Refrigerant Piping, Flaring | Toshiba RAV-SP240AT2-UL specs

Outdoor Unit

Installation Manual

6 REFRIGERANT PIPING

Piping connections are inside the front panel of the unit and the front panel and pipe cover needs to be removed before piping and wiring connections are made.

Piping can enter the outdoor unit from the back, from the side or from the bottom as shown

Front panel

Pipe cover

Rearearward

Pipe cover

SideSideward

DownwardBottom

1.Remove the front panel of the unit.

2.Remove the pipe cover.

3.Remove the appropriate knockout depending on the orientation of the piping.

The pipe cover is easily mounted by cutting off the slit at the lower part of the pipe cover.

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.

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

Outer diameter of	R410A tool	Conventional
Outer diameter of	used	tool used
copper pipe
copper pipe	R410A	0.04” - 0.06”
	R410A

3/8” (9.5)
3/8” (9.5)	0 - 0.02” (0 - 0.5)	(1.0 - 1.5)

5/8” (15.9)
5/8” (15.9)

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

Outer diameter of copper pipe	A -+00.02" (–0.4)
3/8” (9.5)	0.52” (13.2)

5/8” (15.9)	0.78” (19.7)

* In case of flaring for R410A with the		A
conventional flare tool, pull the tool out
conventional flare tool, pull the tool out
approx. 0.02” (0.5 mm) more than that for
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.

* Be sure to wear heavy work gloves while working.

4.Remove the burrs from the knockout opening and use the factory supplied protective edge guard material around the opening to protect the piping and the wiring.

5.Remove the flare nut from the service valve on outdoor unit. Insert the flare nut into the field piping, and flare the pipe.

Bend the pipe approx. 90 degree with a pipe bender for side and rear piping.

	6. When the piping connections are complete re-	EN
	install the pipe cover.	EN
	install the pipe cover.

– 12 –

12-EN

RAV-SP240AT2-UL specifications

The Toshiba RAV-SP240AT2-UL is a state-of-the-art air conditioning unit that showcases Toshiba's commitment to energy efficiency, innovation, and comfort. Designed primarily for commercial use, it stands out as an ideal solution for businesses that require a reliable and effective climate control system.

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