U-Match Series Service Manual
41
1.1.5 Installation Clearance Data
Figure 3-1-8
Warning: The height of installation for the indoor unit should be 2.5m above.
1.1.6 Drain Piping Work
Installation of Drainage Pipeline:
Install the drain hose in accordance with the instructions in this installation manual and keep the
area warm enough to prevent condensation. Problems with the piping may lead to water leaks.
(1) Install the drain hose with downward gradient (1/50 to 1/100) and no risers or traps are used for
the hose. (Figure 3-1-8)
(2) Be sure there is no crack or leak on the drain hose to avoid the formation of air pocket. (Figure
3-1-8)
(3) When the hose is long, install supporters. (Figure 3-1-9)
(4) Always use the drain hose which has been insulated properly.
Figure 3-1-9
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