan Motor Control Board 5-13...
  • Page 138 5-14...
  • Page 139 F06 Inlet Temperature Sensor (C1) in Heat Exchanger Trouble Error Detection Method In case of open or short • Error Diagnosis 1 Sensor Is the connector properly connected to PCB? Trouble Reconnect & check. Replace sensor. Is the resistor between the sockets infinity or 0 ohm? 2 Control Outdoor unit control PCB failure Replace PCB with a new one.
  • Page 140 F12 Compressor inlet Suction Temperature Sensor (TS) Trouble Error Detection Method It is judged an error when open circuit or short circuit. Error Diagnosis 1 Sensor Sensor connector is connected to PC board properly. Reconnect and check. Replace sensor. Resistance between sockets is infinity or 0 ohm. 2 Outdoor control Replace PC board because of outdoor control PC board failure.
  • Page 141 H01 Primary (input) Overcurrent Detected Error Detection Method • Primary current effective value detected overcurrent (trip current value). Trip current value HP = horse power 3-phase model 8 HP 10 HP Heating 18.0A 19.5A Cooling 15.5A 17.0A Error Diagnosis 1 Power Check power supply.
  • Page 142 H03 Primary Current CT Sensor (current sensor) Failure Error Detection Method It is judged an error based on the criteria listed below. • If 18A or greater is detected when the compressor is stopped (alarm triggered even if the connector is unplugged). •...
  • Page 143 H31 HIC Trouble Error Detection Method It is judged an error if the computer detects an error signal from the HIC. An error signal is issued by the HIC if abnormal heat occurs inside the HIC or if there is an overcurrent. However, it is judged an error in the same way if the signal line from the HIC is not connected properly or opened.
  • Page 144 Tester terminals HIC- HIC+ Resistance value (ohm) 1 k to 10 k 1 k to 10 k 1 k to 10 k 5 k to 20 k 20 k to 20 k to 20 k to 20 k to Tester terminals Resistance value (ohm) 20 k to 20 k to...
  • Page 145 L04 Outdoor Unit Address Duplication Error Detection Method It is judged an error when the identical self-address communication on the indoor and outdoor wirings is received over 5 times within 3 minutes. Error Diagnosis 1 System Are other outdoor units using a duplicate setting? address Installation When units are networked, first set the system address for each outdoor unit in the order...
  • Page 146 L18 4-way Valve Operation Failure Error Detection Method It is judged an error when during heating operation (Comp. ON), the highest detected temperature at an outdoor unit heat exchanger (C1) was 20°C or more above the outdoor air temperature (Air Temp.) continuously for 5 minutes or longer.
  • Page 147 P04 High Pressure Trouble Error Detection Method It is judged an error if the internal circuit of the high pressure switch is dead. The electronic circuitry of the high pressure switch is cut off if the pressure at the pressure sensor port of the high pressure switch reaches 3.80 MPa.
  • Page 148 3 Problem Prevent air short The intake temperature (ambient temperature) of the indoor unit is around the circuit. above 36°C. heat exchanger Clean the filter. The filter of the indoor unit is clogged. Replace the indoor fan (motor). The fan of the indoor unit is broken or the fan motor is faulty. 4 Blockage Is the outdoor unit’s electronic control valve operating correctly? in the...
  • Page 149 Mini VRF SYSTEM Trouble Diagnosis 4. Mini VRF System Alarm Codes Note : The work involved in diagnosing each of the items is extremely dangerous, so turn the power off at the breaker before performing the tests. 1 Check 1-4 : Single-phase model Is the voltage on each of the the power 1-2 : 3-phase model...
  • Page 150 P13 Alarm Valve Open Error Detection Method Detection is performed only in the test run. When once detected or the test run finished without any error, the second detection will not be done. In case of forgetting to open a valve, P04 (high-pressure switch operational alarm) is occasionally preceded due to the following conditions.
  • Page 151 P15 Insufficient Gas Level Detected Abnormal Detection Method Alarm occurs in the following cases: • Compressor's current value shows lower than a certain value. • Compressor's discharge temperature exceeds 95°C. • Electronic expansion valve is fully opened. • The difference between indoor unit heat exchanger temperature and intake temperature is less than 4K. Error Diagnosis 1 Adjustment Recharge with...
  • Page 152 P16 Compressor Overcurrent Trouble Meaning of Alarm • Secondary current effective value detected the overcurrent (trip current value). 3-phase model (8HP & 10HP) : Trip current = 25.0 A • Secondary current instantly detected overcurrent (trip current value). 3-phase model (8HP & 10HP) : Trip current = 38.0 Apeak Check of content 0 Multiple Replaced the compressor (added oil, if it was necessary)
  • Page 153 Mini VRF SYSTEM Trouble Diagnosis 4. Mini VRF System Alarm Codes 4 Check the Take measures. Outdoor air intake temperature is high. situation Correct May be caused by poor outdoor unit air flow (dirty or clogged heat exchanger, blocked discharge port, etc.) Prevent air short Air short circuit has occurred.
  • Page 154 Mini VRF SYSTEM Trouble Diagnosis 4. Mini VRF System Alarm Codes 9 Check the See what happens. Replace the HIC PC board and operate the unit. (Apply putty and HIC PC screws must not be loose) Does it operate normally? 10-1 boards 10 Check the...
  • Page 155 Mini VRF SYSTEM Trouble Diagnosis 4. Mini VRF System Alarm Codes 1 Wiring Are the connectors “CN-FM_UP” and “CN-FM_LO” firmly Correct the connector connected to the outdoor control PC board (lock engaged)? connections. Outdoor Disconnect the connectors “CN-FM_UP” and “CN-FM_LO” from fan motor the outdoor control PC board and rotate the outdoor fan by hand;...
  • Page 156 P29 Lack of INV compressor wiring, INV compressor actuation failure (including locked), DCCT failure Error Detection Method Abnormal current is detected at DCCT before start-up. • Start-up failed during overcurrent and/or step-out detected. • • Open-wire of compressor and/or backspin detected. •...
  • Page 157 ■ Outdoor Unit Control HIC PCB U-200PZH4E8, U-250PZH4E8 (3-phase outdoor unit HIC PC board) 5-33...
  • Page 158 Mini VRF SYSTEM Trouble Diagnosis 4. Mini VRF System Alarm Codes 1 Other indoor Survey the indoor unit that alarms other than “P31” in the indoor unit group and specify the unit causes of failure. 5 - 49 5-34...

