DC Inverter U-match Series Duct Type Unit
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The vertical height of the drain hose should be 75mm (3inch) or less so that it is
unnecessary for the drain port to withstand additional force.
Fig. 4.29
When multiple drain hoses are used, their installation should be performed as
shown in the figure below.
Fig. 4.30
4.5.2 Testing of Drain Piping
After piping work is finished, check if drainage flows smoothly.
As shown in the figure, add approximately 1 liter of water slowly into the drain pan
and check drainage flow during COOL running.
Fig. 4.31
