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Panasonic CU-S22NKU-1 manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Panasonic CU-S22NKU-1. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Panasonic CU-S22NKU-1 o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Panasonic CU-S22NKU-1 se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Panasonic CU-S22NKU-1, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Panasonic CU-S22NKU-1 debe contener:
- información acerca de las especificaciones técnicas del dispositivo Panasonic CU-S22NKU-1
- nombre de fabricante y año de fabricación del dispositivo Panasonic CU-S22NKU-1
- condiciones de uso, configuración y mantenimiento del dispositivo Panasonic CU-S22NKU-1
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Panasonic CU-S22NKU-1 no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Panasonic CU-S22NKU-1 y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Panasonic en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Panasonic CU-S22NKU-1, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Panasonic CU-S22NKU-1, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Panasonic CU-S22NKU-1. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    © Panasonic HA Air-Conditioni ng (M) Sdn. Bhd. 2011. Unauthorized copying and distribu tion is a violation of law. Order No: PHAAM1111084C1 Indoor Unit Outdoor Unit CS-S9NKUW-1 CS-S12NKUW-1 CS-S18NKU-1 CS-S22NKU-1 CU-S9NKU-1 CU-S12NKU-1 CU-S18NKU-1 CU-S22NKU-1 Please file and use this manual together with the service manual for Model No. CU-2S18NB[...]

  • Página 2

    2 TABLE OF CONTENTS 1. Safety Pr ecautions .............................................3 2. Specification .......................................................5 3. Location of Controls and Components ............9 3.1 Indoor Un it ....................................................9 3.2 Outdoor Unit .............................................[...]

  • Página 3

    3 1. Safety Precautions • Read the following “SAFETY PRECAUTIONS” carefully before per form any servicing. • Electrical work must be installed or servic ed by a licensed elec trician. Be sure to use the correct rating of the po we r plug a nd main circuit for the model installed. • The caution items stated here must be fo llo wed because [...]

  • Página 4

    4 WARNING 19. During installation, install the refrigerant piping properly bef ore run t he compressor. (Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration c ycle and result in ex plosion, injury etc.). 20. During pump down operation, stop the[...]

  • Página 5

    5 2. S pecification Indoor CS-S9NKUW-1 CS-S12NKUW-1 Model Outdoor CU-S9NKU-1 CU-S12NKU-1 Performance Test Condition ARI ARI Phase, Hz Single, 60 Single, 60 Power Supply V 208 230 208 230 Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. kW 1.20 2.49 3.00 1.20 2.49 3.00 1.20 3.48 3.85 1.20 3.48 3.85 Capacity BTU/h 4100 8500 10200 4100 8500[...]

  • Página 6

    6 Control Device Capillary Tube Capillary Tube Refrigerant Oil cm 3 RB68A or Freol Alpha68M (320) RB68A or Freol Alpha68M (320) Refrigeration Cycle Refrigerant Type g (oz) R410A, 965 (34.1) R410A, 980 (34.6) Height(I/D / O/D) mm (inch) 290 (11-7/16) / 540 (21-9/32) 290 (11-7/16) / 540 (21-9/32) Width (I/D / O/D) mm (inch) 870 (34-9/32) / 780 (30-23[...]

  • Página 7

    7 Indoor CS-S18NKU-1 CS-S22NKU-1 Model Outdoor CU-S18NKU-1 CU-S22NKU-1 Performance Test Condition ARI ARI Phase, Hz Single, 60 Single, 60 Power Supply V 208 230 208 230 Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. Min. Mid. Max. kW 1.30 5.01 5.80 1.30 5.01 5.80 1.30 6.18 6.85 1.30 6.18 6.85 Capacity BTU/h 4400 17100 19800 4400 17100 19800 4400 2100[...]

  • Página 8

    8 Control Device Expansion Valve Expansion Valve Refrigerant Oil cm 3 RB68A or Freol Alpha68M (400) RB68A or Freol Alpha68M (400) Refrigeration Cycle Refrigerant Type g (oz) R410A, 1.18k (41.7) R410A, 1.37k (48.4) Height(I/D / O/D) mm (inch) 290 (11-7/16) / 795 (31-5/16) 290 (11-7/16) / 795 (31-5/16) Width (I/D / O/D) mm (inch) 1070 (42-5/32) / 875[...]