  • Page 159: Inspection Of Parts (Outdoor Unit)

    Mini VRF SYSTEM Trouble Diagnosis 5. Inspection of Parts (Outdoor Unit) 5-4. Inspection of Parts (Outdoor Unit) (1) Electronic control valve (MOV1) MOV1: Measure the voltage between plug pin 5 and pins 1 through 4 at the CN-MOV1 connector (5P, white) on the outdoor unit control PCB.

  • Page 160: Symptom: Thermostat In Off Continues Or Cycles Off & On Too Frequently

    Mini VRF SYSTEM 6. Symptom: Thermostat in OFF continues or Trouble Diagnosis cycles OFF & ON too frequently 5-5. Symptom: Thermostat in OFF continues or cycles OFF & ON too frequently Adjust setting Indoor control Setting temperature reaches the level set ON thermostat. temperature.

  • Page 161: Table Of Thermistor Characteristics

    5-6. Table of Thermistor Characteristics (1) Outdoor Air Temp. (TO) Sensor, Intake Temp. (TS) Sensor, Heat Exchanger Temp. (C1) Sensor, Heat Exchanger Temp. (C2) Sensor -20 -15 -10 Temperature ( C) Temperature ( C) (2) Discharge Temp. (TD) Sensor 90 100 110 Temperature ( C) 5-37...

  • Page 162: How To Remove Fan Motor (S-200Pe4E)

    5-7. How to Remove Fan Motor (S-200PE4E) 1. Loosen the 2 screws here. (Do not fully unscrew and remove) 2. Move the cover to left side 3. Remove the cover 5-38...
  • Page 163 4. Loosen these 4 screws (Do not fully remove them) Look from bottom of the unit 5. Fully unscrew these 2 screws from these locations. 6. Lift the fan cover unit upwards 5-39...
  • Page 164 7. Remove the fan cover unit through the round hole 8. Disconnect the fan motor wire. 5-40...
  • Page 165 9. Loosen these 3 screws (Warning: Do not fully unscrew and remove them) 10. Fully unscrew and remove these 3 screws. 11. Lift the motor unit upwards and remove it through the round hole. 5-41...
  • Page 166 12. Unscrew these screws 13. Remove the cover left and right 5-42...
  • Page 167 14. Partially peel off the alumnium sheets. 15. Rotate the wheel manually until can see the nut. 5-43...
  • Page 168 ALLEN KEY 16. LOOSEN THE NUT OF THE FAN BY ROTATING ALLEN KEY ANTI-CLOCKWISE 17. Take out the fans 5-44...
  • Page 169 18. Unscrew and remove these screws 19. Lift the casings and move in the shown directions to take out 5-45...
  • Page 170 20. Unscrew these 4 screws 21. Remove these 2 plates 22. Unscrew and remove these 4 screws. 5-46...
  • Page 171 23. Remove these 2 plates. 24. Untie the wire from these bands. 25. Lift the fan motor carefully from the mounting structure. 5-47...

