3 Piping work and refrigerant charge
Refrigerant and drain hose installation
SMGB0099 rev.0 - 12/2016
124
Connect a trap to the drain hose at the angle indicated, as indicated in the gure.
> 75 mm
4% (1/25) - 1% (1/100)
Cap
? NOTE
If the relative humidity of the inlet air or the ambient air exceeds 80% in the place where the unit is installed, t an auxiliary drain pan (eld-
supplied) below the indoor unit, as indicated in the gure.
Indoor unit
Auxiliary drain pan
(field-supplied)
Indoor unit
Auxiliary drain pan
(eld-supplied)
Drainage installation for (-DU) units
Optional drainage kit (for units without drain pump)
For special cases those installation design nally requires draining up (and was not desgined from the beginning of the
installation project), it is available the optional drain kit.
Drain pump
Screw (2 units)
Drain hose
Rubber plug
Drain pump wire
Optional drain up mechanism kit
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