Haier 1U105S2SS1FA Installation Manual page 15

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
Gauge Manifol
Charging Hose
Refrigerant Recovery
Equipment
Refrigerant Cylinder
Refrigerant Cylinder Charging
Port
Flare Nut
2. Tools and materials that may be used with R410A/R32 with some restrictions
Tools/Materials
Gas leak detector
Vacuum Pump
Flare Tool
Refrigerant Recovery
Equipment
3. Tools and materials that are used with R22 or R407C that can also be used with R410A/R32
Tools/Materials
Vacuum Pump with a Check
Valve
Bender
Torque Wrench
Pipe Cutter
Welder and Nitrogen Cylinder
Refrigerant Charging Meter
Vacuum Gauze
4. Tool and materials that must not used with R410A/R32
Tools/Materials
Charging Cylinder
Tools for R410A/R32 must be handled with special care, and keep moisture and dust from entering the cycle.
Use
Evacuating,refrigerant
charging
Evacuating, refrigerant
charging
Refrigerant recovery
Refrigerant charging
Refrigerant charging
Connecting the unit to piping
Use
Detection of gas leaks
Vacuum drying
Flare machining of piping
Recovery of refrigerant
Use
Vacuum drying
Bending pipes
Tightening flare nuts
Cutting pipes
Welding pipes
Refrigerant charging
Checking vacuum degree
Use
Refrigerant Charging
13
Notes
5.09MPa on the High-pressure side.
Hose diameter larger than the concentional ones.
Write down the refrigerant type. Pink in color at the
top of the cylinder.
Hose diameter larger than the conventional ones.
Use Type-2 Flare nuts.
Notes
The ones for HFC type refrigerant may be used.
May be used if a reverse flow check adaptor is
attached.
Chages have been made in the flare machining
dimension. Refer to the next page.
May be used if designed for use with R410A.
Notes
Only Ø12.70 (1/2'') and Ø15.88(5/8'') have a larger
flare machining dimension.
Notes
Must not be used with R410-type units.