Panasonic CZ-18BT1U + CU-KS12NK1A, CS-KS12NB41, CS-KS18NB4UW Outdoor Unit CU-KS18NKUA 230V

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2-1-4.Indoor Unit

CS-KS18NB4UW & CZ-18BT1U

 

 

 

Outdoor Unit CU-KS18NKUA

 

 

 

< 230V >

 

 

 

 

 

 

 

Voltage Rating

 

 

 

 

230V Single-Phase 60Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cooling

Performance

 

 

 

 

 

Air Circulation (Hi/Me/Lo)

ft3/min (m3/h)

341 (579) / 294 (500) / 253 (430)

 

Total Capacity

 

 

 

BTU/h

17,500

( 4,000 to 17,500 )

 

 

 

 

 

kW

5.15

( 1.2 to 5.15 )

 

Sensible Capacity

 

 

 

BTU/h

 

10,600

 

Latent Capacity

 

 

 

BTU/h

 

6,900

 

 

 

 

 

 

 

 

Moisture Removal (High)

 

Pints/h

 

4.89

 

Available Voltage Range

 

V

 

187 to 253

Rating

Running Amperes

 

 

 

A

8.3

( 1.2 to 8.3 )

 

 

 

 

 

Power Input

 

 

 

W

1,860

( 250 to 1,860 )

Electrical

Power Factor

 

 

%

 

97

Compressor Locked Rotor Amperes

 

A

 

17.5

 

EER

 

 

 

BTU/h/W

 

9.41

 

SEER

 

 

 

BTU/Wh

 

16

 

 

 

 

 

 

 

 

Fuse or Circuit Breaker Capacity

 

A

 

15

 

Controls / Temperature Control

 

 

Microprocessor / I.C. Thermister

 

Control Unit

 

 

 

 

Wireless Remote Control Unit

 

 

 

 

 

 

 

 

Timer

 

 

 

 

24-Hour ON or OFF Timer, 1-Hour OFF Timer

 

Fan Speeds

 

Indoor / Outdoor

Auto and 3 steps / Auto (Hi and multi steps)

 

Airflow Direction (Indoor)

 

Horizontal

 

-

 

 

 

 

 

Vertical

 

Auto

Features

Air Filter

 

 

 

 

Washable, Anti-Mold

Compressor

 

 

 

 

DC Twin Rotary (Inverter)

 

 

 

 

 

 

Refrigerant / Amount charged at shipment

 

Ibs (g)

R410A / 2.87 (1,300)

 

Refrigerant Control

 

 

 

 

Electric Expansion Valve

 

Operation Sound

 

Indoor : Hi/Me/Lo

 

dB-A

 

44 / 40 / 36

 

 

 

Outdoor : Hi

 

dB-A

 

51

 

Refrigerant Tubing Connections

 

 

 

Flare Type

 

Max. allowable tubing length at shipment

 

ft (m)

 

25 (7.5)

 

Refrigerant

 

Narrow tube

 

inch (mm)

 

1/4 (6.35)

 

 

 

 

 

 

 

 

 

Tube Diameter

 

Wide tube

 

inch (mm)

 

1/2 (12.7)

 

Wired Remote Controller (Option)

 

 

 

