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Manual de instrucciones Panasonic CU-2S18NBU-1

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  • Panasonic CU-2S18NBU-1 - page 1

    © Panasonic HA Air-Conditioni ng (M) Sdn. Bhd. 2011. Unauthorized copying and distribu tion is a violation of law. Order No: PHAAM1111121 A1 Outdoor Unit CU-2S18NBU-1 Please file and use this manual together with the service manual for Model No. CS-S9NKUW-1, CS -S12NKUW-1 Order No. PHAAM111 1084 C1 TABLE OF CONTENTS 1. Safety Pr ecautions ........ ...

  • Panasonic CU-2S18NBU-1 - page 2

    2 12.12 Valve close detect ion control ......................23 12.13 Compressor discha rge high pressure protection co ntrol ........................................23 13. Servicing Mode .................................................24 13.1 Pump Down O peration ...............................24 13.2 Test Operation .............................. ...

  • Panasonic CU-2S18NBU-1 - page 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 o f the power plug a nd main circuit for the model installed. • The caution items stated here must be fo llo wed because t ...

  • Panasonic CU-2S18NBU-1 - page 4

    4 WARNING 20. During pump down operation, stop the compressor before remove the refrigeration piping. (Removal of refrigeration piping while compressor is operating and valves are opened condition will cause su ck-in of air, abnormal high pressure in refrigeration cycl e and result in explosion, injury etc.). 21. After completion of installation or ...

  • Panasonic CU-2S18NBU-1 - page 5

    5 2. S pecification Model Outdoor Unit CU-2S18 NBU-1 Indoor Unit Combination 3.2kW + 3.2kW Power Source 1 Phase, 208-230V, 60Hz (Power supply from outdoor unit) kW 4.89 (2.10 ~ 5.86) Capacity BTU/h 16700 (7200 ~ 20000) Running Current A 7.6 - 6.9 Power Input kW 1.45 (0.39 ~ 1.84) EER W/W 3.37 (5.38 ~ 3.18) Electrical Data BTU/hW 11.50 (18.45 ~ 10.8 ...

  • Panasonic CU-2S18NBU-1 - page 6

    6 • Multi split combination possibility: o A single outdoor unit enables air con ditioning of up to two separate rooms for CU-2S 18NBU-1. Ou tdoor Unit CU-2S18NBU-1 A B 2.8 kW CS-S9NKUW-1 ● ● Wall 3.2 kW CS-S12NKUW-1 ● ● Capacity range of connectable indoor units From 5.6 kW to 6.4 kW 1 room maximum pipe length (m (ft)) 25 (82.0) Allowabl ...

  • Panasonic CU-2S18NBU-1 - page 7

    7 3. Dimensions ...

  • Panasonic CU-2S18NBU-1 - page 8

    8 4. Refrigeration Cycle Diagram ...

  • Panasonic CU-2S18NBU-1 - page 9

    9 5. Block Diagram ...

  • Panasonic CU-2S18NBU-1 - page 10

    10 6. Wiring Connection Diagram ...

  • Panasonic CU-2S18NBU-1 - page 11

    11 7. Electronic Circuit Diagram ...

  • Panasonic CU-2S18NBU-1 - page 12

    12 8. Printed Circuit Board 8.1 Main Printed Circuit Board ...

  • Panasonic CU-2S18NBU-1 - page 13

    13 8.2 Noise Filter Printed Circuit Board ...

  • Panasonic CU-2S18NBU-1 - page 14

    14 9. Inst allation Information 9.1 Check Points QUICK GUIDE PIPING & ELECTRICAL SPECIFICATION Piping size Indoor(ID) & Outdoor( OD) units: Possible Combinatio n Patterns Capacity (Btu/h) Refrigeran t Gas Liquid Standard pipe length Max. Elevation Min. pipe length for each ID unit Max. from OD to each ID Max. total length Min. total pipe le ...

  • Panasonic CU-2S18NBU-1 - page 15

    15 10. Inst allation Instruction 10.1 SELECT THE BEST LOCATION 10.1.1 OUTDOOR UNIT • If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radia tion from the condenser is not obstru cted. • There should not be any animal or plant which could be affected by hot air discha rged. • Keep the spaces indicate ...

