Ceiling Panel

CAUTION

Never touch or attempt to move the air direction louver by hand or you may dam- age the unit. Instead, use the remote controller if you want to change the direction or air flow.

Latch

1. Specifications

Screw

Air-intake grille

6-6. Before Installing the Ceiling Panel

(1)Remove the air-intake grille and air filter from the ceiling panel. (Figs. 1-24 and 1-25)

(a)Remove the 2 screws on the latch of the air- intake grille. (Fig. 1-24)

(b)Press on the 2 latches of the air-intake grille

1with your thumbs in the direction of the arrow to open the grille. (Fig. 1-24)

(c)With the air-intake grille open about 45°, remove the safety cord (hook on the grille side). (Fig. 1-25)

(d)Pull the air-intake grille towards you to remove it from the ceiling panel.

(2)Pull down the two panel catches on the body of the indoor unit body. (Fig. 1-26)

Ceiling panel

Panel catch

Electrical component box

Electrical component box

Clamp

Ceiling panel wiring connector

Fig. 1-26

Ceiling panel

Fig. 1-24

Air filter

45°

Safety cord

Unit body

Fig. 1-25

Panel catch

(arrange facing downwards)

(2 locations)

Screws M5 with washer (supplied)

Air filter

Air-intake grille

1-80

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Page 86
Image 86
Panasonic R410A service manual Before Installing the Ceiling Panel, Unit body
Page 85 Page 87

R410A specifications

Panasonic R410A is a refrigerant that has gained significant popularity in the air conditioning and refrigeration industry due to its favorable environmental properties and performance characteristics. Specifically designed to replace the harmful R22 refrigerant, which is being phased out due to its ozone-depleting potential, R410A offers a more eco-friendly alternative without compromising on efficiency or power.

One of the main features of R410A is its high energy efficiency. It operates at a higher pressure than R22, resulting in better heat transfer capabilities. This increased efficiency translates to lower energy consumption, making units using R410A more cost-effective in the long run. Additionally, R410A is known for its ability to provide excellent cooling performance even in high-temperature environments, making it suitable for a variety of applications, from residential air conditioning systems to commercial refrigeration units.

In terms of composition, R410A is a blend of two hydrofluorocarbons (HFCs), namely R32 and R125. This combination not only minimizes ozone depletion potential (ODP) but also reduces global warming potential (GWP) compared to older refrigerants. Panasonic has emphasized the importance of innovative technologies in its products, and R410A aligns perfectly with the company's commitment to developing sustainable solutions.

Panasonic also integrates advanced technologies to optimize the performance of R410A systems. For example, variable speed compressors, known as inverter technology, enhance system efficiency by adjusting the compressor's speed according to the cooling demand. This ensures that energy is only consumed when needed, further reducing operational costs.

Furthermore, R410A has a wide range of applications, including air conditioning systems, heat pumps, and chillers. Its versatility makes it a popular choice among manufacturers and consumers alike. The refrigerant is also compatible with existing R22 equipment, although specific retrofit procedures must be followed to ensure peak performance and reliability.

In conclusion, Panasonic R410A stands out as an innovative refrigerant choice in the HVAC industry, offering a combination of energy efficiency, environmentally friendly properties, and advanced technologies. As regulatory frameworks continue to tighten on greenhouse gas emissions, R410A and similar refrigerants are expected to play a crucial role in shaping a more sustainable future for air conditioning and refrigeration. Its high performance and lower environmental impact solidify its position as a leading refrigerant in contemporary cooling solutions.
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