Samsung CNH HDB Series Technical Data Book page 71

2. Dimensional D awing
Outdoor Units
CXC24SCB (AC024BXSCCC/AA)
No.
1
2
3
Name
Refrigerant liquid pipe
Refrigerant gas pipe
Drain hole
Units : mm [inches]
Description
Φ 6.35mm(1/4")
Φ 15.88mm(5/8")
Connect with provided drain plug