Required Tools | Toshiba RAS-B10SKVP-E, RAS-B13SKVP-E specs

3-3. Tools

3-3-1. Required Tools

The service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A is changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing dimensions and opposite side dimension of flare nut (For Ø12.7 copper pipe) of the refrigerant piping are lengthened.

The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types.

1.Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22))

2.Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)

3.Tools commonly used for R410A and for conventional refrigerant (R22)

The table below shows the tools exclusive for R410A and their interchangeability.

Tools exclusive for R410A (The following tools for R410A are required.)

Tools whose specifications are changed for R410A and their interchangeability

			R410A		Conventional air-water
			air-water heat pump installation		heat pump installation
No.	Used tool	Usage
No.	Used tool	Usage	Existence of	Whether conven-	Whether new equipment
			Existence of	Whether conven-	Whether new equipment
			new equipment	tional equipment	can be used with
			for R410A	can be used	conventional refrigerant

1	Flare tool	Pipe flaring	Yes	*(Note 1)	¡

2	Copper pipe gauge for	Flaring by	Yes	*(Note 1)	*(Note 1)
	adjusting projection	Flaring by
	adjusting projection	conventional flare tool
	margin	conventional flare tool
	margin

3	Torque wrench	Connection of flare nut	Yes	×	×
3	(For Ø12.7)	Connection of flare nut	Yes	×	×

4	Gauge manifold	Evacuating, refrigerant	Yes	×	×
		Evacuating, refrigerant
5	Charge hose	charge, run check, etc.
5	Charge hose

6	Vacuum pump adapter	Vacuum evacuating	Yes	×	¡
7	Electronic balance for	Refrigerant charge	Yes	×	¡
7	refrigerant charging	Refrigerant charge	Yes	×	¡

8	Refrigerant cylinder	Refrigerant charge	Yes	×	×
9	Leakage detector	Gas leakage check	Yes	×	¡
10	Charging cylinder	Refrigerant charge	(Note 2)	×	×

(Note 1) When flaring is carried out for R410A using the conventional flare tools, adjustment of projection margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.

(Note 2) Charging cylinder for R410A is being currently developed.

General tools (Conventional tools can be used.)

In addition to the above exclusive tools, the following equipments which serve also for R22 are neces- sary as the general tools.

1.Vacuum pump

Use vacuum pump by attaching vacuum pump adapter.

2.Torque wrench (For Ø6.35, Ø9.52)

3.Pipe cutter

4.	Reamer	9.	Hole core drill (Ø65)
5.	Pipe bender	10.	Hexagon wrench
6.	Level vial		(Opposite side 4mm)
7.	Screwdriver (+, –)	11.	Tape measure
7.	Screwdriver (+, –)
8.	Spanner or Monkey wrench	12.	Metal saw

Also prepare the following equipments for other installation method and run check.

1.	Clamp meter	3.	Insulation resistance tester
2.	Thermometer	4.	Electroscope

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RAS-10SAVP-E, RAS-B10SKVP-E, RAS-B13SKVP-E specifications

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3-3. Tools

3-3-1. Required Tools

Used tool

Usage

General tools (Conventional tools can be used.)

RAS-10SAVP-E, RAS-B10SKVP-E, RAS-B13SKVP-E specifications