Daikin R32 Series Installer's Reference Manual page 37

3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1B – 2020.05
1 2
Reducer type
1
2
3
4
5
6
Connection examples:
▪ Connecting a Ø12.7 mm pipe to a Ø15.9 mm gas pipe connection port
a b
a Outdoor unit connection port
b Reducer no. 1
c Reducer no. 3
d Flare nut for Ø15.9 mm
e Inter-unit piping
▪ Connecting a Ø9.5 mm pipe to a Ø15.9 mm gas pipe connection port
a b
a Outdoor unit connection port
b Reducer no. 6
c Reducer no. 5
d Flare nut for Ø9.5 mm
e Inter-unit piping
▪ Connecting a Ø9.5 mm pipe to a Ø12.7 mm gas pipe connection port
a b
a Outdoor unit connection port
b Reducer no. 2
c Reducer no. 4
d Flare nut for Ø12.7 mm
e Inter-unit piping
Coat the threaded connection port of the outdoor unit where the flare nut comes
in with refrigeration oil.
Flare nut for (mm)
Ø9.5
Ø12.7
Ø15.9
3 4 5
Connection
Ø15.9 mm → Ø12.7 mm
Ø12.7 mm → Ø9.5 mm
Ø15.9 mm → Ø12.7 mm
Ø12.7 mm → Ø9.5 mm
Ø15.9 mm → Ø9.5 mm
Ø15.9 mm → Ø9.5 mm
c d
c d
c d
Tightening torque (N•m)
6 Installation
|
6
e
e
e
33~39
50~60
62~75
Installer reference guide
37