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3. Indoor unit piping installation
• Route the piping (liquid and gas) as well as cables through the
wall hole from outside or put them through from inside after in-
door piping and cables connection is complete to connect to the
outdoor unit.
• Select whether to remove the unloading piece off according to
the piping direction (as shown below).
• After connecting the piping, install the drain hose. Then connect
the power cords. After completing the connections, wrap the
piping, cords and drain hose together with thermal insulation
materials.
• Thermal insulation of piping joints. Wrap the piping joints with
thermal insulation materials and then wrap with a vinyl tape.
• Thermal insulation of piping.
a. Place the drain hose under the
piping.
b. Insulation material uses poly-
ethylene foam over 6 mm in thick-
ness.
Note: Drain hose is prepared by
user.