Service manual
Functional Diagrams ESIEN05-04
1–58 Part 1 – System Outline
3
11
4
5
3.3 Pipe Connection Diameters
Indoor units The table below contains the refrigerant pipe connection diameters.
Model ∅ Gas pipe (flare) ∅ Liquid pipe (flare)
FCQ35B 9.5 mm 6.4 mm
FCQ50, 60B 12.7 mm 6.4 mm
FCQ71, 100, 125B 15.9 mm 9.5 mm
FCQ71, 100, 125D 15.9 mm 9.5 mm
FFQ25, 35B 9.5 mm 6.4 mm
FFQ50, 60B 12.7 mm 6.4 mm
FBQ35B 9.5 mm 6.4 mm
FBQ50, 60B 12.7 mm 6.4 mm
FBQ71, 100, 125B 15.9 mm 9.5 mm
FDQ125B 15.9 mm 9.5 mm
FDQ200B 28.6 mm 12.7 mm
FDQ250B 28.6 mm 15.9 mm
FHQ35B 9.5 mm 6.4 mm
FHQ50, 60B 12.7 mm 6.4 mm
FHQ71, 100, 125B 15.9 mm 9.5 mm
FUQ71, 100, 125B 15.9 mm 9.5 mm
FAQ71, 100B 15.9 mm 9.5 mm
FDEQ71, 100, 125B 15.9 mm 9.5 mm