WARNING Loose wiring may cause the terminal to overheat or result

in unit malfunction. A fire hazard may also exist. There- fore, be sure all wiring is tightly connected.

When connecting each power wire to the corresponding terminal, follow the instructions “How to connect wiring to the terminal” and fasten the wire securely tight with the fixing screw of the terminal plate.

How to connect wiring to the terminal

a) For Indoor Unit

9/32"

STRIP (7 mm) (ACTUAL

SIZESIZE)

(1)Cut the wire end with a cutting pliers, then strip the insulation to expose the wire about 9/32" (7 mm). See the label (Fig. 28) near the terminal plate.

(2)Using a screwdriver, loosen the terminal screw on the terminal plate.

(3)Insert the wire and tighten the terminal screw com- pletely using a screwdriver.

b) For Outdoor Unit

For solid core wiring (or F-cable)

(1)Cut the wire end with a cutting pliers, then strip the insulation to expose the solid wire about 15/16" (25 mm). (Fig. 29)

(2)Using a screwdriver, remove the terminal screw(s) on the terminal plate.

(3)Using the pliers, bend the solid wire to form a loop suitable for the terminal screw.

(4)Shape the loop wire properly, place it on the termi- nal plate and fix it securely with the removed termi- nal screw using a screwdriver.

For stranded wiring

(1)

Cut the wire end with a cutting pliers, then strip the

 

insulation to expose the stranded wiring about 3/8"

 

(10 mm) and tightly twist the wire ends. (Figs. 30

 

and 31)

(2)

Using a screwdriver, remove the terminal screw(s)

Fig. 28

Strip 15/16" (25mm)

Solid wire

Insulation

 

 

Fig. 29

Strip 3/8" (10 mm)

Stranded wire

 

Fig. 30

Twist wire ends

Fig. 31

/RRS

Ring connector

 

on the terminal plate.

(3)

Using a ring connector fastener or pliers, securely

 

clamp each stripped wire end with a ring connector.

 

(Fig. 30)

(4)

Place the ring connector wire, and replace and

 

tighten the removed terminal screw using a screw-

 

driver. (Fig. 32)

Special

Screw

 

washer

 

 

Ring connector

Screw and

 

special washer

Wire

Terminal plate

Ring

 

 

 

connector

 

Wire

 

Fig. 32

13

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Image 89
Panasonic R410A How to connect wiring to the terminal For Indoor Unit, For Outdoor Unit For solid core wiring or F-cable
Page 88 Page 90

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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