Mitsubishi Electric City Multi PURY-HP-TNU-A Série Manuel D'installation page 23

(2) When routing the pipes through the bottom of the unit
Ⓑ
<A> High-pressure side
<B> Low-pressure side
Refrigerant service valve piping
Ⓐ
Reducer etc.
Ⓑ
Elbow
Ⓒ
On-site piping
Ⓓ
<Reference> Size of refrigerant pipes
High-pressure side
HP72 ø15.88 (ø5/8)
HP96
ø19.05 (ø3/4)
HP120
・When expanding the on-site piping, satisfy the minimum insertion depth requirement as follows.
Pipe size [mm (in)]
ø5 (ø1/4) or more, less than ø8 (ø3/8)
ø8 (ø3/8) or more, less than ø12 (ø1/2)
ø12 (ø1/2) or more, less than ø16 (ø11/16)
ø16 (ø11/16) or more, less than ø25 (ø1)
ø25 (ø1) or more, less than ø35 (ø1-7/16)
ø35 (ø1-7/16) or more, less than ø45 (ø1-13/16)
WT09112X02
<A>
<B>
Ⓓ Ⓒ Ⓐ
On-site piping [mm (in)]
Low-pressure side
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
Minimum insertion depth [mm (in)]
Service valve piping [mm (in)]
High-pressure side Low-pressure side
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)
ø28.58 (ø1-1/8)
6 (1/4)
7 (5/16)
8 (3/8)
10 (7/16)
12 (1/2)
14 (9/16)
GB-21