Panasonic CU-4KE31NBU, CU-4KE24NBU Tools Specifically for R410A, Tubing Installation Procedures

Models: CU-3KE19NBU CU-4KE24NBU CU-4KE31NBU

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9-3. Tools Specifically for R410A

For servicing, use the following tools for R410A

Tool Distinction

Tool Name

 

 

 

Gauge manifold

 

Charging hose

 

Gas leak detector

 

Refrigerant cylinder

 

Charging cylinder

 

Refrigerant recovery unit

Tools specifically for R410A

Vacuum pump with anti-reverse flow (*1)

 

(Solenoid valve-installed type, which prevents oil from flowing back into the

 

unit when the power is off, is recommended.)

 

Vacuum pump (*2)...can be used if the following adapter is attached.

 

Vacuum pump adapter (reverse-flow prevention adapter) (*3).

 

(Solenoid valve-installed adapter attached to a conventional vacuum pump.)

 

Electronic scale for charging refrigerant

 

Flare tool

 

 

 

Bender

Tools which can be com-

Torque wrench

 

monly used for R22,

Cutter, reamer

R407C, and R410A

Welding tool, nitrogen gas cylinder

 

 

 

CAUTION

The above tools specifically for R410A must not be used for R22 and R407C. Doing so will cause malfunction of the unit.

For the above vacuum pump (*1, *2) and vacuum pump adapter (*3), those for R22-type units can be used for R410A-type. However, they must be used exclusively for R410A and never alternately with R22 and R407C.

To prevent other refrigerants (R22, R407C) from being mistakenly charged to this unit, shape and external diameter of the service port screw has been altered.

<External diameter of service port> R410A : 5/16" R22, R407C : 1/4"

9-4. Tubing Installation Procedures

When the tubes are connected, always apply HAB oil on the flare portions to improve the sealing of tubing. The following is the HAB oil generally used:

Esso: ZERICE S32

NOTE For details on tubing installation procedures, refer to the installation manuals attached to the indoor unit and outdoor unit.

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Panasonic CU-4KE31NBU, CU-4KE24NBU, CU-3KE19NBU service manual Tools Specifically for R410A, Tubing Installation Procedures

CU-3KE19NBU, CU-4KE24NBU, CU-4KE31NBU specifications

The Panasonic CU-4KE24NBU, CU-4KE31NBU, and CU-3KE19NBU are high-efficiency air conditioning units that represent Panasonic's commitment to innovative climate control solutions. These models integrate advanced technologies to deliver superior performance, energy savings, and user comfort, making them ideal for both residential and commercial applications.

The CU-4KE24NBU, a part of the ECOi series, is designed for medium-sized spaces. It boasts an impressive cooling capacity, ensuring optimal temperature regulation. Its inverter technology adjusts the compressor speed according to the needs of the environment, resulting in reduced energy consumption and consistent comfort levels. The unit operates quietly, making it suitable for bedrooms, offices, or other noise-sensitive environments. Additionally, it features a robust air filtration system that improves indoor air quality by removing dust and allergens.

The CU-4KE31NBU offers a slightly higher capacity, making it perfect for larger areas. Like its counterpart, it utilizes inverter technology, which not only enhances energy efficiency but also minimizes wear and tear on the components, leading to a longer lifespan. Its multi-split capability allows for the connection of multiple indoor units to a single outdoor unit, providing flexibility in installation. The CU-4KE31NBU also integrates smart technology that allows users to control the system remotely via smartphones, giving them greater convenience and control over their environment.

For applications requiring a more compact option, the CU-3KE19NBU is an excellent choice. This model balances size and power, offering a competitive cooling capacity that can easily service small to medium-sized rooms. The unit is designed for easy installation and maintenance, featuring a lightweight construction that simplifies handling by technicians. The efficient inverter technology ensures that users benefit from lower energy bills while maintaining a consistent indoor climate.

All three models are equipped with Panasonic’s advanced refrigerants, which contribute to their eco-friendly performance. These refrigerants help reduce greenhouse gas emissions while maintaining high efficiency. Moreover, the units come with built-in diagnostic capabilities, allowing for quick detection of any issues, thus ensuring that the systems operate at peak efficiency throughout their lifespan.

In summary, the Panasonic CU-4KE24NBU, CU-4KE31NBU, and CU-3KE19NBU are exemplary air conditioning solutions that combine cutting-edge technology with user-friendly features, ensuring that they meet the varying needs of today's consumers while promoting energy efficiency and sustainability.