  • Página 9

    9 3. Location of Controls and Components 3.1 Indoor Unit 3.2 Outdoor Unit 3.3 Remote Control[...]

  • Página 10

    10 4. Dimensions 4.1 Indoor Unit 4.1.1 CS-S9NKUW-1 CS-S12NKUW-1[...]

  • Página 11

    11 4.1.2 CS-S18NKU-1 CS-S22NKU-1[...]

  • Página 12

    12 4.2 Outdoor Unit 4.2.1 CU-S9NKU-1 CU-S12NKU-1 4.2.2 CU-S18NKU-1 CU-S22NKU-1[...]

  • Página 13

    13 5. Refrigeration Cycle Diagram 5.1 CS-S9NKUW-1 CU-S9NKU-1 CS-S12NKUW-1 CU-S12NKU-1[...]

  • Página 14

    14 5.2 CS-S18NKU-1 CU-S18NKU-1 CS-S22NKU-1 CU-S22NKU-1[...]

  • Página 15

    15 6. Block Diagram 6.1 CS-S9NKUW-1 CU-S9NKU-1 CS-S12NKUW-1 CU-S12NKU-1[...]

  • Página 16

    16 6.2 CS-S18NKU-1 CU-S18NKU-1 CS-S22NKU-1 CU-S22NKU-1[...]

  • Página 17

    17 7. Wiring Connection Diagram 7.1 Indoor Unit 7.1.1 CS-S9NKUW-1 CS-S12NKUW-1[...]

  • Página 18

    18 7.1.2 CS-S18NKU-1 CS-S22NKU-1[...]

  • Página 19

    19 7.2 Outdoor Unit 7.2.1 CU-S9NKU-1 CU-S12NKU-1[...]

  • Página 20

    20 7.2.2 CU-S18NKU-1[...]

  • Página 21

    21 7.2.3 CU-S22NKU-1[...]

  • Página 22

    22 8. Electronic Circuit Diagram 8.1 Indoor Unit 8.1.1 CS-S9NKUW-1 CS-S12NKUW-1[...]

  • Página 23

    23 8.1.2 CS-S18NKU-1 CS-S22NKU-1[...]

  • Página 24

    24 8.2 Outdoor Unit 8.2.1 CU-S9NKU-1 CU-S12NKU-1[...]

  • Página 25

    25 8.2.2 CU-S18NKU-1[...]

  • Página 26

    26 8.2.3 CU-S22NKU-1[...]

  • Página 27

    27 9. Printed Circuit Board 9.1 Indoor Unit 9.1.1 Main Printed Circuit Board[...]

  • Página 28

    28 9.1.2 Power Printed Circuit Board 9.1.3 Indicator Prin ted Circuit Board[...]

  • Página 29

    29 9.2 Outdoor Unit 9.2.1 Main Printed Circuit Board 9.2.1.1 CU-S9NKU- 1 CU-S12NKU-1[...]

  • Página 30

    30 9.2.1.2 CU-S18NKU-1 CU-S22NKU-1[...]

  • Página 31

    31 10. Inst allation Instruction 10.1 S9NKUW-1 S12NKUW-1 10.1.1 Select the Best Location 10.1.1.1 Indoor Unit • Do not in stall the unit in excessive oil fume area such as kitchen, workshop and etc. • There sh ould not be any heat source or steam near the unit. • There sh ould not be any ob stacles bl ocking the air circulation. • A place w[...]

  • Página 32

    32 10.1.3 Indoor Unit 10.1.3.1 How to Fix Installation Plate The mounting wall shall be stron g and solid enough to prevent if from the vibratio n. The centre of installation plate sho uld be at more than c at right and left of the wall. The distance from installation plate edge to ceiling sho uld more than d . From installation plate left edge to [...]

  • Página 33

    33 10.1.3.3 Indoor Unit Installation 10.1.3.4 For the right rear piping 10.1.3.5 For the right bottom piping 10.1.3.6 For the embedded piping (This can be used for left rear pipi ng and bottom piping also.)[...]

  • Página 34

    34 10.1.3.7 Connect the Cable to the Indoor Unit 1. The inside and outside con necting cable can be connected without remo ving the front grille. 2. Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut, then secure it against chassi s. 3. Connecting wire between indoor unit and outdoor unit should be UL listed or C[...]