  • Page 172: How To Remove The Compressor

    5-8. How to Remove the Compressor Pay careful attention to prevent water or foreign objects from entering into the refrigerant tubing when removing or installing the compressor. Removing 1.After collecting the refrigerant in the system, replace nitrogen gas from the service port of the gas tubing valve. 2.Remove the sound absorbing material protecting the compressor.

  • Page 173: How To Remove The Electrical Component Box

    5-9. How to Remove the Electrical Component Box Removing 1.Remove the front panel and inspection panel from the outdoor unit. 2.Remove all local wires connected to the electrical component box. 3.Remove the wires (temperature sensor, coils of every sort of valve, pressure switch, fan motor and wires for connecting compressor) connected to the electrical component box in the unit.

  • Page 174: Symptom: Thermostat In Off Continues Or Cycles Off & On Too Frequently

    Mini VRF SYSTEM 6. Symptom: Thermostat in OFF continues or Trouble Diagnosis cycles OFF & ON too frequently Adjust setting Indoor control Setting temperature reaches the level set ON thermostat. temperature. PC board Setting temperature is too low in heating mode and too high in cooling and dry mode.
  • Page 175 6. REMOTE CONTROLLER FUNCTIONS SECTION 6-1. Simple Settings Function .................... 6-2 6-2. List of Simple Setting Items ..................6-4 6-3. Detailed Settings Function ..................6-5 6-4. List of Detailed Setting Items ..................6-7 6-5. Simple Setting Items....................6-10 6-6. Detailed Setting Items ....................6-12 6-7.

  • Page 176: Simple Settings Function

    6-1. Simple Settings Function • This allows the filter lifetime, operating mode priority change, central control address, and other settings to be made for an individual or group- control indoor unit to which the remote controller used for simple settings is connected. When simple settings mode is engaged, operation stops at the individual or group-control indoor unit to which the remote controller for simple settings is...
  • Page 177 <Procedure of CZ-RTC5B> 20:30 (THU) START Fig. 6-2 3 Select the “Code no.” by pressing the button. Change the “Code no.” by pressing the 1 Keep pressing the button. buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the Simple settings 20:30 (THU) LCD display.

  • Page 178: List Of Simple Setting Items

    6-2. List of Simple Setting Items Setting data Item code Item Description 0000 Not displayed 0001 150 hours Filter sign ON time 0002 2,500 hours (filter life time) 0003 5,000 hours 0004 10,000 hours 0005 Use the filter clogging sensor. 0000 Standard (setting at time of shipping) Degree of filter fouling Highly fouled...

  • Page 179: Detailed Settings Function

    6-3. Detailed Settings Function • This allows the system address, indoor unit address, and other settings to be made for the individual or group-control indoor unit to which the remote controller used for detailed settings is connected. When detailed settings mode is engaged, operation stops at the individual or group-control indoor unit where the remote controller used for detailed settings is connected.
  • Page 180 <Procedure of CZ-RTC5B> 20:30 (THU) START Fig. 6-4 3 Select the “Code no.” by pressing the button. Change the “Code no.” by pressing the 1 Keep pressing the button (or keeping it pressed). buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the Detailed settings 20:30 (THU) LCD display.

  • Page 181: List Of Detailed Setting Items

    6-4. List of Detailed Setting Items Setting data Item Item code Description Description Description 0000 0001 0002 High Static Pressure Duct S-160PE3R 0003 0005 0006 High Static Pressure Ducted Type S-180, 200, 224PE4R 0007 0008 0010 0011 0001 0003 0005 0007 0009 0011...
  • Page 182 Setting data Item code Item Description 0000 5 minutes Forced thermostat ON (1B) 0001 4 minutes –10°C –010 –9°C –009 Cooling discharge –8°C –008 temperature shift 0010 10°C –10°C –010 –9°C –009 Heating discharge –8°C –008 temperature shift 0010 10°C 0001 ±...
  • Page 183 Setting data Item code Item Description None 0000 Ventilation fan operation 0001 Ventilation fan operated by remote controller. 0000 Not used. (Body sensor is used.) Wired remote controller Remote controller sensor is used. sensor 0001 Normal (displayed) 0000 “Operation change control in progress”...

