haier AU282AHERA - Manual (Page 11)

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.
Refrigerant Recovery
Equipment Recovery of refrigerant May be used if designed for use with
R410A.
Flare Tool Flare machining of piping Chages have been made in the flare
machining dimension.Refer to the
next page.
Tools/Materials Use Notes
Vacuum Pump with a
Check valve Vacuum drying
Bender Bending pipes
Pipe Cutter Cutting pipes
Torque Wrench Tightening flare nuts Only 12.70 (1/2'') and 15.88(5/8'')
have a larger flare machining
dimension.
Welder and Nitrogen
Cylinder Welding pipes
Refrigerant Charging
Meter Refrigerant charging
Vacuum Gauze Checking vacuum degree
Tools/Materials Use Notes
Charging Cylinder Refrigerant Charging Must not be used with R410-type units.
Maximum Operation Pressure Applicable Refrigerants
3.4MPa R22, R407C
4.15MPa R410A
* Use pipes that meet the local standards.
Read Before Installation
9
2. Tools and materials that may be used with R410 with some restrictions
3. Tools and materials that are used with R22 or R407C that can also be used with
R410A
4. Tool and materials that must not used with R410A
Tools for R410A must be handled with special care; keep moisture and dust from
entering the cycle.
Piping Materials