40
Connection of Indoor and Outdoor Unit
Ceiling
Manhole
G. After completing the welding, use the strap to bundle the control wires along the pipeline.
H. After airtight test of the system, the mode exchanger must be thermally insulated. There shall be no
copper tube exposed; otherwise, condensing and dripping might be caused.
Thermal Insulation
Materials
Copper Pipe
No clearanceNo clearance
● Connection of Outlet Pipe with Indoor & Outdoor Unit
See the below for the torque required to tighten the nuts.☆
Align the☆ expansion end of copper pipe with the center
of threaded joint. Tighten the flaring nuts with your hands.
Tighten the flaring nuts with torque wrench until you hear a “click”.☆
Bend of fitting pipe shall not be too low; ☆ or the fitting pipe might
crack. Please use pipe bender when bending the fitting pipe.
☆ Use sponge to wrap the connecting pipe and joints without heat
preservation. Tie with plastic tapes.
Fitting Pipe for
Indoor Unit
Flaring Nuts
Fitting Pipe
Fixing hanger rod
must be added.
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