FUJIDENZO FIC180G IN, Installation Manual, Page: 23 / 40

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designed on the drainage side of each indoor unit.(Fig. 4.21)
(6). Install one water trap for each unit.
(7). Installation of water trap shall consider easy cleaning in the future.
Fig. 4.21 Fig. 4.22 Fig. 4.23
(8). Connection of drainage branch pipe to the standpipe or horizontal pipe of
drainage main pipe
The horizontal pipe cannot be connected to the vertical pipe at a same height. It
can be connected in a manner as shown below:
NO.1: Attach the 3-way connection of the drainage pipe joint as shown in Fig. 4.24.
NO.2: Attach the drain elbow as shown in Fig. 4.25.
NO.3: Attach the horizontal pipe as shown in Fig. 4.26.
Fig. 4.24 Fig. 4.25 Fig. 4.26
4.5.3 Precautions When Doing Riser Piping Work
(1). Make sure that heat insulation work is executed on the following 2 spots to
prevent any possible water leakage due to dew condensation.
1).
Connect the drain hose to the drain lift pipe, and insulate them.
2).
Connect the drain hose to the drain outlet on the indoor unit, and tighten it
with the clamp.