Toshiba RAV-SP180AT2-UL Refrigerant Piping, „ Tightening of Flare Connections, Flaring

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Outdoor Unit

Installation Manual

6 REFRIGERANT PIPING

CAUTION

TAKE NOTE OF THESE 4 IMPORTANT POINTS BELOW FOR PIPING WORK

1.Keep dust and moisture away from inside the connecting pipes.

2.Tightly connect the connection between pipes and the unit.

3.Evacuate the air in the connecting pipes using a

VACUUM PUMP.

4.Check for gas leaks at connected points.

Flaring

1.Cut the pipe with a pipe cutter.

Be sure to remove burrs that may cause a gas leak.

2.Insert the supplied flare nut into the pipe, and then flare the pipe.

As the flaring sizes of R410A differ from those of refrigerant R22, the flare tools newly manufactured for R410A are recommended.

However, the conventional tools

B

can be used by adjusting the

 

projection margin of the copper

 

pipe.

 

„Tightening of Flare Connections

1.Align the centers of the flare connections and fully tighten the flare nuts with your fingers.

Valve at liquid side

2.Use two wrenches to loosen or tighten the flare nut on the gas service valve as shown in the figure. Use only one wrench to loosen or tighten the flare not on the liquid service valve.

The final tightening with a torque wrench should be to the specifications shown in table below.

Unit : ft•lbs (N•m)

Projection margin in flaring : B (Unit : in (mm)) Rigid (Clutch type)

Outer diameter of

R410A tool

Conventional

used

tool used

copper pipe

 

 

R410A

0.04” - 0.06”

 

 

 

1/4” (6.4)

 

0 - 0.02” (0 - 0.5)

(1.0 - 1.5)

 

1/2” (12.7)

 

 

 

 

 

Flaring diameter size : A (Unit : in (mm))

Outer diameter of copper pipe

A -+00.02" (–0.4)

 

 

 

1/4” (6.4)

0.39” (9.9)

 

 

 

 

 

 

 

 

 

 

1/2” (12.7)

0.65” (16.6)

 

 

 

 

 

 

 

 

 

 

* In case of flaring for R410A with the

 

A

 

conventional flare tool, pull the tool out

 

 

 

 

 

 

 

 

 

approx. 0.02” (0.5 mm) more than that for

 

 

 

 

 

 

 

R22 to adjust it to the specified flare size.

 

 

 

The copper pipe gauge is useful for

 

 

 

adjusting the projection margin size.

 

 

 

Outer diameter of copper pipe

Tightening torque

 

 

1/4” (6.4 mm)

10 - 13 (14 - 18)

 

 

1/2” (12.7 mm)

37 - 46 (50 - 62)

 

 

Valve at gas side

EN

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12-EN

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Contents Installation manual Contents Ø0.26 hole DimensionAccessory Parts „ Piping Field supplied System RequirementsBe sure to ground the equipment Precautions for SafetyEquipment Damage Hazard „ Required Tools/Equipment and Precautions for Use Installation of NEW Refrigerant AIR ConditionerNew Refrigerant Air Conditioner Installation Do not install the outdoor unit in the following location „ Installation LocationExample Unit in mm „Required ClearancesBarrier at rear side Barrier in front Upper side is free Above unit is freeStandard installation „ Installation of Outdoor UnitBarriers in front and back of unit „ For Reference Installation Manual„ Tightening of Flare Connections Refrigerant PipingFlaring Projection margin in flaring B Unit in mm Rigid Clutch typeDo not apply refrigerant oil to the flared surface „ Wiring „ Field wiringElectrical Connections Evacuate and Dehydrate the System Using Vacuum PumpDeep Vacuum Method Triple Evacuation MethodValve handling precautions Open service valvesFinal Tubing Check Liquid and gas sideFinishing 11PERIODIC Maintenance10TEST RUN Procedure 13POWER Save12UNIT Pump Down EH99865301

RAV-SP180AT2-UL specifications

The Toshiba RAV-SP180AT2-UL is an innovative ducted air conditioning unit designed to deliver exceptional cooling and heating capabilities for both residential and commercial applications. Known for its efficiency and performance, this model integrates advanced technology that ensures optimal indoor climate control.

One of the primary features of the RAV-SP180AT2-UL is its energy efficiency. It operates with a high Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER) ratings, allowing it to consume less electricity while providing maximum comfort. This efficiency not only contributes to lowering energy bills but also promotes environmentally friendly practices by reducing carbon emissions.

The air conditioning unit is equipped with Toshiba’s advanced inverter technology. This technology allows for precise temperature control and significant energy savings by continuously adjusting the compressor speed based on the desired temperature. With this capability, the system can operate quietly and maintain a stable climate, avoiding the sharp temperature fluctuations characteristic of traditional fixed-speed units.

Another significant feature of the RAV-SP180AT2-UL is its compact design, making it suitable for installation in various settings, including small apartments and larger commercial spaces. Its ducted system enables seamless air distribution, reducing visible components and maintaining the aesthetic of the interior space.

The unit also incorporates innovative filtration systems that improve indoor air quality. With advanced air purifying filters, it effectively minimizes allergens, dust, and pollutants, ensuring that the air circulated in the space is clean and healthy.

In terms of control, the RAV-SP180AT2-UL is compatible with a range of smart control options. Users can manage settings remotely via applications or programmable timers, allowing for convenience and the possibility of scheduling cooling and heating cycles according to personal routines.

Overall, the Toshiba RAV-SP180AT2-UL combines efficiency, compact design, and advanced technology, making it a strong contender in the ducted air conditioning market. Its ability to provide comfortable air conditioning solutions while being mindful of energy consumption is a testament to Toshiba's commitment to innovation in climate control technology.