  • Página 35

    35 10.1.3.8 Wire Stripping and connecting requirement 10.1.3.9 Cutting and flaring the piping 1 Please cut using pipe cutter and then re move the burrs. 2 Remove the burrs by using reamer . If burrs is not removed, gas l eakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3 Please make flare after inserting t[...]

  • Página 36

    36 10.1.4 Outdoor Unit 10.1.4.1 Install the Outdoor Unit • After selecting the best location, start installa tion to Indoor/Outdo or Unit Installation Diagram. 1 Fix the unit on concrete or rigid frame fi rmly and horizontally by bolt nut (ø13/32”). 2 When installing at roof, please con sider strong wind and earth quake. Please fasten the inst[...]

  • Página 37

    37 10.1.4.2.4 Gas leak checking Pressure test to system to 400 PSIG with dry nitr ogen, in stages. Thoro ughly leak check the system. If the pressure holds, release the nitrogen and proceed to section 1 0.1.4.3. 10.1.4.3 Evacuation of the equipment When installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in t[...]

  • Página 38

    38 9. Secure the wire onto the control boa rd with the holder (clamper). 10. After completing wiring connections, reattach the control board cover (Metal and Resin) and the top panel to the original position with the screws. 11. For wire stripping and connectio n requirement, refer to instruction g of indoor unit. This equipment must be properly ea[...]

  • Página 39

    39 10.2 S18NKU-1 S22NKU-1 10.2.1 Select the Best Location 10.2.1.1 Indoor Unit • Do not install the unit in excessive oil fume areas such as kitch ens, worksho ps etc. • There should not be any heat source or steam near the unit. • There should not be any ob stacles blocki ng the air circulation. • A place where air circulation in the room [...]

  • Página 40

    40 10.2.3 Indoor Unit 10.2.3.1 How to Fix Installation Plate The mounting wall must be strong and solid enough to prevent if from the vibration. The centre of installation plate sho uld be at more than c at right and left of the wall. The distance from installation plate edge to ceiling sho uld more than d . From installation plate left edge to uni[...]

  • Página 41

    41 10.2.3.3 Indoor Unit Installation 10.2.3.4 For the right rear piping 10.2.3.5 For the right bottom piping 10.2.3.6 For the embedded piping (This can be used for left rear pipi ng and bottom piping also.)[...]

  • Página 42

    42 10.2.3.7 Connect the Cable to the Indoor Unit 1. The inside and outside con necting cable can be connected without remo ving the front grille. 2. Unscrew the conduit cover and fix the conduit connector to conduit cover with lock nut, then secure it against chassi s. 3. Connecting wire between indoor unit and outdoor unit should be UL listed or C[...]

  • Página 43

    43 10.2.3.8 Wire Stripping and connecting requirement 10.2.3.9 Cutting and flaring the piping 1 Please cut using pipe cutter and then re move the burrs. 2 Remove the burrs by using reamer . If burrs is not removed, gas l eakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3 Please make flare after inserting t[...]

  • Página 44

    44 10.2.4 Outdoor Unit 10.2.4.1 Install the Outdoor Unit • After selecting the best location, start installa tion to Indoor/Outdo or Unit Installation Diagram. 1 Fix the unit on concrete or rigid frame fi rmly and horizontally by bolt nut (ø13/32”). 2 When installing at roof, please con sider strong wind and earth quake. Please fasten the inst[...]

  • Página 45

    45 10.2.4.3 Evacuation of the equipment When installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedures. 1. Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3-wa y valve. 2. Connect the micron gauge between vacuum pump an d service port[...]

  • Página 46

    46 9. Secure the wire onto the contro l board with the holder (cla mper). 10. After completing wiring connections, reattach the particular plate an d control board cover (metal and resin ) to the original position with the screws. 11. For wire stripping and connectio n requirement, refer to instruction g of indoor u nit. This equipment must be prop[...]

  • Página 47

    47 11. Operation Control 11.1 Basic Function Inverter control, which equipped with a microcomputer in determining the most suitable operation mode as time passes, automatically adjusts output power fo r maximum comfort always. In order to achieve the suitabl e operation mode, the microcomputer maintains the set temperatur e by measuring the tempera[...]

