DC Inverter Duct Type Unit
18
When the height difference between
the indoor unit and outdoor unit is larger
than 10 meters, an oil bend should be
employed for every 6 meters.
Fig. 4.20
4.5 Installation of the Drain Hose
4.5.1 Installation of Drain Piping
CAUTION!
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. 4.21)
(2). Be sure there is no crack or leak on the drain hose to avoid the formation of
air pocket.(Fig. 4.21)
(3). When the hose is long, install supporters.(Fig. 4.22)
(4). Always use the drain hose which has been insulated properly.
Fig. 4.21