  • Page 184: Simple Setting Items

    6-5. Simple Setting Items 6-10...
  • Page 185 When the operating mode at the priority remote controller is changed, the operating modes of other remote controllers change as shown below. Mode change at priority remote controller Operating modes at other remote controllers Current mode New mode Current mode New mode Cooling or dry Heating...

  • Page 186: Detailed Setting Items

    6-6. Detailed Setting Items Item code Item Description Unit type Set when the indoor unit EEPROM memory is replaced during servicing. Indoor unit capacity System (outdoor unit) These are not set at the time of shipping from the factory. address These must be set after installation if automatic address setting is not Indoor unit address performed.
  • Page 187 Item code Item Description 1F (Upper limit) Cooling 20 (Lower limit) This setting changes the temperature range (upper limit and lower 21 (Upper limit) Change to the Heating limit) which is set from the remote controller or central control device. 22 (Lower limit) remote control The set upper limit must be greater than or equal to the lower limit.
  • Page 188 (Continued from previous page) Item code Item Description Heat exchanger The heat exchanger temperature control point for prevention of cold temperature for cold air air discharge during heating operation can be changed. discharge The indoor unit PCB optional output for the fan can be switched Fan output switching according to the purpose of use.

  • Page 189: Remote Controller Servicing Functions

    6-7. Remote Controller Servicing Functions • The remote controller includes a number of servicing functions. Use these as needed for test runs and inspections. <Procedure of CZ-RTC4 / CZ-RTC4A> Fig. 6-5 List of Servicing Functions Functions Description Button operation Reset operation Unit status Operation with forced Press and hold the...
  • Page 190 <Procedure of CZ-RTC5B> Display of "maintenance function" screen 1 Keep pressing the buttons simultaneously for 4 or more seconds. Maintenance func 20:30 (THU) The “Maintenance func” screen appears on the 1. Outdoor unit error data LCD display. 2. Service contact 3.

  • Page 191: Test Run Function

    2. Test Run Function Remote Controller Functions 6-8. Test Run Function Operates the unit with the thermostat forced ON. <Procedure of CZ-RTC4 / CZ-RTC4A> Press and hold the button for 4 seconds or ° longer. ° “ ” appears on the remote controller LCD display (Fig.
  • Page 192 <Procedure of CZ-RTC5B> 1 Keep pressing the buttons simultaneously for 4 or more seconds. 20:30 (THU) The “Maintenance func” screen appears on the TEST LCD display. Maintenance func 20:30 (THU) START 1. Outdoor unit error data 2. Service contact 3. RC setting mode 4.
  • Page 193 Sensor Temperature Display Function (displayed regardless of whether unit is operating or stopped) The procedure below displays the sensor temperatures from the remote controller, indoor unit, and outdoor unit on the remote controller. <Procedure of CZ-RTC4 / CZ-RTC4A> 1 Press and hold the buttons simultaneously for 4 seconds or longer.
  • Page 194 <Procedure of CZ-RTC5B> 1 Keep pressing the buttons simultaneously for 4 or more seconds. The “Maintenance func” screen appears on the 20:30 (THU) LCD display. Maintenance func 20:30 (THU) 1. Outdoor unit error data START 2. Service contact 3. RC setting mode 4.
  • Page 195 Automatic address setting <Procedure of CZ-RTC5B> 1 Keep pressing the buttons simultaneously for 4 or more seconds. 20:30 (THU) The “Maintenance func” screen appears on the LCD display. 2 Press the button to see each START menu. If you wish to see the next screen instantly, press button.
  • Page 196 Check of ECONAVI Operational Status The status of ECONAVI operation can be checked instantly. It is available to check the operation when installing the indoor unit. <Procedure of CZ-RTC5B> Keep pressing the buttons simultaneously for 4 or more seconds. 20:30 (THU) Status info.
  • Page 197 <Procedure of CZ-RTC6 series> Setting Preparation: Turn on the circuit breaker of units and then turn the power on. The remote controller starts, and wait until the [Assigning] display disappears. (If [Assigning] continues to blink for 10 minutes or more, check the address setting of indoor units.
  • Page 198 Auto address Set. ( Select the Code no. [A1] and O/D unit no.) Code no. Press → . (Repeat) O/D unit no. Press  After Selecting [YES], the unit restarts. Code no. O/D unit no. Set the Auto address for each O/D unit no. •...
  • Page 199 Test run Press and hold the Select [Test run]. Total number of items 3 buttons Press → Number for the simultaneously, for selected item at least 4 seconds. Press Select [ON]. Perform the test (The unit enters the test operation mode. Then, [TEST] operation.
  • Page 200 7. HOW TO INSTALL THE WIRELESS (INFRARED) REMOTE CONTROLLER RECEIVER 7-1. Important Safety Instructions ..................7-1 7-2. Wireless (Infrared) Remote Controller CZ-RWS3 ...........7-2-1-1 7-2-1. Operating Instructions ...................7-2-1-1 7-2-1-1. Names and Operations ...................7-2-1-1 7-2-1-2. Installing Batteries ..................7-2-1-3 7-2-1-3. Setting the Current Time .................7-2-1-3 7-2-1-4.

