5. Outdoor unit maintenance remote control

5-5. Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History

*Displays outdoor unit alarms only. Does not display indoor unit alarms.

*Check the indoor unit alarm histories separately using the indoor unit remote controllers or other control device.

<Operating procedure>

(1)Press and hold the button and button simultaneously for 4 seconds or longer to change to outdoor unit alarm history mode.

During the alarm history display, “Service Check” is lit.

The display and operations are the same as the monitoring of the alarm device history that is performed using the unit remote controller. However, the outdoor unit address appears instead of the unit No.

 

 

 

(3)

(5)

(1)

(4)

(2)

(2)Press the button and select the outdoor unit for alarm history monitoring.

(3)Use the temperature setting and buttons to select the item code for the alarm history.

The display shows the address of the selected outdoor unit, the item code, and the alarm history (alarm data). The outdoor unit address is displayed as system XX-YY.

System XX = Outdoor unit system address

YY = Outdoor unit sub-bus address

The item code is displayed as 01– 08. 01 indicates the most recent alarm.

The alarm history is indicated by the alarm code. (If there have been no alarm codes, “” is displayed.)

(4)To clear the alarm history, press the button. (The outdoor unit alarm history will be cleared.)

(5)To end, press the button. The display returns to the normal remote controller display.

5-6. Setting Modes: Setting the Outdoor Unit EEPROM

Setting mode 1 <Operating procedure>

(1)Press and hold the button and button simultaneously for 4 sec- onds or longer.

(2)Use the temperature setting and buttons to change the item code. The item codes and setting data are shown in the table on the next page.

(3)Use the timer time and buttons to change the setting data. To confirm the changed setting data, press the button.

(At this time, “Setting” stops blinking and remains lit.)

(4)During this mode, “Setting” is displayed, blinking. The outdoor unit address display section displays “ALL,” the item code and number (DN value in the table), and the setting data (6 digits).

(The setting data is displayed in 6 digits. The display changes between

the first 3 digits (Fig. A ) and the last 3 digits (Fig. B ).

When the first 3 digits are displayed, the top point of the colon is lit.)

(5)To end the setting mode, press the button.

ADisplay of first 3 digits

(5)

(2)

(1)(3)

BDisplay of last 3 digits

5

A and B are displayed alternately. (Example shows display of 000 001.)

5-7

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Panasonic R410A service manual Display of first 3 digits Display of last 3 digits
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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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