install the indoor unit more than 3.3' (1 m) away from any antenna or power lines or connecting wires used for tele- vision, radio, telephone, security system, or intercom.

Electrical noise from any of these sources may affect operation.

install in a sturdy manner to avoid increased operating noise.

Table 3

 

Max.

Max. Allowable Total

Limit of

Limit of Elevation

Required Amount

 

Allowable

Tubing Length

Total Tubing Length

Difference

of Additional

Model

Tubing Length

at Shipment

(L1+L2+L3) or

(H1, H2, H3, H4)

Refrigerant

 

Per Unit

(L1+L2+L3) or

(L1+L2+L3+L4)

(ft.)

(oz./ft.)*

 

(ft.)

(L1+L2+L3+L4)

(ft.)

 

 

 

 

(ft.)

 

 

 

 

 

 

 

 

 

&8.61%8



 ///

 ///



 

&8.61%8



 ////

 ////





&8.61%8



 ////

 ////





 

 

 

 

 

 

*If total tubing length becomes 150 to 200 ft. (Max.) or 150 to 230 ft. (Max.), charge additional refrigerant (R410A) by 0.22 oz./ft.

No additional charge of compressor oil is necessary. For more detailed charging information, refer to the Technical & Service Manual.

2-2. Embedding the Tubing and Wiring

Before beginning embedding installation work, consult fully with agencies or offices related to the building’s foundation, construction, electricity, and water.

Wait to make connections to the embedded portion. Each connection step is described later in this manual.

Securely cover the end of the embedded tubing to prevent intrusion of dirt or moisture.

If an embedded tube is to be left for a long time, fill the tube with nitrogen and seal both ends securely. If a tube is left open for an extended time, moisture in the air inside the tubing may condense into water droplets, and lead to water contamination of the refrig- erant circuit.

In order to prevent insulation breakdown and ground faults, do not allow wiring ends to come in contact with rainwater, or be subjected to condensation or dew.

Apply sufficient thermal insulation to the refrigerant tubing and drain pipes.

6

Page 102
Image 102
Panasonic CS-MKS24NKU, CS-MKS9NKU, CS-MKS18NKU service manual Embedding the Tubing and Wiring

CS-MKS18NKU, CS-MKS9NKU, CS-MKS24NKU specifications

The Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are part of Panasonic's reputable air conditioning lineup, designed to provide efficient and comfortable cooling and heating solutions for various spaces. These models are ideal for residential and light commercial use, showcasing a blend of innovative technology and user-friendly features.

One of the main characteristics of these units is their inverter technology, which optimizes energy consumption by adjusting the compressor speed based on the cooling or heating demand. This results in lower energy bills and a more sustainable approach to climate control, aligning with the growing demand for eco-friendly solutions. The inverter operation not only enhances energy efficiency but also contributes to quieter operation compared to traditional systems.

Another outstanding feature is the advanced air filtration system integrated into all three models. The system includes a nanoe™ X technology which utilizes nano-sized charged water particles to effectively inhibit the growth of airborne bacteria and viruses, thus improving indoor air quality. Additionally, the filters are designed for easy cleaning, providing convenience for users and reducing maintenance efforts.

The CS-MKS series also boasts a sleek and modern design that seamlessly fits into various interior decors while being compact enough for easy installation. They are engineered for whisper-quiet operation, making them suitable for bedrooms, offices, and other quiet spaces, ensuring comfort without the distraction of noise.

Moreover, these units come equipped with user-friendly remote control capabilities and Wi-Fi connectivity options, allowing users to manage their air conditioning system from anywhere using a smartphone app. This level of convenience ensures that spaces are always at the desired temperature, whether users are at home or on the go.

In terms of energy efficiency, all models are rated highly, ensuring that they not only provide comfort but also minimize environmental impact. Their eco-friendly refrigerant further supports sustainable operation, making them a top choice for environmentally conscious consumers.

In summary, the Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are highly efficient air conditioning units that combine inverter technology, advanced air purification, modern design, and smart connectivity. These features make them ideal candidates for anyone looking for reliable, eco-friendly, and user-centric climate control solutions.