Friedrich FSHSR09A1A Installation And Operation Manual page 18

Installation of outdoor unit
The 18K、24K UNIT drainage hole consists of two Φ25 and two kidney
holes (see the fig.1). The drain plug consists of one Φ25 and two kidney plugs.
(The figures in this manual may be different with the material objects, please refer
to the material objects for reference)
Drain plug
Drain connecter
Hose (available
commercially,
inner dia. 16mm)
drain
drain holes
Fig.1
14
holes
drain holes