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DC Inverter U-match Series Duct Type Unit
an oil bend should be employed for every 6 meters.
4.5 Installation of the Drain Hose
4.5.1 Installation of Drain Piping
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.(Fig.23)
(2). Be sure there is no crack or leak on the drain hose to avoid the formation of air pocket.
(Fig.23)
(3). When the hose is long, install supporters.(Fig.24)
(4). Always use the drain hose which has been insulated properly.
√
Oil bend
Indoor
Fig.24
Outdoor
Oil bend
CAUTION!
Fig.23
17
×
Fig.25
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