  • Page 201: Important Safety Instructions

    7-1. Important Safety Instructions...

  • Page 202: Wireless (Infrared) Remote Controller Cz-Rws3

    7-2. Wireless (Infrared) Remote Controller CZ-RWS3 7-2-1. Operating Instructions 1 remote controller can control a group of up to 8 indoor units. (See “7-2-1-7. Operating Multiple In / Outdoor Units simultaneously (Group Control)”) 7-2-1-1. Names and Operations REMOTE CONTROLLER 14. Filter button Displays the operation status.
  • Page 203 Screen display 13 14 15 3 Appears when nanoe™ X is being 10 Indicates the fan speed. set to ON. 11 Displays the selected operation 4 Displays the present time. mode. (AUTO /HEAT 5 Timer program indication /COOL /FAN : The indoor unit starts 12 Energy saving operation is in operation at the programmed time.

  • Page 204: Installing Batteries

    NOTE If a heat pump type is being used, it will beep twice and the operating lamp will light up on the display; if the timer and standby lamps blink alternately, a conflict between the heating and cooling exists, so the unit cannot operate in the desired mode.
  • Page 205 7-2-1-4. Operation Hold the remote controller with your hand and point its transmitter at the receiver. Power: Turn on the circuit breaker beforehand, see Section “2. TEST RUN”. 1. Press 2. Press to select the operation mode. • Every time you press , it cycles from “Auto →...

  • Page 206: Timer Operation

    7-2-1-5. Timer Operation • When setting the timer, make sure the current time on the remote controller is accurate. • The timer’s clock can only be set when the display of the remote controller is ON. • After setting the timer, put the remote controller for in a place where its signal will reach the receiver of the indoor unit. 1.

  • Page 207: Lock Individual Flap

    7-2-1-6. Lock Individual Flap (This section is not used.) (Supported models: 4-way ceiling cassette type) You can set the flap for each air outlet individually according to the room condition. • Even if the flap setting is changed with (See Step 5. of “8-2-1-4. Operation”), the flap directions set here are not changed.

  • Page 208: Using The Remote Controller

    7-2-1-8. Using the Remote Controller • Hold the remote controller with your hand and point its transmitter at the receiver. When the signal is received properly, it will beep. • Signals can travel a direct distance of 6 metres. This distance should be used only as a guide. It depends on battery strength.
  • Page 209 Checking Addresses 1. Press with one end of an unfolded paper clip Address (or a similar object that can fit). • Its current address appears on the display for 5 seconds. • If this address corresponds to the address of a receiver, the buzzer sounds.

  • Page 210: Emergency Operation

    7-2-1-10. Emergency Operation Use [Emergency Operation] in the following situations when there is an urgent need. When the remote controller’s batteries have failed. When the remote controller is broken. When the remote controller is lost. *See the following figures regarding Emergency button. 1.

  • Page 211: Miscellaneous Settings

    7-2-1-11. Miscellaneous Settings A variety of changes can be made to settings, depending on the indoor unit being used. Operation mode indicator, time display (24 hour, AM/PM), heating maximum temperature These settings are saved in nonvolatile memory in the remote controller, so even when its batteries are changed, the settings do not have to be made again.

