Trane 4TXK6512G1000AA, Service Manual, Page: 118 / 187

Pipe and insulation material
Pipe Rigid PVC pipe VP20 mm (internal diameter)
Foamed PE with thickness above 7mm Insulation
Electrical Wiring
Hose
Drain pipe size:
The hose is used for adjusting the off-center and angle of the tigid PVC pipe .

Directly stretch the hose to install without making any deformation .

The soft end of the hose must be fastened with a hose clamp .

Please apply the hose on horizontal part lnsulation treatment .

Wrap the hose and its clamp up to the indoor unit without any clearance with insulating material, as shown in
the figure.
Unit model The size of drain opening
4MXD6512G1000AA 4MXD6518G1000AA 4MXD6524G1000AA
0
31
4MXD6536G1000AA 4MXD6548G1000AA 4MXD6560G1000AA
0
33
Drain confirmation
During trial run, check that there is no leakage at the pipe connection part during water draining even in winter .
Drainage Test
(1) Conduct a drainage test after completion of the electrical work .
(2) During the trial, make sure that drain flows properly through the piping and that no water leaks from connections.
(3) ln case of a new building, conduct the test before it is furnished with the ceiling .
(4) Be sure to conduct this test even when the unit is installed in the heating season .
Procedures
(a) Supply about 1000 cc of water to the unit through the air outlet using a feed water pump .
(b) Check the drain while cooling operation .
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