  • Página 48

    48 11.2 Indoor Fan Motor Operation 11.2.1 Basic Rotation Speed • Manual Fan Speed o Fan motor’s number of rotation is determ ined according to remote control setting. Remote control ○ ○ ○ ○ ○ Tab Hi Me+ Me Me- Lo • Auto Fan Speed o According to room temperature an d setting temperature, indoor fan speed is det ermined automatically.[...]

  • Página 49

    49 11.5.1 Vertical Airflow Vane Angle (°) Operation Mode Airflow Direction 1 2 3 4 5 Auto 20 ~ 45 Cooling Manual 20 26 32 37 45 Auto 20 ~ 45 Soft Dry Manual 20 26 32 37 45 • Automatic vertical airflow direction can be set using re mote control; the vane swings up and down withi n the angles as stated above. It does not swing during fan moto r st[...]

  • Página 50

    50  When quiet operation is stoppe d, operation is sh ifted to normal operation with previous setting .  When fan speed is changed, quiet ope ration is sh ifted to quiet operation of the new fan speed.  When operation mode is changed, quiet operation is shifted to quiet operation of the new mode.  During quiet operation, if ON timer ac [...]

  • Página 51

    51 11.10 Indication Panel LED POWER TIMER QUIET POWERFUL Color Green Orange Orange Orange Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Note: • If POWER LED blinks, the possible operation of the uni t is operation mode judg ment, or ON timer samplin[...]

  • Página 52

    52 12. Protection Control 12.1 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 re mote control within this p eriod. • This control is not applicable if the power supply is cut off and on again. • Th[...]

  • Página 53

    53 12.4.2 S18NK, S22NK • Overheating Prevention Control o When the IPM temperature rises to 212°F, compressor operation w ill stop immediately. o Compressor operation rest arts after 3 minut es the temperatu re decreases to 203°F. • DC Peak Current Control o When electric current to IPM exceeds set value of 29.9A, the compressor will st op op[...]

  • Página 54

    54 12.9 Outdoor Air Temperature Control • The compressor operating frequency is regulated in a cco rdance to the outdoor air temperature as shown in the diagram below. • This control will begin 1 minute after the compressor start s. • Compressor f requency will adjust based on outdoor air temperature. 12.10 Cooling Overload Control • Pipe t[...]

  • Página 55

    55 13. Servicing Mode 13.1 Auto Off/On Button Auto OFF/ON Button Pressed Auto OF F/ON Button Pressed 5 sec Auto Operation Test Run Operation (Forced Cooling Operation) Stop 1 AUTO OPERATION MODE The Auto Operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be used to operate air conditioner wi th limite[...]

  • Página 56

    56 13.2 Remote Control Button 13.2.1 SET Button • To check remote control transmission co de and store the transmission code to EEPROM o Press “Set” button continu ously for 10 seconds by usi ng pointer o Press “Timer Set” button unit a “beep ” sound is heard as confirmati on of transmission code ch ange. 13.2.2 RESET (RC) • To clea[...]

  • Página 57

    57 14. T roubleshooting Guide 14.1 Refrigeration Cycle System In order to diagnose malfunctions, ensu re the air conditioner is free from electrical problems bef ore inspecting the refrigeration cycle. Such problems include in sufficient insulation, problem with the power source, malfunction of a compressor a nd a fan. The normal outlet air tempera[...]

  • Página 58

    58 14.1.1 Relationship between the condition of the air conditioner and pressure and electric current Cooling Mode Condition of the air conditioner Low Pressure High Pressure Electric current during oper ation Insufficient refrigerant (gas leakage) Ô Ô Ô Clogged capillary tube or strainer Ô Ô Ô Short circuit in the indoor unit Ô Ô Ô Heat r[...]

  • Página 59

    59 14.2 Breakdown Self Diagnosis Function 14.2.1 Self Diagnosis Function (Thr ee Digits Alphanumeric Code) • Once error occurred during operation, the uni t will stop its operation, and Timer LED blinks. • Although Timer LED goes off when power supply is turn ed off, if the unit is ope rated under a breakdown condition, the LED will ON again. ?[...]

