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• If multiple drain pipes converge, follow the installation steps below.
≥4"
(100 mm)
T-tie in join drain hose
The specification of the drain pipe joint should be suitable to the running capacity of the unit.
TEST OF DRAINAGE SYSTEM
• After the electric installation, please take a test for the drainage system.
• During the test, check if the water flow goes through the pipe correctly and observe carefully the joint
to see if it leaks or not. If this unit is installed in the newly built house, it is suggested to take this test
prior to the ceiling decoration.
Drain hose
Test hole
Immiting water from
the rest hole
Drain vent for repair use
(plasticstopper is included)
(drain the waterin waterspout
by this outlet vent)
≥4 in.
(100 mm)
Immiting water from
the outlet vent terminal
Plastic water pot (The length of
the pipe should be about 4 in. (100 mm)
Test hole cover
• Test again the drainage system under COOL mode after the electrical connection has been done.
PIPING
• Aim the pipe joint at the corresponding bell mouth.
• Pre-tighten the union nut with hand.
• Place the open-end wrench on the pipe joint and
place the torque wrench on the union nut. Tighten
the union nut with torque wrench. Adjust the torque
force by referring to the following table.
pipe joint
union nut
pipe
