Panasonic CU-KE12NK1, CU-KE18NKU, CS-KE18NB4UW, CZ-18BT1U CS-KE12NB41, 8FA2-5250-46900-2

Page 35

TO OUTDOOR UNIT

 

Indoor Unit

CS-KE18NB4UW

CS-KE12NB41 &

& CZ-

CZ-18BT1U

6-2. Electric Wiring Diagrams

35

12 3 TERMINAL BASE

 

 

 

 

 

 

DRAIN PUMP

GND

 

 

 

FAN MOTOR

 

 

FERRITE CORE

 

 

 

 

FM

DP

GRN/YEL

 

 

 

 

 

BLK

WHT

RED

RED

BLK WHT YEL BLU

YEL/(RED) YEL/(RED)

BRN

RED

ORG

YEL

PNK

BLU

VLT

IND LAMP ASSY

 

1

2

3

4

5

 

6

7

 

8

9

10

 

 

1

2

3

4

5

 

6

7

 

8

9

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

BLK

GRN

BRN

RED

 

ORG

YEL

 

PNK

BLU

 

VLT

 

 

FLAP (W)

 

1

 

2

 

3

 

4

 

5

 

1

 

2

 

3

 

4

 

5

 

BLK

 

ORG

 

BLU

 

BRN

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

2

 

3

 

4

 

5

6

1

 

2

 

3

 

4

 

5

6

 

 

 

 

 

 

 

 

 

 

BLK

 

ORG

 

BLU

 

BRN

 

WHT

 

FLAP (R)

1

 

2

3

 

4

 

5

1

 

2

3

 

4

 

5

 

 

 

 

 

 

 

 

BLK

 

WHT

BRN

 

BLU

 

ORG

 

THERMISTOR

FLOAT SWITCH

ROOM

COIL-1

BLK BLK

BLK BLK

BLK BLK

18BT1U

 

1

2

3

4

5

6

 

1

3

 

 

1

2

3

4

5

6

 

1

3

 

AC1 AC2 SI

 

 

DCM

 

 

 

DP

 

 

6P (BLU)

 

3P (BLU)

 

 

6P (WHT)

 

3P (RED)

CONTROLLER

 

1

2

3

4

5

6

7

 

 

 

1

2

3

4

5

6

7

 

 

PWM/POW 7P (RED)

 

 

 

 

 

SERIAL 1

1

RED

 

 

 

2P (WHT) 2

2

WHT

 

 

 

 

BOX

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

 

1

2

3

4

 

1

2

3

4

 

5

6

7

 

1

2

3

4

5

 

 

 

1

2

3

4

5

6

7

 

1

2

3

4

 

1

2

3

4

 

5

6

7

 

1

2

3

4

5

 

 

 

PWM/POW 7P (RED)

 

RC

 

 

 

 

 

IND

 

 

 

 

 

FLAP

 

 

1

1

 

SERIAL

 

 

 

 

 

4P (WHT)

 

 

7P

(WHT)

 

 

5P (WHT)

 

 

 

 

 

 

 

 

 

 

 

 

2

2

 

2P (WHT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROLLER

BOX

 

1

3

 

 

1

2

 

 

1

2

 

 

1

3

 

 

1

2

 

 

1

2

 

 

FS

ROOM

COIL-1

3P (RED)

2P (YEL) 2P (RED)