  • Página 60

    60 14.3 Error Code Table Diagnosis display Abnormality / Protecti on control Abnormality Judgment Emergency Operation Primary location to v erify H00 No abnormality detected - Normal operation H11 Indoor / Outdoor abnormal communication > 1 min after starting operation Indoor fan operation only • Internal / external cable connection • Indoor[...]

  • Página 61

    61 14.4 Troubleshooting Flowchart 14.4.1 H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions • During startup and operation of cooling and heating, t he data received from outdoor unit in ind oor unit signal transmission is checked whether it is no rmal. Malfunction Caused • Faulty indoor unit PCB. • Faulty outdoor uni[...]

  • Página 62

    62 14.4.2 H12 (Indoor/Outdoor Cap acity Rank Mismatched) Malfunction Decision Conditions • During startup, error code appears wh en different ty pes of indoor and outdoor units are inte rconnected. Malfunction Caused • Wrong models interconnected. • Wrong indoor unit or outdoor unit PCBs mounted. • Indoor unit or outdoor unit PCBs defective[...]

  • Página 63

    63 14.4.3 H14 (Indoor Intake Air Temp erature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, t he temperatures detected by the indoor intake ai r temperature sensor are used to determine sensor e rrors. Malfunction Caused • Faulty conne ctor conn ection. • Faulty sensor. • Faulty P[...]

  • Página 64

    64 14.4.4 H15 (Compressor Temper ature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, t he temperatures detected by the outdoor com pressor temperature sensor are used to determine sensor e rrors. Malfunction Caused • Faulty conne ctor conn ection. • Faulty sensor. • Faulty PCB. Tr[...]

  • Página 65

    65 14.4.5 H16 (Outdoor Current Transformer Open Circuit) Malfunction Decision Conditions • A current transformer (CT) is detected by checking the compressor runnin g frequency ( ≥ rated frequency) and CT detected input current (less than 1.14A) for continuou sly 20 seconds. Malfunction Caused • CT defective • Outdoor PCB defective • Compr[...]

  • Página 66

    66 14.4.6 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 • Operation stops due to short circuit inside the fan motor winding. ?[...]

  • Página 67

    67 14.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, t he temperatures detected by the indoor heat exch anger temperature sensor are used to determine sensor e rrors. Malfunction Caused • Faulty conne ctor conn ection. • Faulty sensor. • Faulty PCB.[...]

  • Página 68

    68 14.4.8 H27 (Outdoor Air Temper ature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, the temperatures detected by the outdoor air tempe rature sensor are used to determine sensor errors. Malfunction Caused • Faulty conne ctor conn ection. • Faulty sensor. • Faulty PCB. Troublesho[...]

  • Página 69

    69 14.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temp erature sensor are used to determine sensor errors. Malfunction Caused • Faulty conne ctor conn ection. • Faulty sensor. • Faulty PCB. Troublesh[...]

  • Página 70

    70 14.4.10 H30 (Compressor Discharge Temperature Sensor Abnormalit y ) Malfunction Decision Conditions • During startup and operation of cooling and heating, t he temperatures detected by the outdoo r discharge pipe temperature sensor are used to determine sensor e rrors. Malfunction Caused • Faulty conne ctor conn ection. • Faulty sensor. ?[...]

  • Página 71

    71 14.4.11 H33 (Unspecified Volt age between Indoor and Outdoor) Malfunction Decision Conditions • The supply power is detected for its requir em ent 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. Troubleshoot[...]

  • Página 72

    72 14.4.12 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. • Operation stops due to breaking of wire insi[...]

  • Página 73

    73 14.4.13 H98 (Indoor High Pressure Protection) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions • During heating operation, the temperature detected by the indoor p ipe temperature sensor is above 140°F. Malfunction Caused • Clogged air filter of the indoor unit • Dust accumulation on [...]

  • Página 74

    74 14.4.14 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Malfunction Decision Conditions • Freeze prevention control takes place (when indoor pi pe temperature is lower than 35.6°F) Malfunction Caused • Clogged air filter of the indoor unit • Dust accumulation on the indoor unit heat exchanger • Air short circuit • Detec[...]

