Drain pipe connection
1. Remove the fixed part to pull out pipe
of indoor machine from the case.
Screw the hexagon nut in the left of
the joint to the end with your hand.
2. Connect the connecting pipe to the
indoor unit: Aim at the pipe center,
tighten the taper nut with fingers, and
then tighten the Taper nut with a torque
wrench, and the direction is shown in
diagram on the right.
The torque used is shown in the
following table.
Tighteningtorquetable
Thesizeofpipe(mm)
Ø 6/ Ø 6.35
Ø 9/ Ø 9.52
Ø 12/ Ø 12.7
Ø 15.88
Ø 19.05
Wrap the piping
1. Use the insulation sleeve to wrap the joint part the indoor unit and the connection
pipe, and then use insulating material to pack and seal insulation pipe, to prevent
generation of condensate water on the joint part.
2. Connect the water outlet with drain pipes, and make the connection pipe, cables,
and the drain hose straight.
3. Use plastic cable ties to wrap the connecting pipes, cables and drain hose. Run the
pipe sloping downward.
Indoor unit pipe
Taper nut Connecting pipe
Spanner
Torque(Nm)
15–25
35–40
45–60
73–78
75–80
Connecting pipe,
drain hose
and cables
Plastic strap
Torque wrench
EN
61