TCL TCC-09C2HRH/DV, Руководство по обслуживанию, Страница: 38 / 75

TCL Air Conditioner Service Manual
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2.6.2.2 If the Outdoor Unit Is Installed Higher than the Indoor Unit:
It is recommended that vertical suction risers not be upsized. Proper oil return to the compressor
shouId be maintained with suction gas velocity. If velocities drop below 7.62m/s(1 500fpm (feet per
minute)), oil return will be decreased.
An oil trap should be installed every 6m(20ft) of vertical suction line riser.
2.6.3 The Procedure of Connecting Pipes
2.6.3.1 Choose the Pipe Size according to the Specification Table.
2.6.3.2 Confirm the Cross Way of the Pipes.
2.6.3.3 Measure the Necessary Pipe Length.
2.6.3.4 Cut the Selected Pipe with Pipe Cutter

Make the section flat and smooth.
90
Lean Crude Burr
o
2.6.3.5 Insulate the Copper Pipe

Before test operation, the joint parts should not be heat insulated.
2.6.3.6 Flare the Pipe

Insert a flare nut into the pipe before flaring the pipe