  • Page 212: Setting

    7-2-1-13. nanoe™ X Setting 1. Press during operation. nanoeX • You can toggle between ON and OFF each time you press nanoeX • “ ” is displayed when this setting is ON. • When the nanoe™ X setting is ON, “nanoe” (atomised water particle) is released from the indoor unit while in operation (Cool, Dry, Heat, Fan, Auto).

  • Page 213: Temperature Automatic Return

    7-2-1-17. Temperature Automatic Return You can restore the changed temperature to the originally set temperature automatically after a specified time elapses. • Set the time and temperature for each operation mode. 1. Press at the Operation mode Temperature same time for 4 seconds or longer. •...

  • Page 214: Troubleshooting

    7-2-1-18. Troubleshooting Before requesting service, please check the followings. Solution Problem Cause The power to the indoor unit is not ON. Make sure the power to the indoor unit is ON. The unit doesn’t work even when is pressed on the Are the remote controller’s batteries dead? Change the batteries.

  • Page 215: Installation Instructions

    7-2-2. Installation Instructions Read before installation Installation Precautions This controller must be installed by the sales dealer or installer. These instructions are all you need for most installation sites ● The controller uses a very weak infrared light for its signal, and maintenance conditions.
  • Page 216 Miscellaneous Settings The functions of the wireless (infrared) remote controller can be set on site. Note Only service personnel should make the settings because the operation of the air conditioner may be affected, depending on the settings made. • These settings are saved in nonvolatile memory in the remote controller, so even when its batteries are changed, the settings do not have to be made again.
  • Page 217 Auto Address Set the Auto Address for each O/D unit no. (outdoor unit number) Select the O/D unit no. for Auto Address. 1. Press for 4 seconds or longer. starts blinking and the setting screen is displayed. • “ “ 2.

  • Page 218: Setting For The Receiver

    7-3. Setting for the Receiver 7-3-1. Infrared Receiver 7-3-1-1. Common to Infrared Receiver CZ-RWRC3 Read before installation Installation Precautions This receiver must be installed by the sales dealer or installer. These instructions are all you need for most installation sites ●...
  • Page 219 Wiring Installation when setting Main/Sub for the remote controller and the receiver It is possible to operate one or more indoor units using two remote controllers. After installation, set one to [Main] and the other to [Sub]. When using the infrared remote controller and the wired remote controller in combination, set the wired remote controller to [Main].
  • Page 220 7-3-1-2. CZ-RWRC3 Part Names Dimensions Unit: mm (1) Light receiving section Receives signals. (2) Emergency operation button Starts / Stops emergency operation. (3) Indication lamp Indicates operation status. Installation Precautions ● Install at the height of 1 to 1.5 m from the floor. ●...
  • Page 221 3. Wiring Connect the wires from the receiver to the terminals for RC wiring on the indoor unit. Wiring Diagram RC wiring Indoor unit Infrared Receiver for C ( field supply) No polarity ● Type of wiring: Use cables of 0.5 to 1.25 mm Terminals for RC wiring ●...
  • Page 222 4. Mounting See “2. Setting” before mounting. Attention Remove the bottom case. Mounting the bottom case  Tighten the screws securely until the screw heads touch the bottom case. (Otherwise, loose screw heads may hit the PCB and cause malfunction when mounting the top case.) ...