CZ-RD515U

13

Image 13
Contents DC Inverter Split System AIR Conditioner Safety Precautions Prohibit Table of Contents Checking Electrical Components Models CS-KS18NB4UW & CZ-18BT1U + CU-KS18NKU Operating RangeModels CS-KS12NB41 & CZ-18BT1U + CU-KS12NK1A Unit Specifications SpecificationsIndoor Unit Outdoor UnitDimensions & Weight Indoor Unit 208V Unit Dimensions Height Inch mm 12-5/16 Outdoor Unit CU-KS12NK1A CS-KS12NB41 & CZ-18BT1UCU-KS12NK1A Outdoor Unit CU-KS18NKUA 230V CU-KS18NKUA Indoor Unit Outdoor Unit CU-KS18NKUA 208V Indoor Unit Major Component SpecificationsIndoor Unit Body CS-KS12NB41 Indoor Unit Panel CZ-18BT1UCB-CS-KS18NB4U Indoor Unit Body CS-KS18NB4UWOutdoor Unit CU-KS18NKU Outdoor UnitControl Circuit Fuse 125V 25A Outdoor Unit CU-KS18NKUA Other Component Specifications Unit inch mm Dimensional DataUnit inch mm 852-0-0010-12600-0 CU-KS18NKUA Refrigerant Flow Diagram Refrigerant Flow DiagramIndoor unit Outdoor unit Indoor Unit CS-KS18NB4UW & CZ-18BT1U Outdoor Unit CU-KS18NKULow pressure performance chart Temperature ChartsOperating current performance chart Indoor discharge air performance chartTube Cooling Capacity Power Supply 115V Single Phase 60Hz Cooling CapacityCS-KS18NB4UW & CZ-18BT1U Power Supply 230V Single Phase 60Hz Cooling CapacityCU-KS18NKU or CU-KS18NKUA Cooling Capacity Low Ambient TC Total Cooling Capacity BTU/h Electrical Data Electrical CharacteristicsCooling Outdoor Unit Complete Unit Fan Motor 18BT1U CS-KS12NB418FA2-5250-46900-2 Outdoor Unit CU-KS12NK1A 8FA2-5251-12300-2 BLK Outdoor Unit CU-KS18NKU CU-KS18NKUAAddress Setting of the Remote Controller MaintenanceHow to Connect How to DisconnectDisconnect the connectors in the control box Disassembly ProcedureRemove the air intake grill Remove the ceiling panel Remove the power box and control box Remove the indoor air temperature sensorScrew Ground cable CN07 CN03 CN09 CN06 Remove the main body lower section Remove the heat exchanger sensor Remove the drain pump and float switchRemove the heat exchanger Remove the turbo fan and fan motorOperation Functions FunctionsEmergency operation PAM- controlLamp colors Timer backupProtective Functions Compressor discharge temperature controlFreeze prevention CT Peak current cut-off controlPrecautions before Performing Inspection or Repair Troubleshooting Before Calling for ServiceMethod of Self-Diagnostics Indoor Unit Self-diagnostics LampsChecking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsReplace the controller Replace the circuit board or the fuseOff Blinking Illuminated Serial Communication Error Identification ProcedureBefore the Operation Condition E01From the previous page a Condition E12 Indoor Fan Motor Trouble Diagnosis of Fan MotorOutdoor Fan Motor Noise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Checking Electrical Components Power Supply CordMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy Characteristics of New Refrigerant R410A Refrigerant R410A Special Precautions When Servicing UnitWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorExample Amount in the charging cylinder is less than 20%To prevent the composition Welding leaking points Case Refrigerant is LeakingRecharging Charging Additional Refrigerant When Tubes are ExtendedRetro-Fitting Existing Systems Use of Existing Units

CZ-18BT1U + CU-KS18NKU, CZ-18BT1U + CU-KS12NK1A, CZ-18BT1U + CU-KS18NKUA, CS-KS18NB4UW, CS-KS12NB41 specifications

The Panasonic CZ-18BT1U indoor unit, when paired with the appropriate outdoor units like CU-KS18NKU, CU-KS18NKUA, CU-KS12NK1A, CS-KS18NB4UW, and CS-KS12NB41, offers a robust solution for maintaining optimal indoor climates. These units are designed for residential and commercial applications, ensuring reliable heating and cooling performance.

One of the standout features of the Panasonic CZ-18BT1U is its energy efficiency. This model boasts a high Seasonal Energy Efficiency Ratio (SEER), enabling users to enjoy a comfortable environment without incurring excessive energy costs. This is further complemented by advanced inverter technology, which allows for variable speed operation, adjusting the compressor activity based on the cooling or heating needs of the space. This feature not only enhances comfort but also minimizes energy consumption.

The outdoor unit options, CU-KS18NKU, CU-KS18NKUA, and CU-KS12NK1A, support this efficiency with high-performance compressors designed for reduced noise levels. They are built to withstand varied weather conditions, ensuring durability and longevity. The outdoor units also feature high-efficiency heat exchangers that improve thermal performance, enhancing overall system efficiency.

Noise reduction is a critical consideration in HVAC systems, and the Panasonic CS-KS18NB4UW and CS-KS12NB41 outdoor units are engineered with this in mind. They operate at low decibel levels, making them ideal for residential areas where noise can be a concern. Additionally, these units come equipped with a wide range of operational modes, such as cooling, heating, and dehumidification, providing users with year-round comfort.

Flexibility and installation convenience are enhanced by the compact design of both the indoor and outdoor units. This versatility allows for various placement options, making them suitable for different room layouts.

Moreover, these systems incorporate air purification technologies, which help to improve indoor air quality by filtering out pollutants. This feature is especially beneficial for users with allergies or respiratory conditions, ensuring a healthier living environment.

In summary, the Panasonic CZ-18BT1U paired with CU-KS18NKU, CU-KS18NKUA, CU-KS12NK1A, CS-KS18NB4UW, and CS-KS12NB41 units offer an efficient and quiet HVAC solution. With advanced technologies, energy-saving features, and health-oriented design, they are a smart investment for maintaining comfort and improving air quality in any indoor space.