Haier AD90S2SM3FA Manuel D'installation page 24

Installation Procedure
Drain Piping
Good piping
For unit without water pump
Unit model
AD90S2SM3FA AD90S2SM4FA
AD105S2SM3FA AD105S2SM4FA
AD125S2SM3FA AD125S2SM4FA
AD140S2SM3FA AD140S2SM4FA
18
Improper piping
The size of drain opening
For unit with water pump
Drain Pipe
25mm