Mitsubishi Electric CITY MULTI PUHY-P72TNU-A-B Manuel D'installation page 35

<Reference> Size of refrigerant pipes
(E)P72 *1
*2
(E)P96
*2 *4
*2
(E)P120
*1 *3 *5
(E)P144
(E)P168
*1
EP192
EP216
EP240
*1 Expand the on-site piping and connect to the refrigerant service valve piping.
*2 Use the pipe joint (not supplied) and connect to the refrigerant service valve piping.
*3 When the unit is used in combination with other outdoor units
*4 When the piping length from the outdoor unit to the farthest indoor unit is 90 m (295 ft) or more
*5 When the piping length from the outdoor unit to the farthest indoor unit is 40 m (131 ft) or more
・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)
WT09452X01
Refrigerant piping
Liquid
ø9.52 (ø3/8)
Brazed
ø9.52 (ø3/8)
*2
Brazed
ø12.7 (ø1/2)
Brazed
ø9.52 (ø3/8)
Brazed
ø12.7 (ø1/2)
Brazed
ø12.7 (ø1/2)
*1
Brazed
ø15.88 (ø5/8)
Brazed
Minimum insertion depth [mm (in)]
Gas Liquid
ø9.52 (ø3/8)
ø22.2 (ø7/8)
Brazed
ø12.7 (ø1/2)
ø28.58 (ø1-1/8)
Brazed
ø15.88 (ø5/8)
6 (1/4)
7 (5/16)
8 (3/8)
10 (7/16)
12 (1/2)
14 (9/16)
GB-33
[Unit: mm (in)]
Service valve piping
Gas
ø22.2 (ø7/8)
ø28.58 (ø1-1/8)