  • Panasonic CU-2S18NBU-1 - page 16

    16 Outdoor Unit Installation Guidelines • Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below. • For any of the below installation patterns, the wall height on the exhaust side should be 47 1/4" or less. ...

  • Panasonic CU-2S18NBU-1 - page 17

    17 10.2 INSTALL THE OUTDOOR UNIT • After selecting the best location, start installa tion to Indoor/Outdoor Unit Installation Diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally with b olt nut (ø13/32"). 2. When installing on a roof, please con sider strong winds and earthq uakes. Please fasten the installation stand ...

  • Panasonic CU-2S18NBU-1 - page 18

    18 10.4 EVACUATION OF THE EQUIPMENT WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure. 1. Connect a charging hose with a push pin to the Low side of a charging set and the service po rt of the gas side 3-way valve. 2. Connect the micron gauge between vacuum pump and service p ...

  • Panasonic CU-2S18NBU-1 - page 19

    19 8. For wire stripping and co nnection requirement, refer to the diagram below. 9. Secure the power supply cord an d connecting cabl es onto the control board with the holder. 10. Attach the control board cover (metal and resin) a nd valve cover b ack to the original position with screw. 10.6 HEAT INSULATION Liquid-side pipes CAUTION U se a mater ...

  • Panasonic CU-2S18NBU-1 - page 20

    20 11. Operation Control 11.1 Cooling Operation 11.1.1 Outdoor fan control • When cooling operation is enabled, ba sed on outdoor am bient temperature, fan motor control will be adju sted according to figure below: 11.1.2 Powerful Operation 1 • During cooling operation, this control is to concentrat e outdoor unit capability to the powerful o p ...

  • Panasonic CU-2S18NBU-1 - page 21

    21 12. Protection Control 12.1 Freeze Prevention control (Cool) • When received freeze prevention signal from indoor uni t, the compressor frequency change s according to indoor heat exchanger temperature. • When indoor unit request capability OFF due to freeze c ondition , immediately the capability supply to targeted indoor unit stops. 12.2 D ...

  • Panasonic CU-2S18NBU-1 - page 22

    22 12.5 Cooling overload control (Cool) • This control detect outdoor pipe temperature and perfo rm the compressor frequency restriction durin g cooling operation. 12.6 Time Delay Safety Control (Restart Control) • The compressor will not restart within three minutes after compressor is stopped. • This control is not applicable if the power s ...

  • Panasonic CU-2S18NBU-1 - page 23

    23 12.10 Compressor Protection Cont rol (Gas leak detection control 1) • Control start conditions o For 5 minutes, the compressor continuou sly operates and total current is low. o During Cooling or Soft Dry operation: Indoor intake temperature — indoor pipi ng temperature is below 39.2°F. • Control content o Compressor stops (an d restart a ...

  • Panasonic CU-2S18NBU-1 - page 24

    24 13. Servicing Mode 13.1 Pump Down Operation • Operate the pump down according to the following procedures. 1 Confirm the valve on the liquid side and gas side is open. 2 Press PUMP DOWN swit ch (SW1) on the display printed circuit board for more than 5 seconds. Pump down (cooling) o peration is performed for 15 minutes. 3 Set the liquid side 3 ...

  • Panasonic CU-2S18NBU-1 - page 25

    25 NOTE 1. For two rooms, LED 4 and 5 are not illuminated after wiring operation complete. 2. If the outdoor air temperature is less than 41°F or unit has abnormalit y, wiring operation will not start. 3. After wiring check operation is complete, LED i ndication will illuminated until normal operation starts. 4. Follow the product diagnosis proced ...

  • Panasonic CU-2S18NBU-1 - page 26

    26 14. T roubleshooting Guide 14.1 Self Diagnosis Function • The display screen of wireless remote control unit an d the self-diagnosis LEDs (green) on the outdoor pri nted circuit board in the outdoor unit can be used to identify the location of the problem. Refer to the table below to identify and solve the cau se of the problem, and then re -s ...

  • Panasonic CU-2S18NBU-1 - page 27

    27 Diagnosis display Abno rmality or Protection control LED 6 LED 5 LED 4 LED 3 LED 2 LED 1 A bnormal ity Judgment Protecti on Operation Problem Check location H98 Indoor high pressure protection ○ ○ ○ ― ― Indoor high pressure protection (Heating) • Check indoor heat exchanger • Air filter dirty • Air circulation short circuit H99 I ...

