Simplified Piping System; Piping Connection Size; In Case Of Using 1-Branch Box; In Case Of Using 2-Branch Boxes - Mitsubishi Electric MXZ-8A140VA Technical & Service Manual

3-5. SIMPLIFIED PIPING SYSTEM

Piping connection size

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
A
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
B
Branch box
B B
Branch box #1
B
Installation procedure (2 branch pipe (joint))
Refer to the installation manuals of MSDD-50AR-E and MSDD-50BR-E.
13
B
B B