4. How to Test Run the Air Conditioner

After turning on the power of the air conditioner, use the remote controller and follow the steps below to conduct the test run.

(1) Set the remote controller in Test Run mode. (Fig. 33)

a)Press and hold the HIGH POWER button and the 1HR. TIMER button.

E 7KHQSUHVVDQGKROGWKH$&/ 5HVHW EXWWRQZLWK a pointed object such as the tip of a pen. After 5 VHFRQGVUHOHDVHWKH$&/ EXWWRQILUVW

c)Then release the HIGH POWER and 1HR. TIMER buttons.

d) appears and “oP-1” blinking in the remote con- troller clock display area. (Fig. 34)

(2)Start Cooling mode test run by pressing the ON/OFF operation button of the remote controller. (Fig. 33)

‡7KLVVWDUWVWKHIDQSURGXFLQJXQFRROHGIRUFHGDLU with the 3 indicator lamps (OPERATION lamp, TIMER lamp, and HIGH POWER lamp) on the main unit blinking. (Fig. 35)

‡$IWHUPLQXWHVWKHV\VWHPVKLIWVLQWRFRROLQJ operation, and cool air will start to be felt. Cooling mode test run is unaffected by the room tempera- ture.

(3)Press the ON/OFF operation button of the remote controller again to stop the test run. (Fig. 33)

 )LQDOO\SUHVVWKH$&/ 5HVHW EXWWRQRIWKHUHPRWH controller to release it from Test Run mode to return to normal mode. (Fig. 33)

‡´ µDQG´R3µZLOOGLVDSSHDUIURPWKHUHPRWH controller clock display area.

NOTE

Troubleshooting:

In the event that the green OPERATION lamp is blinking upon powering up the system, an error condition exists. In this case, refer to the self-diagnostics procedure which can be seen by opening the air-intake grille.

IMPORTANT

HIGH POWER button

ON/OFF operation button

1HR.

TIMER button

$&/ (Reset) button

Fig. 33

Fig. 34

$IWHUWKHWHVWUXQLVFRPSOHWHGEHVXUHWRSUHVVWKH$&/ (Reset) button to return to normal mode. The air condi- tioner will not operate correctly if this is not done.

OPERATION button

OPERATION lamp

TIMER lamp

HIGH POWER lamp

REMOTE CONTROL receiver

Fig. 35

14

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Panasonic R410A service manual How to Test Run the Air Conditioner
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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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