2 . Tools and materials that may be used with R410 with some restrictions
Tools/Materials Use Notes
Gas leak detector Detection of gas leaks The ones for HFC type refrigerant may be used.
Vacuum Pump Vacuum drying May be used if a reverse flow check adaptor is attached.
Flare Tool Flare machining of piping
Chages have been made in the flare machining
dimension.Refer to the next page.
Refrigerant Recovery
Equipment
Recovery of refrigerant May be used if designed for use with R410A.
3 . Tools and materials that are used with R22 or R407C that can also be used with R410A
Tools/Materials Use Notes
Vacuum Pump with a
Check Valve
Vacuum drying
Bender Bending pipes
Only #2.70 (1/2”) and # 15.88(5/8”) have a larger flare
machining dimension.
Torque Wrench Tightening flare nuts
Pipe Cutter Cutting pipes
Welder and Nitrogen
Cylinder
Welding pipes
Refrigerant Charging
Meter
Refrigerant charging
Vacuum Gauze Checking vacuum degree
4 . Tool and materials that must not used with R410A
Tools/Materials Use Notes
Charging Cylinder Refrigerant Charging Must not be used with R410-type units.
Tools for R410A must be handled with special care, and keep moisture and dust from entering the cycle .
Piping Materials
Types of Copper Pipes (Reference)
Maximum Operation Pressure Applicable Refrigerants
3.4MPa R22, R407C
4.15MPa R410A
Use pipes that meet the local standards .
105
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