7-15. Misoperation Alarm Indicators

A blinking lamp for other than the signal receiving unit

filter shows that a problem has occurred in the unit, so make an inspection. (Refer to servicing information in the service manual, etc.) Also, if wired remote controller and dedicated service check lines (CV6380230938: service use) are available, then detailed error information can be obtained by connecting to the service connector as shown in the drawing. For information on how to connect to the signal receiving unit, refer to the instruction manual that came with the dedicated service check lines.

1. Specifications

Service connector

ALL•

RCU : SUB

PCB CHK.

TEST RUN

RCU : MAIN

NORMAL

Fig. 1-107

8. Transmitter

9. Remote control sensor

1

1.Operation Display

2.Start/Stop button

3.Fan speed button

4. Swing/Wind Direction button

 

 

 

10. Temperature setting buttons

 

 

11. Filter button

12. Mode Select button

5.Timer setting button 13. Ventilation button

14. Address button

 

 

6. Reset button

15. Sensor button

 

 

7. Cover

16. Clock button

 

 

 

 

 

 

 

Fig. 1-108

Table 1-10

 

 

 

 

 

Lamp

 

 

 

OPERATION

TIMER

STANDBY

Bright

Cause of Trouble

lamp

lamp

lamp

 

 

 

 

 

 

No power supply or mis-wiring of signal receiving unit.

 

 

 

 

S.C.* errors between the indoor unit’s controller (PCB) and

 

 

 

 

signal receiving unit.

 

 

 

 

S.C. errors between indoor and outdoor units.

 

 

 

Alternately

Indoor unit protector is activated.

 

 

 

Alternately

Outdoor unit protector is activated.

 

 

 

 

Compressor protector is activated.

 

 

 

Concurrent

Mis-setting of indoor unit.

 

 

 

Concurrent

Mis-setting of outdoor unit.

*S.C.: Serial communications

1-109

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Image 115
Panasonic R410A service manual Timer Standby, Bright Cause of Trouble
Page 114 Page 116

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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