10-2-3. Installation/Servicing Tools

Changes in the product and components

In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch)

•In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size of opposite side of flare nuts has been changed. (for copper pipes with nominal dimensions 1/2 and 5/8)

New tools for R410A

New tools for R410A

Applicable to R22 model

Changes

 

 

 

 

 

×

 

As pressure is high, it is impossible to measure by means of

Gauge manifold

 

conventional gauge. In order to prevent any other refrigerant from

 

 

 

 

 

being charged, each port diameter has been changed.

 

 

 

 

 

×

 

In order to increase pressure resisting strength, hose materials

Charge hose

 

and port size have been changed (to 1/2 UNF 20 threads per inch).

 

 

 

 

 

When purchasing a charge hose, be sure to confirm the port size.

 

 

 

 

Electronic balance

¡

 

As pressure is high and gasification speed is fast, it is difficult to

 

read the indicated value by means of charging cylinder, as air

for refrigerant charging

 

 

bubbles occur.

 

 

 

 

 

 

 

Torque wrench

×

 

The size of opposite sides of flare nuts have been increased.

 

Incidentally,

(nominal diam. 1/2, 5/8)

 

 

a common wrench is used for nominal diameters 1/4 and 3/8.

 

 

 

 

 

 

 

Flare tool (clutch type)

¡

 

By increasing the clamp bar’s receiving hole, strength of spring in

 

the tool has been improved.

 

 

 

 

Gauge for projection

—

—

Used when flare is made by using conventional flare tool.

adjustment

 

 

 

 

 

 

 

 

 

 

Connected to conventional vacuum pump. It is necessary to use

 

 

 

an adapter to prevent vacuum pump oil from flowing back to the

Vacuum pump adapter

¡

 

charge hose. The charge hose connecting part has two ports-one

 

for conventional refrigerant (7/16 UNF 20 threads per inch) and

 

 

 

one for R410A. If the vacuum pump oil (mineral) mixes with R410A

 

 

 

a sludge may occur and damage the equipment.

 

 

 

 

Gas leakage detector

×

 

Exclusive for HFC refrigerant.

 

 

 

 

 

 

•Incidentally, the “refrigerant cylinder” comes with the refrigerant designation (R410A) and protector coating in the U. S’s ARI specified rose color (ARI color code: PMS 507).

•Also, the “charge port and packing for refrigerant cylinder” require 1/2 UNF 20 threads per inch corresponding to the charge hose’s port size.

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Toshiba RAS-B13GKVP-E Installation/Servicing Tools, Changes in the product and components, New tools for R410A
Page 48 Page 50

RAS-10GAVP-E, RAS-16GAVP-E, RAS-13GAVP-E, RAS-B10GKVP-E, RAS-B13GKVP-E specifications

Toshiba has long been a renowned name in the world of air conditioning, delivering reliable and energy-efficient solutions that meet the demands of modern living. Among their innovative product line, the Toshiba RAS-B13GKVP-E, RAS-10GAVP-E, RAS-B10GKVP-E, RAS-16GKVP-E, and RAS-13GAVP-E stand out for their advanced features and cutting-edge technologies.

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