  • Panasonic CU-2S18NBU-1 - page 28

    28 WA RN ING 15. Disassembly and Assembly Instructions High Voltages are generated in the electrical parts area b y the capacitor. Ensure t hat the capacitor has discharged sufficientl y before proceeding with repair work. Failure to heed this c aution may result in electric shocks. 15.1 Outdoor Unit Removal Procedure Caution! When handling electro ...

  • Panasonic CU-2S18NBU-1 - page 29

    29 15.1.3 Removing the Control P.C. Board 6. Remov e the drip proof cover. 7. Disconnect the connectors (le ad wires of the compressor, sensor, and others). 8. Remov e the screw at the ri ght side of the control box, and pull out the entir e control bo x. 9. Rele ase the control P.C. B oard tab to remove the control P.C. Board. 15.1.4 Removing the ...

  • Panasonic CU-2S18NBU-1 - page 30

    30 3. Disconnect the fan motor connector from the control P.C. Board. 4. Loosen the 4 fan motor mounting scre ws then remove the fan motor. ...

  • Panasonic CU-2S18NBU-1 - page 31

    31 16. T echnical Dat a 16.1 Operation Characteristics 16.1.1 CS-S9NKUW-1 CU-2S18NBU-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 ...

  • Panasonic CU-2S18NBU-1 - page 32

    32 • 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 ...

  • Panasonic CU-2S18NBU-1 - page 33

    33 16.1.2 CS-S9NKU W-1x2 CU-2S18NBU-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 ...

  • Panasonic CU-2S18NBU-1 - page 34

    34 • 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 ...

  • Panasonic CU-2S18NBU-1 - page 35

    35 16.1.3 CS-S12NKUW-1 CU-2S18NBU-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 ...

  • Panasonic CU-2S18NBU-1 - page 36

    36 • 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 ...

  • Panasonic CU-2S18NBU-1 - page 37

    37 16.1.4 CS-S12NKUW -1x2 CU-2S18NBU-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 ...

  • Panasonic CU-2S18NBU-1 - page 38

    38 • 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 ...

  • Panasonic CU-2S18NBU-1 - page 39

    39 16.1.5 CS-S12NKUW-1+CS- S9NKUW-1 CU-2S18NBU-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 ...

  • Panasonic CU-2S18NBU-1 - page 40

    40 • 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 ...

  • Panasonic CU-2S18NBU-1 - page 41

    41 17. Exploded View and Replacement Part s List 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. ...

  • Panasonic CU-2S18NBU-1 - page 42

    42 REF. NO. DESCRIPTION & NAME QTY. CU-2S18NBU-1 REMARK 1 BASE PAN ASS'Y 1 CWD52K1240A 2 SOUND-PROOF BOARD 1 CWH151230 3 FAN MOTOR BRACKET 1 CWD541127 5 CONDENSER COMPLETE 1 CWB32C2925 6 FAN MOTOR 1 EHDS80CAC O 8 PROPELLER FAN 1 CWH00K1006 9 NUT - PROPELLER FAN 1 CWH561038J 10 COMPRESSOR 1 5KD184XAB21 11 PACKING 3 CWB81043 12 ANTI - VIBRAT ...

  • Panasonic CU-2S18NBU-1 - page 43

    43 REF. NO. DESCRIPTION & NAME QTY. CU-2S18NBU-1 REMARK 69 SHOCK ABSORBER (LEFT) 1 CWG712880 70 C.C.CASE 1 CWG565609 76 TERMINAL COVER 1 CWH171035 77 NUT - TERMINAL COVER 2 CWH7080300J (Note) • All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488). • “O” marked parts are recommended to be kept in sto ck. Printed in Malaysi ...

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El manual de instrucciones completo de Panasonic debe contener unos elementos básicos. Una parte de ellos es menos importante, como por ejemplo: la portada / la página principal o las páginas de autor. Sin embargo, lo demás debe facilitarnos la información más importante desde el punto de vista del usuario.

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5. FAQ - las preguntas frecuentes
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