Mitsubishi Electric PAC-AK50BC Technical & Service Manual page 7

2-3. SIMPLIFIED PIPING SYSTEM
Piping connection size
A
Liquid (mm) 9.52
15.88
Gas (mm)
■ In case of using 1-branch box
Flare connection employed (No brazing)
A
■ In case of using 2-branch boxes
A
OCH508A
The piping connection size differs according to the type and capacity of indoor units.
Match the piping connection size of branch box with indoor unit.
If the piping connection size of branch box does not match the piping connection size of
indoor unit, use optional different-diameter (deformed) joints to the branch box side.
(Connect deformed joint directly to the branch box side.)
Flare connection employed. (No brazing!)
B B
2 branches pipe (joint)
: optional parts
A
A
B B
Branch box #2
■ Installation procedure (2 branch pipe (joint))
Refer to the installation manuals of MSDD-50AR-E and MSDD-50BR-E.
B
Branch box
B B B
Branch box #1
B B
7
B