Haier 1U105S2SS1FB - 6.1. Necessary Tools and Materials

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6.1. Necessary Tools and Materials
Prepare the following tools and materials necessary for installing and servicing the unit.
Necessary tools for use with R410A/R32(Adaptability of tools that are for use with R22 and R407C).
1. To be used exclusively with R410A/R32 ( Not to be used if used with R22 or R407C )
Tools/Materials Use Notes
Gauge Manifol Evacuating,refrigerant
charging
5.09MPa on the High-pressure side.
Charging Hose Evacuating, refrigerant
charging
Hose diameter larger than the concentional ones.
Refrigerant Recovery
Equipment
Refrigerant recovery
Refrigerant Cylinder Refrigerant charging Write down the refrigerant type. Pink in color at the
top of the cylinder.
Refrigerant Cylinder Charging
Port
Refrigerant charging Hose diameter larger than the conventional ones.
Flare Nut Connecting the unit to piping Use Type-2 Flare nuts.
2.
Tools and materials that may be used with R410A/R32 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 ow check adaptor is
attached.
Flare Tool Flare machining of piping Chages have been made in the are 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/R32
Tools/Materials Use Notes
Vacuum Pump with a Check
Valve
Vacuum drying
Bender Bending pipes
Torque Wrench Tightening are nuts Only Ø12.70 (1/2'') and Ø15.88(5/8'') have a larger
are machining dimension.
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/R32
Tools/Materials Use Notes
Charging Cylinder Refrigerant Charging Must not be used with R410A-type units.
Tools for R410A/R32 must be handled with special care, and keep moisture and dust from entering the cycle.