Haier AU282AHERA User Manual - Page 11

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