  • Page 223: Test Operation

    7-3-2. Test Operation Preparation: Turn on the circuit breaker of units and then turn the power on. After the power is turned on, infrared remote controller operation is ignored for approx. 1 minute because setting is being made. This is not malfunction.
  • Page 224 8. EXPLODED VIEW AND REPLACEMENT PARTS LIST 8-1. Indoor Unit ........................8-2 8-2. Outdoor Unit ........................8-12...
  • Page 225 8-1. Indoor Unit S-200PE4E 17 10 37 42 39 33 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 226 S-200PE4E 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 227 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. S-200PE4E REMARK FIN & TUBE EVAPORATOR ASSY ACXB30K02250 EVAPORATOR COVER-COMPLETE ACXD11C00040 AIR REGULATING PLATE COMPLETE ACXD21C00020 AIR REGULATING PLATE COMPLETE ACXD21C00070 AIR REGULATING PLATE COMPLETE ACXD21C00040 SENSOR COMPLETE (E1) ACXA50C19180 SENSOR COMPLETE (E2)
  • Page 228 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. S-200PE4E REMARK LEAD WIRE CO - S-LINK ACXA60C96240 LEAD WIRE CO - CN-MD ACXA60C96250 NOZZLE ACXH43-00230 BAND CWH881123 BAND CWH881202 CABINET ACXE00-00720 CABINET ACXE00-00270 CABINET ACXE00-00280 CABINET ACXE00-00291 CABINET ACXE00-00301 STABILIZER ACXD20-00030...
  • Page 229 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. S-200PE4E REMARK INSTALLATION INSTRUCTION ACXF60-54830 INSTALLATION INSTRUCTION ACXF60-54840 BASE BOARD-COMPLETE ACXG62C02911 SHOCK ABSORBER ACXG70-09732 SHOCK ABSORBER ACXG70-09742 SHOCK ABSORBER ACXG70-10172 C.C.CASE ACXG50-64820 MODEL LABEL ACXF87-27300 (Note) • All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock.
  • Page 230 S-250PE4E 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 231 S-250PE4E 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. S-250PE4E REMARK FIN & TUBE EVAPORATOR ASSY ACXB30K02250 EVAPORATOR COVER-COMPLETE ACXD11C00040 AIR REGULATING PLATE COMPLETE ACXD21C00020 AIR REGULATING PLATE COMPLETE ACXD21C00070 AIR REGULATING PLATE COMPLETE ACXD21C00040 SENSOR COMPLETE (E1) ACXA50C19180 SENSOR COMPLETE (E2) ACXA50C19190 PLATE SPRING (E1) CWH711010...
  • Page 233 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. S-250PE4E REMARK AIR GUIDER B.W.ASSY ACXD32K00370 AIR GUIDER B.W.ASSY ACXD32K00380 BLOWER WHEEL ASSY ACXH01K00370 LEAD WIRE CO DC MTR 1 ACXA60C96221 LEAD WIRE CO DC MTR 2 ACXA60C96231 LEAD WIRE CO - CN-LM ACXA60C96270 LEAD WIRE CO - DCM2 ACXA60C96260...
  • Page 234 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. S-250PE4E REMARK INSTALLATION INSTRUCTION ACXF60-54740 INSTALLATION INSTRUCTION ACXF60-54750 INSTALLATION INSTRUCTION ACXF60-54760 INSTALLATION INSTRUCTION ACXF60-54770 INSTALLATION INSTRUCTION ACXF60-54780 INSTALLATION INSTRUCTION ACXF60-54790 INSTALLATION INSTRUCTION ACXF60-54800 INSTALLATION INSTRUCTION ACXF60-54810 INSTALLATION INSTRUCTION ACXF60-54820 INSTALLATION INSTRUCTION ACXF60-54830 INSTALLATION INSTRUCTION ACXF60-54840 BASE BOARD-COMPLETE...
  • Page 235 8-2. Outdoor Unit U-200PZH4E8 U-250PZH4E8 66 66 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. 8-12...
  • Page 236 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. 8-13...
  • Page 237 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. 8-14...
  • Page 238 U-200PZH4E8 U-250PZH4E8 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. 8-15...
  • Page 239 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. U-200PZH4E8 U-250PZH4E8 REMARK BASE PAN ASSY ACXD52K05550A ← COMPRESSOR 9VD550XAA21 ← ANTI-VIBRATION BUSHING ACXH50-00480 ← CWH561049 ← HEATER ACXA34-02200 ← FIN & TUBE CONDENSER COMPLETE ACXB32C28400 ← MANIFOLD TUBE ASSY ACXT07C01801 ← SOUND-PROOF BOARD ACXH15-04190 ←...
  • Page 240 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. U-200PZH4E8 U-250PZH4E8 REMARK TERMINAL COVER CWH171054 ← CWH7080300J ← FAN MOTOR BRACKET ASSY ACXD54K02670 ← DC MOTORS (BRUSHLESS GENERAL USE) L6CBYYYL0486 ← FAN ASSY ACXH00K00120 ← CWH561092 ← WASHER CWH571067 ← WASHER CWH571068 ←...
  • Page 241 SAFETY REF. NO. PART NAME & DESCRIPTION QTY. U-200PZH4E8 U-250PZH4E8 REMARK C.C.CASE ACXG50-64340 ← MODEL LABEL ACXF87-21800 ACXF87-20260 (Note) • All parts are supplied from PAPAMY, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in stock. 8-18...
  • Page 242 Printed in Malaysia FK0424-0...

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