Mitsubishi Electric City Multi PURY-P72TKMU-U Manuel D'installation page 17

<Refrigerant piping connection examples>
[Fig.10.2.2]
<Front pipe routing>
When not attaching a low-pressure twinning pipe
<A>
<B>
A
B
C
D
E
F
<Bottom pipe routing>
When not attaching a low-pressure twinning pipe
<A>
<B>
A
D
E
F
<A> Low-pressure side
A Refrigerant service valve piping
C Elbow
F On-site piping (high-pressure connecting pipe)
H On-site piping (low-pressure connecting pipe: to BC controller)
I On-site piping (low-pressure connecting pipe: to outdoor unit)
*1 For the attachment of the Twinning pipe (sold separately), refer to the instructions included in the kit.
*2 Connection pipe is not used when the Twinning Kit is attached.
Model Refrigerant pipe
High-pressure
P72 ø15.88 [5/8] Brazed *2 ø19.05 [3/4] Brazed *2
P96 ø19.05 [3/4] Brazed *2 ø22.2 [7/8] Brazed *2
P120 ø19.05 [3/4] Brazed *2
ø28.58 [1-1/8] Brazed *1
P144 ø22.2 [7/8] Brazed *2
*1 Expand the on-site piping and connect to the refrigerant service valve piping.
*2 Use the pipe joint (field supply) and connect to the refrigerant service valve piping.
<B> High-pressure side
B On-site piping (Adjust the pipe's position to the knockout hole.)
D Reducer etc.
G Twinning Kit (sold separately)
Diameter
Service valve
Low-pressure High-pressure
ø25.4 [1]
When attaching a low-pressure twinning pipe *1,*2
When attaching a low-pressure twinning pipe *1,*2
E On-site piping (low-pressure connecting pipe)
(Unit: mm [in])
Low-pressure
ø25.4 [1]
ø28.58 [1-1/8]
<A>
<B>
G
H
I
F
<A>
<B>
G
I
H
F
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