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Idiomas disponibles
Idiomas disponibles
INSTALLATION INSTRUCTIONS
Pipe Length and Height Difference
Please refer to the attached manual of outdoor units.
Tubing Size (mm)
Tubing Material
Tubing Material and Specifications
Special tools designed for R410A should be used for cutting and flaring pipes.
Refrigerant Recharge Amount
Add refrigerant according to the installation instructions for the outdoor unit. The addition of R410A refrigerant must be
performed with a digital scale to ensure proper quantities. Compressor failure can be caused by over or under charging
the system.
Connection Procedures of Refrigerant
Connect all the refrigerant tubes via flare connections.
• Dual wrenches must be used in the connection of indoor unit tubing.
• For tightening torque refer to the right table.
Wrench
Cutting and Enlarging
• Cut the tube to the needed length.
• Ream the cut to remove shoulder. Do this with the tube facing down to help fillings fall out.
• Add supplied flare nut to tube.
• Use R410a flare tool to create flares.
16
Model
Gas Pipe
Liquid Pipe
Seamless copper pipe rated for R410A refrigerant
Out Diameter of Tubing
in(mm)
Ø1/2"(Ø12.7)
MVAH072ME2AA/MVAH096ME2AA
Ø22.22
Ø12.7
Mounting Torque
Flare Torque Spec
lb-in(N-m)
ft-lb (N-m)
443.7(49.0)
43 (59)
31-5000553 Rev. 1
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