8FA2-5250-46900-2

Page 34 Page 36
Image 35
Page 34 Page 36
Contents 852 361 Outdoor Model No. Product Code NoSafety Precautions Prohibit Table of Contents CZ-RD515U CS-KE12NB41 & CZ-18BT1U + CU-KE12NK1Operating Range Temperature Indoor Air Intake Temp Outdoor Air Intake TempCS-KE12NB41 & CZ-18BT1U SpecificationsUnit Specifications Indoor UnitDimensions & Weight Outdoor Unit Dimensions & Weight Indoor Unit230V CU-KE18NKUCU-KE18NKU 208V CZ-KE18NB4UW & CZ-18BT1U Indoor Unit Panel CZ-18BT1U Major Component SpecificationsIndoor Unit Indoor Unit Body CS-KE12NB41CB-CS-KE18NB4U Indoor Unit Body CS-KE18NB4UWExternal Finish Outdoor UnitOutdoor Unit CU-KE12NK1 CompressorOutdoor Unit CU-KE18NKU Outdoor air temp sensor Other Component SpecificationsIndoor Unit CS-KE12NB41 & CZ-18BT1U Indoor air temp sensor ModelKTEC-35-S98Unit inch mm Dimensional DataUnit inch mm 852-0-0010-12700-0 Unit inch mm 852-0-0010-13200-0 Outdoor unit Refrigerant Flow DiagramRefrigerant Flow Diagram Outdoor unit Indoor Unit CS-KE12NB41 & CZ-18BT1U Outdoor Unit CU-KE12NK1 Temperature ChartsPerformance Data High pressure performance chart Indoor Unit CS-KE18NB4UW & CZ-18BT1U Outdoor Unit CU-KE18NKU At wide Pressure CU-KE12NK1 Power Supply 115V Single Phase 60Hz Cooling CapacityCooling Capacity CS-KE18NB4UW & CZ-18BT1U Power Supply 230V Single Phase 60Hz Cooling CapacityCooling Capacity Low Ambient 740 11,860 800 24.4 TH Total Heating Capacity BTU/h Power Supply 115V Single Phase 60Hz Heating CapacityHeating Capacity Power Supply 230V Single Phase 60Hz Heating Capacity Heating Electrical CharacteristicsElectrical Data CoolingVoltage208V Cooling Voltage230V Cooling8FA2-5250-46900-2 CS-KE12NB4118BT1U Outdoor Unit CU-KE12NK1 8FA2-5251-12200-2 Controller Address Setting of the Remote Controller MaintenanceHow to Connect How to DisconnectRemove the air intake grill Disassembly ProcedureDisconnect the connectors in the control box 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 motorAuto cooling/heating operation FunctionsOperation Functions Emergency operationLamp colors Timer backupFreeze prevention Compressor discharge temperature controlProtective Functions Overload prevention during heatingReverse-Cycle Defrosting Defrost detection and releaseCT Peak current cut-off control Method of Self-Diagnostics Troubleshooting Before Calling for ServicePrecautions before Performing Inspection or Repair Indoor Unit Self-diagnostics LampsReplace the circuit board or the fuse Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the controllerCondition E01 Serial Communication Error Identification ProcedureOff Blinking Illuminated Before the OperationFrom the previous page a Condition E12 Indoor Fan Motor Trouble Diagnosis of Fan MotorOutdoor Fan Motor Locations most susceptible to noise Trouble Correction Noise Malfunction and Electromagnetic InterferenceNoise malfunction Electromagnetic interferenceMeasurement of Insulation Resistance for Electrical Parts Power Supply CordChecking Electrical Components Measurement of Insulation ResistanceChecking Continuity of Fuse on PCB Assy Characteristics Refrigerant R410A Special Precautions When Servicing UnitCharacteristics of New Refrigerant R410A What is New Refrigerant R410A?Checklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorTo prevent the composition Configuration and characteristics of cylindersAmount in the charging cylinder is less than 20% ExampleRecharging Case Refrigerant is LeakingWelding leaking points Use of Existing Units When Tubes are ExtendedCharging Additional Refrigerant Retro-Fitting Existing Systems
Related manuals
Manual 114 pages 38.6 Kb Manual 132 pages 33 Kb

CZ-18BT1U, CS-KE12NB41, CS-KE18NB4UW, CU-KE18NKU, CU-KE12NK1 specifications

The Panasonic CS-KE18NB4UW and CU-KE12NK1, along with the CS-KE12NB41, CZ-18BT1U, and CU-KE18NKU, represent a suite of advanced air conditioning solutions built with cutting-edge technologies designed to provide optimal comfort, energy efficiency, and air quality in various settings.

One of the standout features of this lineup is the inverter technology. Inverter air conditioners adjust the compressor speed to maintain the desired temperature efficiently. This leads to significant energy savings compared to traditional air conditioners, which tend to frequently cycle on and off, consuming more power. By continuously regulating the temperature, the Panasonic units not only save electricity but also prolong the lifespan of the compressor.

Another noteworthy characteristic is the nanoe™ technology integrated into some of these models. Nanoe™ technology uses hydroxyl radicals to purify the air, minimizing harmful bacteria and allergens. This makes the Panasonic units particularly suitable for users with allergies or respiratory issues, providing a cleaner and healthier indoor environment.

In terms of design, these models are sleek and compact, allowing them to fit seamlessly into any room decor, whether in a home, office, or commercial space. The quiet operation is another advantage, making them ideal for bedrooms and study areas where minimal noise is essential.

Furthermore, the CS-KE18NB4UW and CU-KE12NK1 offer a range of powerful cooling and heating capacities, making them versatile solutions for various climate conditions. The cold climate performance ensures consistent heating in colder regions, while the robust cooling capabilities make them perfect for hot summer months.

The user-friendly features include a smart remote control system, allowing users to adjust settings with ease from a distance. Some models are equipped with Wi-Fi capability, enabling integration with smart home systems for enhanced control and programmability.

In conclusion, the Panasonic CS-KE18NB4UW, CU-KE12NK1, CS-KE12NB41, CZ-18BT1U, and CU-KE18NKU air conditioning units exemplify innovation and efficiency. With their inverter technology, air purification features, compact designs, and smart functionalities, they stand out as ideal choices for maintaining comfortable and healthy indoor environments throughout the year.
Top Page Image Contents