6-6-5. Final Installation Checks

Is there no scratch or dent on the existing pipes?

Is it possible to operate the existing air conditioner?

YES

∗After the existing air conditioner operated in cooling mode for approx. 30 minutes or longer*, recover the refrigerant.

∗For cooling the pipes and recovering of oil

• Refrigerant recovery: Pump down method

∗Remove the existing air conditioner from the piping and carry out flashing (nitrogen pressure 0.5 Mpa) to remove the remains inside of the pipe.

Note] In case of twin, also be sure to flash the branching pipe.

Was not largely discolored oil or

a large quantity of remains discharged? (When the oil deteriorates, the color of the oil changes to muddy and black color.)

YES

￿Connect the indoor/outdoor units to the existing pipe.

•Use a flare nut attached to the main unit for the indoor/outdoor units.

(Do not use the flare nut of the existing pipe.)

•Re-machine the flare machining size to size for R410A.

∗In case that a gas pipe Ø19 mm or bigger is used for the outdoor unit of SM80 (3 HP) : (Our R410A model 3 to 6 HP gas pipe size is Ø15.9 mm)

See page 9-3-2.

∗(Airtight test), Vacuum dry, Refrigerant charge, Gas leak check

Trial run

Existing pipe: NO * Use a new pipes.

NO

Nitrogen gas pressure 0.5 Mpa

(If there is discharge of remains,

it is judged that there is a large quantity of remains.)

NO

Clean the pipes or use the new pipes.

If you are in trouble of

pipe cleaning, please contact us.

Piping necessary to change the flare nut/ machining size due to pipe compression.

1)

Flare nut width: H

 

 

 

(mm)

 

 

 

 

 

 

 

 

 

Copper pipe

Ø6.4

 

Ø9.5

Ø12.7

Ø15.9

Ø19.1

 

 

 

 

 

 

 

 

 

outer dia.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For R410A

17

 

22

26

29

36

 

 

 

 

 

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For R22

Same as above

24

27

Same

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

as above

 

 

 

 

 

 

 

 

 

 

 

2)

Flare machining size: A

 

 

 

(mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Copper pipe

Ø6.4

 

Ø9.5

Ø12.7

Ø15.9

Ø19.1

 

 

 

 

 

A

 

 

 

outer dia.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For R410A

9.1

 

13.2

16.6

19.7

24.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For R22

9.0

 

13.0

16.2

19.4

23.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Becomes large a little for R410A

Do not apply the refrigerator oil to the flare surface.

– 29 –

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Toshiba RAV-SM1403AT-E1 service manual Final Installation Checks, Yes
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RAV-SM1403AT-E1 specifications

The Toshiba RAV-SM1403AT-E1 is a state-of-the-art air conditioning system designed for residential and commercial applications. Its advanced features and cutting-edge technology ensure optimal cooling and heating performance, making it a popular choice among consumers and businesses alike.

One of the standout characteristics of the RAV-SM1403AT-E1 is its energy efficiency. This model is equipped with a highly efficient inverter compressor that adjusts its output based on the cooling load required, which results in significant energy savings compared to traditional air conditioning systems. Its impressive Seasonal Energy Efficiency Ratio (SEER) ratings highlight its ability to provide effective climate control while minimizing electricity consumption.

The RAV-SM1403AT-E1 utilizes Toshiba’s innovative DC inverter technology, which allows for smoother and quieter operation. This means that users can enjoy a comfortable indoor environment without the disruptive noise often associated with conventional models. In addition to its quiet operation, this air conditioner also features an advanced air filtration system that helps to maintain indoor air quality by removing dust, allergens, and other pollutants.

Another major feature of this system is its versatility in installation. The RAV-SM1403AT-E1 can be installed in various configurations, allowing it to adapt to different spaces and design requirements. It supports multiple indoor units that can be connected to a single outdoor unit, providing flexibility for cooling or heating multiple areas simultaneously.

Smart technology is also integrated into the RAV-SM1403AT-E1. Users can take advantage of remote control options, including Wi-Fi capabilities that allow for convenient management of the air conditioning system via smartphones or tablets. This level of control ensures that users can adjust settings even when they are not present, increasing comfort and efficiency.

The build quality of the Toshiba RAV-SM1403AT-E1 reflects its durability and reliability. Designed to withstand varying environmental conditions, it includes corrosion-resistant features that extend the lifespan of the unit, making it a practical investment for both home and commercial use.

In summary, the Toshiba RAV-SM1403AT-E1 combines energy efficiency, advanced technology, and flexible installation options, making it an excellent choice for those seeking a high-performance air conditioning solution. With its innovative features and commitment to sustainability, this model stands out in the competitive HVAC market.
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