  • Página 75

    75 14.4.15 F11 (Indoor Pipe Temperature Sensor Abnormality) Malfunction Decision Conditions • When cooling operation, when indoor pipe tempe rature or indoor heat exchanger temperature sensor is above 113°F. Malfunction Caused • Faulty conne ctor conn ection. • Faulty indoor pipe temperature sensor. • Faulty indoor main PCB. Troubleshootin[...]

  • Página 76

    76 14.4.16 F90 (Power Fact or Correction Protection) Malfunction Decision Conditions • During startup and operation of cooling and heating, when Power Factor Co rrection (P FC) protection circuitry at the outdoor unit main PCB senses abnormal high DC voltage level. Malfunction Caused • DC voltage peak due to power supply su rge. • DC voltage [...]

  • Página 77

    77 14.4.17 F91 (Refrigeration Cycle Abnormality) Malfunction Decision Conditions • During cooling, compressor frequency = Fcmax. • During cooling and heating operation, running current: 0.65A < I < 1.65A. • During cooling, indoor intake - indoor pipe < 39.2 °F. Malfunction Caused • Refrigerant shortage (refrigerant leakage) • Po[...]

  • Página 78

    78 14.4.18 F93 (Compressor Rotation Failure) Malfunction Decision Conditions A compressor rotation failure is detected by checkin g the compressor running condition throug h the position detection circuit. Malfunction Caused • Compressor terminal disconnect • Outdoor PCB malfunction Troubleshooting[...]

  • Página 79

    79 14.4.19 F95 (Cooling High Pressure Abnormality) Malfunction Decision Conditions During operation of cooli ng, when outdoor unit heat e xchanger high temperature data (141.8°F) is detected by the outdoor pipe temperature sensor. Malfunction Caused • Outdoor pipe temperature rise due to short circuit of hot discharge air flow. • Outdoor pipe [...]

  • Página 80

    80 14.4.20 F96 (IPM Overheating) Malfunction Decision Conditions During operating of cooli ng and heating, when IPM temper ature data (212° F) is detected by the IPM temperature sensor . Malfunction Caused • IPM overheats due to short circuit of hot discharge air flow. • IPM overheats due to defective of outdoor fan motor. • IPM overheats du[...]

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    81 14.4.21 F97 (Compressor Overheating) Malfunction Decision Conditions During operation of cooli ng and heating, when compre ssor tank temperature data (233.6°F) is detected by the compressor tank temperature sen sor. Malfunction Caused • Refrigerant shortage (refrigerant leakage). • 2/3 way valve closed. • Detection error due to faulty com[...]

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    82 14.4.22 F98 (Input Over Current Detection) Malfunction Decision Conditions During cooling and heating operatio n, when an input over-curr ent (16.8A) is detected by checking the input current value being detected by current tran sforme r (CT) with the compressor running. Malfunction Caused • Over-current due to compressor failure. • Over-cur[...]

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    83 14.4.23 F99 (Output O ver Current Detection) Malfunction Decision Conditions During operation of cooli ng and heating, when an output over-cur rent (18.5A) is detecte d by checking the current that flows in the inverter DC peak sensing circuitry. Malfunction Caused • DC peak due to compressor failure. • DC peak due to defective power transi [...]

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    84 WA RN ING 15. Disassembly an d Assembly Instructions High Voltage is generated in the electrical parts area by the capacitor. Ensure that t he capac itor has discharged sufficiently before proceeding with repair work. Failure to heed this cauti on may result in electric shocks. 15.1 Indoor Electronic Controllers, Cro ss Flow Fan and Indoor Fan M[...]

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    85 15.1.1.2 To remove discharge grille[...]

  • Página 86

    86 15.1.1.3 To remove control board 15.1.1.4 To remove cross flow fan and indoor fan motor[...]

  • Página 87

    87[...]

  • Página 88

    88 16. T echnical Dat a 16.1 Operation Characteristics 16.1.1 CS-S9NKUW-1 CU-S9NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Freq: Fc[...]

  • Página 89

    89 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F (DBT) o Compressor Freq: Fc[...]

  • Página 90

    90 16.1.2 CS-S12NKUW-1 CU-S12NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping length: 24.6ft o Compressor Freq: Fc[...]

  • Página 91

    91 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F (DBT) o Compressor Freq: Fc[...]

  • Página 92

    92 16.1.3 CS-S18NKU- 1 CU-S18NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping length: 16.4ft o Compressor Freq: Fc[...]

