5. Outdoor unit maintenance remote control

Display (functions)

•Use the temperature setting and buttons to change the item code.

Item code

Display contents

Remarks

00 (1)

Outdoor unit alarm contents (code): OFF when normal

At initial status

Blinking 8-alarm code display at pre-trip, LED (2)

 

 

 

01

No. of indoor units connected in that refrigerant system

 

02

Unit. Nos. of connected indoor units in that refrigerant system *2

 

03

Operating status of indoor units in that refrigerant system (blinks when alarms occur) *2

 

04

Unit Nos. of indoor units in that refrigerant system where the thermostats are ON *2

 

05

No. of outdoor units connected in that refrigerant system

No. of connected

 

 

units: 1

06

Unit Nos. of connected outdoor units in that refrigerant system *2

 

07

Operating status of outdoor units in that refrigerant system (blinks when alarms occur) *2

 

08

 

 

09

 

 

0A

 

 

0b

 

 

0C

 

 

0d

 

 

0E

 

 

0F

 

 

10

Total compressor operating time (in 1-hr. units) *3

 

11

 

 

12

 

 

13

 

 

14

 

 

15

 

 

16

Total power ON time of outdoor unit (in 1-hr. units)

 

17

Compressor start count

 

18

 

 

19

 

 

FE

Outdoor unit microcomputer firmware version

 

FF

Outdoor unit microcomputer software version

 

(3)XX-YY R.C.

Displays the outdoor unit address of the selected outdoor sub-bus.

XX= Main bus line outdoor system address (1 – 30)

YY= Outdoor unit address in outdoor sub-bus (1 – 4). This is “1” when there is only 1 outdoor unit.

<Sample displays>

5

* See following page for *2 and *3.

Locations where (1), (2), and (3) are displayed are shown below.

(2)(1)

01: <No. of connected indoor units>

02: <Unit Nos. 1, 2, 3, and 4 are connected>

4 units connected

 

(3)

LED

5-4

Page 181 Page 183
Page 182
Image 182
Panasonic R410A service manual Item code Display contents, Sample displays
Page 181 Page 183

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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