  • Página 93

    93 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F (DBT) o Compressor Freq: Fc[...]

  • Página 94

    94 16.1.4 CS-S22NKU- 1 CU-S22NKU-1 • Cooling Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Piping length: 16.4ft o Compressor Freq: Fc[...]

  • Página 95

    95 • Piping Length Characteristic o Room temperature: 81°F (DBT), 66°F (WBT) o Operation condition: High fan speed o Outdoor temperature: 95°F (DBT) o Compressor Freq: Fc[...]

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    96 17. Exploded View and Replacement Part s List 17.1 Indoor Unit 17.1.1 CS-S9NKUW-1 CS-S12NKUW-1 Note The above exploded view is for the purp os e of parts disassembly and replaceme nt. The non-numbered pa rts are not kept as standard service parts.[...]

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    97 REF. NO. P A RT NAME & DESCRIPTI ON QTY. CS-S9NKUW-1 CS-S12NKUW-1 REMARK 1 CHASSIS COMPLETE 1 CWD50C163 3 ← 2 FAN MOTOR 1 L6CBYYYL0055 ← O 3 CROSS-FLOW FAN COMPLETE 1 CWH02C1076 ← 4 BEARING ASSY 1 CWH64K007 ← 5 SCREW - CROSS-FLOW FAN 1 CWH551146 ← 7 EVAPORATOR 1 CWB30C3181 CWB30C3182 8 FLARE NUT (LIQUID) 1 CWT251030 ← 9 FLARE NUT[...]

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    98 17.1.2 CS-S18NKU-1 CS-S22NKU-1 Note The above exploded view is for the purp os e of parts disassembly and replaceme nt. The non-numbered pa rts are not kept as standard service parts.[...]

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    99 REF. NO. P A RT NAME & DESCRIPTI ON QTY. CS-S18NKU-1 CS-S22NKU-1 REMARK 1 CHASSIS COMPLETE 1 CWD50C163 7 ← 2 FAN MOTOR 1 L6CBYYYL0056 ← O 3 CROSS-FLOW FAN COMPLETE 1 CWH02C1077 ← 4 BEARING ASSY 1 CWH64K007 ← 5 SCREW - CROSS-FLOW FAN 1 CWH551146 ← 7 EVAPORATOR 1 CWB30C3771 CWB30C3772 8 FLARE NUT (LIQUID) 1 CWT251030 ← 9 FLARE NUT [...]

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    100 17.2 Outdoor Unit 17.2.1 CU-S9NKU-1 CU-S12NKU-1 Note The above exploded view is for the purp os e of parts disassembly and replaceme nt. The non-numbered pa rts are not kept as standard service parts.[...]

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    101 REF. NO. PA RT NAME & DESCRIPTION QTY. CU-S9NKU-1 CU-S12N KU-1 REMARK 1 CHASSIS ASSY 1 CWD50K2206A ← 2 FAN MOTOR BRACKET 1 CWD541030 ← 3 SCREW - FAN MOTOR BRACKET 2 CWH551217 ← 4 FAN MOTOR 1 CWA951466 ← O 5 SCREW - FAN MOTOR MOUNT 4 CWH55406J ← 6 PROPELLER FA N ASSY 1 CWH03K1010 ← 7 NUT - PROPELLER FAN 1 CWH56053J ← 8 COMPRESS[...]

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    102 17.2.2 CU-S18NKU-1 CU-S22NKU-1 Note The above exploded view is for the purp os e of parts disassembly and replaceme nt. The non-numbered pa rts are not kept as standard service parts.[...]

  • Página 103

    103 REF. NO. PA RT NAME & DESCRIPTION QTY. CU-S18NKU-1 CU-S22NKU-1 REMARK 1 CHASSIS ASSY 1 CWD52K1227A ← 2 ANTI - VIBRATION BUSHING 3 CWH50077 ← 3 COMPRESSOR 1 5CS130XAD04 ← O 4 NUT - COMPRESSOR MOUNT 3 CWH56000J ← 5 FAN MOTOR BRACKET 1 CWD541126 ← 6 FAN MOTOR 1 CWA951686 ← O 7 SCREW - FAN MOTOR BRACKET 2 CWH551217 ← 8 SCREW - FAN[...]